refactor: modify response json

# Conflicts:
#	CMakeLists.txt
#	client/android/src/org/amnezia/vpn/AmneziaActivity.kt

.github/workflows/deploy.yml

@@ -217,11 +217,7 @@ jobs:
         export QT_BIN_DIR="${{ runner.temp }}/Qt/${{ env.QT_VERSION }}/ios/bin"
         export QT_MACOS_ROOT_DIR="${{ runner.temp }}/Qt/${{ env.QT_VERSION }}/macos"
         export PATH=$PATH:~/go/bin
-        sh deploy/build_ios.sh | \
-          sed -e '/-Xcc -DPROD_AGW_PUBLIC_KEY/,/-Xcc/ { /-Xcc/!d; }' -e '/-Xcc -DPROD_AGW_PUBLIC_KEY/d' | \
-          sed -e '/-Xcc -DDEV_AGW_PUBLIC_KEY/,/-Xcc/ { /-Xcc/!d; }' -e '/-Xcc -DDEV_AGW_PUBLIC_KEY/d' | \
-          sed -e '/-DPROD_AGW_PUBLIC_KEY/,/-D/ { /-D/!d; }' -e '/-DPROD_AGW_PUBLIC_KEY/d' | \
-          sed -e '/-DDEV_AGW_PUBLIC_KEY/,/-D/ { /-D/!d; }' -e '/-DDEV_AGW_PUBLIC_KEY/d'
+        sh deploy/build_ios.sh
       env:
         IOS_TRUST_CERT_BASE64: ${{ secrets.IOS_TRUST_CERT_BASE64 }}
         IOS_SIGNING_CERT_BASE64: ${{ secrets.IOS_SIGNING_CERT_BASE64 }}
@@ -260,7 +256,7 @@ jobs:
     - name: 'Setup xcode'
       uses: maxim-lobanov/setup-xcode@v1
       with:
-        xcode-version: '15.4.0'
+        xcode-version: '14.3.1'
 
     - name: 'Install Qt'
       uses: jurplel/install-qt-action@v3
@@ -422,13 +418,13 @@ jobs:
         ANDROID_KEYSTORE_KEY_ALIAS: ${{ secrets.ANDROID_RELEASE_KEYSTORE_KEY_ALIAS }}
         ANDROID_KEYSTORE_KEY_PASS: ${{ secrets.ANDROID_RELEASE_KEYSTORE_KEY_PASS }}
       shell: bash
-      run: ./deploy/build_android.sh --aab --apk all --build-platform ${{ env.ANDROID_BUILD_PLATFORM }}
+      run: ./deploy/build_android.sh --aab --play --apk all --build-platform ${{ env.ANDROID_BUILD_PLATFORM }}
 
     - name: 'Upload x86_64 apk'
       uses: actions/upload-artifact@v4
       with:
         name: AmneziaVPN-android-x86_64
-        path: deploy/build/AmneziaVPN-x86_64-release.apk
+        path: deploy/build/AmneziaVPN-oss-x86_64-release.apk
         compression-level: 0
         retention-days: 7
 
@@ -436,7 +432,7 @@ jobs:
       uses: actions/upload-artifact@v4
       with:
         name: AmneziaVPN-android-x86
-        path: deploy/build/AmneziaVPN-x86-release.apk
+        path: deploy/build/AmneziaVPN-oss-x86-release.apk
         compression-level: 0
         retention-days: 7
 
@@ -444,7 +440,7 @@ jobs:
       uses: actions/upload-artifact@v4
       with:
         name: AmneziaVPN-android-arm64-v8a
-        path: deploy/build/AmneziaVPN-arm64-v8a-release.apk
+        path: deploy/build/AmneziaVPN-oss-arm64-v8a-release.apk
         compression-level: 0
         retention-days: 7
 
@@ -452,7 +448,7 @@ jobs:
       uses: actions/upload-artifact@v4
       with:
         name: AmneziaVPN-android-armeabi-v7a
-        path: deploy/build/AmneziaVPN-armeabi-v7a-release.apk
+        path: deploy/build/AmneziaVPN-oss-armeabi-v7a-release.apk
         compression-level: 0
         retention-days: 7
 
@@ -460,7 +456,7 @@ jobs:
       uses: actions/upload-artifact@v4
       with:
         name: AmneziaVPN-android
-        path: deploy/build/AmneziaVPN-release.aab
+        path: deploy/build/AmneziaVPN-play-release.aab
         compression-level: 0
         retention-days: 7
 

CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.25.0 FATAL_ERROR)
 
 set(PROJECT AmneziaVPN)
 
-project(${PROJECT} VERSION 4.8.2.4
+project(${PROJECT} VERSION 4.8.2.3
         DESCRIPTION "AmneziaVPN"
         HOMEPAGE_URL "https://amnezia.org/"
 )
@@ -11,7 +11,7 @@ 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 2071)
+set(APP_ANDROID_VERSION_CODE 2069)
 
 if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
     set(MZ_PLATFORM_NAME "linux")

README.md

@@ -4,21 +4,21 @@
 [![Build Status](https://github.com/amnezia-vpn/amnezia-client/actions/workflows/deploy.yml/badge.svg?branch=dev)](https://github.com/amnezia-vpn/amnezia-client/actions/workflows/deploy.yml?query=branch:dev)
 [![Gitpod ready-to-code](https://img.shields.io/badge/Gitpod-ready--to--code-blue?logo=gitpod)](https://gitpod.io/#https://github.com/amnezia-vpn/amnezia-client)
 
-[Amnezia](https://amnezia.org) is an open-source VPN client, with a key feature that enables you to deploy your own VPN server on your server.
+Amnezia is an open-source VPN client, with a key feature that enables you to deploy your own VPN server on your server.
 
