adding a processed phrase to the server controller

* fix: renewal add status logic

* fix: wakeup activity resumed android

.github/workflows/deploy.yml

@@ -10,10 +10,10 @@ env:
 
 jobs:
   Build-Linux-Ubuntu:
-    runs-on: 4-core
+    runs-on: android-runner
 
     env:
-      QT_VERSION: 6.8.3
+      QT_VERSION: 6.10.1
       QIF_VERSION: 4.7
       PROD_AGW_PUBLIC_KEY: ${{ secrets.PROD_AGW_PUBLIC_KEY }}
       PROD_S3_ENDPOINT: ${{ secrets.PROD_S3_ENDPOINT }}
@@ -58,7 +58,7 @@ jobs:
 
     - name: 'Build project'
       run: |
-        sudo apt-get install libxkbcommon-x11-0
+        sudo apt-get install libxkbcommon-x11-0 libsecret-1-dev
         export QT_BIN_DIR=${{ runner.temp }}/Qt/${{ env.QT_VERSION }}/gcc_64/bin
         export QIF_BIN_DIR=${{ runner.temp }}/Qt/Tools/QtInstallerFramework/${{ env.QIF_VERSION }}/bin
         bash deploy/build_linux.sh
@@ -537,7 +537,7 @@ jobs:
 # ------------------------------------------------------
 
   Build-Android:
-    runs-on: 4-core
+    runs-on: android-runner
 
     env:
       ANDROID_BUILD_PLATFORM: android-36

.github/workflows/tag-upload.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Verify git tag
         run: |
           TAG_NAME=${{ inputs.RELEASE_VERSION }}
-          CMAKE_TAG=$(grep 'project.*VERSION' CMakeLists.txt | sed -E 's/.* ([0-9]+.[0-9]+.[0-9]+.[0-9]+)$/\1/')
+          CMAKE_TAG=$(grep 'set(AMNEZIAVPN_VERSION' CMakeLists.txt | sed -E 's/.*AMNEZIAVPN_VERSION ([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+).*/\1/')
           if [[ "$TAG_NAME" == "$CMAKE_TAG" ]]; then
             echo "Git tag ($TAG_NAME) matches CMakeLists.txt version ($CMAKE_TAG)."
           else

.gitignore

@@ -1,9 +1,5 @@
 # User settings
 *.user
-
-# Gateway configs (contains sensitive endpoints)
-gateway.json
-client/gateway.json
 macOSPackage/
 AmneziaVPN.dmg
 AmneziaVPN.exe
@@ -144,3 +140,6 @@ ios-ne-build.sh
 macos-ne-build.sh
 macos-signed-build.sh
 macos-with-sign-build.sh
+DeveloperIdApplicationCertificate.p12
+DeveloperIdInstallerCertificate.p12
+

.gitmodules

@@ -14,3 +14,7 @@
 [submodule "client/3rd/QSimpleCrypto"]
 	path = client/3rd/QSimpleCrypto
 	url = https://github.com/amnezia-vpn/QSimpleCrypto.git
+[submodule "client/3rd/qtgamepad"]
+	path = client/3rd/qtgamepad
+	url = https://github.com/amnezia-vpn/qtgamepad.git
+	branch = 6.6

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.25.0 FATAL_ERROR)
 
 set(PROJECT AmneziaVPN)
-set(AMNEZIAVPN_VERSION 4.8.12.8)
+set(AMNEZIAVPN_VERSION 4.8.14.5)
 
 project(${PROJECT} VERSION ${AMNEZIAVPN_VERSION}
         DESCRIPTION "AmneziaVPN"
@@ -12,7 +12,7 @@ string(TIMESTAMP CURRENT_DATE "%Y-%m-%d")
 set(RELEASE_DATE "${CURRENT_DATE}")
 
 set(APP_MAJOR_VERSION ${CMAKE_PROJECT_VERSION_MAJOR}.${CMAKE_PROJECT_VERSION_MINOR}.${CMAKE_PROJECT_VERSION_PATCH})
-set(APP_ANDROID_VERSION_CODE 2104)
+set(APP_ANDROID_VERSION_CODE 2118)
 
 if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
     set(MZ_PLATFORM_NAME "linux")
@@ -61,6 +61,9 @@ if(WIN32 AND NOT IOS AND NOT ANDROID AND NOT MACOS_NE)
     set(CPACK_PACKAGE_VENDOR "AmneziaVPN")
     set(CPACK_PACKAGE_VERSION ${AMNEZIAVPN_VERSION})
     set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "AmneziaVPN client")
+    set(AMNEZIA_LICENSE_TXT "${CMAKE_BINARY_DIR}/LICENSE.txt")
+    configure_file("${CMAKE_SOURCE_DIR}/LICENSE" "${AMNEZIA_LICENSE_TXT}" COPYONLY)
+    set(CPACK_RESOURCE_FILE_LICENSE "${AMNEZIA_LICENSE_TXT}")
     set(CPACK_PACKAGE_INSTALL_DIRECTORY "AmneziaVPN")
     set(CPACK_PACKAGE_DIRECTORY "${CMAKE_BINARY_DIR}")
     set(CPACK_PACKAGE_EXECUTABLES "AmneziaVPN" "AmneziaVPN")

README.md

@@ -179,7 +179,7 @@ You may face compiling issues in QT Creator after you've worked in Android Studi
 
 ## License
 
-GPL v3.0
+This project is licensed under the GNU General Public License v3.0 (see LICENSE) and also includes third-party components distributed under their own terms (see THIRD_PARTY_LICENSES.md).
 
 ## Donate
 

THIRD_PARTY_LICENSES.md

@@ -0,0 +1,149 @@
+# Third-Party Licenses
+
+This project is licensed under the GNU General Public License v3.0.
+This file lists third-party software components used by this repository.
+Each component is distributed under its own license as linked below.
+
+---
+
+## QtKeychain
+
+- Source: https://github.com/frankosterfeld/qtkeychain
+- License: BSD License
+- License Text: https://www.gnu.org/licenses/license-list.html#ModifiedBSD
+
+---
+
+## QSimpleCrypto
+
+- Source: https://github.com/n1flh31mur/QSimpleCrypto
+- License: Apache License 2.0
+- License Text: https://github.com/n1flh31mur/QSimpleCrypto/blob/master/LICENSE
+
+---
+
+## SortFilterProxyModel
+
+- Source: https://github.com/oKcerG/SortFilterProxyModel
+- License: MIT License
+- License Text: https://github.com/oKcerG/SortFilterProxyModel/blob/master/LICENSE
+
+---
+
+## QJsonStruct
+
+- Source: https://github.com/Qv2ray/QJsonStruct
+- License: MIT License
+- License Text: https://github.com/Qv2ray/QJsonStruct/blob/master/LICENSE
+
+---
+
+## QR Code Generator (qrcodegen)
+
+- Source: https://github.com/nayuki/QR-Code-generator
+- License: MIT License
+- License Text: https://www.nayuki.io/page/qr-code-generator-library
+
+---
+
+## Qt Gamepad
+
+- Source: https://github.com/qt/qtgamepad
+- License: GNU General Public License v3.0 (GPL-3.0)
+- License Text: https://www.gnu.org/licenses/gpl-3.0.en.html
+
+---
+
+## AmneziaWG Apple (WireGuard)
+
+- Source: https://github.com/amnezia-vpn/amneziawg-apple
+- License: MIT License
+- License Text: https://github.com/amnezia-vpn/amneziawg-apple/blob/master/COPYING
+
+---
+
+## AmneziaWG Android
+
+- Source: https://github.com/amnezia-vpn/amneziawg-go
+- License: MIT License
+- License Text: https://github.com/amnezia-vpn/amneziawg-go/blob/master/LICENSE
+
+---
+
+## Xray Core
+
+- Source: https://github.com/XTLS/Xray-core
+- License: Mozilla Public License 2.0 (MPL-2.0)
+- License Text: https://github.com/XTLS/Xray-core/blob/main/LICENSE
+
+---
+
+## Cloak
+
+- Source: https://github.com/cbeuw/Cloak
+- License: GNU General Public License v3.0 (GPL-3.0)
+- License Text: https://github.com/cbeuw/Cloak/blob/master/LICENSE
+
+---
+
+## Shadowsocks
+
+- Source: https://github.com/shadowsocks/shadowsocks-libev
+- License: GPL-3.0-or-later
+- License Text: http://www.gnu.org/licenses/
+
+---
+
+## OpenSSL
+
+- Source: https://github.com/openssl/openssl
+- License: Apache License 2.0
+- License Text: https://www.openssl.org/source/license.html
+
+---
+
+## libssh
+
+- Source: https://www.libssh.org/
+- License: GNU Lesser General Public License (LGPL)
+- License Text: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
+
+---
+
+## OpenVPNAdapter
+
+- Source: https://github.com/ss-abramchuk/OpenVPNAdapter
+- License: GNU Affero General Public License v3.0 (AGPL-3.0)
+- License Text: https://github.com/ss-abramchuk/OpenVPNAdapter/blob/master/LICENSE
+
+---
+
+## Wintun
+
+- Source: https://www.wintun.net/
+- License: Prebuilt Binaries License
+- License Text: https://github.com/WireGuard/wintun/blob/master/prebuilt-binaries-license.txt
+
+---
+
+## Mullvad Split Tunnel Driver
+
+- Source: https://github.com/mullvad/win-split-tunnel
+- License: GNU General Public License v3.0 (GPL-3.0) and Mozilla Public License Version 2.0
+- License Text: https://github.com/mullvad/win-split-tunnel/blob/master/LICENSE-GPL.md https://github.com/mullvad/win-split-tunnel/blob/master/LICENSE-MPL.txt
+
+---
+
+## tun2socks
+
+- Source: https://github.com/eycorsican/go-tun2socks
+- License: MIT License
+- License Text: https://github.com/eycorsican/go-tun2socks/blob/master/LICENSE
+
+---
+
+## TAP-Windows Driver
+
+- Source: https://github.com/OpenVPN/tap-windows6
+- License: tap-windows6 license
+- License Text: https://github.com/OpenVPN/tap-windows6/blob/master/COPYING

client/CMakeLists.txt

@@ -33,21 +33,6 @@ add_definitions(-DDEV_S3_ENDPOINT="$ENV{DEV_S3_ENDPOINT}")
 add_definitions(-DFREE_V2_ENDPOINT="$ENV{FREE_V2_ENDPOINT}")
 add_definitions(-DPREM_V1_ENDPOINT="$ENV{PREM_V1_ENDPOINT}")
 
-add_definitions(-DAGW_DNS_SERVER="$ENV{AGW_DNS_SERVER}")
-add_definitions(-DAGW_DNS_DOMAIN="$ENV{AGW_DNS_DOMAIN}")
-add_definitions(-DAGW_DNS_PRIMARY="$ENV{AGW_DNS_PRIMARY}")
-add_definitions(-DAGW_DNS_PORT_UDP="$ENV{AGW_DNS_PORT_UDP}")
-add_definitions(-DAGW_DNS_PORT_DOT="$ENV{AGW_DNS_PORT_DOT}")
-add_definitions(-DAGW_DNS_PORT_DOH="$ENV{AGW_DNS_PORT_DOH}")
-add_definitions(-DAGW_DNS_PORT_DOQ="$ENV{AGW_DNS_PORT_DOQ}")
-add_definitions(-DAGW_DNS_DOH_PATH="$ENV{AGW_DNS_DOH_PATH}")
-add_definitions(-DAGW_DNS_RETRY_COUNT="$ENV{AGW_DNS_RETRY_COUNT}")
-add_definitions(-DAGW_DNS_TIMEOUT_MS="$ENV{AGW_DNS_TIMEOUT_MS}")
-
-if(DEFINED ENV{AGW_INSECURE_SSL} AND NOT "$ENV{AGW_INSECURE_SSL}" STREQUAL "" AND NOT "$ENV{AGW_INSECURE_SSL}" STREQUAL "0")
-    add_definitions(-DAGW_INSECURE_SSL=1)
-endif()
-
 if(WIN32 OR (APPLE AND NOT IOS) OR (LINUX AND NOT ANDROID))
     set(PACKAGES ${PACKAGES} Widgets)
 endif()
@@ -74,7 +59,6 @@ target_include_directories(${PROJECT} PUBLIC
 if(WIN32 OR (APPLE AND NOT IOS AND NOT MACOS_NE) OR (LINUX AND NOT ANDROID))
     qt_add_repc_replicas(${PROJECT} ${CMAKE_CURRENT_LIST_DIR}/../ipc/ipc_interface.rep)
     qt_add_repc_replicas(${PROJECT} ${CMAKE_CURRENT_LIST_DIR}/../ipc/ipc_process_interface.rep)
-    qt_add_repc_replicas(${PROJECT} ${CMAKE_CURRENT_LIST_DIR}/../ipc/ipc_process_tun2socks.rep)
 endif()
 
 qt6_add_resources(QRC ${QRC} ${CMAKE_CURRENT_LIST_DIR}/resources.qrc)
@@ -94,6 +78,7 @@ set(AMNEZIAVPN_TS_FILES
 )
 
 file(GLOB_RECURSE AMNEZIAVPN_TS_SOURCES *.qrc *.cpp *.h *.ui)
+list(FILTER AMNEZIAVPN_TS_SOURCES EXCLUDE REGEX "qtgamepad/examples")
 
 qt_create_translation(AMNEZIAVPN_QM_FILES ${AMNEZIAVPN_TS_SOURCES} ${AMNEZIAVPN_TS_FILES})
 
@@ -243,10 +228,13 @@ if(NOT IOS AND NOT ANDROID AND NOT MACOS_NE)
 endif()
 
 target_sources(${PROJECT} PRIVATE ${SOURCES} ${HEADERS} ${RESOURCES} ${QRC} ${I18NQRC})
-qt_finalize_target(${PROJECT})
 
-option(BUILD_TESTS "Build transport integration tests" OFF)
-if(BUILD_TESTS)
-    enable_testing()
-    add_subdirectory(tests)
+# Finalize the executable so Qt can gather/deploy QML modules and plugins correctly (Android needs this).
+if(COMMAND qt_import_qml_plugins)
+    qt_import_qml_plugins(${PROJECT})
+endif()
+if(COMMAND qt_finalize_executable)
+    qt_finalize_executable(${PROJECT})
+else()
+    qt_finalize_target(${PROJECT})
 endif()

client/amnezia_application.cpp

@@ -109,6 +109,16 @@ void AmneziaApplication::init()
             // install filter on main window
             if (auto win = qobject_cast<QQuickWindow*>(obj)) {
                 win->installEventFilter(this);
+#ifdef Q_OS_ANDROID
+                QObject::connect(win, &QQuickWindow::sceneGraphError,
+                    [](QQuickWindow::SceneGraphError, const QString &msg) {
+                        qWarning() << "Scene graph error (suppressed):" << msg;
+                    });
+                // Keep graphics context alive across hide/show cycles to avoid
+                // eglSwapBuffers/makeCurrent being called on a context Android has reclaimed.
+                win->setPersistentSceneGraph(true);
+                win->setPersistentGraphics(true);
+#endif
                 win->show();
             }
         },

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

@@ -26,6 +26,8 @@ import android.os.ParcelFileDescriptor
 import android.os.SystemClock
 import android.provider.OpenableColumns
 import android.provider.Settings
+import android.view.InputDevice
+import android.view.KeyEvent
 import android.view.MotionEvent
 import android.view.View
 import android.view.ViewGroup
@@ -73,6 +75,8 @@ private const val OPEN_FILE_ACTION_CODE = 3
 private const val CHECK_NOTIFICATION_PERMISSION_ACTION_CODE = 4
 
 private const val PREFS_NOTIFICATION_PERMISSION_ASKED = "NOTIFICATION_PERMISSION_ASKED"
+private const val OPEN_FILE_AFTER_RESUME_DELAY_MS = 400L
+private const val KEY_PENDING_OPEN_FILE_URI = "pending_open_file_uri"
 
 class AmneziaActivity : QtActivity() {
 
@@ -89,6 +93,12 @@ class AmneziaActivity : QtActivity() {
     private val actionResultHandlers = mutableMapOf<Int, ActivityResultHandler>()
     private val permissionRequestHandlers = mutableMapOf<Int, PermissionRequestHandler>()
 
+    private var isActivityResumed = false
+    private var hasWindowFocus = false
+    private val resumeHandler = Handler(Looper.getMainLooper())
+    private var pendingOpenFileUri: String? = null
+    private var openFileDeliveryScheduled = false
+
     private val vpnServiceEventHandler: Handler by lazy(NONE) {
         object : Handler(Looper.getMainLooper()) {
             override fun handleMessage(msg: Message) {
@@ -190,11 +200,18 @@ class AmneziaActivity : QtActivity() {
                 doBindService()
             }
         )
+        pendingOpenFileUri = savedInstanceState?.getString(KEY_PENDING_OPEN_FILE_URI)
+        openFileDeliveryScheduled = false
         registerBroadcastReceivers()
         intent?.let(::processIntent)
         runBlocking { vpnProto = proto.await() }
     }
 
+    override fun onSaveInstanceState(outState: Bundle) {
+        super.onSaveInstanceState(outState)
+        pendingOpenFileUri?.let { outState.putString(KEY_PENDING_OPEN_FILE_URI, it) }
+    }
+
     private fun loadLibs() {
         listOf(
             "rsapss",
@@ -260,6 +277,11 @@ class AmneziaActivity : QtActivity() {
     }
 
     override fun onStop() {
+        isActivityResumed = false
+        hasWindowFocus = false
+        // Cancel all pending operations when activity stops
+        resumeHandler.removeCallbacksAndMessages(null)
+        openFileDeliveryScheduled = false
         Log.d(TAG, "Stop Amnezia activity")
         doUnbindService()
         mainScope.launch {
@@ -271,35 +293,129 @@ class AmneziaActivity : QtActivity() {
 
     override fun onWindowFocusChanged(hasFocus: Boolean) {
         super.onWindowFocusChanged(hasFocus)
+        hasWindowFocus = hasFocus
         Log.d(TAG, "Window focus changed: hasFocus=$hasFocus")
+
+        if (!hasFocus) {
+            // Cancel pending operations if window loses focus
+            resumeHandler.removeCallbacksAndMessages(null)
+        } else if (isActivityResumed && Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
+            window.decorView.apply {
+                invalidate()
+                resumeHandler.postDelayed({
+                    if (isActivityResumed && hasWindowFocus && !isFinishing && !isDestroyed) {
+                        sendTouch(1f, 1f)
+                    }
+                }, 50)
+                resumeHandler.postDelayed({
+                    if (isActivityResumed && hasWindowFocus && !isFinishing && !isDestroyed) {
+                        sendTouch(2f, 2f)
+                        requestLayout()
+                        invalidate()
+                    }
+                }, 150)
+            }
+        }
     }
 
