fix: keep pinned go.mod when building amnezia-libxray

* fix: support filepicker android 9

* fix: double call filepicker

* fix: remove double connectionUiControllerProtected

.github/workflows/deploy.yml

@@ -23,6 +23,9 @@ jobs:
               - '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
@@ -154,7 +157,7 @@ jobs:
       run: pip install "conan==2.28.0"
 
     - name: 'Build dependencies'
-      run: cmake -S . -B build -G "Visual Studio 17 2022" -DPREBUILTS_ONLY=1
+      run: cmake -S . -B build -DPREBUILTS_ONLY=1
     
     - name: 'Authorize in remote'
       if: github.ref == 'refs/heads/dev'
@@ -851,13 +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:
@@ -865,13 +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:

CMakeLists.txt

@@ -4,7 +4,7 @@ set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 set(PROJECT AmneziaVPN)
-set(AMNEZIAVPN_VERSION 4.9.0.1)
+set(AMNEZIAVPN_VERSION 4.8.16.3)
 
 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 2122)
+set(APP_ANDROID_VERSION_CODE 2134)
 
 if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
     set(MZ_PLATFORM_NAME "linux")

client/CMakeLists.txt

@@ -212,11 +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

@@ -22,9 +22,14 @@
 #include "logger.h"
 #include "ui/controllers/qml/pageController.h"
 #include "ui/models/installedAppsModel.h"
+#include "ui/utils/mtProxyPublicHostInput.h"
 #include "version.h"
 
 #include "platforms/ios/QRCodeReaderBase.h"
+
+#ifdef Q_OS_ANDROID
+#include "platforms/android/android_controller.h"
+#endif
          
 
 bool AmneziaApplication::m_forceQuit = false;
@@ -119,7 +124,13 @@ void AmneziaApplication::init()
                 win->setPersistentSceneGraph(true);
                 win->setPersistentGraphics(true);
 #endif
+#if defined(Q_OS_ANDROID) || defined(Q_OS_IOS)
                 win->show();
+#else
+                if (!m_coreController || !m_coreController->pageController()->shouldStartMinimized()) {
+                    win->show();
+                }
+#endif
             }
         },
         Qt::QueuedConnection);
@@ -132,6 +143,12 @@ 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();
@@ -215,6 +232,9 @@ void AmneziaApplication::registerTypes()
 
     qmlRegisterType<InstalledAppsModel>("InstalledAppsModel", 1, 0, "InstalledAppsModel");
 
+    qmlRegisterType<PublicHostInputValidator>("MtProxyConfig", 1, 0, "PublicHostInputValidator");
+    qmlRegisterType<PublicHostInputValidator>("TelemtConfig", 1, 0, "PublicHostInputValidator");
+
     amnezia::declareQmlProtocolEnum();
     Vpn::declareQmlVpnConnectionStateEnum();
     PageLoader::declareQmlPageEnum();

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 +1,321 @@
+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: $billingResult")
+
+        if (billingResult.responseCode == BillingResponseCode.ITEM_ALREADY_OWNED) {
+            Log.w(TAG, "Attempting to purchase already owned product")
+            val purchases = queryPurchases()
+            if (purchases.any { PRODUCT_ID in it.products }) throw BillingException(billingResult)
+            else throw BillingException(billingResult, retryable = true)
+        } else if (billingResult.responseCode == BillingResponseCode.ITEM_NOT_OWNED) {
+            Log.w(TAG, "Attempting to replace not owned product")
+            val purchases = queryPurchases()
+            if (purchases.all { PRODUCT_ID !in it.products }) throw BillingException(billingResult)
+            else throw BillingException(billingResult, retryable = true)
+        } else if (!billingResult.isOk) throw BillingException(billingResult)
+
+        subscriptionPurchases.firstOrNull { it != null }?.let { (billingResult, purchases) ->
+            if (!billingResult.isOk) throw BillingException(billingResult)
+            return JSONObject()
+                .put("responseCode", ErrorCode.NoError)
+                .put("purchases", processPurchases(purchases))
+        } ?: throw BillingException("Purchase failed")
+    }
+
+    private fun processPurchases(purchases: List<Purchase>?): JSONArray {
+        val purchaseArray = JSONArray()
+        purchases?.forEach { purchase ->
+            Log.v(TAG, "processPurchases: purchaseToken=${purchase.purchaseToken} orderId=${purchase.orderId} state=${purchase.purchaseState}")
+            /* 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/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <gradient
+        android:type="linear"
+        android:angle="135"
+        android:startColor="#2A2A2E"
+        android:centerColor="#17171A"
+        android:endColor="#0E0E11" />
+</shape>

client/android/res/drawable/ic_launcher_monochrome.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<inset xmlns:android="http://schemas.android.com/apk/res/android"
+    android:drawable="@drawable/ic_amnezia_round"
+    android:insetLeft="19.5%"
+    android:insetTop="19.5%"
+    android:insetRight="19.5%"
+    android:insetBottom="19.5%" />

client/android/res/mipmap-anydpi-v26/icon.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@mipmap/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_monochrome" />
+</adaptive-icon>

client/android/res/mipmap-anydpi-v26/icon_round.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@mipmap/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_monochrome" />
+</adaptive-icon>

client/android/res/values-v31/styles.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="NoActionBar">
+        <item name="android:windowBackground">@color/black</item>
+        <item name="android:colorBackground">@color/black</item>
+        <item name="android:windowActionBar">false</item>
+        <item name="android:windowNoTitle">true</item>
+        <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
+        <item name="android:enforceNavigationBarContrast">false</item>
+        <item name="android:enforceStatusBarContrast">false</item>
+
+        <item name="android:windowSplashScreenBackground">@color/ic_launcher_background</item>
+        <item name="android:windowSplashScreenIconBackgroundColor">@color/ic_launcher_background</item>
+        <item name="android:windowSplashScreenAnimatedIcon">@mipmap/icon</item>
+    </style>
+</resources>

client/android/res/values/colors.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#0E0E11</color>
+</resources>

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

@@ -42,6 +42,7 @@ import androidx.core.view.OnApplyWindowInsetsListener
 import androidx.core.view.ViewCompat
 import androidx.core.view.WindowInsetsCompat
 import androidx.core.view.WindowInsetsControllerCompat
+import java.io.File
 import java.io.IOException
 import kotlin.LazyThreadSafetyMode.NONE
 import kotlin.coroutines.CoroutineContext
@@ -55,7 +56,6 @@ 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 +89,7 @@ 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 +206,7 @@ class AmneziaActivity : QtActivity() {
         registerBroadcastReceivers()
         intent?.let(::processIntent)
         runBlocking { vpnProto = proto.await() }
+        billingRepository = BillingPaymentRepository(applicationContext)
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
@@ -763,7 +765,13 @@ class AmneziaActivity : QtActivity() {
     fun openFile(filter: String?) {
         Log.v(TAG, "Open file with filter: $filter")
         mainScope.launch {
-            val intent = if (!isOnTv()) {
+            val systemPickerPackage = listOf("com.google.android.documentsui", "com.android.documentsui")
+                .firstOrNull { pkg ->
+                    try { packageManager.getPackageInfo(pkg, 0); true }
+                    catch (_: PackageManager.NameNotFoundException) { false }
+                }
+
+            val intent = if (!isOnTv() && systemPickerPackage != null) {
                 val mimeTypes = if (!filter.isNullOrEmpty()) {
                     val extensionRegex = "\\*\\.([a-z0-9]+)".toRegex(IGNORE_CASE)
                     val mime = MimeTypeMap.getSingleton()
@@ -789,6 +797,7 @@ class AmneziaActivity : QtActivity() {
                             else -> type = "*/*"
                         }
                     }
+                    `package` = systemPickerPackage
                 }
             } else {
                 Intent(this@AmneziaActivity, TvFilePicker::class.java)
@@ -800,8 +809,11 @@ class AmneziaActivity : QtActivity() {
                         if (isOnTv() && it?.hasExtra("activityNotFound") == true) {
                             showNoFileBrowserAlertDialog()
                         }
-                        val uri = it?.data?.apply {
-                            grantUriPermission(packageName, this, Intent.FLAG_GRANT_READ_URI_PERMISSION)
+                        val uri = it?.data?.let { u ->
+                            if (u.scheme == "content") {
+                                try { grantUriPermission(packageName, u, Intent.FLAG_GRANT_READ_URI_PERMISSION) } catch (_: Exception) {}
+                            }
+                            u
                         }?.toString() ?: ""
                         Log.v(TAG, "Open file: $uri")
                         if (uri.isNotEmpty()) {
@@ -841,7 +853,12 @@ class AmneziaActivity : QtActivity() {
         Log.v(TAG, "Get fd for $fileName")
         return blockingCall(Dispatchers.IO) {
             try {
-                pfd = contentResolver.openFileDescriptor(Uri.parse(fileName), "r")
+                val uri = Uri.parse(fileName)
+                pfd = if (uri.scheme == "file") {
+                    ParcelFileDescriptor.open(File(uri.path!!), ParcelFileDescriptor.MODE_READ_ONLY)
+                } else {
+                    contentResolver.openFileDescriptor(uri, "r")
+                }
                 pfd?.fd ?: -1
             } catch (e: Exception) {
                 Log.e(TAG, "Failed to get fd: $e")
@@ -983,15 +1000,9 @@ 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 +1072,10 @@ 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 +1171,59 @@ 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/src/org/amnezia/vpn/TvFilePicker.kt

@@ -1,30 +1,36 @@
 package org.amnezia.vpn
 
+import android.Manifest
+import android.app.AlertDialog
 import android.content.ActivityNotFoundException
 import android.content.Context
 import android.content.Intent
 import android.content.pm.PackageManager
+import android.net.Uri
 import android.os.Build
 import android.os.Bundle
+import android.os.Environment
 import androidx.activity.ComponentActivity
 import androidx.activity.result.contract.ActivityResultContracts
 import org.amnezia.vpn.util.Log
+import java.io.File
 
 private const val TAG = "TvFilePicker"
+private const val READ_STORAGE_REQUEST_CODE = 1001
 
 class TvFilePicker : ComponentActivity() {
 
-    private val fileChooseResultLauncher = registerForActivityResult(object : ActivityResultContracts.OpenDocument() {
+    // SAF launcher for Android 10+ where File API is blocked by scoped storage
+    private val safLauncher = registerForActivityResult(object : ActivityResultContracts.OpenDocument() {
         override fun createIntent(context: Context, input: Array<String>): Intent {
             val intent = super.createIntent(context, input)
-
-            val activitiesToResolveIntent = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            val activities = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
                 context.packageManager.queryIntentActivities(intent, PackageManager.ResolveInfoFlags.of(PackageManager.MATCH_DEFAULT_ONLY.toLong()))
             } else {
                 @Suppress("DEPRECATION")
                 context.packageManager.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY)
             }
-            if (activitiesToResolveIntent.all {
+            if (activities.all {
                     val name = it.activityInfo.packageName
                     name.startsWith("com.google.android.tv.frameworkpackagestubs") || name.startsWith("com.android.tv.frameworkpackagestubs")
                 }) {
@@ -32,38 +38,140 @@ class TvFilePicker : ComponentActivity() {
             }
             return intent
         }
-    }) {
+    }) { uri ->
         setResult(RESULT_OK, Intent().apply {
-            data = it
+            data = uri
             addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
         })
         finish()
     }
 
+    private val directoryStack = ArrayDeque<File>()
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         Log.v(TAG, "onCreate")
-        getFile()
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            launchSaf()
+        } else {
+            checkPermissionAndBrowse()
+        }
     }
 
-    override fun onNewIntent(intent: Intent) {
-        super.onNewIntent(intent)
-        Log.v(TAG, "onNewIntent")
-        getFile()
+    @Deprecated("Deprecated in Java")
+    override fun onBackPressed() {
+        navigateBack()
     }
 
-    private fun getFile() {
+    private fun launchSaf() {
         try {
-            Log.v(TAG, "getFile")
-            fileChooseResultLauncher.launch(arrayOf("*/*"))
+            safLauncher.launch(arrayOf("*/*"))
         } catch (_: ActivityNotFoundException) {
-            Log.w(TAG, "Activity not found")
+            Log.w(TAG, "No SAF activity found")
             setResult(RESULT_CANCELED, Intent().apply { putExtra("activityNotFound", true) })
             finish()
         } catch (e: Exception) {
-            Log.e(TAG, "Failed to get file: $e")
+            Log.e(TAG, "SAF launch failed: $e")
             setResult(RESULT_CANCELED)
             finish()
         }
     }
+
+    private fun checkPermissionAndBrowse() {
+        if (checkSelfPermission(Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
+            requestPermissions(arrayOf(Manifest.permission.READ_EXTERNAL_STORAGE), READ_STORAGE_REQUEST_CODE)
+        } else {
+            showRootDirectory()
+        }
+    }
+
+    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+        if (requestCode == READ_STORAGE_REQUEST_CODE &&
+            grantResults.firstOrNull() == PackageManager.PERMISSION_GRANTED) {
+            showRootDirectory()
+        } else {
+            setResult(RESULT_CANCELED)
+            finish()
+        }
+    }
+
+    private fun showRootDirectory() {
+        @Suppress("DEPRECATION")
+        val primaryExternal = Environment.getExternalStorageDirectory()
+        val storageDir = File("/storage")
+        // Pre-seed stack with /storage so Back from primary storage goes there (USB drives etc.)
+        if (storageDir.exists() && storageDir.canonicalPath != primaryExternal.canonicalPath) {
+            directoryStack.addLast(storageDir)
+        }
+        showDirectory(primaryExternal)
+    }
+
+    private fun navigateBack() {
+        if (directoryStack.size > 1) {
+            directoryStack.removeLast()
+            val parent = directoryStack.removeLast()
+            showDirectory(parent)
+        } else {
+            setResult(RESULT_CANCELED)
+            finish()
+        }
+    }
+
+    private fun showDirectory(dir: File) {
+        directoryStack.addLast(dir)
+        Log.v(TAG, "Showing directory: ${dir.absolutePath}")
+
+        val entries = try {
+            dir.listFiles()
+                ?.sortedWith(compareBy({ !it.isDirectory }, { it.name.lowercase() }))
+                ?: emptyList()
+        } catch (e: Exception) {
+            Log.e(TAG, "Failed to list directory: $e")
+            emptyList()
+        }
+
+        val names = entries.map { if (it.isDirectory) "[${it.name}]" else it.name }.toTypedArray()
+
+        val builder = AlertDialog.Builder(this)
+            .setTitle(dir.absolutePath)
+
+        if (entries.isEmpty()) {
+            builder.setMessage("No files available")
+        } else {
+            builder.setItems(names) { dialog, which ->
+                dialog.dismiss()
+                val selected = entries[which]
+                if (selected.isDirectory) {
+                    showDirectory(selected)
+                } else {
+                    Log.v(TAG, "Selected file: ${selected.absolutePath}")
+                    setResult(RESULT_OK, Intent().apply {
+                        data = Uri.fromFile(selected)
+                        addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+                    })
+                    finish()
+                }
+            }
+        }
+
+        if (directoryStack.size > 1) {
+            builder.setNegativeButton("↑ Back") { dialog, _ ->
+                dialog.dismiss()
+                navigateBack()
+            }
+        } else {
+            builder.setNegativeButton(android.R.string.cancel) { _, _ ->
+                setResult(RESULT_CANCELED)
+                finish()
+            }
+        }
+
+        builder.setOnCancelListener {
+            setResult(RESULT_CANCELED)
+            finish()
+        }
+
+        builder.show()
+    }
 }

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/3rdparty.cmake

@@ -2,7 +2,7 @@ set(CLIENT_ROOT_DIR ${CMAKE_CURRENT_LIST_DIR}/..)
 
 set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/Modules;${CMAKE_MODULE_PATH}")
 
-add_subdirectory(${CLIENT_ROOT_DIR}/3rd/SortFilterProxyModel)
+add_subdirectory(${CLIENT_ROOT_DIR}/3rd/SortFilterProxyModel ${CMAKE_BINARY_DIR}/3rd/SortFilterProxyModel)
 set(LIBS ${LIBS} SortFilterProxyModel)
 include(${CLIENT_ROOT_DIR}/cmake/QSimpleCrypto.cmake)
 
@@ -12,20 +12,24 @@ add_compile_definitions(_WINSOCKAPI_)
 
 set(BUILD_SHARED_LIBS OFF CACHE BOOL "" FORCE)
 set(BUILD_WITH_QT6 ON)
-add_subdirectory(${CLIENT_ROOT_DIR}/3rd/qtkeychain EXCLUDE_FROM_ALL)
+add_subdirectory(${CLIENT_ROOT_DIR}/3rd/qtkeychain ${CMAKE_BINARY_DIR}/3rd/qtkeychain EXCLUDE_FROM_ALL)
 
 if(ANDROID)
     # Use qtgamepad from amnezia-vpn/qtgamepad repository
     # Only if Qt6CorePrivate is available (required by qtgamepad)
     find_package(Qt6CorePrivate CONFIG QUIET)
     if(Qt6CorePrivate_FOUND)
-        add_subdirectory(${CLIENT_ROOT_DIR}/3rd/qtgamepad)
+        add_subdirectory(${CLIENT_ROOT_DIR}/3rd/qtgamepad ${CMAKE_BINARY_DIR}/3rd/qtgamepad)
         # Link both the C++ module and QML plugin
-        if(TARGET GamepadLegacy)
+        if(TARGET ${PROJECT})
             target_link_libraries(${PROJECT} PRIVATE GamepadLegacy)
+        else()
+            list(APPEND LIBS GamepadLegacy)
         endif()
-        if(TARGET GamepadLegacyQuickPrivate)
+        if(TARGET ${PROJECT})
             target_link_libraries(${PROJECT} PRIVATE GamepadLegacyQuickPrivate)
+        else()
+            list(APPEND LIBS GamepadLegacyQuickPrivate)
         endif()
         message(STATUS "Gamepad support enabled for Android")
     else()

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 +57,43 @@ 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 ${OPENVPN_PT_ANDROID_LIBCK_OVPN_PLUGIN_PATH})
+
+if(QT_USE_TARGET_ANDROID_BUILD_DIR)
+    set(_android_build_dir "${CMAKE_CURRENT_BINARY_DIR}/android-build-${PROJECT}")
+else()
+    set(_android_build_dir "${CMAKE_CURRENT_BINARY_DIR}/android-build")
+endif()
+
+add_custom_target(android_gradle_clean
+    COMMAND ./gradlew clean
+    WORKING_DIRECTORY "${_android_build_dir}"
+    COMMENT "Cleaning Android Gradle build cache"
+)
+
+# Always-available debug target: build Play Debug APK and copy to standard output path
+# so Qt Creator's deploy step picks it up automatically
+add_custom_target(android_play_debug_install
+    COMMAND ./gradlew assemblePlayDebug
+    COMMAND sh -c "cp build/outputs/apk/play/debug/*.apk build/outputs/apk/android-build-${PROJECT}-debug.apk"
+    WORKING_DIRECTORY "${_android_build_dir}"
+    COMMENT "Building Android Play Debug APK and copying to deploy path"
+    DEPENDS ${PROJECT}
+)
+
+if(ANDROID_BUILD_PLAY)
+    if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+        set(_gradle_suffix "Debug")
+    else()
+        set(_gradle_suffix "Release")
+    endif()
+    add_custom_target(android_play_apk
+        COMMAND ./gradlew assemblePlay${_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 ${CMAKE_CURRENT_SOURCE_DIR}/ios/app/Info.plist.in
     MACOSX_BUNDLE_ICON_FILE "AppIcon"
     MACOSX_BUNDLE_INFO_STRING "AmneziaVPN"
@@ -122,6 +121,11 @@ target_sources(${PROJECT} PRIVATE
     ${CLIENT_ROOT_DIR}/platforms/ios/StoreKit2Helper.swift
 )
 
+set_source_files_properties(
+    ${CMAKE_CURRENT_SOURCE_DIR}/ios/app/Media.xcassets
+    PROPERTIES MACOSX_PACKAGE_LOCATION Resources
+)
+
 target_sources(${PROJECT} PRIVATE
     ${CMAKE_CURRENT_SOURCE_DIR}/ios/app/AmneziaVPNLaunchScreen.storyboard
     ${CMAKE_CURRENT_SOURCE_DIR}/ios/app/Media.xcassets

client/cmake/macos_ne.cmake

@@ -152,5 +152,5 @@ message(${QtCore_location})
 get_filename_component(QT_BIN_DIR_DETECTED "${QtCore_location}/../../../../../bin" ABSOLUTE)
 
 add_custom_command(TARGET ${PROJECT} POST_BUILD
-    COMMAND ${QT_BIN_DIR_DETECTED}/macdeployqt $<TARGET_BUNDLE_DIR:AmneziaVPN> -appstore-compliant -qmldir=${CMAKE_CURRENT_SOURCE_DIR}
+    COMMAND ${QT_BIN_DIR_DETECTED}/macdeployqt $<TARGET_BUNDLE_DIR:AmneziaVPN> -appstore-compliant -qmldir=${CMAKE_CURRENT_SOURCE_DIR} -no-codesign
 )

client/cmake/sources.cmake

@@ -52,6 +52,7 @@ set(HEADERS ${HEADERS}
     ${CLIENT_ROOT_DIR}/core/protocols/qmlRegisterProtocols.h
     ${CLIENT_ROOT_DIR}/ui/utils/pages.h
     ${CLIENT_ROOT_DIR}/ui/utils/qAutoStart.h
+    ${CLIENT_ROOT_DIR}/ui/utils/mtProxyPublicHostInput.h
     ${CLIENT_ROOT_DIR}/core/protocols/vpnProtocol.h
     ${CMAKE_CURRENT_BINARY_DIR}/version.h
     ${CLIENT_ROOT_DIR}/core/utils/selfhosted/sshClient.h
@@ -127,6 +128,7 @@ set(SOURCES ${SOURCES}
     ${CLIENT_ROOT_DIR}/core/repositories/secureServersRepository.cpp
     ${CLIENT_ROOT_DIR}/core/repositories/secureAppSettingsRepository.cpp
     ${CLIENT_ROOT_DIR}/ui/utils/qAutoStart.cpp
+    ${CLIENT_ROOT_DIR}/ui/utils/mtProxyPublicHostInput.cpp
     ${CLIENT_ROOT_DIR}/core/protocols/vpnProtocol.cpp
     ${CLIENT_ROOT_DIR}/core/utils/selfhosted/sshClient.cpp
     ${CLIENT_ROOT_DIR}/core/utils/networkUtilities.cpp

client/core/configurators/xrayConfigurator.cpp

@@ -244,11 +244,7 @@ ErrorCode XrayConfigurator::applyServerSettingsToRemote(const ServerCredentials
                     << "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");
-    }
-
+    const QString flowValue = srv.flow;
     QString realityPublicKey;
     QString realityShortId;
     if (srv.security == QLatin1String("reality")) {
@@ -563,9 +559,12 @@ QJsonObject XrayConfigurator::buildStreamSettings(const XrayServerConfig &srv, c
         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();
+                const int fromV = pad.bytesMin.isEmpty() ? 1 : pad.bytesMin.toInt();
+                int toV = pad.bytesMax.isEmpty() ? 256 : pad.bytesMax.toInt();
+                if (toV < fromV)
+                    toV = fromV;
+                br[QStringLiteral("from")] = fromV;
+                br[QStringLiteral("to")] = toV;
                 xo[QStringLiteral("xPaddingBytes")] = br;
             }
             xo[QStringLiteral("xPaddingKey")] = pad.key.isEmpty() ? QStringLiteral("x_padding") : pad.key;

client/core/controllers/api/newsController.cpp

@@ -78,7 +78,8 @@ QFuture<QPair<ErrorCode, QJsonArray>> NewsController::fetchNews()
             m_appSettingsRepository->getGatewayEndpoint(),
             m_appSettingsRepository->isDevGatewayEnv(),
             apiDefs::requestTimeoutMsecs,
-            m_appSettingsRepository->isStrictKillSwitchEnabled());
+            m_appSettingsRepository->isStrictKillSwitchEnabled(),
+            m_appSettingsRepository);
 
