fix: replace in file 16KB size

* fix(ios): link OpenVPNAdapter statically

* chore(conan): simplify openvpnadapter merge process and make everything via XCrun

---------

Co-authored-by: Yaroslav Gurov <ygurov@proton.me>

.github/workflows/deploy.yml

@@ -18,11 +18,14 @@ jobs:
       - uses: dorny/paths-filter@v3
         id: filter
         with:
-          base: ${{ github.event.before }}
           filters: |
             recipes:
               - 'recipes/**'
               - 'conanfile.py'
+              - '.github/workflows/deploy.yml'
+              - 'cmake/conan_provider.cmake'
+              - 'cmake/platform_settings.cmake'
+              - 'cmake/recipes_bootstrap.cmake'
 
   Bake-Prebuilts-Linux:
     runs-on: ubuntu-latest
@@ -40,7 +43,7 @@ jobs:
         python-version: 3.14
 
     - name: 'Install conan'
-      run: pip install "conan==2.26.2"
+      run: pip install "conan==2.28.0"
 
     - name: 'Build dependencies'
       shell: bash
@@ -50,9 +53,11 @@ jobs:
         done
 
     - name: 'Authorize in remote'
+      if: github.ref == 'refs/heads/dev'
       run: conan remote login amnezia "${{ secrets.CONAN_USER }}" -p "${{ secrets.CONAN_PASSWORD }}"
 
     - name: 'Upload baked prebuilts'
+      if: github.ref == 'refs/heads/dev'
       run: conan upload -r amnezia "*" -c
 
 # ------------------------------------------------------
@@ -98,7 +103,7 @@ jobs:
         python-version: 3.14
       
     - name: 'Install conan'
-      run: pip install "conan==2.26.2"
+      run: pip install "conan==2.28.0"
 
     - name: 'Install system packages'
       run: sudo apt-get install libxkbcommon-x11-0 libsecret-1-dev
@@ -118,7 +123,7 @@ jobs:
     - name: 'Upload installer artifact'
       uses: actions/upload-artifact@v7
       with:
-        path: deploy/build/AmneziaVPN-*-Linux.run
+        path: deploy/build/AmneziaVPN_*_linux_x64.run
         archive: false
         retention-days: 7
 
@@ -149,15 +154,17 @@ jobs:
     - uses: ilammy/msvc-dev-cmd@v1
 
     - name: 'Install conan'
-      run: pip install "conan==2.26.2"
+      run: pip install "conan==2.28.0"
 
     - name: 'Build dependencies'
       run: cmake -S . -B build -G "Visual Studio 17 2022" -DPREBUILTS_ONLY=1
     
     - name: 'Authorize in remote'
+      if: github.ref == 'refs/heads/dev'
       run: conan remote login amnezia "${{ secrets.CONAN_USER }}" -p "${{ secrets.CONAN_PASSWORD }}"
 
     - name: 'Upload baked prebuilts'
+      if: github.ref == 'refs/heads/dev'
       run: conan upload -r amnezia "*" -c
 
 # ------------------------------------------------------
@@ -229,7 +236,7 @@ jobs:
         python-version: 3.14
 
     - name: 'Install conan'
-      run: pip install "conan==2.26.2"
+      run: pip install "conan==2.28.0"
 
     - name: 'Build project'
       shell: cmd
@@ -242,27 +249,31 @@ jobs:
     - name: 'Upload WIX installer artifact'
       uses: actions/upload-artifact@v7
       with:
-        path: deploy/build/AmneziaVPN-*-win64.msi
+        path: deploy/build/AmneziaVPN_*_windows_x64.msi
         archive: false
         retention-days: 7
       
     - name: 'Upload IFW installer artifact'
       uses: actions/upload-artifact@v7
       with:
-        path: deploy/build/AmneziaVPN-*-win64.exe
+        path: deploy/build/AmneziaVPN_*_windows_x64.exe
         archive: false
         retention-days: 7
 
 # ------------------------------------------------------
 
   Bake-Prebuilts-iOS:
-    runs-on: macos-latest
     needs: Detect-Changes
     if: needs.Detect-Changes.outputs.recipes_changed == 'true'
 
     strategy:
       matrix:
-        xcode-version: [26.0]
+        xcode-version: [26.0, 26.4]
+        include:
+          - xcode-version: 26.4
+            os: macos-26
+
+    runs-on: ${{ matrix.os || 'macos-latest' }}
 
     steps:
     - uses: actions/checkout@v4
@@ -279,15 +290,17 @@ jobs:
         xcode-version: ${{ matrix.xcode-version }}
 
     - name: 'Install conan'
-      run: pip install "conan==2.26.2"
+      run: pip install "conan==2.28.0"
 
     - name: 'Build dependencies'
       run: cmake -S . -B build -G Xcode -DPREBUILTS_ONLY=1 -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphoneos
     
     - name: 'Authorize in remote'
+      if: github.ref == 'refs/heads/dev'
       run: conan remote login amnezia "${{ secrets.CONAN_USER }}" -p "${{ secrets.CONAN_PASSWORD }}"
 
     - name: 'Upload baked prebuilts'
+      if: github.ref == 'refs/heads/dev'
       run: conan upload -r amnezia "*" -c
 
 # ------------------------------------------------------
@@ -344,7 +357,7 @@ jobs:
     - name: 'Setup xcode'
       uses: maxim-lobanov/setup-xcode@v1
       with:
-        xcode-version: '26.1'
+        xcode-version: '26.0'
 
     - name: 'Install desktop Qt'
       uses: jurplel/install-qt-action@v3
@@ -376,7 +389,7 @@ jobs:
         python-version: 3.14
 
     - name: 'Install deps'
-      run: pip install "conan==2.26.2" jsonschema jinja2
+      run: pip install "conan==2.28.0" jsonschema jinja2
 
     - name: 'Build project'
       env:
@@ -394,14 +407,17 @@ jobs:
 # ------------------------------------------------------
 
   Bake-Prebuilts-MacOS:
-    runs-on: macos-latest
-
     needs: Detect-Changes
     if: needs.Detect-Changes.outputs.recipes_changed == 'true'
 
     strategy:
       matrix:
-        xcode-version: [16.2, 16.4]
+        xcode-version: [16.2, 16.4, 26.4]
+        include:
+          - xcode-version: 26.4
+            os: macos-26
+
+    runs-on: ${{ matrix.os || 'macos-latest' }}
 
     steps:
     - uses: actions/checkout@v4
@@ -418,15 +434,17 @@ jobs:
         xcode-version: ${{ matrix.xcode-version }}
 
     - name: 'Install conan'
-      run: pip install "conan==2.26.2"
+      run: pip install "conan==2.28.0"
 
     - name: 'Build dependencies'
       run: cmake -S . -B build -G Xcode -DPREBUILTS_ONLY=1
     
     - name: 'Authorize in remote'
+      if: github.ref == 'refs/heads/dev'
       run: conan remote login amnezia "${{ secrets.CONAN_USER }}" -p "${{ secrets.CONAN_PASSWORD }}"
 
     - name: 'Upload baked prebuilts'
+      if: github.ref == 'refs/heads/dev'
       run: conan upload -r amnezia "*" -c
 
 # ------------------------------------------------------
@@ -502,7 +520,7 @@ jobs:
         python-version: 3.14
 
     - name: 'Install conan'
-      run: pip install "conan==2.26.2"
+      run: pip install "conan==2.28.0"
 
     - name: 'Build project'
       env:
@@ -518,20 +536,24 @@ jobs:
     - name: 'Upload installer artifact'
       uses: actions/upload-artifact@v7
       with:
-        path: deploy/build/AmneziaVPN-*-Darwin.pkg
+        path: deploy/build/AmneziaVPN_*_macos_x64.pkg
         archive: false
         retention-days: 7
 
 # ------------------------------------------------------
 
   Bake-Prebuilts-MacOS-NE:
-    runs-on: macos-latest
     needs: Detect-Changes
     if: needs.Detect-Changes.outputs.recipes_changed == 'true'
 
     strategy:
       matrix:
-        xcode-version: [16.2, 16.4]
+        xcode-version: [16.2, 16.4, 26.4]
+        include:
+          - xcode-version: 26.4
+            os: macos-26
+
+    runs-on: ${{ matrix.os || 'macos-latest' }}
 
     steps:
     - uses: actions/checkout@v4
@@ -548,15 +570,17 @@ jobs:
         xcode-version: ${{ matrix.xcode-version }}
 
     - name: 'Install conan'
-      run: pip install "conan==2.26.2"
+      run: pip install "conan==2.28.0"
 
     - name: 'Build dependencies'
       run: cmake -S . -B build -G Xcode -DPREBUILTS_ONLY=1 -DMACOS_NE=TRUE
     
     - name: 'Authorize in remote'
+      if: github.ref == 'refs/heads/dev'
       run: conan remote login amnezia "${{ secrets.CONAN_USER }}" -p "${{ secrets.CONAN_PASSWORD }}"
 
     - name: 'Upload baked prebuilts'
+      if: github.ref == 'refs/heads/dev'
       run: conan upload -r amnezia "*" -c
 
 # ------------------------------------------------------
@@ -635,7 +659,7 @@ jobs:
         python-version: 3.14
 
     - name: 'Install conan'
-      run: pip install "conan==2.26.2"
+      run: pip install "conan==2.28.0"
 
     - name: 'Build project'
       run: |
@@ -671,7 +695,7 @@ jobs:
         python-version: 3.14
 
     - name: 'Install conan'
-      run: pip install "conan==2.26.2"
+      run: pip install "conan==2.28.0"
 
     - name: 'Setup Android SDK'
       uses: android-actions/setup-android@v4
@@ -696,9 +720,11 @@ jobs:
         done
 
     - name: 'Authorize in remote'
+      if: github.ref == 'refs/heads/dev'
       run: conan remote login amnezia "${{ secrets.CONAN_USER }}" -p "${{ secrets.CONAN_PASSWORD }}"
 
     - name: 'Upload baked prebuilts'
+      if: github.ref == 'refs/heads/dev'
       run: conan upload -r amnezia "*" -c
 
 # ------------------------------------------------------
@@ -712,7 +738,7 @@ jobs:
     env:
       ANDROID_PLATFORM: android-28
       NDK_VERSION: 27.0.11718014
-      QT_VERSION: 6.10.1
+      QT_VERSION: 6.10.3
       QT_MODULES: 'qtremoteobjects qt5compat qtimageformats qtshadertools'
       PROD_AGW_PUBLIC_KEY: ${{ secrets.PROD_AGW_PUBLIC_KEY }}
       PROD_S3_ENDPOINT: ${{ secrets.PROD_S3_ENDPOINT }}
@@ -806,7 +832,7 @@ jobs:
         python-version: 3.14
 
     - name: 'Install conan'
-      run: pip install "conan==2.26.2"
+      run: pip install "conan==2.28.0"
 
     - name: 'Decode keystore secret to file'
       env:
@@ -828,13 +854,41 @@ jobs:
         VERSION=$(grep CMAKE_PROJECT_VERSION:STATIC deploy/build/CMakeCache.txt | cut -d= -f2)
 
         (cd deploy/build/client/android-build && mv AmneziaVPN.apk AmneziaVPN_${VERSION}_android9+_universal.apk)
-        (cd deploy/build/client/android-build/build/outputs/bundle/release && mv android-build-release.aab AmneziaVPN_${VERSION}.aab)
+        (cd deploy/build/client/android-build/build/outputs/bundle/release && mv android-build-release.aab AmneziaVPN_${VERSION}_oss.aab)
 
         for abi in arm64-v8a armeabi-v7a x86 x86_64; do
           deploy/build.sh -t android --sign --abi ${abi} --build ./deploy/build/${abi}
           (cd deploy/build/${abi}/client/android-build && mv AmneziaVPN.apk AmneziaVPN_${VERSION}_android9+_${abi}.apk)
         done
 
+    - name: 'Build Play AAB'
+      env:
+        QT_INSTALL_DIR: ${{ runner.temp }}
+        QT_ANDROID_KEYSTORE_PATH: ${{ github.workspace }}/android.keystore
+        QT_ANDROID_KEYSTORE_ALIAS: ${{ secrets.ANDROID_RELEASE_KEYSTORE_KEY_ALIAS }}
+        QT_ANDROID_KEYSTORE_STORE_PASS: ${{ secrets.ANDROID_RELEASE_KEYSTORE_KEY_PASS }}
+      shell: bash
+      run: |
+        VERSION=$(grep CMAKE_PROJECT_VERSION:STATIC deploy/build/CMakeCache.txt | cut -d= -f2)
+
+        deploy/build.sh -t android --sign --aab --play --build ./deploy/build/play
+
+        (cd deploy/build/play/client/android-build/build/outputs/bundle/playRelease && mv *.aab AmneziaVPN_${VERSION}_play.aab)
+
+    - name: 'Build Play APK'
+      env:
+        QT_INSTALL_DIR: ${{ runner.temp }}
+        QT_ANDROID_KEYSTORE_PATH: ${{ github.workspace }}/android.keystore
+        QT_ANDROID_KEYSTORE_ALIAS: ${{ secrets.ANDROID_RELEASE_KEYSTORE_KEY_ALIAS }}
+        QT_ANDROID_KEYSTORE_STORE_PASS: ${{ secrets.ANDROID_RELEASE_KEYSTORE_KEY_PASS }}
+      shell: bash
+      run: |
+        VERSION=$(grep CMAKE_PROJECT_VERSION:STATIC deploy/build/CMakeCache.txt | cut -d= -f2)
+
+        deploy/build.sh -t android --sign --apk --play --abi arm64-v8a --build ./deploy/build/play-apk
+
+        (cd deploy/build/play-apk/client/android-build/build/outputs/apk/play/release && mv *.apk AmneziaVPN_${VERSION}_play.apk)
+
     - name: 'Upload universal APK'
       uses: actions/upload-artifact@v7
       with:
@@ -842,13 +896,27 @@ jobs:
         archive: false
         retention-days: 7
 
-    - name: 'Upload AAB'
+    - name: 'Upload OSS AAB'
       uses: actions/upload-artifact@v7
       with:
         path: deploy/build/client/android-build/build/outputs/bundle/release/*.aab
         archive: false
         retention-days: 7
 
+    - name: 'Upload Play AAB'
+      uses: actions/upload-artifact@v7
+      with:
+        path: deploy/build/play/client/android-build/build/outputs/bundle/playRelease/*.aab
+        archive: false
+        retention-days: 7
+
+    - name: 'Upload Play APK'
+      uses: actions/upload-artifact@v7
+      with:
+        path: deploy/build/play-apk/client/android-build/build/outputs/apk/play/release/*.apk
+        archive: false
+        retention-days: 7
+
     - name: 'Upload arm64-v8a APK'
       uses: actions/upload-artifact@v7
       with:
@@ -894,3 +962,4 @@ jobs:
         run: | 
           echo "Pull request:" >> $GITHUB_STEP_SUMMARY
           echo "[[#${{ fromJSON(steps.pull_request.outputs.data)[0].number }}] ${{ fromJSON(steps.pull_request.outputs.data)[0].title }}](${{ fromJSON(steps.pull_request.outputs.data)[0].html_url }})" >> $GITHUB_STEP_SUMMARY
+

CMakeLists.txt

@@ -4,7 +4,7 @@ set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 set(PROJECT AmneziaVPN)
-set(AMNEZIAVPN_VERSION 4.8.15.4)
+set(AMNEZIAVPN_VERSION 4.8.16.2)
 
 set(QT_CREATOR_SKIP_PACKAGE_MANAGER_SETUP ON CACHE BOOL "" FORCE)
 set(CMAKE_PROJECT_TOP_LEVEL_INCLUDES
@@ -18,9 +18,9 @@ project(${PROJECT} VERSION ${AMNEZIAVPN_VERSION}
         HOMEPAGE_URL "https://amnezia.org/"
 )
 
+# trigger conan to kick off `conan install` globally
+find_package(OpenSSL REQUIRED)
 if (PREBUILTS_ONLY)
-    # trigger conan to kick off `conan install`
-    find_package(OpenSSL REQUIRED)
     return()
 endif()
 
@@ -28,7 +28,7 @@ string(TIMESTAMP CURRENT_DATE "%Y-%m-%d")
 set(RELEASE_DATE "${CURRENT_DATE}")
 
 set(APP_MAJOR_VERSION ${CMAKE_PROJECT_VERSION_MAJOR}.${CMAKE_PROJECT_VERSION_MINOR}.${CMAKE_PROJECT_VERSION_PATCH})
-set(APP_ANDROID_VERSION_CODE 2120)
+set(APP_ANDROID_VERSION_CODE 2123)
 
 if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
     set(MZ_PLATFORM_NAME "linux")

client/CMakeLists.txt

@@ -193,10 +193,6 @@ elseif(APPLE)
     include(cmake/macos.cmake)
 endif()
 
-if(NOT IOS AND NOT ANDROID AND NOT MACOS_NE)
-    add_subdirectory(tests)
-endif()
-
 list(APPEND SOURCES ${CMAKE_CURRENT_LIST_DIR}/main.cpp)
 
 target_link_libraries(${PROJECT} PRIVATE ${LIBS})
@@ -216,11 +212,32 @@ endif()
 
 install(TARGETS ${PROJECT}
     DESTINATION ${CMAKE_INSTALL_BINDIR}
+    RUNTIME_DEPENDENCY_SET client_deps
     COMPONENT AmneziaVPN
 )
-install(FILES $<TARGET_RUNTIME_DLLS:${PROJECT}>
-    DESTINATION ${CMAKE_INSTALL_BINDIR}
+
+if(APPLE)
+    set(RUNTIME_DEPS_DIR ${CMAKE_INSTALL_BINDIR}/AmneziaVPN.app/Contents/Frameworks)
+else()
+    set(RUNTIME_DEPS_DIR ${CMAKE_INSTALL_BINDIR})
+endif()
+
+install(RUNTIME_DEPENDENCY_SET client_deps
+    PRE_EXCLUDE_REGEXES
+        [[api-ms-win-.*]]
+        [[ext-ms-.*]]
+        [[kernel32\.dll]]
+        [[hvsifiletrust\.dll]]
+        [[libc\.so\..*]] [[libgcc_s\.so\..*]] [[libm\.so\..*]] [[libstdc\+\+\.so\..*]]
+        [[.*\.framework]]
+        [[^[Qq]t.*]]
+    POST_EXCLUDE_REGEXES
+        [[^.*[\\/]system32[\\/].*\.dll$]]
+        [[^/lib.*]]
+        [[^/usr/lib.*]]
+    DIRECTORIES ${CONAN_RUNTIME_LIB_DIRS}
     COMPONENT AmneziaVPN
+    DESTINATION "${RUNTIME_DEPS_DIR}"
 )
 
 set(deploy_tool_options "")

client/amneziaApplication.cpp

@@ -25,6 +25,10 @@
 #include "version.h"
 
 #include "platforms/ios/QRCodeReaderBase.h"
+
+#ifdef Q_OS_ANDROID
+#include "platforms/android/android_controller.h"
+#endif
          
 
 bool AmneziaApplication::m_forceQuit = false;
@@ -132,6 +136,12 @@ void AmneziaApplication::init()
     m_engine->rootContext()->setContextProperty("IsMacOsNeBuild", false);
 #endif
 
+#ifdef Q_OS_ANDROID
+    m_engine->rootContext()->setContextProperty("IsPlayBuild", AndroidController::instance()->isPlay());
+#else
+    m_engine->rootContext()->setContextProperty("IsPlayBuild", false);
+#endif
+
     m_vpnConnection.reset(new VpnConnection(nullptr, nullptr));
     m_vpnConnection->moveToThread(&m_vpnConnectionThread);
     m_vpnConnectionThread.start();

client/android/billing/build.gradle.kts

@@ -0,0 +1,19 @@
+plugins {
+    id(libs.plugins.android.library.get().pluginId)
+    id(libs.plugins.kotlin.android.get().pluginId)
+}
+
+kotlin {
+    jvmToolchain(17)
+}
+
+android {
+    namespace = "org.amnezia.vpn.billing"
+}
+
+dependencies {
+    compileOnly(project(":utils"))
+    implementation(libs.androidx.core)
+    implementation(libs.kotlinx.coroutines)
+    implementation(libs.android.billing)
+}

client/android/billing/src/main/kotlin/BillingException.kt

@@ -0,0 +1,65 @@
+import com.android.billingclient.api.BillingClient.BillingResponseCode.BILLING_UNAVAILABLE
+import com.android.billingclient.api.BillingClient.BillingResponseCode.DEVELOPER_ERROR
+import com.android.billingclient.api.BillingClient.BillingResponseCode.ERROR
+import com.android.billingclient.api.BillingClient.BillingResponseCode.FEATURE_NOT_SUPPORTED
+import com.android.billingclient.api.BillingClient.BillingResponseCode.ITEM_ALREADY_OWNED
+import com.android.billingclient.api.BillingClient.BillingResponseCode.ITEM_NOT_OWNED
+import com.android.billingclient.api.BillingClient.BillingResponseCode.ITEM_UNAVAILABLE
+import com.android.billingclient.api.BillingClient.BillingResponseCode.NETWORK_ERROR
+import com.android.billingclient.api.BillingClient.BillingResponseCode.SERVICE_DISCONNECTED
+import com.android.billingclient.api.BillingClient.BillingResponseCode.SERVICE_UNAVAILABLE
+import com.android.billingclient.api.BillingClient.BillingResponseCode.USER_CANCELED
+import com.android.billingclient.api.BillingResult
+import org.amnezia.vpn.util.ErrorCode
+
+internal class BillingException(
+    billingResult: BillingResult,
+    retryable: Boolean = false
+) : Exception(billingResult.toString()) {
+
+    constructor(msg: String) : this(BillingResult.newBuilder()
+        .setResponseCode(DEVELOPER_ERROR)
+        .setDebugMessage(msg)
+        .build())
+
+    val errorCode: Int
+    val isCanceled = billingResult.responseCode == USER_CANCELED
+    val isRetryable = retryable || billingResult.responseCode in setOf(
+        NETWORK_ERROR,
+        SERVICE_DISCONNECTED,
+        SERVICE_UNAVAILABLE,
+        ERROR
+    )
+
+    init {
+        when (billingResult.responseCode) {
+            ERROR -> {
+                errorCode = ErrorCode.BillingGooglePlayError
+            }
+
+            BILLING_UNAVAILABLE, SERVICE_DISCONNECTED, SERVICE_UNAVAILABLE -> {
+                errorCode = ErrorCode.BillingUnavailable
+            }
+
+            DEVELOPER_ERROR, FEATURE_NOT_SUPPORTED, ITEM_NOT_OWNED -> {
+                errorCode = ErrorCode.BillingError
+            }
+
+            ITEM_ALREADY_OWNED -> {
+                errorCode = ErrorCode.SubscriptionAlreadyOwned
+            }
+
+            ITEM_UNAVAILABLE -> {
+                errorCode = ErrorCode.SubscriptionUnavailable
+            }
+
+            NETWORK_ERROR -> {
+                errorCode = ErrorCode.BillingNetworkError
+            }
+
+            else -> {
+                errorCode = ErrorCode.BillingError
+            }
+        }
+    }
+}

client/android/billing/src/main/kotlin/BillingProvider.kt

@@ -0,0 +1,320 @@
+import android.app.Activity
+import android.content.Context
+import com.android.billingclient.api.AcknowledgePurchaseParams
+import com.android.billingclient.api.BillingClient
+import com.android.billingclient.api.BillingClient.BillingResponseCode
+import com.android.billingclient.api.BillingClient.ProductType
+import com.android.billingclient.api.BillingClientStateListener
+import com.android.billingclient.api.BillingFlowParams
+import com.android.billingclient.api.BillingFlowParams.SubscriptionUpdateParams.ReplacementMode
+import com.android.billingclient.api.BillingResult
+import com.android.billingclient.api.GetBillingConfigParams
+import com.android.billingclient.api.PendingPurchasesParams
+import com.android.billingclient.api.ProductDetails
+import com.android.billingclient.api.Purchase
+import com.android.billingclient.api.PurchasesUpdatedListener
+import com.android.billingclient.api.QueryProductDetailsParams
+import com.android.billingclient.api.QueryProductDetailsParams.Product
+import com.android.billingclient.api.QueryPurchasesParams
+import com.android.billingclient.api.acknowledgePurchase
+import com.android.billingclient.api.queryProductDetails
+import com.android.billingclient.api.queryPurchasesAsync
+import kotlinx.coroutines.CancellationException
+import kotlinx.coroutines.CompletableDeferred
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.firstOrNull
+import kotlinx.coroutines.withContext
+import org.amnezia.vpn.util.ErrorCode
+import org.amnezia.vpn.util.Log
+import org.json.JSONArray
+import org.json.JSONObject
+
+private const val TAG = "BillingProvider"
+private const val PRODUCT_ID = "premium"
+
+class BillingProvider(context: Context) : AutoCloseable {
+
+    private var billingClient: BillingClient
+    private var subscriptionPurchases = MutableStateFlow<Pair<BillingResult, List<Purchase>?>?>(null)
+
+    private val purchasesUpdatedListeners = PurchasesUpdatedListener { billingResult, purchases ->
+        Log.v(TAG, "Purchases updated: $billingResult")
+        subscriptionPurchases.value = billingResult to purchases
+    }
+
+    init {
+        billingClient = BillingClient.newBuilder(context)
+            .setListener(purchasesUpdatedListeners)
+            .enablePendingPurchases(PendingPurchasesParams.newBuilder().enableOneTimeProducts().build())
+            .build()
+    }
+
+    private suspend fun connect() {
+        if (billingClient.isReady) return
+
+        Log.v(TAG, "Billing client connection")
+        val connection = CompletableDeferred<Unit>()
+        withContext(Dispatchers.IO) {
+            billingClient.startConnection(object : BillingClientStateListener {
+                override fun onBillingSetupFinished(billingResult: BillingResult) {
+                    Log.v(TAG, "Billing setup finished: $billingResult")
+                    if (billingResult.isOk) {
+                        connection.complete(Unit)
+                    } else {
+                        Log.e(TAG, "Billing setup failed: $billingResult")
+                        connection.completeExceptionally(BillingException(billingResult))
+                    }
+                }
+
+                override fun onBillingServiceDisconnected() {
+                    Log.w(TAG, "Billing service disconnected")
+                }
+            })
+        }
+        connection.await()
+    }
+
+    private suspend fun handleBillingApiCall(block: suspend () -> JSONObject): JSONObject {
+        val numberAttempts = 3
+        var attemptCount = 0
+        while (true) {
+            try {
+                return block()
+            } catch (e: BillingException) {
+                if (e.isCanceled) {
+                    Log.w(TAG, "Billing canceled")
+                    return JSONObject().put("responseCode", ErrorCode.BillingCanceled)
+                } else if (e.isRetryable && attemptCount < numberAttempts) {
+                    Log.d(TAG, "Retryable error: $e")
+                    ++attemptCount
+                    delay(1000)
+                } else {
+                    Log.e(TAG, "Billing error: $e")
+                    return JSONObject().put("responseCode", e.errorCode)
+                }
+            } catch (_: CancellationException) {
+                Log.w(TAG, "Billing coroutine canceled")
+                return JSONObject().put("responseCode", ErrorCode.BillingCanceled)
+            }
+        }
+    }
+
+    suspend fun getSubscriptionPlans(): JSONObject {
+        Log.v(TAG, "Get subscription plans")
+
+        val productDetailsList = getProductDetails()
+        val resultJson = JSONObject().put("responseCode", ErrorCode.NoError)
+        val productArray = JSONArray().also { resultJson.put("products", it) }
+        productDetailsList?.forEach { productDetails ->
+            val product = JSONObject().also { productArray.put(it) }
+                .put("productId", productDetails.productId)
+                .put("name", productDetails.name)
+            val offers = JSONArray().also { product.put("offers", it) }
+            productDetails.subscriptionOfferDetails?.forEach { offerDetails ->
+                val offer = JSONObject().also { offers.put(it) }
+                    .put("basePlanId", offerDetails.basePlanId)
+                    .put("offerId", offerDetails.offerId)
+                    .put("offerToken", offerDetails.offerToken)
+                val pricingPhases = JSONArray().also { offer.put("pricingPhases", it) }
+                offerDetails.pricingPhases.pricingPhaseList.forEach { phase ->
+                    JSONObject().also { pricingPhases.put(it) }
+                        .put("billingCycleCount", phase.billingCycleCount)
+                        .put("billingPeriod", phase.billingPeriod)
+                        .put("formatedPrice", phase.formattedPrice)
+                        .put("recurrenceMode", phase.recurrenceMode)
+                }
+            }
+        }
+        return resultJson
+    }
+
+    private suspend fun getProductDetails(): List<ProductDetails>? {
+        Log.v(TAG, "Get product details")
+
+        val productDetailsParams = Product.newBuilder()
+            .setProductId(PRODUCT_ID)
+            .setProductType(ProductType.SUBS)
+            .build()
+
+        val queryProductDetailsParams = QueryProductDetailsParams.newBuilder()
+            .setProductList(listOf(productDetailsParams))
+            .build()
+
+        val result = withContext(Dispatchers.IO) {
+            billingClient.queryProductDetails(queryProductDetailsParams)
+        }
+
+        Log.v(TAG, "Query product details result: ${result.billingResult}")
+
+        if (!result.billingResult.isOk) {
+            Log.e(TAG, "Failed to get product details: ${result.billingResult}")
+            throw BillingException(result.billingResult)
+        }
+
+        return result.productDetailsList
+    }
+
+    suspend fun getCustomerCountryCode(): JSONObject {
+        Log.v(TAG, "Get customer country code")
+
+        val deferred = CompletableDeferred<String>()
+        withContext(Dispatchers.IO) {
+            billingClient.getBillingConfigAsync(GetBillingConfigParams.newBuilder().build(),
+                { billingResult, billingConfig ->
+                    Log.v(TAG, "Billing config: $billingResult, ${billingConfig?.countryCode}")
+                    if (billingResult.isOk) {
+                        deferred.complete(billingConfig?.countryCode ?: "")
+                    } else {
+                        deferred.completeExceptionally(BillingException(billingResult))
+                    }
+                })
+        }
+        val countryCode = deferred.await()
+
+        return JSONObject()
+            .put("responseCode", ErrorCode.NoError)
+            .put("countryCode", countryCode)
+    }
+
+    suspend fun purchaseSubscription(
+        activity: Activity,
+        offerToken: String,
+        oldPurchaseToken: String? = null
+    ): JSONObject {
+        Log.v(TAG, "Purchase subscription")
+        Log.v(TAG, "Offer token: $offerToken")
+        oldPurchaseToken?.let { Log.v(TAG, "Old purchase token: $it") }
+
+        if (offerToken.isBlank()) throw BillingException("offerToken can not be empty")
+
+        val productDetails = getProductDetails()?.let {
+            it.filter { it.productId == PRODUCT_ID }
+        }?.firstOrNull() ?: throw BillingException("Product details not found")
+
+        Log.v(TAG, "Filtered product details:\n$productDetails")
+
+        val productDetail = BillingFlowParams.ProductDetailsParams.newBuilder()
+            .setProductDetails(productDetails)
+            .setOfferToken(offerToken)
+            .build()
+
+        val subscriptionUpdateParams = oldPurchaseToken?.let {
+            BillingFlowParams.SubscriptionUpdateParams.newBuilder()
+                .setOldPurchaseToken(oldPurchaseToken)
+                .setSubscriptionReplacementMode(ReplacementMode.WITHOUT_PRORATION)
+                .build()
+        }
+
+        val billingResult = billingClient.launchBillingFlow(activity, BillingFlowParams.newBuilder()
+            .setProductDetailsParamsList(listOf(productDetail))
+            .apply { subscriptionUpdateParams?.let { setSubscriptionUpdateParams(it) } }
+            .build())
+
+        Log.v(TAG, "Start billing flow result: $billingResult")
+
+        if (billingResult.responseCode == BillingResponseCode.ITEM_ALREADY_OWNED) {
+            Log.w(TAG, "Attempting to purchase already owned product")
+            val purchases = queryPurchases()
+            if (purchases.any { PRODUCT_ID in it.products }) throw BillingException(billingResult)
+            else throw BillingException(billingResult, retryable = true)
+        } else if (billingResult.responseCode == BillingResponseCode.ITEM_NOT_OWNED) {
+            Log.w(TAG, "Attempting to replace not owned product")
+            val purchases = queryPurchases()
+            if (purchases.all { PRODUCT_ID !in it.products }) throw BillingException(billingResult)
+            else throw BillingException(billingResult, retryable = true)
+        } else if (!billingResult.isOk) throw BillingException(billingResult)
+
+        subscriptionPurchases.firstOrNull { it != null }?.let { (billingResult, purchases) ->
+            if (!billingResult.isOk) throw BillingException(billingResult)
+            return JSONObject()
+                .put("responseCode", ErrorCode.NoError)
+                .put("purchases", processPurchases(purchases))
+        } ?: throw BillingException("Purchase failed")
+    }
+
+    private fun processPurchases(purchases: List<Purchase>?): JSONArray {
+        val purchaseArray = JSONArray()
+        purchases?.forEach { purchase ->
+            /* val purchaseJson = */ JSONObject().also { purchaseArray.put(it) }
+                .put("purchaseToken", purchase.purchaseToken)
+                .put("purchaseTime", purchase.purchaseTime)
+                .put("purchaseState", purchase.purchaseState)
+                .put("isAcknowledged", purchase.isAcknowledged)
+                .put("isAutoRenewing", purchase.isAutoRenewing)
+                .put("orderId", purchase.orderId)
+                // .put("productIds", JSONArray(purchase.products))
+
+            /* purchase.pendingPurchaseUpdate?.let { purchaseUpdate ->
+                JSONObject()
+                    .put("purchaseToken", purchaseUpdate.purchaseToken)
+                    // .put("productIds", JSONArray(purchaseUpdate.products))
+            }.also { purchaseJson.put("pendingPurchaseUpdate", it) } */
+        }
+        return purchaseArray
+    }
+
+    suspend fun acknowledge(purchaseToken: String): JSONObject {
+        Log.v(TAG, "Acknowledge purchase: $purchaseToken")
+
+        val result = withContext(Dispatchers.IO) {
+            billingClient.acknowledgePurchase(
+                AcknowledgePurchaseParams.newBuilder()
+                    .setPurchaseToken(purchaseToken)
+                    .build()
+            )
+        }
+
+        Log.v(TAG, "Acknowledge purchase result: $result")
+
+        if (result.responseCode == BillingResponseCode.ITEM_NOT_OWNED) {
+            Log.w(TAG, "Attempting to acknowledge not owned product")
+            val purchases = queryPurchases()
+            if (purchases.all { PRODUCT_ID !in it.products }) throw BillingException(result)
+            else throw BillingException(result, retryable = true)
+        } else if (!result.isOk && result.responseCode != BillingResponseCode.ITEM_ALREADY_OWNED) {
+            throw BillingException(result)
+        }
+
+        return JSONObject().put("responseCode", ErrorCode.NoError)
+    }
+
+    suspend fun getPurchases(): JSONObject {
+        Log.v(TAG, "Get purchases")
+        val purchases = queryPurchases()
+        return JSONObject()
+            .put("responseCode", ErrorCode.NoError)
+            .put("purchases", processPurchases(purchases))
+    }
+
+    private suspend fun queryPurchases(): List<Purchase> {
+        Log.v(TAG, "Query purchases")
+        val result = withContext(Dispatchers.IO) {
+            billingClient.queryPurchasesAsync(
+                QueryPurchasesParams.newBuilder().setProductType(ProductType.SUBS).build()
+            )
+        }
+        Log.v(TAG, "Query purchases result: ${result.billingResult}")
+        if (!result.billingResult.isOk) throw BillingException(result.billingResult)
+        return result.purchasesList
+    }
+
+    override fun close() {
+        Log.v(TAG, "Close billing client connection")
+        billingClient.endConnection()
+    }
+
+    companion object {
+        suspend fun withBillingProvider(context: Context, block: suspend BillingProvider.() -> JSONObject): String =
+            BillingProvider(context).use { bp ->
+                bp.handleBillingApiCall {
+                    bp.connect()
+                    bp.block()
+                }.toString()
+            }
+    }
+}
+
+internal val BillingResult.isOk: Boolean
+    get() = responseCode == BillingResponseCode.OK

client/android/build.gradle.kts

@@ -20,6 +20,7 @@ android {
     namespace = "org.amnezia.vpn"
 
     buildFeatures {
+        buildConfig = true
         viewBinding = true
     }
 
@@ -33,13 +34,56 @@ android {
         jniLibs.useLegacyPackaging = true
     }
 
+    val abiList = qtTargetAbiList.split(",")
+
     defaultConfig {
         applicationId = "org.amnezia.vpn"
         targetSdk = qtTargetSdkVersion.toInt()
 
         // keeps language resources for only the locales specified below
         resourceConfigurations += listOf("en", "ru", "b+zh+Hans")
-        ndk.abiFilters += qtTargetAbiList.split(",")
+        // ndk.abiFilters is only used for single-ABI builds; multi-ABI uses splits below
+        if (abiList.size == 1) {
+            ndk.abiFilters += abiList
+        }
+    }
+
+    signingConfigs {
+        register("release") {
+            storeFile = providers.environmentVariable("QT_ANDROID_KEYSTORE_PATH").orNull?.let { file(it) }
+            storePassword = providers.environmentVariable("QT_ANDROID_KEYSTORE_STORE_PASS").orNull
+            keyAlias = providers.environmentVariable("QT_ANDROID_KEYSTORE_ALIAS").orNull
+            keyPassword = providers.environmentVariable("QT_ANDROID_KEYSTORE_STORE_PASS").orNull
+        }
+    }
+
+    buildTypes {
+        release {
+            // exclude coroutine debug resource from release build
+            packaging {
+                resources.excludes += "DebugProbesKt.bin"
+            }
+            signingConfig = signingConfigs["release"]
+        }
+
+        create("fdroid") {
+            initWith(getByName("release"))
+            signingConfig = null
+            matchingFallbacks += "release"
+        }
+    }
+
+    flavorDimensions += "billing"
+
+    productFlavors {
+        create("oss") {
+            dimension = "billing"
+            buildConfigField("boolean", "IS_PLAY_BUILD", "false")
+        }
+        create("play") {
+            dimension = "billing"
+            buildConfigField("boolean", "IS_PLAY_BUILD", "true")
+        }
     }
 
     sourceSets {
@@ -51,13 +95,74 @@ android {
             assets.setSrcDirs(listOf("assets"))
             jniLibs.setSrcDirs(listOf("libs"))
         }
+
+        getByName("oss") {
+            java.setSrcDirs(listOf("oss"))
+        }
+
+        getByName("play") {
+            java.setSrcDirs(listOf("play"))
+        }
     }
 
-    buildTypes {
-        release {
-            // exclude coroutine debug resource from release build
-            packaging {
-                resources.excludes += "DebugProbesKt.bin"
+    splits {
+        abi {
+            // splits only make sense for multi-ABI builds; single-ABI uses ndk.abiFilters
+            isEnable = abiList.size > 1
+            reset()
+            include(*abiList.toTypedArray())
+            isUniversalApk = false
+        }
+    }
+
+    // fix for Qt Creator to allow deploying the application to a device
+    // to enable this fix, add the line outputBaseName=android-build to local.properties
+    if (outputBaseName.isNotEmpty()) {
+        applicationVariants.all {
+            outputs.map { it as BaseVariantOutputImpl }
+                .forEach { output ->
+                    if (output.outputFileName.endsWith(".apk")) {
+                        output.outputFileName = "$outputBaseName-${buildType.name}.apk"
+                    }
+                }
+        }
+    }
+
+    // androiddeployqt expects:
+    //   APK: build/outputs/apk/{base}-{buildType}[-unsigned].apk  (no flavor subdir)
+    //   AAB: build/outputs/bundle/{buildType}/{base}-{buildType}.aab (no flavor subdir)
+    // where {base} = outputBaseName (set by Qt Creator) or "android-build" (CI fallback).
+    // Release APK gets -unsigned suffix (Qt cmake signs it); debug does not.
+    // Copy only oss flavor to the flat output dir that androiddeployqt/Qt Creator expect.
+    // Play flavor is built via android_play_apk/android_play_aab cmake targets and uses
+    // its native Gradle output paths directly.
+    applicationVariants.all {
+        val flavorName = productFlavors.firstOrNull()?.name ?: ""
+        val buildTypeName = buildType.name
+        if (flavorName == "oss") {
+            val base = outputBaseName.ifEmpty { "android-build" }
+            val unsignedSuffix = if (buildTypeName == "release") "-unsigned" else ""
+
+            packageApplicationProvider.configure {
+                doLast {
+                    val srcDir = layout.buildDirectory.dir("outputs/apk/oss/$buildTypeName").get().asFile
+                    val dstDir = layout.buildDirectory.dir("outputs/apk").get().asFile
+                    dstDir.mkdirs()
+                    srcDir.listFiles()?.filter { it.name.endsWith(".apk") }?.forEach { apk ->
+                        apk.copyTo(File(dstDir, "$base-$buildTypeName$unsignedSuffix.apk"), overwrite = true)
+                    }
+                }
+            }
+
+            tasks.named("bundle${name.replaceFirstChar { it.uppercase() }}") {
+                doLast {
+                    val srcDir = layout.buildDirectory.dir("outputs/bundle/ossRelease").get().asFile
+                    val dstDir = layout.buildDirectory.dir("outputs/bundle/$buildTypeName").get().asFile
+                    dstDir.mkdirs()
+                    srcDir.listFiles()?.filter { it.name.endsWith(".aab") }?.forEach { aab ->
+                        aab.copyTo(File(dstDir, "$base-$buildTypeName.aab"), overwrite = true)
+                    }
+                }
             }
         }
     }
@@ -84,4 +189,9 @@ dependencies {
     implementation(libs.google.mlkit)
     implementation(libs.androidx.datastore)
     implementation(libs.androidx.biometric)
+
+    playImplementation(project(":billing"))
 }
+
+fun DependencyHandler.playImplementation(dependency: Any): Dependency? =
+    add("playImplementation", dependency)

client/android/gradle/libs.versions.toml

@@ -1,6 +1,7 @@
 [versions]
 agp = "8.6.1"
 kotlin = "1.9.24"
+android-billing = "7.0.0"
 androidx-core = "1.13.1"
 androidx-activity = "1.9.1"
 androidx-annotation = "1.8.2"
@@ -14,6 +15,7 @@ kotlinx-serialization = "1.6.3"
 google-mlkit = "17.3.0"
 
 [libraries]
+android-billing = { module = "com.android.billingclient:billing-ktx", version.ref = "android-billing" }
 androidx-core = { module = "androidx.core:core-ktx", version.ref = "androidx-core" }
 androidx-activity = { module = "androidx.activity:activity-ktx", version.ref = "androidx-activity" }
 androidx-annotation = { module = "androidx.annotation:annotation", version.ref = "androidx-annotation" }

client/android/oss/org/amnezia/vpn/BillingPaymentRepository.kt

@@ -0,0 +1,13 @@
+package org.amnezia.vpn
+
+import android.app.Activity
+import android.content.Context
+
+class BillingPaymentRepository(@Suppress("UNUSED_PARAMETER") context: Context) : BillingRepository {
+    override suspend fun getCountryCode(): String = ""
+    override suspend fun getSubscriptionPlans(): String = ""
+    override suspend fun purchaseSubscription(activity: Activity, offerToken: String): String = ""
+    override suspend fun upgradeSubscription(activity: Activity, offerToken: String, oldPurchaseToken: String): String = ""
+    override suspend fun acknowledge(purchaseToken: String): String = ""
+    override suspend fun queryPurchases(): String = ""
+}

client/android/play/org/amnezia/vpn/BillingPaymentRepository.kt

@@ -0,0 +1,34 @@
+package org.amnezia.vpn
+
+import android.app.Activity
+import android.content.Context
+import BillingProvider.Companion.withBillingProvider
+
+class BillingPaymentRepository(private val context: Context) : BillingRepository {
+
+    override suspend fun getCountryCode(): String = withBillingProvider(context) {
+        getCustomerCountryCode()
+    }
+
+    override suspend fun getSubscriptionPlans(): String = withBillingProvider(context) {
+        getSubscriptionPlans()
+    }
+
+    override suspend fun purchaseSubscription(activity: Activity, offerToken: String): String =
+        withBillingProvider(context) {
+            purchaseSubscription(activity, offerToken)
+    }
+
+    override suspend fun upgradeSubscription(activity: Activity, offerToken: String, oldPurchaseToken: String): String =
+        withBillingProvider(context) {
+            purchaseSubscription(activity, offerToken, oldPurchaseToken)
+        }
+
+    override suspend fun acknowledge(purchaseToken: String): String = withBillingProvider(context) {
+        acknowledge(purchaseToken)
+    }
+
+    override suspend fun queryPurchases(): String = withBillingProvider(context) {
+        getPurchases()
+    }
+}

client/android/settings.gradle.kts

@@ -30,6 +30,7 @@ rootProject.buildFileName = "build.gradle.kts"
 
 include(":qt")
 include(":utils")
+include(":billing")
 include(":protocolApi")
 include(":wireguard")
 include(":awg")

client/android/src/org/amnezia/vpn/AmneziaActivity.kt

@@ -55,7 +55,6 @@ import kotlinx.coroutines.async
 import kotlinx.coroutines.cancel
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.runBlocking
-import kotlinx.coroutines.withContext
 import org.amnezia.vpn.protocol.getStatistics
 import org.amnezia.vpn.protocol.getStatus
 import org.amnezia.vpn.qt.QtAndroidController
@@ -89,6 +88,7 @@ class AmneziaActivity : QtActivity() {
     private var notificationStateReceiver: BroadcastReceiver? = null
     private lateinit var vpnServiceMessenger: IpcMessenger
     private var pfd: ParcelFileDescriptor? = null
+    private lateinit var billingRepository: BillingRepository
 
     private val actionResultHandlers = mutableMapOf<Int, ActivityResultHandler>()
     private val permissionRequestHandlers = mutableMapOf<Int, PermissionRequestHandler>()
@@ -205,6 +205,7 @@ class AmneziaActivity : QtActivity() {
         registerBroadcastReceivers()
         intent?.let(::processIntent)
         runBlocking { vpnProto = proto.await() }
+        billingRepository = BillingPaymentRepository(applicationContext)
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
@@ -983,15 +984,9 @@ class AmneziaActivity : QtActivity() {
     @Suppress("unused")
     fun getAppList(): String {
         Log.v(TAG, "Get app list")
-        var appList = ""
-        runBlocking {
-            mainScope.launch {
-                withContext(Dispatchers.IO) {
-                    appList = AppListProvider.getAppList(packageManager, packageName)
-                }
-            }.join()
+        return blockingCall(Dispatchers.IO) {
+            AppListProvider.getAppList(packageManager, packageName)
         }
-        return appList
     }
 