+    override fun dispatchKeyEvent(event: KeyEvent): Boolean {
+        val keyCode = event.keyCode
+        val pressed = event.action == KeyEvent.ACTION_DOWN
+
+        when (keyCode) {
+            KeyEvent.KEYCODE_BUTTON_A,
+            KeyEvent.KEYCODE_BUTTON_B,
+            KeyEvent.KEYCODE_BUTTON_X,
+            KeyEvent.KEYCODE_BUTTON_Y,
+            KeyEvent.KEYCODE_BUTTON_START,
+            KeyEvent.KEYCODE_BUTTON_SELECT -> {
+                    nativeGamepadKeyEvent(0, keyCode, pressed)
+                    return true
+            }
+            KeyEvent.KEYCODE_DPAD_CENTER,
+            KeyEvent.KEYCODE_DPAD_UP,
+            KeyEvent.KEYCODE_DPAD_DOWN,
+            KeyEvent.KEYCODE_DPAD_LEFT,
+            KeyEvent.KEYCODE_DPAD_RIGHT -> {
+                    val syntheticKeyCode = if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER) KeyEvent.KEYCODE_ENTER else keyCode
+                    val synthetic = KeyEvent(
+                        event.downTime, event.eventTime, event.action, syntheticKeyCode,
+                        event.repeatCount, event.metaState, -1, event.scanCode,
+                        event.flags, InputDevice.SOURCE_KEYBOARD
+                    )
+                    return super.dispatchKeyEvent(synthetic)
+            }
+        }
+
+        return super.dispatchKeyEvent(event)
+    }
+
+    private external fun nativeGamepadKeyEvent(deviceId: Int, keyCode: Int, pressed: Boolean)
+
     override fun onPause() {
+        // Notify Qt to stop rendering BEFORE super.onPause() destroys the EGL surface.
+        // Using a coroutine here would be too late — the surface is gone by the time
+        // the coroutine runs. A direct synchronous call gives Qt's render thread the
+        // best chance to process visible=false before surface destruction.
+        if (qtInitialized.isCompleted) {
+            QtAndroidController.onActivityPaused()
+        }
         super.onPause()
+        isActivityResumed = false
+        // Cancel all pending operations when activity pauses
+        resumeHandler.removeCallbacksAndMessages(null)
+        openFileDeliveryScheduled = false
         Log.d(TAG, "Pause Amnezia activity")
     }
 
     override fun onResume() {
         super.onResume()
-       /* if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
+        isActivityResumed = true
+        Log.d(TAG, "Resume Amnezia activity")
+        if (qtInitialized.isCompleted) {
+            QtAndroidController.onActivityResumed()
+        }
+
+        if (pendingOpenFileUri != null && !openFileDeliveryScheduled) {
+            val uri = pendingOpenFileUri!!
+            openFileDeliveryScheduled = true
+            resumeHandler.postDelayed({
+                if (!isFinishing && !isDestroyed) {
+                    pendingOpenFileUri = null
+                    openFileDeliveryScheduled = false
+                    mainScope.launch {
+                        qtInitialized.await()
+                        QtAndroidController.onFileOpened(uri)
+                    }
+                }
+            }, OPEN_FILE_AFTER_RESUME_DELAY_MS)
+        }
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
             window.decorView.apply {
                 invalidate()
 
-                postDelayed({
-                    sendTouch(1f, 1f)
+                resumeHandler.postDelayed({
+                    // Check if activity is still resumed and has focus before executing
+                    if (isActivityResumed && hasWindowFocus && !isFinishing && !isDestroyed) {
+                        sendTouch(1f, 1f)
+                    }
                 }, 100)
-                
-                postDelayed({
-                    sendTouch(2f, 2f)
+
+                resumeHandler.postDelayed({
+                    if (isActivityResumed && hasWindowFocus && !isFinishing && !isDestroyed) {
+                        sendTouch(2f, 2f)
+                    }
                 }, 200)
-                
-                postDelayed({
-                    requestLayout()
-                    invalidate()
+
+                resumeHandler.postDelayed({
+                    if (isActivityResumed && hasWindowFocus && !isFinishing && !isDestroyed) {
+                        requestLayout()
+                        invalidate()
+                    }
                 }, 250)
             }
-        }  */      
-        Log.d(TAG, "Resume Amnezia activity")
+        }
     }
 
     private fun configureWindowForEdgeToEdge() {
@@ -337,31 +453,35 @@ class AmneziaActivity : QtActivity() {
         ViewCompat.setOnApplyWindowInsetsListener(window.decorView) { view, windowInsets ->
             val imeInsets = windowInsets.getInsets(WindowInsetsCompat.Type.ime())
             val imeVisible = windowInsets.isVisible(WindowInsetsCompat.Type.ime())
-            
+
             val imeHeight = if (imeVisible) imeInsets.bottom else 0
 
             val density = resources.displayMetrics.density
             val imeHeightDp = (imeHeight / density).toInt()
-            
+
             // Also track system bars (navigation bar, status bar) changes
             val systemBarsInsets = windowInsets.getInsets(WindowInsetsCompat.Type.systemBars())
             val navBarHeight = systemBarsInsets.bottom
             val navBarHeightDp = (navBarHeight / density).toInt()
             val statusBarHeight = systemBarsInsets.top
             val statusBarHeightDp = (statusBarHeight / density).toInt()
-            
+
             mainScope.launch {
                 qtInitialized.await()
                 QtAndroidController.onImeInsetsChanged(imeHeightDp)
                 QtAndroidController.onSystemBarsInsetsChanged(navBarHeightDp, statusBarHeightDp)
             }
-            
+
             // Return windowInsets instead of CONSUMED to allow proper handling
             windowInsets
         }
     }
 
     override fun onDestroy() {
+        isActivityResumed = false
+        hasWindowFocus = false
+        // Cancel all pending operations when activity is destroyed
+        resumeHandler.removeCallbacksAndMessages(null)
         Log.d(TAG, "Destroy Amnezia activity")
         unregisterBroadcastReceiver(notificationStateReceiver)
         notificationStateReceiver = null
@@ -687,9 +807,13 @@ class AmneziaActivity : QtActivity() {
                             grantUriPermission(packageName, this, Intent.FLAG_GRANT_READ_URI_PERMISSION)
                         }?.toString() ?: ""
                         Log.v(TAG, "Open file: $uri")
-                        mainScope.launch {
-                            qtInitialized.await()
-                            QtAndroidController.onFileOpened(uri)
+                        if (uri.isNotEmpty()) {
+                            pendingOpenFileUri = uri
+                        } else {
+                            mainScope.launch {
+                                qtInitialized.await()
+                                QtAndroidController.onFileOpened(uri)
+                            }
                         }
                     }
                 ))
@@ -718,7 +842,7 @@ class AmneziaActivity : QtActivity() {
     @Suppress("unused")
     fun getFd(fileName: String): Int {
         Log.v(TAG, "Get fd for $fileName")
-        return blockingCall {
+        return blockingCall(Dispatchers.IO) {
             try {
                 pfd = contentResolver.openFileDescriptor(Uri.parse(fileName), "r")
                 pfd?.fd ?: -1

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

@@ -1,7 +1,10 @@
 package org.amnezia.vpn
 
 import android.content.ActivityNotFoundException
+import android.content.Context
 import android.content.Intent
+import android.content.pm.PackageManager
+import android.os.Build
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.result.contract.ActivityResultContracts
@@ -11,8 +14,29 @@ private const val TAG = "TvFilePicker"
 
 class TvFilePicker : ComponentActivity() {
 
-    private val fileChooseResultLauncher = registerForActivityResult(ActivityResultContracts.GetContent()) {
-        setResult(RESULT_OK, Intent().apply { data = it })
+    private val fileChooseResultLauncher = 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) {
+                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 {
+                    val name = it.activityInfo.packageName
+                    name.startsWith("com.google.android.tv.frameworkpackagestubs") || name.startsWith("com.android.tv.frameworkpackagestubs")
+                }) {
+                throw ActivityNotFoundException()
+            }
+            return intent
+        }
+    }) {
+        setResult(RESULT_OK, Intent().apply {
+            data = it
+            addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+        })
         finish()
     }
 
@@ -31,7 +55,7 @@ class TvFilePicker : ComponentActivity() {
     private fun getFile() {
         try {
             Log.v(TAG, "getFile")
-            fileChooseResultLauncher.launch("*/*")
+            fileChooseResultLauncher.launch(arrayOf("*/*"))
         } catch (_: ActivityNotFoundException) {
             Log.w(TAG, "Activity not found")
             setResult(RESULT_CANCELED, Intent().apply { putExtra("activityNotFound", true) })

client/android/src/org/amnezia/vpn/qt/QtAndroidController.kt

@@ -31,4 +31,7 @@ object QtAndroidController {
 
     external fun onImeInsetsChanged(heightDp: Int)
     external fun onSystemBarsInsetsChanged(navBarHeightDp: Int, statusBarHeightDp: Int)
+
+    external fun onActivityPaused()
+    external fun onActivityResumed()
 }

client/cmake/3rdparty.cmake

@@ -83,6 +83,26 @@ add_compile_definitions(_WINSOCKAPI_)
 set(BUILD_SHARED_LIBS OFF CACHE BOOL "" FORCE)
 set(BUILD_WITH_QT6 ON)
 add_subdirectory(${CLIENT_ROOT_DIR}/3rd/qtkeychain)
+
+if(ANDROID)
+    # Use qtgamepad from amnezia-vpn/qtgamepad repository
+    # Only if Qt6CorePrivate is available (required by qtgamepad)
+    find_package(Qt6CorePrivate CONFIG QUIET)
+    if(Qt6CorePrivate_FOUND)
+        add_subdirectory(${CLIENT_ROOT_DIR}/3rd/qtgamepad)
+        # Link both the C++ module and QML plugin
+        if(TARGET GamepadLegacy)
+            target_link_libraries(${PROJECT} PRIVATE GamepadLegacy)
+        endif()
+        if(TARGET GamepadLegacyQuickPrivate)
+            target_link_libraries(${PROJECT} PRIVATE GamepadLegacyQuickPrivate)
+        endif()
+        message(STATUS "Gamepad support enabled for Android")
+    else()
+        message(STATUS "Qt6CorePrivate not found. Gamepad support disabled for Android.")
+    endif()
+endif()
+
 set(LIBS ${LIBS} qt6keychain)
 
 include_directories(

client/cmake/macos_ne.cmake

@@ -163,7 +163,7 @@ add_custom_command(TARGET ${PROJECT} POST_BUILD
     COMMAND ${CMAKE_COMMAND} -E make_directory
             $<TARGET_BUNDLE_DIR:AmneziaVPN>/Contents/Frameworks
     COMMAND /usr/bin/find "$<TARGET_BUNDLE_DIR:AmneziaVPN>/Contents/Frameworks/OpenVPNAdapter.framework" -name "*.sha256" -delete
-    COMMAND /usr/bin/codesign --force --sign "Apple Distribution"
+    COMMAND /usr/bin/codesign --force --sign "Apple Distribution: Privacy Technologies OU"
             "$<TARGET_BUNDLE_DIR:AmneziaVPN>/Contents/Frameworks/OpenVPNAdapter.framework/Versions/Current/OpenVPNAdapter"
     COMMAND ${QT_BIN_DIR_DETECTED}/macdeployqt $<TARGET_BUNDLE_DIR:AmneziaVPN> -appstore-compliant -qmldir=${CMAKE_CURRENT_SOURCE_DIR}
     COMMENT "Signing OpenVPNAdapter framework"

client/cmake/sources.cmake

@@ -23,12 +23,6 @@ set(HEADERS ${HEADERS}
     ${CMAKE_CURRENT_BINARY_DIR}/version.h
     ${CLIENT_ROOT_DIR}/core/sshclient.h
     ${CLIENT_ROOT_DIR}/core/networkUtilities.h
-    ${CLIENT_ROOT_DIR}/core/transport/igatewaytransport.h
-    ${CLIENT_ROOT_DIR}/core/transport/httpGatewayTransport.h
-    ${CLIENT_ROOT_DIR}/core/transport/dnsGatewayTransport.h
-    ${CLIENT_ROOT_DIR}/core/transport/dns/dnsResolver.h
-    ${CLIENT_ROOT_DIR}/core/transport/dns/dnsTunnel.h
-    ${CLIENT_ROOT_DIR}/core/transport/dns/dnsPacket_p.h
     ${CLIENT_ROOT_DIR}/core/serialization/serialization.h
     ${CLIENT_ROOT_DIR}/core/serialization/transfer.h
     ${CLIENT_ROOT_DIR}/../common/logger/logger.h
@@ -74,11 +68,6 @@ set(SOURCES ${SOURCES}
     ${CLIENT_ROOT_DIR}/protocols/vpnprotocol.cpp
     ${CLIENT_ROOT_DIR}/core/sshclient.cpp
     ${CLIENT_ROOT_DIR}/core/networkUtilities.cpp
-    ${CLIENT_ROOT_DIR}/core/transport/httpGatewayTransport.cpp
-    ${CLIENT_ROOT_DIR}/core/transport/dnsGatewayTransport.cpp
-    ${CLIENT_ROOT_DIR}/core/transport/dns/dnsResolver.cpp
-    ${CLIENT_ROOT_DIR}/core/transport/dns/dnsTunnel.cpp
-    ${CLIENT_ROOT_DIR}/core/transport/dns/dnsPacket.cpp
     ${CLIENT_ROOT_DIR}/core/serialization/outbound.cpp
     ${CLIENT_ROOT_DIR}/core/serialization/inbound.cpp
     ${CLIENT_ROOT_DIR}/core/serialization/ss.cpp
@@ -192,7 +181,6 @@ if(WIN32 OR (APPLE AND NOT IOS AND NOT MACOS_NE) OR (LINUX AND NOT ANDROID))
 
     set(HEADERS ${HEADERS}
         ${CLIENT_ROOT_DIR}/core/ipcclient.h
-        ${CLIENT_ROOT_DIR}/core/privileged_process.h
         ${CLIENT_ROOT_DIR}/ui/systemtray_notificationhandler.h
         ${CLIENT_ROOT_DIR}/protocols/openvpnprotocol.h
         ${CLIENT_ROOT_DIR}/protocols/openvpnovercloakprotocol.h
@@ -205,7 +193,6 @@ if(WIN32 OR (APPLE AND NOT IOS AND NOT MACOS_NE) OR (LINUX AND NOT ANDROID))
 
     set(SOURCES ${SOURCES}
         ${CLIENT_ROOT_DIR}/core/ipcclient.cpp
-        ${CLIENT_ROOT_DIR}/core/privileged_process.cpp
         ${CLIENT_ROOT_DIR}/mozilla/localsocketcontroller.cpp
         ${CLIENT_ROOT_DIR}/ui/systemtray_notificationhandler.cpp
         ${CLIENT_ROOT_DIR}/protocols/openvpnprotocol.cpp

client/core/api/apiDefs.h

@@ -10,8 +10,10 @@ namespace apiDefs
         AmneziaFreeV3,
         AmneziaPremiumV1,
         AmneziaPremiumV2,
+        AmneziaTrialV2,
         SelfHosted,
-        ExternalPremium
+        ExternalPremium,
+        ExternalTrial
     };
 
     enum ConfigSource {
@@ -32,6 +34,7 @@ namespace apiDefs
         constexpr QLatin1String stackType("stack_type");
         constexpr QLatin1String serviceType("service_type");
         constexpr QLatin1String cliVersion("cli_version");
+        constexpr QLatin1String cliName("cli_name");
         constexpr QLatin1String supportedProtocols("supported_protocols");
 
         constexpr QLatin1String vpnKey("vpn_key");
@@ -79,7 +82,7 @@ namespace apiDefs
         constexpr QLatin1String adEndpoint("ad_endpoint");
     }
 
-    const int requestTimeoutMsecs = 30 * 1000; // 30 secs (increased for DNS transport testing)
+    const int requestTimeoutMsecs = 12 * 1000; // 12 secs
 }
 
 #endif // APIDEFS_H

client/core/api/apiUtils.cpp

@@ -58,18 +58,24 @@ apiDefs::ConfigType apiUtils::getConfigType(const QJsonObject &serverConfigObjec
     };
     case apiDefs::ConfigSource::AmneziaGateway: {
         constexpr QLatin1String servicePremium("amnezia-premium");
+        constexpr QLatin1String serviceTrial("amnezia-trial");
         constexpr QLatin1String serviceFree("amnezia-free");
         constexpr QLatin1String serviceExternalPremium("external-premium");
+        constexpr QLatin1String serviceExternalTrial("external-trial");
 
         auto apiConfigObject = serverConfigObject.value(apiDefs::key::apiConfig).toObject();
         auto serviceType = apiConfigObject.value(apiDefs::key::serviceType).toString();
 
         if (serviceType == servicePremium) {
             return apiDefs::ConfigType::AmneziaPremiumV2;
+        } else if (serviceType == serviceTrial) {
+            return apiDefs::ConfigType::AmneziaTrialV2;
         } else if (serviceType == serviceFree) {
             return apiDefs::ConfigType::AmneziaFreeV3;
         } else if (serviceType == serviceExternalPremium) {
             return apiDefs::ConfigType::ExternalPremium;
+        } else if (serviceType == serviceExternalTrial) {
+            return apiDefs::ConfigType::ExternalTrial;
         }
     }
     default: {
@@ -90,6 +96,7 @@ amnezia::ErrorCode apiUtils::checkNetworkReplyErrors(const QList<QSslError> &ssl
     const int httpStatusCodeConflict = 409;
     const int httpStatusCodeNotFound = 404;
     const int httpStatusCodeNotImplemented = 501;
+    const int httpStatusCodeUnprocessableEntity = 422;
 
     if (!sslErrors.empty()) {
         qDebug().noquote() << sslErrors;
@@ -122,6 +129,8 @@ amnezia::ErrorCode apiUtils::checkNetworkReplyErrors(const QList<QSslError> &ssl
             return amnezia::ErrorCode::ApiNotFoundError;
         } else if (httpStatusFromBody == httpStatusCodeNotImplemented) {
             return amnezia::ErrorCode::ApiUpdateRequestError;
+        } else if (httpStatusFromBody == httpStatusCodeUnprocessableEntity) {
+            return amnezia::ErrorCode::ApiSubscriptionExpiredError;
         }
         return amnezia::ErrorCode::ApiConfigDownloadError;
     }
@@ -133,7 +142,8 @@ amnezia::ErrorCode apiUtils::checkNetworkReplyErrors(const QList<QSslError> &ssl
 bool apiUtils::isPremiumServer(const QJsonObject &serverConfigObject)
 {
     static const QSet<apiDefs::ConfigType> premiumTypes = { apiDefs::ConfigType::AmneziaPremiumV1, apiDefs::ConfigType::AmneziaPremiumV2,
-                                                            apiDefs::ConfigType::ExternalPremium };
+                                                            apiDefs::ConfigType::AmneziaTrialV2, apiDefs::ConfigType::ExternalPremium,
+                                                            apiDefs::ConfigType::ExternalTrial };
     return premiumTypes.contains(getConfigType(serverConfigObject));
 }
 
@@ -177,7 +187,9 @@ QString apiUtils::getPremiumV1VpnKey(const QJsonObject &serverConfigObject)
 