     QJsonObject payload;
     payload.insert("locale", m_appSettingsRepository->getAppLanguage().name().split("_").first());

client/core/controllers/api/servicesCatalogController.cpp

@@ -220,6 +220,8 @@ ErrorCode ServicesCatalogController::fillAvailableServices(QJsonObject &services
 
     QByteArray responseBody;
     ErrorCode errorCode = executeRequest(QString("%1v1/services"), apiPayload, responseBody);
+    qWarning() << "[ServicesCatalog] errorCode:" << static_cast<int>(errorCode)
+               << "response:" << QString::fromLocal8Bit(responseBody);
     if (errorCode == ErrorCode::NoError) {
         if (!responseBody.contains(apiDefs::key::services.data())) {
             errorCode = ErrorCode::ApiServicesMissingError;
@@ -241,8 +243,11 @@ ErrorCode ServicesCatalogController::fillAvailableServices(QJsonObject &services
 
 ErrorCode ServicesCatalogController::executeRequest(const QString &endpoint, const QJsonObject &apiPayload, QByteArray &responseBody)
 {
-    GatewayController gatewayController(m_appSettingsRepository->getGatewayEndpoint(), m_appSettingsRepository->isDevGatewayEnv(), apiDefs::requestTimeoutMsecs,
-                                        m_appSettingsRepository->isStrictKillSwitchEnabled());
+    QString gatewayEndpoint = m_appSettingsRepository->getGatewayEndpoint();
+    qWarning() << "[ServicesCatalog] request URL:" << endpoint.arg(gatewayEndpoint)
+              << "isDevEnv:" << m_appSettingsRepository->isDevGatewayEnv();
+    GatewayController gatewayController(gatewayEndpoint, m_appSettingsRepository->isDevGatewayEnv(), apiDefs::requestTimeoutMsecs,
+                                        m_appSettingsRepository->isStrictKillSwitchEnabled(), m_appSettingsRepository);
     return gatewayController.post(endpoint, apiPayload, responseBody);
 }
 

client/core/controllers/api/subscriptionController.cpp

@@ -33,6 +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;
@@ -95,6 +98,9 @@ QJsonObject SubscriptionController::GatewayRequestData::toJsonObject() const
     if (!authData.isEmpty()) {
         obj[apiDefs::key::authData] = authData;
     }
+    if (!transactionId.isEmpty()) {
+        obj[apiDefs::key::transactionId] = transactionId;
+    }
     return obj;
 }
 
@@ -121,7 +127,7 @@ void SubscriptionController::appendProtocolDataToApiPayload(const QString &proto
     }
 }
 
-ErrorCode SubscriptionController::extractServerConfigJsonFromResponse(const QByteArray &apiResponseBody, const QString &protocol, 
+ErrorCode SubscriptionController::extractServerConfigJsonFromResponse(const QByteArray &apiResponseBody, const QString &protocol,
                                                                         const ProtocolData &protocolData, QJsonObject &serverConfigJson)
 {
     QString data = QJsonDocument::fromJson(apiResponseBody).object().value(configKey::config).toString();
@@ -186,16 +192,16 @@ ErrorCode SubscriptionController::extractServerConfigJsonFromResponse(const QByt
     return ErrorCode::NoError;
 }
 
-void SubscriptionController::updateApiConfigInJson(QJsonObject &serverConfigJson, const QString &serviceType, 
+void SubscriptionController::updateApiConfigInJson(QJsonObject &serverConfigJson, const QString &serviceType,
                                                     const QString &serviceProtocol, const QString &userCountryCode,
                                                     const QByteArray &apiResponseBody)
 {
     QJsonObject apiConfig = serverConfigJson.value(apiDefs::key::apiConfig).toObject();
-    
+
     apiConfig[apiDefs::key::serviceType] = serviceType;
     apiConfig[apiDefs::key::serviceProtocol] = serviceProtocol;
     apiConfig[apiDefs::key::userCountryCode] = userCountryCode;
-    
+
     if (serverConfigJson.value(configKey::configVersion).toInt() == serverConfigUtils::ConfigSource::AmneziaGateway) {
         QJsonObject responseObj = QJsonDocument::fromJson(apiResponseBody).object();
         if (responseObj.contains(apiDefs::key::supportedProtocols)) {
@@ -205,17 +211,37 @@ void SubscriptionController::updateApiConfigInJson(QJsonObject &serverConfigJson
             apiConfig.insert(apiDefs::key::serviceInfo, responseObj.value(apiDefs::key::serviceInfo).toObject());
         }
     }
-    
+
     serverConfigJson[apiDefs::key::apiConfig] = apiConfig;
 }
 
 ErrorCode SubscriptionController::executeRequest(const QString &endpoint, const QJsonObject &apiPayload, QByteArray &responseBody, bool isTestPurchase)
 {
     GatewayController gatewayController(m_appSettingsRepository->getGatewayEndpoint(isTestPurchase), m_appSettingsRepository->isDevGatewayEnv(isTestPurchase), apiDefs::requestTimeoutMsecs,
-                                        m_appSettingsRepository->isStrictKillSwitchEnabled());
+                                        m_appSettingsRepository->isStrictKillSwitchEnabled(), m_appSettingsRepository);
     return gatewayController.post(endpoint, apiPayload, responseBody);
 }
 
+ErrorCode SubscriptionController::getSubscriptionInfo(const QString &userCountryCode, const QString &serviceType,
+                                                       const QString &serviceProtocol, const QString &purchaseToken,
+                                                       QByteArray &responseBody)
+{
+    GatewayRequestData gatewayRequestData { QSysInfo::productType(),
+                                            QString(APP_VERSION),
+                                            m_appSettingsRepository->getAppLanguage().name().split("_").first(),
+                                            m_appSettingsRepository->getInstallationUuid(true),
+                                            userCountryCode,
+                                            "",
+                                            serviceType,
+                                            serviceProtocol,
+                                            QJsonObject(),
+                                            purchaseToken };
+
+    QJsonObject apiPayload = gatewayRequestData.toJsonObject();
+    qWarning() << "[Billing][getSubscriptionInfo] request:" << QJsonDocument(apiPayload).toJson(QJsonDocument::Compact);
+    return executeRequest(QString("%1v1/get_subscription_info"), apiPayload, responseBody, false);
+}
+
 ErrorCode SubscriptionController::importServiceFromGateway(const QString &userCountryCode, const QString &serviceType,
                                                             const QString &serviceProtocol, const ProtocolData &protocolData,
                                                             CaptchaInfo &captchaInfo)
@@ -327,10 +353,10 @@ 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)
+                                                            int *duplicateServerIndex, const QString &endpoint)
 {
     GatewayRequestData gatewayRequestData { QSysInfo::productType(),
                                             QString(APP_VERSION),
@@ -340,14 +366,16 @@ ErrorCode SubscriptionController::importServiceFromAppStore(const QString &userC
                                             "",
                                             serviceType,
                                             serviceProtocol,
-                                            QJsonObject() };
+                                            QJsonObject(),
+                                            transactionId};
 
     QJsonObject apiPayload = gatewayRequestData.toJsonObject();
     appendProtocolDataToApiPayload(serviceProtocol, protocolData, apiPayload);
-    apiPayload[apiDefs::key::transactionId] = transactionId;
 
     QByteArray responseBody;
-    ErrorCode errorCode = executeRequest(QString("%1v1/subscriptions"), apiPayload, responseBody, isTestPurchase);
+    qWarning() << "[Billing][importServiceFromMarket] endpoint:" << endpoint << "isTestPurchase:" << isTestPurchase;
+    ErrorCode errorCode = executeRequest(QString("%1") + endpoint, apiPayload, responseBody, isTestPurchase);
+    qWarning() << "[Billing][importServiceFromMarket] errorCode:" << static_cast<int>(errorCode) << "response:" << responseBody;
     if (errorCode != ErrorCode::NoError) {
         return errorCode;
     }
@@ -391,7 +419,7 @@ ErrorCode SubscriptionController::importServiceFromAppStore(const QString &userC
     QJsonObject configObject = QJsonDocument::fromJson(configString).object();
 
     quint16 crc = qChecksum(QJsonDocument(configObject).toJson());
-    
+
     if (configObject.value(configKey::configVersion).toInt() != serverConfigUtils::ConfigSource::AmneziaGateway) {
         return ErrorCode::InternalError;
     }
@@ -419,7 +447,7 @@ ErrorCode SubscriptionController::updateServiceFromGateway(const QString &server
     const bool isTestPurchase = apiV2->apiConfig.isTestPurchase;
     QString serviceProtocol = apiV2->serviceProtocol();
     ProtocolData protocolData = generateProtocolData(serviceProtocol);
-    
+
     QJsonObject authDataJson = apiV2->authData.toJson();
     GatewayRequestData gatewayRequestData { QSysInfo::productType(),
                                             QString(APP_VERSION),
@@ -455,24 +483,24 @@ ErrorCode SubscriptionController::updateServiceFromGateway(const QString &server
     if (errorCode != ErrorCode::NoError) {
         return errorCode;
     }
-    
+
     updateApiConfigInJson(serverConfigJson, apiV2->apiConfig.serviceType, serviceProtocol, apiV2->apiConfig.userCountryCode, responseBody);
-    
+
     if (serverConfigJson.value(configKey::configVersion).toInt() != serverConfigUtils::ConfigSource::AmneziaGateway) {
         return ErrorCode::InternalError;
     }
 
     ApiV2ServerConfig newApiV2Config = ApiV2ServerConfig::fromJson(serverConfigJson);
     ApiV2ServerConfig* newApiV2 = &newApiV2Config;
-    
+
     newApiV2->apiConfig.vpnKey = apiV2->apiConfig.vpnKey;
     newApiV2->apiConfig.isTestPurchase = apiV2->apiConfig.isTestPurchase;
     newApiV2->apiConfig.isInAppPurchase = apiV2->apiConfig.isInAppPurchase;
     newApiV2->apiConfig.subscriptionExpiredByServer = false;
-    
+
     newApiV2->authData = apiV2->authData;
     newApiV2->crc = apiV2->crc;
-    
+
     if (apiV2->nameOverriddenByUser) {
         newApiV2->name = apiV2->name;
         newApiV2->displayName = apiV2->displayName;
@@ -490,7 +518,7 @@ ErrorCode SubscriptionController::deactivateDevice(const QString &serverId)
     if (!apiV2.has_value()) {
         return ErrorCode::NoError;
     }
-    
+
     if (!apiV2->isPremium() && !apiV2->isExternalPremium()) {
         return ErrorCode::NoError;
     }
@@ -527,7 +555,7 @@ ErrorCode SubscriptionController::deactivateExternalDevice(const QString &server
     if (!apiV2.has_value()) {
         return ErrorCode::NoError;
     }
-    
+
     if (!apiV2->isPremium() && !apiV2->isExternalPremium()) {
         return ErrorCode::NoError;
     }
@@ -723,7 +751,7 @@ bool SubscriptionController::isApiKeyExpired(const QString &serverId) const
         return false;
     }
     const QString expiresAt = apiV2->apiConfig.publicKey.expiresAt;
-    
+
     if (expiresAt.isEmpty()) {
         return false;
     }
@@ -732,7 +760,7 @@ bool SubscriptionController::isApiKeyExpired(const QString &serverId) const
     if (expiresAtDateTime < QDateTime::currentDateTimeUtc()) {
         return true;
     }
-    
+
     return false;
 }
 
@@ -786,8 +814,123 @@ ErrorCode SubscriptionController::processAppStorePurchase(const QString &userCou
     bool isTestPurchase = IosController::Instance()->isTestFlight();
 
     ProtocolData protocolData = generateProtocolData(serviceProtocol);
-    return importServiceFromAppStore(userCountryCode, serviceType, serviceProtocol, protocolData,
-                                     originalTransactionId, isTestPurchase, duplicateServerIndex);
+    return importServiceFromMarket(userCountryCode, serviceType, serviceProtocol, protocolData,
+                                     originalTransactionId, isTestPurchase, duplicateServerIndex,
+                                     QStringLiteral("v1/subscriptions"));
+#else
+    Q_UNUSED(userCountryCode);
+    Q_UNUSED(serviceType);
+    Q_UNUSED(serviceProtocol);
+    Q_UNUSED(productId);
+    return ErrorCode::ApiPurchaseError;
+#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();
+            QJsonArray offers = product.value("offers").toArray();
+            for (const QJsonValue &offerValue : offers) {
+                QJsonObject offer = offerValue.toObject();
+                if (offer.value("basePlanId").toString() == productId) {
+                    offerToken = offer.value("offerToken").toString();
+                    qInfo() << "[Billing] Found offer token for basePlanId:" << productId;
+                    break;
+                }
+            }
+            if (!offerToken.isEmpty()) break;
+        }
+        if (offerToken.isEmpty()) {
+            qWarning() << "[Billing] No offer token found for basePlanId:" << 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();
+        int purchaseState = purchase.value("purchaseState").toInt(-1);
+        qInfo() << "[Billing] Purchase success. purchaseToken:" << token << "isAcknowledged:" << isAcknowledged << "purchaseState:" << purchaseState;
+        // purchaseState 1 = PURCHASED, 0 = PENDING (user must confirm payment in Google Play)
+        if (purchaseState != 1) {
+            qWarning() << "[Billing] Purchase is in PENDING state, waiting for user to confirm payment";
+            return qMakePair(false, QStringLiteral("pending"));
+        }
+        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) {
+        if (purchaseToken == QStringLiteral("pending")) {
+            return ErrorCode::ApiPurchasePendingError;
+        }
+        return ErrorCode::ApiPurchaseError;
+    }
+    if (purchaseToken.isEmpty()) {
+        return ErrorCode::ApiPurchaseError;
+    }
+
+    // First call: determine if this is a test purchase
+    QByteArray checkResponse;
+    ErrorCode checkError = getSubscriptionInfo(userCountryCode, serviceType, serviceProtocol, purchaseToken, checkResponse);
+    qWarning() << "[Billing][processPlayMarketPurchase] getSubscriptionInfo errorCode:" << static_cast<int>(checkError) << "response:" << checkResponse;
+    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,
+                                     QStringLiteral("v1/subscriptions"));
 #else
     Q_UNUSED(userCountryCode);
     Q_UNUSED(serviceType);
@@ -808,6 +951,9 @@ SubscriptionController::AppStoreRestoreResult SubscriptionController::processApp
     QString restoreError;
     QEventLoop waitRestore;
 
+    qInfo().noquote() << "[IAP][processAppStoreRestore] Starting restore. userCountryCode=" << userCountryCode
+                      << "serviceType=" << serviceType << "serviceProtocol=" << serviceProtocol;
+
     IosController::Instance()->restorePurchases([&](bool success, const QList<QVariantMap> &transactions, const QString &errorString) {
         restoreSuccess = success;
         restoredTransactions = transactions;
@@ -816,6 +962,10 @@ SubscriptionController::AppStoreRestoreResult SubscriptionController::processApp
     });
     waitRestore.exec();
 
+    qInfo().noquote() << "[IAP][processAppStoreRestore] restorePurchases result: success=" << restoreSuccess
+                      << "transactions count=" << restoredTransactions.size()
+                      << "error=" << restoreError;
+
     if (!restoreSuccess) {
         qWarning().noquote() << "[IAP] Restore failed:" << restoreError;
         result.errorCode = ErrorCode::ApiPurchaseError;
@@ -829,6 +979,7 @@ SubscriptionController::AppStoreRestoreResult SubscriptionController::processApp
     }
 
     bool isTestPurchase = IosController::Instance()->isTestFlight();
+    qInfo().noquote() << "[IAP][processAppStoreRestore] isTestFlight=" << isTestPurchase;
     QSet<QString> processedTransactions;
 
     for (const QVariantMap &transaction : restoredTransactions) {
@@ -836,6 +987,9 @@ SubscriptionController::AppStoreRestoreResult SubscriptionController::processApp
         const QString transactionId = transaction.value(QStringLiteral("transactionId")).toString();
         const QString transactionProductId = transaction.value(QStringLiteral("productId")).toString();
 
+        qInfo().noquote() << "[IAP][processAppStoreRestore] Processing transaction: transactionId=" << transactionId
+                          << "originalTransactionId=" << originalTransactionId << "productId=" << transactionProductId;
+
         if (originalTransactionId.isEmpty()) {
             qWarning().noquote() << "[IAP] Skipping restored transaction without originalTransactionId" << transactionId;
             continue;
@@ -843,6 +997,7 @@ SubscriptionController::AppStoreRestoreResult SubscriptionController::processApp
 
         if (processedTransactions.contains(originalTransactionId)) {
             result.duplicateCount++;
+            qInfo().noquote() << "[IAP][processAppStoreRestore] Skipping duplicate originalTransactionId=" << originalTransactionId;
             continue;
         }
         processedTransactions.insert(originalTransactionId);
@@ -852,9 +1007,13 @@ 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);
+                                                        &currentDuplicateServerIndex,
+                                                        QStringLiteral("v1/restore_subscription"));
+
+        qInfo().noquote() << "[IAP][processAppStoreRestore] importServiceFromMarket errorCode=" << static_cast<int>(errorCode)
+                          << "for originalTransactionId=" << originalTransactionId;
 
         if (errorCode == ErrorCode::ApiConfigAlreadyAdded) {
             result.duplicateConfigAlreadyPresent = true;
@@ -864,7 +1023,8 @@ SubscriptionController::AppStoreRestoreResult SubscriptionController::processApp
             qInfo().noquote() << "[IAP] Skipping restored transaction" << originalTransactionId
                               << "because subscription config with the same vpn_key already exists";
         } else if (errorCode != ErrorCode::NoError) {
-            qWarning().noquote() << "[IAP] Failed to process restored subscription response for transaction" << originalTransactionId;
+            qWarning().noquote() << "[IAP] Failed to process restored subscription response for transaction" << originalTransactionId
+                                 << "errorCode=" << static_cast<int>(errorCode);
             result.errorCode = errorCode;
         } else {
             result.hasInstalledConfig = true;
@@ -875,6 +1035,132 @@ SubscriptionController::AppStoreRestoreResult SubscriptionController::processApp
         result.errorCode = result.duplicateConfigAlreadyPresent ? ErrorCode::ApiConfigAlreadyAdded : ErrorCode::ApiPurchaseError;
     }
 
+    qInfo().noquote() << "[IAP][processAppStoreRestore] Done. hasInstalledConfig=" << result.hasInstalledConfig
+                      << "duplicateConfigAlreadyPresent=" << result.duplicateConfigAlreadyPresent
+                      << "duplicateCount=" << result.duplicateCount
+                      << "errorCode=" << static_cast<int>(result.errorCode);
+
+    return result;
+#else
+    Q_UNUSED(userCountryCode);
+    Q_UNUSED(serviceType);
+    Q_UNUSED(serviceProtocol);
+    result.errorCode = ErrorCode::ApiPurchaseError;
+    return result;
+#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";
+            }
+        }
+
+        QByteArray checkResponse;
+        ErrorCode checkError = getSubscriptionInfo(userCountryCode, serviceType, serviceProtocol, purchaseToken, checkResponse);
+        qWarning() << "[Billing][processPlayMarketRestore] getSubscriptionInfo errorCode:" << static_cast<int>(checkError) << "response:" << checkResponse;
+        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,
+                                                        QStringLiteral("v1/restore_subscription"));
+
+        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
+                                 << "errorCode =" << static_cast<int>(errorCode);
+            result.errorCode = errorCode;
+        } else {
+            result.hasInstalledConfig = true;
+        }
+    }
+
+    if (!result.hasInstalledConfig) {
+        result.errorCode = result.duplicateConfigAlreadyPresent ? ErrorCode::ApiConfigAlreadyAdded : ErrorCode::ApiNoPurchasesToRestore;
+    }
+
     return result;
 #else
     Q_UNUSED(userCountryCode);
@@ -887,12 +1173,14 @@ SubscriptionController::AppStoreRestoreResult SubscriptionController::processApp
 