-[![Image](https://github.com/amnezia-vpn/amnezia-client/blob/dev/metadata/img-readme/uipic4.png)](https://amnezia.org)
+![Image](https://github.com/amnezia-vpn/amnezia-client/blob/dev/metadata/img-readme/uipic4.png)
 
-### [Website](https://amnezia.org) | [Alt website link](https://storage.googleapis.com/kldscp/amnezia.org) | [Documentation](https://docs.amnezia.org) | [Troubleshooting](https://docs.amnezia.org/troubleshooting)
+<br>
 
-> [!TIP]
-> If the [Amnezia website](https://amnezia.org) is blocked in your region, you can use an [Alternative website link](https://storage.googleapis.com/kldscp/amnezia.org).
+<a href="https://amnezia.org/downloads"><img src="https://github.com/amnezia-vpn/amnezia-client/blob/dev/metadata/img-readme/download.png" width="150" style="max-width: 100%;"></a>
+<a href="https://play.google.com/store/search?q=amnezia+vpn&c=apps"><img src="https://github.com/amnezia-vpn/amnezia-client/blob/dev/metadata/img-readme/play.png" width="150" style="max-width: 100%;"></a>
+<a href="https://apps.apple.com/us/app/amneziavpn/id1600529900"><img src="https://github.com/amnezia-vpn/amnezia-client/blob/dev/metadata/img-readme/apl.png" width="150" style="max-width: 100%;"></a>
 
-<a href="https://amnezia.org/downloads"><img src="https://github.com/amnezia-vpn/amnezia-client/blob/dev/metadata/img-readme/download-website.svg" width="150" style="max-width: 100%; margin-right: 10px"></a>
-<a href="https://storage.googleapis.com/kldscp/amnezia.org/downloads"><img src="https://github.com/amnezia-vpn/amnezia-client/blob/dev/metadata/img-readme/download-alt.svg" width="150" style="max-width: 100%;"></a>
+[Alternative download link (mirror)](https://storage.googleapis.com/kldscp/amnezia.org/downloads)
 
 [All releases](https://github.com/amnezia-vpn/amnezia-client/releases)
 
-<br/>
+<br>
 
 <a href="https://www.testiny.io"><img src="https://github.com/amnezia-vpn/amnezia-client/blob/dev/metadata/img-readme/testiny.png" height="28px"></a>
 
@@ -33,8 +33,7 @@
 
 ## Links
 
-- [https://amnezia.org](https://amnezia.org) - Project website | [Alternative link (mirror)](https://storage.googleapis.com/kldscp/amnezia.org)
-- [https://docs.amnezia.org](https://docs.amnezia.org) - Documentation
+- [https://amnezia.org](https://amnezia.org) - project website | [Alternative link (mirror)](https://storage.googleapis.com/kldscp/amnezia.org)
 - [https://www.reddit.com/r/AmneziaVPN](https://www.reddit.com/r/AmneziaVPN) - Reddit  
 - [https://t.me/amnezia_vpn_en](https://t.me/amnezia_vpn_en) - Telegram support channel (English) 
 - [https://t.me/amnezia_vpn_ir](https://t.me/amnezia_vpn_ir) - Telegram support channel (Farsi) 
@@ -183,8 +182,8 @@ Patreon: [https://www.patreon.com/amneziavpn](https://www.patreon.com/amneziavpn
 Bitcoin: bc1q26eevjcg9j0wuyywd2e3uc9cs2w58lpkpjxq6p <br>
 USDT BEP20: 0x6abD576765a826f87D1D95183438f9408C901bE4 <br>
 USDT TRC20: TELAitazF1MZGmiNjTcnxDjEiH5oe7LC9d <br>
-XMR: 48spms39jt1L2L5vyw2RQW6CXD6odUd4jFu19GZcDyKKQV9U88wsJVjSbL4CfRys37jVMdoaWVPSvezCQPhHXUW5UKLqUp3 <br> 
-TON: UQDpU1CyKRmg7L8mNScKk9FRc2SlESuI7N-Hby4nX-CcVmns
+XMR: 48spms39jt1L2L5vyw2RQW6CXD6odUd4jFu19GZcDyKKQV9U88wsJVjSbL4CfRys37jVMdoaWVPSvezCQPhHXUW5UKLqUp3  
+
 ## Acknowledgments
 
 This project is tested with BrowserStack.

client/android/AndroidManifest.xml

@@ -20,7 +20,7 @@
 
     <uses-permission android:name="android.permission.INTERNET" />
     <!-- To request network state -->
-    <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" android:maxSdkVersion="30" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" android:maxSdkVersion="28" />
     <uses-permission android:name="android.permission.CAMERA" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />

client/android/billing/build.gradle.kts

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

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

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

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

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

client/android/build.gradle.kts

@@ -20,6 +20,7 @@ android {
     namespace = "org.amnezia.vpn"
 
     buildFeatures {
+        buildConfig = true
         viewBinding = true
     }
 
@@ -41,17 +42,6 @@ android {
         resourceConfigurations += listOf("en", "ru", "b+zh+Hans")
     }
 
-    sourceSets {
-        getByName("main") {
-            manifest.srcFile("AndroidManifest.xml")
-            java.setSrcDirs(listOf("src"))
-            res.setSrcDirs(listOf("res"))
-            // androyddeployqt creates the folders below
-            assets.setSrcDirs(listOf("assets"))
-            jniLibs.setSrcDirs(listOf("libs"))
-        }
-    }
-
     signingConfigs {
         register("release") {
             storeFile = providers.environmentVariable("ANDROID_KEYSTORE_PATH").orNull?.let { file(it) }
@@ -77,6 +67,36 @@ android {
         }
     }
 