 QString apiUtils::getPremiumV2VpnKey(const QJsonObject &serverConfigObject)
 {
-    if (apiUtils::getConfigType(serverConfigObject) != apiDefs::ConfigType::AmneziaPremiumV2) {
+    auto configType = apiUtils::getConfigType(serverConfigObject);
+    if (configType != apiDefs::ConfigType::AmneziaPremiumV2 && configType != apiDefs::ConfigType::AmneziaTrialV2
+        && configType != apiDefs::ConfigType::ExternalPremium && configType != apiDefs::ConfigType::ExternalTrial) {
         return {};
     }
 

client/core/controllers/coreController.cpp

@@ -135,7 +135,7 @@ void CoreController::initControllers()
             new SettingsController(m_serversModel, m_containersModel, m_languageModel, m_sitesModel, m_appSplitTunnelingModel, m_settings));
     m_engine->rootContext()->setContextProperty("SettingsController", m_settingsController.get());
 
-    m_sitesController.reset(new SitesController(m_settings, m_vpnConnection, m_sitesModel));
+    m_sitesController.reset(new SitesController(m_settings, m_sitesModel));
     m_engine->rootContext()->setContextProperty("SitesController", m_sitesController.get());
 
     m_allowedDnsController.reset(new AllowedDnsController(m_settings, m_allowedDnsModel));
@@ -153,6 +153,8 @@ void CoreController::initControllers()
 
     m_apiConfigsController.reset(new ApiConfigsController(m_serversModel, m_apiServicesModel, m_settings));
     m_engine->rootContext()->setContextProperty("ApiConfigsController", m_apiConfigsController.get());
+    connect(m_apiConfigsController.get(), &ApiConfigsController::subscriptionRefreshNeeded,
+            this, [this]() { m_apiSettingsController->getAccountInfo(false); });
 
     m_apiNewsController.reset(new ApiNewsController(m_newsModel, m_settings, m_serversModel, this));
     m_engine->rootContext()->setContextProperty("ApiNewsController", m_apiNewsController.get());
@@ -368,7 +370,11 @@ void CoreController::initPrepareConfigHandler()
             return;
         }
 
-        if (!m_installController->isConfigValid()) {
+        m_installController->validateConfig();
+    });
+
+    connect(m_installController.get(), &InstallController::configValidated, this, [this](bool isValid) {
+        if (!isValid) {
             emit m_vpnConnection->connectionStateChanged(Vpn::ConnectionState::Disconnected);
             return;
         }

client/core/controllers/gatewayController.cpp

@@ -1,22 +1,29 @@
 #include "gatewayController.h"
 
-#include <QDebug>
+#include <algorithm>
+#include <functional>
+#include <random>
+
+#include <QCryptographicHash>
 #include <QJsonArray>
 #include <QJsonDocument>
 #include <QJsonObject>
-#include <QMutexLocker>
-#include <QSharedPointer>
-#include <QThread>
-#include <QtConcurrent>
+#include <QNetworkReply>
+#include <QPromise>
+#include <QUrl>
 
 #include "QBlockCipher.h"
 #include "QRsa.h"
 
 #include "amnezia_application.h"
-#include "core/transport/dnsGatewayTransport.h"
-#include "core/transport/httpGatewayTransport.h"
+#include "core/api/apiUtils.h"
+#include "core/networkUtilities.h"
 #include "utilities.h"
 
+#ifdef AMNEZIA_DESKTOP
+    #include "core/ipcclient.h"
+#endif
+
 namespace
 {
     namespace configKey
@@ -29,330 +36,636 @@ namespace
         constexpr char keyPayload[] = "key_payload";
     }
 
-    amnezia::transport::dns::DnsProtocol dnsProtocolFromPrimary(PrimaryTransport p)
-    {
-        switch (p) {
-        case PrimaryTransport::DnsUdp: return amnezia::transport::dns::DnsProtocol::Udp;
-        case PrimaryTransport::DnsTcp: return amnezia::transport::dns::DnsProtocol::Tcp;
-        case PrimaryTransport::DnsDot: return amnezia::transport::dns::DnsProtocol::Tls;
-        case PrimaryTransport::DnsDoh: return amnezia::transport::dns::DnsProtocol::Https;
-        case PrimaryTransport::DnsDoq: return amnezia::transport::dns::DnsProtocol::Quic;
-        default: return amnezia::transport::dns::DnsProtocol::Udp;
-        }
-    }
-} // namespace
+    constexpr QLatin1String errorResponsePattern1("No active configuration found for");
+    constexpr QLatin1String errorResponsePattern2("No non-revoked public key found for");
+    constexpr QLatin1String errorResponsePattern3("Account not found.");
 
-TransportsConfig TransportsConfig::fromJson(const QJsonObject &json)
-{
-    using amnezia::transport::dns::DnsProtocol;
+    constexpr QLatin1String updateRequestResponsePattern("client version update is required");
 
-    TransportsConfig config;
+    constexpr int httpStatusCodeNotFound = 404;
+    constexpr int httpStatusCodeConflict = 409;
 
-    QString primaryStr = json.value("primary").toString("http").toLower();
-    if (primaryStr == "http") {
-        config.primary = PrimaryTransport::Http;
-    } else if (primaryStr == "dns_udp" || primaryStr == "udp") {
-        config.primary = PrimaryTransport::DnsUdp;
-    } else if (primaryStr == "dns_tcp" || primaryStr == "tcp") {
-        config.primary = PrimaryTransport::DnsTcp;
-    } else if (primaryStr == "dns_dot" || primaryStr == "dot") {
-        config.primary = PrimaryTransport::DnsDot;
-    } else if (primaryStr == "dns_doh" || primaryStr == "doh") {
-        config.primary = PrimaryTransport::DnsDoh;
-    } else if (primaryStr == "dns_doq" || primaryStr == "doq") {
-        config.primary = PrimaryTransport::DnsDoq;
-    }
-
-    config.retryCount = json.value("retry_count").toInt(3);
-    config.timeoutMs = json.value("timeout_ms").toInt(10000);
-
-    if (json.contains("http")) {
-        QJsonObject httpObj = json["http"].toObject();
-        config.httpEnabled = httpObj.value("enabled").toBool(true);
-        config.httpEndpoint = httpObj.value("endpoint").toString();
-    }
-
-    if (json.contains("dns_transports")) {
-        QJsonArray transportsArray = json["dns_transports"].toArray();
-        for (const auto &transportVal : transportsArray) {
-            QJsonObject transportObj = transportVal.toObject();
-            DnsTransportEntry entry;
-
-            entry.server = transportObj.value("server").toString();
-            entry.domain = transportObj.value("domain").toString();
-            entry.port = static_cast<quint16>(transportObj.value("port").toInt(15353));
-            entry.dohPath = transportObj.value("path").toString("/dns-query");
-
-            QString typeStr = transportObj.value("type").toString().toLower();
-            if (typeStr == "udp") {
-                entry.type = DnsProtocol::Udp;
-            } else if (typeStr == "tcp") {
-                entry.type = DnsProtocol::Tcp;
-            } else if (typeStr == "dot" || typeStr == "tls") {
-                entry.type = DnsProtocol::Tls;
-                if (!transportObj.contains("port")) entry.port = 8853;
-            } else if (typeStr == "doh" || typeStr == "https") {
-                entry.type = DnsProtocol::Https;
-                if (!transportObj.contains("port")) entry.port = 443;
-            } else if (typeStr == "doq" || typeStr == "quic") {
-                entry.type = DnsProtocol::Quic;
-                if (!transportObj.contains("port")) entry.port = 8853;
-            } else {
-                continue;
-            }
-
-            if (entry.isValid()) {
-                config.dnsTransports.append(entry);
-            }
-        }
-    }
-
-    return config;
+    constexpr int httpStatusCodeNotImplemented = 501;
+    constexpr int httpStatusCodeUnprocessableEntity = 422;
 }
 
-GatewayController::GatewayController(const QString &gatewayEndpoint,
-                                     const bool isDevEnvironment,
-                                     const int requestTimeoutMsecs,
-                                     const bool isStrictKillSwitchEnabled,
-                                     QObject *parent)
+GatewayController::GatewayController(const QString &gatewayEndpoint, const bool isDevEnvironment, const int requestTimeoutMsecs,
+                                     const bool isStrictKillSwitchEnabled, QObject *parent)
     : QObject(parent),
-      m_requestTimeoutMsecs(requestTimeoutMsecs),
       m_gatewayEndpoint(gatewayEndpoint),
       m_isDevEnvironment(isDevEnvironment),
+      m_requestTimeoutMsecs(requestTimeoutMsecs),
       m_isStrictKillSwitchEnabled(isStrictKillSwitchEnabled)
 {
-    auto httpTransport = std::make_shared<amnezia::transport::HttpGatewayTransport>(
-            m_gatewayEndpoint, m_isDevEnvironment, m_requestTimeoutMsecs, m_isStrictKillSwitchEnabled);
-    {
-        QMutexLocker lock(&m_transportMutex);
-        m_transport = std::move(httpTransport);
-    }
 }
 
-std::shared_ptr<amnezia::transport::IGatewayTransport> GatewayController::buildTransport(
-        const TransportsConfig &config, int requestTimeoutMsecs, bool isDevEnvironment, bool isStrictKillSwitchEnabled)
+GatewayController::EncryptedRequestData GatewayController::prepareRequest(const QString &endpoint, const QJsonObject &apiPayload)
 {
-    using namespace amnezia::transport;
+    EncryptedRequestData encRequestData;
+    encRequestData.errorCode = ErrorCode::NoError;
 
-    auto makeHttp = [&](const QString &httpEndpoint) {
-        return std::make_shared<HttpGatewayTransport>(
-                httpEndpoint, isDevEnvironment, requestTimeoutMsecs, isStrictKillSwitchEnabled);
-    };
+#ifdef Q_OS_IOS
+    IosController::Instance()->requestInetAccess();
+    QThread::msleep(10);
+#endif
 
-    if (config.primary == PrimaryTransport::Http) {
-        return makeHttp(config.httpEndpoint);
-    }
+    encRequestData.request.setTransferTimeout(m_requestTimeoutMsecs);
+    encRequestData.request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
+    encRequestData.request.setRawHeader(QString("X-Client-Request-ID").toUtf8(), QUuid::createUuid().toString(QUuid::WithoutBraces).toUtf8());
+    encRequestData.request.setUrl(endpoint.arg(m_proxyUrl.isEmpty() ? m_gatewayEndpoint : m_proxyUrl));
 
-    const auto wantedProtocol = dnsProtocolFromPrimary(config.primary);
-    for (const auto &entry : config.dnsTransports) {
-        if (entry.type == wantedProtocol && entry.isValid()) {
-            return std::make_shared<DnsGatewayTransport>(
-                    entry.type, entry.server, entry.domain, entry.port,
-                    requestTimeoutMsecs, isStrictKillSwitchEnabled, entry.dohPath);
+    // bypass killSwitch exceptions for API-gateway
+#ifdef AMNEZIA_DESKTOP
+    if (m_isStrictKillSwitchEnabled) {
+        QString host = QUrl(encRequestData.request.url()).host();
+        QString ip = NetworkUtilities::getIPAddress(host);
+        if (!ip.isEmpty()) {
+            IpcClient::withInterface([&](QSharedPointer<IpcInterfaceReplica> iface) {
+                QRemoteObjectPendingReply<bool> reply = iface->addKillSwitchAllowedRange(QStringList { ip });
+                if (!reply.waitForFinished(1000) || !reply.returnValue())
+                    qWarning() << "GatewayController::prepareRequest(): Failed to execute remote addKillSwitchAllowedRange call";
+            });
         }
     }
-
-    return makeHttp(config.httpEndpoint);
-}
-
-void GatewayController::setTransportsConfig(const TransportsConfig &config)
-{
-    if (config.timeoutMs > 0) {
-        m_requestTimeoutMsecs = config.timeoutMs;
-    }
-    if (!config.httpEndpoint.isEmpty()) {
-        m_gatewayEndpoint = config.httpEndpoint;
-    }
-
-    TransportsConfig effective = config;
-    if (effective.httpEndpoint.isEmpty()) {
-        effective.httpEndpoint = m_gatewayEndpoint;
-    }
-
-    auto newTransport = buildTransport(effective, m_requestTimeoutMsecs, m_isDevEnvironment, m_isStrictKillSwitchEnabled);
-    QString activeName;
-    {
-        QMutexLocker lock(&m_transportMutex);
-        m_transport = std::move(newTransport);
-        activeName = m_transport ? m_transport->name() : QStringLiteral("none");
-    }
-
-    qDebug() << "[Transport] Active transport set to" << activeName;
-}
-
-TransportsConfig GatewayController::buildTransportsConfig()
-{
-    using amnezia::transport::dns::DnsProtocol;
-
-    TransportsConfig config;
-
-    QString server = QString(AGW_DNS_SERVER).trimmed();
-    QString domain = QString(AGW_DNS_DOMAIN).trimmed();
-
-    if (server.isEmpty() || domain.isEmpty()) {
-        qDebug() << "[Transport] DNS server/domain not configured, HTTP only";
-        return config;
-    }
-
-    QString primaryStr = QString(AGW_DNS_PRIMARY).trimmed().toLower();
-    if (primaryStr == "udp" || primaryStr == "dns_udp") {
-        config.primary = PrimaryTransport::DnsUdp;
-    } else if (primaryStr == "tcp" || primaryStr == "dns_tcp") {
-        config.primary = PrimaryTransport::DnsTcp;
-    } else if (primaryStr == "dot" || primaryStr == "dns_dot") {
-        config.primary = PrimaryTransport::DnsDot;
-    } else if (primaryStr == "doh" || primaryStr == "dns_doh") {
-        config.primary = PrimaryTransport::DnsDoh;
-    } else if (primaryStr == "doq" || primaryStr == "dns_doq") {
-        config.primary = PrimaryTransport::DnsDoq;
-    } else {
-        config.primary = PrimaryTransport::Http;
-    }
-
-    int retryCount = QString(AGW_DNS_RETRY_COUNT).trimmed().toInt();
-    config.retryCount = (retryCount > 0) ? retryCount : 3;
-
-    int timeoutMs = QString(AGW_DNS_TIMEOUT_MS).trimmed().toInt();
-    config.timeoutMs = (timeoutMs > 0) ? timeoutMs : 10000;
-
-    config.httpEnabled = true;
-
-    auto addTransport = [&](DnsProtocol type, const char *portDefine, quint16 defaultPort,
-                            const QString &dohPath = QString()) {
-        DnsTransportEntry entry;
-        entry.type = type;
-        entry.server = server;
-        entry.domain = domain;
-        quint16 port = QString(portDefine).trimmed().toUShort();
-        entry.port = (port > 0) ? port : defaultPort;
-        if (!dohPath.isEmpty()) entry.dohPath = dohPath;
-        config.dnsTransports.append(entry);
-    };
-
-    addTransport(DnsProtocol::Udp, AGW_DNS_PORT_UDP, 5353);
-    addTransport(DnsProtocol::Tcp, AGW_DNS_PORT_UDP, 5353);
-    addTransport(DnsProtocol::Tls, AGW_DNS_PORT_DOT, 853);
-
-    QString dohPath = QString(AGW_DNS_DOH_PATH).trimmed();
-    if (dohPath.isEmpty()) dohPath = "/dns-query";
-    addTransport(DnsProtocol::Https, AGW_DNS_PORT_DOH, 443, dohPath);
-
-    addTransport(DnsProtocol::Quic, AGW_DNS_PORT_DOQ, 8853);
-
-    qDebug() << "[Transport] Built config from env: server=" << server << "domain=" << domain
-             << "transports=" << config.dnsTransports.size() << "primary=" << static_cast<int>(config.primary);
-
-    return config;
-}
-
-GatewayController::EncryptedRequest GatewayController::encryptRequest(const QJsonObject &apiPayload)
-{
-    EncryptedRequest result;
-    result.errorCode = amnezia::ErrorCode::NoError;
+#endif
 
     QSimpleCrypto::QBlockCipher blockCipher;
-    result.key = blockCipher.generatePrivateSalt(32);
-    result.iv = blockCipher.generatePrivateSalt(16);
-    result.salt = blockCipher.generatePrivateSalt(8);
+    encRequestData.key = blockCipher.generatePrivateSalt(32);
+    encRequestData.iv = blockCipher.generatePrivateSalt(32);
+    encRequestData.salt = blockCipher.generatePrivateSalt(8);
 
     QJsonObject keyPayload;
-    keyPayload[configKey::aesKey] = QString(result.key.toBase64());
-    keyPayload[configKey::aesIv] = QString(result.iv.toBase64());
-    keyPayload[configKey::aesSalt] = QString(result.salt.toBase64());
+    keyPayload[configKey::aesKey] = QString(encRequestData.key.toBase64());
+    keyPayload[configKey::aesIv] = QString(encRequestData.iv.toBase64());
+    keyPayload[configKey::aesSalt] = QString(encRequestData.salt.toBase64());
 
     QByteArray encryptedKeyPayload;
     QByteArray encryptedApiPayload;
     try {
         QSimpleCrypto::QRsa rsa;
+
         EVP_PKEY *publicKey = nullptr;
         try {
             QByteArray rsaKey = m_isDevEnvironment ? DEV_AGW_PUBLIC_KEY : PROD_AGW_PUBLIC_KEY;
-            rsaKey = rsaKey.trimmed();
-            rsaKey.replace("\\n", "\n");
+            QSimpleCrypto::QRsa rsa;
             publicKey = rsa.getPublicKeyFromByteArray(rsaKey);
         } catch (...) {
             Utils::logException();
             qCritical() << "error loading public key from environment variables";
-            result.errorCode = amnezia::ErrorCode::ApiMissingAgwPublicKey;
-            return result;
+            encRequestData.errorCode = ErrorCode::ApiMissingAgwPublicKey;
+            return encRequestData;
         }
 
-        encryptedKeyPayload = rsa.encrypt(QJsonDocument(keyPayload).toJson(QJsonDocument::Compact),
-                                          publicKey, RSA_PKCS1_PADDING);
+        encryptedKeyPayload = rsa.encrypt(QJsonDocument(keyPayload).toJson(), publicKey, RSA_PKCS1_PADDING);
         EVP_PKEY_free(publicKey);
 
-        encryptedApiPayload = blockCipher.encryptAesBlockCipher(QJsonDocument(apiPayload).toJson(QJsonDocument::Compact),
-                                                                result.key, result.iv, "", result.salt);
+        encryptedApiPayload = blockCipher.encryptAesBlockCipher(QJsonDocument(apiPayload).toJson(), encRequestData.key, encRequestData.iv,
+                                                                "", encRequestData.salt);
     } catch (...) {
         Utils::logException();
         qCritical() << "error when encrypting the request body";
-        result.errorCode = amnezia::ErrorCode::ApiConfigDecryptionError;
-        return result;
+        encRequestData.errorCode = ErrorCode::ApiConfigDecryptionError;
+        return encRequestData;
     }
 
     QJsonObject requestBody;
     requestBody[configKey::keyPayload] = QString(encryptedKeyPayload.toBase64());
     requestBody[configKey::apiPayload] = QString(encryptedApiPayload.toBase64());
 