 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),
@@ -949,7 +1237,8 @@ QFuture<QPair<ErrorCode, QString>> SubscriptionController::getRenewalLink(const
     auto gatewayController = QSharedPointer<GatewayController>::create(m_appSettingsRepository->getGatewayEndpoint(isTestPurchase),
                                                                        m_appSettingsRepository->isDevGatewayEnv(isTestPurchase),
                                                                        apiDefs::requestTimeoutMsecs,
-                                                                       m_appSettingsRepository->isStrictKillSwitchEnabled());
+                                                                       m_appSettingsRepository->isStrictKillSwitchEnabled(),
+                                                                       m_appSettingsRepository);
     auto postFuture = gatewayController->postAsync(QString("%1v1/renewal_link"), apiPayload);
     auto *watcher = new QFutureWatcher<QPair<ErrorCode, QByteArray>>();
     QObject::connect(watcher, &QFutureWatcher<QPair<ErrorCode, QByteArray>>::finished,

client/core/controllers/api/subscriptionController.h

@@ -38,6 +38,7 @@ public:
         QString serviceType;
         QString serviceProtocol;
         QJsonObject authData;
+        QString transactionId;
 
         QJsonObject toJsonObject() const;
     };
@@ -61,10 +62,15 @@ public:
     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);
+                                        int *duplicateServerIndex,
+                                        const QString &endpoint);
+
+    ErrorCode getSubscriptionInfo(const QString &userCountryCode, const QString &serviceType,
+                                  const QString &serviceProtocol, const QString &purchaseToken,
+                                  QByteArray &responseBody);
 
     ErrorCode updateServiceFromGateway(const QString &serverId, const QString &newCountryCode, bool isConnectEvent);
 
@@ -99,10 +105,23 @@ 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);
 
@@ -111,6 +130,9 @@ public:
                                           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

@@ -49,14 +49,96 @@ void ConnectionController::setConnectionState(Vpn::ConnectionState state)
     }
 }
 
-ErrorCode ConnectionController::prepareConnection(const QString &serverId,
-                                                 QJsonObject& vpnConfiguration,
-                                                 DockerContainer& container)
+ErrorCode ConnectionController::defaultContainerForServer(const QString &serverId, DockerContainer &container) const
 {
+    const auto kind = m_serversRepository->serverKind(serverId);
+    switch (kind) {
+    case serverConfigUtils::ConfigType::SelfHostedAdmin: {
+        const auto cfg = m_serversRepository->selfHostedAdminConfig(serverId);
+        if (!cfg.has_value()) {
+            return ErrorCode::InternalError;
+        }
+        container = cfg->defaultContainer;
+        return ErrorCode::NoError;
+    }
+    case serverConfigUtils::ConfigType::SelfHostedUser: {
+        const auto cfg = m_serversRepository->selfHostedUserConfig(serverId);
+        if (!cfg.has_value()) {
+            return ErrorCode::InternalError;
+        }
+        container = cfg->defaultContainer;
+        return ErrorCode::NoError;
+    }
+    case serverConfigUtils::ConfigType::Native: {
+        const auto cfg = m_serversRepository->nativeConfig(serverId);
+        if (!cfg.has_value()) {
+            return ErrorCode::InternalError;
+        }
+        container = cfg->defaultContainer;
+        return ErrorCode::NoError;
+    }
+    case serverConfigUtils::ConfigType::AmneziaPremiumV2:
+    case serverConfigUtils::ConfigType::AmneziaFreeV3:
+    case serverConfigUtils::ConfigType::ExternalPremium: {
+        const auto cfg = m_serversRepository->apiV2Config(serverId);
+        if (!cfg.has_value()) {
+            return ErrorCode::InternalError;
+        }
+        container = cfg->defaultContainer;
+        return ErrorCode::NoError;
+    }
+    case serverConfigUtils::ConfigType::AmneziaPremiumV1:
+    case serverConfigUtils::ConfigType::AmneziaFreeV2:
+        return ErrorCode::LegacyApiV1NotSupportedError;
+    case serverConfigUtils::ConfigType::Invalid:
+    default:
+        return ErrorCode::InternalError;
+    }
+}
+
+ErrorCode ConnectionController::isConnectionSupported(const QString &serverId) const
+{
+    if (serverId.isEmpty()) {
+        return ErrorCode::InternalError;
+    }
+
     if (!isServiceReady()) {
         return ErrorCode::AmneziaServiceNotRunning;
     }
 
+    const serverConfigUtils::ConfigType kind = m_serversRepository->serverKind(serverId);
+    if (serverConfigUtils::isLegacyApiSubscription(kind)) {
+        return ErrorCode::LegacyApiV1NotSupportedError;
+    }
+
+    DockerContainer container = DockerContainer::None;
+    const ErrorCode errorCode = defaultContainerForServer(serverId, container);
+    if (errorCode != ErrorCode::NoError) {
+        return errorCode;
+    }
+
+    if (container == DockerContainer::None) {
+        if (serverConfigUtils::isApiV2Subscription(kind)) {
+            return ErrorCode::NoError;
+        }
+        return ErrorCode::NoInstalledContainersError;
+    }
+
+    if (ContainerUtils::isUnsupportedContainer(container)) {
+        return ErrorCode::LegacyContainerNotSupportedError;
+    }
+
+    if (!isContainerSupported(container)) {
+        return ErrorCode::NotSupportedOnThisPlatform;
+    }
+
+    return ErrorCode::NoError;
+}
+
+ErrorCode ConnectionController::prepareConnection(const QString &serverId,
+                                                 QJsonObject& vpnConfiguration,
+                                                 DockerContainer& container)
+{
     ContainerConfig containerConfigModel;
     QPair<QString, QString> dns;
     QString hostName;
@@ -120,10 +202,6 @@ ErrorCode ConnectionController::prepareConnection(const QString &serverId,
         return ErrorCode::InternalError;
     }
 
-    if (!isContainerSupported(container)) {
-        return ErrorCode::NotSupportedOnThisPlatform;
-    }
-
     vpnConfiguration = createConnectionConfiguration(dns, isApiConfig, hostName, description, configVersion,
                                                      containerConfigModel, container);
 

client/core/controllers/connectionController.h

@@ -34,6 +34,8 @@ public:
                                QJsonObject& vpnConfiguration,
                                DockerContainer& container);
 
+    ErrorCode isConnectionSupported(const QString &serverId) const;
+
     ErrorCode openConnection(const QString &serverId);
 
     void closeConnection();
@@ -73,6 +75,8 @@ signals:
 #endif
 
 private:
+    ErrorCode defaultContainerForServer(const QString &serverId, DockerContainer &container) const;
+
     SecureServersRepository* m_serversRepository;
     SecureAppSettingsRepository* m_appSettingsRepository;
     VpnConnection* m_vpnConnection;

client/core/controllers/coreController.cpp

@@ -22,7 +22,8 @@
 #endif
 
 CoreController::CoreController(const QSharedPointer<VpnConnection> &vpnConnection, SecureQSettings* settings,
-                               QQmlApplicationEngine *engine, QObject *parent)
+                               QQmlApplicationEngine *engine, QObject *parent,
+                               bool skipPlatformControllerInit)
     : QObject(parent), m_vpnConnection(vpnConnection), m_settings(settings), m_engine(engine)
 {
     initRepositories();
@@ -31,8 +32,10 @@ CoreController::CoreController(const QSharedPointer<VpnConnection> &vpnConnectio
     initControllers();
     initSignalHandlers();
 
-    initAndroidController();
-    initAppleController();
+    if (!skipPlatformControllerInit) {
+        initAndroidController();
+        initAppleController();
+    }
     initLogging();
 
     m_translator = new QTranslator(this);
@@ -191,7 +194,7 @@ void CoreController::initControllers()
     m_languageUiController = new LanguageUiController(m_settingsController, m_languageModel, this);
     setQmlContextProperty("LanguageUiController", m_languageUiController);
 
-    m_settingsUiController = new SettingsUiController(m_settingsController, m_serversController, m_languageUiController, this);
+    m_settingsUiController = new SettingsUiController(m_settingsController, m_serversController, this);
     setQmlContextProperty("SettingsController", m_settingsUiController);
 
     m_pageController = new PageController(m_serversController, m_settingsController, this);

client/core/controllers/coreController.h

@@ -90,7 +90,8 @@ class CoreController : public QObject
 
 public:
     explicit CoreController(const QSharedPointer<VpnConnection> &vpnConnection, SecureQSettings* settings,
-                            QQmlApplicationEngine *engine, QObject *parent = nullptr);
+                            QQmlApplicationEngine *engine, QObject *parent = nullptr,
+                            bool skipPlatformControllerInit = false);
 
     PageController* pageController() const;
     void setQmlRoot();
@@ -114,7 +115,7 @@ protected:
     AppSplitTunnelingModel* appSplitTunnelingModelProtected() const { return m_appSplitTunnelingModel; }
     IpSplitTunnelingModel* ipSplitTunnelingModelProtected() const { return m_ipSplitTunnelingModel; }
     LanguageModel* languageModelProtected() const { return m_languageModel; }
-
+    ConnectionUiController* connectionUiControllerProtected() const { return m_connectionUiController; }
     InstallUiController* installUiControllerProtected() const { return m_installUiController; }
     ImportController* importCoreControllerProtected() const { return m_importCoreController; }
     ExportController* exportControllerProtected() const { return m_exportController; }

client/core/controllers/coreSignalHandlers.cpp

@@ -1,6 +1,7 @@
 #include "coreSignalHandlers.h"
 
 #include <QTimer>
+#include <QtConcurrent>
 
 #include "core/utils/selfhosted/sshSession.h"
 #include "core/utils/errorCodes.h"
@@ -33,7 +34,6 @@
 #include "core/controllers/connectionController.h"
 #include "ui/models/clientManagementModel.h"
 #include "ui/controllers/api/apiNewsUiController.h"
-#include "ui/models/api/apiCountryModel.h"
 #include "ui/models/containersModel.h"
 #include "core/utils/containerEnum.h"
 
@@ -145,7 +145,9 @@ void CoreSignalHandlers::initExportControllerHandler()
             });
     connect(m_coreController->m_exportController, &ExportController::revokeClientRequested, this,
             [this](const QString &serverId, int row, DockerContainer container) {
-                m_coreController->m_usersController->revokeClient(serverId, row, container);
+                QtConcurrent::run([this, serverId, row, container]() {
+                    m_coreController->m_usersController->revokeClient(serverId, row, container);
+                });
             });
     connect(m_coreController->m_exportController, &ExportController::renameClientRequested, this,
             [this](const QString &serverId, int row, const QString &clientName, DockerContainer container) {
@@ -156,15 +158,17 @@ void CoreSignalHandlers::initExportControllerHandler()
 void CoreSignalHandlers::initImportControllerHandler()
 {
     connect(m_coreController->m_importCoreController, &ImportController::importFinished, this, [this]() {
-        if (!m_coreController->m_connectionController->isConnected()) {
-            int newServerIndex = m_coreController->m_serversController->getServersCount() - 1;
-            const QString serverId = m_coreController->m_serversController->getServerId(newServerIndex);
-            if (!serverId.isEmpty()) {
-                m_coreController->m_serversController->setDefaultServer(serverId);
-            }
-            if (m_coreController->m_serversUiController) {
-                m_coreController->m_serversUiController->setProcessedServerId(serverId);
-            }
+        if (m_coreController->m_connectionUiController->isConnected()) {
+            return;
+        }
+
+        const int newServerIndex = m_coreController->m_serversController->getServersCount() - 1;
+        const QString serverId = m_coreController->m_serversController->getServerId(newServerIndex);
+        if (!serverId.isEmpty()) {
+            m_coreController->m_serversController->setDefaultServer(serverId);
+        }
+        if (m_coreController->m_serversUiController) {
+            m_coreController->m_serversUiController->setProcessedServerId(serverId);
         }
     });
 }
@@ -176,17 +180,14 @@ void CoreSignalHandlers::initApiCountryModelUpdateHandler()
         if (processedServerId.isEmpty()) {
             return;
         }
-        
-        QJsonArray availableCountries;
-        QString serverCountryCode;
 
         const auto apiV2 = m_coreController->m_serversRepository->apiV2Config(processedServerId);
-        if (apiV2.has_value()) {
-            availableCountries = apiV2->apiConfig.availableCountries;
-            serverCountryCode = apiV2->apiConfig.serverCountryCode;
+        if (!apiV2.has_value()) {
+            return;
         }
-        
-        m_coreController->m_apiCountryModel->updateModel(availableCountries, serverCountryCode);
+
+        m_coreController->m_apiCountryModel->updateModel(apiV2->apiConfig.availableCountries,
+                                                           apiV2->apiConfig.serverCountryCode);
     });
 }
 
@@ -204,13 +205,15 @@ void CoreSignalHandlers::initAdminConfigRevokedHandler()
 {
     connect(m_coreController->m_installController, &InstallController::clientRevocationRequested, this,
             [this](const QString &serverId, const ContainerConfig &containerConfig, DockerContainer container) {
-                m_coreController->m_usersController->revokeClient(serverId, containerConfig, container);
+                QtConcurrent::run([this, serverId, containerConfig, container]() {
+                    m_coreController->m_usersController->revokeClient(serverId, containerConfig, container);
+                });
             });
 
     connect(m_coreController->m_installController, &InstallController::clientAppendRequested, this,
             [this](const QString &serverId, const QString &clientId, const QString &clientName, DockerContainer container) {
                 m_coreController->m_usersController->appendClient(serverId, clientId, clientName, container);
-            });
+            }, Qt::DirectConnection);
 
     connect(m_coreController->m_usersController, &UsersController::adminConfigRevoked, m_coreController->m_installController,
             &InstallController::clearCachedProfile);
@@ -237,13 +240,16 @@ void CoreSignalHandlers::initLanguageHandler()
     connect(m_coreController->m_settingsUiController, &SettingsUiController::resetLanguageToSystem, m_coreController->m_languageUiController, [this]() {
         m_coreController->m_languageUiController->changeLanguage(m_coreController->m_languageUiController->getSystemLanguageEnum());
     });
+    connect(m_coreController->m_settingsUiController, &SettingsUiController::appLanguageChanged, m_coreController->m_languageUiController, [this]() {
+        m_coreController->m_languageUiController->onAppLanguageChanged(m_coreController->m_settingsController->getAppLanguage());
+    });
 }
 
 void CoreSignalHandlers::initAutoConnectHandler()
 {
     if (m_coreController->m_settingsUiController->isAutoConnectEnabled()
         && !m_coreController->m_serversController->getDefaultServerId().isEmpty()) {
-        QTimer::singleShot(1000, this, [this]() { m_coreController->m_connectionUiController->openConnection(); });
+        QTimer::singleShot(1000, this, [this]() { m_coreController->m_connectionUiController->toggleConnection(); });
     }
 }
 
@@ -284,6 +290,8 @@ void CoreSignalHandlers::initClientManagementModelUpdateHandler()
             m_coreController->m_clientManagementModel, &ClientManagementModel::updateModel);
     connect(m_coreController->m_usersController, &UsersController::clientRenamed,
             m_coreController->m_clientManagementModel, &ClientManagementModel::updateClientName);
+    connect(m_coreController->m_usersController, &UsersController::revokeFinished,
+            m_coreController->m_exportController, &ExportController::revokeFinished);
 }
 
 void CoreSignalHandlers::initSitesModelUpdateHandler()
@@ -348,6 +356,9 @@ void CoreSignalHandlers::initUnsupportedConnectDrawerHandler()
 {
     connect(m_coreController->m_subscriptionUiController, &SubscriptionUiController::unsupportedConnectDrawerRequested,
             m_coreController->m_pageController, &PageController::unsupportedConnectDrawerRequested);
+
+    connect(m_coreController->m_connectionUiController, &ConnectionUiController::unsupportedConnectDrawerRequested,
+            m_coreController->m_pageController, &PageController::unsupportedConnectDrawerRequested);
 }
 
 void CoreSignalHandlers::initStrictKillSwitchHandler()

client/core/controllers/gatewayController.cpp

@@ -16,6 +16,7 @@
 #include "QRsa.h"
 
 #include "amneziaApplication.h"
+#include "core/repositories/secureAppSettingsRepository.h"
 #include "core/utils/api/apiUtils.h"
 #include "core/utils/constants/apiKeys.h"
 #include "core/utils/networkUtilities.h"
@@ -45,15 +46,78 @@ namespace
     constexpr QLatin1String unprocessableSubscriptionMessage("Failed to retrieve subscription information. Is it activated?");
 
     constexpr int proxyStorageRequestTimeoutMsecs = 3000;
+
+    QStringList shuffledProxyUrls(const QStringList &proxyUrls)
+    {
+        QStringList shuffled = proxyUrls;
+        std::random_device randomDevice;
+        std::mt19937 generator(randomDevice());
+        std::shuffle(shuffled.begin(), shuffled.end(), generator);
+        return shuffled;
+    }
+
+    QString getProxyUrlsCacheKey(const QString &serviceType, const QString &userCountryCode)
+    {
+        return QStringLiteral("service_%1_country_%2").arg(serviceType, userCountryCode);
+    }
+
+    bool decryptProxyUrlsPayload(const QByteArray &encryptedPayload, bool isDevEnvironment, QByteArray &decryptedPayload)
+    {
+        try {
+            QByteArray key = isDevEnvironment ? DEV_AGW_PUBLIC_KEY : PROD_AGW_PUBLIC_KEY;
+            if (!isDevEnvironment) {
+                QCryptographicHash hash(QCryptographicHash::Sha512);
+                hash.addData(key);
+                QByteArray h = hash.result().toHex();
+
+                QByteArray decKey = QByteArray::fromHex(h.left(64));
+                QByteArray iv = QByteArray::fromHex(h.mid(64, 32));
+                QByteArray ba = QByteArray::fromBase64(encryptedPayload);
+
+                QSimpleCrypto::QBlockCipher cipher;
+                decryptedPayload = cipher.decryptAesBlockCipher(ba, decKey, iv);
+            } else {
+                decryptedPayload = encryptedPayload;
+            }
+            return true;
+        } catch (...) {
+            Utils::logException();
+            return false;
+        }
+    }
+
+    QStringList readCachedProxyUrls(const QByteArray &cachedProxyUrlsEncrypted, bool isDevEnvironment)
+    {
+        if (cachedProxyUrlsEncrypted.isEmpty()) {
+            return {};
+        }
+
+        QByteArray cachedProxyUrlsDecrypted;
+        if (!decryptProxyUrlsPayload(cachedProxyUrlsEncrypted, isDevEnvironment, cachedProxyUrlsDecrypted)) {
+            qCritical() << "error decrypting cached proxy urls payload";
+            return {};
+        }
+
+        QJsonArray endpointsArray = QJsonDocument::fromJson(cachedProxyUrlsDecrypted).array();
+        QStringList endpoints;
+        endpoints.reserve(endpointsArray.size());
+        for (const QJsonValue &endpoint : endpointsArray) {
+            endpoints.push_back(endpoint.toString());
+        }
+
+        return endpoints;
+    }
 }
 
 GatewayController::GatewayController(const QString &gatewayEndpoint, const bool isDevEnvironment, const int requestTimeoutMsecs,
-                                     const bool isStrictKillSwitchEnabled, QObject *parent)
+                                     const bool isStrictKillSwitchEnabled, SecureAppSettingsRepository *appSettingsRepository,
+                                     QObject *parent)
     : QObject(parent),
       m_gatewayEndpoint(gatewayEndpoint),
       m_isDevEnvironment(isDevEnvironment),
       m_requestTimeoutMsecs(requestTimeoutMsecs),
-      m_isStrictKillSwitchEnabled(isStrictKillSwitchEnabled)
+      m_isStrictKillSwitchEnabled(isStrictKillSwitchEnabled),
+      m_appSettingsRepository(appSettingsRepository)
 {
 }
 
@@ -308,8 +372,9 @@ QFuture<QPair<ErrorCode, QByteArray>> GatewayController::postAsync(const QString
             QStringList proxyStorageUrls;
             appendStorageUrls(primaryBaseUrls, proxyStorageUrls);
             appendStorageUrls(fallbackBaseUrls, proxyStorageUrls);
+            const QString proxyUrlsCacheKey = getProxyUrlsCacheKey(serviceType, userCountryCode);
 
-            getProxyUrlsAsync(proxyStorageUrls, 0, [this, encRequestData, endpoint, processResponse](const QStringList &proxyUrls) {
+            getProxyUrlsAsync(proxyStorageUrls, 0, proxyUrlsCacheKey, [this, encRequestData, endpoint, processResponse](const QStringList &proxyUrls) {
                 getProxyUrlAsync(proxyUrls, 0, [this, encRequestData, endpoint, processResponse](const QString &proxyUrl) {
                     bypassProxyAsync(endpoint, proxyUrl, encRequestData,
                                      [processResponse, this](const QByteArray &decryptedBody, bool isDecryptionSuccessful,
@@ -355,8 +420,6 @@ QStringList GatewayController::getProxyUrls(const QString &serviceType, const QS
     std::shuffle(primaryBaseUrls.begin(), primaryBaseUrls.end(), generator);
     std::shuffle(fallbackBaseUrls.begin(), fallbackBaseUrls.end(), generator);
 
-    QByteArray key = m_isDevEnvironment ? DEV_AGW_PUBLIC_KEY : PROD_AGW_PUBLIC_KEY;
-
     auto appendStorageUrls = [&serviceType, &userCountryCode](const QStringList &baseUrls, QStringList &target) {
         if (!serviceType.isEmpty()) {
             for (const auto &baseUrl : baseUrls) {
@@ -372,10 +435,12 @@ QStringList GatewayController::getProxyUrls(const QString &serviceType, const QS
     QStringList proxyStorageUrls;
     appendStorageUrls(primaryBaseUrls, proxyStorageUrls);
     appendStorageUrls(fallbackBaseUrls, proxyStorageUrls);
+    const QString proxyUrlsCacheKey = getProxyUrlsCacheKey(serviceType, userCountryCode);
+    const QByteArray cachedProxyUrlsEncrypted = m_appSettingsRepository->readGatewayProxyUrls(proxyUrlsCacheKey);
 
     if (proxyStorageUrls.empty()) {
         qDebug() << "empty storage endpoint list";
-        return {};
+        return readCachedProxyUrls(cachedProxyUrlsEncrypted, m_isDevEnvironment);
     }
 
     for (const auto &proxyStorageUrl : proxyStorageUrls) {
@@ -390,26 +455,8 @@ QStringList GatewayController::getProxyUrls(const QString &serviceType, const QS
             auto encryptedResponseBody = reply->readAll();
             reply->deleteLater();
 