+    flavorDimensions += "billing"
+
+    productFlavors {
+        create("oss") {
+            dimension = "billing"
+        }
+        create("play") {
+            dimension = "billing"
+        }
+    }
+
+    sourceSets {
+        getByName("main") {
+            manifest.srcFile("AndroidManifest.xml")
+            java.setSrcDirs(listOf("src"))
+            res.setSrcDirs(listOf("res"))
+            // androyddeployqt creates the folders below
+            assets.setSrcDirs(listOf("assets"))
+            jniLibs.setSrcDirs(listOf("libs"))
+        }
+
+        getByName("oss") {
+            java.setSrcDirs(listOf("oss"))
+        }
+
+        getByName("play") {
+            java.setSrcDirs(listOf("play"))
+        }
+    }
+
     splits {
         abi {
             isEnable = true
@@ -122,4 +142,9 @@ 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 = "8.5.2"
 kotlin = "1.9.24"
+android-billing = "7.0.0"
 androidx-core = "1.13.1"
 androidx-activity = "1.9.1"
 androidx-annotation = "1.8.2"
@@ -14,6 +15,7 @@ kotlinx-serialization = "1.6.3"
 google-mlkit = "17.3.0"
 
 [libraries]
+android-billing = { module = "com.android.billingclient:billing-ktx", version.ref = "android-billing" }
 androidx-core = { module = "androidx.core:core-ktx", version.ref = "androidx-core" }
 androidx-activity = { module = "androidx.activity:activity-ktx", version.ref = "androidx-activity" }
 androidx-annotation = { module = "androidx.annotation:annotation", version.ref = "androidx-annotation" }

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

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

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

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

client/android/settings.gradle.kts

@@ -31,6 +31,7 @@ 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

@@ -30,6 +30,7 @@ import androidx.annotation.RequiresApi
 import androidx.core.content.ContextCompat
 import java.io.IOException
 import kotlin.LazyThreadSafetyMode.NONE
+import kotlin.coroutines.CoroutineContext
 import kotlin.text.RegexOption.IGNORE_CASE
 import AppListProvider
 import kotlinx.coroutines.CompletableDeferred
@@ -40,7 +41,6 @@ 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
@@ -71,6 +71,7 @@ class AmneziaActivity : QtActivity() {
     private var isInBoundState = false
     private var notificationStateReceiver: BroadcastReceiver? = null
     private lateinit var vpnServiceMessenger: IpcMessenger
+    private lateinit var billingRepository: BillingRepository
 
     private val actionResultHandlers = mutableMapOf<Int, ActivityResultHandler>()
     private val permissionRequestHandlers = mutableMapOf<Int, PermissionRequestHandler>()
@@ -180,6 +181,7 @@ class AmneziaActivity : QtActivity() {
         registerBroadcastReceivers()
         intent?.let(::processIntent)
         runBlocking { vpnProto = proto.await() }
+        billingRepository = BillingPaymentRepository(applicationContext)
     }
 
     private fun loadLibs() {
@@ -647,15 +649,9 @@ 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")
@@ -721,6 +717,47 @@ class AmneziaActivity : QtActivity() {
         }
     }
 
+    @Suppress("unused")
+    fun isPlay(): Boolean = BuildConfig.FLAVOR == "play"
+
+    @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() }
+    }
+
     // workaround for a bug in Qt that causes the mouse click event not to be handled
     // also disable right-click, as it causes the application to crash
     private var lastButtonState = 0
@@ -784,6 +821,13 @@ class AmneziaActivity : QtActivity() {
     /**
      * Utils methods
      */
+    private fun <T> blockingCall(
+        context: CoroutineContext = Dispatchers.Default,
+        block: suspend () -> T
+    ) = runBlocking {
+        mainScope.async(context) { block() }.await()
+    }
+
     companion object {
         private fun actionCodeToString(actionCode: Int): String =
             when (actionCode) {

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

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

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

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

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

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

client/android/wireguard/src/main/kotlin/org/amnezia/vpn/protocol/wireguard/Wireguard.kt

@@ -1,12 +1,11 @@
 package org.amnezia.vpn.protocol.wireguard
 
 import android.net.VpnService.Builder
-import kotlinx.coroutines.CoroutineScope
+import java.io.IOException
+import java.util.Locale
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.cancel
 import kotlinx.coroutines.delay
-import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import org.amnezia.awg.GoBackend
 import org.amnezia.vpn.protocol.Protocol
 import org.amnezia.vpn.protocol.ProtocolState.CONNECTED
@@ -28,8 +27,6 @@ open class Wireguard : Protocol() {
 
     private var tunnelHandle: Int = -1
     protected open val ifName: String = "amn0"
-    private lateinit var scope: CoroutineScope
-    private var statusJob: Job? = null
 
     override val statistics: Statistics
         get() {
@@ -52,17 +49,46 @@ open class Wireguard : Protocol() {
 
     override fun internalInit() {
         if (!isInitialized) loadSharedLibrary(context, "wg-go")
-        if (this::scope.isInitialized) {
-            scope.cancel()
-        }
-        scope = CoroutineScope(Dispatchers.IO)
     }
 
     override suspend fun startVpn(config: JSONObject, vpnBuilder: Builder, protect: (Int) -> Boolean) {
         val wireguardConfig = parseConfig(config)
+        val startTime = System.currentTimeMillis()
         start(wireguardConfig, vpnBuilder, protect)
+        waitForConnection(startTime)
+        state.value = CONNECTED
     }
 