-    result.body = QJsonDocument(requestBody).toJson(QJsonDocument::Compact);
-    return result;
+    encRequestData.requestBody = QJsonDocument(requestBody).toJson();
+    return encRequestData;
 }
 
-amnezia::transport::DecryptionResult GatewayController::decryptResponse(const QByteArray &encryptedResponseBody,
-                                                                         const QByteArray &key,
-                                                                         const QByteArray &iv,
-                                                                         const QByteArray &salt) const
+GatewayController::DecryptionResult GatewayController::tryDecryptResponseBody(const QByteArray &encryptedResponseBody,
+                                                                              QNetworkReply::NetworkError replyError, const QByteArray &key,
+                                                                              const QByteArray &iv, const QByteArray &salt)
 {
-    amnezia::transport::DecryptionResult result;
-    result.decrypted = encryptedResponseBody;
-    result.isOk = false;
-
-    if (encryptedResponseBody.isEmpty()) {
-        return result;
-    }
+    DecryptionResult result;
+    result.decryptedBody = encryptedResponseBody;
+    result.isDecryptionSuccessful = false;
 
     try {
         QSimpleCrypto::QBlockCipher blockCipher;
-        result.decrypted = blockCipher.decryptAesBlockCipher(encryptedResponseBody, key, iv, "", salt);
-        result.isOk = true;
+        result.decryptedBody = blockCipher.decryptAesBlockCipher(encryptedResponseBody, key, iv, "", salt);
+        result.isDecryptionSuccessful = true;
     } catch (...) {
-        result.decrypted = encryptedResponseBody;
-        result.isOk = false;
+        result.decryptedBody = encryptedResponseBody;
+        result.isDecryptionSuccessful = false;
     }
 
     return result;
 }
 
-std::shared_ptr<amnezia::transport::IGatewayTransport> GatewayController::currentTransport() const
+ErrorCode GatewayController::post(const QString &endpoint, const QJsonObject apiPayload, QByteArray &responseBody)
 {
-    QMutexLocker lock(&m_transportMutex);
-    return m_transport;
+    EncryptedRequestData encRequestData = prepareRequest(endpoint, apiPayload);
+    if (encRequestData.errorCode != ErrorCode::NoError) {
+        return encRequestData.errorCode;
+    }
+
+    QNetworkReply *reply = amnApp->networkManager()->post(encRequestData.request, encRequestData.requestBody);
+
+    QEventLoop wait;
+    connect(reply, &QNetworkReply::finished, &wait, &QEventLoop::quit);
+
+    QList<QSslError> sslErrors;
+    connect(reply, &QNetworkReply::sslErrors, [this, &sslErrors](const QList<QSslError> &errors) { sslErrors = errors; });
+    wait.exec(QEventLoop::ExcludeUserInputEvents);
+
+    QByteArray encryptedResponseBody = reply->readAll();
+    QString replyErrorString = reply->errorString();
+    auto replyError = reply->error();
+    int httpStatusCode = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
+
+    reply->deleteLater();
+
+    auto decryptionResult =
+            tryDecryptResponseBody(encryptedResponseBody, replyError, encRequestData.key, encRequestData.iv, encRequestData.salt);
+
+    if (sslErrors.isEmpty() && shouldBypassProxy(replyError, decryptionResult.decryptedBody, decryptionResult.isDecryptionSuccessful)) {
+        auto requestFunction = [&encRequestData, &encryptedResponseBody](const QString &url) {
+            encRequestData.request.setUrl(url);
+            return amnApp->networkManager()->post(encRequestData.request, encRequestData.requestBody);
+        };
+
+        auto replyProcessingFunction = [&encryptedResponseBody, &replyErrorString, &replyError, &httpStatusCode, &sslErrors, &encRequestData,
+                                        &decryptionResult, this](QNetworkReply *reply, const QList<QSslError> &nestedSslErrors) {
+            encryptedResponseBody = reply->readAll();
+            replyErrorString = reply->errorString();
+            replyError = reply->error();
+            httpStatusCode = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
+
+            decryptionResult =
+                    tryDecryptResponseBody(encryptedResponseBody, replyError, encRequestData.key, encRequestData.iv, encRequestData.salt);
+
+            if (!sslErrors.isEmpty()
+                || shouldBypassProxy(replyError, decryptionResult.decryptedBody, decryptionResult.isDecryptionSuccessful)) {
+                sslErrors = nestedSslErrors;
+                return false;
+            }
+            return true;
+        };
+
+        auto serviceType = apiPayload.value(apiDefs::key::serviceType).toString("");
+        auto userCountryCode = apiPayload.value(apiDefs::key::userCountryCode).toString("");
+        bypassProxy(endpoint, serviceType, userCountryCode, requestFunction, replyProcessingFunction);
+    }
+
+    auto errorCode =
+            apiUtils::checkNetworkReplyErrors(sslErrors, replyErrorString, replyError, httpStatusCode, decryptionResult.decryptedBody);
+    if (errorCode) {
+        return errorCode;
+    }
+
+    if (!decryptionResult.isDecryptionSuccessful) {
+        qCritical() << "error when decrypting the request body";
+        return ErrorCode::ApiConfigDecryptionError;
+    }
+
+    responseBody = decryptionResult.decryptedBody;
+    return ErrorCode::NoError;
 }
 
-amnezia::ErrorCode GatewayController::post(const QString &endpoint, const QJsonObject apiPayload, QByteArray &responseBody)
+QFuture<QPair<ErrorCode, QByteArray>> GatewayController::postAsync(const QString &endpoint, const QJsonObject apiPayload)
 {
-    EncryptedRequest enc = encryptRequest(apiPayload);
-    if (enc.errorCode != amnezia::ErrorCode::NoError) {
-        return enc.errorCode;
+    auto promise = QSharedPointer<QPromise<QPair<ErrorCode, QByteArray>>>::create();
+    promise->start();
+
+    EncryptedRequestData encRequestData = prepareRequest(endpoint, apiPayload);
+    if (encRequestData.errorCode != ErrorCode::NoError) {
+        promise->addResult(qMakePair(encRequestData.errorCode, QByteArray()));
+        promise->finish();
+        return promise->future();
     }
 
-    auto transport = currentTransport();
-    if (!transport) {
-        return amnezia::ErrorCode::AmneziaServiceConnectionFailed;
+    QNetworkReply *reply = amnApp->networkManager()->post(encRequestData.request, encRequestData.requestBody);
+
+    auto sslErrors = QSharedPointer<QList<QSslError>>::create();
+
+    connect(reply, &QNetworkReply::sslErrors, [sslErrors](const QList<QSslError> &errors) { *sslErrors = errors; });
+
+    connect(reply, &QNetworkReply::finished, reply, [promise, sslErrors, encRequestData, endpoint, apiPayload, reply, this]() mutable {
+        QByteArray encryptedResponseBody = reply->readAll();
+        QString replyErrorString = reply->errorString();
+        auto replyError = reply->error();
+        int httpStatusCode = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
+
+        reply->deleteLater();
+
+        auto decryptionResult =
+                tryDecryptResponseBody(encryptedResponseBody, replyError, encRequestData.key, encRequestData.iv, encRequestData.salt);
+
+        auto processResponse = [promise, encRequestData](const GatewayController::DecryptionResult &decryptionResult,
+                                                         const QList<QSslError> &sslErrors, QNetworkReply::NetworkError replyError,
+                                                         const QString &replyErrorString, int httpStatusCode) {
+            auto errorCode = apiUtils::checkNetworkReplyErrors(sslErrors, replyErrorString, replyError, httpStatusCode,
+                                                               decryptionResult.decryptedBody);
+            if (errorCode) {
+                promise->addResult(qMakePair(errorCode, QByteArray()));
+                promise->finish();
+                return;
+            }
+
+            if (!decryptionResult.isDecryptionSuccessful) {
+                Utils::logException();
+                qCritical() << "error when decrypting the request body";
+                promise->addResult(qMakePair(ErrorCode::ApiConfigDecryptionError, QByteArray()));
+                promise->finish();
+                return;
+            }
+
+            promise->addResult(qMakePair(ErrorCode::NoError, decryptionResult.decryptedBody));
+            promise->finish();
+        };
+
+        if (sslErrors->isEmpty() && shouldBypassProxy(replyError, decryptionResult.decryptedBody, decryptionResult.isDecryptionSuccessful)) {
+            auto serviceType = apiPayload.value(apiDefs::key::serviceType).toString("");
+            auto userCountryCode = apiPayload.value(apiDefs::key::userCountryCode).toString("");
+
+            QStringList baseUrls;
+            if (m_isDevEnvironment) {
+                baseUrls = QString(DEV_S3_ENDPOINT).split(", ");
+            } else {
+                baseUrls = QString(PROD_S3_ENDPOINT).split(", ");
+            }
+
+            QStringList proxyStorageUrls;
+            if (!serviceType.isEmpty()) {
+                for (const auto &baseUrl : baseUrls) {
+                    QByteArray path = ("endpoints-" + serviceType + "-" + userCountryCode).toUtf8();
+                    proxyStorageUrls.push_back(baseUrl + path.toBase64(QByteArray::Base64UrlEncoding | QByteArray::OmitTrailingEquals)
+                                               + ".json");
+                }
+            }
+            for (const auto &baseUrl : baseUrls)
+                proxyStorageUrls.push_back(baseUrl + "endpoints.json");
+
+            getProxyUrlsAsync(proxyStorageUrls, 0, [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,
+                                                             const QList<QSslError> &sslErrors, QNetworkReply::NetworkError replyError,
+                                                             const QString &replyErrorString, int httpStatusCode) {
+                                         GatewayController::DecryptionResult result;
+                                         result.decryptedBody = decryptedBody;
+                                         result.isDecryptionSuccessful = isDecryptionSuccessful;
+                                         processResponse(result, sslErrors, replyError, replyErrorString, httpStatusCode);
+                                     });
+                });
+            });
+
+        } else {
+            processResponse(decryptionResult, *sslErrors, replyError, replyErrorString, httpStatusCode);
+        }
+    });
+
+    return promise->future();
+}
+
+QStringList GatewayController::getProxyUrls(const QString &serviceType, const QString &userCountryCode)
+{
+    QNetworkRequest request;
+    request.setTransferTimeout(m_requestTimeoutMsecs);
+    request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
+
+    QEventLoop wait;
+    QList<QSslError> sslErrors;
+    QNetworkReply *reply;
+
+    QStringList baseUrls;
+    if (m_isDevEnvironment) {
+        baseUrls = QString(DEV_S3_ENDPOINT).split(", ");
+    } else {
+        baseUrls = QString(PROD_S3_ENDPOINT).split(", ");
+    }
+    std::random_device randomDevice;
+    std::mt19937 generator(randomDevice());
+    std::shuffle(baseUrls.begin(), baseUrls.end(), generator);
+
+    QByteArray key = m_isDevEnvironment ? DEV_AGW_PUBLIC_KEY : PROD_AGW_PUBLIC_KEY;
+
+    QStringList proxyStorageUrls;
+    if (!serviceType.isEmpty()) {
+        for (const auto &baseUrl : baseUrls) {
+            QByteArray path = ("endpoints-" + serviceType + "-" + userCountryCode).toUtf8();
+            proxyStorageUrls.push_back(baseUrl + path.toBase64(QByteArray::Base64UrlEncoding | QByteArray::OmitTrailingEquals) + ".json");
+        }
+    }
+    for (const auto &baseUrl : baseUrls) {
+        proxyStorageUrls.push_back(baseUrl + "endpoints.json");
     }
 
-    auto decryptionHook = [this, key = enc.key, iv = enc.iv, salt = enc.salt](const QByteArray &encrypted) {
-        return decryptResponse(encrypted, key, iv, salt);
+    for (const auto &proxyStorageUrl : proxyStorageUrls) {
+        request.setUrl(proxyStorageUrl);
+        reply = amnApp->networkManager()->get(request);
+
+        connect(reply, &QNetworkReply::finished, &wait, &QEventLoop::quit);
+        connect(reply, &QNetworkReply::sslErrors, [this, &sslErrors](const QList<QSslError> &errors) { sslErrors = errors; });
+        wait.exec(QEventLoop::ExcludeUserInputEvents);
+
+        if (reply->error() == QNetworkReply::NetworkError::NoError) {
+            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();
+                qCritical() << "error loading private key from environment variables or decrypting payload" << encryptedResponseBody;
+                continue;
+            }
+
+            auto endpointsArray = QJsonDocument::fromJson(responseBody).array();
+
+            QStringList endpoints;
+            for (const auto &endpoint : endpointsArray) {
+                endpoints.push_back(endpoint.toString());
+            }
+            return endpoints;
+        } else {
+            auto replyError = reply->error();
+            int httpStatusCode = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
+            qDebug() << replyError;
+            qDebug() << httpStatusCode;
+            qDebug() << "go to the next storage endpoint";
+
+            reply->deleteLater();
+        }
+    }
+    return {};
+}
+
+bool GatewayController::shouldBypassProxy(const QNetworkReply::NetworkError &replyError, const QByteArray &decryptedResponseBody,
+                                          bool isDecryptionSuccessful)
+{
+    const QByteArray &responseBody = decryptedResponseBody;
+
+    int httpStatus = -1;
+    if (isDecryptionSuccessful) {
+        QJsonDocument jsonDoc = QJsonDocument::fromJson(responseBody);
+        if (jsonDoc.isObject()) {
+            QJsonObject jsonObj = jsonDoc.object();
+            httpStatus = jsonObj.value("http_status").toInt(-1);
+        }
+    } else {
+        qDebug() << "failed to decrypt the data";
+        return true;
+    }
+
+    if (replyError == QNetworkReply::NetworkError::OperationCanceledError || replyError == QNetworkReply::NetworkError::TimeoutError) {
+        qDebug() << "timeout occurred";
+        qDebug() << replyError;
+        return true;
+    } else if (responseBody.contains("html")) {
+        qDebug() << "the response contains an html tag";
+        return true;
+    } else if (httpStatus == httpStatusCodeNotFound) {
+        if (responseBody.contains(errorResponsePattern1) || responseBody.contains(errorResponsePattern2)
+            || responseBody.contains(errorResponsePattern3)) {
+            return false;
+        } else {
+            qDebug() << replyError;
+            return true;
+        }
+    } else if (httpStatus == httpStatusCodeNotImplemented) {
+        if (responseBody.contains(updateRequestResponsePattern)) {
+            return false;
+        } else {
+            qDebug() << replyError;
+            return true;
+        }
+    } else if (httpStatus == httpStatusCodeConflict) {
+        return false;
+    } else if (httpStatus == httpStatusCodeUnprocessableEntity) {
+        return false;
+    } else if (replyError != QNetworkReply::NetworkError::NoError) {
+        qDebug() << replyError;
+        return true;
+    }
+    return false;
+}
+
+void GatewayController::bypassProxy(const QString &endpoint, const QString &serviceType, const QString &userCountryCode,
+                                    std::function<QNetworkReply *(const QString &url)> requestFunction,
+                                    std::function<bool(QNetworkReply *reply, const QList<QSslError> &sslErrors)> replyProcessingFunction)
+{
+    QStringList proxyUrls = getProxyUrls(serviceType, userCountryCode);
+    std::random_device randomDevice;
+    std::mt19937 generator(randomDevice());
+    std::shuffle(proxyUrls.begin(), proxyUrls.end(), generator);
+
+    QByteArray responseBody;
+
+    auto bypassFunction = [this](const QString &endpoint, const QString &proxyUrl,
+                                 std::function<QNetworkReply *(const QString &url)> requestFunction,
+                                 std::function<bool(QNetworkReply * reply, const QList<QSslError> &sslErrors)> replyProcessingFunction) {
+        QEventLoop wait;
+        QList<QSslError> sslErrors;
+
+        qDebug() << "go to the next proxy endpoint";
+        QNetworkReply *reply = requestFunction(endpoint.arg(proxyUrl));
+
+        QObject::connect(reply, &QNetworkReply::finished, &wait, &QEventLoop::quit);
+        connect(reply, &QNetworkReply::sslErrors, [this, &sslErrors](const QList<QSslError> &errors) { sslErrors = errors; });
+        wait.exec(QEventLoop::ExcludeUserInputEvents);
+
+        auto result = replyProcessingFunction(reply, sslErrors);
+        reply->deleteLater();
+        return result;
     };
 
-    return transport->send(endpoint, enc.body, responseBody, decryptionHook);
+    if (m_proxyUrl.isEmpty()) {
+        QNetworkRequest request;
+        request.setTransferTimeout(1000);
+        request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
+
+        QEventLoop wait;
+        QList<QSslError> sslErrors;
+        QNetworkReply *reply;
+
+        for (const QString &proxyUrl : proxyUrls) {
+            request.setUrl(proxyUrl + "lmbd-health");
+            reply = amnApp->networkManager()->get(request);
+
+            connect(reply, &QNetworkReply::finished, &wait, &QEventLoop::quit);
+            connect(reply, &QNetworkReply::sslErrors, [this, &sslErrors](const QList<QSslError> &errors) { sslErrors = errors; });
+            wait.exec(QEventLoop::ExcludeUserInputEvents);
+
+            if (reply->error() == QNetworkReply::NetworkError::NoError) {
+                reply->deleteLater();
+
+                m_proxyUrl = proxyUrl;
+                if (!m_proxyUrl.isEmpty()) {
+                    break;
+                }
+            } else {
+                reply->deleteLater();
+            }
+        }
+    }
+
+    if (!m_proxyUrl.isEmpty()) {
+        if (bypassFunction(endpoint, m_proxyUrl, requestFunction, replyProcessingFunction)) {
+            return;
+        }
+    }
+
+    for (const QString &proxyUrl : proxyUrls) {
+        if (bypassFunction(endpoint, proxyUrl, requestFunction, replyProcessingFunction)) {
+            m_proxyUrl = proxyUrl;
+            break;
+        }
+    }
 }
 