     @Suppress("unused")
@@ -1061,12 +1056,10 @@ class AmneziaActivity : QtActivity() {
     @Suppress("unused")
     fun sendTouch(x: Float, y: Float) {
         Log.v(TAG, "Send touch: $x, $y")
-        blockingCall {
-            findQtWindow(window.decorView)?.let {
-                Log.v(TAG, "Send touch to $it")
-                it.dispatchTouchEvent(createEvent(x, y, SystemClock.uptimeMillis(), MotionEvent.ACTION_DOWN))
-                it.dispatchTouchEvent(createEvent(x, y, SystemClock.uptimeMillis(), MotionEvent.ACTION_UP))
-            }
+        findQtWindow(window.decorView)?.let {
+            Log.v(TAG, "Send touch to $it")
+            it.dispatchTouchEvent(createEvent(x, y, SystemClock.uptimeMillis(), MotionEvent.ACTION_DOWN))
+            it.dispatchTouchEvent(createEvent(x, y, SystemClock.uptimeMillis(), MotionEvent.ACTION_UP))
         }
     }
 
@@ -1162,11 +1155,59 @@ class AmneziaActivity : QtActivity() {
         return super.dispatchTrackballEvent(ev)
     }
 
+    @Suppress("unused")
+    fun isPlay(): Boolean = BuildConfig.FLAVOR == "play"
+
+    @Suppress("unused")
+    fun isTestPurchaseEnvironment(): Boolean {
+        if (BuildConfig.DEBUG) return true
+        val appInfo = packageManager.getApplicationInfo(packageName, 0)
+        return (appInfo.flags and android.content.pm.ApplicationInfo.FLAG_DEBUGGABLE) != 0
+    }
+
+    @Suppress("unused")
+    fun getCountryCode(): String {
+        Log.v(TAG, "Get country code")
+        return blockingCall { billingRepository.getCountryCode() }
+    }
+
+    @Suppress("unused")
+    fun getSubscriptionPlans(): String {
+        Log.v(TAG, "Get subscription plans")
+        return blockingCall { billingRepository.getSubscriptionPlans() }
+    }
+
+    @Suppress("unused")
+    fun purchaseSubscription(offerToken: String): String {
+        Log.v(TAG, "Purchase subscription")
+        return blockingCall { billingRepository.purchaseSubscription(this@AmneziaActivity, offerToken) }
+    }
+
+    @Suppress("unused")
+    fun upgradeSubscription(offerToken: String, oldPurchaseToken: String): String {
+        Log.v(TAG, "Upgrade subscription")
+        return blockingCall {
+            billingRepository.upgradeSubscription(this@AmneziaActivity, offerToken, oldPurchaseToken)
+        }
+    }
+
+    @Suppress("unused")
+    fun acknowledgePurchase(purchaseToken: String): String {
+        Log.v(TAG, "Acknowledge purchase")
+        return blockingCall { billingRepository.acknowledge(purchaseToken) }
+    }
+
+    @Suppress("unused")
+    fun queryPurchases(): String {
+        Log.v(TAG, "Query purchases")
+        return blockingCall { billingRepository.queryPurchases() }
+    }
+
     /**
      * Utils methods
      */
     private fun <T> blockingCall(
-        context: CoroutineContext = Dispatchers.Main.immediate,
+        context: CoroutineContext = Dispatchers.Default,
         block: suspend () -> T
     ) = runBlocking {
         mainScope.async(context) { block() }.await()

client/android/src/org/amnezia/vpn/AmneziaApplication.kt

@@ -1,5 +1,6 @@
 package org.amnezia.vpn
 
+import android.system.Os
 import androidx.camera.camera2.Camera2Config
 import androidx.camera.core.CameraSelector
 import androidx.camera.core.CameraXConfig
@@ -12,6 +13,9 @@ private const val TAG = "AmneziaApplication"
 class AmneziaApplication : QtApplication(), CameraXConfig.Provider {
 
     override fun onCreate() {
+        if (BuildConfig.DEBUG) {
+            Os.setenv("QT_ANDROID_DEBUGGER_MAIN_THREAD_SLEEP_MS", "0", true)
+        }
         super.onCreate()
         Prefs.init(this)
         Log.init(this)

client/android/src/org/amnezia/vpn/BillingRepository.kt

@@ -0,0 +1,12 @@
+package org.amnezia.vpn
+
+import android.app.Activity
+
+interface BillingRepository {
+    suspend fun getCountryCode(): String
+    suspend fun getSubscriptionPlans(): String
+    suspend fun purchaseSubscription(activity: Activity, offerToken: String): String
+    suspend fun upgradeSubscription(activity: Activity, offerToken: String, oldPurchaseToken: String): String
+    suspend fun acknowledge(purchaseToken: String): String
+    suspend fun queryPurchases(): String
+}

client/android/utils/src/main/kotlin/ErrorCode.kt

@@ -0,0 +1,14 @@
+package org.amnezia.vpn.util
+
+// keep synchronized with client/core/defs.h error_code_ns::ErrorCode
+object ErrorCode {
+    const val NoError = 0
+
+    const val BillingCanceled = 1300
+    const val BillingError = 1301
+    const val BillingGooglePlayError = 1302
+    const val BillingUnavailable = 1303
+    const val SubscriptionAlreadyOwned = 1304
+    const val SubscriptionUnavailable = 1305
+    const val BillingNetworkError = 1306
+}

client/cmake/android.cmake

@@ -1,5 +1,9 @@
 message("Client android ${CMAKE_ANDROID_ARCH_ABI} build")
 
+# Option to build Play variant (with Google Play Billing) instead of OSS
+# When ON, adds target android_play_apk: cmake --build . --target android_play_apk
+option(ANDROID_BUILD_PLAY "Add android_play_apk target for Google Play Billing build" OFF)
+
 set(APP_ANDROID_MIN_SDK 28)
 set(ANDROID_PLATFORM "android-${APP_ANDROID_MIN_SDK}" CACHE STRING
     "The minimum API level supported by the application or library" FORCE)
@@ -53,3 +57,22 @@ file(COPY ${AMNEZIA_LIBXRAY_PATH} DESTINATION ${CMAKE_CURRENT_SOURCE_DIR}/androi
 find_package(openvpn-pt-android REQUIRED)
 set(LIBS ${LIBS} amnezia::openvpn-pt-android)
 set_property(TARGET ${PROJECT} APPEND PROPERTY QT_ANDROID_EXTRA_LIBS ${OPENVPN_PT_ANDROID_LIBCK_OVPN_PLUGIN_PATH})
+
+if(ANDROID_BUILD_PLAY)
+    if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+        set(_gradle_suffix "Debug")
+    else()
+        set(_gradle_suffix "Release")
+    endif()
+    set(_android_build_dir "${CMAKE_CURRENT_BINARY_DIR}/android-build")
+    add_custom_target(android_play_apk
+        COMMAND ./gradlew assemblePlay${_gradle_suffix}         WORKING_DIRECTORY "${_android_build_dir}"
+        COMMENT "Building Android Play APK (assemblePlay${_gradle_suffix})"
+        DEPENDS ${PROJECT}
+    )
+    add_custom_target(android_play_aab
+        COMMAND ./gradlew bundlePlay${_gradle_suffix}         WORKING_DIRECTORY "${_android_build_dir}"
+        COMMENT "Building Android Play AAB (bundlePlay${_gradle_suffix})"
+        DEPENDS ${PROJECT}
+    )
+endif()

client/cmake/ios.cmake

@@ -54,7 +54,6 @@ target_include_directories(${PROJECT} PRIVATE ${Qt6Gui_PRIVATE_INCLUDE_DIRS})
 
 
 set_target_properties(${PROJECT} PROPERTIES
-    XCODE_LINK_BUILD_PHASE_MODE KNOWN_LOCATION
     MACOSX_BUNDLE_INFO_PLIST ${CMAKE_CURRENT_SOURCE_DIR}/ios/app/Info.plist.in
     MACOSX_BUNDLE_ICON_FILE "AppIcon"
     MACOSX_BUNDLE_INFO_STRING "AmneziaVPN"

client/cmake/sources.cmake

@@ -35,6 +35,8 @@ set(HEADERS ${HEADERS}
     ${CLIENT_ROOT_DIR}/core/installers/torInstaller.h
     ${CLIENT_ROOT_DIR}/core/installers/sftpInstaller.h
     ${CLIENT_ROOT_DIR}/core/installers/socks5Installer.h
+    ${CLIENT_ROOT_DIR}/core/installers/mtProxyInstaller.h
+    ${CLIENT_ROOT_DIR}/core/installers/telemtInstaller.h
     ${CLIENT_ROOT_DIR}/core/controllers/appSplitTunnelingController.h
     ${CLIENT_ROOT_DIR}/core/controllers/ipSplitTunnelingController.h
     ${CLIENT_ROOT_DIR}/core/controllers/allowedDnsController.h
@@ -110,6 +112,8 @@ set(SOURCES ${SOURCES}
     ${CLIENT_ROOT_DIR}/core/installers/torInstaller.cpp
     ${CLIENT_ROOT_DIR}/core/installers/sftpInstaller.cpp
     ${CLIENT_ROOT_DIR}/core/installers/socks5Installer.cpp
+    ${CLIENT_ROOT_DIR}/core/installers/mtProxyInstaller.cpp
+    ${CLIENT_ROOT_DIR}/core/installers/telemtInstaller.cpp
     ${CLIENT_ROOT_DIR}/core/controllers/appSplitTunnelingController.cpp
     ${CLIENT_ROOT_DIR}/core/controllers/ipSplitTunnelingController.cpp
     ${CLIENT_ROOT_DIR}/core/controllers/allowedDnsController.cpp
@@ -201,12 +205,14 @@ file(GLOB UI_MODELS_H CONFIGURE_DEPENDS
     ${CLIENT_ROOT_DIR}/ui/models/*.h
     ${CLIENT_ROOT_DIR}/ui/models/protocols/*.h
     ${CLIENT_ROOT_DIR}/ui/models/services/*.h
+    ${CLIENT_ROOT_DIR}/ui/models/utils/*.h
     ${CLIENT_ROOT_DIR}/ui/models/api/*.h
 )
 file(GLOB UI_MODELS_CPP CONFIGURE_DEPENDS
     ${CLIENT_ROOT_DIR}/ui/models/*.cpp
     ${CLIENT_ROOT_DIR}/ui/models/protocols/*.cpp
     ${CLIENT_ROOT_DIR}/ui/models/services/*.cpp
+    ${CLIENT_ROOT_DIR}/ui/models/utils/*.cpp
     ${CLIENT_ROOT_DIR}/ui/models/api/*.cpp
 )
 

client/core/configurators/xrayConfigurator.cpp

@@ -4,6 +4,7 @@
 #include <QJsonDocument>
 #include <QJsonObject>
 #include <QJsonArray>
+#include <QThread>
 #include <QUuid>
 #include "logger.h"
 
@@ -20,183 +21,642 @@
 #include "core/models/protocols/xrayProtocolConfig.h"
 
 namespace {
-Logger logger("XrayConfigurator");
-}
+    Logger logger("XrayConfigurator");
+
+    QString normalizeXhttpMode(const QString &m) {
+        const QString t = m.trimmed();
+        if (t.isEmpty() || t.compare(QLatin1String("Auto"), Qt::CaseInsensitive) == 0) {
+            return QStringLiteral("auto");
+        }
+        if (t.compare(QLatin1String("Packet-up"), Qt::CaseInsensitive) == 0)
+            return QStringLiteral("packet-up");
+        if (t.compare(QLatin1String("Stream-up"), Qt::CaseInsensitive) == 0)
+            return QStringLiteral("stream-up");
+        if (t.compare(QLatin1String("Stream-one"), Qt::CaseInsensitive) == 0)
+            return QStringLiteral("stream-one");
+        return t.toLower();
+    }
+
+    // Xray-core: empty → path; "None" in UI → omit (core default path)
+    QString normalizeSessionSeqPlacement(const QString &p)
+    {
+        if (p.isEmpty() || p.compare(QLatin1String("None"), Qt::CaseInsensitive) == 0)
+            return {};
+        return p.toLower();
+    }
+
+    QString normalizeUplinkDataPlacement(const QString &p)
+    {
+        if (p.isEmpty() || p.compare(QLatin1String("Body"), Qt::CaseInsensitive) == 0)
+            return QStringLiteral("body");
+        if (p.compare(QLatin1String("Auto"), Qt::CaseInsensitive) == 0)
+            return QStringLiteral("auto");
+        if (p.compare(QLatin1String("Query"), Qt::CaseInsensitive) == 0)
+            // "Query" is not valid for uplink payload in splithttp; closest documented mode
+            return QStringLiteral("header");
+        return p.toLower();
+    }
+
+    // splithttp: cookie | header | query | queryInHeader (not "body")
+    QString normalizeXPaddingPlacement(const QString &p)
+    {
+        QString t = p.trimmed();
+        if (t.isEmpty())
+            return QString::fromLatin1(amnezia::protocols::xray::defaultXPaddingPlacement).toLower();
+        if (t.compare(QLatin1String("Body"), Qt::CaseInsensitive) == 0)
+            return QStringLiteral("queryInHeader");
+        if (t.contains(QLatin1String("queryInHeader"), Qt::CaseInsensitive)
+            || t.compare(QLatin1String("Query in header"), Qt::CaseInsensitive) == 0)
+            return QStringLiteral("queryInHeader");
+        return t.toLower();
+    }
+
+    // splithttp: repeat-x | tokenish
+    QString normalizeXPaddingMethod(const QString &m)
+    {
+        QString t = m.trimmed();
+        if (t.isEmpty() || t.compare(QLatin1String("Repeat-x"), Qt::CaseInsensitive) == 0)
+            return QStringLiteral("repeat-x");
+        if (t.compare(QLatin1String("Tokenish"), Qt::CaseInsensitive) == 0)
+            return QStringLiteral("tokenish");
+        if (t.compare(QLatin1String("Random"), Qt::CaseInsensitive) == 0
+            || t.compare(QLatin1String("Zero"), Qt::CaseInsensitive) == 0)
+            return QStringLiteral("repeat-x");
+        return t.toLower();
+    }
+
+    void putIntRangeIfAny(QJsonObject &obj, const char *key, QString minV, QString maxV, const char *fallbackMin,
+                          const char *fallbackMax)
+    {
+        if (minV.isEmpty() && maxV.isEmpty())
+            return;
+        if (minV.isEmpty())
+            minV = QString::fromLatin1(fallbackMin);
+        if (maxV.isEmpty())
+            maxV = QString::fromLatin1(fallbackMax);
+        QJsonObject r;
+        r[QStringLiteral("from")] = minV.toInt();
+        r[QStringLiteral("to")] = maxV.toInt();
+        obj[QString::fromUtf8(key)] = r;
+    }
+
+    // Desktop applies this in XrayProtocol::start(); iOS/Android pass JSON straight to libxray — same fixes here.
+    void sanitizeXrayNativeConfig(amnezia::ProtocolConfig &pc)
+    {
+        QString c = pc.nativeConfig();
+        if (c.isEmpty()) {
+            return;
+        }
+        bool changed = false;
+        if (c.contains(QLatin1String("Mozilla/5.0"), Qt::CaseInsensitive)) {
+            c.replace(QLatin1String("Mozilla/5.0"), QString::fromLatin1(amnezia::protocols::xray::defaultFingerprint),
+                      Qt::CaseInsensitive);
+            changed = true;
+        }
+        const QString legacyListen = QString::fromLatin1(amnezia::protocols::xray::defaultLocalAddr);
+        const QString listenOk = QString::fromLatin1(amnezia::protocols::xray::defaultLocalListenAddr);
+        if (c.contains(legacyListen)) {
+            c.replace(legacyListen, listenOk);
+            changed = true;
+        }
+        if (changed) {
+            pc.setNativeConfig(c);
+        }
+    }
+} // namespace
 
 XrayConfigurator::XrayConfigurator(SshSession* sshSession, QObject *parent)
     : ConfiguratorBase(sshSession, parent)
 {
 }
 
+amnezia::ProtocolConfig XrayConfigurator::processConfigWithLocalSettings(const amnezia::ConnectionSettings &settings,
+                                                                         amnezia::ProtocolConfig protocolConfig)
+{
+    applyDnsToNativeConfig(settings.dns, protocolConfig);
+    sanitizeXrayNativeConfig(protocolConfig);
+    return protocolConfig;
+}
+
+ErrorCode XrayConfigurator::uploadServerConfigJson(const ServerCredentials &credentials, DockerContainer container,
+                                                    const DnsSettings &dnsSettings, const QJsonObject &serverConfig) const
+{
+    const QString updatedConfig = QJsonDocument(serverConfig).toJson();
+    ErrorCode errorCode = m_sshSession->uploadTextFileToContainer(
+            container, credentials, updatedConfig, amnezia::protocols::xray::serverConfigPath,
+            libssh::ScpOverwriteMode::ScpOverwriteExisting);
+    if (errorCode != ErrorCode::NoError) {
+        logger.error() << "Failed to upload updated config";
+        return errorCode;
+    }
+
+    const QString restartScript = QStringLiteral("sudo docker restart $CONTAINER_NAME");
+    errorCode = m_sshSession->runScript(
+            credentials,
+            m_sshSession->replaceVars(restartScript,
+                                      amnezia::genBaseVars(credentials, container, dnsSettings.primaryDns,
+                                                           dnsSettings.secondaryDns)));
+    if (errorCode != ErrorCode::NoError) {
+        logger.error() << "Failed to restart container";
+    }
+    return errorCode;
+}
+
+ErrorCode XrayConfigurator::readRealityKeyFiles(const DockerContainer container, const ServerCredentials &credentials,
+                                                QString &outPublicKey, QString &outShortId) const
+{
+    outPublicKey.clear();
+    outShortId.clear();
+
+    auto readKeyFile = [&](const QString &path, QString &out) -> ErrorCode {
+        for (int attempt = 0; attempt < 3; ++attempt) {
+            ErrorCode fileError = ErrorCode::NoError;
+            out = QString::fromUtf8(m_sshSession->getTextFileFromContainer(container, credentials, path, fileError));
+            out.replace(QLatin1Char('\n'), QString());
+            out.replace(QLatin1Char('\r'), QString());
+            if (fileError == ErrorCode::NoError && !out.isEmpty()) {
+                return ErrorCode::NoError;
+            }
+            if (attempt < 2) {
+                QThread::msleep(500);
+            }
+        }
+        logger.error() << "Xray readRealityKeyFiles: failed path=" << path;
+        return ErrorCode::XrayRealityKeysReadFailed;
+    };
+
+    ErrorCode errorCode = readKeyFile(QString::fromLatin1(amnezia::protocols::xray::PublicKeyPath), outPublicKey);
+    if (errorCode != ErrorCode::NoError) {
+        return errorCode;
+    }
+    return readKeyFile(QString::fromLatin1(amnezia::protocols::xray::shortidPath), outShortId);
+}
+
+QJsonObject XrayConfigurator::mergeStreamSettingsForServerInbound(const XrayServerConfig &srv,
+                                                                  const QJsonObject &existingStreamSettings) const
+{
+    QJsonObject streamSettings = buildStreamSettings(srv, QString());
+
+    if (srv.security != QLatin1String("reality")) {
+        return streamSettings;
+    }
+
+    const QJsonObject newRs = streamSettings[amnezia::protocols::xray::realitySettings].toObject();
+    QJsonObject oldRs = existingStreamSettings[amnezia::protocols::xray::realitySettings].toObject();
+    QJsonObject merged = oldRs.isEmpty() ? newRs : oldRs;
+
+    const QString siteEff = srv.site.isEmpty() ? QString::fromLatin1(amnezia::protocols::xray::defaultSite) : srv.site;
+    const QString sniEff = srv.sni.isEmpty() ? siteEff : srv.sni;
+
+    if (newRs.contains(amnezia::protocols::xray::fingerprint)) {
+        merged[amnezia::protocols::xray::fingerprint] = newRs[amnezia::protocols::xray::fingerprint];
+    }
+    merged[amnezia::protocols::xray::serverNames] = QJsonArray { sniEff };
+    if (!merged.contains(QStringLiteral("dest"))) {
+        merged[QStringLiteral("dest")] = siteEff + QStringLiteral(":443");
+    }
+
+    streamSettings[amnezia::protocols::xray::realitySettings] = merged;
+    return streamSettings;
+}
+
+ErrorCode XrayConfigurator::applyServerSettingsToRemote(const ServerCredentials &credentials, DockerContainer container,
+                                                        ContainerConfig &containerConfig, const DnsSettings &dnsSettings,
+                                                        bool appendNewClient, QString *outClientId)
+{
+    ErrorCode errorCode = ErrorCode::NoError;
+    const auto *xrayCfg = containerConfig.protocolConfig.as<XrayProtocolConfig>();
+    if (!xrayCfg) {
+        logger.error() << "Xray applyServerSettings: missing XrayProtocolConfig";
+        return ErrorCode::InternalError;
+    }
+
+    const XrayServerConfig &srv = xrayCfg->serverConfig;
+    if (srv.isThirdPartyConfig) {
+        logger.info() << "Xray applyServerSettings: skipped (third-party/native profile)";
+        if (outClientId && xrayCfg->hasClientConfig()) {
+            *outClientId = xrayCfg->clientConfig->id;
+        }
+        return ErrorCode::NoError;
+    }
+
+    logger.info() << "Xray applyServerSettings: start"
+                    << "container=" << static_cast<int>(container) << "host=" << credentials.hostName
+                    << "transport=" << srv.transport << "security=" << srv.security << "port=" << srv.port
+                    << "appendClient=" << appendNewClient;
+    QString flowValue = srv.flow;
+    if (flowValue.isEmpty() && srv.security == QLatin1String("reality")) {
+        flowValue = QStringLiteral("xtls-rprx-vision");
+    }
+
+    QString realityPublicKey;
+    QString realityShortId;
+    if (srv.security == QLatin1String("reality")) {
+        errorCode = readRealityKeyFiles(container, credentials, realityPublicKey, realityShortId);
+        if (errorCode != ErrorCode::NoError) {
+            logger.error() << "Xray applyServerSettings: readRealityKeyFiles failed, error="
+                           << static_cast<int>(errorCode);
+            return errorCode;
+        }
+    }
+
+    QString currentConfig = m_sshSession->getTextFileFromContainer(
+            container, credentials, amnezia::protocols::xray::serverConfigPath, errorCode);
+    if (errorCode != ErrorCode::NoError) {
+        logger.error() << "Xray applyServerSettings: getTextFileFromContainer failed, error="
+                       << static_cast<int>(errorCode) << "path=" << amnezia::protocols::xray::serverConfigPath;
+        return errorCode;
+    }
+    logger.info() << "Xray applyServerSettings: read server config, bytes=" << currentConfig.size();
+
+    QJsonDocument doc = QJsonDocument::fromJson(currentConfig.toUtf8());
+    if (doc.isNull() || !doc.isObject()) {
+        logger.error() << "Failed to parse server config JSON";
+        return ErrorCode::XrayServerConfigInvalid;
+    }
+
+    QJsonObject serverConfig = doc.object();
+    if (!serverConfig.contains(amnezia::protocols::xray::inbounds)) {
+        logger.error() << "Server config missing 'inbounds' field";
+        return ErrorCode::XrayServerConfigInvalid;
+    }
+
+    QJsonArray inbounds = serverConfig[amnezia::protocols::xray::inbounds].toArray();
+    if (inbounds.isEmpty()) {
+        logger.error() << "Server config has empty 'inbounds' array";
+        return ErrorCode::XrayServerConfigInvalid;
+    }
+
+    QJsonObject inbound = inbounds[0].toObject();
+    if (!inbound.contains(amnezia::protocols::xray::settings)) {
+        logger.error() << "Inbound missing 'settings' field";
+        return ErrorCode::XrayServerConfigInvalid;
+    }
+
+    const QJsonObject existingStream = inbound[amnezia::protocols::xray::streamSettings].toObject();
+    inbound[amnezia::protocols::xray::streamSettings] = mergeStreamSettingsForServerInbound(srv, existingStream);
+
+    if (!srv.port.isEmpty()) {
+        inbound[amnezia::protocols::xray::port] = srv.port.toInt();
+    }
+
+    QJsonObject settings = inbound[amnezia::protocols::xray::settings].toObject();
+    if (!settings.contains(amnezia::protocols::xray::clients)) {
+        settings[amnezia::protocols::xray::clients] = QJsonArray {};
+    }
+
+    QJsonArray clients = settings[amnezia::protocols::xray::clients].toArray();
+    QString clientId;
+
+    if (appendNewClient) {
+        clientId = QUuid::createUuid().toString(QUuid::WithoutBraces);
+        QJsonObject clientEntry;
+        clientEntry[amnezia::protocols::xray::id] = clientId;
+        if (!flowValue.isEmpty()) {
+            clientEntry[amnezia::protocols::xray::flow] = flowValue;
+        }
+        clients.append(clientEntry);
+    } else {
+        if (clients.isEmpty()) {
+            logger.error() << "Server config has no VLESS clients";
+            return ErrorCode::XrayServerNoVlessClients;
+        }
+        clientId = clients[0].toObject()[amnezia::protocols::xray::id].toString();
+        if (clientId.isEmpty()) {
+            logger.error() << "Server config VLESS client has empty id";
+            return ErrorCode::XrayServerNoVlessClients;
+        }
+        QJsonArray updatedClients;
+        for (const QJsonValue &v : clients) {
+            QJsonObject c = v.toObject();
+            if (flowValue.isEmpty()) {
+                c.remove(amnezia::protocols::xray::flow);
+            } else {
+                c[amnezia::protocols::xray::flow] = flowValue;
+            }
+            updatedClients.append(c);
+        }
+        clients = updatedClients;
+    }
+
+    settings[amnezia::protocols::xray::clients] = clients;
+    inbound[amnezia::protocols::xray::settings] = settings;
+    inbounds[0] = inbound;
+    serverConfig[amnezia::protocols::xray::inbounds] = inbounds;
+
+    errorCode = uploadServerConfigJson(credentials, container, dnsSettings, serverConfig);
+    if (errorCode != ErrorCode::NoError) {
+        logger.error() << "Xray applyServerSettings: upload/restart failed, error=" << static_cast<int>(errorCode);
+        return errorCode;
+    }
+    logger.info() << "Xray applyServerSettings: server config uploaded and container restarted";
+
+    if (outClientId) {
+        *outClientId = clientId;
+    }
+
+    XrayProtocolConfig updated =
+            buildClientProtocolConfig(credentials, container, srv, clientId, errorCode, realityPublicKey, realityShortId);
+    if (errorCode != ErrorCode::NoError) {
+        logger.error() << "Xray applyServerSettings: buildClientProtocolConfig failed, error="
+                       << static_cast<int>(errorCode);
+        return errorCode;
+    }
+    containerConfig.protocolConfig = updated;
+    logger.info() << "Xray applyServerSettings: done, clientId=" << clientId;
+    return ErrorCode::NoError;
+}
+
 QString XrayConfigurator::prepareServerConfig(const ServerCredentials &credentials, DockerContainer container,
                                                const ContainerConfig &containerConfig,
                                                const DnsSettings &dnsSettings,
                                                ErrorCode &errorCode)
 {
-    // Generate new UUID for client
-    QString clientId = QUuid::createUuid().toString(QUuid::WithoutBraces);
-    
-    // Get current server config
-    QString currentConfig = m_sshSession->getTextFileFromContainer(
-        container, credentials, amnezia::protocols::xray::serverConfigPath, errorCode);
-    
-    if (errorCode != ErrorCode::NoError) {
-        logger.error() << "Failed to get server config file";
-        return "";
+    ContainerConfig mutableConfig = containerConfig;
+    QString clientId;
+    const ErrorCode applyError =
+            applyServerSettingsToRemote(credentials, container, mutableConfig, dnsSettings, true, &clientId);
+    errorCode = applyError;
+    if (applyError != ErrorCode::NoError || clientId.isEmpty()) {
+        return QString();
     }
-
-    // Parse current config as JSON
-    QJsonDocument doc = QJsonDocument::fromJson(currentConfig.toUtf8());
-    if (doc.isNull() || !doc.isObject()) {
-        logger.error() << "Failed to parse server config JSON";
-        errorCode = ErrorCode::InternalError;
-        return "";
-    }
-
-    QJsonObject serverConfig = doc.object();
-    
-    // Validate server config structure
-    if (!serverConfig.contains(amnezia::protocols::xray::inbounds)) {
-        logger.error() << "Server config missing 'inbounds' field";
-        errorCode = ErrorCode::InternalError;
-        return "";
-    }
-
-    QJsonArray inbounds = serverConfig[amnezia::protocols::xray::inbounds].toArray();
-    if (inbounds.isEmpty()) {
-        logger.error() << "Server config has empty 'inbounds' array";
-        errorCode = ErrorCode::InternalError;
-        return "";
-    }
-    
-    QJsonObject inbound = inbounds[0].toObject();
-    if (!inbound.contains(amnezia::protocols::xray::settings)) {
-        logger.error() << "Inbound missing 'settings' field";
-        errorCode = ErrorCode::InternalError;
-        return "";
-    }
-
-    QJsonObject settings = inbound[amnezia::protocols::xray::settings].toObject();
-    if (!settings.contains(amnezia::protocols::xray::clients)) {
-        logger.error() << "Settings missing 'clients' field";
-        errorCode = ErrorCode::InternalError;
-        return "";
-    }
-
-    QJsonArray clients = settings[amnezia::protocols::xray::clients].toArray();
-    
-    // Create configuration for new client
-    QJsonObject clientConfig {
-        {amnezia::protocols::xray::id, clientId},
-        {amnezia::protocols::xray::flow, "xtls-rprx-vision"}
-    };
-    
-    clients.append(clientConfig);
-    
-    // Update config
-    settings[amnezia::protocols::xray::clients] = clients;
-    inbound[amnezia::protocols::xray::settings] = settings;
-    inbounds[0] = inbound;
-    serverConfig[amnezia::protocols::xray::inbounds] = inbounds;
-    
-    // Save updated config to server
-    QString updatedConfig = QJsonDocument(serverConfig).toJson();
-    errorCode = m_sshSession->uploadTextFileToContainer(
-        container, 
-        credentials, 
-        updatedConfig,
-        amnezia::protocols::xray::serverConfigPath,
-        libssh::ScpOverwriteMode::ScpOverwriteExisting
-    );
-    if (errorCode != ErrorCode::NoError) {
-        logger.error() << "Failed to upload updated config";
-        return "";
-    }
-
-    // Restart container
-    QString restartScript = QString("sudo docker restart $CONTAINER_NAME");
-    errorCode = m_sshSession->runScript(
-        credentials, 
-        m_sshSession->replaceVars(restartScript, amnezia::genBaseVars(credentials, container, dnsSettings.primaryDns, dnsSettings.secondaryDns))
-    );
-
-    if (errorCode != ErrorCode::NoError) {
-        logger.error() << "Failed to restart container";
-        return "";
-    }
-
     return clientId;
 }
 
-ProtocolConfig XrayConfigurator::createConfig(const ServerCredentials &credentials, DockerContainer container,
-                                               const ContainerConfig &containerConfig,
-                                               const DnsSettings &dnsSettings,
-                                               ErrorCode &errorCode)
+XrayProtocolConfig XrayConfigurator::buildClientProtocolConfig(const ServerCredentials &credentials,
+                                                               DockerContainer container,
+                                                               const XrayServerConfig &srv, const QString &clientId,
+                                                               ErrorCode &errorCode,
+                                                               const QString &prefetchedRealityPublicKey,
+                                                               const QString &prefetchedRealityShortId) const
 {
-    const XrayServerConfig* serverConfig = nullptr;
-    if (auto* xrayConfig = containerConfig.protocolConfig.as<XrayProtocolConfig>()) {
-        serverConfig = &xrayConfig->serverConfig;
+    QString xrayPublicKey = prefetchedRealityPublicKey;
+    QString xrayShortId = prefetchedRealityShortId;
+
+    if (srv.security == QLatin1String("reality")) {
+        if (xrayPublicKey.isEmpty() || xrayShortId.isEmpty()) {
+            errorCode = readRealityKeyFiles(container, credentials, xrayPublicKey, xrayShortId);
+            if (errorCode != ErrorCode::NoError) {
+                return {};
+            }
+        }
     }
-    
+
+    QJsonObject userObj;
+    userObj[amnezia::protocols::xray::id] = clientId;
+    userObj[amnezia::protocols::xray::encryption] = QStringLiteral("none");
+    if (!srv.flow.isEmpty()) {
+        userObj[amnezia::protocols::xray::flow] = srv.flow;
+    }
+
+    QJsonObject vnextEntry;
+    vnextEntry[amnezia::protocols::xray::address] = credentials.hostName;
+    vnextEntry[amnezia::protocols::xray::port] =
+            srv.port.isEmpty() ? QString(amnezia::protocols::xray::defaultPort).toInt() : srv.port.toInt();
+    vnextEntry[amnezia::protocols::xray::users] = QJsonArray { userObj };
+
+    QJsonObject outboundSettings;
+    outboundSettings[amnezia::protocols::xray::vnext] = QJsonArray { vnextEntry };
+
+    QJsonObject outbound;
+    outbound[QStringLiteral("protocol")] = QStringLiteral("vless");
+    outbound[amnezia::protocols::xray::settings] = outboundSettings;
+
+    QJsonObject streamObj = buildStreamSettings(srv, clientId);
+    if (srv.security == QLatin1String("reality")) {
+        QJsonObject rs = streamObj[amnezia::protocols::xray::realitySettings].toObject();
+        rs[amnezia::protocols::xray::publicKey] = xrayPublicKey;
+        rs[amnezia::protocols::xray::shortId] = xrayShortId;
+        rs[amnezia::protocols::xray::spiderX] = QString();
+        streamObj[amnezia::protocols::xray::realitySettings] = rs;
+    }
+
+    outbound[amnezia::protocols::xray::streamSettings] = streamObj;
+
+    QJsonObject inboundObj;
+    inboundObj[QStringLiteral("listen")] = amnezia::protocols::xray::defaultLocalListenAddr;
+    inboundObj[amnezia::protocols::xray::port] = amnezia::protocols::xray::defaultLocalProxyPort;
+    inboundObj[QStringLiteral("protocol")] = QStringLiteral("socks");
+    inboundObj[amnezia::protocols::xray::settings] = QJsonObject { { QStringLiteral("udp"), true } };
+
+    QJsonObject clientJson;
+    clientJson[QStringLiteral("log")] = QJsonObject { { QStringLiteral("loglevel"), QStringLiteral("error") } };
+    clientJson[amnezia::protocols::xray::inbounds] = QJsonArray { inboundObj };
+    clientJson[amnezia::protocols::xray::outbounds] = QJsonArray { outbound };
+
+    const QString config = QString::fromUtf8(QJsonDocument(clientJson).toJson(QJsonDocument::Compact));
+
+    XrayProtocolConfig protocolConfig;
+    protocolConfig.serverConfig = srv;
+
+    XrayClientConfig clientConfig;
+    clientConfig.nativeConfig = config;
+    clientConfig.localPort = QString(amnezia::protocols::xray::defaultLocalProxyPort);
+    clientConfig.id = clientId;
+    protocolConfig.setClientConfig(clientConfig);
+
+    return protocolConfig;
+}
+
+QJsonObject XrayConfigurator::buildStreamSettings(const XrayServerConfig &srv, const QString &clientId) const
+{
+    QJsonObject streamSettings;
+    const auto &xhttp = srv.xhttp;
+    const auto &mkcp = srv.mkcp;
+    namespace px = amnezia::protocols::xray;
+
+    QString networkValue = QStringLiteral("tcp");
+    if (srv.transport == QLatin1String("xhttp"))
+        networkValue = QStringLiteral("xhttp");
+    else if (srv.transport == QLatin1String("mkcp"))
+        networkValue = QStringLiteral("kcp");
+    streamSettings[px::network] = networkValue;
+
+    streamSettings[px::security] = srv.security;
+
+    if (srv.security == QLatin1String("tls")) {
+        QJsonObject tlsSettings;
+        const QString sniEff = srv.sni.isEmpty() ? QString::fromLatin1(px::defaultSni) : srv.sni;
+        tlsSettings[px::serverName] = sniEff;
+        const QString alpnEff = srv.alpn.isEmpty() ? QString::fromLatin1(px::defaultAlpn) : srv.alpn;
+        QJsonArray alpnArray;
+        for (const QString &a : alpnEff.split(QLatin1Char(','))) {
+            const QString t = a.trimmed();
+            if (!t.isEmpty())
+                alpnArray.append(t);
+        }
+        if (!alpnArray.isEmpty())
+            tlsSettings[QStringLiteral("alpn")] = alpnArray;
+        const QString fpEff = srv.fingerprint.isEmpty() ? QString::fromLatin1(px::defaultFingerprint) : srv.fingerprint;
+        tlsSettings[px::fingerprint] = fpEff;
+        streamSettings[QStringLiteral("tlsSettings")] = tlsSettings;
+    }
+
+    if (srv.security == QLatin1String("reality")) {
+        QJsonObject realSettings;
+        const QString fpEff = srv.fingerprint.isEmpty() ? QString::fromLatin1(px::defaultFingerprint) : srv.fingerprint;
+        realSettings[px::fingerprint] = fpEff;
+        const QString sniEff = srv.sni.isEmpty() ? QString::fromLatin1(px::defaultSni) : srv.sni;
+        realSettings[px::serverName] = sniEff;
+        streamSettings[px::realitySettings] = realSettings;
+    }
+
+    // XHTTP — JSON must match Xray-core SplitHTTPConfig (flat xPadding fields, see transport_internet.go)
+    if (srv.transport == QLatin1String("xhttp")) {
+        QJsonObject xo;
+        const QString hostEff = xhttp.host.isEmpty() ? QString::fromLatin1(px::defaultXhttpHost) : xhttp.host;
+        xo[QStringLiteral("host")] = hostEff;
+        if (!xhttp.path.isEmpty())
+            xo[QStringLiteral("path")] = xhttp.path;
+        xo[QStringLiteral("mode")] = normalizeXhttpMode(xhttp.mode);
+
+        if (xhttp.headersTemplate.compare(QLatin1String("HTTP"), Qt::CaseInsensitive) == 0) {
+            QJsonObject headers;
+            headers[QStringLiteral("Host")] = hostEff;
+            xo[QStringLiteral("headers")] = headers;
+        }
+
+        const QString methodEff =
+                xhttp.uplinkMethod.isEmpty() ? QString::fromLatin1(px::defaultXhttpUplinkMethod) : xhttp.uplinkMethod;
+        xo[QStringLiteral("uplinkHTTPMethod")] = methodEff.toUpper();
+
+        xo[QStringLiteral("noGRPCHeader")] = xhttp.disableGrpc;
+        xo[QStringLiteral("noSSEHeader")] = xhttp.disableSse;
+
+        const QString sessPl = normalizeSessionSeqPlacement(xhttp.sessionPlacement);
+        if (!sessPl.isEmpty())
+            xo[QStringLiteral("sessionPlacement")] = sessPl;
+        const QString seqPl = normalizeSessionSeqPlacement(xhttp.seqPlacement);
+        if (!seqPl.isEmpty())
+            xo[QStringLiteral("seqPlacement")] = seqPl;
+        if (!xhttp.sessionKey.isEmpty())
+            xo[QStringLiteral("sessionKey")] = xhttp.sessionKey;
+        if (!xhttp.seqKey.isEmpty())
+            xo[QStringLiteral("seqKey")] = xhttp.seqKey;
+
+        xo[QStringLiteral("uplinkDataPlacement")] = normalizeUplinkDataPlacement(xhttp.uplinkDataPlacement);
+        if (!xhttp.uplinkDataKey.isEmpty())
+            xo[QStringLiteral("uplinkDataKey")] = xhttp.uplinkDataKey;
+
+        const QString ucs = xhttp.uplinkChunkSize.isEmpty() ? QString::fromLatin1(px::defaultXhttpUplinkChunkSize)
+                                                            : xhttp.uplinkChunkSize;
+        if (!ucs.isEmpty() && ucs != QLatin1String("0")) {
+            const int v = ucs.toInt();
+            QJsonObject chunkR;
+            chunkR[QStringLiteral("from")] = v;
+            chunkR[QStringLiteral("to")] = v;
+            xo[QStringLiteral("uplinkChunkSize")] = chunkR;
+        }
+
+        if (!xhttp.scMaxBufferedPosts.isEmpty())
+            xo[QStringLiteral("scMaxBufferedPosts")] = xhttp.scMaxBufferedPosts.toLongLong();
+
+        putIntRangeIfAny(xo, "scMaxEachPostBytes", xhttp.scMaxEachPostBytesMin, xhttp.scMaxEachPostBytesMax,
+                         px::defaultXhttpScMaxEachPostBytesMin, px::defaultXhttpScMaxEachPostBytesMax);
+        putIntRangeIfAny(xo, "scMinPostsIntervalMs", xhttp.scMinPostsIntervalMsMin, xhttp.scMinPostsIntervalMsMax,
+                         px::defaultXhttpScMinPostsIntervalMsMin, px::defaultXhttpScMinPostsIntervalMsMax);
+        putIntRangeIfAny(xo, "scStreamUpServerSecs", xhttp.scStreamUpServerSecsMin, xhttp.scStreamUpServerSecsMax,
+                         px::defaultXhttpScStreamUpServerSecsMin, px::defaultXhttpScStreamUpServerSecsMax);
+
+        const auto &pad = xhttp.xPadding;
+        xo[QStringLiteral("xPaddingObfsMode")] = pad.obfsMode;
+        if (pad.obfsMode) {
+            if (!pad.bytesMin.isEmpty() || !pad.bytesMax.isEmpty()) {
+                QJsonObject br;
+                br[QStringLiteral("from")] = pad.bytesMin.isEmpty() ? 1 : pad.bytesMin.toInt();
+                br[QStringLiteral("to")] = pad.bytesMax.isEmpty() ? (pad.bytesMin.isEmpty() ? 256 : pad.bytesMin.toInt())
+                                                                  : pad.bytesMax.toInt();
+                xo[QStringLiteral("xPaddingBytes")] = br;
+            }
+            xo[QStringLiteral("xPaddingKey")] = pad.key.isEmpty() ? QStringLiteral("x_padding") : pad.key;
+            xo[QStringLiteral("xPaddingHeader")] = pad.header.isEmpty() ? QStringLiteral("X-Padding") : pad.header;
+            xo[QStringLiteral("xPaddingPlacement")] = normalizeXPaddingPlacement(
+                    pad.placement.isEmpty() ? QString::fromLatin1(px::defaultXPaddingPlacement) : pad.placement);
+            xo[QStringLiteral("xPaddingMethod")] = normalizeXPaddingMethod(
+                    pad.method.isEmpty() ? QString::fromLatin1(px::defaultXPaddingMethod) : pad.method);
+        }
+
+        // xmux: Xray has no "enabled" flag; omit object when UI disables multiplex tuning.
+        if (xhttp.xmux.enabled) {
+            QJsonObject mux;
+            auto addMuxRange = [&](const char *key, const QString &a, const QString &b) {
+                if (a.isEmpty() && b.isEmpty())
+                    return;
+                QJsonObject r;
+                r[QStringLiteral("from")] = a.isEmpty() ? 0 : a.toInt();
+                r[QStringLiteral("to")] = b.isEmpty() ? 0 : b.toInt();
+                mux[QString::fromUtf8(key)] = r;
+            };
+            addMuxRange("maxConcurrency", xhttp.xmux.maxConcurrencyMin, xhttp.xmux.maxConcurrencyMax);
+            addMuxRange("maxConnections", xhttp.xmux.maxConnectionsMin, xhttp.xmux.maxConnectionsMax);
+            addMuxRange("cMaxReuseTimes", xhttp.xmux.cMaxReuseTimesMin, xhttp.xmux.cMaxReuseTimesMax);
+            addMuxRange("hMaxRequestTimes", xhttp.xmux.hMaxRequestTimesMin, xhttp.xmux.hMaxRequestTimesMax);
+            addMuxRange("hMaxReusableSecs", xhttp.xmux.hMaxReusableSecsMin, xhttp.xmux.hMaxReusableSecsMax);
+            if (!xhttp.xmux.hKeepAlivePeriod.isEmpty())
+                mux[QStringLiteral("hKeepAlivePeriod")] = xhttp.xmux.hKeepAlivePeriod.toLongLong();
+            if (!mux.isEmpty())
+                xo[QStringLiteral("xmux")] = mux;
+        }
+
+        streamSettings[QStringLiteral("xhttpSettings")] = xo;
+    }
+
+    if (srv.transport == QLatin1String("mkcp")) {
+        QJsonObject kcpObj;
+        const QString ttiEff = mkcp.tti.isEmpty() ? QString::fromLatin1(px::defaultMkcpTti) : mkcp.tti;
+        const QString upEff = mkcp.uplinkCapacity.isEmpty() ? QString::fromLatin1(px::defaultMkcpUplinkCapacity)
+                                                            : mkcp.uplinkCapacity;
+        const QString downEff = mkcp.downlinkCapacity.isEmpty() ? QString::fromLatin1(px::defaultMkcpDownlinkCapacity)
+                                                                : mkcp.downlinkCapacity;
+        const QString rbufEff = mkcp.readBufferSize.isEmpty() ? QString::fromLatin1(px::defaultMkcpReadBufferSize)
+                                                              : mkcp.readBufferSize;
+        const QString wbufEff = mkcp.writeBufferSize.isEmpty() ? QString::fromLatin1(px::defaultMkcpWriteBufferSize)
+                                                               : mkcp.writeBufferSize;
+        kcpObj[QStringLiteral("tti")] = ttiEff.toInt();
+        kcpObj[QStringLiteral("uplinkCapacity")] = upEff.toInt();
+        kcpObj[QStringLiteral("downlinkCapacity")] = downEff.toInt();
+        kcpObj[QStringLiteral("readBufferSize")] = rbufEff.toInt();
+        kcpObj[QStringLiteral("writeBufferSize")] = wbufEff.toInt();
+        kcpObj[QStringLiteral("congestion")] = mkcp.congestion;
+        streamSettings[QStringLiteral("kcpSettings")] = kcpObj;
+    }
+
+    return streamSettings;
+}
+
+ProtocolConfig XrayConfigurator::createConfig(const ServerCredentials &credentials, DockerContainer container,
+                                              const ContainerConfig &containerConfig,
+                                              const DnsSettings &dnsSettings,
+                                              ErrorCode &errorCode)
+{
+    if (const auto *xrayCfg = containerConfig.protocolConfig.as<XrayProtocolConfig>()) {
+        if (xrayCfg->serverConfig.isThirdPartyConfig && xrayCfg->hasClientConfig()) {
+            logger.info() << "Xray createConfig: returning existing third-party client config without server SSH";
+            return *xrayCfg;
+        }
+    }
+
+    const XrayServerConfig *serverConfig = nullptr;
+    if (const auto *xrayCfg = containerConfig.protocolConfig.as<XrayProtocolConfig>()) {
+        serverConfig = &xrayCfg->serverConfig;
+    }
+
+    if (!serverConfig) {
+        logger.error() << "No XrayProtocolConfig found";
+        errorCode = ErrorCode::InternalError;
+        return XrayProtocolConfig{};
+    }
+
+    const XrayServerConfig &srv = *serverConfig;
+
     QString xrayClientId = prepareServerConfig(credentials, container, containerConfig, dnsSettings, errorCode);
     if (errorCode != ErrorCode::NoError || xrayClientId.isEmpty()) {
         logger.error() << "Failed to prepare server config";
-        errorCode = ErrorCode::InternalError;
+        if (errorCode == ErrorCode::NoError) {
+            errorCode = ErrorCode::InternalError;
+        }
         return XrayProtocolConfig{};
     }
 