+    private suspend fun waitForConnection(startTime: Long) {
+        Log.d(TAG, "Waiting for connection")
+        withContext(Dispatchers.IO) {
+            val time = String.format(Locale.ROOT,"%.3f", startTime / 1000.0)
+            try {
+                delay(1000)
+                var log = getLogcat(time)
+                Log.v(TAG, "First waiting log: $log")
+                // check that there is a connection log,
+                // to avoid infinite connection
+                if (!log.contains("Attaching to interface")) {
+                    Log.w(TAG, "Logs do not contain a connection log")
+                    return@withContext
+                }
+                while (!log.contains("Received handshake response")) {
+                    delay(1000)
+                    log = getLogcat(time)
+                }
+            } catch (e: IOException) {
+                Log.e(TAG, "Failed to get logcat: $e")
+            }
+        }
+    }
+
+    private fun getLogcat(time: String): String =
+        ProcessBuilder("logcat", "--buffer=main", "--format=raw", "*:S AmneziaWG/awg0", "-t", time)
+            .redirectErrorStream(true)
+            .start()
+            .inputStream.reader().readText()
+
     protected open fun parseConfig(config: JSONObject): WireguardConfig {
         val configData = config.getJSONObject("wireguard_config_data")
         return WireguardConfig.build {
@@ -152,43 +178,6 @@ open class Wireguard : Protocol() {
             tunnelHandle = -1
             throw VpnStartException("Protect VPN interface: permission not granted or revoked")
         }
-        launchStatusJob()
-    }
-
-    private fun launchStatusJob() {
-        Log.d(TAG, "Launch status job")
-        statusJob = scope.launch {
-            while (true) {
-                val lastHandshake = getLastHandshake()
-                Log.v(TAG, "lastHandshake=$lastHandshake")
-                if (lastHandshake == 0L) {
-                    delay(1000)
-                    continue
-                }
-                if (lastHandshake == -2L || lastHandshake > 0L) state.value = CONNECTED
-                else if (lastHandshake == -1L) state.value = DISCONNECTED
-                statusJob = null
-                break
-            }
-        }
-    }
-
-    private fun getLastHandshake(): Long {
-        if (tunnelHandle == -1) {
-            Log.e(TAG, "Trying to get config of a non-existent tunnel")
-            return -1
-        }
-        val config = GoBackend.awgGetConfig(tunnelHandle)
-        if (config == null) {
-            Log.e(TAG, "Failed to get tunnel config")
-            return -2
-        }
-        val lastHandshake = config.lines().find { it.startsWith("last_handshake_time_sec=") }?.substring(24)?.toLong()
-        if (lastHandshake == null) {
-            Log.e(TAG, "Failed to get last_handshake_time_sec")
-            return -2
-        }
-        return lastHandshake
     }
 
     override fun stopVpn() {
@@ -196,8 +185,6 @@ open class Wireguard : Protocol() {
             Log.w(TAG, "Tunnel already down")
             return
         }
-        statusJob?.cancel()
-        statusJob = null
         val handleToClose = tunnelHandle
         tunnelHandle = -1
         GoBackend.awgTurnOff(handleToClose)

client/core/controllers/apiController.cpp

@@ -50,8 +50,6 @@ namespace
         constexpr char authData[] = "auth_data";
     }
 
-    const int requestTimeoutMsecs = 12 * 1000; // 12 secs
-
     ErrorCode checkErrors(const QList<QSslError> &sslErrors, QNetworkReply *reply)
     {
         if (!sslErrors.empty()) {
@@ -179,7 +177,7 @@ void ApiController::fillServerConfig(const QString &protocol, const ApiControlle
 QStringList ApiController::getProxyUrls()
 {
     QNetworkRequest request;
-    request.setTransferTimeout(requestTimeoutMsecs);
+    request.setTransferTimeout(7000);
     request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
     QEventLoop wait;
@@ -282,7 +280,7 @@ void ApiController::updateServerConfigFromApi(const QString &installationUuid, c
 
     if (serverConfig.value(config_key::configVersion).toInt()) {
         QNetworkRequest request;
-        request.setTransferTimeout(requestTimeoutMsecs);
+        request.setTransferTimeout(7000);
         request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
         request.setRawHeader("Authorization", "Api-Key " + serverConfig.value(configKey::accessToken).toString().toUtf8());
         QString endpoint = serverConfig.value(configKey::apiEdnpoint).toString();
@@ -338,7 +336,7 @@ ErrorCode ApiController::getServicesList(QByteArray &responseBody)
 #endif
 
     QNetworkRequest request;
-    request.setTransferTimeout(requestTimeoutMsecs);
+    request.setTransferTimeout(7000);
     request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
     request.setUrl(QString("%1v1/services").arg(m_gatewayEndpoint));
@@ -392,7 +390,7 @@ ErrorCode ApiController::getConfigForService(const QString &installationUuid, co
 #endif
 
     QNetworkRequest request;
-    request.setTransferTimeout(requestTimeoutMsecs);
+    request.setTransferTimeout(7000);
     request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
     request.setUrl(QString("%1v1/config").arg(m_gatewayEndpoint));

client/core/defs.h

@@ -116,7 +116,16 @@ namespace amnezia
         PermissionsError = 1202,
         UnspecifiedError = 1203,
         FatalError = 1204,
-        AbortError = 1205
+        AbortError = 1205,
+
+        // Billing errors
+        BillingCanceled = 1300,
+        BillingError = 1301,
+        BillingGooglePlayError = 1302,
+        BillingUnavailable = 1303,
+        SubscriptionAlreadyOwned = 1304,
+        SubscriptionUnavailable = 1305,
+        BillingNetworkError = 1306,
       };
       Q_ENUM_NS(ErrorCode)
     }

client/core/errorstrings.cpp

@@ -72,6 +72,15 @@ 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/platforms/android/android_controller.cpp

@@ -287,6 +287,51 @@ bool AndroidController::requestAuthentication()
     return result;
 }
 