-QFuture<QPair<amnezia::ErrorCode, QByteArray>> GatewayController::postAsync(const QString &endpoint, const QJsonObject apiPayload)
+void GatewayController::getProxyUrlsAsync(const QStringList proxyStorageUrls, const int currentProxyStorageIndex,
+                                          std::function<void(const QStringList &)> onComplete)
 {
-    return QtConcurrent::run([this, endpoint, apiPayload]() {
-        QByteArray responseBody;
-        amnezia::ErrorCode errorCode = post(endpoint, apiPayload, responseBody);
-        return qMakePair(errorCode, responseBody);
+    if (currentProxyStorageIndex >= proxyStorageUrls.size()) {
+        onComplete({});
+        return;
+    }
+
+    QNetworkRequest request;
+    request.setTransferTimeout(m_requestTimeoutMsecs);
+    request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
+    request.setUrl(proxyStorageUrls[currentProxyStorageIndex]);
+
+    QNetworkReply *reply = amnApp->networkManager()->get(request);
+
+    // connect(reply, &QNetworkReply::sslErrors, this, [state](const QList<QSslError> &e) { *(state->sslErrors) = e; });
+
+    connect(reply, &QNetworkReply::finished, this, [this, proxyStorageUrls, currentProxyStorageIndex, 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();
+                qCritical() << "error decrypting payload";
+                QMetaObject::invokeMethod(
+                        this, [=]() { getProxyUrlsAsync(proxyStorageUrls, currentProxyStorageIndex + 1, onComplete); }, Qt::QueuedConnection);
+                return;
+            }
+
+            QJsonArray endpointsArray = QJsonDocument::fromJson(responseBody).array();
+            QStringList endpoints;
+            for (const QJsonValue &endpoint : endpointsArray)
+                endpoints.push_back(endpoint.toString());
+
+            QStringList shuffled = endpoints;
+            std::random_device randomDevice;
+            std::mt19937 generator(randomDevice());
+            std::shuffle(shuffled.begin(), shuffled.end(), generator);
+
+            onComplete(shuffled);
+            return;
+        }
+
+        int httpStatusCode = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
+        qDebug() << httpStatusCode;
+        qDebug() << "go to the next storage endpoint";
+        reply->deleteLater();
+        QMetaObject::invokeMethod(
+                this, [=]() { getProxyUrlsAsync(proxyStorageUrls, currentProxyStorageIndex + 1, onComplete); }, Qt::QueuedConnection);
+    });
+}
+
+void GatewayController::getProxyUrlAsync(const QStringList proxyUrls, const int currentProxyIndex,
+                                         std::function<void(const QString &)> onComplete)
+{
+    if (currentProxyIndex >= proxyUrls.size()) {
+        onComplete("");
+        return;
+    }
+
+    QNetworkRequest request;
+    request.setTransferTimeout(1000);
+    request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
+    request.setUrl(proxyUrls[currentProxyIndex] + "lmbd-health");
+
+    QNetworkReply *reply = amnApp->networkManager()->get(request);
+
+    // connect(reply, &QNetworkReply::sslErrors, this, [state](const QList<QSslError> &e) {
+    //     *(state->sslErrors) = e;
+    // });
+
+    connect(reply, &QNetworkReply::finished, this, [this, proxyUrls, currentProxyIndex, onComplete, reply]() {
+        reply->deleteLater();
+
+        if (reply->error() == QNetworkReply::NoError) {
+            m_proxyUrl = proxyUrls[currentProxyIndex];
+            onComplete(m_proxyUrl);
+            return;
+        }
+
+        qDebug() << "go to the next proxy endpoint";
+        QMetaObject::invokeMethod(this, [=]() { getProxyUrlAsync(proxyUrls, currentProxyIndex + 1, onComplete); }, Qt::QueuedConnection);
+    });
+}
+
+void GatewayController::bypassProxyAsync(
+        const QString &endpoint, const QString &proxyUrl, EncryptedRequestData encRequestData,
+        std::function<void(const QByteArray &, bool, const QList<QSslError> &, QNetworkReply::NetworkError, const QString &, int)> onComplete)
+{
+    auto sslErrors = QSharedPointer<QList<QSslError>>::create();
+    if (proxyUrl.isEmpty()) {
+        onComplete(QByteArray(), false, *sslErrors, QNetworkReply::InternalServerError, "empty proxy url", 0);
+        return;
+    }
+
+    QNetworkRequest request = encRequestData.request;
+    request.setUrl(endpoint.arg(proxyUrl));
+
+    QNetworkReply *reply = amnApp->networkManager()->post(request, encRequestData.requestBody);
+
+    connect(reply, &QNetworkReply::sslErrors, this, [sslErrors](const QList<QSslError> &errors) { *sslErrors = errors; });
+
+    connect(reply, &QNetworkReply::finished, this, [sslErrors, onComplete, encRequestData, reply, this]() {
+        QByteArray encryptedResponseBody = reply->readAll();
+        QString replyErrorString = reply->errorString();
+        auto replyError = reply->error();
+        int httpStatusCode = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
+
+        reply->deleteLater();
+
+        auto decryptionResult =
+                tryDecryptResponseBody(encryptedResponseBody, replyError, encRequestData.key, encRequestData.iv, encRequestData.salt);
+
+        onComplete(decryptionResult.decryptedBody, decryptionResult.isDecryptionSuccessful, *sslErrors, replyError, replyErrorString,
+                   httpStatusCode);
     });
 }

client/core/controllers/gatewayController.h

@@ -2,87 +2,69 @@
 #define GATEWAYCONTROLLER_H
 
 #include <QFuture>
-#include <QJsonArray>
-#include <QJsonObject>
-#include <QMutex>
+#include <QNetworkReply>
 #include <QObject>
 #include <QPair>
-#include <memory>
+#include <QPromise>
+#include <QSharedPointer>
 
 #include "core/defs.h"
-#include "core/transport/dns/dnsResolver.h"
-#include "core/transport/igatewaytransport.h"
 
-struct DnsTransportEntry
-{
-    amnezia::transport::dns::DnsProtocol type = amnezia::transport::dns::DnsProtocol::Udp;
-    QString server;
-    QString domain;
-    quint16 port = 15353;
-    QString dohPath = "/dns-query";
-
-    bool isValid() const { return !server.isEmpty() && !domain.isEmpty(); }
-};
-
-enum class PrimaryTransport { Http, DnsUdp, DnsTcp, DnsDot, DnsDoh, DnsDoq };
-
-struct TransportsConfig
-{
-    PrimaryTransport primary = PrimaryTransport::Http;
-    bool httpEnabled = true;
-    QString httpEndpoint;
-    QList<DnsTransportEntry> dnsTransports;
-    int retryCount = 3;
-    int timeoutMs = 10000;
-
-    bool isValid() const { return httpEnabled || !dnsTransports.isEmpty(); }
-    static TransportsConfig fromJson(const QJsonObject &json);
-};
+#ifdef Q_OS_IOS
+    #include "platforms/ios/ios_controller.h"
+#endif
 
 class GatewayController : public QObject
 {
     Q_OBJECT
 
 public:
-    explicit GatewayController(const QString &gatewayEndpoint,
-                               const bool isDevEnvironment,
-                               const int requestTimeoutMsecs,
-                               const bool isStrictKillSwitchEnabled,
-                               QObject *parent = nullptr);
+    explicit GatewayController(const QString &gatewayEndpoint, const bool isDevEnvironment, const int requestTimeoutMsecs,
+                               const bool isStrictKillSwitchEnabled, 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);
 
-    static TransportsConfig buildTransportsConfig();
-    void setTransportsConfig(const TransportsConfig &config);
-
 private:
-    struct EncryptedRequest
+    struct EncryptedRequestData
     {
-        QByteArray body;
+        QNetworkRequest request;
+        QByteArray requestBody;
         QByteArray key;
         QByteArray iv;
         QByteArray salt;
-        amnezia::ErrorCode errorCode = amnezia::ErrorCode::NoError;
+        amnezia::ErrorCode errorCode;
     };
 
-    EncryptedRequest encryptRequest(const QJsonObject &apiPayload);
-    amnezia::transport::DecryptionResult decryptResponse(const QByteArray &encryptedResponseBody,
-                                                         const QByteArray &key,
-                                                         const QByteArray &iv,
-                                                         const QByteArray &salt) const;
+    struct DecryptionResult
+    {
+        QByteArray decryptedBody;
+        bool isDecryptionSuccessful;
+    };
 
-    std::shared_ptr<amnezia::transport::IGatewayTransport> currentTransport() const;
-    static std::shared_ptr<amnezia::transport::IGatewayTransport> buildTransport(
-            const TransportsConfig &config, int requestTimeoutMsecs, bool isDevEnvironment, bool isStrictKillSwitchEnabled);
+    EncryptedRequestData prepareRequest(const QString &endpoint, const QJsonObject &apiPayload);
+    DecryptionResult tryDecryptResponseBody(const QByteArray &encryptedResponseBody, QNetworkReply::NetworkError replyError,
+                                            const QByteArray &key, const QByteArray &iv, const QByteArray &salt);
+
+    QStringList getProxyUrls(const QString &serviceType, const QString &userCountryCode);
+    bool shouldBypassProxy(const QNetworkReply::NetworkError &replyError, const QByteArray &decryptedResponseBody, bool isDecryptionSuccessful);
+    void bypassProxy(const QString &endpoint, const QString &serviceType, const QString &userCountryCode,
+                     std::function<QNetworkReply *(const QString &url)> requestFunction,
+                     std::function<bool(QNetworkReply *reply, const QList<QSslError> &sslErrors)> replyProcessingFunction);
+
+    void getProxyUrlsAsync(const QStringList proxyStorageUrls, const int currentProxyStorageIndex,
+                           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,
+            std::function<void(const QByteArray &, bool, const QList<QSslError> &, QNetworkReply::NetworkError, const QString &, int)> onComplete);
 
     int m_requestTimeoutMsecs;
     QString m_gatewayEndpoint;
     bool m_isDevEnvironment = false;
     bool m_isStrictKillSwitchEnabled = false;
 
-    mutable QMutex m_transportMutex;
-    std::shared_ptr<amnezia::transport::IGatewayTransport> m_transport;
+    inline static QString m_proxyUrl;
 };
 
 #endif // GATEWAYCONTROLLER_H

client/core/controllers/serverController.cpp

@@ -419,6 +419,18 @@ ErrorCode ServerController::installDockerWorker(const ServerCredentials &credent
                       cbReadStdOut, cbReadStdErr);
 
     qDebug().noquote() << "ServerController::installDockerWorker" << stdOut;
+    if (container == DockerContainer::Awg2) {
+        QRegularExpression regex(R"(Linux\s+(\d+)\.(\d+)[^\d]*)");
+        QRegularExpressionMatch match = regex.match(stdOut);
+        if (match.hasMatch()) {
+            int majorVersion = match.captured(1).toInt();
+            int minorVersion = match.captured(2).toInt();
+
+            if (majorVersion < 4 || (majorVersion == 4 && minorVersion < 14)) {
+                return ErrorCode::ServerLinuxKernelTooOld;
+            }
+        }
+    }
     if (stdOut.contains("lock"))
         return ErrorCode::ServerPacketManagerError;
     if (stdOut.contains("command not found"))
@@ -467,6 +479,8 @@ ErrorCode ServerController::buildContainerWorker(const ServerCredentials &creden
         return ErrorCode::ServerCgroupMountpoint;
     if (stdOut.contains("have reached") && stdOut.contains("pull rate limit"))
         return ErrorCode::DockerPullRateLimit;
+    if (stdOut.contains("we now block all IP addresses"))
+        return ErrorCode::ServerIPaddressBlockedByDocker;
 
     return error;
 }

client/core/defs.h

@@ -61,6 +61,8 @@ namespace amnezia
         ServerDockerOnCgroupsV2 = 211,
         ServerCgroupMountpoint = 212,
         DockerPullRateLimit = 213,
+        ServerLinuxKernelTooOld = 214,
+        ServerIPaddressBlockedByDocker = 215,
 
         // Ssh connection errors
         SshRequestDeniedError = 300,

client/core/errorstrings.cpp

@@ -29,6 +29,8 @@ QString errorString(ErrorCode code) {
     case(ErrorCode::ServerDockerOnCgroupsV2): errorMessage = QObject::tr("Docker error: runc doesn't work on cgroups v2"); break;
     case(ErrorCode::ServerCgroupMountpoint): errorMessage = QObject::tr("Server error: cgroup mountpoint does not exist"); break;
     case(ErrorCode::DockerPullRateLimit): errorMessage = QObject::tr("Docker error: The pull rate limit has been reached"); break;
+    case(ErrorCode::ServerLinuxKernelTooOld): errorMessage = QObject::tr("Server error: Linux kernel is too old"); break;
+    case(ErrorCode::ServerIPaddressBlockedByDocker): errorMessage = QObject::tr("Docker error: Server IP address blocked by Docker"); break;
 
     // Libssh errors
     case(ErrorCode::SshRequestDeniedError): errorMessage = QObject::tr("SSH request was denied"); break;

client/core/ipcclient.cpp

@@ -7,7 +7,6 @@ IpcClient::IpcClient(QObject *parent) : QObject(parent)
 {
     m_node.connectToNode(QUrl("local:" + amnezia::getIpcServiceUrl()));
     m_interface.reset(m_node.acquire<IpcInterfaceReplica>());
-    m_tun2socks.reset(m_node.acquire<IpcProcessTun2SocksReplica>());
 }
 
 IpcClient& IpcClient::Instance()
@@ -33,68 +32,43 @@ QSharedPointer<IpcInterfaceReplica> IpcClient::Interface()
     return rep;
 }
 
-QSharedPointer<IpcProcessTun2SocksReplica> IpcClient::InterfaceTun2Socks()
+QSharedPointer<IpcProcessInterfaceReplica> IpcClient::CreatePrivilegedProcess()
 {
-    QSharedPointer<IpcProcessTun2SocksReplica> rep = Instance().m_tun2socks;
-    if (rep.isNull()) {
-        qCritical() << "IpcClient::InterfaceTun2Socks: Replica is undefined";
-        return nullptr;
-    }
-    if (!rep->waitForSource(1000)) {
-        qCritical() << "IpcClient::InterfaceTun2Socks: Failed to initialize replica";
-        return nullptr;
-    }
-    if (!rep->isReplicaValid()) {
-        qWarning() << "IpcClient::InterfaceTun2Socks(): Replica is invalid";
-    }
-    return rep;
-}
-
-QSharedPointer<PrivilegedProcess> IpcClient::CreatePrivilegedProcess()
-{
-    QSharedPointer<IpcInterfaceReplica> rep = Interface();
-    if (!rep) {
-        qCritical() << "IpcClient::createPrivilegedProcess: Replica is invalid";
-        return nullptr;
-    }
-
-    QRemoteObjectPendingReply<int> pidReply = rep->createPrivilegedProcess();
-    if (!pidReply.waitForFinished(5000)){
-        qCritical() << "IpcClient::createPrivilegedProcess: Failed to execute RO createPrivilegedProcess call";
-        return nullptr;
-    }
-
-    int pid = pidReply.returnValue();
-    QSharedPointer<ProcessDescriptor> pd(new ProcessDescriptor());
-
-    pd->localSocket.reset(new QLocalSocket(pd->replicaNode.data()));
-
-    connect(pd->localSocket.data(), &QLocalSocket::connected, pd->replicaNode.data(), [pd]() {
-        pd->replicaNode->addClientSideConnection(pd->localSocket.data());
-
-        IpcProcessInterfaceReplica *repl = pd->replicaNode->acquire<IpcProcessInterfaceReplica>();
-        // TODO: rework the unsafe cast below
-        PrivilegedProcess *priv = static_cast<PrivilegedProcess *>(repl);
-        pd->ipcProcess.reset(priv);
-        if (!pd->ipcProcess) {
-            qWarning() << "Acquire PrivilegedProcess failed";
-        } else {
-            pd->ipcProcess->waitForSource(1000);
-            if (!pd->ipcProcess->isReplicaValid()) {
-                qWarning() << "PrivilegedProcess replica is not connected!";
-            }
-
-            QObject::connect(pd->ipcProcess.data(), &PrivilegedProcess::destroyed, pd->ipcProcess.data(),
-                             [pd]() { pd->replicaNode->deleteLater(); });
+    return withInterface([](QSharedPointer<IpcInterfaceReplica> &iface) -> QSharedPointer<IpcProcessInterfaceReplica> {
+        auto createPrivilegedProcess = iface->createPrivilegedProcess();
+        if (!createPrivilegedProcess.waitForFinished()) {
+            qCritical() << "Failed to create privileged process";
+            return nullptr;
         }
-    });
 
-    pd->localSocket->connectToServer(amnezia::getIpcProcessUrl(pid));
-    if (!pd->localSocket->waitForConnected()) {
-        qCritical() << "IpcClient::createPrivilegedProcess: Failed to connect to process' socket";
+        const int pid = createPrivilegedProcess.returnValue();
+
+        auto* node = new QRemoteObjectNode();
+        node->connectToNode(QUrl(QString("local:%1").arg(amnezia::getIpcProcessUrl(pid))));
+
+        QSharedPointer<IpcProcessInterfaceReplica> rep(
+            node->acquire<IpcProcessInterfaceReplica>(),
+            [node] (IpcProcessInterfaceReplica *ptr) {
+                delete ptr;
+                node->deleteLater();
+            }
+        );
+        if (rep.isNull()) {
+            qCritical() << "IpcClient::CreatePrivilegedProcess(): Failed to acquire replica";
+            return nullptr;
+        }
+        if (!rep->waitForSource()) {
+            qCritical() << "IpcClient::CreatePrivilegedProcess(): Failed to initialize replica";
+            return nullptr;
+        }
+        if (!rep->isReplicaValid()) {
+            qCritical() << "IpcClient::CreatePrivilegedProcess(): Replica is invalid";
+            return nullptr;
+        }
+
+        return rep;
+    },
+    []() -> QSharedPointer<IpcProcessInterfaceReplica> {
         return nullptr;
-    }
-
-    auto processReplica = QSharedPointer<PrivilegedProcess>(pd->ipcProcess);
-    return processReplica;
+    });
 }

client/core/ipcclient.h

@@ -5,9 +5,7 @@
 #include <QObject>
 
 #include "rep_ipc_interface_replica.h"
-#include "rep_ipc_process_tun2socks_replica.h"
-
-#include "privileged_process.h"
+#include "rep_ipc_process_interface_replica.h"
 
 class IpcClient : public QObject
 {
@@ -18,8 +16,7 @@ public:
     static IpcClient& Instance();
 
     static QSharedPointer<IpcInterfaceReplica> Interface();
-    static QSharedPointer<IpcProcessTun2SocksReplica> InterfaceTun2Socks();
-    static QSharedPointer<PrivilegedProcess> CreatePrivilegedProcess();
+    static QSharedPointer<IpcProcessInterfaceReplica> CreatePrivilegedProcess();
 
     template <typename Func>
     static auto withInterface(Func func)
@@ -54,18 +51,6 @@ signals:
 private:
     QRemoteObjectNode m_node;
     QSharedPointer<IpcInterfaceReplica> m_interface;
-    QSharedPointer<IpcProcessTun2SocksReplica> m_tun2socks;
-
-    struct ProcessDescriptor {
-        ProcessDescriptor () {
-            replicaNode = QSharedPointer<QRemoteObjectNode>(new QRemoteObjectNode());
-            ipcProcess = QSharedPointer<PrivilegedProcess>();
-            localSocket = QSharedPointer<QLocalSocket>();
-        }
-        QSharedPointer<PrivilegedProcess> ipcProcess;
-        QSharedPointer<QRemoteObjectNode> replicaNode;
-        QSharedPointer<QLocalSocket> localSocket;
-    };
 };
 