-            EVP_PKEY *privateKey = nullptr;
             QByteArray responseBody;
-            try {
-                if (!m_isDevEnvironment) {
-                    QCryptographicHash hash(QCryptographicHash::Sha512);
-                    hash.addData(key);
-                    QByteArray hashResult = hash.result().toHex();
-
-                    QByteArray key = QByteArray::fromHex(hashResult.left(64));
-                    QByteArray iv = QByteArray::fromHex(hashResult.mid(64, 32));
-
-                    QByteArray ba = QByteArray::fromBase64(encryptedResponseBody);
-
-                    QSimpleCrypto::QBlockCipher blockCipher;
-                    responseBody = blockCipher.decryptAesBlockCipher(ba, key, iv);
-                } else {
-                    responseBody = encryptedResponseBody;
-                }
-            } catch (...) {
-                Utils::logException();
+            if (!decryptProxyUrlsPayload(encryptedResponseBody, m_isDevEnvironment, responseBody)) {
                 qCritical() << "error loading private key from environment variables or decrypting payload" << encryptedResponseBody;
                 continue;
             }
@@ -420,6 +467,8 @@ QStringList GatewayController::getProxyUrls(const QString &serviceType, const QS
             for (const auto &endpoint : endpointsArray) {
                 endpoints.push_back(endpoint.toString());
             }
+            m_appSettingsRepository->writeGatewayProxyUrls(proxyUrlsCacheKey, encryptedResponseBody);
+
             return endpoints;
         } else {
             auto replyError = reply->error();
@@ -431,7 +480,7 @@ QStringList GatewayController::getProxyUrls(const QString &serviceType, const QS
             reply->deleteLater();
         }
     }
-    return {};
+    return readCachedProxyUrls(cachedProxyUrlsEncrypted, m_isDevEnvironment);
 }
 
 bool GatewayController::shouldBypassProxy(const QNetworkReply::NetworkError &replyError, const QByteArray &decryptedResponseBody,
@@ -573,10 +622,12 @@ void GatewayController::bypassProxy(const QString &endpoint, const QString &serv
 }
 
 void GatewayController::getProxyUrlsAsync(const QStringList proxyStorageUrls, const int currentProxyStorageIndex,
-                                          std::function<void(const QStringList &)> onComplete)
+                                          const QString &proxyUrlsCacheKey, std::function<void(const QStringList &)> onComplete)
 {
+    const QByteArray cachedProxyUrlsEncrypted = m_appSettingsRepository->readGatewayProxyUrls(proxyUrlsCacheKey);
+
     if (currentProxyStorageIndex >= proxyStorageUrls.size()) {
-        onComplete({});
+        onComplete(shuffledProxyUrls(readCachedProxyUrls(cachedProxyUrlsEncrypted, m_isDevEnvironment)));
         return;
     }
 
@@ -589,33 +640,17 @@ void GatewayController::getProxyUrlsAsync(const QStringList proxyStorageUrls, co
 
     // connect(reply, &QNetworkReply::sslErrors, this, [state](const QList<QSslError> &e) { *(state->sslErrors) = e; });
 
-    connect(reply, &QNetworkReply::finished, this, [this, proxyStorageUrls, currentProxyStorageIndex, onComplete, reply]() {
+    connect(reply, &QNetworkReply::finished, this,
+            [this, proxyStorageUrls, currentProxyStorageIndex, proxyUrlsCacheKey, onComplete, reply]() {
         if (reply->error() == QNetworkReply::NoError) {
             QByteArray encrypted = reply->readAll();
             reply->deleteLater();
 
             QByteArray responseBody;
-            try {
-                QByteArray key = m_isDevEnvironment ? DEV_AGW_PUBLIC_KEY : PROD_AGW_PUBLIC_KEY;
-                if (!m_isDevEnvironment) {
-                    QCryptographicHash hash(QCryptographicHash::Sha512);
-                    hash.addData(key);
-                    QByteArray h = hash.result().toHex();
-
-                    QByteArray decKey = QByteArray::fromHex(h.left(64));
-                    QByteArray iv = QByteArray::fromHex(h.mid(64, 32));
-                    QByteArray ba = QByteArray::fromBase64(encrypted);
-
-                    QSimpleCrypto::QBlockCipher cipher;
-                    responseBody = cipher.decryptAesBlockCipher(ba, decKey, iv);
-                } else {
-                    responseBody = encrypted;
-                }
-            } catch (...) {
-                Utils::logException();
+            if (!decryptProxyUrlsPayload(encrypted, m_isDevEnvironment, responseBody)) {
                 qCritical() << "error decrypting payload";
                 QMetaObject::invokeMethod(
-                        this, [=]() { getProxyUrlsAsync(proxyStorageUrls, currentProxyStorageIndex + 1, onComplete); }, Qt::QueuedConnection);
+                        this, [=]() { getProxyUrlsAsync(proxyStorageUrls, currentProxyStorageIndex + 1, proxyUrlsCacheKey, onComplete); }, Qt::QueuedConnection);
                 return;
             }
 
@@ -623,13 +658,9 @@ void GatewayController::getProxyUrlsAsync(const QStringList proxyStorageUrls, co
             QStringList endpoints;
             for (const QJsonValue &endpoint : endpointsArray)
                 endpoints.push_back(endpoint.toString());
+            m_appSettingsRepository->writeGatewayProxyUrls(proxyUrlsCacheKey, encrypted);
 
-            QStringList shuffled = endpoints;
-            std::random_device randomDevice;
-            std::mt19937 generator(randomDevice());
-            std::shuffle(shuffled.begin(), shuffled.end(), generator);
-
-            onComplete(shuffled);
+            onComplete(shuffledProxyUrls(endpoints));
             return;
         }
 
@@ -638,7 +669,7 @@ void GatewayController::getProxyUrlsAsync(const QStringList proxyStorageUrls, co
         qDebug() << "go to the next storage endpoint";
         reply->deleteLater();
         QMetaObject::invokeMethod(
-                this, [=]() { getProxyUrlsAsync(proxyStorageUrls, currentProxyStorageIndex + 1, onComplete); }, Qt::QueuedConnection);
+                this, [=]() { getProxyUrlsAsync(proxyStorageUrls, currentProxyStorageIndex + 1, proxyUrlsCacheKey, onComplete); }, Qt::QueuedConnection);
     });
 }
 

client/core/controllers/gatewayController.h

@@ -16,13 +16,16 @@
     #include "platforms/ios/ios_controller.h"
 #endif
 
+class SecureAppSettingsRepository;
+
 class GatewayController : public QObject
 {
     Q_OBJECT
 
 public:
     explicit GatewayController(const QString &gatewayEndpoint, const bool isDevEnvironment, const int requestTimeoutMsecs,
-                               const bool isStrictKillSwitchEnabled, QObject *parent = nullptr);
+                               const bool isStrictKillSwitchEnabled, SecureAppSettingsRepository *appSettingsRepository,
+                               QObject *parent = nullptr);
 
     amnezia::ErrorCode post(const QString &endpoint, const QJsonObject apiPayload, QByteArray &responseBody);
     QFuture<QPair<amnezia::ErrorCode, QByteArray>> postAsync(const QString &endpoint, const QJsonObject apiPayload);
@@ -55,7 +58,7 @@ private:
                      std::function<bool(QNetworkReply *reply, const QList<QSslError> &sslErrors)> replyProcessingFunction);
 
     void getProxyUrlsAsync(const QStringList proxyStorageUrls, const int currentProxyStorageIndex,
-                           std::function<void(const QStringList &)> onComplete);
+                           const QString &proxyUrlsCacheKey, std::function<void(const QStringList &)> onComplete);
     void getProxyUrlAsync(const QStringList proxyUrls, const int currentProxyIndex, std::function<void(const QString &)> onComplete);
     void bypassProxyAsync(
             const QString &endpoint, const QString &proxyUrl, EncryptedRequestData encRequestData,
@@ -65,6 +68,7 @@ private:
     QString m_gatewayEndpoint;
     bool m_isDevEnvironment = false;
     bool m_isStrictKillSwitchEnabled = false;
+    SecureAppSettingsRepository *m_appSettingsRepository = nullptr;
 
     inline static QString m_proxyUrl;
 };

client/core/controllers/selfhosted/exportController.h

@@ -48,6 +48,7 @@ signals:
     void appendClientRequested(const QString &serverId, const QString &clientId, const QString &clientName, DockerContainer container);
     void updateClientsRequested(const QString &serverId, DockerContainer container);
     void revokeClientRequested(const QString &serverId, int row, DockerContainer container);
+    void revokeFinished(ErrorCode errorCode);
     void renameClientRequested(const QString &serverId, int row, const QString &clientName, DockerContainer container);
 
 public slots:

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

@@ -72,6 +72,16 @@ namespace
         }
         return false;
     }
+
+    QString buildRemoveContainerScript(const amnezia::ScriptVars &vars, bool removeDataVolume)
+    {
+        QString script = SshSession::replaceVars(amnezia::scriptData(SharedScriptType::remove_container), vars);
+        if (removeDataVolume) {
+            script += QLatin1String("\nsudo docker volume rm -f $CONTAINER_NAME-data 2>/dev/null || true");
+            script = SshSession::replaceVars(script, vars);
+        }
+        return script;
+    }
 }
 
 InstallController::InstallController(SecureServersRepository *serversRepository,
@@ -93,7 +103,7 @@ ErrorCode InstallController::setupContainer(const ServerCredentials &credentials
                                             bool isUpdate)
 {
     qDebug().noquote() << "InstallController::setupContainer" << ContainerUtils::containerToString(container);
-    SshSession sshSession(this);
+    SshSession sshSession;
     ErrorCode e = ErrorCode::NoError;
 
     e = isUserInSudo(credentials, sshSession);
@@ -120,14 +130,10 @@ ErrorCode InstallController::setupContainer(const ServerCredentials &credentials
         return e;
     qDebug().noquote() << "InstallController::setupContainer prepareHostWorker finished";
 
-    amnezia::ScriptVars removeContainerVars =
+    const 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),
-                                                removeContainerVars));
+    const bool removeDataVolume = !isUpdate && (container == DockerContainer::MtProxy || container == DockerContainer::Telemt);
+    sshSession.runScript(credentials, buildRemoveContainerScript(removeContainerVars, removeDataVolume));
     qDebug().noquote() << "InstallController::setupContainer removeContainer finished";
 
     qDebug().noquote() << "buildContainerWorker start";
@@ -152,8 +158,8 @@ ErrorCode InstallController::setupContainer(const ServerCredentials &credentials
     return startupContainerWorker(credentials, container, config, sshSession);
 }
 
-ErrorCode InstallController::updateContainer(const QString &serverId, DockerContainer container, const ContainerConfig &oldConfig,
-                                             ContainerConfig &newConfig)
+ErrorCode InstallController::updateServerConfig(const QString &serverId, DockerContainer container, const ContainerConfig &oldConfig,
+                                                ContainerConfig &newConfig)
 {
     if (!isUpdateDockerContainerRequired(container, oldConfig, newConfig)) {
         auto adminConfig = m_serversRepository->selfHostedAdminConfig(serverId);
@@ -162,11 +168,11 @@ ErrorCode InstallController::updateContainer(const QString &serverId, DockerCont
         }
         if (container == DockerContainer::MtProxy) {
             ServerCredentials credentials = adminConfig->credentials();
-            SshSession sshSession(this);
+            SshSession sshSession;
             MtProxyInstaller::uploadClientSettingsSnapshot(sshSession, credentials, container, newConfig);
         } else if (container == DockerContainer::Telemt) {
             ServerCredentials credentials = adminConfig->credentials();
-            SshSession sshSession(this);
+            SshSession sshSession;
             TelemtInstaller::uploadClientSettingsSnapshot(sshSession, credentials, container, newConfig);
         }
         adminConfig->updateContainerConfig(container, newConfig);
@@ -182,10 +188,10 @@ ErrorCode InstallController::updateContainer(const QString &serverId, DockerCont
     if (!credentials.isValid()) {
         return ErrorCode::InternalError;
     }
-    SshSession sshSession(this);
+    SshSession sshSession;
 
     bool reinstallRequired = isReinstallContainerRequired(container, oldConfig, newConfig);
-    qDebug() << "InstallController::updateContainer for container" << container << "reinstall required is" << reinstallRequired;
+    qDebug() << "InstallController::updateServerConfig for container" << container << "reinstall required is" << reinstallRequired;
 
     bool xrayServerSettingsChanged = false;
     if (container == DockerContainer::Xray || container == DockerContainer::SSXray) {
@@ -205,6 +211,12 @@ ErrorCode InstallController::updateContainer(const QString &serverId, DockerCont
         if (errorCode == ErrorCode::NoError) {
             errorCode = startupContainerWorker(credentials, container, newConfig, sshSession);
         }
+
+        if (errorCode == ErrorCode::NoError
+            && (container == DockerContainer::MtProxy || container == DockerContainer::Telemt)) {
+            const QString containerName = ContainerUtils::containerToString(container);
+            errorCode = sshSession.runScript(credentials, "sudo docker restart " + containerName);
+        }
     }
 
     const bool skipXrayInboundSync =
@@ -213,11 +225,11 @@ ErrorCode InstallController::updateContainer(const QString &serverId, DockerCont
     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="
+        qDebug() << "InstallController::updateServerConfig 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="
+            qDebug() << "InstallController::updateServerConfig Xray inbound sync failed, error="
                      << static_cast<int>(errorCode);
         }
     }
@@ -228,7 +240,9 @@ ErrorCode InstallController::updateContainer(const QString &serverId, DockerCont
         } else if (container == DockerContainer::Telemt) {
             TelemtInstaller::uploadClientSettingsSnapshot(sshSession, credentials, container, newConfig);
         }
-        clearCachedProfile(serverId, container);
+        if (reinstallRequired) {
+            clearCachedProfile(serverId, container);
+        }
         adminConfig->updateContainerConfig(container, newConfig);
         m_serversRepository->editServer(serverId, adminConfig->toJson(), serverConfigUtils::ConfigType::SelfHostedAdmin);
     }
@@ -236,6 +250,41 @@ ErrorCode InstallController::updateContainer(const QString &serverId, DockerCont
     return errorCode;
 }
 
+ErrorCode InstallController::updateClientConfig(const QString &serverId, DockerContainer container, ContainerConfig &newConfig)
+{
+    switch (m_serversRepository->serverKind(serverId)) {
+    case serverConfigUtils::ConfigType::SelfHostedAdmin: {
+        auto config = m_serversRepository->selfHostedAdminConfig(serverId);
+        if (!config.has_value()) {
+            return ErrorCode::InternalError;
+        }
+        config->updateContainerConfig(container, newConfig);
+        m_serversRepository->editServer(serverId, config->toJson(), serverConfigUtils::ConfigType::SelfHostedAdmin);
+        return ErrorCode::NoError;
+    }
+    case serverConfigUtils::ConfigType::SelfHostedUser: {
+        auto config = m_serversRepository->selfHostedUserConfig(serverId);
+        if (!config.has_value()) {
+            return ErrorCode::InternalError;
+        }
+        config->updateContainerConfig(container, newConfig);
+        m_serversRepository->editServer(serverId, config->toJson(), serverConfigUtils::ConfigType::SelfHostedUser);
+        return ErrorCode::NoError;
+    }
+    case serverConfigUtils::ConfigType::Native: {
+        auto config = m_serversRepository->nativeConfig(serverId);
+        if (!config.has_value()) {
+            return ErrorCode::InternalError;
+        }
+        config->updateContainerConfig(container, newConfig);
+        m_serversRepository->editServer(serverId, config->toJson(), serverConfigUtils::ConfigType::Native);
+        return ErrorCode::NoError;
+    }
+    default:
+        return ErrorCode::InternalError;
+    }
+}
+
 void InstallController::clearCachedProfile(const QString &serverId, DockerContainer container)
 {
     if (ContainerUtils::containerService(container) == ServiceType::Other) {
@@ -358,7 +407,7 @@ 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;
 
@@ -696,18 +745,6 @@ bool InstallController::isReinstallContainerRequired(DockerContainer container,
             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;
-            }
         }
     }
 
@@ -722,39 +759,6 @@ bool InstallController::isReinstallContainerRequired(DockerContainer container,
             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;
-            }
         }
     }
 
@@ -794,9 +798,23 @@ ErrorCode InstallController::installDockerWorker(const ServerCredentials &creden
 
     qDebug().noquote() << "InstallController::installDockerWorker" << stdOut;
 
+    if (container == DockerContainer::MtProxy || container == DockerContainer::Telemt) {
+        QString conntrackOut;
+        auto cbConntrack = [&](const QString &data, libssh::Client &) {
+            conntrackOut += data + "\n";
+            return ErrorCode::NoError;
+        };
+        sshSession.runScript(
+                credentials,
+                sshSession.replaceVars(amnezia::scriptData(SharedScriptType::install_conntrack),
+                                       amnezia::genBaseVars(credentials, DockerContainer::None, QString(), QString())),
+                cbConntrack, cbConntrack);
+        qDebug().noquote() << "InstallController::installDockerWorker install_conntrack:" << conntrackOut;
+    }
+
     if (container == DockerContainer::Awg2) {
-        QRegularExpression regex(R"(Linux\s+(\d+)\.(\d+)[^\d]*)");
-        QRegularExpressionMatch match = regex.match(stdOut);
+        QRegularExpression kernelVersionRegex(R"(Linux\s+(\d+)\.(\d+)[^\d]*)");
+        QRegularExpressionMatch match = kernelVersionRegex.match(stdOut);
         if (match.hasMatch()) {
             int majorVersion = match.captured(1).toInt();
             int minorVersion = match.captured(2).toInt();
@@ -809,8 +827,19 @@ ErrorCode InstallController::installDockerWorker(const ServerCredentials &creden
 
     if (stdOut.contains("lock"))
         return ErrorCode::ServerPacketManagerError;
-    if (stdOut.contains("command not found"))
+    if (stdOut.contains("Container runtime is not supported"))
+        return ErrorCode::ServerContainerRuntimeNotSupported;
+    
+    QRegularExpression notFoundRegex(
+        R"(^.*(?:sudo:|docker:).*not found.*$)",
+        QRegularExpression::MultilineOption);
+
+    if (notFoundRegex.match(stdOut).hasMatch()) {
         return ErrorCode::ServerDockerFailedError;
+    }
+    
+    if (stdOut.contains("Container runtime service not running"))
+        return ErrorCode::ContainerRuntimeServiceNotRunning;
 
     return error;
 }
@@ -847,7 +876,7 @@ ErrorCode InstallController::isUserInSudo(const ServerCredentials &credentials,
         return ErrorCode::ServerUserNotInSudo;
     if (stdOut.contains("can't cd to") || stdOut.contains("Permission denied") || stdOut.contains("No such file or directory"))
         return ErrorCode::ServerUserDirectoryNotAccessible;
-    if (stdOut.contains("sudoers") || stdOut.contains("is not allowed to run sudo on"))
+    if (stdOut.contains(QRegularExpression(R"(\bsudoers\b)")) || stdOut.contains("is not allowed to") || stdOut.contains("can't do that"))
         return ErrorCode::ServerUserNotAllowedInSudoers;
     if (stdOut.contains("password is required") || stdOut.contains("authentication is required"))
         return ErrorCode::ServerUserPasswordRequired;
@@ -929,7 +958,7 @@ ErrorCode InstallController::rebootServer(const QString &serverId)
     if (!credentials.isValid()) {
         return ErrorCode::InternalError;
     }
-    SshSession sshSession(this);
+    SshSession sshSession;
 
     QString script = QString("sudo reboot");
 
@@ -957,7 +986,7 @@ ErrorCode InstallController::removeAllContainers(const QString &serverId)
     if (!credentials.isValid()) {
         return ErrorCode::InternalError;
     }
-    SshSession sshSession(this);
+    SshSession sshSession;
     ErrorCode errorCode = sshSession.runScript(credentials, amnezia::scriptData(SharedScriptType::remove_all_containers));
 
     if (errorCode == ErrorCode::NoError) {
@@ -979,13 +1008,12 @@ ErrorCode InstallController::removeContainer(const QString &serverId, DockerCont
     if (!credentials.isValid()) {
         return ErrorCode::InternalError;
     }
-    SshSession sshSession(this);
-    amnezia::ScriptVars removeContainerVars =
+    SshSession sshSession;
+    const 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), removeContainerVars));
+    const bool removeDataVolume = (container == DockerContainer::MtProxy || container == DockerContainer::Telemt);
+    ErrorCode errorCode =
+            sshSession.runScript(credentials, buildRemoveContainerScript(removeContainerVars, removeDataVolume));
 
     if (errorCode == ErrorCode::NoError) {
         QMap<DockerContainer, ContainerConfig> containers = adminConfig->containers;
@@ -1089,7 +1117,7 @@ ErrorCode InstallController::scanServerForInstalledContainers(const QString &ser
     if (!credentials.isValid()) {
         return ErrorCode::InternalError;
     }
-    SshSession sshSession(this);
+    SshSession sshSession;
 
     QMap<DockerContainer, ContainerConfig> installedContainers;
     ErrorCode errorCode = getAlreadyInstalledContainers(credentials, installedContainers, sshSession);
@@ -1132,7 +1160,7 @@ ErrorCode InstallController::scanServerForInstalledContainers(const QString &ser
 ErrorCode InstallController::installServer(const ServerCredentials &credentials, DockerContainer container, int port,
                                            TransportProto transportProto, bool &wasContainerInstalled)
 {
-    SshSession sshSession(this);
+    SshSession sshSession;
     QMap<DockerContainer, ContainerConfig> installedContainers;
     ErrorCode errorCode = getAlreadyInstalledContainers(credentials, installedContainers, sshSession);
     if (errorCode) {
@@ -1170,7 +1198,7 @@ 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());
@@ -1201,7 +1229,7 @@ ErrorCode InstallController::installContainer(const QString &serverId, DockerCon
     if (!credentials.isValid()) {
         return ErrorCode::InternalError;
     }
-    SshSession sshSession(this);
+    SshSession sshSession;
     