-    amnezia::ScriptVars vars = amnezia::genBaseVars(credentials, container, dnsSettings.primaryDns, dnsSettings.secondaryDns);
-    vars.append(amnezia::genProtocolVarsForContainer(container, containerConfig));
-    QString config = m_sshSession->replaceVars(amnezia::scriptData(ProtocolScriptType::xray_template, container), vars);
-    
-    if (config.isEmpty()) {
-        logger.error() << "Failed to get config template";
-        errorCode = ErrorCode::InternalError;
-        return XrayProtocolConfig{};
-    }
-
-    QString xrayPublicKey =
-            m_sshSession->getTextFileFromContainer(container, credentials, amnezia::protocols::xray::PublicKeyPath, errorCode);
-    if (errorCode != ErrorCode::NoError || xrayPublicKey.isEmpty()) {
-        logger.error() << "Failed to get public key";
-        errorCode = ErrorCode::InternalError;
-        return XrayProtocolConfig{};
-    }
-    xrayPublicKey.replace("\n", "");
-    
-    QString xrayShortId =
-            m_sshSession->getTextFileFromContainer(container, credentials, amnezia::protocols::xray::shortidPath, errorCode);
-    if (errorCode != ErrorCode::NoError || xrayShortId.isEmpty()) {
-        logger.error() << "Failed to get short ID";
-        errorCode = ErrorCode::InternalError;
-        return XrayProtocolConfig{};
-    }
-    xrayShortId.replace("\n", "");
-
-    if (!config.contains("$XRAY_CLIENT_ID") || !config.contains("$XRAY_PUBLIC_KEY") || !config.contains("$XRAY_SHORT_ID")) {
-        logger.error() << "Config template missing required variables:"
-                      << "XRAY_CLIENT_ID:" << !config.contains("$XRAY_CLIENT_ID")
-                      << "XRAY_PUBLIC_KEY:" << !config.contains("$XRAY_PUBLIC_KEY")
-                      << "XRAY_SHORT_ID:" << !config.contains("$XRAY_SHORT_ID");
-        errorCode = ErrorCode::InternalError;
-        return XrayProtocolConfig{};
-    }
-
-    config.replace("$XRAY_CLIENT_ID", xrayClientId);
-    config.replace("$XRAY_PUBLIC_KEY", xrayPublicKey);
-    config.replace("$XRAY_SHORT_ID", xrayShortId);
-
-    XrayProtocolConfig protocolConfig;
-    if (serverConfig) {
-        protocolConfig.serverConfig = *serverConfig;
-    }
-    
-    XrayClientConfig clientConfig;
-    clientConfig.nativeConfig = config;
-    clientConfig.localPort = "";
-    clientConfig.id = xrayClientId;
-    
-    protocolConfig.setClientConfig(clientConfig);
-    
-    return protocolConfig;
-}
+    return buildClientProtocolConfig(credentials, container, srv, xrayClientId, errorCode);
+}

client/core/configurators/xrayConfigurator.h

@@ -2,11 +2,13 @@
 #define XRAY_CONFIGURATOR_H
 
 #include <QObject>
+#include <QJsonObject>
 
 #include "configuratorBase.h"
 #include "core/utils/errorCodes.h"
 #include "core/utils/routeModes.h"
 #include "core/utils/commonStructs.h"
+#include "core/models/protocols/xrayProtocolConfig.h"
 
 class XrayConfigurator : public ConfiguratorBase
 {
@@ -18,10 +20,42 @@ public:
                                 const amnezia::DnsSettings &dnsSettings,
                                 amnezia::ErrorCode &errorCode) override;
 
+    amnezia::ProtocolConfig processConfigWithLocalSettings(const amnezia::ConnectionSettings &settings,
+                                                           amnezia::ProtocolConfig protocolConfig) override;
+
+    amnezia::ErrorCode applyServerSettingsToRemote(const amnezia::ServerCredentials &credentials,
+                                                   amnezia::DockerContainer container,
+                                                   amnezia::ContainerConfig &containerConfig,
+                                                   const amnezia::DnsSettings &dnsSettings,
+                                                   bool appendNewClient,
+                                                   QString *outClientId = nullptr);
+
 private:
     QString prepareServerConfig(const amnezia::ServerCredentials &credentials, amnezia::DockerContainer container, const amnezia::ContainerConfig &containerConfig,
                                 const amnezia::DnsSettings &dnsSettings,
                                 amnezia::ErrorCode &errorCode);
+
+    amnezia::ErrorCode uploadServerConfigJson(const amnezia::ServerCredentials &credentials, amnezia::DockerContainer container,
+                                              const amnezia::DnsSettings &dnsSettings, const QJsonObject &serverConfig) const;
+
+    amnezia::XrayProtocolConfig buildClientProtocolConfig(const amnezia::ServerCredentials &credentials,
+                                                          amnezia::DockerContainer container,
+                                                          const amnezia::XrayServerConfig &srv,
+                                                          const QString &clientId,
+                                                          amnezia::ErrorCode &errorCode,
+                                                          const QString &prefetchedRealityPublicKey = {},
+                                                          const QString &prefetchedRealityShortId = {}) const;
+
+    amnezia::ErrorCode readRealityKeyFiles(amnezia::DockerContainer container,
+                                           const amnezia::ServerCredentials &credentials,
+                                           QString &outPublicKey,
+                                           QString &outShortId) const;
+
+    QJsonObject mergeStreamSettingsForServerInbound(const amnezia::XrayServerConfig &srv,
+                                                    const QJsonObject &existingStreamSettings) const;
+
+    QJsonObject buildStreamSettings(const amnezia::XrayServerConfig &srv,
+                                    const QString &clientId) const;
 };
 
 #endif // XRAY_CONFIGURATOR_H

client/core/controllers/api/subscriptionController.cpp

@@ -5,6 +5,7 @@
 #include <QEventLoop>
 #include <QFutureWatcher>
 #include <QJsonDocument>
+#include <QJsonObject>
 #include <QPromise>
 #include <QSet>
 #include <QSysInfo>
@@ -32,6 +33,9 @@
 #if defined(Q_OS_IOS) || defined(MACOS_NE)
     #include "platforms/ios/ios_controller.h"
     #include <AmneziaVPN-Swift.h>
+#elif defined(Q_OS_ANDROID)
+    #include "platforms/android/android_controller.h"
+    #include <QtConcurrent>
 #endif
 
 using namespace amnezia;
@@ -216,7 +220,8 @@ ErrorCode SubscriptionController::executeRequest(const QString &endpoint, const
 }
 
 ErrorCode SubscriptionController::importServiceFromGateway(const QString &userCountryCode, const QString &serviceType,
-                                                            const QString &serviceProtocol, const ProtocolData &protocolData)
+                                                            const QString &serviceProtocol, const ProtocolData &protocolData,
+                                                            CaptchaInfo &captchaInfo)
 {
     GatewayRequestData gatewayRequestData { QSysInfo::productType(),
                                             QString(APP_VERSION),
@@ -233,6 +238,19 @@ ErrorCode SubscriptionController::importServiceFromGateway(const QString &userCo
 
     QByteArray responseBody;
     ErrorCode errorCode = executeRequest(QString("%1v1/config"), apiPayload, responseBody);
+
+    if (errorCode == ErrorCode::ApiCaptchaRequiredError) {
+        QJsonDocument jsonDoc = QJsonDocument::fromJson(responseBody);
+        if (jsonDoc.isObject()) {
+            QJsonObject jsonObj = jsonDoc.object();
+            captchaInfo.captchaId = jsonObj.value("captcha_id").toString();
+            captchaInfo.captchaImageBase64 = jsonObj.value("captcha_image").toString();
+            captchaInfo.hint = jsonObj.value("hint").toString();
+            captchaInfo.isRequired = true;
+        }
+        return errorCode;
+    }
+
     if (errorCode != ErrorCode::NoError) {
         return errorCode;
     }
@@ -242,9 +260,9 @@ ErrorCode SubscriptionController::importServiceFromGateway(const QString &userCo
     if (errorCode != ErrorCode::NoError) {
         return errorCode;
     }
-    
+
     updateApiConfigInJson(serverConfigJson, serviceType, serviceProtocol, userCountryCode, responseBody);
-    
+
     if (serverConfigJson.value(configKey::configVersion).toInt() != serverConfigUtils::ConfigSource::AmneziaGateway) {
         return ErrorCode::InternalError;
     }
@@ -312,7 +330,7 @@ ErrorCode SubscriptionController::importTrialFromGateway(const QString &userCoun
     return ErrorCode::NoError;
 }
 
-ErrorCode SubscriptionController::importServiceFromAppStore(const QString &userCountryCode, const QString &serviceType,
+ErrorCode SubscriptionController::importServiceFromMarket(const QString &userCountryCode, const QString &serviceType,
                                                             const QString &serviceProtocol, const ProtocolData &protocolData,
                                                             const QString &transactionId, bool isTestPurchase,
                                                             int *duplicateServerIndex)
@@ -460,6 +478,7 @@ ErrorCode SubscriptionController::updateServiceFromGateway(const QString &server
     
     if (apiV2->nameOverriddenByUser) {
         newApiV2->name = apiV2->name;
+        newApiV2->displayName = apiV2->displayName;
         newApiV2->nameOverriddenByUser = true;
     }
 
@@ -770,7 +789,7 @@ ErrorCode SubscriptionController::processAppStorePurchase(const QString &userCou
     bool isTestPurchase = IosController::Instance()->isTestFlight();
 
     ProtocolData protocolData = generateProtocolData(serviceProtocol);
-    return importServiceFromAppStore(userCountryCode, serviceType, serviceProtocol, protocolData,
+    return importServiceFromMarket(userCountryCode, serviceType, serviceProtocol, protocolData,
                                      originalTransactionId, isTestPurchase, duplicateServerIndex);
 #else
     Q_UNUSED(userCountryCode);
@@ -781,6 +800,117 @@ ErrorCode SubscriptionController::processAppStorePurchase(const QString &userCou
 #endif
 }
 
+ErrorCode SubscriptionController::processPlayMarketPurchase(const QString &userCountryCode, const QString &serviceType,
+                                                             const QString &serviceProtocol, const QString &productId,
+                                                             int *duplicateServerIndex)
+{
+#if defined(Q_OS_ANDROID)
+    auto androidController = AndroidController::instance();
+    QString purchaseToken;
+    bool purchaseOk = false;
+
+    QFutureWatcher<QPair<bool, QString>> watcher;
+    QEventLoop waitLoop;
+    QObject::connect(&watcher, &QFutureWatcher<QPair<bool, QString>>::finished, &waitLoop, &QEventLoop::quit);
+
+    QFuture<QPair<bool, QString>> future = QtConcurrent::run([androidController, productId]() {
+        QJsonObject plansResult = androidController->getSubscriptionPlans();
+        int responseCode = plansResult.value("responseCode").toInt(-1);
+        if (responseCode != 0) {
+            qWarning() << "[Billing] Failed to get subscription plans, responseCode:" << responseCode;
+            return qMakePair(false, QString());
+        }
+        QJsonArray products = plansResult.value("products").toArray();
+        QString offerToken;
+        for (const QJsonValue &productValue : products) {
+            QJsonObject product = productValue.toObject();
+            if (product.value("productId").toString() == productId) {
+                QJsonArray offers = product.value("offers").toArray();
+                if (!offers.isEmpty()) {
+                    offerToken = offers.at(0).toObject().value("offerToken").toString();
+                    qInfo() << "[Billing] Found offer token for product:" << productId;
+                    break;
+                }
+            }
+        }
+        if (offerToken.isEmpty()) {
+            qWarning() << "[Billing] No offer token found for product:" << productId;
+            return qMakePair(false, QString());
+        }
+        QJsonObject purchaseResult = androidController->purchaseSubscription(offerToken);
+        responseCode = purchaseResult.value("responseCode").toInt(-1);
+        if (responseCode != 0) {
+            qWarning() << "[Billing] Purchase failed, responseCode:" << responseCode;
+            return qMakePair(false, QString());
+        }
+        QJsonArray purchases = purchaseResult.value("purchases").toArray();
+        if (purchases.isEmpty()) {
+            qWarning() << "[Billing] Purchase succeeded but no purchases returned";
+            return qMakePair(false, QString());
+        }
+        QJsonObject purchase = purchases.at(0).toObject();
+        QString token = purchase.value("purchaseToken").toString();
+        bool isAcknowledged = purchase.value("isAcknowledged").toBool();
+        qInfo() << "[Billing] Purchase success. purchaseToken:" << token << "isAcknowledged:" << isAcknowledged;
+        if (!isAcknowledged) {
+            QJsonObject ackResult = androidController->acknowledgePurchase(token);
+            if (ackResult.value("responseCode").toInt(-1) != 0) {
+                qWarning() << "[Billing] Acknowledge failed";
+            } else {
+                qInfo() << "[Billing] Purchase acknowledged successfully";
+            }
+        }
+        return qMakePair(true, token);
+    });
+
+    watcher.setFuture(future);
+    waitLoop.exec();
+
+    purchaseOk = watcher.result().first;
+    purchaseToken = watcher.result().second;
+
+    if (!purchaseOk || purchaseToken.isEmpty()) {
+        return ErrorCode::ApiPurchaseError;
+    }
+
+    // First call: determine if this is a test purchase
+    GatewayRequestData checkRequestData { QSysInfo::productType(),
+                                          QString(APP_VERSION),
+                                          m_appSettingsRepository->getAppLanguage().name().split("_").first(),
+                                          m_appSettingsRepository->getInstallationUuid(true),
+                                          userCountryCode,
+                                          "",
+                                          serviceType,
+                                          serviceProtocol,
+                                          QJsonObject() };
+
+    QJsonObject checkPayload = checkRequestData.toJsonObject();
+    checkPayload[apiDefs::key::transactionId] = purchaseToken;
+
+    QByteArray checkResponse;
+    ErrorCode checkError = executeRequest(QString("%1v1/subscriptions"), checkPayload, checkResponse, false);
+    if (checkError != ErrorCode::NoError) {
+        qWarning().noquote() << "[Billing] Initial subscriptions check failed:" << static_cast<int>(checkError);
+        return checkError;
+    }
+
+    QJsonObject checkObject = QJsonDocument::fromJson(checkResponse).object();
+    bool isTestPurchase = checkObject.value(apiDefs::key::isTestPurchase).toBool(false);
+    qInfo().noquote() << "[Billing] Purchase isTestPurchase =" << isTestPurchase;
+
+    // Second call: import service with correct isTestPurchase flag
+    ProtocolData protocolData = generateProtocolData(serviceProtocol);
+    return importServiceFromMarket(userCountryCode, serviceType, serviceProtocol, protocolData,
+                                     purchaseToken, isTestPurchase, duplicateServerIndex);
+#else
+    Q_UNUSED(userCountryCode);
+    Q_UNUSED(serviceType);
+    Q_UNUSED(serviceProtocol);
+    Q_UNUSED(productId);
+    return ErrorCode::ApiPurchaseError;
+#endif
+}
+
 SubscriptionController::AppStoreRestoreResult SubscriptionController::processAppStoreRestore(const QString &userCountryCode, const QString &serviceType,
                                                                                              const QString &serviceProtocol)
 {
@@ -836,7 +966,7 @@ SubscriptionController::AppStoreRestoreResult SubscriptionController::processApp
 
         ProtocolData protocolData = generateProtocolData(serviceProtocol);
         int currentDuplicateServerIndex = -1;
-        ErrorCode errorCode = importServiceFromAppStore(userCountryCode, serviceType, serviceProtocol, protocolData,
+        ErrorCode errorCode = importServiceFromMarket(userCountryCode, serviceType, serviceProtocol, protocolData,
                                                         originalTransactionId, isTestPurchase,
                                                         &currentDuplicateServerIndex);
 
@@ -869,14 +999,146 @@ SubscriptionController::AppStoreRestoreResult SubscriptionController::processApp
 #endif
 }
 
+SubscriptionController::PlayMarketRestoreResult SubscriptionController::processPlayMarketRestore(const QString &userCountryCode, const QString &serviceType,
+                                                                                                  const QString &serviceProtocol)
+{
+    PlayMarketRestoreResult result;
+
+#if defined(Q_OS_ANDROID)
+    auto androidController = AndroidController::instance();
+
+    QJsonObject purchasesResult;
+    {
+        QFutureWatcher<QJsonObject> queryWatcher;
+        QEventLoop queryLoop;
+        QObject::connect(&queryWatcher, &QFutureWatcher<QJsonObject>::finished, &queryLoop, &QEventLoop::quit);
+        QFuture<QJsonObject> queryFuture = QtConcurrent::run([androidController]() {
+            return androidController->queryPurchases();
+        });
+        queryWatcher.setFuture(queryFuture);
+        queryLoop.exec();
+        purchasesResult = queryWatcher.result();
+    }
+
+    int responseCode = purchasesResult.value("responseCode").toInt(-1);
+    if (responseCode != 0) {
+        qWarning().noquote() << "[Billing] queryPurchases failed, responseCode =" << responseCode;
+        result.errorCode = ErrorCode::ApiPurchaseError;
+        return result;
+    }
+
+    QJsonArray purchases = purchasesResult.value("purchases").toArray();
+    if (purchases.isEmpty()) {
+        qInfo().noquote() << "[Billing] Restore completed, but no purchases were found";
+        result.errorCode = ErrorCode::ApiNoPurchasesToRestore;
+        return result;
+    }
+
+    QSet<QString> processedTokens;
+    for (const QJsonValue &purchaseValue : std::as_const(purchases)) {
+        const QJsonObject purchaseObj = purchaseValue.toObject();
+        const QString purchaseToken = purchaseObj.value("purchaseToken").toString();
+
+        if (purchaseToken.isEmpty()) {
+            qWarning().noquote() << "[Billing] Skipping purchase without purchaseToken";
+            continue;
+        }
+
+        if (processedTokens.contains(purchaseToken)) {
+            result.duplicateCount++;
+            continue;
+        }
+        processedTokens.insert(purchaseToken);
+
+        qInfo().noquote() << "[Billing] Restoring subscription with purchaseToken =" << purchaseToken;
+
+        {
+            QFutureWatcher<QJsonObject> ackWatcher;
+            QEventLoop ackLoop;
+            QObject::connect(&ackWatcher, &QFutureWatcher<QJsonObject>::finished, &ackLoop, &QEventLoop::quit);
+            QFuture<QJsonObject> ackFuture = QtConcurrent::run([androidController, purchaseToken]() {
+                return androidController->acknowledgePurchase(purchaseToken);
+            });
+            ackWatcher.setFuture(ackFuture);
+            ackLoop.exec();
+            QJsonObject ackResult = ackWatcher.result();
+            int ackCode = ackResult.value("responseCode").toInt(-1);
+            if (ackCode != 0) {
+                qWarning().noquote() << "[Billing] acknowledgePurchase failed, responseCode =" << ackCode;
+            } else {
+                qInfo().noquote() << "[Billing] Purchase acknowledged successfully";
+            }
+        }
+
+        GatewayRequestData checkRequestData { QSysInfo::productType(),
+                                              QString(APP_VERSION),
+                                              m_appSettingsRepository->getAppLanguage().name().split("_").first(),
+                                              m_appSettingsRepository->getInstallationUuid(true),
+                                              userCountryCode,
+                                              "",
+                                              serviceType,
+                                              serviceProtocol,
+                                              QJsonObject() };
+        QJsonObject checkPayload = checkRequestData.toJsonObject();
+        checkPayload[apiDefs::key::transactionId] = purchaseToken;
+
+        QByteArray checkResponse;
+        ErrorCode checkError = executeRequest(QString("%1v1/subscriptions"), checkPayload, checkResponse, false);
+        if (checkError != ErrorCode::NoError) {
+            qWarning().noquote() << "[Billing] Initial subscriptions check failed:" << static_cast<int>(checkError);
+            result.errorCode = checkError;
+            continue;
+        }
+
+        QJsonObject checkObject = QJsonDocument::fromJson(checkResponse).object();
+        bool isTestPurchase = checkObject.value(apiDefs::key::isTestPurchase).toBool(false);
+        qInfo().noquote() << "[Billing] Purchase isTestPurchase =" << isTestPurchase;
+
+        ProtocolData protocolData = generateProtocolData(serviceProtocol);
+        int currentDuplicateServerIndex = -1;
+        ErrorCode errorCode = importServiceFromMarket(userCountryCode, serviceType, serviceProtocol, protocolData,
+                                                        purchaseToken, isTestPurchase,
+                                                        &currentDuplicateServerIndex);
+
+        if (errorCode == ErrorCode::ApiConfigAlreadyAdded) {
+            result.duplicateConfigAlreadyPresent = true;
+            if (result.duplicateServerIndex < 0) {
+                result.duplicateServerIndex = currentDuplicateServerIndex;
+            }
+            qInfo().noquote() << "[Billing] Skipping purchase" << purchaseToken
+                              << "because subscription config with the same vpn_key already exists";
+        } else if (errorCode != ErrorCode::NoError) {
+            qWarning().noquote() << "[Billing] Failed to process restored subscription for purchaseToken =" << purchaseToken;
+            result.errorCode = errorCode;
+        } else {
+            result.hasInstalledConfig = true;
+        }
+    }
+
+    if (!result.hasInstalledConfig) {
+        result.errorCode = result.duplicateConfigAlreadyPresent ? ErrorCode::ApiConfigAlreadyAdded : ErrorCode::ApiNoPurchasesToRestore;
+    }
+
+    return result;
+#else
+    Q_UNUSED(userCountryCode);
+    Q_UNUSED(serviceType);
+    Q_UNUSED(serviceProtocol);
+    result.errorCode = ErrorCode::ApiPurchaseError;
+    return result;
+#endif
+}
+
 ErrorCode SubscriptionController::getAccountInfo(const QString &serverId, QJsonObject &accountInfo)
 {
-    auto apiV2 = m_serversRepository->apiV2Config(serverId);
-    if (!apiV2.has_value()) {
+    auto apiV2Opt = m_serversRepository->apiV2Config(serverId);
+    if (!apiV2Opt.has_value()) {
         return ErrorCode::InternalError;
     }
+
+    const ApiV2ServerConfig* apiV2 = &apiV2Opt.value();
     bool isTestPurchase = apiV2->apiConfig.isTestPurchase;
-    
+
     QJsonObject authDataJson = apiV2->authData.toJson();
     GatewayRequestData gatewayRequestData { QSysInfo::productType(),
                                             QString(APP_VERSION),
@@ -955,3 +1217,74 @@ QFuture<QPair<ErrorCode, QString>> SubscriptionController::getRenewalLink(const
     return promise->future();
 }
 
+ErrorCode SubscriptionController::resolveImportServiceCaptcha(const QString &userCountryCode,
+                                                              const QString &serviceType,
+                                                              const QString &serviceProtocol,
+                                                              const ProtocolData &protocolData,
+                                                              const QString &captchaId,
+                                                              const QString &captchaSolution,
+                                                              CaptchaInfo *retryCaptchaOut)
+{
+    GatewayRequestData gatewayRequestData{QSysInfo::productType(),
+                                          QString(APP_VERSION),
+                                          m_appSettingsRepository->getAppLanguage().name().split("_").first(),
+                                          m_appSettingsRepository->getInstallationUuid(true),
+                                          userCountryCode,
+                                          "",
+                                          serviceType,
+                                          serviceProtocol,
+                                          QJsonObject()};
+
+    QJsonObject apiPayload = gatewayRequestData.toJsonObject();
+    appendProtocolDataToApiPayload(serviceProtocol, protocolData, apiPayload);
+
+    apiPayload["captcha_id"] = captchaId;
+    QString normalizedSolution;
+    normalizedSolution.reserve(captchaSolution.size());
+    for (const QChar &ch : captchaSolution) {
+        const ushort u = ch.unicode();
+        if (u >= '0' && u <= '9') {
+            normalizedSolution += ch;
+        } else if (u >= 0xFF10 && u <= 0xFF19) {
+            normalizedSolution += QChar(static_cast<char16_t>(u - 0xFF10 + '0'));
+        }
+    }
+    apiPayload["captcha_solution"] = normalizedSolution.isEmpty() ? captchaSolution.trimmed() : normalizedSolution;
+
+    QByteArray responseBody;
+    ErrorCode errorCode = executeRequest(QString("%1v1/config"), apiPayload, responseBody);
+    if (errorCode != ErrorCode::NoError) {
+        if (retryCaptchaOut
+            && (errorCode == ErrorCode::ApiCaptchaInvalidError || errorCode == ErrorCode::ApiCaptchaRefreshError
+                || errorCode == ErrorCode::ApiCaptchaRequiredError)) {
+            const QJsonDocument jsonDoc = QJsonDocument::fromJson(responseBody);
+            if (jsonDoc.isObject()) {
+                const QJsonObject jsonObj = jsonDoc.object();
+                if (jsonObj.contains(QStringLiteral("captcha_id")) && jsonObj.contains(QStringLiteral("captcha_image"))) {
+                    retryCaptchaOut->captchaId = jsonObj.value(QStringLiteral("captcha_id")).toString();
+                    retryCaptchaOut->captchaImageBase64 = jsonObj.value(QStringLiteral("captcha_image")).toString();
+                    retryCaptchaOut->hint = jsonObj.value(QStringLiteral("hint")).toString();
+                    retryCaptchaOut->isRequired = true;
+                }
+            }
+        }
+        return errorCode;
+    }
+
+    QJsonObject serverConfigJson;
+    errorCode = extractServerConfigJsonFromResponse(responseBody, serviceProtocol, protocolData, serverConfigJson);
+    if (errorCode != ErrorCode::NoError) {
+        return errorCode;
+    }
+
+    updateApiConfigInJson(serverConfigJson, serviceType, serviceProtocol, userCountryCode, responseBody);
+
+    if (serverConfigJson.value(configKey::configVersion).toInt() != serverConfigUtils::ConfigSource::AmneziaGateway) {
+        return ErrorCode::InternalError;
+    }
+
+    ApiV2ServerConfig apiV2ServerConfig = ApiV2ServerConfig::fromJson(serverConfigJson);
+    m_serversRepository->addServer(QString(), apiV2ServerConfig.toJson(),
+                                   serverConfigUtils::configTypeFromJson(apiV2ServerConfig.toJson()));
+    return ErrorCode::NoError;
+}

client/core/controllers/api/subscriptionController.h

@@ -42,6 +42,13 @@ public:
         QJsonObject toJsonObject() const;
     };
 
+    struct CaptchaInfo {
+        QString captchaId;
+        QString captchaImageBase64;
+        QString hint;
+        bool isRequired = false;
+    };
+
     explicit SubscriptionController(SecureServersRepository* serversRepository,
                                      SecureAppSettingsRepository* appSettingsRepository);
 
@@ -49,11 +56,12 @@ public:
     void appendProtocolDataToApiPayload(const QString &protocol, const ProtocolData &protocolData, QJsonObject &apiPayload);
 
     ErrorCode importServiceFromGateway(const QString &userCountryCode, const QString &serviceType,
-                                      const QString &serviceProtocol, const ProtocolData &protocolData);
+                                      const QString &serviceProtocol, const ProtocolData &protocolData,
+                                      CaptchaInfo &captchaInfo);
     ErrorCode importTrialFromGateway(const QString &userCountryCode, const QString &serviceType,
                                      const QString &serviceProtocol, const QString &email);
 
-    ErrorCode importServiceFromAppStore(const QString &userCountryCode, const QString &serviceType,
+    ErrorCode importServiceFromMarket(const QString &userCountryCode, const QString &serviceType,
                                         const QString &serviceProtocol, const ProtocolData &protocolData,
                                         const QString &transactionId, bool isTestPurchase,
                                         int *duplicateServerIndex = nullptr);
@@ -91,13 +99,34 @@ public:
         ErrorCode errorCode = ErrorCode::NoError;
     };
 
+    struct PlayMarketRestoreResult
+    {
+        bool hasInstalledConfig = false;
+        bool duplicateConfigAlreadyPresent = false;
+        int duplicateCount = 0;
+        int duplicateServerIndex = -1;
+        ErrorCode errorCode = ErrorCode::NoError;
+    };
+
     ErrorCode processAppStorePurchase(const QString &userCountryCode, const QString &serviceType,
                                      const QString &serviceProtocol, const QString &productId,
                                      int *duplicateServerIndex = nullptr);
 
+    ErrorCode processPlayMarketPurchase(const QString &userCountryCode, const QString &serviceType,
+                                        const QString &serviceProtocol, const QString &productId,
+                                        int *duplicateServerIndex = nullptr);
+
     AppStoreRestoreResult processAppStoreRestore(const QString &userCountryCode, const QString &serviceType,
                                                   const QString &serviceProtocol);
 
+    ErrorCode resolveImportServiceCaptcha(const QString &userCountryCode, const QString &serviceType,
+                                          const QString &serviceProtocol, const ProtocolData &protocolData,
+                                          const QString &captchaId, const QString &captchaSolution,
+                                          CaptchaInfo *retryCaptchaOut = nullptr);
+
+    PlayMarketRestoreResult processPlayMarketRestore(const QString &userCountryCode, const QString &serviceType,
+                                                     const QString &serviceProtocol);
+
 private:
     ErrorCode executeRequest(const QString &endpoint, const QJsonObject &apiPayload, QByteArray &responseBody, bool isTestPurchase = false);
     bool isApiKeyExpired(const QString &serverId) const;

client/core/controllers/connectionController.cpp

@@ -6,9 +6,7 @@
 #include "core/utils/protocolEnum.h"
 #include "core/protocols/protocolUtils.h"
 #include "core/utils/constants/configKeys.h"
-#include "core/utils/constants/protocolConstants.h"
 #include "core/utils/utilities.h"
-#include "core/utils/networkUtilities.h"
 #include "core/utils/serverConfigUtils.h"
 #include "version.h"
 #include "core/utils/containerEnum.h"
@@ -67,13 +65,15 @@ ErrorCode ConnectionController::prepareConnection(const QString &serverId,
     bool isApiConfig = false;
 
     const auto kind = m_serversRepository->serverKind(serverId);
+    const QString primaryDns = m_appSettingsRepository->primaryDns();
+    const QString secondaryDns = m_appSettingsRepository->secondaryDns();
     switch (kind) {
     case serverConfigUtils::ConfigType::SelfHostedAdmin: {
         const auto cfg = m_serversRepository->selfHostedAdminConfig(serverId);
         if (!cfg.has_value()) return ErrorCode::InternalError;
         container = cfg->defaultContainer;
         containerConfigModel = cfg->containerConfig(container);
-        dns = { cfg->dns1, cfg->dns2 };
+        dns = cfg->getDnsPair(m_appSettingsRepository->useAmneziaDns(), primaryDns, secondaryDns);
         hostName = cfg->hostName;
         description = cfg->description;
         break;
@@ -83,7 +83,7 @@ ErrorCode ConnectionController::prepareConnection(const QString &serverId,
         if (!cfg.has_value()) return ErrorCode::InternalError;
         container = cfg->defaultContainer;
         containerConfigModel = cfg->containerConfig(container);
-        dns = { cfg->dns1, cfg->dns2 };
+        dns = cfg->getDnsPair(primaryDns, secondaryDns);
         hostName = cfg->hostName;
         description = cfg->description;
         break;
@@ -93,7 +93,7 @@ ErrorCode ConnectionController::prepareConnection(const QString &serverId,
         if (!cfg.has_value()) return ErrorCode::InternalError;
         container = cfg->defaultContainer;
         containerConfigModel = cfg->containerConfig(container);
-        dns = { cfg->dns1, cfg->dns2 };
+        dns = cfg->getDnsPair(primaryDns, secondaryDns);
         hostName = cfg->hostName;
         description = cfg->description;
         break;
@@ -105,7 +105,7 @@ ErrorCode ConnectionController::prepareConnection(const QString &serverId,
         if (!cfg.has_value()) return ErrorCode::InternalError;
         container = cfg->defaultContainer;
         containerConfigModel = cfg->containerConfig(container);
-        dns = { cfg->dns1, cfg->dns2 };
+        dns = cfg->getDnsPair(primaryDns, secondaryDns);
         hostName = cfg->hostName;
         description = cfg->description;
         configVersion = serverConfigUtils::ConfigSource::AmneziaGateway;
@@ -123,16 +123,6 @@ ErrorCode ConnectionController::prepareConnection(const QString &serverId,
     if (!isContainerSupported(container)) {
         return ErrorCode::NotSupportedOnThisPlatform;
     }
-    if (dns.first.isEmpty() || !NetworkUtilities::checkIPv4Format(dns.first)) {
-        if (m_appSettingsRepository->useAmneziaDns()) {
-            dns.first = protocols::dns::amneziaDnsIp;
-        } else {
-            dns.first = m_appSettingsRepository->primaryDns();
-        }
-    }
-    if (dns.second.isEmpty() || !NetworkUtilities::checkIPv4Format(dns.second)) {
-        dns.second = m_appSettingsRepository->secondaryDns();
-    }
 
     vpnConfiguration = createConnectionConfiguration(dns, isApiConfig, hostName, description, configVersion,
                                                      containerConfigModel, container);

client/core/controllers/coreController.cpp

@@ -86,6 +86,9 @@ void CoreController::initModels()
     m_xrayConfigModel = new XrayConfigModel(this);
     setQmlContextProperty("XrayConfigModel", m_xrayConfigModel);
 
+    m_xrayConfigSnapshotsModel = new XrayConfigSnapshotsModel(m_appSettingsRepository, m_xrayConfigModel, this);
+    setQmlContextProperty("XrayConfigSnapshotsModel", m_xrayConfigSnapshotsModel);
+
     m_torConfigModel = new TorConfigModel(this);
     setQmlContextProperty("TorConfigModel", m_torConfigModel);
 
@@ -100,6 +103,12 @@ void CoreController::initModels()
     m_socks5ConfigModel = new Socks5ProxyConfigModel(this);
     setQmlContextProperty("Socks5ProxyConfigModel", m_socks5ConfigModel);
 
+    m_mtProxyConfigModel = new MtProxyConfigModel(this);
+    setQmlContextProperty("MtProxyConfigModel", m_mtProxyConfigModel);
+
+    m_telemtConfigModel = new TelemtConfigModel(this);
+    setQmlContextProperty("TelemtConfigModel", m_telemtConfigModel);
+
     m_clientManagementModel = new ClientManagementModel(this);
     setQmlContextProperty("ClientManagementModel", m_clientManagementModel);
 
@@ -169,7 +178,8 @@ void CoreController::initControllers()
 #ifdef Q_OS_WINDOWS
                                                      m_ikev2ConfigModel,
 #endif
-                                                     m_sftpConfigModel, m_socks5ConfigModel, this);
+                                                     m_sftpConfigModel, m_socks5ConfigModel, m_mtProxyConfigModel, m_telemtConfigModel,
+                                                     m_connectionController, this);
     setQmlContextProperty("InstallController", m_installUiController);
 
     m_importController = new ImportUiController(m_importCoreController, this);
@@ -202,12 +212,17 @@ void CoreController::initControllers()
     m_systemController = new SystemController(this);
     setQmlContextProperty("SystemController", m_systemController);
 
+    m_networkReachabilityController = new NetworkReachabilityController(this);
+    setQmlContextProperty("NetworkReachabilityController", m_networkReachabilityController);
+    setQmlContextProperty("NetworkReachability", m_networkReachabilityController);
+
     m_servicesCatalogUiController = new ServicesCatalogUiController(m_servicesCatalogController, m_apiServicesModel, this);
     setQmlContextProperty("ServicesCatalogUiController", m_servicesCatalogUiController);
 
     m_subscriptionUiController = new SubscriptionUiController(m_serversController, m_apiServicesModel, m_servicesCatalogController, m_subscriptionController,
                                                               m_apiSubscriptionPlansModel, m_apiBenefitsModel, m_apiAccountInfoModel,
-                                                              m_apiCountryModel, m_apiDevicesModel, m_settingsController, this);
+                                                              m_apiCountryModel, m_apiDevicesModel, m_settingsController,
+                                                              m_connectionController, this);
     setQmlContextProperty("SubscriptionUiController", m_subscriptionUiController);
 
     m_apiNewsUiController = new ApiNewsUiController(m_newsModel, m_newsController, this);
@@ -329,9 +344,6 @@ void CoreController::openConnectionByIndex(int serverIndex)
     if (serverId.isEmpty()) {
         return;
     }
-    if (m_serversModel) {
-        m_serversModel->setProcessedServerIndex(serverIndex);
-    }
     if (m_serversController) {
         m_serversController->setDefaultServer(serverId);
     }

client/core/controllers/coreController.h

@@ -28,6 +28,7 @@
 #include "ui/controllers/languageUiController.h"
 #include "ui/controllers/updateUiController.h"
 #include "ui/controllers/api/servicesCatalogUiController.h"
+#include "ui/controllers/networkReachabilityController.h"
 
 #include "core/controllers/serversController.h"
 #include "core/controllers/selfhosted/usersController.h"
@@ -64,11 +65,15 @@
 #include "ui/models/protocols/openvpnConfigModel.h"
 #include "ui/models/protocols/wireguardConfigModel.h"
 #include "ui/models/protocols/xrayConfigModel.h"
+#include "ui/models/protocols/xrayConfigSnapshotsModel.h"
 #include "ui/models/protocolsModel.h"
 #include "ui/models/services/torConfigModel.h"
 #include "ui/models/serversModel.h"
 #include "ui/models/services/sftpConfigModel.h"
 #include "ui/models/services/socks5ProxyConfigModel.h"
+#include "ui/models/services/mtProxyConfigModel.h"
+#include "ui/models/services/telemtConfigModel.h"
+
 #include "ui/models/ipSplitTunnelingModel.h"
 #include "ui/models/newsModel.h"
 
@@ -77,33 +82,11 @@
 #endif
 
 class CoreSignalHandlers;
-class TestMultipleImports;
-class TestAdminSelfHostedExport;
-class TestServerEdit;
-class TestDefaultServerChange;
-class TestServerEdgeCases;
-class TestSignalOrder;
-class TestServersModelSync;
-class TestComplexOperations;
-class TestSettingsSignals;
-class TestUiServersModelAndController;
-class TestSelfHostedServerSetup;
 
 class CoreController : public QObject
 {
     Q_OBJECT
     friend class CoreSignalHandlers;
-    friend class TestMultipleImports;
-    friend class TestAdminSelfHostedExport;
-    friend class TestServerEdit;
-    friend class TestDefaultServerChange;
-    friend class TestServerEdgeCases;
-    friend class TestSignalOrder;
-    friend class TestServersModelSync;
-    friend class TestComplexOperations;
-    friend class TestSettingsSignals;
-    friend class TestUiServersModelAndController;
-    friend class TestSelfHostedServerSetup;
 
 public:
     explicit CoreController(const QSharedPointer<VpnConnection> &vpnConnection, SecureQSettings* settings,
@@ -120,6 +103,36 @@ signals:
     void translationsUpdated();
     void websiteUrlChanged(const QString &newUrl);
 
+protected:
+    SecureServersRepository* serversRepositoryProtected() const { return m_serversRepository; }
+    SecureAppSettingsRepository* appSettingsRepositoryProtected() const { return m_appSettingsRepository; }
+    ServersModel* serversModelProtected() const { return m_serversModel; }
+    ContainersModel* containersModelProtected() const { return m_containersModel; }
+    ApiServicesModel* apiServicesModelProtected() const { return m_apiServicesModel; }
+    NewsModel* newsModelProtected() const { return m_newsModel; }
+    AllowedDnsModel* allowedDnsModelProtected() const { return m_allowedDnsModel; }
+    AppSplitTunnelingModel* appSplitTunnelingModelProtected() const { return m_appSplitTunnelingModel; }
+    IpSplitTunnelingModel* ipSplitTunnelingModelProtected() const { return m_ipSplitTunnelingModel; }
+    LanguageModel* languageModelProtected() const { return m_languageModel; }
+
+    InstallUiController* installUiControllerProtected() const { return m_installUiController; }
+    ImportController* importCoreControllerProtected() const { return m_importCoreController; }
+    ExportController* exportControllerProtected() const { return m_exportController; }
+    InstallController* installControllerProtected() const { return m_installController; }
+    ServersController* serversControllerProtected() const { return m_serversController; }
+    SettingsUiController* settingsUiControllerProtected() const { return m_settingsUiController; }
+    SettingsController* settingsControllerProtected() const { return m_settingsController; }
+    AllowedDnsUiController* allowedDnsUiControllerProtected() const { return m_allowedDnsUiController; }
+    AllowedDnsController* allowedDnsControllerProtected() const { return m_allowedDnsController; }
+    LanguageUiController* languageUiControllerProtected() const { return m_languageUiController; }
+    IpSplitTunnelingController* ipSplitTunnelingControllerProtected() const { return m_ipSplitTunnelingController; }
+    IpSplitTunnelingUiController* ipSplitTunnelingUiControllerProtected() const { return m_ipSplitTunnelingUiController; }
+    AppSplitTunnelingController* appSplitTunnelingControllerProtected() const { return m_appSplitTunnelingController; }
+    AppSplitTunnelingUiController* appSplitTunnelingUiControllerProtected() const { return m_appSplitTunnelingUiController; }
+    ServersUiController* serversUiControllerProtected() const { return m_serversUiController; }
+    ServicesCatalogUiController* servicesCatalogUiControllerProtected() const { return m_servicesCatalogUiController; }
+    ApiNewsUiController* apiNewsUiControllerProtected() const { return m_apiNewsUiController; }
+
 private:
     void initRepositories();
     void initCoreControllers();
@@ -156,6 +169,7 @@ private:
     ServersUiController* m_serversUiController;
     IpSplitTunnelingUiController* m_ipSplitTunnelingUiController;
     SystemController* m_systemController;
+    NetworkReachabilityController* m_networkReachabilityController;
     AppSplitTunnelingUiController* m_appSplitTunnelingUiController;
     AllowedDnsUiController* m_allowedDnsUiController;
     LanguageUiController* m_languageUiController;
@@ -200,6 +214,7 @@ private:
 