+bool AndroidController::isPlay()
+{
+    return callActivityMethod<jboolean>("isPlay", "()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

@@ -48,6 +48,12 @@ public:
     bool isNotificationPermissionGranted();
     void requestNotificationPermission();
     bool requestAuthentication();
+    bool isPlay();
+    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/ui/controllers/installController.cpp

@@ -848,6 +848,7 @@ bool InstallController::updateServiceFromApi(const int serverIndex, const QStrin
 
     newServerConfig.insert(configKey::apiConfig, newApiConfig);
     newServerConfig.insert(configKey::authData, authData);
+    newServerConfig.insert(config_key::crc, serverConfig.value(config_key::crc));
     m_serversModel->editServer(newServerConfig, serverIndex);
 
     if (reloadServiceConfig) {

client/ui/qml/Components/ShareConnectionDrawer.qml

@@ -84,7 +84,7 @@ DrawerType2 {
                     Layout.topMargin: 16
 
                     text: qsTr("Share")
-                    leftImageSource: "qrc:/images/controls/share-2.svg"
+                    imageSource: "qrc:/images/controls/share-2.svg"
 
                     KeyNavigation.tab: copyConfigTextButton
 
@@ -120,7 +120,7 @@ DrawerType2 {
                     borderWidth: 1
 
                     text: qsTr("Copy")
-                    leftImageSource: "qrc:/images/controls/copy.svg"
+                    imageSource: "qrc:/images/controls/copy.svg"
 
                     Keys.onReturnPressed: { copyConfigTextButton.clicked() }
                     Keys.onEnterPressed: { copyConfigTextButton.clicked() }
@@ -143,7 +143,7 @@ DrawerType2 {
                     borderWidth: 1
 
                     text: qsTr("Copy config string")
-                    leftImageSource: "qrc:/images/controls/copy.svg"
+                    imageSource: "qrc:/images/controls/copy.svg"
 
                     KeyNavigation.tab: showSettingsButton
                 }

client/ui/qml/Controls2/BasicButtonType.qml

@@ -22,10 +22,9 @@ Button {
     property int borderWidth: 0
     property int borderFocusedWidth: 1
 
-    property string leftImageSource
+    property string imageSource
     property string rightImageSource
-    property string leftImageColor
-    property bool changeLeftImageSize: true
+    property string leftImageColor: textColor
 
     property bool squareLeftSide: false
 
@@ -128,23 +127,18 @@ Button {
             anchors.centerIn: parent
 
             Image {
-                id: leftImage
-                source: root.leftImageSource
-                visible: root.leftImageSource === "" ? false : true
+                Layout.preferredHeight: 20
+                Layout.preferredWidth: 20
+
+                source: root.imageSource
+                visible: root.imageSource === "" ? false : true
 
                 layer {
-                    enabled: leftImageColor !== "" ? true : false
+                    enabled: true
                     effect: ColorOverlay {
                         color: leftImageColor
                     }
                 }
-
-                Component.onCompleted: {
-                    if (root.changeLeftImageSize) {
-                        leftImage.Layout.preferredHeight = 20
-                        leftImage.Layout.preferredWidth = 20
-                    }
-                }
             }
 
             ButtonTextType {

client/ui/qml/Controls2/BusyIndicatorType.qml

@@ -14,7 +14,7 @@ Popup {
     visible: false
 
     Overlay.modal: Rectangle {
-        color: AmneziaStyle.color.translucentMidnightBlack
+        color: Qt.rgba(14/255, 14/255, 17/255, 0.8)
     }
 
     background: Rectangle {

client/ui/qml/Controls2/CardType.qml

@@ -19,7 +19,7 @@ RadioButton {
 
     property string textColor: AmneziaStyle.color.midnightBlack
 
-    property string pressedBorderColor: AmneziaStyle.color.softGoldenApricot
+    property string pressedBorderColor: Qt.rgba(251/255, 178/255, 106/255, 0.3)
     property string selectedBorderColor: AmneziaStyle.color.goldenApricot
     property string defaultBodredColor: AmneziaStyle.color.transparent
     property int borderWidth: 0

client/ui/qml/Controls2/CardWithIconsType.qml

@@ -145,7 +145,6 @@ Button {
 
         cursorShape: Qt.PointingHandCursor
         hoverEnabled: true
-        enabled: root.enabled
 
         onEntered: {
             backgroundRect.color = root.hoveredColor

client/ui/qml/Controls2/DrawerType2.qml

@@ -92,7 +92,7 @@ Item {
         id: background
 
         anchors.fill: parent
-        color: root.isCollapsed ? AmneziaStyle.color.transparent : AmneziaStyle.color.translucentMidnightBlack
+        color: root.isCollapsed ? AmneziaStyle.color.transparent : Qt.rgba(14/255, 14/255, 17/255, 0.8)
 
         Behavior on color {
             PropertyAnimation { duration: 200 }

client/ui/qml/Controls2/PopupType.qml

@@ -24,7 +24,7 @@ Popup {
 
     Overlay.modal: Rectangle {
         visible: root.closeButtonVisible
-        color: AmneziaStyle.color.translucentMidnightBlack
+        color: Qt.rgba(14/255, 14/255, 17/255, 0.8)
     }
 
     onOpened: {

client/ui/qml/Controls2/TextFieldWithHeaderType.qml

@@ -183,7 +183,7 @@ Item {
 
         focusPolicy: Qt.NoFocus
         text: root.buttonText
-        leftImageSource: root.buttonImageSource
+        imageSource: root.buttonImageSource
 
         anchors.top: content.top
         anchors.bottom: content.bottom

client/ui/qml/Controls2/TopCloseButtonType.qml

@@ -14,7 +14,7 @@ Popup {
     visible: false
 
     Overlay.modal: Rectangle {
-        color: AmneziaStyle.color.translucentMidnightBlack
+        color: Qt.rgba(14/255, 14/255, 17/255, 0.8)
     }
 