     QMap<DockerContainer, ContainerConfig> installedContainers;
     ErrorCode errorCode = getAlreadyInstalledContainers(credentials, installedContainers, sshSession);
@@ -1240,28 +1268,26 @@ 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);
+    SshSession sshSession;
     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;
 }
 
@@ -1465,7 +1491,7 @@ ErrorCode InstallController::getAlreadyInstalledContainers(const ServerCredentia
             QString transportProtoStr = containerAndPortMatch.captured(3);
             DockerContainer container = ContainerUtils::containerFromString(name);
 
-            if (container == DockerContainer::None) {
+            if (container == DockerContainer::None || ContainerUtils::isUnsupportedContainer(container)) {
                 continue;
             }
 
@@ -1490,7 +1516,7 @@ ErrorCode InstallController::getAlreadyInstalledContainers(const ServerCredentia
             QString transportProtoStr = torOrDnsRegMatch.captured(3);
             DockerContainer container = ContainerUtils::containerFromString(name);
 
-            if (container == DockerContainer::None) {
+            if (container == DockerContainer::None || ContainerUtils::isUnsupportedContainer(container)) {
                 continue;
             }
 
@@ -1526,7 +1552,7 @@ ErrorCode InstallController::setDockerContainerEnabledState(const QString &serve
         return ErrorCode::InternalError;
     }
     const QString containerName = ContainerUtils::containerToString(container);
-    SshSession sshSession(this);
+    SshSession sshSession;
     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);
@@ -1566,7 +1592,7 @@ ErrorCode InstallController::queryDockerContainerStatus(const QString &serverId,
         stdOut += data;
         return ErrorCode::NoError;
     };
-    SshSession sshSession(this);
+    SshSession sshSession;
     const QString script = QStringLiteral(
             "sudo docker inspect --format '{{.State.Status}}' %1 2>/dev/null || echo 'not_found'")
             .arg(containerName);
@@ -1600,7 +1626,7 @@ ErrorCode InstallController::queryMtProxyDiagnostics(const QString &serverId, Do
     if (!credentials.isValid()) {
         return ErrorCode::InternalError;
     }
-    SshSession sshSession(this);
+    SshSession sshSession;
     return MtProxyInstaller::queryDiagnostics(sshSession, credentials, container, listenPort, out);
 }
 
@@ -1623,7 +1649,7 @@ QString InstallController::fetchDockerContainerSecret(const QString &serverId, D
         stdOut += data;
         return ErrorCode::NoError;
     };
-    SshSession sshSession(this);
+    SshSession sshSession;
     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);

client/core/controllers/selfhosted/installController.h

@@ -34,7 +34,12 @@ public:
     ~InstallController();
 
     ErrorCode setupContainer(const ServerCredentials &credentials, DockerContainer container, ContainerConfig &config, bool isUpdate = false);
-    ErrorCode updateContainer(const QString &serverId, DockerContainer container, const ContainerConfig &oldConfig, ContainerConfig &newConfig);
+
+    // Updates server-side container settings (admin self-hosted only): reconfigures the container over SSH.
+    ErrorCode updateServerConfig(const QString &serverId, DockerContainer container, const ContainerConfig &oldConfig, ContainerConfig &newConfig);
+
+    // Updates client-local settings only: rewrites the stored container config for any self-hosted/native server. No SSH.
+    ErrorCode updateClientConfig(const QString &serverId, DockerContainer container, ContainerConfig &newConfig);
 
     ErrorCode rebootServer(const QString &serverId);
     ErrorCode removeAllContainers(const QString &serverId);
@@ -64,7 +69,8 @@ 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/selfhosted/usersController.cpp

@@ -698,7 +698,7 @@ ErrorCode UsersController::revokeXray(const int row,
 
     QString restartScript = QString("sudo docker restart $CONTAINER_NAME");
     error = sshSession->runScript(
-        credentials, 
+        credentials,
         sshSession->replaceVars(restartScript, amnezia::genBaseVars(credentials, container, QString(), QString()))
     );
     if (error != ErrorCode::NoError) {
@@ -758,14 +758,17 @@ ErrorCode UsersController::revokeClient(const QString &serverId, const int index
         ContainerConfig containerCfg = adminConfig->containerConfig(container);
         QString containerClientId = containerCfg.protocolConfig.clientId();
 
-        if (!clientId.isEmpty() && !containerClientId.isEmpty() && containerClientId.contains(clientId)) {
+        const bool isAdminMatch = !clientId.isEmpty() && !containerClientId.isEmpty() && containerClientId.contains(clientId);
+        if (isAdminMatch) {
             emit adminConfigRevoked(serverId, container);
         }
 
         emit clientRevoked(index);
-        emit clientsUpdated(m_clientsTable);
     }
 
+    emit clientsUpdated(m_clientsTable);
+    emit revokeFinished(errorCode);
+
     return errorCode;
 }
 

client/core/controllers/selfhosted/usersController.h

@@ -37,6 +37,7 @@ signals:
     void clientAdded(const QJsonObject &client);
     void clientRenamed(int row, const QString &newName);
     void clientRevoked(int row);
+    void revokeFinished(ErrorCode errorCode);
     void adminConfigRevoked(const QString &serverId, DockerContainer container);
 
 public slots:

client/core/controllers/settingsController.cpp

@@ -363,6 +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
@@ -96,7 +95,8 @@ void UpdateController::fetchGatewayUrl()
     auto gatewayController = QSharedPointer<GatewayController>::create(m_appSettingsRepository->getGatewayEndpoint(),
                                                                        m_appSettingsRepository->isDevGatewayEnv(),
                                                                        7000,
-                                                                       m_appSettingsRepository->isStrictKillSwitchEnabled());
+                                                                       m_appSettingsRepository->isStrictKillSwitchEnabled(),
+                                                                       m_appSettingsRepository);
 
     QJsonObject apiPayload;
     apiPayload[apiDefs::key::cliVersion] = QString(APP_VERSION);
@@ -109,7 +109,7 @@ void UpdateController::fetchGatewayUrl()
             .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;
                 }
@@ -250,17 +250,9 @@ void UpdateController::runInstaller()
             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();
     });

client/core/installers/mtProxyInstaller.cpp

@@ -71,48 +71,62 @@ ErrorCode MtProxyInstaller::queryDiagnostics(SshSession &sshSession, const Serve
                                              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);
+    out = { };
+    if (container == DockerContainer::MtProxy || container == DockerContainer::Telemt) {
+        const QString containerName = ContainerUtils::containerToString(container);
+        const bool isTelemt = container == DockerContainer::Telemt;
 
-    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();
+        const QString sportFilter = QString::number(listenPort);
+        const QString peersCmd = QStringLiteral("sudo conntrack -L -p tcp --dport ") + sportFilter
+                + QStringLiteral(" 2>/dev/null | grep ESTABLISHED | awk '{for(i=1;i<=NF;i++) if($i ~ /^src=/){print "
+                                 "substr($i,5); break}}'");
+        const QString publicFilter = QStringLiteral(" | grep -vE "
+                                                    "'^(10\\.|127\\.|169\\.254\\.|192\\.168\\.|172\\.(1[6-9]|2[0-9]|3["
+                                                    "01])\\.|::1$|fe80:|f[cd][0-9a-f][0-9a-f]:)'");
+        const QString clientsCmd =
+                QStringLiteral("CLIENTS=$(") + peersCmd + publicFilter + QStringLiteral(" | sort -u | grep -c .); ");
+        const QString confFile =
+                isTelemt ? QStringLiteral("/data/config.toml") : QStringLiteral("/data/proxy-multi.conf");
+        const QString statsUrl = QString();
+
+        const QString script = QStringLiteral("CN=") + containerName + QStringLiteral("; ")
+                + QStringLiteral("PORT_OK=$(sudo ss -tlnp 2>/dev/null | grep -q :") + QString::number(listenPort)
+                + QStringLiteral(" && echo yes || echo no); ")
+                + QStringLiteral("TG_OK=$(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); ")
+                + clientsCmd + QStringLiteral("CONF_TIME=$(sudo docker exec \"$CN\" sh -c 'stat -c \"%y\" ") + confFile
+                + QStringLiteral(" 2>/dev/null | cut -d. -f1' 2>/dev/null || echo unknown); ")
+                + QStringLiteral("echo \"PORT_OK=${PORT_OK}\"; ") + QStringLiteral("echo \"TG_OK=${TG_OK}\"; ")
+                + QStringLiteral("echo \"CLIENTS=${CLIENTS:-0}\"; ") + QStringLiteral("echo \"CONF_TIME=${CONF_TIME}\"; ")
+                + QStringLiteral("echo \"STATS=") + statsUrl + QStringLiteral("\";");
+
+        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;
     }
-    return ErrorCode::NoError;
+
+    return ErrorCode::InternalError;
 }
 
 void MtProxyInstaller::uploadClientSettingsSnapshot(SshSession &sshSession, const ServerCredentials &credentials,

client/core/models/protocols/xrayProtocolConfig.cpp

@@ -32,7 +32,7 @@ XrayXPaddingConfig XrayXPaddingConfig::fromJson(const QJsonObject &json)
     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.key       = json.value(configKey::xPaddingKey).toString();
     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);
@@ -365,6 +365,8 @@ XrayServerConfig XrayServerConfig::fromJson(const QJsonObject &json)
 bool XrayServerConfig::hasEqualServerSettings(const XrayServerConfig &other) const
 {
     return port == other.port
+           && transportProto == other.transportProto
+           && subnetAddress == other.subnetAddress
            && site == other.site
            && security == other.security
            && flow == other.flow
@@ -466,6 +468,17 @@ XrayProtocolConfig XrayProtocolConfig::fromJson(const QJsonObject &json)
                         }
                     }
                 }
+                const QJsonArray outbounds = parsed.value(protocols::xray::outbounds).toArray();
+                if (!outbounds.isEmpty()) {
+                    const QJsonObject settings = outbounds[0].toObject().value(protocols::xray::settings).toObject();
+                    const QJsonArray vnext = settings.value(protocols::xray::vnext).toArray();
+                    if (!vnext.isEmpty()) {
+                        const QJsonArray users = vnext[0].toObject().value(protocols::xray::users).toArray();
+                        if (!users.isEmpty()) {
+                            clientCfg.id = users[0].toObject().value(protocols::xray::id).toString();
+                        }
+                    }
+                }
                 c.clientConfig = clientCfg;
             } else {
                 c.clientConfig = XrayClientConfig::fromJson(parsed);

client/core/models/selfhosted/nativeServerConfig.cpp

@@ -29,6 +29,11 @@ ContainerConfig NativeServerConfig::containerConfig(DockerContainer container) c
     return containers.value(container);
 }
 
+void NativeServerConfig::updateContainerConfig(DockerContainer container, const ContainerConfig &config)
+{
+    containers[container] = config;
+}
+
 QPair<QString, QString> NativeServerConfig::getDnsPair(const QString &primaryDns, const QString &secondaryDns) const
 {
     QString d1 = dns1;

client/core/models/selfhosted/nativeServerConfig.h

@@ -27,6 +27,8 @@ struct NativeServerConfig {
     bool hasContainers() const;
     ContainerConfig containerConfig(DockerContainer container) const;
 
+    void updateContainerConfig(DockerContainer container, const ContainerConfig &config);
+
     QPair<QString, QString> getDnsPair(const QString &primaryDns, const QString &secondaryDns) const;
 
     QJsonObject toJson() const;

client/core/models/selfhosted/selfHostedUserServerConfig.cpp

@@ -43,6 +43,11 @@ ContainerConfig SelfHostedUserServerConfig::containerConfig(DockerContainer cont
     return containers.value(container);
 }
 
+void SelfHostedUserServerConfig::updateContainerConfig(DockerContainer container, const ContainerConfig &config)
+{
+    containers[container] = config;
+}
+
 QPair<QString, QString> SelfHostedUserServerConfig::getDnsPair(const QString &primaryDns,
                                                                const QString &secondaryDns) const
 {

client/core/models/selfhosted/selfHostedUserServerConfig.h

@@ -32,6 +32,8 @@ struct SelfHostedUserServerConfig {
     bool hasContainers() const;
     ContainerConfig containerConfig(DockerContainer container) const;
 
+    void updateContainerConfig(DockerContainer container, const ContainerConfig &config);
+
     QPair<QString, QString> getDnsPair(const QString &primaryDns, const QString &secondaryDns) const;
 
     QJsonObject toJson() const;

client/core/protocols/openVpnProtocol.cpp

@@ -39,33 +39,44 @@ QString OpenVpnProtocol::defaultConfigPath()
     return p;
 }
 
-void OpenVpnProtocol::stop()
+void OpenVpnProtocol::cleanupResources()
 {
-    qDebug() << "OpenVpnProtocol::stop()";
-    setConnectionState(Vpn::ConnectionState::Disconnecting);
-
-    // TODO: need refactoring
-    // sendTermSignal() will even return true while server connected ???
-    if ((m_connectionState == Vpn::ConnectionState::Preparing) || (m_connectionState == Vpn::ConnectionState::Connecting)
-        || (m_connectionState == Vpn::ConnectionState::Connected)
-        || (m_connectionState == Vpn::ConnectionState::Reconnecting)) {
+    if (m_openVpnProcess || openVpnProcessIsRunning()) {
         if (!sendTermSignal()) {
             killOpenVpnProcess();
         }
         QThread::msleep(10);
-        m_managementServer.stop();
     }
+    m_managementServer.stop();
 
 #if defined(Q_OS_WIN) || defined(Q_OS_LINUX) || defined(Q_OS_MACOS)
     IpcClient::withInterface([](QSharedPointer<IpcInterfaceReplica> iface) {
         QRemoteObjectPendingReply<bool> reply = iface->disableKillSwitch();
         if (!reply.waitForFinished(1000) && !reply.returnValue()) {
-            qWarning() << "OpenVpnProtocol::stop(): Failed to disable killswitch";
+            qWarning() << "OpenVpnProtocol::cleanupResources(): Failed to disable killswitch";
         }
     });
 #endif
+}
 
-    setConnectionState(Vpn::ConnectionState::Disconnected);
+void OpenVpnProtocol::stop()
+{
+    qDebug() << "OpenVpnProtocol::stop()";
+
+    const bool wasActive = m_connectionState == Vpn::ConnectionState::Preparing
+            || m_connectionState == Vpn::ConnectionState::Connecting
+            || m_connectionState == Vpn::ConnectionState::Connected
+            || m_connectionState == Vpn::ConnectionState::Reconnecting;
+
+    if (wasActive) {
+        setConnectionState(Vpn::ConnectionState::Disconnecting);
+    }
+
+    cleanupResources();
+
+    if (wasActive || m_connectionState == Vpn::ConnectionState::Disconnecting) {
+        setConnectionState(Vpn::ConnectionState::Disconnected);
+    }
 }
 
 ErrorCode OpenVpnProtocol::prepare()
@@ -168,7 +179,7 @@ void OpenVpnProtocol::updateRouteGateway(QString line)
 
 ErrorCode OpenVpnProtocol::start()
 {
-    OpenVpnProtocol::stop();
+    cleanupResources();
 
     if (!QFileInfo::exists(configPath())) {
         setLastError(ErrorCode::OpenVpnConfigMissing);

client/core/protocols/openVpnProtocol.h

@@ -29,6 +29,7 @@ protected slots:
     void onReadyReadDataFromManagementServer();
 
 private:
+    void cleanupResources();
     QString configPath() const;
     bool openVpnProcessIsRunning() const;
     bool sendTermSignal();

client/core/repositories/secureAppSettingsRepository.cpp

@@ -280,6 +280,24 @@ void SecureAppSettingsRepository::toggleDevGatewayEnv(bool enabled)
     setValue("Conf/devGatewayEnv", enabled);
 }
 
+QByteArray SecureAppSettingsRepository::readGatewayProxyUrls(const QString &cacheKey) const
+{
+    if (cacheKey.isEmpty()) {
+        return {};
+    }
+
+    return value(QStringLiteral("Conf/proxyUrls/") + cacheKey).toByteArray();
+}
+
+void SecureAppSettingsRepository::writeGatewayProxyUrls(const QString &cacheKey, const QByteArray &proxyUrlsEncrypted)
+{
+    if (cacheKey.isEmpty()) {
+        return;
+    }
+
+    setValue(QStringLiteral("Conf/proxyUrls/") + cacheKey, proxyUrlsEncrypted);
+}
+
 bool SecureAppSettingsRepository::isKillSwitchEnabled() const
 {
     return value("Conf/killSwitchEnabled", true).toBool();
@@ -426,26 +444,6 @@ 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);

client/core/repositories/secureAppSettingsRepository.h

@@ -59,7 +59,9 @@ public:
     void setDevGatewayEndpoint();
     bool isDevGatewayEnv(bool isTestPurchase = false) const;
     void toggleDevGatewayEnv(bool enabled);
-    
+    QByteArray readGatewayProxyUrls(const QString &cacheKey) const;
+    void writeGatewayProxyUrls(const QString &cacheKey, const QByteArray &proxyUrlsEncrypted);
+
     bool isKillSwitchEnabled() const;
     void setKillSwitchEnabled(bool enabled);
     bool isStrictKillSwitchEnabled() const;
@@ -90,8 +92,6 @@ public:
     bool restoreAppConfig(const QByteArray &cfg);
     void clearSettings();
 
-    QString nextAvailableServerName() const;
-
     QByteArray xraySavedConfigs() const;
     void setXraySavedConfigs(const QByteArray &data);
 

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 = tr("Server") + QLatin1Char(' ') + QString::number(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/constants/protocolConstants.h

@@ -271,6 +271,7 @@ namespace amnezia
             constexpr char workersModeAuto[]       = "auto";
             constexpr char workersModeManual[]     = "manual";
             constexpr int  maxWorkers              = 32;
+            constexpr int  botTagHexLength         = 32;
         }
 
     } // namespace protocols

client/core/utils/containerEnum.h

@@ -15,6 +15,8 @@ namespace amnezia
             Awg2,
             WireGuard,
             OpenVpn,
+            Cloak,
+            ShadowSocks,
             Ipsec,
             Xray,
             SSXray,

client/core/utils/containers/containerUtils.cpp

@@ -21,6 +21,8 @@ QString ContainerUtils::containerToString(DockerContainer c)
 {
     if (c == DockerContainer::None)
         return "none";
+    if (c == DockerContainer::Cloak)
+        return "amnezia-openvpn-cloak";
     if (c == DockerContainer::Awg)
         return "amnezia-awg";
     if (c == DockerContainer::Awg2)
@@ -62,6 +64,8 @@ QMap<DockerContainer, QString> ContainerUtils::containerHumanNames()
 {
     return { { DockerContainer::None, "Not installed" },
              { DockerContainer::OpenVpn, "OpenVPN" },
+             { DockerContainer::ShadowSocks, "OpenVPN over SS" },
+             { DockerContainer::Cloak, "OpenVPN over Cloak" },
              { DockerContainer::WireGuard, "WireGuard" },
              { DockerContainer::Awg, "AmneziaWG" },
              { DockerContainer::Awg2, "AmneziaWG" },
@@ -83,6 +87,10 @@ QMap<DockerContainer, QString> ContainerUtils::containerDescriptions()
     return {              { DockerContainer::OpenVpn,
                QObject::tr("OpenVPN is the most popular VPN protocol, with flexible configuration options. It uses its "
                            "own security protocol with SSL/TLS for key exchange.") },
+             { DockerContainer::ShadowSocks,
+               QObject::tr("This protocol is no longer supported.") },
+             { DockerContainer::Cloak,
+               QObject::tr("This protocol is no longer supported.") },
              { DockerContainer::WireGuard,
                QObject::tr("WireGuard - popular VPN protocol with high performance, high speed and low power "
                            "consumption.") },
@@ -194,6 +202,9 @@ QMap<DockerContainer, QString> ContainerUtils::containerDetailedDescriptions()
 
 ServiceType ContainerUtils::containerService(DockerContainer c)
 {
+    if (isUnsupportedContainer(c)) {
+        return ServiceType::Vpn;
+    }
     return ProtocolUtils::protocolService(defaultProtocol(c));
 }
 
@@ -202,6 +213,8 @@ Proto ContainerUtils::defaultProtocol(DockerContainer c)
     switch (c) {
     case DockerContainer::None: return Proto::Unknown;
     case DockerContainer::OpenVpn: return Proto::OpenVpn;
+    case DockerContainer::Cloak:
+    case DockerContainer::ShadowSocks: return Proto::Unknown;
     case DockerContainer::WireGuard: return Proto::WireGuard;
     case DockerContainer::Awg2: return Proto::Awg;
     case DockerContainer::Awg: return Proto::Awg;
@@ -252,6 +265,8 @@ bool ContainerUtils::isSupportedByCurrentPlatform(DockerContainer c)
     // macOS build using Network Extension – allow OpenVPN for parity with iOS.
     switch (c) {
     case DockerContainer::OpenVpn: return true;
+    case DockerContainer::Cloak: return false;
+    case DockerContainer::ShadowSocks: return false;
     case DockerContainer::WireGuard: return true;
     case DockerContainer::Awg2: return true;
     case DockerContainer::Awg: return true;
@@ -336,6 +351,10 @@ int ContainerUtils::easySetupOrder(DockerContainer container)
 
 bool ContainerUtils::isShareable(DockerContainer container)
 {
+    if (isUnsupportedContainer(container)) {
+        return false;
+    }
+
     switch (container) {
     case DockerContainer::TorWebSite: return false;
     case DockerContainer::Dns: return false;
@@ -352,6 +371,11 @@ bool ContainerUtils::isAwgContainer(DockerContainer container)
     return container == DockerContainer::Awg || container == DockerContainer::Awg2;
 }
 