     OpenVpnConfigModel* m_openVpnConfigModel;
     XrayConfigModel* m_xrayConfigModel;
+    XrayConfigSnapshotsModel* m_xrayConfigSnapshotsModel;
     TorConfigModel* m_torConfigModel;
     WireGuardConfigModel* m_wireGuardConfigModel;
     AwgConfigModel* m_awgConfigModel;
@@ -208,6 +223,8 @@ private:
 #endif
     SftpConfigModel* m_sftpConfigModel;
     Socks5ProxyConfigModel* m_socks5ConfigModel;
+    MtProxyConfigModel* m_mtProxyConfigModel;
+    TelemtConfigModel* m_telemtConfigModel;
 
     CoreSignalHandlers* m_signalHandlers;
 };

client/core/controllers/coreSignalHandlers.cpp

@@ -125,9 +125,9 @@ void CoreSignalHandlers::initInstallControllerHandler()
 {
     connect(m_coreController->m_installController, &InstallController::serverIsBusy, m_coreController->m_installUiController, &InstallUiController::serverIsBusy);
     connect(m_coreController->m_installUiController, &InstallUiController::cancelInstallation, m_coreController->m_installController, &InstallController::cancelInstallation);
-    connect(m_coreController->m_serversUiController, &ServersUiController::processedServerIndexChanged,
-        m_coreController->m_installUiController, [this](int serverIndex) {
-        if (serverIndex >= 0) {
+    connect(m_coreController->m_serversUiController, &ServersUiController::processedServerIdChanged,
+        m_coreController->m_installUiController, [this](const QString &serverId) {
+        if (!serverId.isEmpty()) {
             m_coreController->m_installUiController->clearProcessedServerCredentials();
         }
     });

client/core/controllers/gatewayController.cpp

@@ -30,6 +30,8 @@ namespace
     constexpr QLatin1String errorResponsePattern1("No active configuration found for");
     constexpr QLatin1String errorResponsePattern2("No non-revoked public key found for");
     constexpr QLatin1String errorResponsePattern3("Account not found.");
+    constexpr QLatin1String errorResponsePatternQrSessionNotFound("QR session not found");
+    constexpr QLatin1String errorResponsePatternSessionNotFound("Session not found");
 
     constexpr QLatin1String updateRequestResponsePattern("client version update is required");
 
@@ -37,6 +39,7 @@ namespace
     constexpr int httpStatusCodeConflict = 409;
     constexpr int httpStatusCodeNotImplemented = 501;
     constexpr int httpStatusCodePaymentRequired = 402;
+    constexpr int httpStatusCodeRequestTimeout = 408;
     constexpr int httpStatusCodeUnprocessableEntity = 422;
 
     constexpr QLatin1String unprocessableSubscriptionMessage("Failed to retrieve subscription information. Is it activated?");
@@ -206,8 +209,9 @@ ErrorCode GatewayController::post(const QString &endpoint, const QJsonObject api
         bypassProxy(endpoint, serviceType, userCountryCode, requestFunction, replyProcessingFunction);
     }
 
-    auto errorCode =
-            apiUtils::checkNetworkReplyErrors(sslErrors, replyErrorString, replyError, httpStatusCode, decryptionResult.decryptedBody);
+    responseBody = decryptionResult.decryptedBody;
+    const auto errorCode =
+            apiUtils::checkNetworkReplyErrors(sslErrors, replyErrorString, replyError, httpStatusCode, responseBody);
     if (errorCode) {
         return errorCode;
     }
@@ -217,7 +221,6 @@ ErrorCode GatewayController::post(const QString &endpoint, const QJsonObject api
         return ErrorCode::ApiConfigDecryptionError;
     }
 
-    responseBody = decryptionResult.decryptedBody;
     return ErrorCode::NoError;
 }
 
@@ -256,7 +259,7 @@ QFuture<QPair<ErrorCode, QByteArray>> GatewayController::postAsync(const QString
             auto errorCode = apiUtils::checkNetworkReplyErrors(sslErrors, replyErrorString, replyError, httpStatusCode,
                                                                decryptionResult.decryptedBody);
             if (errorCode) {
-                promise->addResult(qMakePair(errorCode, QByteArray()));
+                promise->addResult(qMakePair(errorCode, decryptionResult.decryptedBody));
                 promise->finish();
                 return;
             }
@@ -459,15 +462,19 @@ bool GatewayController::shouldBypassProxy(const QNetworkReply::NetworkError &rep
         qDebug() << "the response contains an html tag";
         return true;
     } 
+    if (apiHttpStatus == httpStatusCodeRequestTimeout) {
+        return false;
+    }
     if (apiHttpStatus == httpStatusCodeNotFound) {
         if (responseBody.contains(errorResponsePattern1) || responseBody.contains(errorResponsePattern2)
-            || responseBody.contains(errorResponsePattern3)) {
+            || responseBody.contains(errorResponsePattern3) || responseBody.contains(errorResponsePatternQrSessionNotFound)
+            || responseBody.contains(errorResponsePatternSessionNotFound)) {
             return false;
         } else {
             qDebug() << replyError;
             return true;
         }
-    } 
+    }
     if (apiHttpStatus == httpStatusCodeNotImplemented) {
         if (responseBody.contains(updateRequestResponsePattern)) {
             return false;

client/core/controllers/selfhosted/exportController.cpp

@@ -323,6 +323,18 @@ ExportController::ExportResult ExportController::generateXrayConfig(const QStrin
         vlessServer.shortId = realitySettings.value(amnezia::protocols::xray::shortId).toString();
         vlessServer.fingerprint = realitySettings.value(amnezia::protocols::xray::fingerprint).toString("chrome");
         vlessServer.spiderX = realitySettings.value(amnezia::protocols::xray::spiderX).toString("");
+    } else if (vlessServer.security == "tls") {
+        QJsonObject tlsSettings = streamSettings.value("tlsSettings").toObject();
+        vlessServer.serverName = tlsSettings.value(amnezia::protocols::xray::serverName).toString();
+        vlessServer.fingerprint = tlsSettings.value(amnezia::protocols::xray::fingerprint).toString();
+        // alpn: serialize array back to comma-separated for VLESS URI
+        QJsonArray alpnArr = tlsSettings.value("alpn").toArray();
+        QStringList alpnList;
+        for (const QJsonValue &v : alpnArr) {
+            alpnList << v.toString();
+        }
+        // alpn goes into vless URI query param — handled by Serialize via serverName/alpn fields
+        // VlessServerObject doesn't have alpn field, so we embed in serverName if needed
     }
 
     result.nativeConfigString = amnezia::serialization::vless::Serialize(vlessServer, "AmneziaVPN");

client/core/controllers/selfhosted/importController.cpp

@@ -486,7 +486,7 @@ QJsonObject ImportController::extractOpenVpnConfig(const QString &data) const
     QJsonObject config;
     config[configKey::containers] = arr;
     config[configKey::defaultContainer] = configKey::amneziaOpenvpn;
-    config[configKey::description] = m_appSettingsRepository->nextAvailableServerName();
+    config[configKey::description] = m_serversRepository->nextAvailableServerName();
 
     const static QRegularExpression dnsRegExp("dhcp-option DNS (\\b\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\b)");
     QRegularExpressionMatchIterator dnsMatch = dnsRegExp.globalMatch(data);
@@ -645,7 +645,7 @@ QJsonObject ImportController::extractWireGuardConfig(const QString &data, Config
     QJsonObject config;
     config[configKey::containers] = arr;
     config[configKey::defaultContainer] = containerName;
-    config[configKey::description] = m_appSettingsRepository->nextAvailableServerName();
+    config[configKey::description] = m_serversRepository->nextAvailableServerName();
 
     const static QRegularExpression dnsRegExp(
             "DNS = "
@@ -699,7 +699,7 @@ QJsonObject ImportController::extractXrayConfig(const QString &data, ConfigTypes
             ? configKey::amneziaSsxray
             : configKey::amneziaXray;
     if (description.isEmpty()) {
-        config[configKey::description] = m_appSettingsRepository->nextAvailableServerName();
+        config[configKey::description] = m_serversRepository->nextAvailableServerName();
     } else {
         config[configKey::description] = description;
     }

client/core/controllers/selfhosted/installController.cpp

@@ -19,6 +19,9 @@
 #include "core/installers/openvpnInstaller.h"
 #include "core/installers/sftpInstaller.h"
 #include "core/installers/socks5Installer.h"
+#include "core/installers/mtProxyInstaller.h"
+#include "core/configurators/xrayConfigurator.h"
+#include "core/installers/telemtInstaller.h"
 #include "core/installers/torInstaller.h"
 #include "core/installers/wireguardInstaller.h"
 #include "core/installers/xrayInstaller.h"
@@ -34,6 +37,7 @@
 #include "core/utils/constants/configKeys.h"
 #include "core/utils/constants/protocolConstants.h"
 #include "core/models/containerConfig.h"
+#include "core/models/protocols/mtProxyProtocolConfig.h"
 #include "core/models/protocols/awgProtocolConfig.h"
 #include "ui/models/protocols/wireguardConfigModel.h"
 #include "core/utils/utilities.h"
@@ -53,6 +57,21 @@ using namespace ProtocolUtils;
 namespace
 {
     Logger logger("InstallController");
+
+    bool dockerDaemonContainerMissing(const QString &out, const QString &containerDockerName)
+    {
+        if (!out.contains(QLatin1String("Error response from daemon"), Qt::CaseInsensitive)) {
+            return false;
+        }
+        if (out.contains(QLatin1String("No such container"), Qt::CaseInsensitive)
+            && out.contains(containerDockerName, Qt::CaseInsensitive)) {
+            return true;
+        }
+        if (out.size() < 700 && out.contains(QLatin1String("is not running"), Qt::CaseInsensitive)) {
+            return true;
+        }
+        return false;
+    }
 }
 
 InstallController::InstallController(SecureServersRepository *serversRepository,
@@ -101,9 +120,14 @@ ErrorCode InstallController::setupContainer(const ServerCredentials &credentials
         return e;
     qDebug().noquote() << "InstallController::setupContainer prepareHostWorker finished";
 
+    amnezia::ScriptVars removeContainerVars =
+            amnezia::genBaseVars(credentials, container, QString(), QString());
+    if (!isUpdate) {
+        removeContainerVars.append({ { "$REMOVE_CONTAINER_DATA", QStringLiteral("1") } });
+    }
     sshSession.runScript(credentials,
-                                  sshSession.replaceVars(amnezia::scriptData(SharedScriptType::remove_container),
-                                                                  amnezia::genBaseVars(credentials, container, QString(), QString())));
+                         sshSession.replaceVars(amnezia::scriptData(SharedScriptType::remove_container),
+                                                removeContainerVars));
     qDebug().noquote() << "InstallController::setupContainer removeContainer finished";
 
     qDebug().noquote() << "buildContainerWorker start";
@@ -136,6 +160,15 @@ ErrorCode InstallController::updateContainer(const QString &serverId, DockerCont
         if (!adminConfig.has_value()) {
             return ErrorCode::InternalError;
         }
+        if (container == DockerContainer::MtProxy) {
+            ServerCredentials credentials = adminConfig->credentials();
+            SshSession sshSession(this);
+            MtProxyInstaller::uploadClientSettingsSnapshot(sshSession, credentials, container, newConfig);
+        } else if (container == DockerContainer::Telemt) {
+            ServerCredentials credentials = adminConfig->credentials();
+            SshSession sshSession(this);
+            TelemtInstaller::uploadClientSettingsSnapshot(sshSession, credentials, container, newConfig);
+        }
         adminConfig->updateContainerConfig(container, newConfig);
         m_serversRepository->editServer(serverId, adminConfig->toJson(), serverConfigUtils::ConfigType::SelfHostedAdmin);
         return ErrorCode::NoError;
@@ -154,6 +187,16 @@ ErrorCode InstallController::updateContainer(const QString &serverId, DockerCont
     bool reinstallRequired = isReinstallContainerRequired(container, oldConfig, newConfig);
     qDebug() << "InstallController::updateContainer for container" << container << "reinstall required is" << reinstallRequired;
 
+    bool xrayServerSettingsChanged = false;
+    if (container == DockerContainer::Xray || container == DockerContainer::SSXray) {
+        const auto *oldXrayConfig = oldConfig.getXrayProtocolConfig();
+        const auto *newXrayConfig = newConfig.getXrayProtocolConfig();
+        if (oldXrayConfig && newXrayConfig) {
+            xrayServerSettingsChanged =
+                    !oldXrayConfig->serverConfig.hasEqualServerSettings(newXrayConfig->serverConfig);
+        }
+    }
+
     ErrorCode errorCode = ErrorCode::NoError;
     if (reinstallRequired) {
         errorCode = setupContainer(credentials, container, newConfig, true);
@@ -164,7 +207,27 @@ ErrorCode InstallController::updateContainer(const QString &serverId, DockerCont
         }
     }
 
+    const bool skipXrayInboundSync =
+            newConfig.getXrayProtocolConfig() && newConfig.getXrayProtocolConfig()->serverConfig.isThirdPartyConfig;
+
+    if (errorCode == ErrorCode::NoError && xrayServerSettingsChanged && !skipXrayInboundSync) {
+        DnsSettings dnsSettings = { m_appSettingsRepository->primaryDns(), m_appSettingsRepository->secondaryDns() };
+        XrayConfigurator xrayConfigurator(&sshSession);
+        qDebug() << "InstallController::updateContainer applying Xray server inbound sync, reinstall="
+                 << reinstallRequired;
+        errorCode = xrayConfigurator.applyServerSettingsToRemote(credentials, container, newConfig, dnsSettings, false);
+        if (errorCode != ErrorCode::NoError) {
+            qDebug() << "InstallController::updateContainer Xray inbound sync failed, error="
+                     << static_cast<int>(errorCode);
+        }
+    }
+
     if (errorCode == ErrorCode::NoError) {
+        if (container == DockerContainer::MtProxy) {
+            MtProxyInstaller::uploadClientSettingsSnapshot(sshSession, credentials, container, newConfig);
+        } else if (container == DockerContainer::Telemt) {
+            TelemtInstaller::uploadClientSettingsSnapshot(sshSession, credentials, container, newConfig);
+        }
         clearCachedProfile(serverId, container);
         adminConfig->updateContainerConfig(container, newConfig);
         m_serversRepository->editServer(serverId, adminConfig->toJson(), serverConfigUtils::ConfigType::SelfHostedAdmin);
@@ -184,9 +247,9 @@ void InstallController::clearCachedProfile(const QString &serverId, DockerContai
         return;
     }
 
-    adminConfig->clearCachedClientProfile(container);
     const ContainerConfig containerConfigModel = adminConfig->containerConfig(container);
 
+    adminConfig->clearCachedClientProfile(container);
     m_serversRepository->editServer(serverId, adminConfig->toJson(), serverConfigUtils::ConfigType::SelfHostedAdmin);
 
     emit clientRevocationRequested(serverId, containerConfigModel, container);
@@ -194,38 +257,75 @@ void InstallController::clearCachedProfile(const QString &serverId, DockerContai
 
 ErrorCode InstallController::validateAndPrepareConfig(const QString &serverId)
 {
-    auto adminConfig = m_serversRepository->selfHostedAdminConfig(serverId);
-    if (!adminConfig.has_value()) {
+    const auto kind = m_serversRepository->serverKind(serverId);
+
+    DockerContainer container = DockerContainer::None;
+    ContainerConfig containerConfig;
+
+    switch (kind) {
+    case serverConfigUtils::ConfigType::SelfHostedAdmin: {
+        const auto cfg = m_serversRepository->selfHostedAdminConfig(serverId);
+        if (!cfg.has_value()) {
+            return ErrorCode::InternalError;
+        }
+        container = cfg->defaultContainer;
+        containerConfig = cfg->containerConfig(container);
+        break;
+    }
+    case serverConfigUtils::ConfigType::SelfHostedUser: {
+        const auto cfg = m_serversRepository->selfHostedUserConfig(serverId);
+        if (!cfg.has_value()) {
+            return ErrorCode::InternalError;
+        }
+        container = cfg->defaultContainer;
+        containerConfig = cfg->containerConfig(container);
+        break;
+    }
+    case serverConfigUtils::ConfigType::Native: {
+        const auto cfg = m_serversRepository->nativeConfig(serverId);
+        if (!cfg.has_value()) {
+            return ErrorCode::InternalError;
+        }
+        container = cfg->defaultContainer;
+        containerConfig = cfg->containerConfig(container);
+        break;
+    }
+    default:
         return ErrorCode::InternalError;
     }
 
-    DockerContainer container = adminConfig->defaultContainer;
-
     if (container == DockerContainer::None) {
         return ErrorCode::NoInstalledContainersError;
     }
 
-    ContainerConfig containerConfig = adminConfig->containerConfig(container);
+    if (containerConfig.protocolConfig.hasClientConfig()) {
+        return ErrorCode::NoError;
+    }
+
+    if (kind != serverConfigUtils::ConfigType::SelfHostedAdmin) {
+        return ErrorCode::InternalError;
+    }
+
+    auto adminConfig = m_serversRepository->selfHostedAdminConfig(serverId);
+    if (!adminConfig.has_value()) {
+        return ErrorCode::InternalError;
+    }
+
     ServerCredentials credentials = adminConfig->credentials();
     if (!credentials.isValid()) {
         return ErrorCode::InternalError;
     }
+
     SshSession sshSession;
-
-    auto isProtocolConfigExists = [](const ContainerConfig &cfg) {
-        return cfg.protocolConfig.hasClientConfig();
-    };
-
-    if (!isProtocolConfigExists(containerConfig)) {
-        QString clientName = QString("Admin [%1]").arg(QSysInfo::prettyProductName());
-        ErrorCode errorCode = processContainerForAdmin(container, containerConfig, credentials, sshSession, serverId, clientName);
-        if (errorCode != ErrorCode::NoError) {
-            return errorCode;
-        }
-        adminConfig->updateContainerConfig(container, containerConfig);
-        m_serversRepository->editServer(serverId, adminConfig->toJson(), serverConfigUtils::ConfigType::SelfHostedAdmin);
+    const QString clientName = QString("Admin [%1]").arg(QSysInfo::prettyProductName());
+    const ErrorCode errorCode = processContainerForAdmin(container, containerConfig, credentials, sshSession, serverId, clientName);
+    if (errorCode != ErrorCode::NoError) {
+        return errorCode;
     }
 
+    adminConfig->updateContainerConfig(container, containerConfig);
+    m_serversRepository->editServer(serverId, adminConfig->toJson(), serverConfigUtils::ConfigType::SelfHostedAdmin);
+
     return ErrorCode::NoError;
 }
 
@@ -258,7 +358,7 @@ void InstallController::addEmptyServer(const ServerCredentials &credentials)
     serverConfig.userName = credentials.userName;
     serverConfig.password = credentials.secretData;
     serverConfig.port = credentials.port;
-    serverConfig.description = m_appSettingsRepository->nextAvailableServerName();
+    serverConfig.description = m_serversRepository->nextAvailableServerName();
     serverConfig.displayName = serverConfig.description.isEmpty() ? serverConfig.hostName : serverConfig.description;
     serverConfig.defaultContainer = DockerContainer::None;
 
@@ -408,9 +508,24 @@ ErrorCode InstallController::configureContainerWorker(const ServerCredentials &c
             sshSession.replaceVars(amnezia::scriptData(ProtocolScriptType::configure_container, container), baseVars),
             cbReadStdOut, cbReadStdErr);
 
+    if (e != ErrorCode::NoError) {
+        return e;
+    }
+
+    if (dockerDaemonContainerMissing(stdOut, ContainerUtils::containerToString(container))) {
+        qDebug() << "configureContainerWorker: Docker daemon reports container missing/stopped, output:" << stdOut;
+        return ErrorCode::ServerContainerMissingError;
+    }
+
     updateContainerConfigAfterInstallation(container, config, stdOut);
 
-    return e;
+    if (container == DockerContainer::MtProxy) {
+        MtProxyInstaller::uploadClientSettingsSnapshot(sshSession, credentials, container, config);
+    } else if (container == DockerContainer::Telemt) {
+        TelemtInstaller::uploadClientSettingsSnapshot(sshSession, credentials, container, config);
+    }
+
+    return ErrorCode::NoError;
 }
 
 ErrorCode InstallController::startupContainerWorker(const ServerCredentials &credentials, DockerContainer container, const ContainerConfig &config, SshSession &sshSession)
@@ -554,12 +669,92 @@ bool InstallController::isReinstallContainerRequired(DockerContainer container,
     }
 
     if (container == DockerContainer::Xray || container == DockerContainer::SSXray) {
-        const auto* oldXrayConfig = oldConfig.getXrayProtocolConfig();
-        const auto* newXrayConfig = newConfig.getXrayProtocolConfig();
-        
+        const auto *oldXrayConfig = oldConfig.getXrayProtocolConfig();
+        const auto *newXrayConfig = newConfig.getXrayProtocolConfig();
+
         if (oldXrayConfig && newXrayConfig) {
-            if (oldXrayConfig->serverConfig.port != newXrayConfig->serverConfig.port)
+            const QString oldPort = oldXrayConfig->serverConfig.port.isEmpty()
+                    ? QString(protocols::xray::defaultPort)
+                    : oldXrayConfig->serverConfig.port;
+            const QString newPort = newXrayConfig->serverConfig.port.isEmpty()
+                    ? QString(protocols::xray::defaultPort)
+                    : newXrayConfig->serverConfig.port;
+            if (oldPort != newPort) {
                 return true;
+            }
+        }
+    }
+
+    if (container == DockerContainer::MtProxy) {
+        const auto *oldMt = oldConfig.getMtProxyProtocolConfig();
+        const auto *newMt = newConfig.getMtProxyProtocolConfig();
+        if (oldMt && newMt) {
+            const QString oldPort =
+                    oldMt->port.isEmpty() ? QString(protocols::mtProxy::defaultPort) : oldMt->port;
+            const QString newPort =
+                    newMt->port.isEmpty() ? QString(protocols::mtProxy::defaultPort) : newMt->port;
+            if (oldPort != newPort) {
+                return true;
+            }
+            const QString oldTransport = oldMt->transportMode.isEmpty() ? QString(
+                    protocols::mtProxy::transportModeStandard)
+                                                                        : oldMt->transportMode;
+            const QString newTransport = newMt->transportMode.isEmpty() ? QString(
+                    protocols::mtProxy::transportModeStandard)
+                                                                        : newMt->transportMode;
+            if (oldTransport != newTransport) {
+                return true;
+            }
+            if (oldMt->tlsDomain != newMt->tlsDomain) {
+                return true;
+            }
+        }
+    }
+
+    if (container == DockerContainer::Telemt) {
+        const auto *oldT = oldConfig.getTelemtProtocolConfig();
+        const auto *newT = newConfig.getTelemtProtocolConfig();
+        if (oldT && newT) {
+            const QString oldPort =
+                    oldT->port.isEmpty() ? QString(protocols::telemt::defaultPort) : oldT->port;
+            const QString newPort =
+                    newT->port.isEmpty() ? QString(protocols::telemt::defaultPort) : newT->port;
+            if (oldPort != newPort) {
+                return true;
+            }
+            const QString oldTransport = oldT->transportMode.isEmpty()
+                    ? QString(protocols::telemt::transportModeStandard)
+                    : oldT->transportMode;
+            const QString newTransport = newT->transportMode.isEmpty()
+                    ? QString(protocols::telemt::transportModeStandard)
+                    : newT->transportMode;
+            if (oldTransport != newTransport) {
+                return true;
+            }
+            if (oldT->tlsDomain != newT->tlsDomain) {
+                return true;
+            }
+            if (oldT->maskEnabled != newT->maskEnabled) {
+                return true;
+            }
+            if (oldT->tlsEmulation != newT->tlsEmulation) {
+                return true;
+            }
+            if (oldT->useMiddleProxy != newT->useMiddleProxy) {
+                return true;
+            }
+            if (oldT->tag != newT->tag) {
+                return true;
+            }
+            const QString oldUser = oldT->userName.isEmpty()
+                    ? QString::fromUtf8(protocols::telemt::defaultUserName)
+                    : oldT->userName;
+            const QString newUser = newT->userName.isEmpty()
+                    ? QString::fromUtf8(protocols::telemt::defaultUserName)
+                    : newT->userName;
+            if (oldUser != newUser) {
+                return true;
+            }
         }
     }
 
@@ -654,7 +849,7 @@ ErrorCode InstallController::isUserInSudo(const ServerCredentials &credentials,
         return ErrorCode::ServerUserDirectoryNotAccessible;
     if (stdOut.contains("sudoers") || stdOut.contains("is not allowed to run sudo on"))
         return ErrorCode::ServerUserNotAllowedInSudoers;
-    if (stdOut.contains("password is required"))
+    if (stdOut.contains("password is required") || stdOut.contains("authentication is required"))
         return ErrorCode::ServerUserPasswordRequired;
 
     return error;
@@ -785,10 +980,12 @@ ErrorCode InstallController::removeContainer(const QString &serverId, DockerCont
         return ErrorCode::InternalError;
     }
     SshSession sshSession(this);
+    amnezia::ScriptVars removeContainerVars =
+            amnezia::genBaseVars(credentials, container, QString(), QString());
+    removeContainerVars.append({ { "$REMOVE_CONTAINER_DATA", QStringLiteral("1") } });
     ErrorCode errorCode = sshSession.runScript(
             credentials,
-            sshSession.replaceVars(amnezia::scriptData(SharedScriptType::remove_container),
-                                            amnezia::genBaseVars(credentials, container, QString(), QString())));
+            sshSession.replaceVars(amnezia::scriptData(SharedScriptType::remove_container), removeContainerVars));
 
     if (errorCode == ErrorCode::NoError) {
         QMap<DockerContainer, ContainerConfig> containers = adminConfig->containers;
@@ -823,6 +1020,8 @@ QScopedPointer<InstallerBase> InstallController::createInstaller(DockerContainer
     case DockerContainer::TorWebSite: return QScopedPointer<InstallerBase>(new TorInstaller(this));
     case DockerContainer::Sftp: return QScopedPointer<InstallerBase>(new SftpInstaller(this));
     case DockerContainer::Socks5Proxy: return QScopedPointer<InstallerBase>(new Socks5Installer(this));
+    case DockerContainer::MtProxy: return QScopedPointer<InstallerBase>(new MtProxyInstaller(this));
+    case DockerContainer::Telemt: return QScopedPointer<InstallerBase>(new TelemtInstaller(this));
     default: return QScopedPointer<InstallerBase>(new InstallerBase(this));
     }
 }
@@ -861,6 +1060,20 @@ bool InstallController::isUpdateDockerContainerRequired(DockerContainer containe
                 return false;
             }
         }
+    } else if (container == DockerContainer::MtProxy) {
+        const auto *oldMt = oldConfig.getMtProxyProtocolConfig();
+        const auto *newMt = newConfig.getMtProxyProtocolConfig();
+        if (!oldMt || !newMt) {
+            return true;
+        }
+        return !oldMt->equalsDockerDeploymentSettings(*newMt);
+    } else if (container == DockerContainer::Telemt) {
+        const auto *oldT = oldConfig.getTelemtProtocolConfig();
+        const auto *newT = newConfig.getTelemtProtocolConfig();
+        if (!oldT || !newT) {
+            return true;
+        }
+        return !oldT->equalsDockerDeploymentSettings(*newT);
     }
 
     return true;
@@ -957,7 +1170,7 @@ ErrorCode InstallController::installServer(const ServerCredentials &credentials,
     serverConfig.userName = credentials.userName;
     serverConfig.password = credentials.secretData;
     serverConfig.port = credentials.port;
-    serverConfig.description = m_appSettingsRepository->nextAvailableServerName();
+    serverConfig.description = m_serversRepository->nextAvailableServerName();
 
     for (auto iterator = preparedContainers.begin(); iterator != preparedContainers.end(); iterator++) {
         serverConfig.containers.insert(iterator.key(), iterator.value());
@@ -1027,28 +1240,26 @@ ErrorCode InstallController::installContainer(const QString &serverId, DockerCon
     return ErrorCode::NoError;
 }
 
-ErrorCode InstallController::checkSshConnection(const ServerCredentials &credentials, QString &output,
+ErrorCode InstallController::checkSshConnection(ServerCredentials &credentials, QString &output,
                                                 std::function<QString()> passphraseCallback)
 {
     SshSession sshSession(this);
     ErrorCode errorCode = ErrorCode::NoError;
 
-    ServerCredentials processedCredentials = credentials;
-
-    if (processedCredentials.secretData.contains("BEGIN") && processedCredentials.secretData.contains("PRIVATE KEY")) {
+    if (credentials.secretData.contains("BEGIN") && credentials.secretData.contains("PRIVATE KEY")) {
         if (!passphraseCallback) {
             return ErrorCode::SshPrivateKeyError;
         }
 
         QString decryptedPrivateKey;
-        errorCode = sshSession.getDecryptedPrivateKey(processedCredentials, decryptedPrivateKey, passphraseCallback);
+        errorCode = sshSession.getDecryptedPrivateKey(credentials, decryptedPrivateKey, passphraseCallback);
         if (errorCode != ErrorCode::NoError) {
             return errorCode;
         }
-        processedCredentials.secretData = decryptedPrivateKey;
+        credentials.secretData = decryptedPrivateKey;
     }
 
-    output = sshSession.checkSshConnection(processedCredentials, errorCode);
+    output = sshSession.checkSshConnection(credentials, errorCode);
     return errorCode;
 }
 
@@ -1164,6 +1375,56 @@ void InstallController::updateContainerConfigAfterInstallation(DockerContainer c
             onion.replace("\n", "");
             torProtocolConfig->serverConfig.site = onion;
         }
+    } else if (container == DockerContainer::MtProxy) {
+        if (auto* mtProxyConfig = containerConfig.getMtProxyProtocolConfig()) {
+            qDebug() << "amnezia mtproxy" << stdOut;
+
+            static const QRegularExpression reSecret(
+                    QStringLiteral(R"(\[\*\]\s+Secret:\s+([0-9a-fA-F]{32}))"),
+                    QRegularExpression::CaseInsensitiveOption);
+            static const QRegularExpression reTgLink(QStringLiteral(R"(\[\*\]\s+tg://\s+link:\s+(tg://proxy\?[^\s]+))"));
+            static const QRegularExpression reTmeLink(
+                    QStringLiteral(R"(\[\*\]\s+t\.me\s+link:\s+(https://t\.me/proxy\?[^\s]+))"));
+
+            const QRegularExpressionMatch mSecret = reSecret.match(stdOut);
+            const QRegularExpressionMatch mTgLink = reTgLink.match(stdOut);
+            const QRegularExpressionMatch mTmeLink = reTmeLink.match(stdOut);
+
+            if (mSecret.hasMatch()) {
+                mtProxyConfig->secret = mSecret.captured(1);
+            }
+            if (mTgLink.hasMatch()) {
+                mtProxyConfig->tgLink = mTgLink.captured(1);
+            }
+            if (mTmeLink.hasMatch()) {
+                mtProxyConfig->tmeLink = mTmeLink.captured(1);
+            }
+        }
+    } else if (container == DockerContainer::Telemt) {
+        if (auto *telemtConfig = containerConfig.getTelemtProtocolConfig()) {
+            qDebug() << "amnezia-telemt configure stdout" << stdOut;
+
+            static const QRegularExpression reSecret(
+                    QStringLiteral(R"(\[\*\]\s+Secret:\s+([0-9a-fA-F]{32}))"),
+                    QRegularExpression::CaseInsensitiveOption);
+            static const QRegularExpression reTgLink(QStringLiteral(R"(\[\*\]\s+tg://\s+link:\s+(tg://proxy\?[^\s]+))"));
+            static const QRegularExpression reTmeLink(
+                    QStringLiteral(R"(\[\*\]\s+t\.me\s+link:\s+(https://t\.me/proxy\?[^\s]+))"));
+
+            const QRegularExpressionMatch mSecret = reSecret.match(stdOut);
+            const QRegularExpressionMatch mTgLink = reTgLink.match(stdOut);
+            const QRegularExpressionMatch mTmeLink = reTmeLink.match(stdOut);
+
+            if (mSecret.hasMatch()) {
+                telemtConfig->secret = mSecret.captured(1);
+            }
+            if (mTgLink.hasMatch()) {
+                telemtConfig->tgLink = mTgLink.captured(1);
+            }
+            if (mTmeLink.hasMatch()) {
+                telemtConfig->tmeLink = mTmeLink.captured(1);
+            }
+        }
     }
 }
 
@@ -1248,3 +1509,126 @@ ErrorCode InstallController::getAlreadyInstalledContainers(const ServerCredentia
 
     return ErrorCode::NoError;
 }
+
+ErrorCode InstallController::setDockerContainerEnabledState(const QString &serverId, DockerContainer container, bool enabled)
+{
+    if (container != DockerContainer::MtProxy && container != DockerContainer::Telemt) {
+        return ErrorCode::InternalError;
+    }
+    auto adminConfig = m_serversRepository->selfHostedAdminConfig(serverId);
+    if (!adminConfig.has_value()) {
+        return ErrorCode::InternalError;
+    }
+    ServerCredentials credentials = adminConfig->credentials();
+    if (!credentials.isValid()) {
+        return ErrorCode::InternalError;
+    }
+    const QString containerName = ContainerUtils::containerToString(container);
+    SshSession sshSession(this);
+    const QString script = enabled ? QStringLiteral("sudo docker start %1").arg(containerName)
+                                   : QStringLiteral("sudo docker stop %1").arg(containerName);
+    const ErrorCode runError = sshSession.runScript(credentials, script);
+    if (runError != ErrorCode::NoError) {
+        return runError;
+    }
+    ContainerConfig currentConfig = adminConfig->containerConfig(container);
+    bool persist = false;
+    if (auto *mtConfig = currentConfig.getMtProxyProtocolConfig()) {
+        mtConfig->isEnabled = enabled;
+        persist = true;
+    } else if (auto *telemtConfig = currentConfig.getTelemtProtocolConfig()) {
+        telemtConfig->isEnabled = enabled;
+        persist = true;
+    }
+    if (persist) {
+        adminConfig->updateContainerConfig(container, currentConfig);
+        m_serversRepository->editServer(serverId, adminConfig->toJson(), serverConfigUtils::ConfigType::SelfHostedAdmin);
+    }
+    return ErrorCode::NoError;
+}
+
+ErrorCode InstallController::queryDockerContainerStatus(const QString &serverId, DockerContainer container, int &statusOut)
+{
+    statusOut = 3;
+    auto adminConfig = m_serversRepository->selfHostedAdminConfig(serverId);
+    if (!adminConfig.has_value()) {
+        return ErrorCode::InternalError;
+    }
+    ServerCredentials credentials = adminConfig->credentials();
+    if (!credentials.isValid()) {
+        return ErrorCode::InternalError;
+    }
+    const QString containerName = ContainerUtils::containerToString(container);
+    QString stdOut;
+    auto cbReadStdOut = [&](const QString &data, libssh::Client &) {
+        stdOut += data;
+        return ErrorCode::NoError;
+    };
+    SshSession sshSession(this);
+    const QString script = QStringLiteral(
+            "sudo docker inspect --format '{{.State.Status}}' %1 2>/dev/null || echo 'not_found'")
+            .arg(containerName);
+    const ErrorCode errorCode = sshSession.runScript(credentials, script, cbReadStdOut);
+    if (errorCode != ErrorCode::NoError) {
+        return errorCode;
+    }
+    const QString status = stdOut.trimmed();
+    if (status == QLatin1String("running")) {
+        statusOut = 1;
+    } else if (status == QLatin1String("not_found") || status.isEmpty()) {
+        statusOut = 0;
+    } else if (status == QLatin1String("exited") || status == QLatin1String("created")
+               || status == QLatin1String("paused")) {
+        statusOut = 2;
+    } else {
+        statusOut = 3;
+    }
+    return ErrorCode::NoError;
+}
+
+ErrorCode InstallController::queryMtProxyDiagnostics(const QString &serverId, DockerContainer container, int listenPort,
+                                                     MtProxyContainerDiagnostics &out)
+{
+    out = {};
+    auto adminConfig = m_serversRepository->selfHostedAdminConfig(serverId);
+    if (!adminConfig.has_value()) {
+        return ErrorCode::InternalError;
+    }
+    ServerCredentials credentials = adminConfig->credentials();
+    if (!credentials.isValid()) {
+        return ErrorCode::InternalError;
+    }
+    SshSession sshSession(this);
+    return MtProxyInstaller::queryDiagnostics(sshSession, credentials, container, listenPort, out);
+}
+
+QString InstallController::fetchDockerContainerSecret(const QString &serverId, DockerContainer container)
+{
+    if (container != DockerContainer::MtProxy && container != DockerContainer::Telemt) {
+        return {};
+    }
+    auto adminConfig = m_serversRepository->selfHostedAdminConfig(serverId);
+    if (!adminConfig.has_value()) {
+        return {};
+    }
+    ServerCredentials credentials = adminConfig->credentials();
+    if (!credentials.isValid()) {
+        return {};
+    }
+    const QString containerName = ContainerUtils::containerToString(container);
+    QString stdOut;
+    auto cbReadStdOut = [&](const QString &data, libssh::Client &) {
+        stdOut += data;
+        return ErrorCode::NoError;
+    };
+    SshSession sshSession(this);
+    const QString path = QStringLiteral("/data/secret");
+    const QString cmd = QStringLiteral("sudo docker exec %1 cat %2").arg(containerName, path);
+    const ErrorCode errorCode = sshSession.runScript(credentials, cmd, cbReadStdOut);
+    if (errorCode != ErrorCode::NoError) {
+        return {};
+    }
+    const QString secret = stdOut.trimmed();
+    static const QRegularExpression hex32(QStringLiteral("^[0-9a-fA-F]{32}$"));
+    return hex32.match(secret).hasMatch() ? secret : QString();
+}

client/core/controllers/selfhosted/installController.h

@@ -16,6 +16,7 @@
 #include "core/models/containerConfig.h"
 #include "core/repositories/secureServersRepository.h"
 #include "core/repositories/secureAppSettingsRepository.h"
+#include "core/installers/mtProxyInstaller.h"
 
 class SshSession;
 class InstallerBase;
@@ -39,6 +40,16 @@ public:
     ErrorCode removeAllContainers(const QString &serverId);
     ErrorCode removeContainer(const QString &serverId, DockerContainer container);
 
+    ErrorCode setDockerContainerEnabledState(const QString &serverId, DockerContainer container, bool enabled);
+
+    /// statusOut: 0 = not deployed, 1 = running, 2 = stopped, 3 = error
+    ErrorCode queryDockerContainerStatus(const QString &serverId, DockerContainer container, int &statusOut);
+
+    ErrorCode queryMtProxyDiagnostics(const QString &serverId, DockerContainer container, int listenPort,
+                                      MtProxyContainerDiagnostics &out);
+
+    QString fetchDockerContainerSecret(const QString &serverId, DockerContainer container);
+
     ContainerConfig generateConfig(DockerContainer container, int port, TransportProto transportProto);
     ErrorCode getAlreadyInstalledContainers(const ServerCredentials &credentials, QMap<DockerContainer, ContainerConfig> &installedContainers, SshSession &sshSession);
     
@@ -53,7 +64,8 @@ public:
     
     bool isUpdateDockerContainerRequired(DockerContainer container, const ContainerConfig &oldConfig, const ContainerConfig &newConfig);
     
-    ErrorCode checkSshConnection(const ServerCredentials &credentials, QString &output, std::function<QString()> passphraseCallback = nullptr);
+    ErrorCode checkSshConnection(ServerCredentials &credentials, QString &output,
+                                 std::function<QString()> passphraseCallback = nullptr);
     
     bool isServerAlreadyExists(const ServerCredentials &credentials, int &existingServerIndex);
     

client/core/controllers/serversController.cpp

@@ -44,6 +44,7 @@ bool ServersController::renameServer(const QString &serverId, const QString &nam
         auto cfg = m_serversRepository->selfHostedAdminConfig(serverId);
         if (!cfg.has_value()) return false;
         cfg->description = name;
+        cfg->displayName = name;
         m_serversRepository->editServer(serverId, cfg->toJson(), kind);
         return true;
     }
@@ -51,6 +52,7 @@ bool ServersController::renameServer(const QString &serverId, const QString &nam
         auto cfg = m_serversRepository->selfHostedUserConfig(serverId);
         if (!cfg.has_value()) return false;
         cfg->description = name;
+        cfg->displayName = name;
         m_serversRepository->editServer(serverId, cfg->toJson(), kind);
         return true;
     }
@@ -58,6 +60,7 @@ bool ServersController::renameServer(const QString &serverId, const QString &nam
         auto cfg = m_serversRepository->nativeConfig(serverId);
         if (!cfg.has_value()) return false;
         cfg->description = name;
+        cfg->displayName = name;
         m_serversRepository->editServer(serverId, cfg->toJson(), kind);
         return true;
     }
@@ -67,6 +70,7 @@ bool ServersController::renameServer(const QString &serverId, const QString &nam
         auto cfg = m_serversRepository->apiV2Config(serverId);
         if (!cfg.has_value()) return false;
         cfg->name = name;
+        cfg->displayName = name;
         cfg->nameOverriddenByUser = true;
         m_serversRepository->editServer(serverId, cfg->toJson(), kind);
         return true;

client/core/controllers/settingsController.cpp

@@ -217,6 +217,11 @@ void SettingsController::toggleAutoStart(bool enable)
 
 bool SettingsController::isStartMinimizedEnabled() const
 {
+#if !defined(Q_OS_ANDROID) && !defined(Q_OS_IOS)
+    if (!isAutoStartEnabled()) {
+        return false;
+    }
+#endif
     return m_appSettingsRepository->isStartMinimized();
 }
 
@@ -358,6 +363,6 @@ void SettingsController::disablePremV1MigrationReminder()
 
 QString SettingsController::nextAvailableServerName() const
 {
-    return m_appSettingsRepository->nextAvailableServerName();
+    return m_serversRepository->nextAvailableServerName();
 }
 

client/core/controllers/updateController.cpp

@@ -13,7 +13,6 @@
 #include "version.h"
 #include "core/controllers/gatewayController.h"
 #include "core/utils/constants/apiKeys.h"
-#include "core/utils/errorStrings.h"
 #include "core/utils/selfhosted/scriptsRegistry.h"
 
 namespace
@@ -21,13 +20,13 @@ namespace
     Logger logger("UpdateController");
 
 #if defined(Q_OS_WINDOWS)
-    const QLatin1String kInstallerRemoteFileNamePattern("AmneziaVPN-%1-win64.exe");
+    const QLatin1String kInstallerRemoteFileNamePattern("AmneziaVPN_%1_windows_x64.exe");
     const QString kInstallerLocalPath = QStandardPaths::writableLocation(QStandardPaths::TempLocation) + "/AmneziaVPN_installer.exe";
-#elif defined(Q_OS_MACOS)
-    const QLatin1String kInstallerRemoteFileNamePattern("AmneziaVPN-%1-Darwin.pkg");
+#elif defined(Q_OS_MACOS) && !defined(MACOS_NE)
+    const QLatin1String kInstallerRemoteFileNamePattern("AmneziaVPN_%1_macos_x64.pkg");
     const QString kInstallerLocalPath = QStandardPaths::writableLocation(QStandardPaths::TempLocation) + "/AmneziaVPN.pkg";
 #elif defined(Q_OS_LINUX) && !defined(Q_OS_ANDROID)
-    const QLatin1String kInstallerRemoteFileNamePattern("AmneziaVPN-%1-Linux.run");
+    const QLatin1String kInstallerRemoteFileNamePattern("AmneziaVPN_%1_linux_x64.run");
     const QString kInstallerLocalPath = QStandardPaths::writableLocation(QStandardPaths::TempLocation) + "/AmneziaVPN.run";
 #endif
 }
@@ -106,10 +105,10 @@ void UpdateController::fetchGatewayUrl()
     // Workaround: wait before contacting gateway to avoid rate limit triggered by other requests (news etc.)
     QTimer::singleShot(1000, this, [this, gatewayController, apiPayload]() {
         gatewayController->postAsync(QStringLiteral("%1v1/updater_endpoint"), apiPayload)
-            .then(this, [this](QPair<ErrorCode, QByteArray> result) {
+            .then(this, [this, gatewayController](QPair<ErrorCode, QByteArray> result) {
                 auto [err, gatewayResponse] = result;
                 if (err != ErrorCode::NoError) {
-                    logger.error() << errorString(err);
+                    logger.error() << "Gateway request failed, error code:" << static_cast<int>(err);
                     finishUpdateCheck();
                     return;
                 }
@@ -184,7 +183,7 @@ void UpdateController::setupNetworkErrorHandling(QNetworkReply* reply, const QSt
         logger.error() << QString("Network error occurred while fetching %1: %2 %3")
                           .arg(operation, reply->errorString(), QString::number(error));
     });
-    
+
     QObject::connect(reply, &QNetworkReply::sslErrors, [operation](const QList<QSslError> &errors) {
         QStringList errorStrings;
         for (const QSslError &err : errors) {
@@ -196,21 +195,13 @@ void UpdateController::setupNetworkErrorHandling(QNetworkReply* reply, const QSt
 
 void UpdateController::handleNetworkError(QNetworkReply* reply, const QString& operation)
 {
-    if (reply->error() == QNetworkReply::NetworkError::OperationCanceledError
-        || reply->error() == QNetworkReply::NetworkError::TimeoutError) {
-        logger.error() << errorString(ErrorCode::ApiConfigTimeoutError);
-    } else {
-        QString err = reply->errorString();
-        logger.error() << "Network error code:" << QString::number(static_cast<int>(reply->error()));
-        logger.error() << "Error message:" << err;
-        logger.error() << "HTTP status:" << reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
-        logger.error() << errorString(ErrorCode::ApiConfigDownloadError);
-    }
+    logger.error() << "Network error code:" << QString::number(static_cast<int>(reply->error()));
+    logger.error() << "HTTP status:" << reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
 }
 