     background: Rectangle {

client/ui/qml/Modules/Style/AmneziaStyle.qml

@@ -22,9 +22,5 @@ QtObject {
         readonly property color sheerWhite: Qt.rgba(1, 1, 1, 0.12)
         readonly property color translucentWhite: Qt.rgba(1, 1, 1, 0.08)
         readonly property color barelyTranslucentWhite: Qt.rgba(1, 1, 1, 0.05)
-        readonly property color translucentMidnightBlack: Qt.rgba(14/255, 14/255, 17/255, 0.8)
-        readonly property color softGoldenApricot: Qt.rgba(251/255, 178/255, 106/255, 0.3)
-        readonly property color mistyGray: Qt.rgba(215/255, 216/255, 219/255, 0.8)
-        readonly property color cloudyGray: Qt.rgba(215/255, 216/255, 219/255, 0.65)
     }
 }

client/ui/qml/Pages2/PageHome.qml

@@ -98,6 +98,7 @@ PageType {
                 pressedColor: AmneziaStyle.color.sheerWhite
                 disabledColor: AmneziaStyle.color.mutedGray
                 textColor: AmneziaStyle.color.mutedGray
+                leftImageColor: AmneziaStyle.color.transparent
                 borderWidth: 0
 
                 buttonTextLabel.lineHeight: 20
@@ -109,7 +110,7 @@ PageType {
 
                 text: isSplitTunnelingEnabled ? qsTr("Split tunneling enabled") : qsTr("Split tunneling disabled")
 
-                leftImageSource: isSplitTunnelingEnabled ? "qrc:/images/controls/split-tunneling.svg" : ""
+                imageSource: isSplitTunnelingEnabled ? "qrc:/images/controls/split-tunneling.svg" : ""
                 rightImageSource: "qrc:/images/controls/chevron-down.svg"
 
                 Keys.onEnterPressed: splitTunnelingButton.clicked()
@@ -165,7 +166,6 @@ PageType {
 
                 anchors.left: parent.left
                 anchors.right: parent.right
-                spacing: 0
 
                 Component.onCompleted: {
                     drawer.collapsedHeight = collapsed.implicitHeight
@@ -267,39 +267,18 @@ PageType {
 
                 RowLayout {
                     Layout.alignment: Qt.AlignHCenter | Qt.AlignVCenter
-                    Layout.topMargin: 8
-                    Layout.bottomMargin: drawer.isCollapsed ? 44 : ServersModel.isDefaultServerFromApi ? 61 : 16
+                    Layout.bottomMargin: drawer.isCollapsed ? 44 : ServersModel.isDefaultServerFromApi ? 89 : 44
                     spacing: 0
 
-                    BasicButtonType {
-                        enabled: (ServersModel.defaultServerImagePathCollapsed !== "") && drawer.isCollapsed
-                        hoverEnabled: enabled
-
-                        implicitHeight: 36
-
-                        leftPadding: 16
-                        rightPadding: 16
-
-                        defaultColor: AmneziaStyle.color.transparent
-                        hoveredColor: AmneziaStyle.color.translucentWhite
-                        pressedColor: AmneziaStyle.color.sheerWhite
-                        disabledColor: AmneziaStyle.color.transparent
-                        textColor: AmneziaStyle.color.mutedGray
-
-                        buttonTextLabel.lineHeight: 16
-                        buttonTextLabel.font.pixelSize: 13
-                        buttonTextLabel.font.weight: 400
+                    Image {
+                        Layout.rightMargin: 8
+                        visible: source !== ""
+                        source: ServersModel.defaultServerImagePathCollapsed
+                    }
 
+                    LabelTextType {
+                        id: collapsedServerMenuDescription
                         text: drawer.isCollapsed ? ServersModel.defaultServerDescriptionCollapsed : ServersModel.defaultServerDescriptionExpanded
-                        leftImageSource: ServersModel.defaultServerImagePathCollapsed
-                        changeLeftImageSize: false
-
-                        rightImageSource: hoverEnabled ? "qrc:/images/controls/chevron-down.svg" : ""
-
-                        onClicked: {
-                            ServersModel.processedIndex = ServersModel.defaultIndex
-                            PageController.goToPage(PageEnum.PageSettingsServerInfo)
-                        }
                     }
                 }
             }
@@ -337,8 +316,8 @@ PageType {
 
                         rootButtonImageColor: AmneziaStyle.color.midnightBlack
                         rootButtonBackgroundColor: AmneziaStyle.color.paleGray
-                        rootButtonBackgroundHoveredColor: AmneziaStyle.color.mistyGray
-                        rootButtonBackgroundPressedColor: AmneziaStyle.color.cloudyGray
+                        rootButtonBackgroundHoveredColor: Qt.rgba(215, 216, 219, 0.8)
+                        rootButtonBackgroundPressedColor: Qt.rgba(215, 216, 219, 0.65)
                         rootButtonHoveredBorderColor: AmneziaStyle.color.transparent
                         rootButtonDefaultBorderColor: AmneziaStyle.color.transparent
                         rootButtonTextTopMargin: 8

client/ui/qml/Pages2/PageSettingsApiServerInfo.qml

@@ -132,8 +132,8 @@ PageType {
                 implicitHeight: 32
 
                 defaultColor: "transparent"
-                hoveredColor: AmneziaStyle.color.translucentWhite
-                pressedColor: AmneziaStyle.color.sheerWhite
+                hoveredColor: Qt.rgba(1, 1, 1, 0.08)
+                pressedColor: Qt.rgba(1, 1, 1, 0.12)
                 textColor: AmneziaStyle.color.vibrantRed
 