+bool ContainerUtils::isUnsupportedContainer(DockerContainer container)
+{
+    return container == DockerContainer::Cloak || container == DockerContainer::ShadowSocks;
+}
+
 QJsonObject ContainerUtils::getProtocolConfigFromContainer(const Proto protocol, const QJsonObject &containerConfig)
 {
     QString protocolConfigString = containerConfig.value(ProtocolUtils::protoToString(protocol))

client/core/utils/containers/containerUtils.h

@@ -45,6 +45,8 @@ namespace amnezia
 
         bool isAwgContainer(DockerContainer container);
 
+        bool isUnsupportedContainer(DockerContainer container);
+
         QJsonObject getProtocolConfigFromContainer(const Proto protocol, const QJsonObject &containerConfig);
 
         int installPageOrder(DockerContainer container);

client/core/utils/errorCodes.h

@@ -38,6 +38,8 @@ namespace amnezia
         XrayServerConfigInvalid = 215,
         XrayServerNoVlessClients = 216,
         XrayRealityKeysReadFailed = 217,
+        ServerContainerRuntimeNotSupported = 218,
+        ContainerRuntimeServiceNotRunning = 219,
 
         // Ssh connection errors
         SshRequestDeniedError = 300,
@@ -79,6 +81,7 @@ namespace amnezia
         ImportBackupFileUseRestoreInstead = 903,
         RestoreBackupInvalidError = 904,
         LegacyApiV1NotSupportedError = 905,
+        LegacyContainerNotSupportedError = 906,
 
         // Android errors
         AndroidError = 1000,
@@ -105,6 +108,8 @@ namespace amnezia
         ApiCaptchaInvalidError = 1118,
         ApiCaptchaRefreshError = 1119,
         ApiRateLimitError = 1120,
+        ApiNoPurchasesToRestore = 1121,
+        ApiPurchasePendingError = 1122,
 
         // QFile errors
         OpenError = 1200,
@@ -112,7 +117,16 @@ 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)
     }
@@ -123,5 +137,3 @@ namespace amnezia
 Q_DECLARE_METATYPE(amnezia::ErrorCode)
 
 #endif // ERRORCODES_H
-
-

client/core/utils/errorStrings.cpp

@@ -39,6 +39,8 @@ QString errorString(ErrorCode code) {
     case(ErrorCode::XrayRealityKeysReadFailed):
         errorMessage = QObject::tr("Server error: failed to read XRay Reality keys from the server");
         break;
+    case(ErrorCode::ServerContainerRuntimeNotSupported): errorMessage = QObject::tr("Server error: The default container runtime available for installation on this server is not supported.\n Install Docker Engine on the server manually and try again."); break;
+    case(ErrorCode::ContainerRuntimeServiceNotRunning): errorMessage = QObject::tr("Container runtime error: The container runtime service is not running.\n Check the container runtime service on the server, or wait about a minute and try again."); break;
 
     // Libssh errors
     case(ErrorCode::SshRequestDeniedError): errorMessage = QObject::tr("SSH request was denied"); break;
@@ -69,6 +71,7 @@ QString errorString(ErrorCode code) {
     case (ErrorCode::ImportBackupFileUseRestoreInstead): errorMessage = QObject::tr("Backup files cannot be imported here. Use 'Restore from backup' instead."); break;
     case (ErrorCode::RestoreBackupInvalidError): errorMessage = QObject::tr("Backup file is corrupted or has invalid format"); break;
     case (ErrorCode::LegacyApiV1NotSupportedError): errorMessage = QObject::tr("This legacy Amnezia subscription format is no longer supported"); break;
+    case (ErrorCode::LegacyContainerNotSupportedError): errorMessage = QObject::tr("This protocol is no longer supported. Please select another protocol or remove this container from the server settings."); break;
     case (ErrorCode::ImportOpenConfigError): errorMessage = QObject::tr("Unable to open config file"); break;
     case (ErrorCode::NoInstalledContainersError): errorMessage = QObject::tr("VPN Protocols is not installed.\n Please install VPN container at first"); break;
 
@@ -97,6 +100,16 @@ QString errorString(ErrorCode code) {
     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::ApiPurchasePendingError): errorMessage = QObject::tr("Your payment is pending confirmation in Google Play. Please complete the payment and then restore your subscription."); 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;
@@ -106,6 +119,15 @@ 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/selfhosted/scriptsRegistry.cpp

@@ -50,6 +50,7 @@ QString amnezia::scriptName(SharedScriptType type)
     switch (type) {
     case SharedScriptType::prepare_host: return QLatin1String("prepare_host.sh");
     case SharedScriptType::install_docker: return QLatin1String("install_docker.sh");
+    case SharedScriptType::install_conntrack: return QLatin1String("install_conntrack.sh");
     case SharedScriptType::build_container: return QLatin1String("build_container.sh");
     case SharedScriptType::remove_container: return QLatin1String("remove_container.sh");
     case SharedScriptType::remove_all_containers: return QLatin1String("remove_all_containers.sh");
@@ -366,6 +367,14 @@ amnezia::ScriptVars amnezia::genTelemtVars(const ContainerConfig &containerConfi
         vars.append({ { "$TELEMT_USE_MIDDLE_PROXY", c.useMiddleProxy ? QLatin1String("true") : QLatin1String("false") } });
         vars.append({ { "$TELEMT_MASK", c.maskEnabled ? QLatin1String("true") : QLatin1String("false") } });
         vars.append({ { "$TELEMT_TLS_EMULATION", c.tlsEmulation ? QLatin1String("true") : QLatin1String("false") } });
+
+        QStringList additionalList;
+        for (const QString &s : c.additionalSecrets) {
+            if (!s.isEmpty()) {
+                additionalList << s;
+            }
+        }
+        vars.append({ { "$TELEMT_ADDITIONAL_SECRETS", additionalList.join(QLatin1Char(',')) } });
     }
 
     return vars;

client/core/utils/selfhosted/scriptsRegistry.h

@@ -21,6 +21,7 @@ enum SharedScriptType {
     // General scripts
     prepare_host,
     install_docker,
+    install_conntrack,
     build_container,
     remove_container,
     remove_all_containers,

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/daemon/daemon.cpp

@@ -390,55 +390,55 @@ bool Daemon::parseConfig(const QJsonObject& obj, InterfaceConfig& config) {
 
   config.m_killSwitchEnabled = QVariant(obj.value("killSwitchOption").toString()).toBool();
 
-  if (!obj.value("Jc").isNull()) {
-    config.m_junkPacketCount = obj.value("Jc").toString();
+  if (const auto jc = obj.value("Jc"); !jc.isUndefined()) {
+    config.m_junkPacketCount = jc.toString();
   }
-  if (!obj.value("Jmin").isNull()) {
-    config.m_junkPacketMinSize = obj.value("Jmin").toString();
+  if (const auto jmin = obj.value("Jmin"); !jmin.isUndefined()) {
+    config.m_junkPacketMinSize = jmin.toString();
   }
-  if (!obj.value("Jmax").isNull()) {
-    config.m_junkPacketMaxSize = obj.value("Jmax").toString();
+  if (const auto jmax = obj.value("Jmax"); !jmax.isUndefined()) {
+    config.m_junkPacketMaxSize = jmax.toString();
   }
-  if (!obj.value("S1").isNull()) {
-    config.m_initPacketJunkSize = obj.value("S1").toString();
+  if (const auto s1 = obj.value("S1"); !s1.isUndefined()) {
+    config.m_initPacketJunkSize = s1.toString();
   }
-  if (!obj.value("S2").isNull()) {
-    config.m_responsePacketJunkSize = obj.value("S2").toString();
+  if (const auto s2 = obj.value("S2"); !s2.isUndefined()) {
+    config.m_responsePacketJunkSize = s2.toString();
   }
-  if (!obj.value("S3").isNull()) {
-    config.m_cookieReplyPacketJunkSize = obj.value("S3").toString();
+  if (const auto s3 = obj.value("S3"); !s3.isUndefined()) {
+    config.m_cookieReplyPacketJunkSize = s3.toString();
   }
-  if (!obj.value("S4").isNull()) {
-    config.m_transportPacketJunkSize = obj.value("S4").toString();
+  if (const auto s4 = obj.value("S4"); !s4.isUndefined()) {
+    config.m_transportPacketJunkSize = s4.toString();
   }
 
-  if (!obj.value("H1").isNull()) {
-    config.m_initPacketMagicHeader = obj.value("H1").toString();
+  if (const auto h1 = obj.value("H1"); !h1.isUndefined()) {
+    config.m_initPacketMagicHeader = h1.toString();
   }
-  if (!obj.value("H2").isNull()) {
-    config.m_responsePacketMagicHeader = obj.value("H2").toString();
+  if (const auto h2 = obj.value("H2"); !h2.isUndefined()) {
+    config.m_responsePacketMagicHeader = h2.toString();
   }
-  if (!obj.value("H3").isNull()) {
-    config.m_underloadPacketMagicHeader = obj.value("H3").toString();
+  if (const auto h3 = obj.value("H3"); !h3.isUndefined()) {
+    config.m_underloadPacketMagicHeader = h3.toString();
   }
-  if (!obj.value("H4").isNull()) {
-    config.m_transportPacketMagicHeader = obj.value("H4").toString();
+  if (const auto h4 = obj.value("H4"); !h4.isUndefined()) {
+    config.m_transportPacketMagicHeader = h4.toString();
   }
 
-  if (!obj.value("I1").isNull()) {
-    config.m_specialJunk["I1"] = obj.value("I1").toString();
+  if (const auto i1 = obj.value("I1"); !i1.isUndefined()) {
+    config.m_specialJunk["I1"] = i1.toString();
   }
-  if (!obj.value("I2").isNull()) {
-    config.m_specialJunk["I2"] = obj.value("I2").toString();
+  if (const auto i2 = obj.value("I2"); !i2.isUndefined()) {
+    config.m_specialJunk["I2"] = i2.toString();
   }
-  if (!obj.value("I3").isNull()) {
-    config.m_specialJunk["I3"] = obj.value("I3").toString();
+  if (const auto i3 = obj.value("I3"); !i3.isUndefined()) {
+    config.m_specialJunk["I3"] = i3.toString();
   }
-  if (!obj.value("I4").isNull()) {
-    config.m_specialJunk["I4"] = obj.value("I4").toString();
+  if (const auto i4 = obj.value("I4"); !i4.isUndefined()) {
+    config.m_specialJunk["I4"] = i4.toString();
   }
-  if (!obj.value("I5").isNull()) {
-    config.m_specialJunk["I5"] = obj.value("I5").toString();
+  if (const auto i5 = obj.value("I5"); !i5.isUndefined()) {
+    config.m_specialJunk["I5"] = i5.toString();
   }
 
   return true;

client/ios/app/Info.plist.in

@@ -82,10 +82,32 @@
 		<key>NSAllowsLocalNetworking</key>
 		<true/>
 	</dict>
+	<key>CFBundleIconName</key>
+	<string>AppIcon</string>
 	<key>CFBundleIcons</key>
-        <dict/>
-        <key>CFBundleIcons~ipad</key>
-        <dict/>
+	<dict>
+		<key>CFBundlePrimaryIcon</key>
+		<dict>
+			<key>CFBundleIconFiles</key>
+			<array>
+				<string>AppIcon</string>
+			</array>
+			<key>CFBundleIconName</key>
+			<string>AppIcon</string>
+		</dict>
+	</dict>
+	<key>CFBundleIcons~ipad</key>
+	<dict>
+		<key>CFBundlePrimaryIcon</key>
+		<dict>
+			<key>CFBundleIconFiles</key>
+			<array>
+				<string>AppIcon</string>
+			</array>
+			<key>CFBundleIconName</key>
+			<string>AppIcon</string>
+		</dict>
+	</dict>
 	<key>UTImportedTypeDeclarations</key>
 	<array>
 		<dict>

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/macos/networkextension/CMakeLists.txt

@@ -25,6 +25,8 @@ set_target_properties(AmneziaVPNNetworkExtension PROPERTIES
 
     XCODE_ATTRIBUTE_INFOPLIST_FILE ${CMAKE_CURRENT_SOURCE_DIR}/Info.plist.in
     XCODE_ATTRIBUTE_LD_RUNPATH_SEARCH_PATHS "@executable_path/../../../../Frameworks @loader_path/../../../../Frameworks"
+
+    XCODE_LINK_BUILD_PHASE_MODE KNOWN_LOCATION
 )
 
 if(DEPLOY)
@@ -118,10 +120,20 @@ target_include_directories(AmneziaVPNNetworkExtension PRIVATE ${CLIENT_ROOT_DIR}
 target_include_directories(AmneziaVPNNetworkExtension 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(AmneziaVPNNetworkExtension PRIVATE amnezia::openvpnadapter)
 
 find_package(awg-apple REQUIRED)
 target_link_libraries(AmneziaVPNNetworkExtension 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(AmneziaVPNNetworkExtension PRIVATE heiher::hev-socks5-tunnel)

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/windows/daemon/windowsdaemon.cpp

@@ -62,12 +62,29 @@ void WindowsDaemon::prepareActivation(const InterfaceConfig& config, int inetAda
 }
 
 void WindowsDaemon::activateSplitTunnel(const InterfaceConfig& config, int vpnAdapterIndex) {
-    if (m_splitTunnelManager == nullptr)
+    if (m_splitTunnelManager == nullptr) {
+        if (config.m_vpnDisabledApps.length() > 0) {
+            logger.error() << "Split tunnel manager is not initialized";
+            emit backendFailure(DaemonError::ERROR_SPLIT_TUNNEL_INIT_FAILURE);
+        }
         return;
+    }
 
   if (config.m_vpnDisabledApps.length() > 0) {
-      m_splitTunnelManager->start(m_inetAdapterIndex, vpnAdapterIndex);
-      m_splitTunnelManager->excludeApps(config.m_vpnDisabledApps);
+      if (!m_splitTunnelManager->start(m_inetAdapterIndex, vpnAdapterIndex)) {
+          logger.error() << "Failed to start split tunnel";
+          emit backendFailure(DaemonError::ERROR_SPLIT_TUNNEL_START_FAILURE);
+          return;
+      }
+      if (!m_splitTunnelManager->excludeApps(config.m_vpnDisabledApps)) {
+          logger.error() << "Failed to apply split tunnel app exclusions";
+          emit backendFailure(DaemonError::ERROR_SPLIT_TUNNEL_EXCLUDE_FAILURE);
+          return;
+      }
+      if (!m_splitTunnelManager->isRunning()) {
+          logger.error() << "Split tunnel did not reach running state";
+          emit backendFailure(DaemonError::ERROR_SPLIT_TUNNEL_START_FAILURE);
+      }
   } else {
       m_splitTunnelManager->stop();
   }
@@ -79,7 +96,9 @@ bool WindowsDaemon::run(Op op, const InterfaceConfig& config) {
       // The Client has sent us a list of disabled apps, but we failed
       // to init the the split tunnel driver.
       // So let the client know this was not possible
+      logger.error() << "Split tunnel manager is not initialized";
       emit backendFailure(DaemonError::ERROR_SPLIT_TUNNEL_INIT_FAILURE);
+      return false;
     }
     return true;
   }
@@ -90,14 +109,20 @@ bool WindowsDaemon::run(Op op, const InterfaceConfig& config) {
   }
   if (config.m_vpnDisabledApps.length() > 0) {
     if (!m_splitTunnelManager->start(m_inetAdapterIndex)) {
+      logger.error() << "Split tunnel start failed";
       emit backendFailure(DaemonError::ERROR_SPLIT_TUNNEL_START_FAILURE);
+      return false;
     };
     if (!m_splitTunnelManager->excludeApps(config.m_vpnDisabledApps)) {
+      logger.error() << "Split tunnel app exclusion failed";
       emit backendFailure(DaemonError::ERROR_SPLIT_TUNNEL_EXCLUDE_FAILURE);
+      return false;
     };
     // Now the driver should be running (State == 4)
     if (!m_splitTunnelManager->isRunning()) {
+      logger.error() << "Split tunnel did not reach running state";
       emit backendFailure(DaemonError::ERROR_SPLIT_TUNNEL_START_FAILURE);
+      return false;
     }
     return true;
   }

client/platforms/windows/daemon/windowsfirewall.cpp

@@ -36,6 +36,8 @@
 // ID for the Firewall Sublayer
 DEFINE_GUID(ST_FW_WINFW_BASELINE_SUBLAYER_KEY, 0xc78056ff, 0x2bc1, 0x4211, 0xaa,
             0xdd, 0x7f, 0x35, 0x8d, 0xef, 0x20, 0x2d);
+DEFINE_GUID(ST_FW_WINFW_DNS_SUBLAYER_KEY, 0x60090787, 0xcca1, 0x4937, 0xaa,
+            0xce, 0x51, 0x25, 0x6e, 0xf4, 0x81, 0xf3);
 // ID for the Mullvad Split-Tunnel Sublayer Provider
 DEFINE_GUID(ST_FW_PROVIDER_KEY, 0xe2c114ee, 0xf32a, 0x4264, 0xa6, 0xcb, 0x3f,
             0xa7, 0x99, 0x63, 0x56, 0xd9);
@@ -49,6 +51,53 @@ constexpr uint8_t LOW_WEIGHT = 0;
 constexpr uint8_t MED_WEIGHT = 7;
 constexpr uint8_t HIGH_WEIGHT = 13;
 constexpr uint8_t MAX_WEIGHT = 15;
+
+bool ensureSublayer(HANDLE wfp, const GUID& key, const wchar_t* name,
+                    const wchar_t* description) {
+  FWPM_SUBLAYER0* maybeLayer = nullptr;
+  DWORD result = FwpmSubLayerGetByKey0(wfp, &key, &maybeLayer);
+  if (result == ERROR_SUCCESS) {
+    logger.debug() << "The Sublayer Already Exists:"
+                   << QString::fromWCharArray(name);
+    FwpmFreeMemory0(reinterpret_cast<void**>(&maybeLayer));
+    return true;
+  }
+  if (result != FWP_E_SUBLAYER_NOT_FOUND) {
+    logger.error() << "FwpmSubLayerGetByKey0 failed. Return value:.\n"
+                   << result;
+    return false;
+  }
+
+  result = FwpmTransactionBegin(wfp, NULL);
+  if (result != ERROR_SUCCESS) {
+    logger.error() << "FwpmTransactionBegin0 failed. Return value:.\n"
+                   << result;
+    return false;
+  }
+
+  FWPM_SUBLAYER0 subLayer;
+  memset(&subLayer, 0, sizeof(subLayer));
+  subLayer.subLayerKey = key;
+  subLayer.displayData.name = const_cast<PWSTR>(name);
+  subLayer.displayData.description = const_cast<PWSTR>(description);
+  subLayer.weight = 0xFFFF;
+
+  result = FwpmSubLayerAdd0(wfp, &subLayer, NULL);
+  if (result != ERROR_SUCCESS) {
+    FwpmTransactionAbort0(wfp);
+    logger.error() << "FwpmSubLayerAdd0 failed. Return value:.\n" << result;
+    return false;
+  }
+
+  result = FwpmTransactionCommit0(wfp);
+  if (result != ERROR_SUCCESS) {
+    logger.error() << "FwpmTransactionCommit0 failed. Return value:.\n"
+                   << result;
+    return false;
+  }
+  logger.debug() << "Initialised Sublayer:" << QString::fromWCharArray(name);
+  return true;
+}
 }  // namespace
 
 WindowsFirewall* WindowsFirewall::create(QObject* parent) {
@@ -116,47 +165,12 @@ bool WindowsFirewall::initSublayer() {
   }
   auto cleanup = qScopeGuard([&] { FwpmEngineClose0(wfp); });
 
-  // Check if the Layer Already Exists
-  FWPM_SUBLAYER0* maybeLayer;
-  result = FwpmSubLayerGetByKey0(wfp, &ST_FW_WINFW_BASELINE_SUBLAYER_KEY,
-                                 &maybeLayer);
-  if (result == ERROR_SUCCESS) {
-    logger.debug() << "The Sublayer Already Exists!";
-    FwpmFreeMemory0((void**)&maybeLayer);
-    return true;
-  }
-
-  // Step 1: Start Transaction
-  result = FwpmTransactionBegin(wfp, NULL);
-  if (result != ERROR_SUCCESS) {
-    logger.error() << "FwpmTransactionBegin0 failed. Return value:.\n"
-                   << result;
-    return false;
-  }
-
-  // Step 3: Add Sublayer
-  FWPM_SUBLAYER0 subLayer;
-  memset(&subLayer, 0, sizeof(subLayer));
-  subLayer.subLayerKey = ST_FW_WINFW_BASELINE_SUBLAYER_KEY;
-  subLayer.displayData.name = (PWSTR)L"Amnezia-SplitTunnel-Sublayer";
-  subLayer.displayData.description =
-      (PWSTR)L"Filters that enforce a good baseline";
-  subLayer.weight = 0xFFFF;
-
-  result = FwpmSubLayerAdd0(wfp, &subLayer, NULL);
-  if (result != ERROR_SUCCESS) {
-    logger.error() << "FwpmSubLayerAdd0 failed. Return value:.\n" << result;
-    return false;
-  }
-  // Step 4: Commit!
-  result = FwpmTransactionCommit0(wfp);
-  if (result != ERROR_SUCCESS) {
-    logger.error() << "FwpmTransactionCommit0 failed. Return value:.\n"
-                   << result;
-    return false;
-  }
-  logger.debug() << "Initialised Sublayer";
-  return true;
+  return ensureSublayer(wfp, ST_FW_WINFW_BASELINE_SUBLAYER_KEY,
+                        L"Amnezia-SplitTunnel-Sublayer",
+                        L"Filters that enforce a good baseline") &&
+         ensureSublayer(wfp, ST_FW_WINFW_DNS_SUBLAYER_KEY,
+                        L"Amnezia-SplitTunnel-DNS-Sublayer",
+                        L"DNS filters for split tunneling");
 }
 
 bool WindowsFirewall::enableInterface(int vpnAdapterIndex) {

client/platforms/windows/daemon/windowssplittunnel.cpp

@@ -24,6 +24,7 @@
 #include <QFileInfo>
 #include <QNetworkInterface>
 #include <QScopeGuard>
+#include <QUrl>
 
 #pragma region
 
@@ -148,6 +149,18 @@ ProcessInfo getProcessInfo(HANDLE process, const PROCESSENTRY32W& processMeta) {
   return pi;
 }
 