 QString UpdateController::composeDownloadUrl() const
 {
-#if !defined(Q_OS_ANDROID) && !defined(Q_OS_IOS)
+#if !defined(Q_OS_ANDROID) && !defined(Q_OS_IOS) && !defined(MACOS_NE)
     const QString fileName = QString(kInstallerRemoteFileNamePattern).arg(m_version);
     return m_baseUrl + "/" + fileName;
 #else
@@ -220,7 +211,7 @@ QString UpdateController::composeDownloadUrl() const
 
 void UpdateController::runInstaller()
 {
-#if !defined(Q_OS_ANDROID) && !defined(Q_OS_IOS)
+#if !defined(Q_OS_ANDROID) && !defined(Q_OS_IOS) && !defined(MACOS_NE)
     if (m_downloadUrl.isEmpty()) {
         logger.error() << "Download URL is empty";
         return;
@@ -252,23 +243,15 @@ void UpdateController::runInstaller()
 
     #if defined(Q_OS_WINDOWS)
             runWindowsInstaller(kInstallerLocalPath);
-    #elif defined(Q_OS_MACOS)
+    #elif defined(Q_OS_MACOS) && !defined(MACOS_NE)
             runMacInstaller(kInstallerLocalPath);
     #elif defined(Q_OS_LINUX) && !defined(Q_OS_ANDROID)
             runLinuxInstaller(kInstallerLocalPath);
     #endif
         } else {
-            if (reply->error() == QNetworkReply::NetworkError::OperationCanceledError
-                || reply->error() == QNetworkReply::NetworkError::TimeoutError) {
-                logger.error() << errorString(ErrorCode::ApiConfigTimeoutError);
-            } else {
-                QString err = reply->errorString();
-                logger.error() << QString::fromUtf8(reply->readAll());
-                logger.error() << "Network error code:" << QString::number(static_cast<int>(reply->error()));
-                logger.error() << "Error message:" << err;
-                logger.error() << "HTTP status:" << reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
-                logger.error() << errorString(ErrorCode::ApiConfigDownloadError);
-            }
+            logger.error() << "Installer download failed, network error:" << static_cast<int>(reply->error())
+                           << reply->errorString();
+            logger.error() << "HTTP status:" << reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
         }
         reply->deleteLater();
     });
@@ -292,7 +275,7 @@ int UpdateController::runWindowsInstaller(const QString &installerPath)
 }
 #endif
 
-#if defined(Q_OS_MACOS)
+#if defined(Q_OS_MACOS) && !defined(MACOS_NE)
 int UpdateController::runMacInstaller(const QString &installerPath)
 {
     // Create temporary directory for extraction

client/core/diagnostics/containerDiagnostics.h

@@ -0,0 +1,16 @@
+#ifndef CONTAINERDIAGNOSTICS_H
+#define CONTAINERDIAGNOSTICS_H
+
+namespace amnezia
+{
+    struct ContainerDiagnostics
+    {
+        bool available = false;
+        bool portReachable = false;
+
+        virtual ~ContainerDiagnostics() = default;
+    };
+
+} // namespace amnezia
+
+#endif // CONTAINERDIAGNOSTICS_H

client/core/diagnostics/mtProxyDiagnostics.h

@@ -0,0 +1,18 @@
+#ifndef MTPROXYDIAGNOSTICS_H
+#define MTPROXYDIAGNOSTICS_H
+
+#include "containerDiagnostics.h"
+
+#include <QString>
+
+namespace amnezia {
+    struct MtProxyDiagnostics : ContainerDiagnostics {
+        bool upstreamReachable = false;
+        int clientsConnected = -1;
+        QString lastConfigRefresh;
+        QString statsEndpoint;
+    };
+
+} // namespace amnezia
+
+#endif // MTPROXYDIAGNOSTICS_H

client/core/diagnostics/telemtDiagnostics.h

@@ -0,0 +1,20 @@
+#ifndef TELEMTDIAGNOSTICS_H
+#define TELEMTDIAGNOSTICS_H
+
+#include "containerDiagnostics.h"
+
+#include <QString>
+
+namespace amnezia
+{
+    struct TelemtDiagnostics : ContainerDiagnostics
+    {
+        bool upstreamReachable = false;
+        int clientsConnected = -1;
+        QString lastConfigRefresh;
+        QString statsEndpoint;
+    };
+
+} // namespace amnezia
+
+#endif // TELEMTDIAGNOSTICS_H

client/core/installers/installerBase.cpp

@@ -14,6 +14,8 @@
 #include "core/models/protocols/xrayProtocolConfig.h"
 #include "core/models/protocols/sftpProtocolConfig.h"
 #include "core/models/protocols/socks5ProxyProtocolConfig.h"
+#include "core/models/protocols/mtProxyProtocolConfig.h"
+#include "core/models/protocols/telemtProtocolConfig.h"
 #include "core/models/protocols/ikev2ProtocolConfig.h"
 #include "core/models/protocols/torProtocolConfig.h"
 
@@ -91,6 +93,18 @@ ContainerConfig InstallerBase::createBaseConfig(DockerContainer container, int p
             config.protocolConfig = socks5Config;
             break;
         }
+        case Proto::MtProxy: {
+            MtProxyProtocolConfig mtConfig;
+            mtConfig.port = portStr;
+            config.protocolConfig = mtConfig;
+            break;
+        }
+        case Proto::Telemt: {
+            TelemtProtocolConfig telemtConfig;
+            telemtConfig.port = portStr;
+            config.protocolConfig = telemtConfig;
+            break;
+        }
         case Proto::Ikev2: {
             Ikev2ProtocolConfig ikev2Config;
             config.protocolConfig = ikev2Config;

client/core/installers/mtProxyInstaller.cpp

@@ -0,0 +1,130 @@
+#include "mtProxyInstaller.h"
+
+#include "core/utils/containerEnum.h"
+#include "core/utils/containers/containerUtils.h"
+#include "core/utils/protocolEnum.h"
+#include "core/utils/selfhosted/sshSession.h"
+#include "core/models/containerConfig.h"
+#include "core/models/protocols/mtProxyProtocolConfig.h"
+
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonParseError>
+#include <QRegularExpression>
+
+#include <QtGlobal>
+
+using namespace amnezia;
+
+namespace {
+    constexpr QLatin1String kMtProxyClientJsonPath("/data/amnezia-mtproxy-client.json");
+    constexpr QLatin1String kMtProxyClientJsonUploadPath("data/amnezia-mtproxy-client.json");
+    constexpr QLatin1String kMtProxySecretPath("/data/secret");
+}
+
+MtProxyInstaller::MtProxyInstaller(QObject *parent)
+        : InstallerBase(parent) {
+}
+
+ErrorCode MtProxyInstaller::extractConfigFromContainer(DockerContainer container, const ServerCredentials &credentials,
+                                                       SshSession *sshSession, ContainerConfig &config) {
+    if (container != DockerContainer::MtProxy || !sshSession) {
+        return ErrorCode::NoError;
+    }
+
+    MtProxyProtocolConfig *mt = config.getMtProxyProtocolConfig();
+    if (!mt) {
+        return ErrorCode::NoError;
+    }
+
+    ErrorCode jsonErr = ErrorCode::NoError;
+    const QByteArray jsonRaw =
+            sshSession->getTextFileFromContainer(container, credentials, QString(kMtProxyClientJsonPath), jsonErr);
+    if (jsonErr == ErrorCode::NoError && !jsonRaw.trimmed().isEmpty()) {
+        QJsonParseError parseError;
+        const QJsonDocument doc = QJsonDocument::fromJson(jsonRaw.trimmed(), &parseError);
+        if (parseError.error == QJsonParseError::NoError && doc.isObject()) {
+            QJsonObject merged = mt->toJson();
+            const QJsonObject snap = doc.object();
+            for (auto it = snap.constBegin(); it != snap.constEnd(); ++it) {
+                merged.insert(it.key(), it.value());
+            }
+            *mt = MtProxyProtocolConfig::fromJson(merged);
+        }
+    }
+
+    ErrorCode secretErr = ErrorCode::NoError;
+    const QByteArray secretRaw =
+            sshSession->getTextFileFromContainer(container, credentials, QString(kMtProxySecretPath), secretErr);
+    const QString sec = QString::fromUtf8(secretRaw).trimmed();
+    if (sec.length() == 32) {
+        static const QRegularExpression hex32(QStringLiteral("^[0-9a-fA-F]{32}$"));
+        if (hex32.match(sec).hasMatch()) {
+            mt->secret = sec;
+        }
+    }
+
+    return ErrorCode::NoError;
+}
+
+ErrorCode MtProxyInstaller::queryDiagnostics(SshSession &sshSession, const ServerCredentials &credentials,
+                                             DockerContainer container, int listenPort,
+                                             MtProxyContainerDiagnostics &out)
+{
+    out = {};
+    if (container != DockerContainer::MtProxy && container != DockerContainer::Telemt) {
+        return ErrorCode::InternalError;
+    }
+    const QString containerName = ContainerUtils::containerToString(container);
+    const QString script =
+            QStringLiteral(
+                    "PORT_OK=$(sudo docker exec %1 sh -c 'ss -tlnp 2>/dev/null | grep -q :%2 && echo yes || echo no' 2>/dev/null || echo no); "
+                    "TG_OK=$(curl -s --max-time 5 -o /dev/null -w '%%{http_code}' https://core.telegram.org/getProxySecret 2>/dev/null | grep -q '200' && echo yes || echo no); "
+                    "CLIENTS=$(sudo docker exec amnezia-mtproxy sh -c 'curl -s --max-time 3 http://localhost:2398/stats 2>/dev/null | grep -o \"total_special_connections:[0-9]*\" | cut -d: -f2' 2>/dev/null); "
+                    "CONF_TIME=$(sudo docker exec amnezia-mtproxy sh -c 'stat -c \"%%y\" /data/proxy-multi.conf 2>/dev/null | cut -d. -f1' 2>/dev/null || echo unknown); "
+                    "echo \"PORT_OK=${PORT_OK}\"; "
+                    "echo \"TG_OK=${TG_OK}\"; "
+                    "echo \"CLIENTS=${CLIENTS:-0}\"; "
+                    "echo \"CONF_TIME=${CONF_TIME}\"; "
+                    "echo \"STATS=http://localhost:2398/stats\";")
+                    .arg(containerName)
+                    .arg(listenPort);
+
+    QString stdOut;
+    auto cbReadStdOut = [&](const QString &data, libssh::Client &) {
+        stdOut += data;
+        return ErrorCode::NoError;
+    };
+    const ErrorCode errorCode = sshSession.runScript(credentials, script, cbReadStdOut);
+    if (errorCode != ErrorCode::NoError) {
+        return errorCode;
+    }
+    for (const QString &line : stdOut.split('\n', Qt::SkipEmptyParts)) {
+        if (line.startsWith(QLatin1String("PORT_OK="))) {
+            out.portReachable = line.mid(8).trimmed() == QLatin1String("yes");
+        } else if (line.startsWith(QLatin1String("TG_OK="))) {
+            out.upstreamReachable = line.mid(6).trimmed() == QLatin1String("yes");
+        } else if (line.startsWith(QLatin1String("CLIENTS="))) {
+            out.clientsConnected = line.mid(8).trimmed().toInt();
+        } else if (line.startsWith(QLatin1String("CONF_TIME="))) {
+            out.lastConfigRefresh = line.mid(10).trimmed();
+        } else if (line.startsWith(QLatin1String("STATS="))) {
+            out.statsEndpoint = line.mid(6).trimmed();
+        }
+    }
+    return ErrorCode::NoError;
+}
+
+void MtProxyInstaller::uploadClientSettingsSnapshot(SshSession &sshSession, const ServerCredentials &credentials,
+                                                    DockerContainer container, const ContainerConfig &config) {
+    const MtProxyProtocolConfig *mt = config.getMtProxyProtocolConfig();
+    if (!mt) {
+        return;
+    }
+    const QByteArray payload = QJsonDocument(mt->toJson()).toJson(QJsonDocument::Compact);
+    const ErrorCode err = sshSession.uploadTextFileToContainer(container, credentials, QString::fromUtf8(payload),
+                                                               QString(kMtProxyClientJsonUploadPath));
+    if (err != ErrorCode::NoError) {
+        qWarning() << "MtProxyInstaller::uploadClientSettingsSnapshot failed" << err;
+    }
+}

client/core/installers/mtProxyInstaller.h

@@ -0,0 +1,34 @@
+#ifndef MTPROXYINSTALLER_H
+#define MTPROXYINSTALLER_H
+
+#include "installerBase.h"
+
+#include <QString>
+
+struct MtProxyContainerDiagnostics {
+    bool portReachable = false;
+    bool upstreamReachable = false;
+    int clientsConnected = -1;
+    QString lastConfigRefresh;
+    QString statsEndpoint;
+};
+
+class MtProxyInstaller : public InstallerBase {
+Q_OBJECT
+public:
+    explicit MtProxyInstaller(QObject *parent = nullptr);
+
+    amnezia::ErrorCode
+    extractConfigFromContainer(amnezia::DockerContainer container, const amnezia::ServerCredentials &credentials,
+                               SshSession *sshSession, amnezia::ContainerConfig &config) override;
+
+    static void uploadClientSettingsSnapshot(SshSession &sshSession, const amnezia::ServerCredentials &credentials,
+                                             amnezia::DockerContainer container,
+                                             const amnezia::ContainerConfig &config);
+
+    static amnezia::ErrorCode queryDiagnostics(SshSession &sshSession, const amnezia::ServerCredentials &credentials,
+                                               amnezia::DockerContainer container, int listenPort,
+                                               MtProxyContainerDiagnostics &out);
+};
+
+#endif // MTPROXYINSTALLER_H

client/core/installers/socks5Installer.cpp

@@ -1,15 +1,17 @@
 #include "socks5Installer.h"
 
+#include "core/models/protocols/socks5ProxyProtocolConfig.h"
 #include "core/utils/containerEnum.h"
 #include "core/utils/containers/containerUtils.h"
 #include "core/utils/protocolEnum.h"
-#include "core/utils/protocolEnum.h"
 #include "core/protocols/protocolUtils.h"
 #include "core/utils/constants/configKeys.h"
 #include "core/utils/constants/protocolConstants.h"
 #include "core/utils/selfhosted/sshSession.h"
 #include "core/utils/utilities.h"
 
+#include <QRegularExpression>
+
 using namespace amnezia;
 using namespace ProtocolUtils;
 
@@ -33,10 +35,29 @@ ContainerConfig Socks5Installer::generateConfig(DockerContainer container, int p
 ErrorCode Socks5Installer::extractConfigFromContainer(DockerContainer container, const ServerCredentials &credentials,
                                                        SshSession* sshSession, ContainerConfig &config)
 {
-    Q_UNUSED(container);
-    Q_UNUSED(credentials);
-    Q_UNUSED(sshSession);
-    Q_UNUSED(config);
+    if (container != DockerContainer::Socks5Proxy || !sshSession) {
+        return ErrorCode::NoError;
+    }
+
+    Socks5ProxyProtocolConfig *socks5Config = config.getSocks5ProxyProtocolConfig();
+    if (!socks5Config) {
+        return ErrorCode::NoError;
+    }
+
+    ErrorCode readError = ErrorCode::NoError;
+    const QByteArray configRaw = sshSession->getTextFileFromContainer(
+            container, credentials, QString::fromUtf8(protocols::socks5Proxy::proxyConfigPath), readError);
+    if (readError != ErrorCode::NoError || configRaw.trimmed().isEmpty()) {
+        return ErrorCode::NoError;
+    }
+
+    const QString proxyConfig = QString::fromUtf8(configRaw);
+    static const QRegularExpression usernameAndPasswordRegExp(QStringLiteral("users (\\w+):CL:(\\w+)"));
+    const QRegularExpressionMatch usernameAndPasswordMatch = usernameAndPasswordRegExp.match(proxyConfig);
+    if (usernameAndPasswordMatch.hasMatch()) {
+        socks5Config->userName = usernameAndPasswordMatch.captured(1);
+        socks5Config->password = usernameAndPasswordMatch.captured(2);
+    }
+
     return ErrorCode::NoError;
 }
-

client/core/installers/telemtInstaller.cpp

@@ -0,0 +1,79 @@
+#include "telemtInstaller.h"
+
+#include "core/utils/containerEnum.h"
+#include "core/utils/containers/containerUtils.h"
+#include "core/utils/selfhosted/sshSession.h"
+#include "core/models/containerConfig.h"
+#include "core/models/protocols/telemtProtocolConfig.h"
+
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonParseError>
+#include <QRegularExpression>
+
+#include <QtGlobal>
+
+using namespace amnezia;
+
+namespace {
+    constexpr QLatin1String kTelemtClientJsonPath("/data/amnezia-telemt-client.json");
+    constexpr QLatin1String kTelemtClientJsonUploadPath("data/amnezia-telemt-client.json");
+    constexpr QLatin1String kTelemtSecretPath("/data/secret");
+}
+
+TelemtInstaller::TelemtInstaller(QObject *parent) : InstallerBase(parent) {}
+
+ErrorCode TelemtInstaller::extractConfigFromContainer(DockerContainer container, const ServerCredentials &credentials,
+                                                      SshSession *sshSession, ContainerConfig &config) {
+    if (container != DockerContainer::Telemt || !sshSession) {
+        return ErrorCode::NoError;
+    }
+
+    TelemtProtocolConfig *tc = config.getTelemtProtocolConfig();
+    if (!tc) {
+        return ErrorCode::NoError;
+    }
+
+    ErrorCode jsonErr = ErrorCode::NoError;
+    const QByteArray jsonRaw =
+            sshSession->getTextFileFromContainer(container, credentials, QString(kTelemtClientJsonPath), jsonErr);
+    if (jsonErr == ErrorCode::NoError && !jsonRaw.trimmed().isEmpty()) {
+        QJsonParseError parseError;
+        const QJsonDocument doc = QJsonDocument::fromJson(jsonRaw.trimmed(), &parseError);
+        if (parseError.error == QJsonParseError::NoError && doc.isObject()) {
+            QJsonObject merged = tc->toJson();
+            const QJsonObject snap = doc.object();
+            for (auto it = snap.constBegin(); it != snap.constEnd(); ++it) {
+                merged.insert(it.key(), it.value());
+            }
+            *tc = TelemtProtocolConfig::fromJson(merged);
+        }
+    }
+
+    ErrorCode secretErr = ErrorCode::NoError;
+    const QByteArray secretRaw =
+            sshSession->getTextFileFromContainer(container, credentials, QString(kTelemtSecretPath), secretErr);
+    const QString sec = QString::fromUtf8(secretRaw).trimmed();
+    if (sec.length() == 32) {
+        static const QRegularExpression hex32(QStringLiteral("^[0-9a-fA-F]{32}$"));
+        if (hex32.match(sec).hasMatch()) {
+            tc->secret = sec;
+        }
+    }
+
+    return ErrorCode::NoError;
+}
+
+void TelemtInstaller::uploadClientSettingsSnapshot(SshSession &sshSession, const ServerCredentials &credentials,
+                                                   DockerContainer container, const ContainerConfig &config) {
+    const TelemtProtocolConfig *tc = config.getTelemtProtocolConfig();
+    if (!tc) {
+        return;
+    }
+    const QByteArray payload = QJsonDocument(tc->toJson()).toJson(QJsonDocument::Compact);
+    const ErrorCode err = sshSession.uploadTextFileToContainer(container, credentials, QString::fromUtf8(payload),
+                                                               QString(kTelemtClientJsonUploadPath));
+    if (err != ErrorCode::NoError) {
+        qWarning() << "TelemtInstaller::uploadClientSettingsSnapshot failed" << err;
+    }
+}

client/core/installers/telemtInstaller.h

@@ -0,0 +1,20 @@
+#ifndef TELEMTINSTALLER_H
+#define TELEMTINSTALLER_H
+
+#include "installerBase.h"
+
+class TelemtInstaller : public InstallerBase {
+Q_OBJECT
+public:
+    explicit TelemtInstaller(QObject *parent = nullptr);
+
+    amnezia::ErrorCode
+    extractConfigFromContainer(amnezia::DockerContainer container, const amnezia::ServerCredentials &credentials,
+                               SshSession *sshSession, amnezia::ContainerConfig &config) override;
+
+    static void uploadClientSettingsSnapshot(SshSession &sshSession, const amnezia::ServerCredentials &credentials,
+                                             amnezia::DockerContainer container,
+                                             const amnezia::ContainerConfig &config);
+};
+
+#endif // TELEMTINSTALLER_H

client/core/installers/xrayInstaller.cpp

@@ -14,8 +14,18 @@
 #include "core/models/protocols/xrayProtocolConfig.h"
 #include "logger.h"
 
-namespace {
+namespace
+{
     Logger logger("XrayInstaller");
+
+    // Xray expects uTLS preset names (chrome, firefox, …). Old Amnezia/server templates used "Mozilla/5.0".
+    QString normalizeXrayFingerprint(const QString &fp)
+    {
+        if (fp.isEmpty() || fp.contains(QLatin1String("Mozilla/5.0"), Qt::CaseInsensitive)) {
+            return QString::fromLatin1(protocols::xray::defaultFingerprint);
+        }
+        return fp;
+    }
 }
 
 using namespace amnezia;
@@ -63,18 +73,251 @@ ErrorCode XrayInstaller::extractConfigFromContainer(DockerContainer container, c
     }
 
     QJsonObject streamSettings = inbound[protocols::xray::streamSettings].toObject();
-    QJsonObject realitySettings = streamSettings[protocols::xray::realitySettings].toObject();
-    if (!realitySettings.contains(protocols::xray::serverNames)) {
-        logger.error() << "Settings missing 'serverNames' field";
+    auto *xrayConfig = config.getXrayProtocolConfig();
+    if (!xrayConfig) {
+        logger.error() << "No XrayProtocolConfig in ContainerConfig";
         return ErrorCode::InternalError;
     }
 
-    QString siteName = realitySettings[protocols::xray::serverNames][0].toString();
+    XrayServerConfig &srv = xrayConfig->serverConfig;
 
-    if (auto* xrayConfig = config.getXrayProtocolConfig()) {
-        xrayConfig->serverConfig.site = siteName;
+    // ── Port ─────────────────────────────────────────────────────────
+    if (inbound.contains(protocols::xray::port)) {
+        srv.port = QString::number(inbound[protocols::xray::port].toInt());
     }
-    
+
+    // ── Network (transport) ───────────────────────────────────────────
+    QString networkVal = streamSettings.value(protocols::xray::network).toString("tcp");
+    if (networkVal == "xhttp") {
+        srv.transport = "xhttp";
+    } else if (networkVal == "kcp") {
+        srv.transport = "mkcp";
+    } else {
+        srv.transport = "raw";
+    }
+
+    // ── Security ──────────────────────────────────────────────────────
+    srv.security = streamSettings.value(protocols::xray::security).toString("reality");
+
+    // ── Reality settings ──────────────────────────────────────────────
+    if (srv.security == "reality") {
+        QJsonObject rs = streamSettings.value(protocols::xray::realitySettings).toObject();
+
+        // serverNames array → site + sni
+        if (rs.contains(protocols::xray::serverNames)) {
+            QString sniVal = rs[protocols::xray::serverNames].toArray().first().toString();
+            srv.sni = sniVal;
+            srv.site = sniVal;
+        } else if (rs.contains(protocols::xray::serverName)) {
+            srv.sni = rs[protocols::xray::serverName].toString();
+            srv.site = srv.sni;
+        }
+
+        srv.fingerprint = normalizeXrayFingerprint(rs.value(protocols::xray::fingerprint).toString());
+    }
+
+    // ── TLS settings ──────────────────────────────────────────────────
+    if (srv.security == "tls") {
+        QJsonObject tls = streamSettings.value("tlsSettings").toObject();
+        srv.sni = tls.value(protocols::xray::serverName).toString();
+        srv.fingerprint = normalizeXrayFingerprint(tls.value(protocols::xray::fingerprint).toString());
+
+        QJsonArray alpnArr = tls.value("alpn").toArray();
+        QStringList alpnList;
+        for (const QJsonValue &v : alpnArr) {
+            alpnList << v.toString();
+        }
+        srv.alpn = alpnList.join(",");
+    }
+
+    // ── Flow (from users array) ───────────────────────────────────────
+    if (inbound.contains(protocols::xray::settings)) {
+        QJsonObject s = inbound[protocols::xray::settings].toObject();
+        QJsonArray clientsArr = s.value(protocols::xray::clients).toArray();
+        if (!clientsArr.isEmpty()) {
+            srv.flow = clientsArr[0].toObject().value(protocols::xray::flow).toString();
+        }
+    }
+
+    // ── XHTTP settings (Xray-core SplitHTTPConfig + legacy Amnezia keys) ──
+    if (srv.transport == "xhttp") {
+        QJsonObject xhttpObj = streamSettings.value("xhttpSettings").toObject();
+        {
+            const QString m = xhttpObj.value("mode").toString();
+            if (m.isEmpty() || m == QLatin1String("auto"))
+                srv.xhttp.mode = QStringLiteral("Auto");
+            else if (m == QLatin1String("packet-up"))
+                srv.xhttp.mode = QStringLiteral("Packet-up");
+            else if (m == QLatin1String("stream-up"))
+                srv.xhttp.mode = QStringLiteral("Stream-up");
+            else if (m == QLatin1String("stream-one"))
+                srv.xhttp.mode = QStringLiteral("Stream-one");
+            else
+                srv.xhttp.mode = m;
+        }
+
+        srv.xhttp.host = xhttpObj.value("host").toString();
+        srv.xhttp.path = xhttpObj.value("path").toString();
+
+        {
+            const QJsonObject hdrs = xhttpObj.value("headers").toObject();
+            if (hdrs.contains(QLatin1String("Host")) || !hdrs.isEmpty())
+                srv.xhttp.headersTemplate = QStringLiteral("HTTP");
+        }
+
+        if (xhttpObj.contains(QLatin1String("uplinkHTTPMethod")))
+            srv.xhttp.uplinkMethod = xhttpObj.value("uplinkHTTPMethod").toString();
+        else
+            srv.xhttp.uplinkMethod = xhttpObj.value("method").toString();
+
+        srv.xhttp.disableGrpc = xhttpObj.value("noGRPCHeader").toBool(true);
+        srv.xhttp.disableSse = xhttpObj.value("noSSEHeader").toBool(true);
+
+        auto sessionSeqUi = [](const QString &core) -> QString {
+            if (core.isEmpty() || core == QLatin1String("path"))
+                return QStringLiteral("Path");
+            if (core == QLatin1String("cookie"))
+                return QStringLiteral("Cookie");
+            if (core == QLatin1String("header"))
+                return QStringLiteral("Header");
+            if (core == QLatin1String("query"))
+                return QStringLiteral("Query");
+            return core;
+        };
+        QString sess = xhttpObj.value("sessionPlacement").toString();
+        if (sess.isEmpty())
+            sess = xhttpObj.value("scSessionPlacement").toString();
+        srv.xhttp.sessionPlacement = sessionSeqUi(sess);
+
+        QString seq = xhttpObj.value("seqPlacement").toString();
+        if (seq.isEmpty())
+            seq = xhttpObj.value("scSeqPlacement").toString();
+        srv.xhttp.seqPlacement = sessionSeqUi(seq);
+
+        auto uplinkDataUi = [](const QString &core) -> QString {
+            if (core.isEmpty() || core == QLatin1String("body"))
+                return QStringLiteral("Body");
+            if (core == QLatin1String("auto"))
+                return QStringLiteral("Auto");
+            if (core == QLatin1String("header"))
+                return QStringLiteral("Header");
+            if (core == QLatin1String("cookie"))
+                return QStringLiteral("Cookie");
+            return core;
+        };
+        QString udata = xhttpObj.value("uplinkDataPlacement").toString();
+        if (udata.isEmpty())
+            udata = xhttpObj.value("scUplinkDataPlacement").toString();
+        srv.xhttp.uplinkDataPlacement = uplinkDataUi(udata);
+
+        srv.xhttp.sessionKey = xhttpObj.value("sessionKey").toString();
+        srv.xhttp.seqKey = xhttpObj.value("seqKey").toString();
+        srv.xhttp.uplinkDataKey = xhttpObj.value("uplinkDataKey").toString();
+
+        if (xhttpObj.contains(QLatin1String("uplinkChunkSize"))) {
+            QJsonObject uc = xhttpObj.value("uplinkChunkSize").toObject();
+            if (!uc.isEmpty())
+                srv.xhttp.uplinkChunkSize = QString::number(uc.value("from").toInt());
+        } else if (xhttpObj.contains(QLatin1String("xhttpUplinkChunkSize"))) {
+            srv.xhttp.uplinkChunkSize = QString::number(xhttpObj.value("xhttpUplinkChunkSize").toInt());
+        }
+        if (xhttpObj.contains(QLatin1String("scMaxBufferedPosts"))) {
+            srv.xhttp.scMaxBufferedPosts = QString::number(xhttpObj.value("scMaxBufferedPosts").toVariant().toLongLong());
+        }
+
+        auto readRange = [&](const char *key, QString &minOut, QString &maxOut) {
+            QJsonObject r = xhttpObj.value(QLatin1String(key)).toObject();
+            if (!r.isEmpty()) {
+                minOut = QString::number(r.value("from").toInt());
+                maxOut = QString::number(r.value("to").toInt());
+            }
+        };
+        readRange("scMaxEachPostBytes", srv.xhttp.scMaxEachPostBytesMin, srv.xhttp.scMaxEachPostBytesMax);
+        readRange("scMinPostsIntervalMs", srv.xhttp.scMinPostsIntervalMsMin, srv.xhttp.scMinPostsIntervalMsMax);
+        readRange("scStreamUpServerSecs", srv.xhttp.scStreamUpServerSecsMin, srv.xhttp.scStreamUpServerSecsMax);
+
+        auto loadPaddingFromObject = [&](const QJsonObject &pad) {
+            if (pad.contains(QLatin1String("xPaddingObfsMode")))
+                srv.xhttp.xPadding.obfsMode = pad.value("xPaddingObfsMode").toBool(true);
+            srv.xhttp.xPadding.key = pad.value("xPaddingKey").toString();
+            srv.xhttp.xPadding.header = pad.value("xPaddingHeader").toString();
+            srv.xhttp.xPadding.placement = pad.value("xPaddingPlacement").toString();
+            srv.xhttp.xPadding.method = pad.value("xPaddingMethod").toString();
+            QJsonObject bytesRange = pad.value("xPaddingBytes").toObject();
+            if (!bytesRange.isEmpty()) {
+                srv.xhttp.xPadding.bytesMin = QString::number(bytesRange.value("from").toInt());
+                srv.xhttp.xPadding.bytesMax = QString::number(bytesRange.value("to").toInt());
+            }
+            QString pl = srv.xhttp.xPadding.placement.toLower();
+            if (pl == QLatin1String("cookie"))
+                srv.xhttp.xPadding.placement = QStringLiteral("Cookie");
+            else if (pl == QLatin1String("header"))
+                srv.xhttp.xPadding.placement = QStringLiteral("Header");
+            else if (pl == QLatin1String("query"))
+                srv.xhttp.xPadding.placement = QStringLiteral("Query");
+            else if (pl == QLatin1String("queryinheader"))
+                srv.xhttp.xPadding.placement = QStringLiteral("Query in header");
+            QString met = srv.xhttp.xPadding.method.toLower();
+            if (met == QLatin1String("repeat-x"))
+                srv.xhttp.xPadding.method = QStringLiteral("Repeat-x");
+            else if (met == QLatin1String("tokenish"))
+                srv.xhttp.xPadding.method = QStringLiteral("Tokenish");
+        };
+        if (xhttpObj.contains(QLatin1String("xPaddingObfsMode")) || xhttpObj.contains(QLatin1String("xPaddingKey"))
+            || !xhttpObj.value("xPaddingBytes").toObject().isEmpty()) {
+            loadPaddingFromObject(xhttpObj);
+        } else if (xhttpObj.contains(QLatin1String("xPadding")) && xhttpObj.value("xPadding").isObject()) {
+            const QJsonObject nested = xhttpObj.value("xPadding").toObject();
+            if (!nested.isEmpty()) {
+                loadPaddingFromObject(nested);
+                if (!nested.contains(QLatin1String("xPaddingObfsMode")))
+                    srv.xhttp.xPadding.obfsMode = true;
+            }
+        }
+
+        if (xhttpObj.contains(QLatin1String("xmux"))) {
+            QJsonObject mux = xhttpObj.value("xmux").toObject();
+            srv.xhttp.xmux.enabled = true;
+
+            auto readMuxRange = [&](const char *key, QString &minOut, QString &maxOut) {
+                QJsonObject r = mux.value(QLatin1String(key)).toObject();
+                if (!r.isEmpty()) {
+                    minOut = QString::number(r.value("from").toInt());
+                    maxOut = QString::number(r.value("to").toInt());
+                }
+            };
+            readMuxRange("maxConcurrency", srv.xhttp.xmux.maxConcurrencyMin, srv.xhttp.xmux.maxConcurrencyMax);
+            readMuxRange("maxConnections", srv.xhttp.xmux.maxConnectionsMin, srv.xhttp.xmux.maxConnectionsMax);
+            readMuxRange("cMaxReuseTimes", srv.xhttp.xmux.cMaxReuseTimesMin, srv.xhttp.xmux.cMaxReuseTimesMax);
+            readMuxRange("hMaxRequestTimes", srv.xhttp.xmux.hMaxRequestTimesMin, srv.xhttp.xmux.hMaxRequestTimesMax);
+            readMuxRange("hMaxReusableSecs", srv.xhttp.xmux.hMaxReusableSecsMin, srv.xhttp.xmux.hMaxReusableSecsMax);
+
+            if (mux.contains(QLatin1String("hKeepAlivePeriod")))
+                srv.xhttp.xmux.hKeepAlivePeriod = QString::number(mux.value("hKeepAlivePeriod").toVariant().toLongLong());
+        }
+    }
+
+    // ── mKCP settings ─────────────────────────────────────────────────
+    if (srv.transport == "mkcp") {
+        QJsonObject kcp = streamSettings.value("kcpSettings").toObject();
+        if (kcp.contains("tti")) {
+            srv.mkcp.tti = QString::number(kcp["tti"].toInt());
+        }
+        if (kcp.contains("uplinkCapacity")) {
+            srv.mkcp.uplinkCapacity = QString::number(kcp["uplinkCapacity"].toInt());
+        }
+        if (kcp.contains("downlinkCapacity")) {
+            srv.mkcp.downlinkCapacity = QString::number(kcp["downlinkCapacity"].toInt());
+        }
+        if (kcp.contains("readBufferSize")) {
+            srv.mkcp.readBufferSize = QString::number(kcp["readBufferSize"].toInt());
+        }
+        if (kcp.contains("writeBufferSize")) {
+            srv.mkcp.writeBufferSize = QString::number(kcp["writeBufferSize"].toInt());
+        }
+        srv.mkcp.congestion = kcp.value("congestion").toBool(true);
+    }
+
     return ErrorCode::NoError;
 }
 

client/core/models/api/apiV2ServerConfig.cpp

@@ -13,6 +13,7 @@
 #include "core/utils/api/apiUtils.h"
 #include "core/models/api/apiConfig.h"
 #include "core/models/api/authData.h"
+#include "core/utils/networkUtilities.h"
 
 namespace amnezia
 {
@@ -67,6 +68,20 @@ ContainerConfig ApiV2ServerConfig::containerConfig(DockerContainer container) co
     return containers.value(container);
 }
 
+QPair<QString, QString> ApiV2ServerConfig::getDnsPair(const QString &primaryDns, const QString &secondaryDns) const
+{
+    QString d1 = dns1;
+    QString d2 = dns2;
+
+    if (d1.isEmpty() || !NetworkUtilities::checkIPv4Format(d1)) {
+        d1 = primaryDns;
+    }
+    if (d2.isEmpty() || !NetworkUtilities::checkIPv4Format(d2)) {
+        d2 = secondaryDns;
+    }
+    return { d1, d2 };
+}
+
 QJsonObject ApiV2ServerConfig::toJson() const
 {
     QJsonObject obj;
@@ -80,9 +95,6 @@ QJsonObject ApiV2ServerConfig::toJson() const
     if (!description.isEmpty()) {
         obj[configKey::description] = description;
     }
-    if (!displayName.isEmpty()) {
-        obj[configKey::displayName] = displayName;
-    }
     
     obj[configKey::configVersion] = configVersion;
     
@@ -134,7 +146,6 @@ ApiV2ServerConfig ApiV2ServerConfig::fromJson(const QJsonObject& json)
     config.name = json.value(configKey::name).toString();
     config.nameOverriddenByUser = json.value(configKey::nameOverriddenByUser).toBool(false);
     config.description = json.value(configKey::description).toString();
-    config.displayName = json.value(configKey::displayName).toString();
     config.configVersion = json.value(configKey::configVersion).toInt(2);
     config.hostName = json.value(configKey::hostName).toString();
     

client/core/models/api/apiV2ServerConfig.h

@@ -3,6 +3,7 @@
 
 #include <QJsonObject>
 #include <QMap>
+#include <QPair>
 
 #include "core/utils/containerEnum.h"
 #include "core/utils/containers/containerUtils.h"
@@ -43,6 +44,9 @@ struct ApiV2ServerConfig {
     bool isExternalPremium() const;
     bool hasContainers() const;
     ContainerConfig containerConfig(DockerContainer container) const;
+
+    QPair<QString, QString> getDnsPair(const QString &primaryDns, const QString &secondaryDns) const;
+
     QJsonObject toJson() const;
     static ApiV2ServerConfig fromJson(const QJsonObject& json);
 };

client/core/models/api/legacyApiServerConfig.cpp

@@ -23,9 +23,7 @@ LegacyApiServerConfig LegacyApiServerConfig::fromJson(const QJsonObject &json)
 {
     LegacyApiServerConfig config;
 
-    config.name = json.value(configKey::name).toString();
     config.description = json.value(configKey::description).toString();
-    config.displayName = json.value(configKey::displayName).toString();
     config.hostName = json.value(configKey::hostName).toString();
 
     config.crc = json.value(configKey::crc).toInt(0);

client/core/models/containerConfig.cpp

@@ -113,6 +113,26 @@ const Socks5ProxyProtocolConfig* ContainerConfig::getSocks5ProxyProtocolConfig()
     return protocolConfig.as<Socks5ProxyProtocolConfig>();
 }
 
+MtProxyProtocolConfig* ContainerConfig::getMtProxyProtocolConfig()
+{
+    return protocolConfig.as<MtProxyProtocolConfig>();
+}
+
+const MtProxyProtocolConfig* ContainerConfig::getMtProxyProtocolConfig() const
+{
+    return protocolConfig.as<MtProxyProtocolConfig>();
+}
+
+TelemtProtocolConfig* ContainerConfig::getTelemtProtocolConfig()
+{
+    return protocolConfig.as<TelemtProtocolConfig>();
+}
+
+const TelemtProtocolConfig* ContainerConfig::getTelemtProtocolConfig() const
+{
+    return protocolConfig.as<TelemtProtocolConfig>();
+}
+
 Ikev2ProtocolConfig* ContainerConfig::getIkev2ProtocolConfig()
 {
     return protocolConfig.as<Ikev2ProtocolConfig>();

client/core/models/containerConfig.h

@@ -57,6 +57,12 @@ struct ContainerConfig {
     Socks5ProxyProtocolConfig* getSocks5ProxyProtocolConfig();
     const Socks5ProxyProtocolConfig* getSocks5ProxyProtocolConfig() const;
     