                 text: qsTr("Reload API config")
@@ -172,8 +172,8 @@ PageType {
                 implicitHeight: 32
 
                 defaultColor: "transparent"
-                hoveredColor: AmneziaStyle.color.translucentWhite
-                pressedColor: AmneziaStyle.color.sheerWhite
+                hoveredColor: Qt.rgba(1, 1, 1, 0.08)
+                pressedColor: Qt.rgba(1, 1, 1, 0.12)
                 textColor: AmneziaStyle.color.vibrantRed
 
                 text: qsTr("Remove from application")

client/ui/qml/Pages2/PageSetupWizardApiServicesList.qml

@@ -16,82 +16,83 @@ PageType {
 
     defaultActiveFocusItem: focusItem
 
-    ColumnLayout {
-        id: header
-
+    FlickableType {
+        id: fl
         anchors.top: parent.top
-        anchors.left: parent.left
-        anchors.right: parent.right
-
-        spacing: 0
-
-        Item {
-            id: focusItem
-            KeyNavigation.tab: backButton
-        }
-
-        BackButtonType {
-            id: backButton
-            Layout.topMargin: 20
-//                KeyNavigation.tab: fileButton.rightButton
-        }
-
-        HeaderType {
-            Layout.fillWidth: true
-            Layout.topMargin: 8
-            Layout.rightMargin: 16
-            Layout.leftMargin: 16
-            Layout.bottomMargin: 16
-
-            headerText: qsTr("VPN by Amnezia")
-            descriptionText: qsTr("Choose a VPN service that suits your needs.")
-        }
-    }
-
-    ListView {
-        id: servicesListView
-        anchors.top: header.bottom
-        anchors.right: parent.right
-        anchors.left: parent.left
         anchors.bottom: parent.bottom
-        anchors.topMargin: 16
-        spacing: 0
+        contentHeight: content.height
 
-        currentIndex: 1
-        clip: true
-        model: ApiServicesModel
+        ColumnLayout {
+            id: content
 
-        ScrollBar.vertical: ScrollBar {}
+            anchors.top: parent.top
+            anchors.left: parent.left
+            anchors.right: parent.right
 
-        delegate: Item {
-            implicitWidth: servicesListView.width
-            implicitHeight: delegateContent.implicitHeight
+            spacing: 0
 
-            ColumnLayout {
-                id: delegateContent
+            Item {
+                id: focusItem
+                KeyNavigation.tab: backButton
+            }
 
-                anchors.fill: parent
+            BackButtonType {
+                id: backButton
+                Layout.topMargin: 20
+//                KeyNavigation.tab: fileButton.rightButton
+            }
 
-                CardWithIconsType {
-                    id: card
+            HeaderType {
+                Layout.fillWidth: true
+                Layout.topMargin: 8
+                Layout.rightMargin: 16
+                Layout.leftMargin: 16
+                Layout.bottomMargin: 32
 
-                    Layout.fillWidth: true
-                    Layout.rightMargin: 16
-                    Layout.leftMargin: 16
-                    Layout.bottomMargin: 16
+                headerText: qsTr("VPN by Amnezia")
+                descriptionText: qsTr("Choose a VPN service that suits your needs.")
+            }
 
-                    headerText: name
-                    bodyText: cardDescription
-                    footerText: price
+            ListView {
+                id: containers
+                width: parent.width
+                height: containers.contentItem.height
+                spacing: 16
 
-                    rightImageSource: "qrc:/images/controls/chevron-right.svg"
+                currentIndex: 1
+                interactive: false
+                model: ApiServicesModel
 
-                    enabled: isServiceAvailable
+                delegate: Item {
+                    implicitWidth: containers.width
+                    implicitHeight: delegateContent.implicitHeight
 
-                    onClicked: {
-                        if (isServiceAvailable) {
-                            ApiServicesModel.setServiceIndex(index)
-                            PageController.goToPage(PageEnum.PageSetupWizardApiServiceInfo)
+                    ColumnLayout {
+                        id: delegateContent
+
+                        anchors.top: parent.top
+                        anchors.left: parent.left
+                        anchors.right: parent.right
+
+                        CardWithIconsType {
+                            id: card
+
+                            Layout.fillWidth: true
+                            Layout.rightMargin: 16
+                            Layout.leftMargin: 16
+
+                            headerText: name
+                            bodyText: cardDescription
+                            footerText: price
+
+                            rightImageSource: "qrc:/images/controls/chevron-right.svg"
+
+                            onClicked: {
+                                if (isServiceAvailable) {
+                                    ApiServicesModel.setServiceIndex(index)
+                                    PageController.goToPage(PageEnum.PageSetupWizardApiServiceInfo)
+                                }
+                            }
                         }
                     }
                 }

client/ui/qml/Pages2/PageSetupWizardConfigSource.qml

@@ -47,6 +47,7 @@ PageType {
                 KeyNavigation.tab: textKey.textField
             }
 
+
             HeaderType {
                 property bool isVisible: SettingsController.getInstallationUuid() !== "" || PageController.isStartPageVisible()
 

client/ui/qml/Pages2/PageShare.qml

@@ -573,7 +573,7 @@ PageType {
                 visible: accessTypeSelector.currentIndex === 0
 
                 text: qsTr("Share")
-                leftImageSource: "qrc:/images/controls/share-2.svg"
+                imageSource: "qrc:/images/controls/share-2.svg"                
 
                 Keys.onTabPressed: lastItemTabClicked(focusItem)
 

client/ui/qml/Pages2/PageShareFullAccess.qml

@@ -135,7 +135,7 @@ PageType {
                 Layout.topMargin: 40
 
                 text: qsTr("Share")
-                leftImageSource: "qrc:/images/controls/share-2.svg"
+                imageSource: "qrc:/images/controls/share-2.svg"
 