+QString normalizeExecutablePath(const QString& path) {
+  QString normalized = path.trimmed();
+  if (normalized.startsWith("file:", Qt::CaseInsensitive)) {
+    const QString localPath = QUrl(normalized).toLocalFile();
+    if (!localPath.isEmpty()) {
+      normalized = localPath;
+    }
+  }
+  normalized.replace('/', '\\');
+  return normalized;
+}
+
 }  // namespace
 
 std::unique_ptr<WindowsSplitTunnel> WindowsSplitTunnel::create(
@@ -287,6 +300,10 @@ bool WindowsSplitTunnel::excludeApps(const QStringList& appPaths) {
 
   logger.debug() << "Pushing new Ruleset for Split-Tunnel " << state;
   auto config = generateAppConfiguration(appPaths);
+  if (config.empty()) {
+    logger.error() << "No valid split-tunnel application rules generated";
+    return false;
+  }
 
   DWORD bytesReturned;
   auto ok = DeviceIoControl(m_driver, IOCTL_SET_CONFIGURATION, &config[0],
@@ -314,7 +331,7 @@ bool WindowsSplitTunnel::start(int inetAdapterIndex, int vpnAdapterIndex) {
     auto ok = DeviceIoControl(m_driver, IOCTL_INITIALIZE, nullptr, 0, nullptr,
                               0, &bytesReturned, nullptr);
     if (!ok) {
-      logger.error() << "Driver init failed";
+      logger.error() << "Driver init failed. Error:" << GetLastError();
       return false;
     }
   }
@@ -323,11 +340,16 @@ bool WindowsSplitTunnel::start(int inetAdapterIndex, int vpnAdapterIndex) {
   if (getState() == STATE_INITIALIZED) {
     logger.debug() << "State is Init, requires process config";
     auto config = generateProcessBlob();
+    if (config.empty()) {
+      logger.error() << "Process configuration blob is empty";
+      return false;
+    }
     auto ok = DeviceIoControl(m_driver, IOCTL_REGISTER_PROCESSES, &config[0],
                               (DWORD)config.size(), nullptr, 0, &bytesReturned,
                               nullptr);
     if (!ok) {
-      logger.error() << "Failed to set Process Config";
+      logger.error() << "Failed to set Process Config. Error:"
+                     << GetLastError();
       return false;
     }
     logger.debug() << "Set Process Config ok || new State:" << stateString();
@@ -340,11 +362,16 @@ bool WindowsSplitTunnel::start(int inetAdapterIndex, int vpnAdapterIndex) {
   logger.debug() << "Driver is  ready || new State:" << stateString();
 
   auto config = generateIPConfiguration(inetAdapterIndex, vpnAdapterIndex);
+  if (config.empty()) {
+    logger.error() << "Network configuration blob is empty. Internet adapter:"
+                   << inetAdapterIndex << "VPN adapter:" << vpnAdapterIndex;
+    return false;
+  }
   auto ok = DeviceIoControl(m_driver, IOCTL_REGISTER_IP_ADDRESSES, &config[0],
                             (DWORD)config.size(), nullptr, 0, &bytesReturned,
                             nullptr);
   if (!ok) {
-    logger.error() << "Failed to set Network Config";
+    logger.error() << "Failed to set Network Config. Error:" << GetLastError();
     return false;
   }
   logger.debug() << "New Network Config Applied || new State:" << stateString();
@@ -404,13 +431,22 @@ std::vector<uint8_t> WindowsSplitTunnel::generateAppConfiguration(
   size_t cummulated_string_size = 0;
   QStringList dosPaths;
   for (auto const& path : appPaths) {
-    auto dosPath = convertPath(path);
+    const QString normalizedPath = normalizeExecutablePath(path);
+    auto dosPath = convertPath(normalizedPath);
+    if (dosPath.isEmpty()) {
+      logger.error() << "Rejecting split-tunnel app path with empty device "
+                        "conversion:"
+                     << normalizedPath;
+      continue;
+    }
     dosPaths.append(dosPath);
     cummulated_string_size += dosPath.toStdWString().size() * sizeof(wchar_t);
-    logger.debug() << dosPath;
+  }
+  if (dosPaths.isEmpty()) {
+    return {};
   }
   size_t bufferSize = sizeof(CONFIGURATION_HEADER) +
-                      (sizeof(CONFIGURATION_ENTRY) * appPaths.size()) +
+                      (sizeof(CONFIGURATION_ENTRY) * dosPaths.size()) +
                       cummulated_string_size;
   std::vector<uint8_t> outBuffer(bufferSize);
 
@@ -418,7 +454,7 @@ std::vector<uint8_t> WindowsSplitTunnel::generateAppConfiguration(
   auto entry = (CONFIGURATION_ENTRY*)(header + 1);
 
   auto stringDest = &outBuffer[0] + sizeof(CONFIGURATION_HEADER) +
-                    (sizeof(CONFIGURATION_ENTRY) * appPaths.size());
+                    (sizeof(CONFIGURATION_ENTRY) * dosPaths.size());
 
   SIZE_T stringOffset = 0;
 
@@ -437,7 +473,7 @@ std::vector<uint8_t> WindowsSplitTunnel::generateAppConfiguration(
     stringOffset += stringLength;
   }
 
-  header->NumEntries = appPaths.length();
+  header->NumEntries = dosPaths.length();
   header->TotalLength = bufferSize;
 
   return outBuffer;
@@ -449,9 +485,7 @@ std::vector<std::byte> WindowsSplitTunnel::generateIPConfiguration(
 
   auto config = reinterpret_cast<IP_ADDRESSES_CONFIG*>(&out[0]);
 
-  auto ifaces = QNetworkInterface::allInterfaces();
-
-    if (vpnAdapterIndex == 0) {
+  if (vpnAdapterIndex == 0) {
     vpnAdapterIndex = WindowsCommons::VPNAdapterIndex();
   }
   // Always the VPN
@@ -520,7 +554,7 @@ std::vector<uint8_t> WindowsSplitTunnel::generateProcessBlob() {
     auto process_handle = OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, FALSE,
                                       currentProcess.th32ProcessID);
 
-    if (process_handle == INVALID_HANDLE_VALUE) {
+    if (process_handle == nullptr) {
       continue;
     }
     ProcessInfo info = getProcessInfo(process_handle, currentProcess);
@@ -640,23 +674,48 @@ bool WindowsSplitTunnel::isInstalled() {
 }
 
 QString WindowsSplitTunnel::convertPath(const QString& path) {
-  auto parts = path.split("/");
+  const QString normalizedPath = normalizeExecutablePath(path);
+  if (normalizedPath.isEmpty()) {
+    logger.error() << "Empty executable path for DOS device conversion";
+    return "";
+  }
+  auto parts = normalizedPath.split("\\", Qt::SkipEmptyParts);
+  if (parts.isEmpty()) {
+    logger.error() << "Invalid executable path for DOS device conversion:"
+                   << normalizedPath;
+    return "";
+  }
   QString driveLetter = parts.takeFirst();
   if (!driveLetter.contains(":") || parts.size() == 0) {
     // device should contain : for e.g C:
+    logger.error() << "Invalid executable path for DOS device conversion:"
+                   << normalizedPath;
     return "";
   }
-  QByteArray buffer(2048, 0xFFu);
-  auto ok = QueryDosDeviceW(qUtf16Printable(driveLetter),
-                            (wchar_t*)buffer.data(), buffer.size() / 2);
-
-  if (ok == ERROR_INSUFFICIENT_BUFFER) {
+  QByteArray buffer(2048 * sizeof(wchar_t), 0);
+  DWORD ok = 0;
+  DWORD err = ERROR_SUCCESS;
+  for (int attempt = 0; attempt < 4; ++attempt) {
+    ok = QueryDosDeviceW(reinterpret_cast<LPCWSTR>(driveLetter.utf16()),
+                         reinterpret_cast<LPWSTR>(buffer.data()),
+                         buffer.size() / sizeof(wchar_t));
+    if (ok != 0) {
+      break;
+    }
+    err = GetLastError();
+    if (err != ERROR_INSUFFICIENT_BUFFER) {
+      WindowsUtils::windowsLog("Err fetching dos path");
+      logger.error() << "QueryDosDeviceW failed for" << driveLetter
+                     << "error:" << err;
+      return "";
+    }
     buffer.resize(buffer.size() * 2);
-    ok = QueryDosDeviceW(qUtf16Printable(driveLetter), (wchar_t*)buffer.data(),
-                         buffer.size() / 2);
+    buffer.fill(0);
   }
   if (ok == 0) {
     WindowsUtils::windowsLog("Err fetching dos path");
+    logger.error() << "QueryDosDeviceW failed after buffer growth for"
+                   << driveLetter << "error:" << err;
     return "";
   }
   QString deviceName;

client/server_scripts/check_server_is_busy.sh

@@ -1,7 +1,8 @@
-if which apt-get > /dev/null 2>&1; then LOCK_CMD="fuser"; LOCK_FILE="/var/lib/dpkg/lock-frontend";\
-elif which dnf > /dev/null 2>&1; then LOCK_CMD="fuser"; LOCK_FILE="/var/cache/dnf/* /var/run/dnf/* /var/lib/dnf/* /var/lib/rpm/*";\
-elif which yum > /dev/null 2>&1; then LOCK_CMD="cat"; LOCK_FILE="/var/run/yum.pid";\
-elif which zypper > /dev/null 2>&1; then LOCK_CMD="cat"; LOCK_FILE="/var/run/zypp.pid";\
-elif which pacman > /dev/null 2>&1; then LOCK_CMD="fuser"; LOCK_FILE="/var/lib/pacman/db.lck";\
-else echo "Packet manager not found"; echo "Internal error"; exit 1; fi;\
-if command -v $LOCK_CMD > /dev/null 2>&1; then sudo $LOCK_CMD $LOCK_FILE 2>/dev/null; else echo "$LOCK_CMD not installed"; fi
+if which apt-get > /dev/null 2>&1 || command -v apt-get > /dev/null 2>&1; then LOCK_CMD="fuser"; LOCK_FILE="/var/lib/dpkg/lock-frontend";\
+elif which dnf > /dev/null 2>&1 || command -v dnf > /dev/null 2>&1; then LOCK_CMD="fuser"; LOCK_FILE="/var/cache/dnf/* /var/run/dnf/* /var/lib/dnf/* /var/lib/rpm/*";\
+elif which yum > /dev/null 2>&1 || command -v yum > /dev/null 2>&1; then LOCK_CMD="cat"; LOCK_FILE="/var/run/yum.pid";\
+elif which zypper > /dev/null 2>&1 || command -v zypper > /dev/null 2>&1; then LOCK_CMD="cat"; LOCK_FILE="/var/run/zypp.pid";\
+elif which pacman > /dev/null 2>&1 || command -v pacman > /dev/null 2>&1; then LOCK_CMD="fuser"; LOCK_FILE="/var/lib/pacman/db.lck";\
+else echo "Packet manager not found"; echo "Internal error"; exit 1;\
+fi;\
+if sudo -n which $LOCK_CMD > /dev/null 2>&1 || command -v $LOCK_CMD > /dev/null 2>&1; then sudo -n $LOCK_CMD $LOCK_FILE 2>/dev/null; else echo "$LOCK_CMD not installed"; fi

client/server_scripts/check_user_in_sudo.sh

@@ -1,8 +1,8 @@
-if which apt-get > /dev/null 2>&1; then pm=$(which apt-get); opt="--version";\
-elif which dnf > /dev/null 2>&1; then pm=$(which dnf); opt="--version";\
-elif which yum > /dev/null 2>&1; then pm=$(which yum); opt="--version";\
-elif which zypper > /dev/null 2>&1; then pm=$(which zypper); opt="--version";\
-elif which pacman > /dev/null 2>&1; then pm=$(which pacman); opt="--version";\
+if pm=$(which apt-get 2>/dev/null || command -v apt-get 2>/dev/null); then opt="--version";\
+elif pm=$(which dnf 2>/dev/null || command -v dnf 2>/dev/null); then opt="--version";\
+elif pm=$(which yum 2>/dev/null || command -v yum 2>/dev/null); then opt="--version";\
+elif pm=$(which zypper 2>/dev/null || command -v zypper 2>/dev/null); then opt="--version";\
+elif pm=$(which pacman 2>/dev/null || command -v pacman 2>/dev/null); then opt="--version";\
 else pm="uname"; opt="-a";\
 fi;\
 CUR_USER=$(whoami 2>/dev/null || echo $HOME | sed 's/.*\///');\

client/server_scripts/install_conntrack.sh

@@ -0,0 +1,10 @@
+if command -v conntrack > /dev/null 2>&1; then echo "conntrack already installed"; exit 0; fi;\
+if which apt-get > /dev/null 2>&1; then pm=$(which apt-get); silent_inst="-yq install --install-recommends"; check_pkgs="-yq update"; conntrack_pkg="conntrack"; dist="debian";\
+elif which dnf > /dev/null 2>&1; then pm=$(which dnf); silent_inst="-yq install"; check_pkgs="-yq check-update"; conntrack_pkg="conntrack-tools"; dist="fedora";\
+elif which yum > /dev/null 2>&1; then pm=$(which yum); silent_inst="-y -q install"; check_pkgs="-y -q check-update"; conntrack_pkg="conntrack-tools"; dist="centos";\
+elif which zypper > /dev/null 2>&1; then pm=$(which zypper); silent_inst="-nq install"; check_pkgs="-nq refresh"; conntrack_pkg="conntrack-tools"; dist="opensuse";\
+elif which pacman > /dev/null 2>&1; then pm=$(which pacman); silent_inst="-S --noconfirm --noprogressbar --quiet"; check_pkgs="-Sup"; conntrack_pkg="conntrack-tools"; dist="archlinux";\
+else echo "Packet manager not found"; exit 0; fi;\
+if [ "$dist" = "debian" ]; then export DEBIAN_FRONTEND=noninteractive; fi;\
+sudo $pm $check_pkgs; sudo $pm $silent_inst $conntrack_pkg;\
+command -v conntrack > /dev/null 2>&1 && echo "conntrack installed" || echo "conntrack install failed"

client/server_scripts/install_docker.sh

@@ -1,25 +1,34 @@
-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";\
-elif which pacman > /dev/null 2>&1; then pm=$(which pacman); silent_inst="-S --noconfirm --noprogressbar --quiet"; check_pkgs="-Sup"; docker_pkg="docker"; dist="archlinux";\
-else echo "Packet manager not found"; exit 1; fi;\
-echo "Dist: $dist, Packet manager: $pm, Install command: $silent_inst, Check pkgs command: $check_pkgs, Docker pkg: $docker_pkg";\
+if pm=$(which apt-get 2>/dev/null || command -v apt-get 2>/dev/null); then silent_inst="-yq install --install-recommends"; what_pkg="-s install"; check_pkgs="-yq update"; docker_pkg="docker.io"; dist="debian";\
+elif pm=$(which dnf 2>/dev/null || command -v dnf 2>/dev/null); then silent_inst="-yq install"; what_pkg="--assumeno install --setopt=tsflags=test"; check_pkgs="-yq check-update"; docker_pkg="docker"; dist="fedora";\
+elif pm=$(which yum 2>/dev/null || command -v yum 2>/dev/null); then silent_inst="-y -q install"; what_pkg="--assumeno install --setopt=tsflags=test"; check_pkgs="-y -q check-update"; docker_pkg="docker"; dist="centos";\
+elif pm=$(which zypper 2>/dev/null || command -v zypper 2>/dev/null); then silent_inst="-nq install"; what_pkg="--dry-run install"; check_pkgs="-nq refresh"; docker_pkg="docker"; dist="suse";\
+elif pm=$(which pacman 2>/dev/null || command -v pacman 2>/dev/null); then silent_inst="-S --noconfirm --noprogressbar --quiet"; what_pkg="-Sp"; check_pkgs="-Sup"; docker_pkg="docker"; dist="archlinux";\
+fi;\
+echo "Dist: $dist, Packet manager: $pm, Install command: $silent_inst, What pkg command: $what_pkg, Check pkgs command: $check_pkgs, Docker pkg: $docker_pkg, Language: $LANG";\
+echo $LANG | grep -qE '^(en_US.UTF-8|C.UTF-8|C)$' || export LC_ALL=C;\
 if [ "$dist" = "debian" ]; then export DEBIAN_FRONTEND=noninteractive; fi;\
 if ! command -v sudo > /dev/null 2>&1; then $pm $check_pkgs; $pm $silent_inst sudo; fi;\
-if ! command -v fuser > /dev/null 2>&1; then sudo $pm $check_pkgs; sudo $pm $silent_inst psmisc; fi;\
-if ! command -v lsof > /dev/null 2>&1; then sudo $pm $check_pkgs; sudo $pm $silent_inst lsof; fi;\
-if ! command -v docker > /dev/null 2>&1; then \
-  sudo $pm $check_pkgs; sudo $pm $silent_inst $docker_pkg;\
-  sleep 5; sudo systemctl enable --now docker; sleep 5;\
+if ! sudo -n sh -c 'command -v which > /dev/null 2>&1'; then sudo -n $pm $check_pkgs; sudo -n $pm $silent_inst which; fi;\
+if ! sudo -n sh -c 'command -v fuser > /dev/null 2>&1'; then sudo -n $pm $check_pkgs; sudo -n $pm $silent_inst psmisc; fi;\
+if ! sudo -n sh -c 'command -v lsof > /dev/null 2>&1'; then sudo -n $pm $check_pkgs; sudo -n $pm $silent_inst lsof; fi;\
+if ! sudo -n sh -c 'command -v docker > /dev/null 2>&1'; then \
+  sudo -n $pm $check_pkgs;\
+  if ! sudo -n $pm $what_pkg $docker_pkg 2>/dev/null | grep -qi podman; then \
+    sudo -n $pm $silent_inst $docker_pkg;\
+    sleep 5; sudo -n systemctl enable --now docker; sleep 5;\
+  else \
+    echo "Container runtime is not supported";\
+    exit 1;\
+  fi;\
 fi;\
-if [ "$(cat /sys/module/apparmor/parameters/enabled 2>/dev/null)" = "Y" ]; then \
-  if ! command -v apparmor_parser > /dev/null 2>&1; then sudo $pm $check_pkgs; sudo $pm $silent_inst apparmor; fi;\
+if [ "$(sudo -n cat /sys/module/apparmor/parameters/enabled 2>/dev/null)" = "Y" ]; then \
+  if ! sudo -n sh -c 'command -v apparmor_parser > /dev/null 2>&1'; then \
+    sudo -n $pm $check_pkgs; sudo -n $pm $silent_inst apparmor;\
+  fi;\
 fi;\
-if [ "$(systemctl is-active docker)" != "active" ]; then \
-  sudo $pm $check_pkgs; sudo $pm $silent_inst $docker_pkg;\
-  sleep 5; sudo systemctl start docker; sleep 5;\
+if [ "$(sudo -n systemctl is-active docker)" != "active" ]; then \
+  sleep 5; sudo -n systemctl start docker; sleep 5;\
+  if [ "$(sudo -n systemctl is-active docker)" != "active" ]; then echo "Container runtime service not running"; fi;\
 fi;\
-if ! command -v sudo > /dev/null 2>&1; then echo "Failed to install sudo, command not found"; exit 1; fi;\
-docker --version;\
+sudo -n docker --version || docker --version;\
 uname -sr

client/server_scripts/remove_all_containers.sh

@@ -1,5 +1,6 @@
 sudo docker ps -a | grep amnezia | awk '{print $1}' | xargs sudo docker stop;\
 sudo docker ps -a | grep amnezia | awk '{print $1}' | xargs sudo docker rm -fv;\
 sudo docker images -a --format table | grep amnezia | awk '{print $3, $1 ":" $2}' | xargs sudo docker rmi;\
+sudo docker volume ls --format '{{.Name}}' | grep '^amnezia-' | xargs -r sudo docker volume rm -f;\
 sudo docker network ls | grep amnezia-dns-net | awk '{print $1}' | xargs sudo docker network rm;\
 sudo rm -frd /opt/amnezia

client/server_scripts/remove_container.sh

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

client/server_scripts/serverScripts.qrc

@@ -18,6 +18,7 @@
         <file>dns/Dockerfile</file>
         <file>dns/run_container.sh</file>
         <file>install_docker.sh</file>
+        <file>install_conntrack.sh</file>
         <file>ipsec/configure_container.sh</file>
         <file>ipsec/Dockerfile</file>
         <file>ipsec/mobileconfig.plist</file>

client/server_scripts/telemt/configure_container.sh

@@ -61,6 +61,12 @@ rm -f /data/config.toml
     echo ""
     echo "[access.users]"
     echo "$TELEMT_USER_NAME = \"$SECRET\""
+    i=1
+    for EXTRA in $(echo "$TELEMT_ADDITIONAL_SECRETS" | tr ',' ' '); do
+        echo "$EXTRA" | grep -qE '^[0-9a-fA-F]{32}$' || continue
+        echo "extra_$i = \"$EXTRA\""
+        i=$((i + 1))
+    done
 } > /data/config.toml
 
 echo "$SECRET" > /data/secret

client/ui/controllers/api/subscriptionUiController.cpp

@@ -227,6 +227,36 @@ bool SubscriptionUiController::importPremiumFromAppStore(const QString &storePro
     return true;
 }
 
+bool SubscriptionUiController::importPremiumFromPlayMarket(const QString &storeProductId)
+{
+#if defined(Q_OS_ANDROID)
+    QString productId = storeProductId.trimmed();
+    if (productId.isEmpty()) {
+        productId = QStringLiteral("premium");
+    }
+
+    int duplicateServerIndex = -1;
+    ErrorCode errorCode = m_subscriptionController->processPlayMarketPurchase(
+        m_apiServicesModel->getCountryCode(),
+        m_apiServicesModel->getSelectedServiceType(),
+        m_apiServicesModel->getSelectedServiceProtocol(),
+        productId,
+        &duplicateServerIndex);
+
+    if (errorCode != ErrorCode::NoError) {
+        if (errorCode == ErrorCode::ApiConfigAlreadyAdded) {
+            emit installServerFromApiFinished(tr("This subscription has already been added"), duplicateServerIndex);
+            return true;
+        }
+        emit errorOccurred(errorCode);
+        return false;
+    }
+
+    emit installServerFromApiFinished(tr("%1 has been added to the app").arg(m_apiServicesModel->getSelectedServiceName()));
+#endif
+    return true;
+}
+
 bool SubscriptionUiController::restoreServiceFromAppStore()
 {
 #if defined(Q_OS_IOS) || defined(MACOS_NE)
@@ -281,6 +311,59 @@ bool SubscriptionUiController::restoreServiceFromAppStore()
     return true;
 }
 