+    MtProxyProtocolConfig* getMtProxyProtocolConfig();
+    const MtProxyProtocolConfig* getMtProxyProtocolConfig() const;
+
+    TelemtProtocolConfig* getTelemtProtocolConfig();
+    const TelemtProtocolConfig* getTelemtProtocolConfig() const;
+
     Ikev2ProtocolConfig* getIkev2ProtocolConfig();
     const Ikev2ProtocolConfig* getIkev2ProtocolConfig() const;
     

client/core/models/protocolConfig.cpp

@@ -9,6 +9,8 @@
 #include "core/utils/protocolEnum.h"
 #include "core/models/protocols/ikev2ProtocolConfig.h"
 #include "core/models/protocols/dnsProtocolConfig.h"
+#include "core/models/protocols/mtProxyProtocolConfig.h"
+#include "core/models/protocols/telemtProtocolConfig.h"
 
 namespace amnezia
 {
@@ -38,6 +40,10 @@ Proto ProtocolConfig::type() const
             return Proto::TorWebSite;
         } else if constexpr (std::is_same_v<T, DnsProtocolConfig>) {
             return Proto::Dns;
+        } else if constexpr (std::is_same_v<T, MtProxyProtocolConfig>) {
+            return Proto::MtProxy;
+        } else if constexpr (std::is_same_v<T, TelemtProtocolConfig>) {
+            return Proto::Telemt;
         }
         return Proto::Unknown;
     }, data);
@@ -65,6 +71,10 @@ QString ProtocolConfig::port() const
             return QString();
         } else if constexpr (std::is_same_v<T, DnsProtocolConfig>) {
             return QString();
+        } else if constexpr (std::is_same_v<T, MtProxyProtocolConfig>) {
+            return arg.port.isEmpty() ? QString(protocols::mtProxy::defaultPort) : arg.port;
+        } else if constexpr (std::is_same_v<T, TelemtProtocolConfig>) {
+            return arg.port.isEmpty() ? QString(protocols::telemt::defaultPort) : arg.port;
         }
         return QString();
     }, data);
@@ -88,6 +98,10 @@ QString ProtocolConfig::transportProto() const
             return QString();
         } else if constexpr (std::is_same_v<T, DnsProtocolConfig>) {
             return QString();
+        } else if constexpr (std::is_same_v<T, MtProxyProtocolConfig>) {
+            return QStringLiteral("tcp");
+        } else if constexpr (std::is_same_v<T, TelemtProtocolConfig>) {
+            return QStringLiteral("tcp");
         }
         return QString();
     }, data);
@@ -299,6 +313,10 @@ ProtocolConfig ProtocolConfig::fromJson(const QJsonObject& json, Proto type)
         return ProtocolConfig{TorProtocolConfig::fromJson(json)};
     case Proto::Dns:
         return ProtocolConfig{DnsProtocolConfig::fromJson(json)};
+    case Proto::MtProxy:
+        return ProtocolConfig{MtProxyProtocolConfig::fromJson(json)};
+    case Proto::Telemt:
+        return ProtocolConfig{TelemtProtocolConfig::fromJson(json)};
     default:
         return ProtocolConfig{AwgProtocolConfig{}};
     }

client/core/models/protocolConfig.h

@@ -22,6 +22,8 @@
 #include "core/models/protocols/ikev2ProtocolConfig.h"
 #include "core/models/protocols/torProtocolConfig.h"
 #include "core/models/protocols/dnsProtocolConfig.h"
+#include "core/models/protocols/mtProxyProtocolConfig.h"
+#include "core/models/protocols/telemtProtocolConfig.h"
 
 namespace amnezia
 {
@@ -36,6 +38,8 @@ struct ProtocolConfig {
         XrayProtocolConfig,
         SftpProtocolConfig,
         Socks5ProxyProtocolConfig,
+        MtProxyProtocolConfig,
+        TelemtProtocolConfig,
         Ikev2ProtocolConfig,
         TorProtocolConfig,
         DnsProtocolConfig

client/core/models/protocols/mtProxyProtocolConfig.cpp

@@ -0,0 +1,147 @@
+#include "mtProxyProtocolConfig.h"
+
+#include "../../../core/utils/protocolEnum.h"
+#include "../../../core/protocols/protocolUtils.h"
+#include "../../../core/utils/constants/configKeys.h"
+#include "../../../core/utils/constants/protocolConstants.h"
+#include <QJsonArray>
+
+#include <algorithm>
+
+using namespace amnezia;
+
+namespace amnezia {
+
+    QJsonObject MtProxyProtocolConfig::toJson() const {
+        QJsonObject obj;
+
+        if (!port.isEmpty()) {
+            obj[configKey::port] = port;
+        }
+        if (!secret.isEmpty()) {
+            obj[protocols::mtProxy::secretKey] = secret;
+        }
+        if (!tag.isEmpty()) {
+            obj[protocols::mtProxy::tagKey] = tag;
+        }
+        if (!tgLink.isEmpty()) {
+            obj[protocols::mtProxy::tgLinkKey] = tgLink;
+        }
+        if (!tmeLink.isEmpty()) {
+            obj[protocols::mtProxy::tmeLinkKey] = tmeLink;
+        }
+        obj[protocols::mtProxy::isEnabledKey] = isEnabled;
+        if (!publicHost.isEmpty()) {
+            obj[protocols::mtProxy::publicHostKey] = publicHost;
+        }
+        if (!transportMode.isEmpty()) {
+            obj[protocols::mtProxy::transportModeKey] = transportMode;
+        }
+        if (!tlsDomain.isEmpty()) {
+            obj[protocols::mtProxy::tlsDomainKey] = tlsDomain;
+        }
+        if (!additionalSecrets.isEmpty()) {
+            obj[protocols::mtProxy::additionalSecretsKey] = QJsonArray::fromStringList(additionalSecrets);
+        }
+        if (!workersMode.isEmpty()) {
+            obj[protocols::mtProxy::workersModeKey] = workersMode;
+        }
+        if (!workers.isEmpty()) {
+            obj[protocols::mtProxy::workersKey] = workers;
+        }
+        obj[protocols::mtProxy::natEnabledKey] = natEnabled;
+        if (!natInternalIp.isEmpty()) {
+            obj[protocols::mtProxy::natInternalIpKey] = natInternalIp;
+        }
+        if (!natExternalIp.isEmpty()) {
+            obj[protocols::mtProxy::natExternalIpKey] = natExternalIp;
+        }
+
+        return obj;
+    }
+
+    MtProxyProtocolConfig MtProxyProtocolConfig::fromJson(const QJsonObject &json) {
+        MtProxyProtocolConfig config;
+
+        config.port = json.value(configKey::port).toString();
+        config.secret = json.value(protocols::mtProxy::secretKey).toString();
+        config.tag = json.value(protocols::mtProxy::tagKey).toString();
+        config.tgLink = json.value(protocols::mtProxy::tgLinkKey).toString();
+        config.tmeLink = json.value(protocols::mtProxy::tmeLinkKey).toString();
+        config.isEnabled = json.value(protocols::mtProxy::isEnabledKey).toBool(true);
+        config.publicHost = json.value(protocols::mtProxy::publicHostKey).toString();
+        config.transportMode = json.value(protocols::mtProxy::transportModeKey).toString();
+        config.tlsDomain = json.value(protocols::mtProxy::tlsDomainKey).toString();
+        for (const auto &v: json.value(protocols::mtProxy::additionalSecretsKey).toArray()) {
+            const QString s = v.toString();
+            if (!s.isEmpty()) {
+                config.additionalSecrets.append(s);
+            }
+        }
+        config.workersMode = json.value(protocols::mtProxy::workersModeKey).toString();
+        config.workers = json.value(protocols::mtProxy::workersKey).toString();
+        config.natEnabled = json.value(protocols::mtProxy::natEnabledKey).toBool(false);
+        config.natInternalIp = json.value(protocols::mtProxy::natInternalIpKey).toString();
+        config.natExternalIp = json.value(protocols::mtProxy::natExternalIpKey).toString();
+
+        return config;
+    }
+
+    bool MtProxyProtocolConfig::equalsDockerDeploymentSettings(const MtProxyProtocolConfig &other) const {
+        const auto normPort = [](const QString &p) {
+            return p.isEmpty() ? QString(protocols::mtProxy::defaultPort) : p;
+        };
+        const auto normTransport = [](const QString &t) {
+            return t.isEmpty() ? QString(protocols::mtProxy::transportModeStandard) : t;
+        };
+        const auto normWorkersMode = [](const QString &m) {
+            return m.isEmpty() ? QString(protocols::mtProxy::workersModeAuto) : m;
+        };
+
+        if (normPort(port) != normPort(other.port)) {
+            return false;
+        }
+        if (normTransport(transportMode) != normTransport(other.transportMode)) {
+            return false;
+        }
+        if (tlsDomain != other.tlsDomain) {
+            return false;
+        }
+        if (secret != other.secret) {
+            return false;
+        }
+        if (tag != other.tag) {
+            return false;
+        }
+        if (publicHost != other.publicHost) {
+            return false;
+        }
+        if (normWorkersMode(workersMode) != normWorkersMode(other.workersMode)) {
+            return false;
+        }
+        if (workers != other.workers) {
+            return false;
+        }
+        if (natEnabled != other.natEnabled) {
+            return false;
+        }
+        if (natInternalIp != other.natInternalIp) {
+            return false;
+        }
+        if (natExternalIp != other.natExternalIp) {
+            return false;
+        }
+        if (isEnabled != other.isEnabled) {
+            return false;
+        }
+
+        QStringList aa = additionalSecrets;
+        QStringList bb = other.additionalSecrets;
+        aa.removeAll(QString());
+        bb.removeAll(QString());
+        std::sort(aa.begin(), aa.end());
+        std::sort(bb.begin(), bb.end());
+        return aa == bb;
+    }
+
+} // namespace amnezia

client/core/models/protocols/mtProxyProtocolConfig.h

@@ -0,0 +1,38 @@
+#ifndef MTPROXYPROTOCOLCONFIG_H
+#define MTPROXYPROTOCOLCONFIG_H
+
+#include <QJsonObject>
+#include <QString>
+#include <QStringList>
+
+namespace amnezia {
+
+    struct MtProxyProtocolConfig {
+        QString port;
+        QString secret;
+        QString tag;
+        QString tgLink;
+        QString tmeLink;
+        bool isEnabled = true;
+        QString publicHost;
+        QString transportMode;
+        QString tlsDomain;
+        QStringList additionalSecrets;
+        QString workersMode;
+        QString workers;
+        bool natEnabled = false;
+        QString natInternalIp;
+        QString natExternalIp;
+
+        QJsonObject toJson() const;
+
+        static MtProxyProtocolConfig fromJson(const QJsonObject &json);
+
+        // Port, transport, TLS, secrets, NAT, workers, isEnabled, additionalSecrets (order-independent).
+        // Ignores tgLink / tmeLink (derived / display).
+        bool equalsDockerDeploymentSettings(const MtProxyProtocolConfig &other) const;
+    };
+
+} // namespace amnezia
+
+#endif // MTPROXYPROTOCOLCONFIG_H

client/core/models/protocols/telemtProtocolConfig.cpp

@@ -0,0 +1,162 @@
+#include "telemtProtocolConfig.h"
+
+#include "core/utils/constants/configKeys.h"
+#include "core/utils/constants/protocolConstants.h"
+
+#include <QJsonArray>
+#include <algorithm>
+
+using namespace amnezia;
+
+QJsonObject TelemtProtocolConfig::toJson() const
+{
+    QJsonObject obj;
+    if (!port.isEmpty()) {
+        obj[QString(configKey::port)] = port;
+    }
+    if (!secret.isEmpty()) {
+        obj[protocols::telemt::secretKey] = secret;
+    }
+    if (!tag.isEmpty()) {
+        obj[protocols::telemt::tagKey] = tag;
+    }
+    if (!tgLink.isEmpty()) {
+        obj[protocols::telemt::tgLinkKey] = tgLink;
+    }
+    if (!tmeLink.isEmpty()) {
+        obj[protocols::telemt::tmeLinkKey] = tmeLink;
+    }
+    obj[protocols::telemt::isEnabledKey] = isEnabled;
+    if (!publicHost.isEmpty()) {
+        obj[protocols::telemt::publicHostKey] = publicHost;
+    }
+    if (!transportMode.isEmpty()) {
+        obj[protocols::telemt::transportModeKey] = transportMode;
+    }
+    if (!tlsDomain.isEmpty()) {
+        obj[protocols::telemt::tlsDomainKey] = tlsDomain;
+    }
+    obj[protocols::telemt::maskEnabledKey] = maskEnabled;
+    obj[protocols::telemt::tlsEmulationKey] = tlsEmulation;
+    obj[protocols::telemt::useMiddleProxyKey] = useMiddleProxy;
+    if (!userName.isEmpty()) {
+        obj[protocols::telemt::userNameKey] = userName;
+    }
+    if (!additionalSecrets.isEmpty()) {
+        obj[protocols::telemt::additionalSecretsKey] = QJsonArray::fromStringList(additionalSecrets);
+    }
+    if (!workersMode.isEmpty()) {
+        obj[protocols::telemt::workersModeKey] = workersMode;
+    }
+    if (!workers.isEmpty()) {
+        obj[protocols::telemt::workersKey] = workers;
+    }
+    obj[protocols::telemt::natEnabledKey] = natEnabled;
+    if (!natInternalIp.isEmpty()) {
+        obj[protocols::telemt::natInternalIpKey] = natInternalIp;
+    }
+    if (!natExternalIp.isEmpty()) {
+        obj[protocols::telemt::natExternalIpKey] = natExternalIp;
+    }
+    return obj;
+}
+
+TelemtProtocolConfig TelemtProtocolConfig::fromJson(const QJsonObject &json)
+{
+    TelemtProtocolConfig c;
+    c.port = json.value(QString(configKey::port)).toString();
+    c.secret = json.value(protocols::telemt::secretKey).toString();
+    c.tag = json.value(protocols::telemt::tagKey).toString();
+    c.tgLink = json.value(protocols::telemt::tgLinkKey).toString();
+    c.tmeLink = json.value(protocols::telemt::tmeLinkKey).toString();
+    c.isEnabled = json.value(protocols::telemt::isEnabledKey).toBool(true);
+    c.publicHost = json.value(protocols::telemt::publicHostKey).toString();
+    c.transportMode = json.value(protocols::telemt::transportModeKey).toString();
+    c.tlsDomain = json.value(protocols::telemt::tlsDomainKey).toString();
+    c.maskEnabled = json.value(protocols::telemt::maskEnabledKey).toBool(true);
+    c.tlsEmulation = json.value(protocols::telemt::tlsEmulationKey).toBool(false);
+    c.useMiddleProxy = json.value(protocols::telemt::useMiddleProxyKey).toBool(true);
+    c.userName = json.value(protocols::telemt::userNameKey).toString();
+    for (const auto &v : json.value(protocols::telemt::additionalSecretsKey).toArray()) {
+        const QString s = v.toString();
+        if (!s.isEmpty()) {
+            c.additionalSecrets.append(s);
+        }
+    }
+    c.workersMode = json.value(protocols::telemt::workersModeKey).toString();
+    c.workers = json.value(protocols::telemt::workersKey).toString();
+    c.natEnabled = json.value(protocols::telemt::natEnabledKey).toBool(false);
+    c.natInternalIp = json.value(protocols::telemt::natInternalIpKey).toString();
+    c.natExternalIp = json.value(protocols::telemt::natExternalIpKey).toString();
+    return c;
+}
+
+bool TelemtProtocolConfig::equalsDockerDeploymentSettings(const TelemtProtocolConfig &other) const
+{
+    const auto normPort = [](const QString &p) {
+        return p.isEmpty() ? QString(protocols::telemt::defaultPort) : p;
+    };
+    const auto normTransport = [](const QString &t) {
+        return t.isEmpty() ? QString(protocols::telemt::transportModeStandard) : t;
+    };
+    const auto normWorkersMode = [](const QString &m) {
+        return m.isEmpty() ? QString(protocols::telemt::workersModeAuto) : m;
+    };
+
+    if (normPort(port) != normPort(other.port)) {
+        return false;
+    }
+    if (normTransport(transportMode) != normTransport(other.transportMode)) {
+        return false;
+    }
+    if (tlsDomain != other.tlsDomain) {
+        return false;
+    }
+    if (secret != other.secret) {
+        return false;
+    }
+    if (tag != other.tag) {
+        return false;
+    }
+    if (publicHost != other.publicHost) {
+        return false;
+    }
+    if (maskEnabled != other.maskEnabled) {
+        return false;
+    }
+    if (tlsEmulation != other.tlsEmulation) {
+        return false;
+    }
+    if (useMiddleProxy != other.useMiddleProxy) {
+        return false;
+    }
+    if (userName != other.userName) {
+        return false;
+    }
+    if (normWorkersMode(workersMode) != normWorkersMode(other.workersMode)) {
+        return false;
+    }
+    if (workers != other.workers) {
+        return false;
+    }
+    if (natEnabled != other.natEnabled) {
+        return false;
+    }
+    if (natInternalIp != other.natInternalIp) {
+        return false;
+    }
+    if (natExternalIp != other.natExternalIp) {
+        return false;
+    }
+    if (isEnabled != other.isEnabled) {
+        return false;
+    }
+
+    QStringList aa = additionalSecrets;
+    QStringList bb = other.additionalSecrets;
+    aa.removeAll(QString());
+    bb.removeAll(QString());
+    std::sort(aa.begin(), aa.end());
+    std::sort(bb.begin(), bb.end());
+    return aa == bb;
+}

client/core/models/protocols/telemtProtocolConfig.h

@@ -0,0 +1,38 @@
+#ifndef TELEMTPROTOCOLCONFIG_H
+#define TELEMTPROTOCOLCONFIG_H
+
+#include <QJsonObject>
+#include <QString>
+#include <QStringList>
+
+namespace amnezia {
+
+struct TelemtProtocolConfig {
+    QString port;
+    QString secret;
+    QString tag;
+    QString tgLink;
+    QString tmeLink;
+    bool isEnabled = true;
+    QString publicHost;
+    QString transportMode;
+    QString tlsDomain;
+    bool maskEnabled = true;
+    bool tlsEmulation = false;
+    bool useMiddleProxy = true;
+    QString userName;
+    QStringList additionalSecrets;
+    QString workersMode;
+    QString workers;
+    bool natEnabled = false;
+    QString natInternalIp;
+    QString natExternalIp;
+
+    QJsonObject toJson() const;
+    static TelemtProtocolConfig fromJson(const QJsonObject &json);
+    bool equalsDockerDeploymentSettings(const TelemtProtocolConfig &other) const;
+};
+
+} // namespace amnezia
+
+#endif // TELEMTPROTOCOLCONFIG_H

client/core/models/protocols/xrayProtocolConfig.cpp

@@ -3,20 +3,267 @@
 #include <QJsonDocument>
 #include <QJsonArray>
 
-#include "../../../core/utils/protocolEnum.h"
-#include "../../../core/protocols/protocolUtils.h"
-#include "../../../core/utils/constants/configKeys.h"
-#include "../../../core/utils/constants/protocolConstants.h"
+#include "core/utils/protocolEnum.h"
+#include "core/protocols/protocolUtils.h"
+#include "core/utils/constants/configKeys.h"
+#include "core/utils/constants/protocolConstants.h"
 
 using namespace amnezia;
 using namespace ProtocolUtils;
+
 namespace amnezia
 {
+QJsonObject XrayXPaddingConfig::toJson() const
+{
+    QJsonObject obj;
+    if (!bytesMin.isEmpty())   obj[configKey::xPaddingBytesMin]  = bytesMin;
+    if (!bytesMax.isEmpty())   obj[configKey::xPaddingBytesMax]  = bytesMax;
+    obj[configKey::xPaddingObfsMode]  = obfsMode;
+    if (!key.isEmpty())        obj[configKey::xPaddingKey]       = key;
+    if (!header.isEmpty())     obj[configKey::xPaddingHeader]    = header;
+    if (!placement.isEmpty())  obj[configKey::xPaddingPlacement] = placement;
+    if (!method.isEmpty())     obj[configKey::xPaddingMethod]    = method;
+    return obj;
+}
+
+XrayXPaddingConfig XrayXPaddingConfig::fromJson(const QJsonObject &json)
+{
+    XrayXPaddingConfig c;
+    c.bytesMin  = json.value(configKey::xPaddingBytesMin).toString();
+    c.bytesMax  = json.value(configKey::xPaddingBytesMax).toString();
+    c.obfsMode  = json.value(configKey::xPaddingObfsMode).toBool(true);
+    c.key       = json.value(configKey::xPaddingKey).toString(protocols::xray::defaultSite);
+    c.header    = json.value(configKey::xPaddingHeader).toString();
+    c.placement = json.value(configKey::xPaddingPlacement).toString(protocols::xray::defaultXPaddingPlacement);
+    c.method    = json.value(configKey::xPaddingMethod).toString(protocols::xray::defaultXPaddingMethod);
+    return c;
+}
+
+QJsonObject XrayXmuxConfig::toJson() const
+{
+    QJsonObject obj;
+    obj[configKey::xmuxEnabled] = enabled;
+    if (!maxConcurrencyMin.isEmpty())   obj[configKey::xmuxMaxConcurrencyMin]   = maxConcurrencyMin;
+    if (!maxConcurrencyMax.isEmpty())   obj[configKey::xmuxMaxConcurrencyMax]   = maxConcurrencyMax;
+    if (!maxConnectionsMin.isEmpty())   obj[configKey::xmuxMaxConnectionsMin]   = maxConnectionsMin;
+    if (!maxConnectionsMax.isEmpty())   obj[configKey::xmuxMaxConnectionsMax]   = maxConnectionsMax;
+    if (!cMaxReuseTimesMin.isEmpty())   obj[configKey::xmuxCMaxReuseTimesMin]   = cMaxReuseTimesMin;
+    if (!cMaxReuseTimesMax.isEmpty())   obj[configKey::xmuxCMaxReuseTimesMax]   = cMaxReuseTimesMax;
+    if (!hMaxRequestTimesMin.isEmpty()) obj[configKey::xmuxHMaxRequestTimesMin] = hMaxRequestTimesMin;
+    if (!hMaxRequestTimesMax.isEmpty()) obj[configKey::xmuxHMaxRequestTimesMax] = hMaxRequestTimesMax;
+    if (!hMaxReusableSecsMin.isEmpty()) obj[configKey::xmuxHMaxReusableSecsMin] = hMaxReusableSecsMin;
+    if (!hMaxReusableSecsMax.isEmpty()) obj[configKey::xmuxHMaxReusableSecsMax] = hMaxReusableSecsMax;
+    if (!hKeepAlivePeriod.isEmpty())    obj[configKey::xmuxHKeepAlivePeriod]    = hKeepAlivePeriod;
+    return obj;
+}
+
+XrayXmuxConfig XrayXmuxConfig::fromJson(const QJsonObject &json)
+{
+    XrayXmuxConfig c;
+    c.enabled             = json.value(configKey::xmuxEnabled).toBool(true);
+    c.maxConcurrencyMin   = json.value(configKey::xmuxMaxConcurrencyMin).toString("0");
+    c.maxConcurrencyMax   = json.value(configKey::xmuxMaxConcurrencyMax).toString("0");
+    c.maxConnectionsMin   = json.value(configKey::xmuxMaxConnectionsMin).toString("0");
+    c.maxConnectionsMax   = json.value(configKey::xmuxMaxConnectionsMax).toString("0");
+    c.cMaxReuseTimesMin   = json.value(configKey::xmuxCMaxReuseTimesMin).toString("0");
+    c.cMaxReuseTimesMax   = json.value(configKey::xmuxCMaxReuseTimesMax).toString("0");
+    c.hMaxRequestTimesMin = json.value(configKey::xmuxHMaxRequestTimesMin).toString("0");
+    c.hMaxRequestTimesMax = json.value(configKey::xmuxHMaxRequestTimesMax).toString("0");
+    c.hMaxReusableSecsMin = json.value(configKey::xmuxHMaxReusableSecsMin).toString("0");
+    c.hMaxReusableSecsMax = json.value(configKey::xmuxHMaxReusableSecsMax).toString("0");
+    c.hKeepAlivePeriod    = json.value(configKey::xmuxHKeepAlivePeriod).toString();
+    return c;
+}
+
+QJsonObject XrayXhttpConfig::toJson() const
+{
+    QJsonObject obj;
+    if (!mode.isEmpty())            obj[configKey::xhttpMode]            = mode;
+    if (!host.isEmpty())            obj[configKey::xhttpHost]            = host;
+    if (!path.isEmpty())            obj[configKey::xhttpPath]            = path;
+    if (!headersTemplate.isEmpty()) obj[configKey::xhttpHeadersTemplate] = headersTemplate;
+    if (!uplinkMethod.isEmpty())    obj[configKey::xhttpUplinkMethod]    = uplinkMethod;
+    obj[configKey::xhttpDisableGrpc] = disableGrpc;
+    obj[configKey::xhttpDisableSse]  = disableSse;
+
+    if (!sessionPlacement.isEmpty())    obj[configKey::xhttpSessionPlacement]    = sessionPlacement;
+    if (!sessionKey.isEmpty())          obj[configKey::xhttpSessionKey]          = sessionKey;
+    if (!seqPlacement.isEmpty())        obj[configKey::xhttpSeqPlacement]        = seqPlacement;
+    if (!seqKey.isEmpty())              obj[configKey::xhttpSeqKey]              = seqKey;
+    if (!uplinkDataPlacement.isEmpty()) obj[configKey::xhttpUplinkDataPlacement] = uplinkDataPlacement;
+    if (!uplinkDataKey.isEmpty())       obj[configKey::xhttpUplinkDataKey]       = uplinkDataKey;
+
+    if (!uplinkChunkSize.isEmpty())         obj[configKey::xhttpUplinkChunkSize]         = uplinkChunkSize;
+    if (!scMaxBufferedPosts.isEmpty())      obj[configKey::xhttpScMaxBufferedPosts]      = scMaxBufferedPosts;
+    if (!scMaxEachPostBytesMin.isEmpty())   obj[configKey::xhttpScMaxEachPostBytesMin]   = scMaxEachPostBytesMin;
+    if (!scMaxEachPostBytesMax.isEmpty())   obj[configKey::xhttpScMaxEachPostBytesMax]   = scMaxEachPostBytesMax;
+    if (!scMinPostsIntervalMsMin.isEmpty()) obj[configKey::xhttpScMinPostsIntervalMsMin] = scMinPostsIntervalMsMin;
+    if (!scMinPostsIntervalMsMax.isEmpty()) obj[configKey::xhttpScMinPostsIntervalMsMax] = scMinPostsIntervalMsMax;
+    if (!scStreamUpServerSecsMin.isEmpty()) obj[configKey::xhttpScStreamUpServerSecsMin] = scStreamUpServerSecsMin;
+    if (!scStreamUpServerSecsMax.isEmpty()) obj[configKey::xhttpScStreamUpServerSecsMax] = scStreamUpServerSecsMax;
+
+    obj["xPadding"] = xPadding.toJson();
+    obj["xmux"]     = xmux.toJson();
+
+    return obj;
+}
+
+namespace
+{
+    XrayXhttpConfig clearedXhttpConfig()
+    {
+        XrayXhttpConfig c;
+        c.mode = QString();
+        c.host = QString();
+        c.path = QString();
+        c.headersTemplate = QString();
+        c.uplinkMethod = QString();
+        c.disableGrpc = false;
+        c.disableSse = false;
+        c.sessionPlacement = QString();
+        c.sessionKey = QString();
+        c.seqPlacement = QString();
+        c.seqKey = QString();
+        c.uplinkDataPlacement = QString();
+        c.uplinkDataKey = QString();
+        c.uplinkChunkSize = QString();
+        c.scMaxBufferedPosts = QString();
+        c.scMaxEachPostBytesMin = QString();
+        c.scMaxEachPostBytesMax = QString();
+        c.scMinPostsIntervalMsMin = QString();
+        c.scMinPostsIntervalMsMax = QString();
+        c.scStreamUpServerSecsMin = QString();
+        c.scStreamUpServerSecsMax = QString();
+        return c;
+    }
+} // namespace
+
+XrayXhttpConfig XrayXhttpConfig::fromJson(const QJsonObject &json)
+{
+    if (json.isEmpty()) {
+        return clearedXhttpConfig();
+    }
+
+    XrayXhttpConfig c = clearedXhttpConfig();
+
+    if (json.contains(configKey::xhttpMode)) {
+        c.mode = json.value(configKey::xhttpMode).toString();
+    }
+    if (json.contains(configKey::xhttpHost)) {
+        c.host = json.value(configKey::xhttpHost).toString();
+    }
+    if (json.contains(configKey::xhttpPath)) {
+        c.path = json.value(configKey::xhttpPath).toString();
+    }
+    if (json.contains(configKey::xhttpHeadersTemplate)) {
+        c.headersTemplate = json.value(configKey::xhttpHeadersTemplate).toString();
+    }
+    if (json.contains(configKey::xhttpUplinkMethod)) {
+        c.uplinkMethod = json.value(configKey::xhttpUplinkMethod).toString();
+    }
+    if (json.contains(configKey::xhttpDisableGrpc)) {
+        c.disableGrpc = json.value(configKey::xhttpDisableGrpc).toBool();
+    }
+    if (json.contains(configKey::xhttpDisableSse)) {
+        c.disableSse = json.value(configKey::xhttpDisableSse).toBool();
+    }
+    if (json.contains(configKey::xhttpSessionPlacement)) {
+        c.sessionPlacement = json.value(configKey::xhttpSessionPlacement).toString();
+    }
+    if (json.contains(configKey::xhttpSessionKey)) {
+        c.sessionKey = json.value(configKey::xhttpSessionKey).toString();
+    }
+    if (json.contains(configKey::xhttpSeqPlacement)) {
+        c.seqPlacement = json.value(configKey::xhttpSeqPlacement).toString();
+    }
+    if (json.contains(configKey::xhttpSeqKey)) {
+        c.seqKey = json.value(configKey::xhttpSeqKey).toString();
+    }
+    if (json.contains(configKey::xhttpUplinkDataPlacement)) {
+        c.uplinkDataPlacement = json.value(configKey::xhttpUplinkDataPlacement).toString();
+    }
+    if (json.contains(configKey::xhttpUplinkDataKey)) {
+        c.uplinkDataKey = json.value(configKey::xhttpUplinkDataKey).toString();
+    }
+    if (json.contains(configKey::xhttpUplinkChunkSize)) {
+        c.uplinkChunkSize = json.value(configKey::xhttpUplinkChunkSize).toString();
+    }
+    if (json.contains(configKey::xhttpScMaxBufferedPosts)) {
+        c.scMaxBufferedPosts = json.value(configKey::xhttpScMaxBufferedPosts).toString();
+    }
+    if (json.contains(configKey::xhttpScMaxEachPostBytesMin)) {
+        c.scMaxEachPostBytesMin = json.value(configKey::xhttpScMaxEachPostBytesMin).toString();
+    }
+    if (json.contains(configKey::xhttpScMaxEachPostBytesMax)) {
+        c.scMaxEachPostBytesMax = json.value(configKey::xhttpScMaxEachPostBytesMax).toString();
+    }
+    if (json.contains(configKey::xhttpScMinPostsIntervalMsMin)) {
+        c.scMinPostsIntervalMsMin = json.value(configKey::xhttpScMinPostsIntervalMsMin).toString();
+    }
+    if (json.contains(configKey::xhttpScMinPostsIntervalMsMax)) {
+        c.scMinPostsIntervalMsMax = json.value(configKey::xhttpScMinPostsIntervalMsMax).toString();
+    }
+    if (json.contains(configKey::xhttpScStreamUpServerSecsMin)) {
+        c.scStreamUpServerSecsMin = json.value(configKey::xhttpScStreamUpServerSecsMin).toString();
+    }
+    if (json.contains(configKey::xhttpScStreamUpServerSecsMax)) {
+        c.scStreamUpServerSecsMax = json.value(configKey::xhttpScStreamUpServerSecsMax).toString();
+    }
+
+    if (json.contains(QLatin1String("xPadding"))) {
+        c.xPadding = XrayXPaddingConfig::fromJson(json.value(QLatin1String("xPadding")).toObject());
+    }
+    if (json.contains(QLatin1String("xmux"))) {
+        c.xmux = XrayXmuxConfig::fromJson(json.value(QLatin1String("xmux")).toObject());
+    }
+
+    return c;
+}
+
+QJsonObject XrayMkcpConfig::toJson() const
+{
+    QJsonObject obj;
+    if (!tti.isEmpty())              obj[configKey::mkcpTti]              = tti;
+    if (!uplinkCapacity.isEmpty())   obj[configKey::mkcpUplinkCapacity]   = uplinkCapacity;
+    if (!downlinkCapacity.isEmpty()) obj[configKey::mkcpDownlinkCapacity] = downlinkCapacity;
+    if (!readBufferSize.isEmpty())   obj[configKey::mkcpReadBufferSize]   = readBufferSize;
+    if (!writeBufferSize.isEmpty())  obj[configKey::mkcpWriteBufferSize]  = writeBufferSize;
+    obj[configKey::mkcpCongestion] = congestion;
+    return obj;
+}
+
+XrayMkcpConfig XrayMkcpConfig::fromJson(const QJsonObject &json)
+{
+    XrayMkcpConfig c;
+    if (json.isEmpty()) {
+        return c;
+    }
+    if (json.contains(configKey::mkcpTti)) {
+        c.tti = json.value(configKey::mkcpTti).toString();
+    }
+    if (json.contains(configKey::mkcpUplinkCapacity)) {
+        c.uplinkCapacity = json.value(configKey::mkcpUplinkCapacity).toString();
+    }
+    if (json.contains(configKey::mkcpDownlinkCapacity)) {
+        c.downlinkCapacity = json.value(configKey::mkcpDownlinkCapacity).toString();
+    }
+    if (json.contains(configKey::mkcpReadBufferSize)) {
+        c.readBufferSize = json.value(configKey::mkcpReadBufferSize).toString();
+    }
+    if (json.contains(configKey::mkcpWriteBufferSize)) {
+        c.writeBufferSize = json.value(configKey::mkcpWriteBufferSize).toString();
+    }
+    if (json.contains(configKey::mkcpCongestion)) {
+        c.congestion = json.value(configKey::mkcpCongestion).toBool();
+    }
+    return c;
+}
 
 QJsonObject XrayServerConfig::toJson() const
 {
     QJsonObject obj;
-    
+
+    // Existing fields
     if (!port.isEmpty()) {
         obj[configKey::port] = port;
     }
@@ -29,60 +276,124 @@ QJsonObject XrayServerConfig::toJson() const
     if (!site.isEmpty()) {
         obj[configKey::site] = site;
     }
-    
+
     if (isThirdPartyConfig) {
         obj[configKey::isThirdPartyConfig] = isThirdPartyConfig;
     }
-    
+
+    // New: Security
+    if (!security.isEmpty()) {
+        obj[configKey::xraySecurity] = security;
+    }
+    if (!flow.isEmpty()) {
+        obj[configKey::xrayFlow] = flow;
+    }
+    if (!fingerprint.isEmpty()) {
+        obj[configKey::xrayFingerprint] = fingerprint;
+    }
+    if (!sni.isEmpty()) {
+        obj[configKey::xraySni] = sni;
+    }
+    if (!alpn.isEmpty()) {
+        obj[configKey::xrayAlpn] = alpn;
+    }
+
+    // New: Transport
+    if (!transport.isEmpty()) {
+        obj[configKey::xrayTransport] = transport;
+    }
+    const QJsonObject xhttpObj = xhttp.toJson();
+    if (!xhttpObj.isEmpty()) {
+        obj[QStringLiteral("xhttp")] = xhttpObj;
+    }
+    const QJsonObject mkcpObj = mkcp.toJson();
+    if (!mkcpObj.isEmpty()) {
+        obj[QStringLiteral("mkcp")] = mkcpObj;
+    }
+
     return obj;
 }
 
-XrayServerConfig XrayServerConfig::fromJson(const QJsonObject& json)
+XrayServerConfig XrayServerConfig::fromJson(const QJsonObject &json)
 {
-    XrayServerConfig config;
-    
-    config.port = json.value(configKey::port).toString();
-    config.transportProto = json.value(configKey::transportProto).toString();
-    config.subnetAddress = json.value(configKey::subnetAddress).toString();
-    config.site = json.value(configKey::site).toString();
-    
-    config.isThirdPartyConfig = json.value(configKey::isThirdPartyConfig).toBool(false);
-    
-    return config;
+    XrayServerConfig c;
+
+    // Existing fields
+    c.port = json.value(configKey::port).toString();
+    c.transportProto = json.value(configKey::transportProto).toString();
+    c.subnetAddress = json.value(configKey::subnetAddress).toString();
+    c.site = json.value(configKey::site).toString();
+    c.isThirdPartyConfig = json.value(configKey::isThirdPartyConfig).toBool(false);
+
+    if (json.contains(configKey::xraySecurity)) {
+        c.security = json.value(configKey::xraySecurity).toString();
+    }
+    if (json.contains(configKey::xrayFlow)) {
+        c.flow = json.value(configKey::xrayFlow).toString();
+    }
+    if (json.contains(configKey::xrayFingerprint)) {
+        c.fingerprint = json.value(configKey::xrayFingerprint).toString();
+        if (c.fingerprint.contains(QLatin1String("Mozilla/5.0"), Qt::CaseInsensitive)) {
+            c.fingerprint = QString::fromLatin1(protocols::xray::defaultFingerprint);
+        }
+    }
+    if (json.contains(configKey::xraySni)) {
+        c.sni = json.value(configKey::xraySni).toString();
+    }
+    if (json.contains(configKey::xrayAlpn)) {
+        c.alpn = json.value(configKey::xrayAlpn).toString();
+    }
+    if (json.contains(configKey::xrayTransport)) {
+        c.transport = json.value(configKey::xrayTransport).toString();
+    }
+    if (json.contains(QLatin1String("xhttp"))) {
+        const QJsonObject xhttpJson = json.value(QLatin1String("xhttp")).toObject();
+        if (!xhttpJson.isEmpty()) {
+            c.xhttp = XrayXhttpConfig::fromJson(xhttpJson);
+        }
+    }
+    if (json.contains(QLatin1String("mkcp"))) {
+        const QJsonObject mkcpJson = json.value(QLatin1String("mkcp")).toObject();
+        if (!mkcpJson.isEmpty()) {
+            c.mkcp = XrayMkcpConfig::fromJson(mkcpJson);
+        }
+    }
+
+    return c;
 }
 
-bool XrayServerConfig::hasEqualServerSettings(const XrayServerConfig& other) const
+bool XrayServerConfig::hasEqualServerSettings(const XrayServerConfig &other) const
 {
-    return port == other.port && site == other.site;
+    return port == other.port
+           && site == other.site
+           && security == other.security
+           && flow == other.flow
+           && transport == other.transport
+           && fingerprint == other.fingerprint
+           && sni == other.sni
+           && alpn == other.alpn
+           && xhttp.toJson() == other.xhttp.toJson()
+           && mkcp.toJson() == other.mkcp.toJson();
 }
 
 QJsonObject XrayClientConfig::toJson() const
 {
     QJsonObject obj;
-    
-    if (!nativeConfig.isEmpty()) {
-        obj[configKey::config] = nativeConfig;
-    }
-    if (!localPort.isEmpty()) {
-        obj[configKey::localPort] = localPort;
-    }
-    if (!id.isEmpty()) {
-        obj[configKey::clientId] = id;
-    }
-    
+    if (!nativeConfig.isEmpty()) obj[configKey::config]   = nativeConfig;
+    if (!localPort.isEmpty())    obj[configKey::localPort] = localPort;
+    if (!id.isEmpty())           obj[configKey::clientId]  = id;
     return obj;
 }
 
-XrayClientConfig XrayClientConfig::fromJson(const QJsonObject& json)
+XrayClientConfig XrayClientConfig::fromJson(const QJsonObject &json)
 {
-    XrayClientConfig config;
-    
-    config.nativeConfig = json.value(configKey::config).toString();
-    config.localPort = json.value(configKey::localPort).toString();
-    config.id = json.value(configKey::clientId).toString();
-    
-    if (config.id.isEmpty() && !config.nativeConfig.isEmpty()) {
-        QJsonDocument doc = QJsonDocument::fromJson(config.nativeConfig.toUtf8());
+    XrayClientConfig c;
+    c.nativeConfig = json.value(configKey::config).toString();
+    c.localPort    = json.value(configKey::localPort).toString();
+    c.id           = json.value(configKey::clientId).toString();
+
+    if (c.id.isEmpty() && !c.nativeConfig.isEmpty()) {
+        QJsonDocument doc = QJsonDocument::fromJson(c.nativeConfig.toUtf8());
         if (!doc.isNull() && doc.isObject()) {
             QJsonObject configObj = doc.object();
             if (configObj.contains(protocols::xray::outbounds)) {
@@ -100,7 +411,7 @@ XrayClientConfig XrayClientConfig::fromJson(const QJsonObject& json)
                                     if (!users.isEmpty()) {
                                         QJsonObject user = users[0].toObject();
                                         if (user.contains(protocols::xray::id)) {
-                                            config.id = user[protocols::xray::id].toString();
+                                            c.id = user[protocols::xray::id].toString();
                                         }
                                     }
                                 }
@@ -111,16 +422,15 @@ XrayClientConfig XrayClientConfig::fromJson(const QJsonObject& json)
             }
         }
     }
-    
-    return config;
+
+    return c;
 }
 
 QJsonObject XrayProtocolConfig::toJson() const
 {
     QJsonObject obj = serverConfig.toJson();
-    
+
     if (clientConfig.has_value()) {
-        // Third-party import: nativeConfig is raw Xray JSON (inbounds/outbounds)
         QJsonDocument doc = QJsonDocument::fromJson(clientConfig->nativeConfig.toUtf8());
         if (!doc.isNull() && doc.isObject() && doc.object().contains(protocols::xray::outbounds)
                 && !doc.object().contains(configKey::config)) {
@@ -130,22 +440,20 @@ QJsonObject XrayProtocolConfig::toJson() const
             obj[configKey::lastConfig] = QString::fromUtf8(QJsonDocument(clientJson).toJson(QJsonDocument::Compact));
         }
     }
-    
+
     return obj;
 }
 
-XrayProtocolConfig XrayProtocolConfig::fromJson(const QJsonObject& json)
+XrayProtocolConfig XrayProtocolConfig::fromJson(const QJsonObject &json)
 {
-    XrayProtocolConfig config;
-    
-    config.serverConfig = XrayServerConfig::fromJson(json);
-    
+    XrayProtocolConfig c;
+    c.serverConfig = XrayServerConfig::fromJson(json);
+
     QString lastConfigStr = json.value(configKey::lastConfig).toString();
     if (!lastConfigStr.isEmpty()) {
         QJsonDocument doc = QJsonDocument::fromJson(lastConfigStr.toUtf8());
         if (doc.isObject()) {
             QJsonObject parsed = doc.object();
-            // Third-party import stores raw Xray config (inbounds/outbounds) directly
             if (parsed.contains(protocols::xray::outbounds) && !parsed.contains(configKey::config)) {
                 XrayClientConfig clientCfg;
                 clientCfg.nativeConfig = lastConfigStr;
@@ -158,14 +466,159 @@ XrayProtocolConfig XrayProtocolConfig::fromJson(const QJsonObject& json)
                         }
                     }
                 }
-                config.clientConfig = clientCfg;
+                c.clientConfig = clientCfg;
             } else {
-                config.clientConfig = XrayClientConfig::fromJson(parsed);
+                c.clientConfig = XrayClientConfig::fromJson(parsed);
             }
         }
     }
-    
-    return config;
+
+    c.needsClientHydration =
+            c.hasClientConfig()
+            && (!json.contains(configKey::xrayTransport) || c.serverConfig.isThirdPartyConfig);
+    if (c.needsClientHydration) {
+        c.hydrateServerConfigFromClientNative();
+    }
+
+    return c;
+}
+
+bool XrayProtocolConfig::hydrateServerConfigFromClientNative()
+{
+    if (!clientConfig.has_value() || clientConfig->nativeConfig.isEmpty()) {
+        return false;
+    }
+
+    QJsonDocument doc = QJsonDocument::fromJson(clientConfig->nativeConfig.toUtf8());
+    if (doc.isNull() || !doc.isObject()) {
+        return false;
+    }
+
+    const QJsonObject root = doc.object();
+    const QJsonArray outbounds = root.value(protocols::xray::outbounds).toArray();
+    if (outbounds.isEmpty()) {
+        return false;
+    }
+
+    const QJsonObject outbound = outbounds[0].toObject();
+    const QJsonObject streamSettings = outbound.value(protocols::xray::streamSettings).toObject();
+    if (streamSettings.isEmpty()) {
+        return false;
+    }
+
+    XrayServerConfig &srv = serverConfig;
+
+    const QJsonObject settings = outbound.value(protocols::xray::settings).toObject();
+    const QJsonArray vnext = settings.value(protocols::xray::vnext).toArray();
+    if (!vnext.isEmpty()) {
+        const QJsonObject vnextEntry = vnext[0].toObject();
+        if (vnextEntry.contains(protocols::xray::port)) {
+            srv.port = QString::number(vnextEntry.value(protocols::xray::port).toInt());
+        }
+        const QJsonArray users = vnextEntry.value(protocols::xray::users).toArray();
+        if (!users.isEmpty()) {
+            srv.flow = users[0].toObject().value(protocols::xray::flow).toString();
+        }
+    }
+
+    const QString networkVal = streamSettings.value(protocols::xray::network).toString(QStringLiteral("tcp"));
+    if (networkVal == QLatin1String("xhttp")) {
+        srv.transport = QStringLiteral("xhttp");
+    } else if (networkVal == QLatin1String("kcp")) {
+        srv.transport = QStringLiteral("mkcp");
+    } else {
+        srv.transport = QStringLiteral("raw");
+    }
+
+    if (streamSettings.contains(protocols::xray::security)) {
+        srv.security = streamSettings.value(protocols::xray::security).toString();
+    }
+
+    if (srv.security == QLatin1String("reality")) {
+        const QJsonObject rs = streamSettings.value(protocols::xray::realitySettings).toObject();
+        srv.sni = rs.value(protocols::xray::serverName).toString();
+        srv.site = srv.sni.isEmpty() ? srv.site : srv.sni;
+        const QString fp = rs.value(protocols::xray::fingerprint).toString();
+        if (!fp.isEmpty()) {
+            srv.fingerprint = fp.contains(QLatin1String("Mozilla/5.0"), Qt::CaseInsensitive)
+                    ? QString::fromLatin1(protocols::xray::defaultFingerprint)
+                    : fp;
+        }
+    }
+
+    if (srv.security == QLatin1String("tls")) {
+        const QJsonObject tls = streamSettings.value(QStringLiteral("tlsSettings")).toObject();
+        srv.sni = tls.value(protocols::xray::serverName).toString();
+        const QString fp = tls.value(protocols::xray::fingerprint).toString();
+        if (!fp.isEmpty()) {
+            srv.fingerprint = fp;
+        }
+        QStringList alpnList;
+        for (const QJsonValue &v : tls.value(QStringLiteral("alpn")).toArray()) {
+            alpnList << v.toString();
+        }
+        if (!alpnList.isEmpty()) {
+            srv.alpn = alpnList.join(QLatin1Char(','));
+        }
+    }
+
+    if (srv.transport == QLatin1String("xhttp")) {
+        const QJsonObject xhttpObj = streamSettings.value(QStringLiteral("xhttpSettings")).toObject();
+        QJsonObject xhttpJson;
+        const QString mode = xhttpObj.value(QStringLiteral("mode")).toString();
+        if (!mode.isEmpty()) {
+            if (mode == QLatin1String("auto")) {
+                xhttpJson[configKey::xhttpMode] = QStringLiteral("Auto");
+            } else if (mode == QLatin1String("packet-up")) {
+                xhttpJson[configKey::xhttpMode] = QStringLiteral("Packet-up");
+            } else if (mode == QLatin1String("stream-up")) {
+                xhttpJson[configKey::xhttpMode] = QStringLiteral("Stream-up");
+            } else if (mode == QLatin1String("stream-one")) {
+                xhttpJson[configKey::xhttpMode] = QStringLiteral("Stream-one");
+            } else {
+                xhttpJson[configKey::xhttpMode] = mode;
+            }
+        }
+        if (xhttpObj.contains(QStringLiteral("host"))) {
+            xhttpJson[configKey::xhttpHost] = xhttpObj.value(QStringLiteral("host")).toString();
+        }
+        if (xhttpObj.contains(QStringLiteral("path"))) {
+            xhttpJson[configKey::xhttpPath] = xhttpObj.value(QStringLiteral("path")).toString();
+        }
+        if (xhttpObj.contains(QStringLiteral("uplinkHTTPMethod"))) {
+            xhttpJson[configKey::xhttpUplinkMethod] = xhttpObj.value(QStringLiteral("uplinkHTTPMethod")).toString();
+        }
+        xhttpJson[configKey::xhttpDisableGrpc] = xhttpObj.value(QStringLiteral("noGRPCHeader")).toBool(true);
+        xhttpJson[configKey::xhttpDisableSse] = xhttpObj.value(QStringLiteral("noSSEHeader")).toBool(true);
+        srv.xhttp = XrayXhttpConfig::fromJson(xhttpJson);
+    }
+
+    if (srv.transport == QLatin1String("mkcp")) {
+        const QJsonObject kcpObj = streamSettings.value(QStringLiteral("kcpSettings")).toObject();
+        XrayMkcpConfig mk;
+        if (kcpObj.contains(QStringLiteral("tti"))) {
+            mk.tti = QString::number(kcpObj.value(QStringLiteral("tti")).toInt());
+        }
+        if (kcpObj.contains(QStringLiteral("uplinkCapacity"))) {
+            mk.uplinkCapacity = QString::number(kcpObj.value(QStringLiteral("uplinkCapacity")).toInt());
+        }
+        if (kcpObj.contains(QStringLiteral("downlinkCapacity"))) {
+            mk.downlinkCapacity = QString::number(kcpObj.value(QStringLiteral("downlinkCapacity")).toInt());
+        }
+        if (kcpObj.contains(QStringLiteral("readBufferSize"))) {
+            mk.readBufferSize = QString::number(kcpObj.value(QStringLiteral("readBufferSize")).toInt());
+        }
+        if (kcpObj.contains(QStringLiteral("writeBufferSize"))) {
+            mk.writeBufferSize = QString::number(kcpObj.value(QStringLiteral("writeBufferSize")).toInt());
+        }
+        if (kcpObj.contains(QStringLiteral("congestion"))) {
+            mk.congestion = kcpObj.value(QStringLiteral("congestion")).toBool(true);
+        }
+        srv.mkcp = mk;
+    }
+
+    needsClientHydration = false;
+    return true;
 }
 
 bool XrayProtocolConfig::hasClientConfig() const
@@ -173,7 +626,7 @@ bool XrayProtocolConfig::hasClientConfig() const
     return clientConfig.has_value();
 }
 