                 Keys.onTabPressed: lastItemTabClicked(focusItem)
 

deploy/build_android.sh

@@ -23,6 +23,7 @@ Options:
                                   By default, the latest available platform is used
  -m, --move                       Move the build result to the root of the build directory
  -f, --fdroid                     Build for F-Droid
+ -p, --play                       Build AAB for Google Play
  -h, --help                       Display this help
 
 EOT
@@ -30,7 +31,7 @@ EOT
 
 BUILD_TYPE="release"
 
-opts=$(getopt -l debug,aab,apk:,build-platform:,move,fdroid,help -o "dua:b:mfh" -- "$@")
+opts=$(getopt -l debug,aab,apk:,build-platform:,move,fdroid,play,help -o "dua:b:mfph" -- "$@")
 eval set -- "$opts"
 while true; do
   case "$1" in
@@ -40,6 +41,7 @@ while true; do
     -b | --build-platform) ANDROID_BUILD_PLATFORM=$2; shift 2;;
     -m | --move) MOVE_RESULT=1; shift;;
     -f | --fdroid) FDROID=1; shift;;
+    -p | --play) PLAY=1; shift;;
     -h | --help) usage; exit 0;;
     --) shift; break;;
   esac
@@ -149,11 +151,17 @@ if [ -v FDROID ]; then
   BUILD_TYPE="fdroid"
 fi
 
+if [ -v PLAY ]; then
+  AAB_FLAVOR="play"
+else
+  AAB_FLAVOR="oss"
+fi
+
 if [ -v AAB ]; then
-  gradle_opts+=(bundle"${BUILD_TYPE^}")
+  gradle_opts+=(bundle"${AAB_FLAVOR^}${BUILD_TYPE^}")
 fi
 if [ -v ABIS ]; then
-  gradle_opts+=(assemble"${BUILD_TYPE^}")
+  gradle_opts+=(assembleOss"${BUILD_TYPE^}")
 fi
 
 $OUT_APP_DIR/android-build/gradlew \
@@ -164,7 +172,7 @@ $OUT_APP_DIR/android-build/gradlew \
 if [[ -v CI || -v MOVE_RESULT ]]; then
   echo "Moving APK/AAB..."
   if [ -v AAB ]; then
-    mv -u $OUT_APP_DIR/android-build/build/outputs/bundle/$BUILD_TYPE/AmneziaVPN-$BUILD_TYPE.aab \
+    mv -u $OUT_APP_DIR/android-build/build/outputs/bundle/$AAB_FLAVOR"${BUILD_TYPE^}"/AmneziaVPN-$AAB_FLAVOR-$BUILD_TYPE.aab \
        $PROJECT_DIR/deploy/build/
   fi
 
@@ -181,7 +189,7 @@ if [[ -v CI || -v MOVE_RESULT ]]; then
     IFS=';' read -r -a abi_array <<< "$ABIS"
     for ABI in "${abi_array[@]}"
     do
-      mv -u $OUT_APP_DIR/android-build/build/outputs/apk/$BUILD_TYPE/AmneziaVPN-$ABI-$suffix.apk \
+      mv -u $OUT_APP_DIR/android-build/build/outputs/apk/oss/$BUILD_TYPE/AmneziaVPN-oss-$ABI-$suffix.apk \
        $PROJECT_DIR/deploy/build/
     done
   fi

deploy/data/linux/post_install.sh

@@ -19,11 +19,6 @@ date > $LOG_FILE
 echo "Script started" >> $LOG_FILE
 sudo killall -9 $APP_NAME 2>> $LOG_FILE
 
-if command -v steamos-readonly &> /dev/null; then
-        sudo steamos-readonly disable >> $LOG_FILE
-        echo "steamos-readonly disabled" >> $LOG_FILE
-fi
-
 if sudo systemctl is-active --quiet $APP_NAME; then
 	sudo systemctl stop $APP_NAME >> $LOG_FILE
 	sudo systemctl disable $APP_NAME >> $LOG_FILE
@@ -47,11 +42,6 @@ sudo chmod 555 /usr/share/applications/$APP_NAME.desktop >> $LOG_FILE
 
 echo "user desktop creation loop ended" >> $LOG_FILE
 
-if command -v steamos-readonly &> /dev/null; then
-        sudo steamos-readonly enable >> $LOG_FILE
-        echo "steamos-readonly enabled" >> $LOG_FILE
-fi
-
 date >> $LOG_FILE
 echo "Service status:" >> $LOG_FILE
 sudo systemctl status $APP_NAME >> $LOG_FILE

deploy/data/linux/post_uninstall.sh

@@ -13,11 +13,6 @@ date >> $LOG_FILE
 echo "Uninstall Script started" >> $LOG_FILE
 sudo killall -9 $APP_NAME 2>> $LOG_FILE
 
-if command -v steamos-readonly &> /dev/null; then
-	sudo steamos-readonly disable >> $LOG_FILE
-	echo "steamos-readonly disabled" >> $LOG_FILE
-fi
-
 ls /opt/AmneziaVPN/client/lib/* | while IFS=: read -r dir; do
 	sudo unlink $dir  >> $LOG_FILE
 done
@@ -64,11 +59,6 @@ if test -f /usr/share/pixmaps/$APP_NAME.png; then
 
 fi
 
-if command -v steamos-readonly &> /dev/null; then
-	sudo steamos-readonly enable >> $LOG_FILE
-	echo "steamos-readonly enabled" >> $LOG_FILE
-fi
-
 date >> $LOG_FILE
 echo "Service after uninstall status:" >> $LOG_FILE
 sudo systemctl status $APP_NAME >> $LOG_FILE