 #endif // IPCCLIENT_H

client/core/networkUtilities.cpp

@@ -44,7 +44,6 @@
 
 #include <QHostAddress>
 #include <QHostInfo>
-#include <QDebug>
 
 QRegularExpression NetworkUtilities::ipAddressRegExp()
 {

client/core/privileged_process.cpp

@@ -1,27 +0,0 @@
-#include "privileged_process.h"
-
-PrivilegedProcess::PrivilegedProcess() :
-    IpcProcessInterfaceReplica()
-{
-}
-
-PrivilegedProcess::~PrivilegedProcess()
-{
-    qDebug() << "PrivilegedProcess::~PrivilegedProcess()";
-}
-
-void PrivilegedProcess::waitForFinished(int msecs)
-{
-    QSharedPointer<QEventLoop> loop(new QEventLoop);
-    connect(this, &PrivilegedProcess::finished, this, [this, loop](int exitCode, QProcess::ExitStatus exitStatus) mutable{
-        loop->quit();
-        loop.clear();
-    });
-
-    QTimer::singleShot(msecs, this, [this, loop]() mutable {
-        loop->quit();
-        loop.clear();
-    });
-
-    loop->exec();
-}

client/core/privileged_process.h

@@ -1,24 +0,0 @@
-#ifndef PRIVILEGED_PROCESS_H
-#define PRIVILEGED_PROCESS_H
-
-#include <QObject>
-
-#include "rep_ipc_process_interface_replica.h"
-// This class is dangerous - instance of this class casted from base class,
-// so it support only functions
-// Do not add any members into it
-//
-class PrivilegedProcess : public IpcProcessInterfaceReplica
-{
-    Q_OBJECT
-public:
-    PrivilegedProcess();
-    ~PrivilegedProcess() override;
-
-    void waitForFinished(int msecs);
-
-};
-
-#endif // PRIVILEGED_PROCESS_H
-
-

client/core/transport/dns/dnsPacket.cpp

@@ -1,153 +0,0 @@
-#include "dnsPacket_p.h"
-
-#include <QHostInfo>
-#include <cstring>
-
-namespace amnezia::transport::dns::detail
-{
-
-QHostAddress resolveHostAddress(const QString &host)
-{
-    QHostAddress addr(host);
-    if (!addr.isNull()) return addr;
-    QHostInfo info = QHostInfo::fromName(host);
-    if (!info.addresses().isEmpty()) return info.addresses().first();
-    return QHostAddress();
-}
-
-QByteArray encodeDnsName(const QString &hostname)
-{
-    QByteArray result;
-    const QStringList parts = hostname.split('.');
-
-    for (const QString &part : parts) {
-        if (part.length() > 63) {
-            return QByteArray();
-        }
-        result.append(static_cast<char>(part.length()));
-        result.append(part.toUtf8());
-    }
-    result.append(static_cast<char>(0));
-    return result;
-}
-
-QByteArray buildDnsQuery(const QString &hostname, quint16 transactionId)
-{
-    QByteArray packet;
-
-    DnsHeader header;
-    header.id = qToBigEndian(transactionId);
-    header.flags = qToBigEndian<quint16>(0x0100);
-    header.qdcount = qToBigEndian<quint16>(1);
-    header.ancount = 0;
-    header.nscount = 0;
-    header.arcount = 0;
-
-    packet.append(reinterpret_cast<const char *>(&header), sizeof(DnsHeader));
-
-    const QByteArray qname = encodeDnsName(hostname);
-    if (qname.isEmpty()) {
-        return QByteArray();
-    }
-    packet.append(qname);
-
-    quint16 qtype = qToBigEndian<quint16>(DNS_TYPE_A);
-    packet.append(reinterpret_cast<const char *>(&qtype), sizeof(quint16));
-
-    quint16 qclass = qToBigEndian<quint16>(DNS_CLASS_IN);
-    packet.append(reinterpret_cast<const char *>(&qclass), sizeof(quint16));
-
-    return packet;
-}
-
-QString parseDnsResponse(const QByteArray &response, bool isTcp)
-{
-    if (response.size() < static_cast<int>(sizeof(DnsHeader))) {
-        return QString();
-    }
-
-    int offset = isTcp ? 2 : 0;
-    if (response.size() < offset + static_cast<int>(sizeof(DnsHeader))) {
-        return QString();
-    }
-
-    DnsHeader header;
-    std::memcpy(&header, response.constData() + offset, sizeof(DnsHeader));
-    offset += sizeof(DnsHeader);
-
-    const quint16 flags = qFromBigEndian(header.flags);
-    const quint16 ancount = qFromBigEndian(header.ancount);
-
-    if ((flags & 0x8000) == 0 || (flags & 0x000F) != 0) {
-        return QString();
-    }
-
-    if (ancount == 0) {
-        return QString();
-    }
-
-    while (offset < response.size() && response.at(offset) != 0) {
-        const quint8 length = static_cast<quint8>(response.at(offset));
-        if (length > 63) {
-            return QString();
-        }
-        offset += length + 1;
-    }
-    if (offset >= response.size()) {
-        return QString();
-    }
-    offset++;
-
-    offset += 4;
-
-    for (int i = 0; i < ancount && offset < response.size(); ++i) {
-        if (offset >= response.size()) {
-            break;
-        }
-
-        const quint8 nameByte = static_cast<quint8>(response.at(offset));
-        if ((nameByte & 0xC0) == 0xC0) {
-            offset += 2;
-        } else {
-            while (offset < response.size() && response.at(offset) != 0) {
-                const quint8 length = static_cast<quint8>(response.at(offset));
-                if (length > 63) {
-                    return QString();
-                }
-                offset += length + 1;
-            }
-            offset++;
-        }
-
-        if (offset + 10 > response.size()) {
-            break;
-        }
-
-        const quint16 type =
-                qFromBigEndian<quint16>(*reinterpret_cast<const quint16 *>(response.constData() + offset));
-        offset += 2;
-        offset += 2;
-        offset += 4;
-
-        const quint16 rdlength =
-                qFromBigEndian<quint16>(*reinterpret_cast<const quint16 *>(response.constData() + offset));
-        offset += 2;
-
-        if (type == DNS_TYPE_A && rdlength == 4) {
-            if (offset + 4 > response.size()) {
-                break;
-            }
-
-            QHostAddress ip;
-            ip.setAddress(
-                    qFromBigEndian<quint32>(*reinterpret_cast<const quint32 *>(response.constData() + offset)));
-            return ip.toString();
-        }
-
-        offset += rdlength;
-    }
-
-    return QString();
-}
-
-} // namespace amnezia::transport::dns::detail

client/core/transport/dns/dnsPacket_p.h

@@ -1,38 +0,0 @@
-#ifndef DNSPACKET_P_H
-#define DNSPACKET_P_H
-
-#include <QByteArray>
-#include <QHostAddress>
-#include <QString>
-#include <QtEndian>
-
-namespace amnezia::transport::dns::detail
-{
-
-constexpr quint16 DNS_PORT = 53;
-constexpr quint16 DNS_TYPE_A = 1;
-constexpr quint16 DNS_CLASS_IN = 1;
-
-#pragma pack(push, 1)
-struct DnsHeader
-{
-    quint16 id;
-    quint16 flags;
-    quint16 qdcount;
-    quint16 ancount;
-    quint16 nscount;
-    quint16 arcount;
-};
-#pragma pack(pop)
-
-QHostAddress resolveHostAddress(const QString &host);
-
-QByteArray encodeDnsName(const QString &hostname);
-
-QByteArray buildDnsQuery(const QString &hostname, quint16 transactionId);
-
-QString parseDnsResponse(const QByteArray &response, bool isTcp);
-
-} // namespace amnezia::transport::dns::detail
-
-#endif // DNSPACKET_P_H

client/core/transport/dns/dnsResolver.cpp

@@ -1,354 +0,0 @@
-#include "dnsResolver.h"
-
-#include "dnsPacket_p.h"
-
-#include <QDateTime>
-#include <QEventLoop>
-#include <QHostAddress>
-#include <QNetworkAccessManager>
-#include <QNetworkDatagram>
-#include <QNetworkReply>
-#include <QNetworkRequest>
-#include <QSslSocket>
-#include <QTcpSocket>
-#include <QTimer>
-#include <QUdpSocket>
-#include <QUrl>
-
-namespace amnezia::transport::dns::DnsResolver
-{
-
-using detail::buildDnsQuery;
-using detail::parseDnsResponse;
-using detail::resolveHostAddress;
-
-QString resolve(const QString &hostname,
-                const QString &dnsServer,
-                DnsProtocol protocol,
-                quint16 port,
-                int timeoutMsecs,
-                const QString &dohEndpoint)
-{
-    switch (protocol) {
-    case DnsProtocol::Udp:
-        return resolveOverUdp(hostname, dnsServer, port, timeoutMsecs);
-    case DnsProtocol::Tcp:
-        return resolveOverTcp(hostname, dnsServer, port, timeoutMsecs);
-    case DnsProtocol::Tls:
-        return resolveOverTls(hostname, dnsServer, port, timeoutMsecs);
-    case DnsProtocol::Https:
-        return resolveOverHttps(hostname, dnsServer, dohEndpoint, timeoutMsecs);
-    case DnsProtocol::Quic:
-        return resolveOverQuic(hostname, dnsServer, port, timeoutMsecs);
-    }
-    return QString();
-}
-
-QString resolveOverUdp(const QString &hostname, const QString &dnsServer, quint16 port, int timeoutMsecs)
-{
-    QUdpSocket socket;
-
-    const quint16 transactionId = static_cast<quint16>(QDateTime::currentMSecsSinceEpoch() & 0xFFFF);
-    const QByteArray query = buildDnsQuery(hostname, transactionId);
-    if (query.isEmpty()) {
-        return QString();
-    }
-
-    const QHostAddress dnsAddress = resolveHostAddress(dnsServer);
-    if (dnsAddress.isNull()) {
-        return QString();
-    }
-
-    const qint64 bytesWritten = socket.writeDatagram(query, dnsAddress, port);
-    if (bytesWritten != query.size()) {
-        return QString();
-    }
-
-    QEventLoop loop;
-    QTimer timer;
-    timer.setSingleShot(true);
-    timer.setInterval(timeoutMsecs);
-
-    QByteArray response;
-    bool responseReceived = false;
-
-    QObject::connect(&timer, &QTimer::timeout, &loop, &QEventLoop::quit);
-    QObject::connect(&socket, &QUdpSocket::readyRead, [&]() {
-        while (socket.hasPendingDatagrams()) {
-            QNetworkDatagram datagram = socket.receiveDatagram();
-            if (datagram.isValid()) {
-                response = datagram.data();
-                responseReceived = true;
-                loop.quit();
-            }
-        }
-    });
-
-    timer.start();
-    loop.exec();
-    timer.stop();
-
-    if (!responseReceived || response.isEmpty()) {
-        return QString();
-    }
-
-    return parseDnsResponse(response, false);
-}
-
-QString resolveOverTcp(const QString &hostname, const QString &dnsServer, quint16 port, int timeoutMsecs)
-{
-    QTcpSocket socket;
-
-    const QHostAddress dnsAddress = resolveHostAddress(dnsServer);
-    if (dnsAddress.isNull()) {
-        return QString();
-    }
-
-    socket.connectToHost(dnsAddress, port);
-    if (!socket.waitForConnected(timeoutMsecs)) {
-        return QString();
-    }
-
-    const quint16 transactionId = static_cast<quint16>(QDateTime::currentMSecsSinceEpoch() & 0xFFFF);
-    const QByteArray query = buildDnsQuery(hostname, transactionId);
-    if (query.isEmpty()) {
-        socket.close();
-        return QString();
-    }
-
-    quint16 length = qToBigEndian<quint16>(static_cast<quint16>(query.size()));
-    QByteArray tcpQuery;
-    tcpQuery.append(reinterpret_cast<const char *>(&length), sizeof(quint16));
-    tcpQuery.append(query);
-
-    const qint64 bytesWritten = socket.write(tcpQuery);
-    if (bytesWritten != tcpQuery.size() || !socket.waitForBytesWritten(timeoutMsecs)) {
-        socket.close();
-        return QString();
-    }
-
-    QEventLoop loop;
-    QTimer timer;
-    timer.setSingleShot(true);
-    timer.setInterval(timeoutMsecs);
-
-    QByteArray response;
-    bool responseReceived = false;
-
-    QObject::connect(&timer, &QTimer::timeout, &loop, &QEventLoop::quit);
-    QObject::connect(&socket, &QTcpSocket::readyRead, [&]() {
-        if (socket.bytesAvailable() >= 2 && response.isEmpty()) {
-            QByteArray lengthBytes = socket.read(2);
-            if (lengthBytes.size() == 2) {
-                const quint16 responseLength =
-                        qFromBigEndian<quint16>(*reinterpret_cast<const quint16 *>(lengthBytes.constData()));
-                while (socket.bytesAvailable() < responseLength) {
-                    if (!socket.waitForReadyRead(timeoutMsecs / 2)) {
-                        break;
-                    }
-                }
-                if (socket.bytesAvailable() >= responseLength) {
-                    response = socket.read(responseLength);
-                    responseReceived = true;
-                    loop.quit();
-                }
-            }
-        }
-    });
-
-    timer.start();
-    loop.exec();
-    timer.stop();
-
-    socket.close();
-
-    if (!responseReceived || response.isEmpty()) {
-        return QString();
-    }
-
-    return parseDnsResponse(response, true);
-}
-
-QString resolveOverTls(const QString &hostname, const QString &dnsServer, quint16 port, int timeoutMsecs)
-{
-    QSslSocket socket;
-
-    const QHostAddress dnsAddress = resolveHostAddress(dnsServer);
-    if (dnsAddress.isNull()) {
-        return QString();
-    }
-
-    socket.setPeerVerifyMode(QSslSocket::QueryPeer);
-    socket.connectToHostEncrypted(dnsAddress.toString(), port);
-
-    if (!socket.waitForConnected(timeoutMsecs)) {
-        return QString();
-    }
-
-    if (!socket.waitForEncrypted(timeoutMsecs)) {
-        socket.close();
-        return QString();
-    }
-
-    const quint16 transactionId = static_cast<quint16>(QDateTime::currentMSecsSinceEpoch() & 0xFFFF);
-    const QByteArray query = buildDnsQuery(hostname, transactionId);
-    if (query.isEmpty()) {
-        socket.close();
-        return QString();
-    }
-
-    quint16 length = qToBigEndian<quint16>(static_cast<quint16>(query.size()));
-    QByteArray tlsQuery;
-    tlsQuery.append(reinterpret_cast<const char *>(&length), sizeof(quint16));
-    tlsQuery.append(query);
-
-    const qint64 bytesWritten = socket.write(tlsQuery);
-    if (bytesWritten != tlsQuery.size() || !socket.waitForBytesWritten(timeoutMsecs)) {
-        socket.close();
-        return QString();
-    }
-
-    QEventLoop loop;
-    QTimer timer;
-    timer.setSingleShot(true);
-    timer.setInterval(timeoutMsecs);
-
-    QByteArray response;
-    bool responseReceived = false;
-
-    QObject::connect(&timer, &QTimer::timeout, &loop, &QEventLoop::quit);
-    QObject::connect(&socket, &QSslSocket::readyRead, [&]() {
-        if (socket.bytesAvailable() >= 2 && response.isEmpty()) {
-            QByteArray lengthBytes = socket.read(2);
-            if (lengthBytes.size() == 2) {
-                const quint16 responseLength =
-                        qFromBigEndian<quint16>(*reinterpret_cast<const quint16 *>(lengthBytes.constData()));
-                while (socket.bytesAvailable() < responseLength) {
-                    if (!socket.waitForReadyRead(timeoutMsecs / 2)) {
-                        break;
-                    }
-                }
-                if (socket.bytesAvailable() >= responseLength) {
-                    response = socket.read(responseLength);
-                    responseReceived = true;
-                    loop.quit();
-                }
-            }
-        }
-    });
-
-    timer.start();
-    loop.exec();
-    timer.stop();
-
-    socket.close();
-
-    if (!responseReceived || response.isEmpty()) {
-        return QString();
-    }
-
-    return parseDnsResponse(response, true);
-}
-
-QString resolveOverHttps(const QString &hostname, const QString &dnsServer, const QString &endpoint, int timeoutMsecs)
-{
-    const QString dohUrl = QStringLiteral("https://%1%2").arg(dnsServer, endpoint);
-
-    const quint16 transactionId = static_cast<quint16>(QDateTime::currentMSecsSinceEpoch() & 0xFFFF);
-    const QByteArray query = buildDnsQuery(hostname, transactionId);
-    if (query.isEmpty()) {
-        return QString();
-    }
-
-    QNetworkRequest request;
-    request.setUrl(QUrl(dohUrl));
-    request.setHeader(QNetworkRequest::ContentTypeHeader, "application/dns-message");
-    request.setRawHeader("Accept", "application/dns-message");
-    request.setTransferTimeout(timeoutMsecs);
-
-    QNetworkAccessManager nam;
-    QNetworkReply *reply = nam.post(request, query);
-
-    QEventLoop loop;
-    QTimer timer;
-    timer.setSingleShot(true);
-    timer.setInterval(timeoutMsecs);
-
-    QByteArray response;
-    bool responseReceived = false;
-
-    QObject::connect(&timer, &QTimer::timeout, &loop, &QEventLoop::quit);
-    QObject::connect(reply, &QNetworkReply::finished, [&]() {
-        if (reply->error() == QNetworkReply::NoError) {
-            response = reply->readAll();
-            responseReceived = true;
-        }
-        loop.quit();
-    });
-
-    timer.start();
-    loop.exec();
-    timer.stop();
-
-    reply->deleteLater();
-
-    if (!responseReceived || response.isEmpty()) {
-        return QString();
-    }
-
-    return parseDnsResponse(response, false);
-}
-
-QString resolveOverQuic(const QString &hostname, const QString &dnsServer, quint16 port, int timeoutMsecs)
-{
-    // QUIC требует специальной библиотеки — пока используем UDP fallback
-    QUdpSocket socket;
-
-    const QHostAddress dnsAddress = resolveHostAddress(dnsServer);
-    if (dnsAddress.isNull()) {
-        return QString();
-    }
-
-    const quint16 transactionId = static_cast<quint16>(QDateTime::currentMSecsSinceEpoch() & 0xFFFF);
-    const QByteArray query = buildDnsQuery(hostname, transactionId);
-    if (query.isEmpty()) {
-        return QString();
-    }
-
-    const qint64 bytesWritten = socket.writeDatagram(query, dnsAddress, port);
-    if (bytesWritten != query.size()) {
-        return QString();
-    }
-
-    QEventLoop loop;
-    QTimer timer;
-    timer.setSingleShot(true);
-    timer.setInterval(timeoutMsecs);
-
-    QByteArray response;
-    bool responseReceived = false;
-
-    QObject::connect(&timer, &QTimer::timeout, &loop, &QEventLoop::quit);
-    QObject::connect(&socket, &QUdpSocket::readyRead, [&]() {
-        while (socket.hasPendingDatagrams()) {
-            QNetworkDatagram datagram = socket.receiveDatagram();
-            if (datagram.isValid()) {
-                response = datagram.data();
-                responseReceived = true;
-                loop.quit();
-            }
-        }
-    });
-
-    timer.start();
-    loop.exec();
-    timer.stop();
-
-    if (!responseReceived || response.isEmpty()) {
-        return QString();
-    }
-
-    return parseDnsResponse(response, false);
-}
-
-} // namespace amnezia::transport::dns::DnsResolver