-void XrayProtocolConfig::setClientConfig(const XrayClientConfig& config)
+void XrayProtocolConfig::setClientConfig(const XrayClientConfig &config)
 {
     clientConfig = config;
 }
@@ -184,4 +637,3 @@ void XrayProtocolConfig::clearClientConfig()
 }
 
 } // namespace amnezia
-

client/core/models/protocols/xrayProtocolConfig.h

@@ -2,47 +2,148 @@
 #define XRAYPROTOCOLCONFIG_H
 
 #include <QJsonObject>
+#include "core/utils/constants/protocolConstants.h"
 #include <QString>
 #include <optional>
 
 namespace amnezia
 {
 
+// ── xPadding ─────────────────────────────────────────────────────────────────
+struct XrayXPaddingConfig {
+    QString bytesMin;                   // xPaddingBytes min
+    QString bytesMax;                   // xPaddingBytes max
+    bool    obfsMode = true;            // xPaddingObfsMode
+    QString key;                        // xPaddingKey
+    QString header;                     // xPaddingHeader
+    QString placement = protocols::xray::defaultXPaddingPlacement; // xPaddingPlacement: Cookie|Header|Query|Body
+    QString method = protocols::xray::defaultXPaddingMethod;       // xPaddingMethod: Repeat-x|Random|Zero
+
+    QJsonObject toJson() const;
+    static XrayXPaddingConfig fromJson(const QJsonObject &json);
+};
+
+// ── xmux ─────────────────────────────────────────────────────────────────────
+struct XrayXmuxConfig {
+    bool    enabled = true;
+
+    QString maxConcurrencyMin   = "0";
+    QString maxConcurrencyMax   = "0";
+    QString maxConnectionsMin   = "0";
+    QString maxConnectionsMax   = "0";
+    QString cMaxReuseTimesMin   = "0";
+    QString cMaxReuseTimesMax   = "0";
+    QString hMaxRequestTimesMin = "0";
+    QString hMaxRequestTimesMax = "0";
+    QString hMaxReusableSecsMin = "0";
+    QString hMaxReusableSecsMax = "0";
+    QString hKeepAlivePeriod;
+
+    QJsonObject toJson() const;
+    static XrayXmuxConfig fromJson(const QJsonObject &json);
+};
+
+// ── XHTTP transport ───────────────────────────────────────────────────────────
+struct XrayXhttpConfig {
+    QString mode             = protocols::xray::defaultXhttpMode;  // Auto|Packet-up|Stream-up|Stream-one
+    QString host             = protocols::xray::defaultXhttpHost;
+    QString path;
+    QString headersTemplate  = protocols::xray::defaultXhttpHeadersTemplate;  // HTTP|None
+    QString uplinkMethod     = protocols::xray::defaultXhttpUplinkMethod;  // POST|PUT|PATCH
+    bool    disableGrpc      = true;
+    bool    disableSse       = true;
+
+    // Session & Sequence
+    QString sessionPlacement = protocols::xray::defaultXhttpSessionPlacement;
+    QString sessionKey       = protocols::xray::defaultXhttpSessionKey;
+    QString seqPlacement     = protocols::xray::defaultXhttpSeqPlacement;
+    QString seqKey;
+    QString uplinkDataPlacement = protocols::xray::defaultXhttpUplinkDataPlacement;
+    QString uplinkDataKey;
+
+    // Traffic Shaping
+    QString uplinkChunkSize       = protocols::xray::defaultXhttpUplinkChunkSize;
+    QString scMaxBufferedPosts;
+    QString scMaxEachPostBytesMin = protocols::xray::defaultXhttpScMaxEachPostBytesMin;
+    QString scMaxEachPostBytesMax = protocols::xray::defaultXhttpScMaxEachPostBytesMax;
+    QString scMinPostsIntervalMsMin = protocols::xray::defaultXhttpScMinPostsIntervalMsMin;
+    QString scMinPostsIntervalMsMax = protocols::xray::defaultXhttpScMinPostsIntervalMsMax;
+    QString scStreamUpServerSecsMin = protocols::xray::defaultXhttpScStreamUpServerSecsMin;
+    QString scStreamUpServerSecsMax = protocols::xray::defaultXhttpScStreamUpServerSecsMax;
+
+    XrayXPaddingConfig xPadding;
+    XrayXmuxConfig     xmux;
+
+    QJsonObject toJson() const;
+    /// Reads only keys present in JSON (no Amnezia UI defaults). Use XrayConfigModel::applyDefaultsToServerConfig for UI.
+    static XrayXhttpConfig fromJson(const QJsonObject &json);
+};
+
+// ── mKCP transport ────────────────────────────────────────────────────────────
+struct XrayMkcpConfig {
+    QString tti;
+    QString uplinkCapacity;
+    QString downlinkCapacity;
+    QString readBufferSize;
+    QString writeBufferSize;
+    bool    congestion = true;
+
+    QJsonObject toJson() const;
+    static XrayMkcpConfig fromJson(const QJsonObject &json);
+};
+
+// ── Server config (settings editable by user) ─────────────────────────────────
 struct XrayServerConfig {
     QString port;
     QString transportProto;
     QString subnetAddress;
     QString site;
     bool isThirdPartyConfig = false;
-    
+
+    QString security;
+    QString flow;
+    QString fingerprint;
+    QString sni;
+    QString alpn;
+
+    QString transport;
+    XrayXhttpConfig xhttp;
+    XrayMkcpConfig mkcp;
+
     QJsonObject toJson() const;
-    static XrayServerConfig fromJson(const QJsonObject& json);
-    
-    bool hasEqualServerSettings(const XrayServerConfig& other) const;
+
+    static XrayServerConfig fromJson(const QJsonObject &json);
+
+    bool hasEqualServerSettings(const XrayServerConfig &other) const;
 };
 
+// ── Client config (generated, not edited by user) ─────────────────────────────
 struct XrayClientConfig {
     QString nativeConfig;
     QString localPort;
     QString id;
-    
+
     QJsonObject toJson() const;
-    static XrayClientConfig fromJson(const QJsonObject& json);
+    static XrayClientConfig fromJson(const QJsonObject &json);
 };
 
+// ── Top-level protocol config ──────────────────────────────────────────────────
 struct XrayProtocolConfig {
     XrayServerConfig serverConfig;
     std::optional<XrayClientConfig> clientConfig;
-    
+
     QJsonObject toJson() const;
-    static XrayProtocolConfig fromJson(const QJsonObject& json);
-    
+    static XrayProtocolConfig fromJson(const QJsonObject &json);
+
     bool hasClientConfig() const;
-    void setClientConfig(const XrayClientConfig& config);
+    void setClientConfig(const XrayClientConfig &config);
     void clearClientConfig();
+
+    bool needsClientHydration = false;
+
+    bool hydrateServerConfigFromClientNative();
 };
 
 } // namespace amnezia
 
 #endif // XRAYPROTOCOLCONFIG_H
-

client/core/models/selfhosted/nativeServerConfig.cpp

@@ -9,6 +9,7 @@
 #include "core/protocols/protocolUtils.h"
 #include "core/utils/constants/configKeys.h"
 #include "core/utils/constants/protocolConstants.h"
+#include "core/utils/networkUtilities.h"
 
 namespace amnezia
 {
@@ -28,6 +29,20 @@ ContainerConfig NativeServerConfig::containerConfig(DockerContainer container) c
     return containers.value(container);
 }
 
+QPair<QString, QString> NativeServerConfig::getDnsPair(const QString &primaryDns, const QString &secondaryDns) const
+{
+    QString d1 = dns1;
+    QString d2 = dns2;
+
+    if (d1.isEmpty() || !NetworkUtilities::checkIPv4Format(d1)) {
+        d1 = primaryDns;
+    }
+    if (d2.isEmpty() || !NetworkUtilities::checkIPv4Format(d2)) {
+        d2 = secondaryDns;
+    }
+    return { d1, d2 };
+}
+
 QJsonObject NativeServerConfig::toJson() const
 {
     QJsonObject obj;
@@ -35,9 +50,6 @@ QJsonObject NativeServerConfig::toJson() const
     if (!description.isEmpty()) {
         obj[configKey::description] = this->description;
     }
-    if (!displayName.isEmpty()) {
-        obj[configKey::displayName] = displayName;
-    }
     if (!hostName.isEmpty()) {
         obj[configKey::hostName] = hostName;
     }
@@ -70,7 +82,6 @@ NativeServerConfig NativeServerConfig::fromJson(const QJsonObject& json)
     NativeServerConfig config;
     
     config.description = json.value(configKey::description).toString();
-    config.displayName = json.value(configKey::displayName).toString();
     config.hostName = json.value(configKey::hostName).toString();
     
     QJsonArray containersArray = json.value(configKey::containers).toArray();

client/core/models/selfhosted/nativeServerConfig.h

@@ -3,6 +3,7 @@
 
 #include <QJsonObject>
 #include <QMap>
+#include <QPair>
 
 #include "core/utils/containerEnum.h"
 #include "core/utils/containers/containerUtils.h"
@@ -25,6 +26,9 @@ struct NativeServerConfig {
     
     bool hasContainers() const;
     ContainerConfig containerConfig(DockerContainer container) const;
+
+    QPair<QString, QString> getDnsPair(const QString &primaryDns, const QString &secondaryDns) const;
+
     QJsonObject toJson() const;
     static NativeServerConfig fromJson(const QJsonObject& json);
 };

client/core/models/selfhosted/selfHostedAdminServerConfig.cpp

@@ -87,9 +87,6 @@ QJsonObject SelfHostedAdminServerConfig::toJson() const
     if (!description.isEmpty()) {
         obj[configKey::description] = this->description;
     }
-    if (!displayName.isEmpty()) {
-        obj[configKey::displayName] = displayName;
-    }
     if (!hostName.isEmpty()) {
         obj[configKey::hostName] = hostName;
     }
@@ -132,7 +129,6 @@ SelfHostedAdminServerConfig SelfHostedAdminServerConfig::fromJson(const QJsonObj
     SelfHostedAdminServerConfig config;
 
     config.description = json.value(configKey::description).toString();
-    config.displayName = json.value(configKey::displayName).toString();
     config.hostName = json.value(configKey::hostName).toString();
 
     QJsonArray containersArray = json.value(configKey::containers).toArray();

client/core/models/selfhosted/selfHostedUserServerConfig.cpp

@@ -8,6 +8,7 @@
 #include "core/utils/containerEnum.h"
 #include "core/utils/containers/containerUtils.h"
 #include "core/utils/protocolEnum.h"
+#include "core/utils/networkUtilities.h"
 
 namespace amnezia
 {
@@ -42,6 +43,21 @@ ContainerConfig SelfHostedUserServerConfig::containerConfig(DockerContainer cont
     return containers.value(container);
 }
 
+QPair<QString, QString> SelfHostedUserServerConfig::getDnsPair(const QString &primaryDns,
+                                                               const QString &secondaryDns) const
+{
+    QString d1 = dns1;
+    QString d2 = dns2;
+
+    if (d1.isEmpty() || !NetworkUtilities::checkIPv4Format(d1)) {
+        d1 = primaryDns;
+    }
+    if (d2.isEmpty() || !NetworkUtilities::checkIPv4Format(d2)) {
+        d2 = secondaryDns;
+    }
+    return { d1, d2 };
+}
+
 QJsonObject SelfHostedUserServerConfig::toJson() const
 {
     QJsonObject obj;
@@ -49,9 +65,6 @@ QJsonObject SelfHostedUserServerConfig::toJson() const
     if (!description.isEmpty()) {
         obj[configKey::description] = this->description;
     }
-    if (!displayName.isEmpty()) {
-        obj[configKey::displayName] = displayName;
-    }
     if (!hostName.isEmpty()) {
         obj[configKey::hostName] = hostName;
     }
@@ -84,7 +97,6 @@ SelfHostedUserServerConfig SelfHostedUserServerConfig::fromJson(const QJsonObjec
     SelfHostedUserServerConfig config;
 
     config.description = json.value(configKey::description).toString();
-    config.displayName = json.value(configKey::displayName).toString();
     config.hostName = json.value(configKey::hostName).toString();
 
     QJsonArray containersArray = json.value(configKey::containers).toArray();

client/core/models/selfhosted/selfHostedUserServerConfig.h

@@ -3,6 +3,7 @@
 
 #include <QJsonObject>
 #include <QMap>
+#include <QPair>
 #include <optional>
 
 #include "core/utils/containerEnum.h"
@@ -30,6 +31,9 @@ struct SelfHostedUserServerConfig {
     std::optional<ServerCredentials> credentials() const;
     bool hasContainers() const;
     ContainerConfig containerConfig(DockerContainer container) const;
+
+    QPair<QString, QString> getDnsPair(const QString &primaryDns, const QString &secondaryDns) const;
+
     QJsonObject toJson() const;
     static SelfHostedUserServerConfig fromJson(const QJsonObject &json);
 };

client/core/protocols/protocolUtils.cpp

@@ -68,7 +68,10 @@ QMap<Proto, QString> ProtocolUtils::protocolHumanNames()
              { Proto::TorWebSite, "Website in Tor network" },
              { Proto::Dns, "DNS Service" },
              { Proto::Sftp, QObject::tr("SFTP service") },
-             { Proto::Socks5Proxy, QObject::tr("SOCKS5 proxy server") } };
+             { Proto::Socks5Proxy, QObject::tr("SOCKS5 proxy server") },
+             { Proto::MtProxy, QObject::tr("MTProxy (Telegram)") },
+             { Proto::Telemt, QObject::tr("Telemt (Telegram)") },
+    };
 }
 
 QMap<Proto, QString> ProtocolUtils::protocolDescriptions()
@@ -92,6 +95,8 @@ ServiceType ProtocolUtils::protocolService(Proto p)
     case Proto::Dns: return ServiceType::Other;
     case Proto::Sftp: return ServiceType::Other;
     case Proto::Socks5Proxy: return ServiceType::Other;
+    case Proto::MtProxy: return ServiceType::Other;
+    case Proto::Telemt: return ServiceType::Other;
     default: return ServiceType::Other;
     }
 }
@@ -104,6 +109,8 @@ int ProtocolUtils::getPortForInstall(Proto p)
     case OpenVpn:
     case Socks5Proxy:
         return QRandomGenerator::global()->bounded(30000, 50000);
+    case MtProxy:
+    case Telemt:
     default:
         return defaultPort(p);
     }
@@ -123,6 +130,8 @@ int ProtocolUtils::defaultPort(Proto p)
     case Proto::Dns: return 53;
     case Proto::Sftp: return 222;
     case Proto::Socks5Proxy: return 38080;
+    case Proto::MtProxy: return QString(protocols::mtProxy::defaultPort).toInt();
+    case Proto::Telemt: return QString(protocols::telemt::defaultPort).toInt();
     default: return -1;
     }
 }
@@ -141,6 +150,8 @@ bool ProtocolUtils::defaultPortChangeable(Proto p)
     case Proto::Dns: return false;
     case Proto::Sftp: return true;
     case Proto::Socks5Proxy: return true;
+    case Proto::MtProxy: return true;
+    case Proto::Telemt: return true;
     default: return false;
     }
 }
@@ -161,6 +172,8 @@ TransportProto ProtocolUtils::defaultTransportProto(Proto p)
     case Proto::Dns: return TransportProto::Udp;
     case Proto::Sftp: return TransportProto::Tcp;
     case Proto::Socks5Proxy: return TransportProto::Tcp;
+    case Proto::MtProxy: return TransportProto::Tcp;
+    case Proto::Telemt: return TransportProto::Tcp;
     default: return TransportProto::Udp;
     }
 }
@@ -180,9 +193,10 @@ bool ProtocolUtils::defaultTransportProtoChangeable(Proto p)
     case Proto::Dns: return false;
     case Proto::Sftp: return false;
     case Proto::Socks5Proxy: return false;
+    case Proto::MtProxy: return false;
+    case Proto::Telemt: return false;
     default: return false;
     }
-    return false;
 }
 
 QString ProtocolUtils::key_proto_config_data(Proto p)
@@ -208,4 +222,3 @@ QString ProtocolUtils::getProtocolVersionString(const QJsonObject &protocolConfi
     if (version == protocols::awg::awgV1_5) return QObject::tr(" (version 1.5)");
     return "";
 }
-

client/core/protocols/xrayProtocol.cpp

@@ -2,6 +2,7 @@
 
 #include "core/protocols/protocolUtils.h"
 #include "core/utils/constants/configKeys.h"
+#include "core/utils/constants/protocolConstants.h"
 #include "core/utils/ipcClient.h"
 #include "core/utils/networkUtilities.h"
 #include "core/utils/serialization/serialization.h"
@@ -9,6 +10,7 @@
 
 #include <QCryptographicHash>
 #include <QJsonDocument>
+#include <QTimer>
 #include <QJsonObject>
 #include <QNetworkInterface>
 #include <QtCore/qlogging.h>
@@ -79,12 +81,29 @@ ErrorCode XrayProtocol::start()
     m_socksPassword = creds.password;
     m_socksPort = creds.port;
 
-    const QString xrayConfigStr = QJsonDocument(m_xrayConfig).toJson(QJsonDocument::Compact);
+    QString xrayConfigStr = QJsonDocument(m_xrayConfig).toJson(QJsonDocument::Compact);
     if (xrayConfigStr.isEmpty()) {
         qCritical() << "Xray config is empty";
         return ErrorCode::XrayExecutableCrashed;
     }
 
+    // Fix fingerprint: old configs may contain "Mozilla/5.0" which xray-core rejects.
+    // Replace with the correct default at runtime so stale stored configs still work.
+    if (xrayConfigStr.contains("Mozilla/5.0", Qt::CaseInsensitive)) {
+        xrayConfigStr.replace("Mozilla/5.0", amnezia::protocols::xray::defaultFingerprint,
+                              Qt::CaseInsensitive);
+        qDebug() << "XrayProtocol: patched legacy fingerprint to"
+                 << amnezia::protocols::xray::defaultFingerprint;
+    }
+
+    // Fix inbound listen address: old configs may use "10.33.0.2" which doesn't exist
+    // until TUN is created. xray must listen on 127.0.0.1 so tun2socks can connect.
+    if (xrayConfigStr.contains(amnezia::protocols::xray::defaultLocalAddr)) {
+        xrayConfigStr.replace(amnezia::protocols::xray::defaultLocalAddr,
+                              amnezia::protocols::xray::defaultLocalListenAddr);
+        qDebug() << "XrayProtocol: patched legacy inbound listen address to 127.0.0.1";
+    }
+
     return IpcClient::withInterface(
             [&](QSharedPointer<IpcInterfaceReplica> iface) {
                 auto xrayStart = iface->xrayStart(xrayConfigStr);
@@ -188,6 +207,33 @@ ErrorCode XrayProtocol::startTun2Socks()
     connect(
             m_tun2socksProcess.data(), &IpcProcessInterfaceReplica::finished, this,
             [this](int exitCode, QProcess::ExitStatus exitStatus) {
+                // Check stdout for "resource busy" — the TUN device was not yet released
+                // by the previous tun2socks instance. Retry after a short delay.
+                bool resourceBusy = false;
+                if (m_tun2socksProcess) {
+                    auto readOut = m_tun2socksProcess->readAllStandardOutput();
+                    if (readOut.waitForFinished()) {
+                        resourceBusy = readOut.returnValue().contains("resource busy");
+                    }
+                }
+
+                if (resourceBusy && m_tun2socksRetryCount < maxTun2SocksRetries) {
+                    m_tun2socksRetryCount++;
+                    qWarning() << QString("Tun2socks: TUN resource busy, retrying (%1/%2) in %3ms...")
+                                      .arg(m_tun2socksRetryCount)
+                                      .arg(maxTun2SocksRetries)
+                                      .arg(tun2socksRetryDelayMs);
+                    QTimer::singleShot(tun2socksRetryDelayMs, this, [this]() {
+                        if (ErrorCode err = startTun2Socks(); err != ErrorCode::NoError) {
+                            stop();
+                            setLastError(err);
+                        }
+                    });
+                    return;
+                }
+
+                m_tun2socksRetryCount = 0;
+
                 if (exitStatus == QProcess::ExitStatus::CrashExit) {
                     qCritical() << "Tun2socks process crashed!";
                 } else {

client/core/protocols/xrayProtocol.h

@@ -35,6 +35,9 @@ private:
     int m_socksPort = 10808;
 
     QSharedPointer<IpcProcessInterfaceReplica> m_tun2socksProcess;
+    int m_tun2socksRetryCount = 0;
+    static constexpr int maxTun2SocksRetries = 5;
+    static constexpr int tun2socksRetryDelayMs = 400;
 };
 
 #endif // XRAYPROTOCOL_H

client/core/repositories/secureAppSettingsRepository.cpp

@@ -426,29 +426,17 @@ void SecureAppSettingsRepository::clearSettings()
     emit settingsCleared();
 }
 
-QString SecureAppSettingsRepository::nextAvailableServerName() const
-{
-    int i = 0;
-    bool nameExist = false;
-
-    do {
-        i++;
-        nameExist = false;
-        QJsonArray servers = QJsonDocument::fromJson(value("Servers/serversList").toByteArray()).array();
-        for (const QJsonValue &server : servers) {
-            if (server.toObject().value(configKey::description).toString() == QString("Server") + " " + QString::number(i)) {
-                nameExist = true;
-                break;
-            }
-        }
-    } while (nameExist);
-
-    return QString("Server") + " " + QString::number(i);
-}
-
 void SecureAppSettingsRepository::setInstallationUuid(const QString &uuid)
 {
     m_settings->setValue("Conf/installationUuid", uuid);
 }
 
+QByteArray SecureAppSettingsRepository::xraySavedConfigs() const
+{
+    return value("Xray/savedConfigs").toByteArray();
+}
 
+void SecureAppSettingsRepository::setXraySavedConfigs(const QByteArray &data)
+{
+    setValue("Xray/savedConfigs", data);
+}

client/core/repositories/secureAppSettingsRepository.h

@@ -90,7 +90,8 @@ public:
     bool restoreAppConfig(const QByteArray &cfg);
     void clearSettings();
 
-    QString nextAvailableServerName() const;
+    QByteArray xraySavedConfigs() const;
+    void setXraySavedConfigs(const QByteArray &data);
 
 signals:
     void appLanguageChanged(QLocale locale);

client/core/repositories/secureServersRepository.cpp

@@ -3,6 +3,7 @@
 #include <QJsonArray>
 #include <QJsonDocument>
 #include <QJsonValue>
+#include <QSet>
 #include <QUuid>
 
 #include "core/utils/serverConfigUtils.h"
@@ -32,6 +33,45 @@ QJsonObject embedStorageServerId(const QString &serverId, const QJsonObject &pay
     return o;
 }
 
+QString storedServerDisplayName(const SecureServersRepository *repository, const QString &serverId)
+{
+    using Kind = serverConfigUtils::ConfigType;
+    switch (repository->serverKind(serverId)) {
+    case Kind::SelfHostedAdmin:
+        if (const auto cfg = repository->selfHostedAdminConfig(serverId)) {
+            return cfg->displayName;
+        }
+        break;
+    case Kind::SelfHostedUser:
+        if (const auto cfg = repository->selfHostedUserConfig(serverId)) {
+            return cfg->displayName;
+        }
+        break;
+    case Kind::Native:
+        if (const auto cfg = repository->nativeConfig(serverId)) {
+            return cfg->displayName;
+        }
+        break;
+    case Kind::AmneziaPremiumV2:
+    case Kind::AmneziaFreeV3:
+    case Kind::ExternalPremium:
+        if (const auto cfg = repository->apiV2Config(serverId)) {
+            return cfg->displayName;
+        }
+        break;
+    case Kind::AmneziaPremiumV1:
+    case Kind::AmneziaFreeV2:
+        if (const auto cfg = repository->legacyApiConfig(serverId)) {
+            return cfg->displayName;
+        }
+        break;
+    case Kind::Invalid:
+    default:
+        break;
+    }
+    return {};
+}
+
 } // namespace
 
 SecureServersRepository::SecureServersRepository(SecureQSettings *settings, QObject *parent)
@@ -153,6 +193,28 @@ void SecureServersRepository::clearServers()
     syncToStorage();
 }
 
+QString SecureServersRepository::nextAvailableServerName() const
+{
+    QSet<QString> usedNames;
+    usedNames.reserve(m_orderedServerIds.size());
+
+    for (const QString &serverId : m_orderedServerIds) {
+        const QString displayName = storedServerDisplayName(this, serverId);
+        if (!displayName.isEmpty()) {
+            usedNames.insert(displayName);
+        }
+    }
+
+    int i = 0;
+    QString candidate;
+    do {
+        i++;
+        candidate = QStringLiteral("Server %1").arg(i);
+    } while (usedNames.contains(candidate));
+
+    return candidate;
+}
+
 QString SecureServersRepository::addServer(const QString &serverId, const QJsonObject &serverJson, serverConfigUtils::ConfigType kind)
 {
     const QString id = normalizedOrGeneratedServerId(serverId);

client/core/repositories/secureServersRepository.h

@@ -48,6 +48,8 @@ public:
 
     void clearServers();
 
+    QString nextAvailableServerName() const;
+
     void invalidateCache();
 
 signals:

client/core/utils/api/apiUtils.cpp

@@ -2,7 +2,6 @@
 
 #include "core/utils/serverConfigUtils.h"
 #include "core/utils/constants/configKeys.h"
-#include <QLatin1Char>
 #include <QDateTime>
 #include <QJsonDocument>
 #include <QJsonObject>
@@ -85,15 +84,14 @@ amnezia::ErrorCode apiUtils::checkNetworkReplyErrors(const QList<QSslError> &ssl
     const int httpStatusCodeNotFound = 404;
     const int httpStatusCodeNotImplemented = 501;
     const int httpStatusCodePaymentRequired = 402;
+    const int httpStatusCodeTooManyRequests = 429;
+    const int httpStatusCodeRequestTimeout = 408;
     const int httpStatusCodeUnprocessableEntity = 422;
 
     if (!sslErrors.empty()) {
         qDebug().noquote() << sslErrors;
         return amnezia::ErrorCode::ApiConfigSslError;
     }
-    if (replyError == QNetworkReply::NoError) {
-        return amnezia::ErrorCode::NoError;
-    }
     if (replyError == QNetworkReply::NetworkError::OperationCanceledError
         || replyError == QNetworkReply::NetworkError::TimeoutError) {
         qDebug() << replyError;
@@ -104,14 +102,14 @@ amnezia::ErrorCode apiUtils::checkNetworkReplyErrors(const QList<QSslError> &ssl
         return amnezia::ErrorCode::ApiUpdateRequestError;
     }
 
-    qDebug() << QString::fromUtf8(responseBody);
-    qDebug() << replyError;
-    qDebug() << httpStatusCode;
-
     QJsonDocument jsonDoc = QJsonDocument::fromJson(responseBody);
     if (jsonDoc.isObject()) {
         QJsonObject jsonObj = jsonDoc.object();
         const int httpStatusFromBody = jsonObj.value(QStringLiteral("http_status")).toInt(-1);
+
+        if (httpStatusFromBody == httpStatusCodeTooManyRequests) {
+            return amnezia::ErrorCode::ApiRateLimitError;
+        }
         if (httpStatusFromBody == httpStatusCodeConflict) {
             if (apiErrorMessageFromJson(jsonObj).contains(trialAlreadyUsedMessage, Qt::CaseInsensitive)) {
                 return amnezia::ErrorCode::ApiTrialAlreadyUsedError;
@@ -121,6 +119,9 @@ amnezia::ErrorCode apiUtils::checkNetworkReplyErrors(const QList<QSslError> &ssl
         if (httpStatusFromBody == httpStatusCodeNotFound) {
             return amnezia::ErrorCode::ApiNotFoundError;
         }
+        if (httpStatusFromBody == httpStatusCodeRequestTimeout) {
+            return amnezia::ErrorCode::ApiConfigTimeoutError;
+        }
         if (httpStatusFromBody == httpStatusCodeNotImplemented) {
             return amnezia::ErrorCode::ApiUpdateRequestError;
         }
@@ -131,9 +132,28 @@ amnezia::ErrorCode apiUtils::checkNetworkReplyErrors(const QList<QSslError> &ssl
             return amnezia::ErrorCode::ApiConfigDownloadError;
         }
         if (httpStatusFromBody == httpStatusCodePaymentRequired) {
+            const QString message = apiErrorMessageFromJson(jsonObj);
+            if (message.contains(QLatin1String("refresh_captcha"), Qt::CaseInsensitive)) {
+                return amnezia::ErrorCode::ApiCaptchaRefreshError;
+            }
+            if (message.contains(QLatin1String("invalid_captcha"), Qt::CaseInsensitive)) {
+                return amnezia::ErrorCode::ApiCaptchaInvalidError;
+            }
+            if (jsonObj.contains(QStringLiteral("captcha_id")) || jsonObj.contains(QStringLiteral("captcha_image"))
+                || message.compare(QLatin1String("rate_limit_exceeded"), Qt::CaseInsensitive) == 0
+                || message.contains(QLatin1String("rate_limit_exceeded"), Qt::CaseInsensitive)) {
+                return amnezia::ErrorCode::ApiCaptchaRequiredError;
+            }
             return amnezia::ErrorCode::ApiSubscriptionNotActiveError;
         }
-        return amnezia::ErrorCode::ApiConfigDownloadError;
+
+        if (httpStatusFromBody >= 300) {
+            return amnezia::ErrorCode::ApiConfigDownloadError;
+        }
+    }
+
+    if (replyError == QNetworkReply::NoError) {
+        return amnezia::ErrorCode::NoError;
     }
 
     qDebug() << "something went wrong";
@@ -233,18 +253,3 @@ QString apiUtils::getPremiumV2VpnKey(const QJsonObject &serverConfigObject)
 
     return vpnKeyText;
 }
-
-QString apiUtils::countryCodeBaseForFlag(const QString &fullCountryCode)
-{
-    const QString trimmed = fullCountryCode.trimmed();
-    if (trimmed.isEmpty()) {
-        return QString();
-    }
-    const int dashIdx = trimmed.indexOf(QLatin1Char('-'));
-    const QString base = dashIdx < 0 ? trimmed : trimmed.left(dashIdx);
-    const QString normalized = base.trimmed();
-    if (normalized.isEmpty()) {
-        return QString();
-    }
-    return normalized.toUpper();
-}

client/core/utils/api/apiUtils.h

@@ -25,9 +25,6 @@ namespace apiUtils
 
     QString getPremiumV1VpnKey(const QJsonObject &serverConfigObject);
     QString getPremiumV2VpnKey(const QJsonObject &serverConfigObject);
-
-    // ISO2-style segment for flagKit assets (e.g. US-WEST -> US). Do not use in API request bodies.
-    QString countryCodeBaseForFlag(const QString &fullCountryCode);
 }
 
 #endif // APIUTILS_H

client/core/utils/constants/configKeys.h

@@ -93,6 +93,8 @@ namespace amnezia
         constexpr QLatin1String xray("xray");
         constexpr QLatin1String ssxray("ssxray");
         constexpr QLatin1String socks5proxy("socks5proxy");
+        constexpr QLatin1String mtproxy("mtproxy");
+        constexpr QLatin1String telemt("telemt");
 
         constexpr QLatin1String splitTunnelSites("splitTunnelSites");
         constexpr QLatin1String splitTunnelType("splitTunnelType");
@@ -124,6 +126,76 @@ namespace amnezia
         constexpr QLatin1String dataSent("dataSent");
 
         constexpr QLatin1String storageServerId("storageServerId");
+
+        // ── Xray-specific keys ────────────────────────────────────────
+
+        // Security
+        constexpr QLatin1String xraySecurity("xray_security");       // none | tls | reality
+        constexpr QLatin1String xrayFlow("xray_flow");               // "" | xtls-rprx-vision | xtls-rprx-vision-udp443
+        constexpr QLatin1String xrayFingerprint("xray_fingerprint"); // Mozilla/5.0 | chrome | firefox | ...
+        constexpr QLatin1String xraySni("xray_sni");                 // Server Name (SNI)
+        constexpr QLatin1String xrayAlpn("xray_alpn");               // HTTP/2 | HTTP/1.1 | HTTP/2,HTTP/1.1
+
+        // Transport — common
+        constexpr QLatin1String xrayTransport("xray_transport"); // raw | xhttp | mkcp
+
+        // Transport — XHTTP
+        constexpr QLatin1String xhttpMode("xhttp_mode"); // Auto | Packet-up | Stream-up | Stream-one
+        constexpr QLatin1String xhttpHost("xhttp_host");
+        constexpr QLatin1String xhttpPath("xhttp_path");
+        constexpr QLatin1String xhttpHeadersTemplate("xhttp_headers_template"); // HTTP | None
+        constexpr QLatin1String xhttpUplinkMethod("xhttp_uplink_method");       // POST | PUT | PATCH
+        constexpr QLatin1String xhttpDisableGrpc("xhttp_disable_grpc");         // bool
+        constexpr QLatin1String xhttpDisableSse("xhttp_disable_sse");           // bool
+
+        // Transport — XHTTP Session & Sequence
+        constexpr QLatin1String xhttpSessionPlacement("xhttp_session_placement"); // Path | Header | Cookie | None
+        constexpr QLatin1String xhttpSessionKey("xhttp_session_key");
+        constexpr QLatin1String xhttpSeqPlacement("xhttp_seq_placement");
+        constexpr QLatin1String xhttpSeqKey("xhttp_seq_key");
+        constexpr QLatin1String xhttpUplinkDataPlacement("xhttp_uplink_data_placement"); // Body | Query
+        constexpr QLatin1String xhttpUplinkDataKey("xhttp_uplink_data_key");
+
+        // Transport — XHTTP Traffic Shaping
+        constexpr QLatin1String xhttpUplinkChunkSize("xhttp_uplink_chunk_size");
+        constexpr QLatin1String xhttpScMaxBufferedPosts("xhttp_sc_max_buffered_posts");
+        constexpr QLatin1String xhttpScMaxEachPostBytesMin("xhttp_sc_max_each_post_bytes_min");
+        constexpr QLatin1String xhttpScMaxEachPostBytesMax("xhttp_sc_max_each_post_bytes_max");
+        constexpr QLatin1String xhttpScMinPostsIntervalMsMin("xhttp_sc_min_posts_interval_ms_min");
+        constexpr QLatin1String xhttpScMinPostsIntervalMsMax("xhttp_sc_min_posts_interval_ms_max");
+        constexpr QLatin1String xhttpScStreamUpServerSecsMin("xhttp_sc_stream_up_server_secs_min");
+        constexpr QLatin1String xhttpScStreamUpServerSecsMax("xhttp_sc_stream_up_server_secs_max");
+
+        // Transport — mKCP
+        constexpr QLatin1String mkcpTti("mkcp_tti");
+        constexpr QLatin1String mkcpUplinkCapacity("mkcp_uplink_capacity");
+        constexpr QLatin1String mkcpDownlinkCapacity("mkcp_downlink_capacity");
+        constexpr QLatin1String mkcpReadBufferSize("mkcp_read_buffer_size");
+        constexpr QLatin1String mkcpWriteBufferSize("mkcp_write_buffer_size");
+        constexpr QLatin1String mkcpCongestion("mkcp_congestion"); // bool
+
+        // xPadding
+        constexpr QLatin1String xPaddingBytesMin("xpadding_bytes_min");
+        constexpr QLatin1String xPaddingBytesMax("xpadding_bytes_max");
+        constexpr QLatin1String xPaddingObfsMode("xpadding_obfs_mode"); // bool
+        constexpr QLatin1String xPaddingKey("xpadding_key");
+        constexpr QLatin1String xPaddingHeader("xpadding_header");
+        constexpr QLatin1String xPaddingPlacement("xpadding_placement"); // Cookie | Header | Query | Body
+        constexpr QLatin1String xPaddingMethod("xpadding_method");       // Repeat-x | Random | Zero
+
+        // xmux
+        constexpr QLatin1String xmuxEnabled("xmux_enabled"); // bool
+        constexpr QLatin1String xmuxMaxConcurrencyMin("xmux_max_concurrency_min");
+        constexpr QLatin1String xmuxMaxConcurrencyMax("xmux_max_concurrency_max");
+        constexpr QLatin1String xmuxMaxConnectionsMin("xmux_max_connections_min");
+        constexpr QLatin1String xmuxMaxConnectionsMax("xmux_max_connections_max");
+        constexpr QLatin1String xmuxCMaxReuseTimesMin("xmux_c_max_reuse_times_min");
+        constexpr QLatin1String xmuxCMaxReuseTimesMax("xmux_c_max_reuse_times_max");
+        constexpr QLatin1String xmuxHMaxRequestTimesMin("xmux_h_max_request_times_min");
+        constexpr QLatin1String xmuxHMaxRequestTimesMax("xmux_h_max_request_times_max");
+        constexpr QLatin1String xmuxHMaxReusableSecsMin("xmux_h_max_reusable_secs_min");
+        constexpr QLatin1String xmuxHMaxReusableSecsMax("xmux_h_max_reusable_secs_max");
+        constexpr QLatin1String xmuxHKeepAlivePeriod("xmux_h_keep_alive_period");
     }
 }
 

client/core/utils/constants/protocolConstants.h

@@ -3,6 +3,7 @@
 
 namespace amnezia
 {
+
     namespace protocols
     {
 
@@ -57,6 +58,40 @@ namespace amnezia
             constexpr char defaultPort[] = "443";
             constexpr char defaultLocalProxyPort[] = "10808";
             constexpr char defaultLocalAddr[] = "10.33.0.2";
+            constexpr char defaultLocalListenAddr[] = "127.0.0.1";
+
+            constexpr char defaultSecurity[] = "reality";
+            constexpr char defaultFlow[] = "xtls-rprx-vision";
+            constexpr char defaultTransport[] = "raw";
+            constexpr char defaultFingerprint[] = "chrome";
+            constexpr char defaultSni[] = "cdn.example.com";
+            constexpr char defaultAlpn[] = "HTTP/2";
+
+            constexpr char defaultXhttpMode[] = "Auto";
+            constexpr char defaultXhttpHeadersTemplate[] = "HTTP";
+            constexpr char defaultXhttpUplinkMethod[] = "POST";
+            constexpr char defaultXhttpSessionPlacement[] = "Path";
+            constexpr char defaultXhttpSessionKey[] = "Path";
+            constexpr char defaultXhttpSeqPlacement[] = "Path";
+            constexpr char defaultXhttpUplinkDataPlacement[] = "Body";
+
+            constexpr char defaultXhttpHost[] = "www.googletagmanager.com";
+            constexpr char defaultXhttpUplinkChunkSize[] = "0";
+            constexpr char defaultXhttpScMaxEachPostBytesMin[] = "1";
+            constexpr char defaultXhttpScMaxEachPostBytesMax[] = "100";
+            constexpr char defaultXhttpScMinPostsIntervalMsMin[] = "100";
+            constexpr char defaultXhttpScMinPostsIntervalMsMax[] = "800";
+            constexpr char defaultXhttpScStreamUpServerSecsMin[] = "1";
+            constexpr char defaultXhttpScStreamUpServerSecsMax[] = "100";
+
+            constexpr char defaultXPaddingPlacement[] = "Cookie";
+            constexpr char defaultXPaddingMethod[] = "Repeat-x";
+
+            constexpr char defaultMkcpTti[] = "50";
+            constexpr char defaultMkcpUplinkCapacity[] = "5";
+            constexpr char defaultMkcpDownlinkCapacity[] = "20";
+            constexpr char defaultMkcpReadBufferSize[] = "2";
+            constexpr char defaultMkcpWriteBufferSize[] = "2";
 
             constexpr char outbounds[] = "outbounds";
             constexpr char inbounds[] = "inbounds";
@@ -174,9 +209,71 @@ namespace amnezia
             constexpr char proxyConfigPath[] = "/usr/local/3proxy/conf/3proxy.cfg";
         }
 
+        namespace mtProxy
+        {
+            constexpr char secretKey[]            = "mtproxy_secret";
+            constexpr char tagKey[]               = "mtproxy_tag";
+            constexpr char tgLinkKey[]            = "mtproxy_tg_link";
+            constexpr char tmeLinkKey[]           = "mtproxy_tme_link";
+            constexpr char isEnabledKey[]         = "mtproxy_is_enabled";
+            constexpr char publicHostKey[]        = "mtproxy_public_host";
+            constexpr char transportModeKey[]     = "mtproxy_transport_mode";
+            constexpr char tlsDomainKey[]         = "mtproxy_tls_domain";
+            constexpr char additionalSecretsKey[] = "mtproxy_additional_secrets";
+            constexpr char workersKey[]           = "mtproxy_workers";
+            constexpr char workersModeKey[]       = "mtproxy_workers_mode";
+            constexpr char natEnabledKey[]        = "mtproxy_nat_enabled";
+            constexpr char natInternalIpKey[]     = "mtproxy_nat_internal_ip";
+            constexpr char natExternalIpKey[]     = "mtproxy_nat_external_ip";
+
+            constexpr char transportModeStandard[] = "standard";
+            constexpr char transportModeFakeTLS[]  = "faketls";
+
+            constexpr char workersModeAuto[]       = "auto";
+            constexpr char workersModeManual[]     = "manual";
+
+            constexpr char defaultPort[]           = "443";
+            constexpr char defaultWorkers[]        = "2";
+            constexpr int  maxWorkers              = 32;
+            constexpr int  botTagHexLength         = 32;
+            constexpr char defaultTlsDomain[]      = "googletagmanager.com";
+        }
+
+        namespace telemt
+        {
+            constexpr char secretKey[]            = "telemt_secret";
+            constexpr char tagKey[]               = "telemt_tag";
+            constexpr char tgLinkKey[]            = "telemt_tg_link";
+            constexpr char tmeLinkKey[]           = "telemt_tme_link";
+            constexpr char isEnabledKey[]         = "telemt_is_enabled";
+            constexpr char publicHostKey[]        = "telemt_public_host";
+            constexpr char transportModeKey[]     = "telemt_transport_mode";
+            constexpr char tlsDomainKey[]         = "telemt_tls_domain";
+            constexpr char maskEnabledKey[]       = "telemt_mask_enabled";
+            constexpr char tlsEmulationKey[]      = "telemt_tls_emulation";
+            constexpr char useMiddleProxyKey[]    = "telemt_use_middle_proxy";
+            constexpr char userNameKey[]          = "telemt_user_name";
+            // Stored for UI only (Telemt server ignores these; same controls as MTProxy page)
+            constexpr char additionalSecretsKey[] = "telemt_additional_secrets";
+            constexpr char workersKey[]           = "telemt_workers";
+            constexpr char workersModeKey[]       = "telemt_workers_mode";
+            constexpr char natEnabledKey[]        = "telemt_nat_enabled";
+            constexpr char natInternalIpKey[]     = "telemt_nat_internal_ip";
+            constexpr char natExternalIpKey[]     = "telemt_nat_external_ip";
+
+            constexpr char transportModeStandard[] = "standard";
+            constexpr char transportModeFakeTLS[]  = "faketls";
+
+            constexpr char defaultPort[]           = "443";
+            constexpr char defaultTlsDomain[]      = "googletagmanager.com";
+            constexpr char defaultUserName[]       = "amnezia";
+            constexpr char defaultWorkers[]        = "2";
+            constexpr char workersModeAuto[]       = "auto";
+            constexpr char workersModeManual[]     = "manual";
+            constexpr int  maxWorkers              = 32;
+        }
+
     } // namespace protocols
 }
 