+bool SubscriptionUiController::restoreServiceFromPlayMarket()
+{
+#if defined(Q_OS_ANDROID)
+    const QString premiumServiceType = QStringLiteral("amnezia-premium");
+
+    if (!fillAvailableServices()) {
+        qWarning().noquote() << "[Billing] Unable to fetch services list before restore";
+        emit errorOccurred(ErrorCode::ApiServicesMissingError);
+        return false;
+    }
+
+    if (m_apiServicesModel->rowCount() <= 0) {
+        emit errorOccurred(ErrorCode::ApiServicesMissingError);
+        return false;
+    }
+
+    bool premiumSelected = false;
+    for (int i = 0; i < m_apiServicesModel->rowCount(); ++i) {
+        m_apiServicesModel->setServiceIndex(i);
+        if (m_apiServicesModel->getSelectedServiceType() == premiumServiceType) {
+            premiumSelected = true;
+            break;
+        }
+    }
+
+    if (!premiumSelected) {
+        emit errorOccurred(ErrorCode::ApiServicesMissingError);
+        return false;
+    }
+
+    SubscriptionController::PlayMarketRestoreResult result = m_subscriptionController->processPlayMarketRestore(
+        m_apiServicesModel->getCountryCode(),
+        m_apiServicesModel->getSelectedServiceType(),
+        m_apiServicesModel->getSelectedServiceProtocol());
+
+    if (!result.hasInstalledConfig) {
+        if (result.duplicateConfigAlreadyPresent) {
+            emit installServerFromApiFinished(tr("This subscription has already been added"), result.duplicateServerIndex);
+            return true;
+        }
+        emit errorOccurred(result.errorCode);
+        return false;
+    }
+
+    emit installServerFromApiFinished(tr("Subscription restored successfully."));
+    if (result.duplicateCount > 0) {
+        qInfo().noquote() << "[Billing] Skipped" << result.duplicateCount
+                          << "duplicate restored purchases for tokens already processed";
+    }
+#endif
+    return true;
+}
+
 bool SubscriptionUiController::importFreeFromGateway()
 {
     QString userCountryCode = m_apiServicesModel->getCountryCode();
@@ -475,8 +558,7 @@ bool SubscriptionUiController::deactivateExternalDevice(const QString &serverId,
 void SubscriptionUiController::validateConfig()
 {
     const QString serverId = m_serversController->getDefaultServerId();
-    if (!serverId.isEmpty() && m_serversController->isLegacyApiV1Server(serverId)) {
-        emit unsupportedConnectDrawerRequested();
+    if (serverId.isEmpty()) {
         emit configValidated(false);
         return;
     }

client/ui/controllers/api/subscriptionUiController.h

@@ -45,8 +45,10 @@ public slots:
 
     bool fillAvailableServices();
     bool importPremiumFromAppStore(const QString &storeProductId);
+    bool importPremiumFromPlayMarket(const QString &storeProductId);
     bool importFreeFromGateway();
     bool restoreServiceFromAppStore();
+    bool restoreServiceFromPlayMarket();
     bool importTrialFromGateway(const QString &email);
     bool updateServiceFromGateway(const QString &serverId, const QString &newCountryCode, const QString &newCountryName,
                                   bool reloadServiceConfig = false);

client/ui/controllers/connectionUiController.cpp

@@ -8,6 +8,8 @@
 
 #include "amneziaApplication.h"
 #include "core/controllers/serversController.h"
+#include "core/models/containerConfig.h"
+#include "core/utils/containerEnum.h"
 
 ConnectionUiController::ConnectionUiController(ConnectionController* connectionController,
                                                 ServersController* serversController,
@@ -33,7 +35,7 @@ void ConnectionUiController::openConnection()
     ErrorCode errorCode = m_connectionController->openConnection(serverId);
 
     if (errorCode != ErrorCode::NoError) {
-        emit connectionErrorOccurred(errorCode);
+        notifyConnectionBlocked(errorCode);
         return;
     }
 }
@@ -130,10 +132,36 @@ void ConnectionUiController::toggleConnection()
     } else if (isConnected()) {
         closeConnection();
     } else {
+        const QString serverId = m_serversController->getDefaultServerId();
+        if (serverId.isEmpty()) {
+            return;
+        }
+
+        const ErrorCode errorCode = m_connectionController->isConnectionSupported(serverId);
+        if (errorCode != ErrorCode::NoError) {
+            notifyConnectionBlocked(errorCode);
+            return;
+        }
+
         emit prepareConfig();
     }
 }
 
+void ConnectionUiController::notifyConnectionBlocked(ErrorCode errorCode)
+{
+    if (errorCode == ErrorCode::LegacyApiV1NotSupportedError) {
+        emit unsupportedConnectDrawerRequested();
+        return;
+    }
+
+    if (errorCode == ErrorCode::NoInstalledContainersError) {
+        emit noInstalledContainers();
+        return;
+    }
+
+    emit connectionErrorOccurred(errorCode);
+}
+
 bool ConnectionUiController::isConnectionInProgress() const
 {
     return m_isConnectionInProgress;
@@ -143,3 +171,32 @@ bool ConnectionUiController::isConnected() const
 {
     return m_isConnected;
 }
+
+bool ConnectionUiController::isRevokeBlockedDuringActiveConnection(const QString &serverId, int containerIndex,
+                                                                   const QString &clientId) const
+{
+    if (clientId.isEmpty() || (!isConnected() && !isConnectionInProgress())) {
+        return false;
+    }
+
+    if (m_serversController->getDefaultServerId() != serverId) {
+        return false;
+    }
+
+    if (static_cast<int>(m_serversController->getDefaultContainer(serverId)) != containerIndex) {
+        return false;
+    }
+
+    const auto adminConfig = m_serversController->selfHostedAdminConfig(serverId);
+    if (!adminConfig.has_value()) {
+        return false;
+    }
+
+    const QString connectionClientId =
+            adminConfig->containerConfig(static_cast<DockerContainer>(containerIndex)).protocolConfig.clientId();
+    if (connectionClientId.isEmpty()) {
+        return false;
+    }
+
+    return connectionClientId == clientId || connectionClientId.contains(clientId);
+}

client/ui/controllers/connectionUiController.h

@@ -35,6 +35,8 @@ public slots:
     void openConnection();
     void closeConnection();
 
+    bool isRevokeBlockedDuringActiveConnection(const QString &serverId, int containerIndex, const QString &clientId) const;
+
     ErrorCode getLastConnectionError();
     void onConnectionStateChanged(Vpn::ConnectionState state);
 
@@ -48,9 +50,12 @@ signals:
     void connectButtonClicked();
     void preparingConfig();
     void prepareConfig();
+    void unsupportedConnectDrawerRequested();
+    void noInstalledContainers();
 
 private:
     Vpn::ConnectionState getCurrentConnectionState();
+    void notifyConnectionBlocked(ErrorCode errorCode);
 
     ConnectionController* m_connectionController;
     ServersController* m_serversController;

client/ui/controllers/qml/pageController.cpp

@@ -128,6 +128,11 @@ void PageController::showOnStartup()
     }
 }
 
+bool PageController::shouldStartMinimized() const
+{
+    return m_settingsController->isStartMinimizedEnabled();
+}
+
 bool PageController::isTriggeredByConnectButton()
 {
     return m_isTriggeredByConnectButton;

client/ui/controllers/qml/pageController.h

@@ -123,6 +123,7 @@ public slots:
     void updateNavigationBarColor(const int color);
 
     void showOnStartup();
+    bool shouldStartMinimized() const;
 
     bool isTriggeredByConnectButton();
     void setTriggeredByConnectButton(bool trigger);

client/ui/controllers/selfhosted/exportUiController.cpp

@@ -9,6 +9,13 @@ ExportUiController::ExportUiController(ExportController* exportController, QObje
     : QObject(parent),
       m_exportController(exportController)
 {
+    connect(m_exportController, &ExportController::revokeFinished, this, [this](ErrorCode errorCode) {
+        if (errorCode == ErrorCode::NoError) {
+            emit revokeConfigFinished();
+        } else {
+            emit exportErrorOccurred(errorCode);
+        }
+    });
 }
 
 void ExportUiController::generateFullAccessConfig(const QString &serverId)
@@ -92,7 +99,6 @@ void ExportUiController::updateClientManagementModel(const QString &serverId, in
 void ExportUiController::revokeConfig(int row, const QString &serverId, int containerIndex)
 {
     m_exportController->revokeConfig(row, serverId, containerIndex);
-    emit revokeConfigFinished();
 }
 
 void ExportUiController::renameClient(int row, const QString &clientName, const QString &serverId, int containerIndex)

client/ui/controllers/selfhosted/installUiController.cpp

@@ -9,6 +9,7 @@
 #include <QStandardPaths>
 #include <QFutureWatcher>
 #include <QtConcurrent>
+#include <utility>
 
 #include "core/utils/api/apiUtils.h"
 #include "core/controllers/selfhosted/installController.h"
@@ -75,13 +76,7 @@ InstallUiController::InstallUiController(InstallController *installController,
       m_connectionController(connectionController)
 {
     connect(m_installController, &InstallController::configValidated, this, &InstallUiController::configValidated);
-    connect(m_installController, &InstallController::validationErrorOccurred, this, [this](ErrorCode errorCode) {
-        if (errorCode == ErrorCode::NoInstalledContainersError) {
-            emit noInstalledContainers();
-        } else {
-            emit installationErrorOccurred(errorCode);
-        }
-    });
+    connect(m_installController, &InstallController::validationErrorOccurred, this, &InstallUiController::installationErrorOccurred);
 }
 
 InstallUiController::~InstallUiController()
@@ -217,15 +212,13 @@ void InstallUiController::scanServerForInstalledContainers(const QString &server
     emit installationErrorOccurred(errorCode);
 }
 
-void InstallUiController::updateContainer(const QString &serverId, int containerIndex, int protocolIndex, bool closePage)
+bool InstallUiController::buildContainerConfigFromModel(int containerIndex, int protocolIndex, ContainerConfig &containerConfig)
 {
     DockerContainer container = static_cast<DockerContainer>(containerIndex);
-    
     Proto protocolType = static_cast<Proto>(protocolIndex);
-    
-    ContainerConfig containerConfig;
+
     containerConfig.container = container;
-    
+
     switch (protocolType) {
     case Proto::Awg: {
         containerConfig.protocolConfig = m_awgConfigModel->getProtocolConfig();
@@ -271,6 +264,41 @@ void InstallUiController::updateContainer(const QString &serverId, int container
     }
 #endif
     default:
+        return false;
+    }
+    return true;
+}
+
+void InstallUiController::updateClientConfig(const QString &serverId, int containerIndex, int protocolIndex, bool closePage)
+{
+    DockerContainer container = static_cast<DockerContainer>(containerIndex);
+    Proto protocolType = static_cast<Proto>(protocolIndex);
+
+    ContainerConfig containerConfig;
+    if (!buildContainerConfigFromModel(containerIndex, protocolIndex, containerConfig)) {
+        return;
+    }
+
+    ErrorCode errorCode = m_installController->updateClientConfig(serverId, container, containerConfig);
+
+    if (errorCode == ErrorCode::NoError) {
+        ContainerConfig updatedConfig = m_serversController->getContainerConfig(serverId, container);
+        m_protocolModel->updateModel(updatedConfig);
+        updateProtocolConfigModel(serverId, static_cast<int>(container), static_cast<int>(protocolType));
+        emit updateContainerFinished(tr("Settings updated successfully"), closePage);
+        return;
+    }
+
+    emit installationErrorOccurred(errorCode);
+}
+
+void InstallUiController::updateServerConfig(const QString &serverId, int containerIndex, int protocolIndex, bool closePage)
+{
+    DockerContainer container = static_cast<DockerContainer>(containerIndex);
+    Proto protocolType = static_cast<Proto>(protocolIndex);
+
+    ContainerConfig containerConfig;
+    if (!buildContainerConfigFromModel(containerIndex, protocolIndex, containerConfig)) {
         return;
     }
     ContainerConfig oldContainerConfig = m_serversController->getContainerConfig(serverId, container);
@@ -279,14 +307,17 @@ void InstallUiController::updateContainer(const QString &serverId, int container
             || container == DockerContainer::Xray || container == DockerContainer::SSXray;
 
     if (asyncUpdate) {
-        emit serverIsBusy(true);
+        const bool emitBusy = container == DockerContainer::MtProxy || container == DockerContainer::Telemt;
+        if (emitBusy)
+            emit serverIsBusy(true);
         auto *watcher = new QFutureWatcher<ErrorCode>(this);
         const Proto protocolTypeCopy = protocolType;
         QObject::connect(watcher, &QFutureWatcher<ErrorCode>::finished, this,
-                         [this, watcher, serverId, container, closePage, protocolTypeCopy]() {
+                         [this, watcher, serverId, container, closePage, protocolTypeCopy, emitBusy]() {
                              const ErrorCode errorCode = watcher->result();
                              watcher->deleteLater();
-                             emit serverIsBusy(false);
+                             if (emitBusy)
+                                 emit serverIsBusy(false);
 
                              if (errorCode == ErrorCode::NoError) {
                                  const ContainerConfig updatedConfig =
@@ -305,13 +336,13 @@ void InstallUiController::updateContainer(const QString &serverId, int container
         QFuture<ErrorCode> future =
                 QtConcurrent::run([installController, serverId, container, oldConfigCopy,
                                    newConfigCopy]() mutable -> ErrorCode {
-                    return installController->updateContainer(serverId, container, oldConfigCopy, newConfigCopy);
+                    return installController->updateServerConfig(serverId, container, oldConfigCopy, newConfigCopy);
                 });
         watcher->setFuture(future);
         return;
     }
 
-    ErrorCode errorCode = m_installController->updateContainer(serverId, container, oldContainerConfig, containerConfig);
+    ErrorCode errorCode = m_installController->updateServerConfig(serverId, container, oldContainerConfig, containerConfig);
 
     if (errorCode == ErrorCode::NoError) {
         ContainerConfig updatedConfig = m_serversController->getContainerConfig(serverId, container);
@@ -332,17 +363,27 @@ void InstallUiController::setContainerEnabled(const QString &serverId, int conta
     }
 
     emit serverIsBusy(true);
-    const ErrorCode errorCode = m_installController->setDockerContainerEnabledState(serverId, container, enabled);
-    emit serverIsBusy(false);
 
-    if (errorCode == ErrorCode::NoError) {
-        const ContainerConfig currentConfig = m_serversController->getContainerConfig(serverId, container);
-        m_protocolModel->updateModel(currentConfig);
-        emit setContainerEnabledFinished(enabled);
-        return;
-    }
+    InstallController *installController = m_installController;
+    auto *watcher = new QFutureWatcher<ErrorCode>(this);
+    QObject::connect(watcher, &QFutureWatcher<ErrorCode>::finished, this,
+                     [this, watcher, serverId, container, enabled]() {
+                         const ErrorCode errorCode = watcher->result();
+                         watcher->deleteLater();
+                         emit serverIsBusy(false);
 
-    emit installationErrorOccurred(errorCode);
+                         if (errorCode == ErrorCode::NoError) {
+                             const ContainerConfig currentConfig = m_serversController->getContainerConfig(serverId, container);
+                             m_protocolModel->updateModel(currentConfig);
+                             emit setContainerEnabledFinished(enabled);
+                             return;
+                         }
+                         emit installationErrorOccurred(errorCode);
+                     });
+    QFuture<ErrorCode> future = QtConcurrent::run([installController, serverId, container, enabled]() -> ErrorCode {
+        return installController->setDockerContainerEnabledState(serverId, container, enabled);
+    });
+    watcher->setFuture(future);
 }
 
 void InstallUiController::refreshContainerStatus(const QString &serverId, int containerIndex)
@@ -352,13 +393,23 @@ void InstallUiController::refreshContainerStatus(const QString &serverId, int co
         return;
     }
 
-    int status = 3;
-    const ErrorCode errorCode = m_installController->queryDockerContainerStatus(serverId, container, status);
-    if (errorCode != ErrorCode::NoError) {
-        emit containerStatusRefreshed(3);
-        return;
-    }
-    emit containerStatusRefreshed(status);
+    using StatusResult = std::pair<int, int>; // {status, errorCode}
+    InstallController *installController = m_installController;
+    auto *watcher = new QFutureWatcher<StatusResult>(this);
+    QObject::connect(watcher, &QFutureWatcher<StatusResult>::finished, this, [this, watcher]() {
+        const StatusResult result = watcher->result();
+        watcher->deleteLater();
+        emit containerStatusRefreshed(result.first, result.second);
+    });
+    QFuture<StatusResult> future = QtConcurrent::run([installController, serverId, container]() -> StatusResult {
+        int status = 3;
+        const ErrorCode errorCode = installController->queryDockerContainerStatus(serverId, container, status);
+        if (errorCode != ErrorCode::NoError) {
+            return { 3, static_cast<int>(errorCode) };
+        }
+        return { status, static_cast<int>(ErrorCode::NoError) };
+    });
+    watcher->setFuture(future);
 }
 
 void InstallUiController::refreshContainerDiagnostics(const QString &serverId, int containerIndex, int port)
@@ -368,14 +419,27 @@ void InstallUiController::refreshContainerDiagnostics(const QString &serverId, i
         return;
     }
 
-    MtProxyContainerDiagnostics diag;
-    const ErrorCode errorCode = m_installController->queryMtProxyDiagnostics(serverId, container, port, diag);
-    if (errorCode != ErrorCode::NoError) {
-        emit containerDiagnosticsRefreshed(false, false, -1, QString(), QString());
-        return;
-    }
-    emit containerDiagnosticsRefreshed(diag.portReachable, diag.upstreamReachable, diag.clientsConnected,
-                                       diag.lastConfigRefresh, diag.statsEndpoint);
+    using DiagResult = std::pair<bool, MtProxyContainerDiagnostics>;
+    InstallController *installController = m_installController;
+    auto *watcher = new QFutureWatcher<DiagResult>(this);
+    QObject::connect(watcher, &QFutureWatcher<DiagResult>::finished, this, [this, watcher]() {
+        const DiagResult result = watcher->result();
+        watcher->deleteLater();
+        if (!result.first) {
+            emit containerDiagnosticsRefreshed(false, false, -1, QString(), QString());
+            return;
+        }
+        const MtProxyContainerDiagnostics &diag = result.second;
+        emit containerDiagnosticsRefreshed(diag.portReachable, diag.upstreamReachable, diag.clientsConnected,
+                                           diag.lastConfigRefresh, diag.statsEndpoint);
+    });
+    QFuture<DiagResult> future =
+            QtConcurrent::run([installController, serverId, container, port]() -> DiagResult {
+                MtProxyContainerDiagnostics diag;
+                const ErrorCode errorCode = installController->queryMtProxyDiagnostics(serverId, container, port, diag);
+                return { errorCode == ErrorCode::NoError, diag };
+            });
+    watcher->setFuture(future);
 }
 
 void InstallUiController::fetchContainerSecret(const QString &serverId, int containerIndex)
@@ -385,8 +449,17 @@ void InstallUiController::fetchContainerSecret(const QString &serverId, int cont
         return;
     }
 
-    const QString secret = m_installController->fetchDockerContainerSecret(serverId, container);
-    emit containerSecretFetched(secret);
+    InstallController *installController = m_installController;
+    auto *watcher = new QFutureWatcher<QString>(this);
+    QObject::connect(watcher, &QFutureWatcher<QString>::finished, this, [this, watcher]() {
+        const QString secret = watcher->result();
+        watcher->deleteLater();
+        emit containerSecretFetched(secret);
+    });
+    QFuture<QString> future = QtConcurrent::run([installController, serverId, container]() -> QString {
+        return installController->fetchDockerContainerSecret(serverId, container);
+    });
+    watcher->setFuture(future);
 }
 
 void InstallUiController::rebootServer(const QString &serverId)

client/ui/controllers/selfhosted/installUiController.h

@@ -64,7 +64,8 @@ public slots:
 
     void scanServerForInstalledContainers(const QString &serverId);
 
-    void updateContainer(const QString &serverId, int containerIndex, int protocolIndex, bool closePage = true);
+    void updateServerConfig(const QString &serverId, int containerIndex, int protocolIndex, bool closePage = true);
+    void updateClientConfig(const QString &serverId, int containerIndex, int protocolIndex, bool closePage = true);
 
     void removeServer(const QString &serverId);
     void rebootServer(const QString &serverId);
@@ -113,7 +114,7 @@ signals:
     void removeAllContainersFinished(const QString &finishedMessage);
     void removeContainerFinished(const QString &finishedMessage);
     void setContainerEnabledFinished(bool enabled);
-    void containerStatusRefreshed(int status);
+    void containerStatusRefreshed(int status, int errorCode);
     void containerDiagnosticsRefreshed(bool portReachable, bool upstreamReachable, int clientsConnected,
                                        const QString &lastConfigRefresh, const QString &statsEndpoint);
     void containerSecretFetched(const QString &secret);
@@ -132,7 +133,6 @@ signals:
     void cachedProfileCleared(const QString &message);
     void apiConfigRemoved(const QString &message);
 
-    void noInstalledContainers();
     void configValidated(bool isValid);
 
 private:
@@ -162,6 +162,8 @@ private:
     QString m_privateKeyPassphrase;
     
     void updateProtocolConfigModel(const QString &serverId, int containerIndex, int protocolIndex);
+
+    bool buildContainerConfigFromModel(int containerIndex, int protocolIndex, ContainerConfig &containerConfig);
 };
 
 #endif // INSTALLUICONTROLLER_H