client/core/transport/dns/dnsResolver.h

@@ -1,29 +0,0 @@
-#ifndef DNSRESOLVER_H
-#define DNSRESOLVER_H
-
-#include <QString>
-
-namespace amnezia::transport::dns
-{
-
-enum class DnsProtocol { Udp, Tcp, Tls, Https, Quic };
-
-namespace DnsResolver
-{
-    QString resolve(const QString &hostname,
-                    const QString &dnsServer,
-                    DnsProtocol protocol,
-                    quint16 port,
-                    int timeoutMsecs = 3000,
-                    const QString &dohEndpoint = QStringLiteral("/dns-query"));
-
-    QString resolveOverUdp(const QString &hostname, const QString &dnsServer, quint16 port, int timeoutMsecs = 3000);
-    QString resolveOverTcp(const QString &hostname, const QString &dnsServer, quint16 port, int timeoutMsecs = 3000);
-    QString resolveOverTls(const QString &hostname, const QString &dnsServer, quint16 port, int timeoutMsecs = 3000);
-    QString resolveOverHttps(const QString &hostname, const QString &dnsServer, const QString &endpoint, int timeoutMsecs = 3000);
-    QString resolveOverQuic(const QString &hostname, const QString &dnsServer, quint16 port, int timeoutMsecs = 3000);
-} // namespace DnsResolver
-
-} // namespace amnezia::transport::dns
-
-#endif // DNSRESOLVER_H

client/core/transport/dns/dnsTunnel.cpp

@@ -1,817 +0,0 @@
-#include "dnsTunnel.h"
-
-#include "dnsPacket_p.h"
-
-#include <QDateTime>
-#include <QDebug>
-#include <QElapsedTimer>
-#include <QEventLoop>
-#include <QHostAddress>
-#include <QList>
-#include <QMap>
-#include <QNetworkAccessManager>
-#include <QNetworkDatagram>
-#include <QNetworkReply>
-#include <QNetworkRequest>
-#include <QSharedPointer>
-#include <QSslError>
-#include <QSslSocket>
-#include <QStringList>
-#include <QTcpSocket>
-#include <QThread>
-#include <QTimer>
-#include <QUdpSocket>
-#include <QUrl>
-
-namespace amnezia::transport::dns::DnsTunnel
-{
-
-using detail::resolveHostAddress;
-
-namespace
-{
-    constexpr quint16 EDNS0_PAYLOAD_OPTION_CODE = 65001;
-    constexpr quint16 EDNS0_CHUNK_REQUEST_CODE = 65002;
-    constexpr quint16 EDNS0_CHUNK_RESPONSE_CODE = 65003;
-
-    struct ChunkMeta
-    {
-        QByteArray chunkId;
-        quint16 totalChunks = 0;
-        quint16 chunkIndex = 0;
-        quint32 totalSize = 0;
-    };
-
-    void appendUint16BE(QByteArray &data, quint16 value)
-    {
-        data.append(static_cast<char>((value >> 8) & 0xFF));
-        data.append(static_cast<char>(value & 0xFF));
-    }
-
-    QByteArray buildDnsChunkRequest(const QString &queryName, quint16 transactionId,
-                                    const QByteArray &chunkId, quint16 chunkIndex)
-    {
-        QByteArray query;
-
-        appendUint16BE(query, transactionId);
-        appendUint16BE(query, 0x0100);
-        appendUint16BE(query, 1);
-        appendUint16BE(query, 0);
-        appendUint16BE(query, 0);
-        appendUint16BE(query, 1);
-
-        const QStringList labels = queryName.split('.');
-        for (const QString &label : labels) {
-            QByteArray labelBytes = label.toUtf8();
-            query.append(static_cast<char>(labelBytes.size()));
-            query.append(labelBytes);
-        }
-        query.append(static_cast<char>(0));
-        appendUint16BE(query, 16);
-        appendUint16BE(query, 1);
-
-        const quint16 optionDataLen = 4 + 18;
-
-        query.append(static_cast<char>(0));
-        appendUint16BE(query, 41);
-        appendUint16BE(query, 4096);
-        query.append(static_cast<char>(0));
-        query.append(static_cast<char>(0));
-        appendUint16BE(query, 0);
-        appendUint16BE(query, optionDataLen);
-
-        appendUint16BE(query, EDNS0_CHUNK_REQUEST_CODE);
-        appendUint16BE(query, 18);
-        query.append(chunkId.left(16).leftJustified(16, '\0'));
-        appendUint16BE(query, chunkIndex);
-
-        return query;
-    }
-
-    ChunkMeta parseChunkMeta(const QByteArray &response)
-    {
-        ChunkMeta meta;
-
-        if (response.size() < 12) return meta;
-
-        const quint8 *data = reinterpret_cast<const quint8 *>(response.constData());
-
-        const quint16 qdCount = (data[4] << 8) | data[5];
-        const quint16 anCount = (data[6] << 8) | data[7];
-        const quint16 nsCount = (data[8] << 8) | data[9];
-        const quint16 arCount = (data[10] << 8) | data[11];
-
-        int pos = 12;
-
-        auto skipDnsName = [&]() -> bool {
-            int maxLabels = 128;
-            while (pos < response.size() && data[pos] != 0 && maxLabels-- > 0) {
-                if ((data[pos] & 0xC0) == 0xC0) {
-                    pos += 2;
-                    return pos <= response.size();
-                }
-                const int labelLen = data[pos];
-                if (pos + 1 + labelLen > response.size()) return false;
-                pos += labelLen + 1;
-            }
-            if (pos < response.size() && data[pos] == 0) pos++;
-            return pos <= response.size();
-        };
-
-        for (int i = 0; i < qdCount && pos < response.size(); ++i) {
-            if (!skipDnsName()) return meta;
-            if (pos + 4 > response.size()) return meta;
-            pos += 4;
-        }
-
-        for (int i = 0; i < anCount && pos < response.size(); ++i) {
-            if (!skipDnsName()) return meta;
-            if (pos + 10 > response.size()) return meta;
-            const quint16 rdlen = (data[pos + 8] << 8) | data[pos + 9];
-            if (pos + 10 + rdlen > response.size()) return meta;
-            pos += 10 + rdlen;
-        }
-
-        for (int i = 0; i < nsCount && pos < response.size(); ++i) {
-            if (!skipDnsName()) return meta;
-            if (pos + 10 > response.size()) return meta;
-            const quint16 rdlen = (data[pos + 8] << 8) | data[pos + 9];
-            if (pos + 10 + rdlen > response.size()) return meta;
-            pos += 10 + rdlen;
-        }
-
-        for (int i = 0; i < arCount && pos < response.size(); ++i) {
-            if (pos < response.size() && data[pos] == 0) {
-                pos++;
-            } else {
-                if (!skipDnsName()) return meta;
-            }
-
-            if (pos + 10 > response.size()) return meta;
-
-            const quint16 rtype = (data[pos] << 8) | data[pos + 1];
-            const quint16 rdlen = (data[pos + 8] << 8) | data[pos + 9];
-            if (pos + 10 + rdlen > response.size()) return meta;
-            pos += 10;
-
-            if (rtype == 41 && rdlen > 0) {
-                const int optEnd = pos + rdlen;
-                while (pos + 4 <= optEnd) {
-                    const quint16 optCode = (data[pos] << 8) | data[pos + 1];
-                    const quint16 optLen = (data[pos + 2] << 8) | data[pos + 3];
-                    pos += 4;
-
-                    if (optCode == EDNS0_CHUNK_RESPONSE_CODE && optLen >= 24) {
-                        meta.chunkId = QByteArray(reinterpret_cast<const char *>(data + pos), 16);
-                        meta.totalChunks = (data[pos + 16] << 8) | data[pos + 17];
-                        meta.chunkIndex = (data[pos + 18] << 8) | data[pos + 19];
-                        meta.totalSize = (static_cast<quint32>(data[pos + 20]) << 24)
-                                | (static_cast<quint32>(data[pos + 21]) << 16)
-                                | (static_cast<quint32>(data[pos + 22]) << 8) | data[pos + 23];
-                        return meta;
-                    }
-                    pos += optLen;
-                }
-            } else {
-                pos += rdlen;
-            }
-        }
-
-        return meta;
-    }
-
-    QByteArray buildDnsTxtQueryWithPayload(const QString &queryName, quint16 transactionId, const QByteArray &payload)
-    {
-        QByteArray query;
-
-        appendUint16BE(query, transactionId);
-        appendUint16BE(query, 0x0100);
-        appendUint16BE(query, 1);
-        appendUint16BE(query, 0);
-        appendUint16BE(query, 0);
-        appendUint16BE(query, 1);
-
-        const QStringList labels = queryName.split('.');
-        for (const QString &label : labels) {
-            QByteArray labelBytes = label.toUtf8();
-            query.append(static_cast<char>(labelBytes.size()));
-            query.append(labelBytes);
-        }
-        query.append(static_cast<char>(0));
-        appendUint16BE(query, 16);
-        appendUint16BE(query, 1);
-
-        const QByteArray payloadBase64 = payload.toBase64();
-        const quint16 optionDataLen = 4 + payloadBase64.size();
-
-        query.append(static_cast<char>(0));
-        appendUint16BE(query, 41);
-        appendUint16BE(query, 4096);
-        query.append(static_cast<char>(0));
-        query.append(static_cast<char>(0));
-        appendUint16BE(query, 0);
-        appendUint16BE(query, optionDataLen);
-
-        appendUint16BE(query, EDNS0_PAYLOAD_OPTION_CODE);
-        appendUint16BE(query, payloadBase64.size());
-        query.append(payloadBase64);
-
-        return query;
-    }
-
-    QByteArray parseDnsTxtResponse(const QByteArray &response)
-    {
-        if (response.size() < 12) {
-            return QByteArray();
-        }
-
-        const uchar *data = reinterpret_cast<const uchar *>(response.constData());
-        int pos = 0;
-
-        pos += 2;
-        const quint16 flags = (data[pos] << 8) | data[pos + 1]; pos += 2;
-        const quint16 qdCount = (data[pos] << 8) | data[pos + 1]; pos += 2;
-        const quint16 anCount = (data[pos] << 8) | data[pos + 1]; pos += 2;
-        pos += 2;
-        pos += 2;
-
-        if ((flags & 0x8000) == 0) {
-            return QByteArray();
-        }
-
-        if (anCount > 100 || qdCount > 10) {
-            return QByteArray();
-        }
-
-        auto skipDnsName = [&]() -> bool {
-            int maxLabels = 128;
-            while (pos < response.size() && data[pos] != 0 && maxLabels-- > 0) {
-                if ((data[pos] & 0xC0) == 0xC0) {
-                    pos += 2;
-                    return pos <= response.size();
-                }
-                const int labelLen = data[pos];
-                if (pos + 1 + labelLen > response.size()) return false;
-                pos += labelLen + 1;
-            }
-            if (pos < response.size() && data[pos] == 0) pos++;
-            return pos <= response.size();
-        };
-
-        for (int i = 0; i < qdCount && pos < response.size(); ++i) {
-            if (!skipDnsName()) {
-                return QByteArray();
-            }
-            if (pos + 4 > response.size()) return QByteArray();
-            pos += 4;
-        }
-
-        QByteArray combinedTxt;
-        for (int i = 0; i < anCount && pos < response.size(); ++i) {
-            if (!skipDnsName()) {
-                break;
-            }
-
-            if (pos + 10 > response.size()) {
-                break;
-            }
-
-            const quint16 rtype = (data[pos] << 8) | data[pos + 1]; pos += 2;
-            pos += 2; // class
-            pos += 4; // ttl
-            const quint16 rdlength = (data[pos] << 8) | data[pos + 1]; pos += 2;
-
-            if (pos + rdlength > response.size()) {
-                break;
-            }
-
-            if (rtype == 16) {
-                const int rdEnd = pos + rdlength;
-                while (pos < rdEnd && pos < response.size()) {
-                    const quint8 txtLen = data[pos++];
-                    if (txtLen > 0 && pos + txtLen <= rdEnd && pos + txtLen <= response.size()) {
-                        combinedTxt.append(reinterpret_cast<const char *>(data + pos), txtLen);
-                        pos += txtLen;
-                    } else {
-                        break;
-                    }
-                }
-            } else {
-                pos += rdlength;
-            }
-        }
-
-        if (combinedTxt.isEmpty()) {
-            return QByteArray();
-        }
-
-        return QByteArray::fromBase64(combinedTxt);
-    }
-} // namespace
-
-QByteArray send(const QByteArray &payload,
-                const QString &endpointName,
-                const QString &baseDomain,
-                const QString &dnsServer,
-                DnsProtocol protocol,
-                quint16 port,
-                int timeoutMsecs,
-                const QString &dohEndpoint)
-{
-    const QString queryName = QStringLiteral("%1.%2").arg(endpointName, baseDomain);
-
-    switch (protocol) {
-    case DnsProtocol::Udp:
-        return sendOverUdpChunked(payload, queryName, dnsServer, port, timeoutMsecs);
-    case DnsProtocol::Tcp:
-        return sendOverTcp(payload, queryName, dnsServer, port, timeoutMsecs);
-    case DnsProtocol::Tls:
-        return sendOverTls(payload, queryName, dnsServer, port, timeoutMsecs);
-    case DnsProtocol::Https:
-        return sendOverHttps(payload, queryName, dnsServer, port, dohEndpoint, timeoutMsecs);
-    case DnsProtocol::Quic:
-        return QByteArray();
-    }
-    return QByteArray();
-}
-
-QByteArray sendOverUdp(const QByteArray &payload, const QString &queryName,
-                       const QString &dnsServer, quint16 port, int timeoutMsecs)
-{
-    QUdpSocket socket;
-
-    const quint16 transactionId = static_cast<quint16>(QDateTime::currentMSecsSinceEpoch() & 0xFFFF);
-    const QByteArray query = buildDnsTxtQueryWithPayload(queryName, transactionId, payload);
-
-    if (query.isEmpty()) {
-        return QByteArray();
-    }
-
-    const QHostAddress dnsAddress = resolveHostAddress(dnsServer);
-    if (dnsAddress.isNull()) {
-        return QByteArray();
-    }
-
-    const qint64 bytesWritten = socket.writeDatagram(query, dnsAddress, port);
-    if (bytesWritten != query.size()) {
-        return QByteArray();
-    }
-
-    QElapsedTimer timer;
-    timer.start();
-
-    while (timer.elapsed() < timeoutMsecs) {
-        if (socket.waitForReadyRead(qMax(1, timeoutMsecs - static_cast<int>(timer.elapsed())))) {
-            while (socket.hasPendingDatagrams()) {
-                QNetworkDatagram datagram = socket.receiveDatagram();
-                if (datagram.isValid()) {
-                    return parseDnsTxtResponse(datagram.data());
-                }
-            }
-        }
-    }
-
-    return QByteArray();
-}
-
-QByteArray sendOverTcp(const QByteArray &payload, const QString &queryName,
-                       const QString &dnsServer, quint16 port, int timeoutMsecs)
-{
-    qDebug() << "[DNS-TCP] start: queryName=" << queryName << "server=" << dnsServer
-             << "port=" << port << "payloadBytes=" << payload.size();
-    QTcpSocket socket;
-
-    const QHostAddress dnsAddress = resolveHostAddress(dnsServer);
-    if (dnsAddress.isNull()) {
-        qWarning() << "[DNS-TCP] failed to resolve" << dnsServer;
-        return QByteArray();
-    }
-
-    socket.connectToHost(dnsAddress, port);
-    if (!socket.waitForConnected(timeoutMsecs)) {
-        qWarning() << "[DNS-TCP] connect failed:" << socket.errorString();
-        return QByteArray();
-    }
-    qDebug() << "[DNS-TCP] connected";
-
-    const quint16 transactionId = static_cast<quint16>(QDateTime::currentMSecsSinceEpoch() & 0xFFFF);
-    const QByteArray query = buildDnsTxtQueryWithPayload(queryName, transactionId, payload);
-
-    if (query.isEmpty()) {
-        qWarning() << "[DNS-TCP] failed to build DNS query";
-        socket.close();
-        return QByteArray();
-    }
-    qDebug() << "[DNS-TCP] built DNS query bytes=" << query.size() << "txid=" << transactionId;
-    quint16 length = qToBigEndian<quint16>(static_cast<quint16>(query.size()));
-    QByteArray tcpQuery;
-    tcpQuery.append(reinterpret_cast<const char *>(&length), sizeof(quint16));
-    tcpQuery.append(query);
-
-    const qint64 bytesWritten = socket.write(tcpQuery);
-    qDebug() << "[DNS-TCP] wrote bytes=" << bytesWritten << "/ expected=" << tcpQuery.size();
-    if (bytesWritten != tcpQuery.size() || !socket.waitForBytesWritten(timeoutMsecs)) {
-        qWarning() << "[DNS-TCP] write failed:" << socket.errorString();
-        socket.close();
-        return QByteArray();
-    }
-
-    QElapsedTimer timer;
-    timer.start();
-
-    while (socket.bytesAvailable() < 2) {
-        const int remaining = timeoutMsecs - timer.elapsed();
-        if (remaining <= 0 || !socket.waitForReadyRead(remaining)) {
-            qWarning() << "[DNS-TCP] timeout waiting for response length, socketState="
-                       << socket.state() << "err=" << socket.errorString()
-                       << "bytesAvailable=" << socket.bytesAvailable();
-            socket.close();
-            return QByteArray();
-        }
-    }
-
-    QByteArray lengthBytes = socket.read(2);
-    if (lengthBytes.size() != 2) {
-        qWarning() << "[DNS-TCP] could not read length prefix";
-        socket.close();
-        return QByteArray();
-    }
-
-    const quint16 responseLength =
-            qFromBigEndian<quint16>(*reinterpret_cast<const quint16 *>(lengthBytes.constData()));
-    qDebug() << "[DNS-TCP] response length prefix=" << responseLength;
-
-    QByteArray response;
-    while (response.size() < responseLength) {
-        const int remaining = timeoutMsecs - timer.elapsed();
-        if (remaining <= 0) {
-            qWarning() << "[DNS-TCP] timeout reading body, got" << response.size() << "/" << responseLength;
-            socket.close();
-            return QByteArray();
-        }
-
-        if (socket.bytesAvailable() > 0) {
-            response.append(socket.read(responseLength - response.size()));
-        } else if (!socket.waitForReadyRead(remaining)) {
-            qWarning() << "[DNS-TCP] timeout in waitForReadyRead, got" << response.size() << "/" << responseLength;
-            socket.close();
-            return QByteArray();
-        }
-    }
-
-    qDebug() << "[DNS-TCP] full response read, bytes=" << response.size();
-    socket.close();
-    QByteArray parsed = parseDnsTxtResponse(response);
-    qDebug() << "[DNS-TCP] parsed TXT payload bytes=" << parsed.size();
-    return parsed;
-}
-
-QByteArray sendOverTls(const QByteArray &payload, const QString &queryName,
-                       const QString &dnsServer, quint16 port, int timeoutMsecs)
-{
-    QSslSocket socket;
-#ifdef AGW_INSECURE_SSL
-    socket.setPeerVerifyMode(QSslSocket::VerifyNone);
-    QObject::connect(&socket, QOverload<const QList<QSslError> &>::of(&QSslSocket::sslErrors),
-                     &socket, [&socket](const QList<QSslError> &errs) {
-                         qWarning() << "[DoT] sslErrors (ignored, AGW_INSECURE_SSL=1):" << errs;
-                         socket.ignoreSslErrors();
-                     });
-#else
-    socket.setPeerVerifyMode(QSslSocket::VerifyPeer);
-#endif
-
-    const QHostAddress dnsAddress = resolveHostAddress(dnsServer);
-    if (dnsAddress.isNull()) {
-        qWarning() << "[DoT] failed to resolve" << dnsServer;
-        return QByteArray();
-    }
-
-    socket.connectToHostEncrypted(dnsServer, port);
-    if (!socket.waitForEncrypted(timeoutMsecs)) {
-        qWarning() << "[DoT] handshake failed:" << socket.errorString();
-        return QByteArray();
-    }
-
-    const quint16 transactionId = static_cast<quint16>(QDateTime::currentMSecsSinceEpoch() & 0xFFFF);
-    const QByteArray query = buildDnsTxtQueryWithPayload(queryName, transactionId, payload);
-
-    if (query.isEmpty()) {
-        socket.close();
-        return QByteArray();
-    }
-
-    quint16 length = qToBigEndian<quint16>(static_cast<quint16>(query.size()));
-    QByteArray tcpQuery;
-    tcpQuery.append(reinterpret_cast<const char *>(&length), sizeof(quint16));
-    tcpQuery.append(query);
-
-    const qint64 bytesWritten = socket.write(tcpQuery);
-    if (bytesWritten != tcpQuery.size() || !socket.waitForBytesWritten(timeoutMsecs)) {
-        socket.close();
-        return QByteArray();
-    }
-
-    QElapsedTimer timer;
-    timer.start();
-
-    while (socket.bytesAvailable() < 2) {
-        const int remaining = timeoutMsecs - timer.elapsed();
-        if (remaining <= 0 || !socket.waitForReadyRead(remaining)) {
-            socket.close();
-            return QByteArray();
-        }
-    }
-
-    QByteArray lengthBytes = socket.read(2);
-    if (lengthBytes.size() != 2) {
-        socket.close();
-        return QByteArray();
-    }
-
-    const quint16 responseLength =
-            qFromBigEndian<quint16>(*reinterpret_cast<const quint16 *>(lengthBytes.constData()));
-
-    QByteArray response;
-    while (response.size() < responseLength) {
-        const int remaining = timeoutMsecs - timer.elapsed();
-        if (remaining <= 0) {
-            socket.close();
-            return QByteArray();
-        }
-
-        if (socket.bytesAvailable() > 0) {
-            response.append(socket.read(responseLength - response.size()));
-        } else if (!socket.waitForReadyRead(remaining)) {
-            socket.close();
-            return QByteArray();
-        }
-    }
-
-    socket.close();
-    return parseDnsTxtResponse(response);
-}
-
-QByteArray sendOverHttps(const QByteArray &payload, const QString &queryName,
-                         const QString &dnsServer, quint16 port, const QString &endpoint, int timeoutMsecs)
-{
-    const quint16 transactionId = static_cast<quint16>(QDateTime::currentMSecsSinceEpoch() & 0xFFFF);
-    const QByteArray dnsQuery = buildDnsTxtQueryWithPayload(queryName, transactionId, payload);
-
-    qDebug() << "[DoH] queryName=" << queryName << "payloadBytes=" << payload.size()
-             << "dnsQueryBytes=" << dnsQuery.size() << "txid=" << transactionId;
-
-    if (dnsQuery.isEmpty()) {
-        qWarning() << "[DoH] failed to build DNS query (payload too big or queryName invalid)";
-        return QByteArray();
-    }
-
-    const QString scheme = (port == 443) ? QStringLiteral("https") : QStringLiteral("http");
-    const QString url = QStringLiteral("%1://%2:%3%4").arg(scheme).arg(dnsServer).arg(port).arg(endpoint);
-
-    qDebug() << "[DoH] POST" << url << "timeoutMs=" << timeoutMsecs;
-
-    QNetworkRequest request((QUrl(url)));
-    request.setHeader(QNetworkRequest::ContentTypeHeader, "application/dns-message");
-    request.setRawHeader("Accept", "application/dns-message");
-    request.setTransferTimeout(timeoutMsecs);
-
-    QNetworkAccessManager manager;
-    QNetworkReply *reply = manager.post(request, dnsQuery);
-
-    QObject::connect(reply, &QNetworkReply::sslErrors, reply,
-                     [reply](const QList<QSslError> &errs) {
-                         qWarning() << "[DoH] sslErrors:" << errs;
-#ifdef AGW_INSECURE_SSL
-                         qWarning() << "[DoH] AGW_INSECURE_SSL=1, ignoring SSL errors";
-                         reply->ignoreSslErrors();
-#endif
-                     });
-
-    QEventLoop loop;
-    QObject::connect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
-
-    QTimer::singleShot(timeoutMsecs, &loop, &QEventLoop::quit);
-    loop.exec();
-
-    if (!reply->isFinished()) {
-        qWarning() << "[DoH] timeout after" << timeoutMsecs << "ms, aborting";
-        reply->abort();
-        reply->deleteLater();
-        return QByteArray();
-    }
-
-    if (reply->error() != QNetworkReply::NoError) {
-        qWarning() << "[DoH] reply error:" << reply->error() << reply->errorString()
-                   << "httpStatus=" << reply->attribute(QNetworkRequest::HttpStatusCodeAttribute);
-        reply->deleteLater();
-        return QByteArray();
-    }
-
-    QByteArray response = reply->readAll();
-    qDebug() << "[DoH] raw HTTP response bytes=" << response.size()
-             << "httpStatus=" << reply->attribute(QNetworkRequest::HttpStatusCodeAttribute);
-    reply->deleteLater();
-
-    if (response.isEmpty()) {
-        qWarning() << "[DoH] empty HTTP response body";
-        return QByteArray();
-    }
-
-    QByteArray parsed = parseDnsTxtResponse(response);
-    qDebug() << "[DoH] parsed TXT payload bytes=" << parsed.size();
-    return parsed;
-}
-
-QByteArray sendOverUdpChunked(const QByteArray &payload, const QString &queryName,
-                              const QString &dnsServer, quint16 port, int timeoutMsecs)
-{
-    qDebug() << "[DNS-UDP] start: queryName=" << queryName << "server=" << dnsServer
-             << "port=" << port << "payloadBytes=" << payload.size() << "timeoutMs=" << timeoutMsecs;
-    const QHostAddress dnsAddress = resolveHostAddress(dnsServer);
-    if (dnsAddress.isNull()) {
-        qWarning() << "[DNS-UDP] failed to resolve" << dnsServer;
-        return QByteArray();
-    }
-    qDebug() << "[DNS-UDP] resolved to" << dnsAddress.toString();
-
-    constexpr int MAX_INITIAL_RETRIES = 3;
-    constexpr int MAX_CHUNK_RETRIES = 2;
-    constexpr int MAX_CONCURRENT_REQUESTS = 5;
-    constexpr int BASE_TIMEOUT_MS = 2000;
-
-    auto sendUdpRequestWithTimeout = [&](const QByteArray &query, int requestTimeoutMs) -> QByteArray {
-        QUdpSocket socket;
-        const qint64 written = socket.writeDatagram(query, dnsAddress, port);
-        if (written != query.size()) {
-            return QByteArray();
-        }
-
-        QElapsedTimer timer;
-        timer.start();
-
-        while (timer.elapsed() < requestTimeoutMs) {
-            if (socket.waitForReadyRead(qMax(1, requestTimeoutMs - static_cast<int>(timer.elapsed())))) {
-                while (socket.hasPendingDatagrams()) {
-                    QNetworkDatagram datagram = socket.receiveDatagram();
-                    if (datagram.isValid()) {
-                        return datagram.data();
-                    }
-                }
-            }
-        }
-
-        return QByteArray();
-    };
-
-    auto sendWithRetry = [&](const QByteArray &query, int maxRetries) -> QByteArray {
-        for (int attempt = 0; attempt < maxRetries; ++attempt) {
-            const int timeout = BASE_TIMEOUT_MS * (attempt + 1);
-            QByteArray response = sendUdpRequestWithTimeout(query, timeout);
-            if (!response.isEmpty()) {
-                return response;
-            }
-
-            if (attempt < maxRetries - 1) {
-                QThread::msleep(timeout / 2);
-            }
-        }
-        return QByteArray();
-    };
-
-    const quint16 transactionId = static_cast<quint16>(QDateTime::currentMSecsSinceEpoch() & 0xFFFF);
-    const QByteArray initialQuery = buildDnsTxtQueryWithPayload(queryName, transactionId, payload);
-
-    qDebug() << "[DNS-UDP] initialQuery size=" << initialQuery.size() << "txid=" << transactionId;
-
-    if (initialQuery.isEmpty()) {
-        qWarning() << "[DNS-UDP] failed to build initial query (payload too big or queryName invalid)";
-        return QByteArray();
-    }
-
-    const QByteArray firstResponse = sendWithRetry(initialQuery, MAX_INITIAL_RETRIES);
-    qDebug() << "[DNS-UDP] first response size=" << firstResponse.size();
-
-    if (firstResponse.isEmpty()) {
-        qWarning() << "[DNS-UDP] no response from server after" << MAX_INITIAL_RETRIES << "retries";
-        return QByteArray();
-    }
-
-    const ChunkMeta meta = parseChunkMeta(firstResponse);
-    const QByteArray firstTxtData = parseDnsTxtResponse(firstResponse);
-
-    qDebug() << "[DNS-UDP] meta totalChunks=" << meta.totalChunks
-             << "chunkId=" << meta.chunkId << "firstTxtData size=" << firstTxtData.size();
-
-    if (firstTxtData.isEmpty()) {
-        qWarning() << "[DNS-UDP] failed to parse TXT data from first response";
-        return QByteArray();
-    }
-
-    if (meta.totalChunks <= 1) {
-        qDebug() << "[DNS-UDP] single chunk, returning" << firstTxtData.size() << "bytes";
-        return firstTxtData;
-    }
-
-    QMap<int, QByteArray> chunks;
-    chunks[0] = firstTxtData;
-
-    auto requestChunksBatch = [&](const QList<int> &chunkIndices, int batchTimeout) {
-        if (chunkIndices.isEmpty()) return;
-
-        QList<QSharedPointer<QUdpSocket>> sockets;
-        QMap<QUdpSocket *, int> socketToIndex;
-
-        for (int idx : chunkIndices) {
-            if (chunks.contains(idx)) continue;
-
-            const quint16 chunkTxId =
-                    static_cast<quint16>((QDateTime::currentMSecsSinceEpoch() + idx) & 0xFFFF);
-            const QByteArray chunkQuery =
-                    buildDnsChunkRequest(queryName, chunkTxId, meta.chunkId, idx);
-
-            if (chunkQuery.isEmpty()) {
-                continue;
-            }
-
-            auto socket = QSharedPointer<QUdpSocket>::create();
-            socket->writeDatagram(chunkQuery, dnsAddress, port);
-            socketToIndex[socket.data()] = idx;
-            sockets.append(socket);
-        }
-
-        if (sockets.isEmpty()) return;
-
-        QElapsedTimer deadline;
-        deadline.start();
-        int receivedCount = 0;
-        const int expectedCount = sockets.size();
-
-        while (deadline.elapsed() < batchTimeout && receivedCount < expectedCount
-               && chunks.size() < meta.totalChunks) {
-            for (auto &socket : sockets) {
-                if (socket->waitForReadyRead(50)) {
-                    while (socket->hasPendingDatagrams()) {
-                        QNetworkDatagram datagram = socket->receiveDatagram();
-                        if (datagram.isValid()) {
-                            const QByteArray chunkTxtData = parseDnsTxtResponse(datagram.data());
-                            if (!chunkTxtData.isEmpty()) {
-                                const ChunkMeta chunkMeta = parseChunkMeta(datagram.data());
-                                const int idx = (chunkMeta.totalChunks > 0)
-                                        ? chunkMeta.chunkIndex
-                                        : socketToIndex.value(socket.data(), -1);
-                                if (idx >= 0 && !chunks.contains(idx)) {
-                                    chunks[idx] = chunkTxtData;
-                                    receivedCount++;
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-        }
-    };
-
-    const int totalTimeout = qMax(timeoutMsecs / 2, 5000);
-    const int batchTimeout = totalTimeout / (MAX_CHUNK_RETRIES + 1);
-
-    for (int retryRound = 0; retryRound <= MAX_CHUNK_RETRIES; ++retryRound) {
-        QList<int> missing;
-        for (int i = 1; i < meta.totalChunks; ++i) {
-            if (!chunks.contains(i)) {
-                missing.append(i);
-            }
-        }
-
-        if (missing.isEmpty()) {
-            break;
-        }
-
-        for (int batchStart = 0; batchStart < missing.size(); batchStart += MAX_CONCURRENT_REQUESTS) {
-            const QList<int> batch = missing.mid(batchStart, MAX_CONCURRENT_REQUESTS);
-            requestChunksBatch(batch, batchTimeout);
-        }
-    }
-
-    QList<int> finalMissing;
-    for (int i = 0; i < meta.totalChunks; ++i) {
-        if (!chunks.contains(i)) {
-            finalMissing.append(i);
-        }
-    }
-
-    if (!finalMissing.isEmpty()) {
-        return QByteArray();
-    }
-
-    QByteArray combined;
-    combined.reserve(meta.totalSize > 0 ? meta.totalSize : meta.totalChunks * 500);
-
-    for (int i = 0; i < meta.totalChunks; ++i) {
-        combined.append(chunks[i]);
-    }
-
-    return combined;
-}
-
-} // namespace amnezia::transport::dns::DnsTunnel