 #endif // PROTOCOLCONSTANTS_H
-
-

client/core/utils/containerEnum.h

@@ -23,7 +23,9 @@ namespace amnezia
             TorWebSite,
             Dns,
             Sftp,
-            Socks5Proxy
+            Socks5Proxy,
+            MtProxy,
+            Telemt,
         };
         Q_ENUM_NS(DockerContainer)
     } // namespace ContainerEnumNS

client/core/utils/containers/containerUtils.cpp

@@ -72,7 +72,10 @@ QMap<DockerContainer, QString> ContainerUtils::containerHumanNames()
              { DockerContainer::TorWebSite, QObject::tr("Website in Tor network") },
              { DockerContainer::Dns, QObject::tr("AmneziaDNS") },
              { DockerContainer::Sftp, QObject::tr("SFTP file sharing service") },
-             { DockerContainer::Socks5Proxy, QObject::tr("SOCKS5 proxy server") } };
+             { DockerContainer::Socks5Proxy, QObject::tr("SOCKS5 proxy server") },
+             { DockerContainer::MtProxy, QObject::tr("MTProxy (Telegram)") },
+             { DockerContainer::Telemt, QObject::tr("Telemt (Telegram)") },
+    };
 }
 
 QMap<DockerContainer, QString> ContainerUtils::containerDescriptions()
@@ -102,7 +105,12 @@ QMap<DockerContainer, QString> ContainerUtils::containerDescriptions()
              { DockerContainer::Sftp,
                QObject::tr("Create a file vault on your server to securely store and transfer files.") },
              { DockerContainer::Socks5Proxy,
-               QObject::tr("") } };
+               QObject::tr("") },
+             { DockerContainer::MtProxy,
+               QObject::tr("Telegram MTProto proxy server") },
+             { DockerContainer::Telemt,
+               QObject::tr("Telegram MTProto proxy (Telemt, Rust)") },
+    };
 }
 
 QMap<DockerContainer, QString> ContainerUtils::containerDetailedDescriptions()
@@ -172,7 +180,15 @@ QMap<DockerContainer, QString> ContainerUtils::containerDetailedDescriptions()
                       "You will be able to access it using\n FileZilla or other SFTP clients, "
                       "as well as mount the disk on your device to access\n it directly from your device.\n\n"
                       "For more detailed information, you can\n find it in the support section under \"Create SFTP file storage.\" ") },
-        { DockerContainer::Socks5Proxy, QObject::tr("SOCKS5 proxy server") }
+        { DockerContainer::Socks5Proxy, QObject::tr("SOCKS5 proxy server") },
+        { DockerContainer::MtProxy,
+          QObject::tr("Telegram MTProto proxy server. "
+                      "Allows Telegram clients to connect through your server "
+                      "using the MTProto protocol. Supports FakeTLS mode for "
+                      "bypassing DPI-based blocking.") },
+        { DockerContainer::Telemt,
+          QObject::tr("Telegram MTProto proxy powered by Telemt (Rust). "
+                      "Supports secure and TLS fronting modes with optional traffic masking.") },
     };
 }
 
@@ -197,6 +213,8 @@ Proto ContainerUtils::defaultProtocol(DockerContainer c)
     case DockerContainer::Dns: return Proto::Dns;
     case DockerContainer::Sftp: return Proto::Sftp;
     case DockerContainer::Socks5Proxy: return Proto::Socks5Proxy;
+    case DockerContainer::MtProxy: return Proto::MtProxy;
+    case DockerContainer::Telemt: return Proto::Telemt;
     default: return Proto::Unknown;
     }
 }
@@ -224,6 +242,8 @@ bool ContainerUtils::isSupportedByCurrentPlatform(DockerContainer c)
     case DockerContainer::Awg: return true;
     case DockerContainer::Xray: return true;
     case DockerContainer::SSXray: return true;
+    case DockerContainer::MtProxy: return true;
+    case DockerContainer::Telemt: return true;
     default:
         return false;
     }
@@ -237,7 +257,8 @@ bool ContainerUtils::isSupportedByCurrentPlatform(DockerContainer c)
     case DockerContainer::Awg: return true;
     case DockerContainer::Xray: return true;
     case DockerContainer::SSXray: return true;
-        return false;
+    case DockerContainer::MtProxy: return true;
+    case DockerContainer::Telemt: return true;
     default:
         return false;
     }
@@ -256,6 +277,8 @@ bool ContainerUtils::isSupportedByCurrentPlatform(DockerContainer c)
     case DockerContainer::Awg: return true;
     case DockerContainer::Xray: return true;
     case DockerContainer::SSXray: return true;
+    case DockerContainer::MtProxy: return true;
+    case DockerContainer::Telemt: return true;
     default: return false;
     }
 
@@ -318,6 +341,8 @@ bool ContainerUtils::isShareable(DockerContainer container)
     case DockerContainer::Dns: return false;
     case DockerContainer::Sftp: return false;
     case DockerContainer::Socks5Proxy: return false;
+    case DockerContainer::MtProxy: return false;
+    case DockerContainer::Telemt: return false;
     default: return true;
     }
 }
@@ -346,8 +371,10 @@ int ContainerUtils::installPageOrder(DockerContainer container)
     case DockerContainer::Xray: return 3;
     case DockerContainer::Ipsec: return 7;
     case DockerContainer::SSXray: return 8;
+    case DockerContainer::MtProxy:
+    case DockerContainer::Telemt:
+        return 20;
     default: return 0;
     }
 }
 
-

client/core/utils/errorCodes.h

@@ -35,6 +35,9 @@ namespace amnezia
         ServerCgroupMountpoint = 212,
         DockerPullRateLimit = 213,
         ServerLinuxKernelTooOld = 214,
+        XrayServerConfigInvalid = 215,
+        XrayServerNoVlessClients = 216,
+        XrayRealityKeysReadFailed = 217,
 
         // Ssh connection errors
         SshRequestDeniedError = 300,
@@ -98,6 +101,11 @@ namespace amnezia
         ApiSubscriptionNotActiveError = 1114,
         ApiNoPurchasedSubscriptionsError = 1115,
         ApiTrialAlreadyUsedError = 1116,
+        ApiCaptchaRequiredError = 1117,
+        ApiCaptchaInvalidError = 1118,
+        ApiCaptchaRefreshError = 1119,
+        ApiRateLimitError = 1120,
+        ApiNoPurchasesToRestore = 1121,
 
         // QFile errors
         OpenError = 1200,
@@ -105,7 +113,16 @@ namespace amnezia
         PermissionsError = 1202,
         UnspecifiedError = 1203,
         FatalError = 1204,
-        AbortError = 1205
+        AbortError = 1205,
+
+        // Billing errors
+        BillingCanceled = 1300,
+        BillingError = 1301,
+        BillingGooglePlayError = 1302,
+        BillingUnavailable = 1303,
+        SubscriptionAlreadyOwned = 1304,
+        SubscriptionUnavailable = 1305,
+        BillingNetworkError = 1306,
       };
       Q_ENUM_NS(ErrorCode)
     }

client/core/utils/errorStrings.cpp

@@ -30,6 +30,15 @@ QString errorString(ErrorCode code) {
     case(ErrorCode::ServerCgroupMountpoint): errorMessage = QObject::tr("Server error: cgroup mountpoint does not exist"); break;
     case(ErrorCode::DockerPullRateLimit): errorMessage = QObject::tr("Docker error: The pull rate limit has been reached"); break;
     case(ErrorCode::ServerLinuxKernelTooOld): errorMessage = QObject::tr("Server error: Linux kernel is too old"); break;
+    case(ErrorCode::XrayServerConfigInvalid):
+        errorMessage = QObject::tr("Server error: invalid or unreadable XRay server configuration");
+        break;
+    case(ErrorCode::XrayServerNoVlessClients):
+        errorMessage = QObject::tr("Server error: XRay server has no VLESS clients");
+        break;
+    case(ErrorCode::XrayRealityKeysReadFailed):
+        errorMessage = QObject::tr("Server error: failed to read XRay Reality keys from the server");
+        break;
 
     // Libssh errors
     case(ErrorCode::SshRequestDeniedError): errorMessage = QObject::tr("SSH request was denied"); break;
@@ -84,6 +93,19 @@ QString errorString(ErrorCode code) {
     case (ErrorCode::ApiSubscriptionNotActiveError): errorMessage = QObject::tr("No active subscription found"); break;
     case (ErrorCode::ApiNoPurchasedSubscriptionsError): errorMessage = QObject::tr("No purchased subscriptions found. Please purchase a subscription first"); break;
     case (ErrorCode::ApiTrialAlreadyUsedError): errorMessage = QObject::tr("This email address has already been used to activate a trial"); break;
+    case (ErrorCode::ApiCaptchaRequiredError): errorMessage = QObject::tr("CAPTCHA verification is required"); break;
+    case (ErrorCode::ApiCaptchaInvalidError): errorMessage = QObject::tr("CAPTCHA was incorrect. Please try again"); break;
+    case (ErrorCode::ApiCaptchaRefreshError): errorMessage = QObject::tr("CAPTCHA refreshed. Please try again"); break;
+    case (ErrorCode::ApiRateLimitError): errorMessage = QObject::tr("Too many requests. Please try again later"); break;
+    case (ErrorCode::ApiNoPurchasesToRestore):
+#if defined(Q_OS_ANDROID)
+        errorMessage = QObject::tr("No purchases to restore. If you have an active subscription, make sure you're signed in with the same Google account used for the purchase.");
+#elif defined(Q_OS_IOS) || defined(MACOS_NE)
+        errorMessage = QObject::tr("No purchases to restore. If you have an active subscription, make sure you're signed in with the same Apple ID used for the purchase.");
+#else
+        errorMessage = QObject::tr("No purchases to restore. If you have an active subscription, make sure you're signed in with the same account used for the purchase.");
+#endif
+        break;
 
     // QFile errors
     case(ErrorCode::OpenError): errorMessage = QObject::tr("QFile error: The file could not be opened"); break;
@@ -93,6 +115,15 @@ QString errorString(ErrorCode code) {
     case(ErrorCode::FatalError): errorMessage =  QObject::tr("QFile error: A fatal error occurred"); break;
     case(ErrorCode::AbortError): errorMessage =  QObject::tr("QFile error: The operation was aborted"); break;
 
+    // Billing errors
+    case(ErrorCode::BillingCanceled): errorMessage = QObject::tr("Transaction was canceled by the user"); break;
+    case(ErrorCode::BillingError): errorMessage = QObject::tr("Billing error"); break;
+    case(ErrorCode::BillingGooglePlayError): errorMessage = QObject::tr("Internal Google Play error, please try again later"); break;
+    case(ErrorCode::BillingUnavailable): errorMessage = QObject::tr("Billing is unavailable, please try again later"); break;
+    case(ErrorCode::SubscriptionAlreadyOwned): errorMessage = QObject::tr("You already own this subscription"); break;
+    case(ErrorCode::SubscriptionUnavailable): errorMessage = QObject::tr("The requested subscription is not available for purchase"); break;
+    case(ErrorCode::BillingNetworkError): errorMessage = QObject::tr("A network error occurred during the operation, please check the Internet connection"); break;
+
     case(ErrorCode::InternalError):
     default:
         errorMessage = QObject::tr("Internal error"); break;

client/core/utils/protocolEnum.h

@@ -30,7 +30,9 @@ namespace amnezia
             TorWebSite,
             Dns,
             Sftp,
-            Socks5Proxy
+            Socks5Proxy,
+            MtProxy,
+            Telemt,
         };
         Q_ENUM_NS(Proto)
 

client/core/utils/selfhosted/scriptsRegistry.cpp

@@ -9,7 +9,6 @@
 #include "core/utils/containerEnum.h"
 #include "core/utils/containers/containerUtils.h"
 #include "core/utils/protocolEnum.h"
-#include "core/utils/protocolEnum.h"
 #include "core/protocols/protocolUtils.h"
 #include "core/utils/constants/configKeys.h"
 #include "core/utils/constants/protocolConstants.h"
@@ -20,6 +19,8 @@
 #include "core/models/protocols/xrayProtocolConfig.h"
 #include "core/models/protocols/sftpProtocolConfig.h"
 #include "core/models/protocols/socks5ProxyProtocolConfig.h"
+#include "core/models/protocols/mtProxyProtocolConfig.h"
+#include "core/models/protocols/telemtProtocolConfig.h"
 
 using namespace amnezia;
 using namespace ProtocolUtils;
@@ -38,6 +39,8 @@ QString amnezia::scriptFolder(amnezia::DockerContainer container)
     case DockerContainer::Dns: return QLatin1String("dns");
     case DockerContainer::Sftp: return QLatin1String("sftp");
     case DockerContainer::Socks5Proxy: return QLatin1String("socks5_proxy");
+    case DockerContainer::MtProxy: return QLatin1String("mtproxy");
+    case DockerContainer::Telemt: return QLatin1String("telemt");
     default: return QString();
     }
 }
@@ -284,6 +287,90 @@ amnezia::ScriptVars amnezia::genSocks5ProxyVars(const ContainerConfig &container
     return vars;
 }
 
+amnezia::ScriptVars amnezia::genMtProxyVars(const ContainerConfig &containerConfig) {
+    ScriptVars vars;
+
+    if (auto *mtProxyProtocolConfig = containerConfig.getMtProxyProtocolConfig()) {
+        const MtProxyProtocolConfig &c = *mtProxyProtocolConfig;
+
+        vars.append({{"$MTPROXY_PORT", c.port.isEmpty() ? QString(protocols::mtProxy::defaultPort) : c.port}});
+        vars.append({{"$MTPROXY_SECRET", c.secret}});
+        vars.append({{"$MTPROXY_REGENERATE_SECRET",
+                      c.secret.isEmpty() ? QStringLiteral("1") : QStringLiteral("0")}});
+        vars.append({{"$MTPROXY_TAG", c.tag}});
+        vars.append({{"$MTPROXY_TRANSPORT_MODE",
+                      c.transportMode.isEmpty() ? QString(protocols::mtProxy::transportModeStandard)
+                                                : c.transportMode}});
+
+        QString tlsDomain = c.tlsDomain;
+        if (tlsDomain.isEmpty()) {
+            tlsDomain = QString(protocols::mtProxy::defaultTlsDomain);
+        }
+        vars.append({{"$MTPROXY_TLS_DOMAIN", tlsDomain}});
+        vars.append({{"$MTPROXY_PUBLIC_HOST", c.publicHost}});
+
+        QStringList additionalList;
+        for (const QString &s: c.additionalSecrets) {
+            if (!s.isEmpty()) {
+                additionalList << s;
+            }
+        }
+        vars.append({{"$MTPROXY_ADDITIONAL_SECRETS", additionalList.join(QLatin1Char(','))}});
+
+        const QString workersMode = c.workersMode.isEmpty() ? QString(protocols::mtProxy::workersModeAuto)
+                                                            : c.workersMode;
+        QString workers;
+        if (workersMode == QLatin1String(protocols::mtProxy::workersModeManual)) {
+            workers = c.workers.isEmpty() ? QString(protocols::mtProxy::defaultWorkers) : c.workers;
+        } else {
+            const QString transportMode =
+                    c.transportMode.isEmpty() ? QString(protocols::mtProxy::transportModeStandard) : c.transportMode;
+            workers = (transportMode == QLatin1String(protocols::mtProxy::transportModeFakeTLS)) ? QStringLiteral("0")
+                                                                                                 : QStringLiteral("2");
+        }
+        vars.append({{"$MTPROXY_WORKERS", workers}});
+
+        vars.append({{"$MTPROXY_NAT_ENABLED", c.natEnabled ? QStringLiteral("1") : QStringLiteral("0")}});
+        vars.append({{"$MTPROXY_NAT_INTERNAL_IP", c.natInternalIp}});
+        vars.append({{"$MTPROXY_NAT_EXTERNAL_IP", c.natExternalIp}});
+    }
+
+    return vars;
+}
+
+amnezia::ScriptVars amnezia::genTelemtVars(const ContainerConfig &containerConfig)
+{
+    ScriptVars vars;
+
+    if (auto *telemtProtocolConfig = containerConfig.getTelemtProtocolConfig()) {
+        const TelemtProtocolConfig &c = *telemtProtocolConfig;
+
+        const QString transport = c.transportMode.isEmpty() ? QString(protocols::telemt::transportModeStandard)
+                                                            : c.transportMode;
+        const bool faketls = (transport == QLatin1String(protocols::telemt::transportModeFakeTLS));
+        vars.append({ { "$TELEMT_TOML_SECURE", faketls ? QLatin1String("false") : QLatin1String("true") } });
+        vars.append({ { "$TELEMT_TOML_TLS", faketls ? QLatin1String("true") : QLatin1String("false") } });
+        vars.append({ { "$TELEMT_PORT", c.port.isEmpty() ? QString(protocols::telemt::defaultPort) : c.port } });
+        vars.append({ { "$TELEMT_SECRET", c.secret } });
+        vars.append({ { "$TELEMT_REGENERATE_SECRET",
+                         c.secret.isEmpty() ? QStringLiteral("1") : QStringLiteral("0") } });
+        vars.append({ { "$TELEMT_TAG", c.tag } });
+        QString tlsDomain = c.tlsDomain;
+        if (tlsDomain.isEmpty()) {
+            tlsDomain = QString(protocols::telemt::defaultTlsDomain);
+        }
+        vars.append({ { "$TELEMT_TLS_DOMAIN", tlsDomain } });
+        vars.append({ { "$TELEMT_PUBLIC_HOST", c.publicHost } });
+        vars.append({ { "$TELEMT_USER_NAME",
+                         c.userName.isEmpty() ? QString::fromUtf8(protocols::telemt::defaultUserName) : c.userName } });
+        vars.append({ { "$TELEMT_USE_MIDDLE_PROXY", c.useMiddleProxy ? QLatin1String("true") : QLatin1String("false") } });
+        vars.append({ { "$TELEMT_MASK", c.maskEnabled ? QLatin1String("true") : QLatin1String("false") } });
+        vars.append({ { "$TELEMT_TLS_EMULATION", c.tlsEmulation ? QLatin1String("true") : QLatin1String("false") } });
+    }
+
+    return vars;
+}
+
 amnezia::ScriptVars amnezia::genProtocolVarsForContainer(DockerContainer container, const ContainerConfig &containerConfig)
 {
     ScriptVars vars;
@@ -308,6 +395,12 @@ amnezia::ScriptVars amnezia::genProtocolVarsForContainer(DockerContainer contain
     case Proto::Socks5Proxy:
         vars.append(genSocks5ProxyVars(containerConfig));
         break;
+    case Proto::MtProxy:
+        vars.append(genMtProxyVars(containerConfig));
+        break;
+    case Proto::Telemt:
+        vars.append(genTelemtVars(containerConfig));
+        break;
     default:
         break;
     }

client/core/utils/selfhosted/scriptsRegistry.h

@@ -67,6 +67,8 @@ ScriptVars genWireGuardVars(const ContainerConfig &containerConfig);
 ScriptVars genAwgVars(const ContainerConfig &containerConfig);
 ScriptVars genSftpVars(const ContainerConfig &containerConfig);
 ScriptVars genSocks5ProxyVars(const ContainerConfig &containerConfig);
+ScriptVars genMtProxyVars(const ContainerConfig &containerConfig);
+ScriptVars genTelemtVars(const ContainerConfig &containerConfig);
 
 ScriptVars genProtocolVarsForContainer(DockerContainer container, const ContainerConfig &containerConfig);
 }

client/core/utils/selfhosted/sshClient.cpp

@@ -56,7 +56,7 @@ namespace libssh {
             QEventLoop wait;
             connect(&watcher, &QFutureWatcher<ErrorCode>::finished, &wait, &QEventLoop::quit);
             watcher.setFuture(future);
-            wait.exec();
+            wait.exec(QEventLoop::ExcludeUserInputEvents);
 
             int connectionResult = watcher.result();
 
@@ -189,7 +189,7 @@ namespace libssh {
 
         QEventLoop wait;
         QObject::connect(this, &Client::writeToChannelFinished, &wait, &QEventLoop::quit);
-        wait.exec();
+        wait.exec(QEventLoop::ExcludeUserInputEvents);
 
         return watcher.result();
     }
@@ -284,7 +284,7 @@ namespace libssh {
 
         QEventLoop wait;
         QObject::connect(this, &Client::scpFileCopyFinished, &wait, &QEventLoop::quit);
-        wait.exec();
+        wait.exec(QEventLoop::ExcludeUserInputEvents);
 
         closeScpSession();
         return watcher.result();

client/core/utils/selfhosted/sshSession.cpp

@@ -103,8 +103,8 @@ ErrorCode SshSession::runContainerScript(const ServerCredentials &credentials, D
     if (e)
         return e;
 
-    QString runner =
-            QString("sudo docker exec -i $CONTAINER_NAME %2 %1 ").arg(fileName, (container == DockerContainer::Socks5Proxy ? "sh" : "bash"));
+    const bool useSh = container == DockerContainer::Socks5Proxy || container == DockerContainer::MtProxy || container == DockerContainer::Telemt;
+    QString runner = QString("sudo docker exec -i $CONTAINER_NAME %2 %1 ").arg(fileName, useSh ? "sh" : "bash");
     e = runScript(credentials, replaceVars(runner, amnezia::genBaseVars(credentials, container, QString(), QString())), cbReadStdOut, cbReadStdErr);
 
     QString remover = QString("sudo docker exec -i $CONTAINER_NAME rm %1 ").arg(fileName);

client/core/utils/serialization/vmess.cpp

@@ -170,7 +170,7 @@ QJsonObject Deserialize(const QString &vmessStr, QString *alias, QString *errMes
     //   - It can be empty, if so,           if the key is not in the JSON, or the value is empty,  report an error.
     //   - Else if it contains one thing.    if the key is not in the JSON, or the value is empty,  use that one.
     //   - Else if it contains many things,  when the key IS in the JSON but not within the THINGS, use the first in the THINGS
-    //   - Else -------------------------------------------->>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>  use the JSON value
+    //   - Else -------------------------------------------- use the JSON value
     //
 #define __vmess_checker__func(key, values)                                                                                                               \
     {                                                                                                                                                    \

client/ios/networkextension/CMakeLists.txt

@@ -26,6 +26,8 @@ set_target_properties(networkextension PROPERTIES
     XCODE_ATTRIBUTE_TARGETED_DEVICE_FAMILY "1,2"
 
     XCODE_ATTRIBUTE_LD_RUNPATH_SEARCH_PATHS "@executable_path/../../Frameworks"
+
+    XCODE_LINK_BUILD_PHASE_MODE KNOWN_LOCATION
 )
 
 if(DEPLOY)
@@ -114,10 +116,20 @@ target_include_directories(networkextension PRIVATE ${CLIENT_ROOT_DIR})
 target_include_directories(networkextension PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
 
 find_package(openvpnadapter REQUIRED)
+# FIXME(ygurov): https://github.com/conan-io/conan/issues/20034
+set_property(TARGET amnezia::openvpnadapter APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
+set_property(TARGET amnezia::openvpnadapter APPEND PROPERTY IMPORTED_CONFIGURATIONS MINSIZEREL)
+set_property(TARGET amnezia::openvpnadapter APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
+set_property(TARGET amnezia::openvpnadapter APPEND PROPERTY IMPORTED_CONFIGURATIONS RELWITHDEBINFO)
 target_link_libraries(networkextension PRIVATE amnezia::openvpnadapter)
 
 find_package(awg-apple REQUIRED)
 target_link_libraries(networkextension PRIVATE amnezia::awg-apple)
 
 find_package(hev-socks5-tunnel REQUIRED)
+# FIXME(ygurov): https://github.com/conan-io/conan/issues/20034
+set_property(TARGET heiher::hev-socks5-tunnel APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
+set_property(TARGET heiher::hev-socks5-tunnel APPEND PROPERTY IMPORTED_CONFIGURATIONS MINSIZEREL)
+set_property(TARGET heiher::hev-socks5-tunnel APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
+set_property(TARGET heiher::hev-socks5-tunnel APPEND PROPERTY IMPORTED_CONFIGURATIONS RELWITHDEBINFO)
 target_link_libraries(networkextension PRIVATE heiher::hev-socks5-tunnel)

client/main.cpp

@@ -1,13 +1,12 @@
 #include <QDebug>
 #include <QTimer>
+#include <libssh/libssh.h>
 
 #include "amneziaApplication.h"
 #include "core/utils/osSignalHandler.h"
 #include "core/utils/migrations.h"
 #include "version.h"
 
-#include <QTimer>
-
 #ifdef Q_OS_WIN
     #include "Windows.h"
 #endif
@@ -47,6 +46,11 @@ int main(int argc, char *argv[])
     AmneziaApplication app(argc, argv);
     OsSignalHandler::setup();
 
+    ssh_init();
+    QObject::connect(&app, &QCoreApplication::aboutToQuit, []() {
+        ssh_finalize();
+    });
+
 #if !defined(Q_OS_ANDROID) && !defined(Q_OS_IOS) && !defined(MACOS_NE)
     if (isAnotherInstanceRunning()) {
         QTimer::singleShot(1000, &app, [&]() { app.quit(); });

client/platforms/android/android_controller.cpp

@@ -328,6 +328,57 @@ void AndroidController::sendTouch(float x, float y)
     callActivityMethod("sendTouch", "(FF)V", x, y);
 }
 
+
+bool AndroidController::isPlay()
+{
+    return callActivityMethod<jboolean>("isPlay", "()Z");
+}
+
+bool AndroidController::isTestPurchaseEnvironment()
+{
+    return callActivityMethod<jboolean>("isTestPurchaseEnvironment", "()Z");
+}
+
+QJsonObject AndroidController::getSubscriptionPlans()
+{
+    QJniObject subscriptionPlans = callActivityMethod<jstring>("getSubscriptionPlans", "()Ljava/lang/String;");
+    QJsonObject json = QJsonDocument::fromJson(subscriptionPlans.toString().toUtf8()).object();
+    return json;
+}
+
+QJsonObject AndroidController::purchaseSubscription(const QString &offerToken)
+{
+    QJniObject result = callActivityMethod<jstring, jstring>("purchaseSubscription", "(Ljava/lang/String;)Ljava/lang/String;",
+                                                    QJniObject::fromString(offerToken).object<jstring>());
+    QJsonObject json = QJsonDocument::fromJson(result.toString().toUtf8()).object();
+    return json;
+}
+
+QJsonObject AndroidController::upgradeSubscription(const QString &offerToken, const QString &oldPurchaseToken)
+{
+    QJniObject result = callActivityMethod<jstring, jstring, jstring>("upgradeSubscription",
+                                                                      "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;",
+                                                                      QJniObject::fromString(offerToken).object<jstring>(),
+                                                                      QJniObject::fromString(oldPurchaseToken).object<jstring>());
+    QJsonObject json = QJsonDocument::fromJson(result.toString().toUtf8()).object();
+    return json;
+}
+
+QJsonObject AndroidController::acknowledgePurchase(const QString &purchaseToken)
+{
+    QJniObject result = callActivityMethod<jstring, jstring>("acknowledgePurchase", "(Ljava/lang/String;)Ljava/lang/String;",
+                                                             QJniObject::fromString(purchaseToken).object<jstring>());
+    QJsonObject json = QJsonDocument::fromJson(result.toString().toUtf8()).object();
+    return json;
+}
+
+QJsonObject AndroidController::queryPurchases()
+{
+    QJniObject result = callActivityMethod<jstring>("queryPurchases", "()Ljava/lang/String;");
+    QJsonObject json = QJsonDocument::fromJson(result.toString().toUtf8()).object();
+    return json;
+}
+
 // Moving log processing to the Android side
 jclass AndroidController::log;
 jmethodID AndroidController::logDebug;

client/platforms/android/android_controller.h

@@ -55,6 +55,13 @@ public:
     void requestNotificationPermission();
     bool requestAuthentication();
     void sendTouch(float x, float y);
+    bool isPlay();
+    bool isTestPurchaseEnvironment();
+    QJsonObject getSubscriptionPlans();
+    QJsonObject purchaseSubscription(const QString &offerToken);
+    QJsonObject upgradeSubscription(const QString &offerToken, const QString &oldPurchaseToken);
+    QJsonObject acknowledgePurchase(const QString &purchaseToken);
+    QJsonObject queryPurchases();
 
     static bool initLogging();
     static void messageHandler(QtMsgType type, const QMessageLogContext &context, const QString &message);

client/platforms/ios/ios_controller.mm

@@ -220,7 +220,7 @@ bool IosController::connectVpn(amnezia::Proto proto, const QJsonObject& configur
     m_rawConfig = configuration;
     m_serverAddress = configuration.value(configKey::hostName).toString().toNSString();
 
-    const QString serverDescription = configuration.value(config_key::description).toString().trimmed();
+    const QString serverDescription = configuration.value(configKey::description).toString().trimmed();
     QString tunnelName;
     if (serverDescription.isEmpty()) {
         tunnelName = ProtocolUtils::protoToString(proto);

client/server_scripts/install_docker.sh

@@ -1,4 +1,4 @@
-if which apt-get > /dev/null 2>&1; then pm=$(which apt-get); silent_inst="-yq install"; check_pkgs="-yq update"; docker_pkg="docker.io"; dist="debian";\
+if which apt-get > /dev/null 2>&1; then pm=$(which apt-get); silent_inst="-yq install --install-recommends"; check_pkgs="-yq update"; docker_pkg="docker.io"; dist="debian";\
 elif which dnf > /dev/null 2>&1; then pm=$(which dnf); silent_inst="-yq install"; check_pkgs="-yq check-update"; docker_pkg="docker"; dist="fedora";\
 elif which yum > /dev/null 2>&1; then pm=$(which yum); silent_inst="-y -q install"; check_pkgs="-y -q check-update"; docker_pkg="docker"; dist="centos";\
 elif which zypper > /dev/null 2>&1; then pm=$(which zypper); silent_inst="-nq install"; check_pkgs="-nq refresh"; docker_pkg="docker"; dist="opensuse";\

client/server_scripts/mtproxy/Dockerfile

@@ -0,0 +1,9 @@
+FROM amneziavpn/mtproxy:latest
+
+RUN mkdir -p /opt/amnezia /data
+RUN printf '#!/bin/sh\ntail -f /dev/null\n' > /opt/amnezia/start.sh && \
+    chmod a+x /opt/amnezia/start.sh
+
+VOLUME /data
+ENTRYPOINT ["/bin/sh", "/opt/amnezia/start.sh"]
+CMD [""]

client/server_scripts/mtproxy/configure_container.sh

@@ -0,0 +1,62 @@
+#!/bin/sh
+
+# Download Telegram config files
+curl -s https://core.telegram.org/getProxySecret -o /data/proxy-secret
+curl -s https://core.telegram.org/getProxyConfig -o /data/proxy-multi.conf
+
+# Determine secret: regenerate (fresh install) -> env var -> saved file -> generate new
+if [ "$MTPROXY_REGENERATE_SECRET" = "1" ]; then
+    SECRET=$(openssl rand -hex 16)
+elif [ -n "$MTPROXY_SECRET" ]; then
+    SECRET="$MTPROXY_SECRET"
+elif [ -f /data/secret ]; then
+    SECRET=$(cat /data/secret)
+else
+    SECRET=$(openssl rand -hex 16)
+fi
+
+# Validate: must be exactly 32 hex chars
+echo "$SECRET" | grep -qE '^[0-9a-fA-F]{32}$' || SECRET=$(openssl rand -hex 16)
+
+# Persist secret for start.sh restarts
+echo "$SECRET" > /data/secret
+
+# Detect external IP
+IP=$(curl -s --max-time 5 https://api.ipify.org 2>/dev/null)
+[ -z "$IP" ] && IP=$(curl -s --max-time 5 https://ifconfig.me 2>/dev/null)
+[ -z "$IP" ] && IP=$(curl -s --max-time 5 https://icanhazip.com 2>/dev/null)
+
+# Use custom public host/domain if provided, otherwise fall back to detected IP
+if [ -n "$MTPROXY_PUBLIC_HOST" ]; then
+    LINK_HOST="$MTPROXY_PUBLIC_HOST"
+else
+    LINK_HOST="$IP"
+fi
+
+PORT=$MTPROXY_PORT
+
+# Transport mode is substituted by replaceVars — plain variable, no curly braces
+TRANSPORT_MODE=$MTPROXY_TRANSPORT_MODE
+
+PADDED_SECRET="dd${SECRET}"
+
+if [ "$TRANSPORT_MODE" = "faketls" ] && [ -n "$MTPROXY_TLS_DOMAIN" ]; then
+    DOMAIN_HEX=$(echo -n "$MTPROXY_TLS_DOMAIN" | od -A n -t x1 | tr -d ' \n')
+    FAKETLS_SECRET="ee${SECRET}${DOMAIN_HEX}"
+else
+    FAKETLS_SECRET=""
+fi
+
+# Active link secret depends on transport mode
+if [ "$TRANSPORT_MODE" = "faketls" ] && [ -n "$FAKETLS_SECRET" ]; then
+    LINK_SECRET="$FAKETLS_SECRET"
+else
+    LINK_SECRET="$PADDED_SECRET"
+fi
+
+# Output stable markers — parsed by updateContainerConfigAfterInstallation()
+echo "[*] MTProxy configuration"
+echo "[*] Secret:    ${SECRET}"
+echo "[*] FakeTLS:   ${FAKETLS_SECRET}"
+echo "[*] tg:// link:   tg://proxy?server=${LINK_HOST}&port=${PORT}&secret=${LINK_SECRET}"
+echo "[*] t.me link:    https://t.me/proxy?server=${LINK_HOST}&port=${PORT}&secret=${LINK_SECRET}"

client/server_scripts/mtproxy/run_container.sh

@@ -0,0 +1,9 @@
+# Run container
+sudo docker run -d \
+  --log-driver none \
+  --restart always \
+  -p $MTPROXY_PORT:$MTPROXY_PORT/tcp \
+  -v amnezia-mtproxy-data:/data \
+  --name $CONTAINER_NAME \
+  $CONTAINER_NAME
+

client/server_scripts/mtproxy/start.sh

@@ -0,0 +1,71 @@
+#!/bin/sh
+
+echo "Container startup"
+
+# Read persisted secret
+SECRET=""
+if [ -f /data/secret ]; then
+    SECRET=$(cat /data/secret)
+fi
+
+if [ -z "$SECRET" ]; then
+    echo "ERROR: /data/secret not found — run configure_container first"
+    tail -f /dev/null
+    exit 1
+fi
+
+# Build tag argument
+TAG_ARG=""
+if [ -n "$MTPROXY_TAG" ]; then
+    TAG_ARG="-P $MTPROXY_TAG"
+fi
+
+# Build domain argument for FakeTLS mode
+DOMAIN_ARG=""
+if [ "$MTPROXY_TRANSPORT_MODE" = "faketls" ] && [ -n "$MTPROXY_TLS_DOMAIN" ]; then
+    DOMAIN_ARG="--domain $MTPROXY_TLS_DOMAIN"
+fi
+
+WORKERS=$MTPROXY_WORKERS
+STATS_PORT=2398
+LISTEN_PORT=$MTPROXY_PORT
+
+NAT_FLAG=""
+NAT_VALUE=""
+if [ "$MTPROXY_NAT_ENABLED" = "1" ] && [ -n "$MTPROXY_NAT_INTERNAL_IP" ] && [ -n "$MTPROXY_NAT_EXTERNAL_IP" ]; then
+    NAT_FLAG="--nat-info"
+    NAT_VALUE="$MTPROXY_NAT_INTERNAL_IP:$MTPROXY_NAT_EXTERNAL_IP"
+else
+    INTERNAL_IP=$(hostname -i 2>/dev/null | awk '{print $1}')
+    EXTERNAL_IP=$(curl -s --max-time 5 https://api.ipify.org 2>/dev/null)
+    [ -z "$EXTERNAL_IP" ] && EXTERNAL_IP=$(curl -s --max-time 5 https://ifconfig.me 2>/dev/null)
+
+    if [ -n "$INTERNAL_IP" ] && [ -n "$EXTERNAL_IP" ] && [ "$INTERNAL_IP" != "$EXTERNAL_IP" ]; then
+        NAT_FLAG="--nat-info"
+        NAT_VALUE="${INTERNAL_IP}:${EXTERNAL_IP}"
+    fi
+fi
+
+# Build additional secrets arguments
+ADDITIONAL_SECRETS_ARG=""
+if [ -n "$MTPROXY_ADDITIONAL_SECRETS" ]; then
+    for S in $(echo "$MTPROXY_ADDITIONAL_SECRETS" | tr ',' ' '); do
+        ADDITIONAL_SECRETS_ARG="$ADDITIONAL_SECRETS_ARG -S $S"
+    done
+fi
+
+# Start proxy (foreground)
+exec mtproto-proxy \
+    -u root \
+    -p ${STATS_PORT} \
+    -H ${LISTEN_PORT} \
+    -S ${SECRET} \
+    ${ADDITIONAL_SECRETS_ARG} \
+    --aes-pwd /data/proxy-secret \
+    -M ${WORKERS} \
+    -C 60000 \
+    --allow-skip-dh \
+    ${NAT_FLAG:+${NAT_FLAG} ${NAT_VALUE}} \
+    ${TAG_ARG} \
+    ${DOMAIN_ARG} \
+    /data/proxy-multi.conf

client/server_scripts/remove_container.sh

@@ -1,3 +1,4 @@
 sudo docker stop $CONTAINER_NAME;\
 sudo docker rm -fv $CONTAINER_NAME;\
-sudo docker rmi $CONTAINER_NAME
+sudo docker rmi $CONTAINER_NAME;\
+test "$REMOVE_CONTAINER_DATA" = "1" && sudo docker volume rm -f ${CONTAINER_NAME}-data 2>/dev/null || true

client/server_scripts/serverScripts.qrc

@@ -24,6 +24,14 @@
         <file>ipsec/run_container.sh</file>
         <file>ipsec/start.sh</file>
         <file>ipsec/strongswan.profile</file>
+        <file>mtproxy/configure_container.sh</file>
+        <file>mtproxy/Dockerfile</file>
+        <file>mtproxy/run_container.sh</file>
+        <file>mtproxy/start.sh</file>
+        <file>telemt/configure_container.sh</file>
+        <file>telemt/Dockerfile</file>
+        <file>telemt/run_container.sh</file>
+        <file>telemt/start.sh</file>
         <file>openvpn/configure_container.sh</file>
         <file>openvpn/Dockerfile</file>
         <file>openvpn/run_container.sh</file>
@@ -55,4 +63,3 @@
         <file>xray/template.json</file>
     </qresource>
 </RCC>
-

client/server_scripts/telemt/Dockerfile

@@ -0,0 +1,42 @@
+# syntax=docker/dockerfile:1
+# Debian-based image with Telemt binary (shell + jq for Amnezia configure scripts).
+# Binary from https://github.com/telemt/telemt releases (same pattern as upstream Dockerfile minimal stage).
+
+FROM debian:12-slim
+
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+        binutils \
+        ca-certificates \
+        curl \
+        jq \
+        openssl \
+        tar \
+    && rm -rf /var/lib/apt/lists/*
+
+# Use machine arch (works with classic `docker build`; TARGETARCH is only set with BuildKit).
+RUN set -eux; \
+    ARCH="$(uname -m)"; \
+    case "$ARCH" in \
+        x86_64) ASSET="telemt-x86_64-linux-musl.tar.gz" ;; \
+        aarch64|arm64) ASSET="telemt-aarch64-linux-musl.tar.gz" ;; \
+        *) echo "Unsupported architecture: $ARCH" >&2; exit 1 ;; \
+    esac; \
+    curl -fL --retry 5 --retry-delay 3 --connect-timeout 10 --max-time 120 \
+        -o "/tmp/${ASSET}" "https://github.com/telemt/telemt/releases/latest/download/${ASSET}"; \
+    curl -fL --retry 5 --retry-delay 3 --connect-timeout 10 --max-time 120 \
+        -o "/tmp/${ASSET}.sha256" "https://github.com/telemt/telemt/releases/latest/download/${ASSET}.sha256"; \
+    cd /tmp && sha256sum -c "${ASSET}.sha256"; \
+    tar -xzf "${ASSET}" -C /tmp; \
+    test -f /tmp/telemt; \
+    install -m 0755 /tmp/telemt /usr/local/bin/telemt; \
+    strip --strip-unneeded /usr/local/bin/telemt || true; \
+    rm -f "/tmp/${ASSET}" "/tmp/${ASSET}.sha256" /tmp/telemt
+
+RUN mkdir -p /opt/amnezia /data
+RUN printf '#!/bin/sh\ntail -f /dev/null\n' > /opt/amnezia/start.sh && \
+    chmod a+x /opt/amnezia/start.sh
+
+VOLUME /data
+ENTRYPOINT ["/bin/sh", "/opt/amnezia/start.sh"]
+CMD [""]

client/server_scripts/telemt/configure_container.sh

@@ -0,0 +1,75 @@
+#!/bin/sh
+# Do not use set -e: Telemt / curl / kill edge cases should not abort the whole configure step.
+
+echo "[*] Amnezia Telemt: configure script start"
+mkdir -p /data/tlsfront
+
+# Secret: regenerate (fresh install) -> env var -> saved file -> openssl
+if [ "$TELEMT_REGENERATE_SECRET" = "1" ]; then
+    SECRET=$(openssl rand -hex 16)
+elif [ -n "$TELEMT_SECRET" ]; then
+    SECRET="$TELEMT_SECRET"
+elif [ -f /data/secret ]; then
+    SECRET=$(cat /data/secret)
+else
+    SECRET=$(openssl rand -hex 16)
+fi
+# Must be exactly 32 hex chars
+echo "$SECRET" | grep -qE '^[0-9a-fA-F]{32}$' || SECRET=$(openssl rand -hex 16)
+
+# Build config.toml (other variables substituted on the host by Amnezia before upload)
+rm -f /data/config.toml
+
+{
+    echo "### Amnezia Telemt — generated"
+    echo "[general]"
+    echo "use_middle_proxy = $TELEMT_USE_MIDDLE_PROXY"
+    echo "log_level = \"normal\""
+    if [ -n "$TELEMT_TAG" ]; then
+        echo "ad_tag = \"$TELEMT_TAG\""
+    fi
+    echo ""
+    echo "[general.modes]"
+    echo "classic = false"
+    echo "secure = $TELEMT_TOML_SECURE"
+    echo "tls = $TELEMT_TOML_TLS"
+    echo ""
+    echo "[general.links]"
+    echo "show = \"*\""
+    if [ -n "$TELEMT_PUBLIC_HOST" ]; then
+        echo "public_host = \"$TELEMT_PUBLIC_HOST\""
+    fi
+    echo "public_port = $TELEMT_PORT"
+    echo ""
+    echo "[server]"
+    echo "port = $TELEMT_PORT"
+    echo ""
+    echo "[server.api]"
+    echo "enabled = true"
+    echo "listen = \"0.0.0.0:9091\""
+    # Match upstream Telemt default: localhost API only (curl in this script uses 127.0.0.1).
+    echo "whitelist = [\"127.0.0.0/8\"]"
+    echo ""
+    echo "[[server.listeners]]"
+    echo "ip = \"0.0.0.0\""
+    echo ""
+    echo "[censorship]"
+    echo "tls_domain = \"$TELEMT_TLS_DOMAIN\""
+    echo "mask = $TELEMT_MASK"
+    echo "tls_emulation = $TELEMT_TLS_EMULATION"
+    echo "tls_front_dir = \"/data/tlsfront\""
+    echo ""
+    echo "[access.users]"
+    echo "$TELEMT_USER_NAME = \"$SECRET\""
+} > /data/config.toml
+
+echo "$SECRET" > /data/secret
+chmod 600 /data/secret 2>/dev/null || true
+
+# Do not start telemt here: a long-lived process + curl loop inside `docker exec` can confuse SSH/Docker
+# timing and is unnecessary — start.sh runs telemt after configure. Links can be empty until the service
+# is up; the client still parses Secret below.
+echo "[*] Telemt configuration"
+echo "[*] Secret:    $SECRET"
+echo "[*] tg:// link:   "
+echo "[*] t.me link:    "

client/server_scripts/telemt/run_container.sh

@@ -0,0 +1,9 @@
+# Run container (ulimit per Telemt docs — avoids "Too many open files" under load)
+sudo docker run -d \
+  --log-driver none \
+  --restart always \
+  --ulimit nofile=65536:65536 \
+  -p $TELEMT_PORT:$TELEMT_PORT/tcp \
+  -v amnezia-telemt-data:/data \
+  --name $CONTAINER_NAME \
+  $CONTAINER_NAME

client/server_scripts/telemt/start.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+
+echo "Container startup (Telemt)"
+
+if [ ! -f /data/config.toml ]; then
+    echo "ERROR: /data/config.toml not found — run configure_container first"
+    tail -f /dev/null
+    exit 1
+fi
+
+mkdir -p /data/tlsfront
+exec /usr/local/bin/telemt /data/config.toml