client/core/transport/dns/dnsTunnel.h

@@ -1,35 +0,0 @@
-#ifndef DNSTUNNEL_H
-#define DNSTUNNEL_H
-
-#include <QByteArray>
-#include <QString>
-
-#include "dnsResolver.h"
-
-namespace amnezia::transport::dns::DnsTunnel
-{
-
-QByteArray send(const QByteArray &payload,
-                const QString &endpointName,
-                const QString &baseDomain,
-                const QString &dnsServer,
-                DnsProtocol protocol,
-                quint16 port,
-                int timeoutMsecs = 30000,
-                const QString &dohEndpoint = QStringLiteral("/dns-query"));
-
-QByteArray sendOverUdp(const QByteArray &payload, const QString &queryName,
-                       const QString &dnsServer, quint16 port, int timeoutMsecs);
-QByteArray sendOverTcp(const QByteArray &payload, const QString &queryName,
-                       const QString &dnsServer, quint16 port, int timeoutMsecs);
-QByteArray sendOverTls(const QByteArray &payload, const QString &queryName,
-                       const QString &dnsServer, quint16 port, int timeoutMsecs);
-QByteArray sendOverHttps(const QByteArray &payload, const QString &queryName,
-                         const QString &dnsServer, quint16 port, const QString &endpoint, int timeoutMsecs);
-
-QByteArray sendOverUdpChunked(const QByteArray &payload, const QString &queryName,
-                              const QString &dnsServer, quint16 port, int timeoutMsecs);
-
-} // namespace amnezia::transport::dns::DnsTunnel
-
-#endif // DNSTUNNEL_H

client/core/transport/dnsGatewayTransport.cpp

@@ -1,157 +0,0 @@
-#include "dnsGatewayTransport.h"
-
-#include <QDebug>
-#include <QHostAddress>
-#include <QHostInfo>
-#include <QSharedPointer>
-#include <QStringList>
-
-#include "dns/dnsTunnel.h"
-#include "core/networkUtilities.h"
-
-#ifdef AMNEZIA_DESKTOP
-    #include "core/ipcclient.h"
-#endif
-
-namespace amnezia::transport
-{
-
-DnsGatewayTransport::DnsGatewayTransport(dns::DnsProtocol protocol,
-                                         const QString &dnsServer,
-                                         const QString &baseDomain,
-                                         quint16 port,
-                                         int timeoutMsecs,
-                                         bool isStrictKillSwitchEnabled,
-                                         const QString &dohEndpoint)
-    : m_protocol(protocol),
-      m_dnsServer(dnsServer),
-      m_baseDomain(baseDomain),
-      m_port(port),
-      m_timeoutMsecs(timeoutMsecs),
-      m_isStrictKillSwitchEnabled(isStrictKillSwitchEnabled),
-      m_dohEndpoint(dohEndpoint)
-{
-}
-
-QString DnsGatewayTransport::name() const
-{
-    switch (m_protocol) {
-    case dns::DnsProtocol::Udp:   return QStringLiteral("DNS-UDP");
-    case dns::DnsProtocol::Tcp:   return QStringLiteral("DNS-TCP");
-    case dns::DnsProtocol::Tls:   return QStringLiteral("DNS-DoT");
-    case dns::DnsProtocol::Https: return QStringLiteral("DNS-DoH");
-    case dns::DnsProtocol::Quic:  return QStringLiteral("DNS-DoQ");
-    }
-    return QStringLiteral("DNS");
-}
-
-QString DnsGatewayTransport::resolveServerOnce()
-{
-    if (m_resolved.load()) {
-        return m_resolvedServerIp;
-    }
-
-    QHostAddress addr(m_dnsServer);
-    if (!addr.isNull()) {
-        m_resolvedServerIp = m_dnsServer;
-    } else {
-        QHostInfo info = QHostInfo::fromName(m_dnsServer);
-        if (!info.addresses().isEmpty()) {
-            m_resolvedServerIp = info.addresses().first().toString();
-        } else {
-            m_resolvedServerIp = m_dnsServer;
-        }
-    }
-    m_resolved.store(true);
-    return m_resolvedServerIp;
-}
-
-void DnsGatewayTransport::applyKillSwitchAllowlist(const QString &ip)
-{
-#ifdef AMNEZIA_DESKTOP
-    if (!m_isStrictKillSwitchEnabled || ip.isEmpty()) {
-        return;
-    }
-    IpcClient::withInterface([&](QSharedPointer<IpcInterfaceReplica> iface) {
-        QRemoteObjectPendingReply<bool> reply = iface->addKillSwitchAllowedRange(QStringList { ip });
-        if (!reply.waitForFinished(1000) || !reply.returnValue()) {
-            qWarning() << "DnsGatewayTransport: addKillSwitchAllowedRange failed for" << ip;
-        }
-    });
-#else
-    Q_UNUSED(ip)
-#endif
-}
-
-amnezia::ErrorCode DnsGatewayTransport::send(const QString &endpointTemplate,
-                                             const QByteArray &requestBody,
-                                             QByteArray &decryptedResponse,
-                                             const DecryptionHook &decryptionHook)
-{
-    QString endpointName = endpointTemplate;
-    endpointName.remove("%1");
-    if (endpointName.startsWith(QLatin1String("v1/"))) {
-        endpointName = endpointName.mid(3);
-    }
-    while (endpointName.endsWith(QLatin1Char('/'))) {
-        endpointName.chop(1);
-    }
-    while (endpointName.startsWith(QLatin1Char('/'))) {
-        endpointName = endpointName.mid(1);
-    }
-
-    qDebug() << "[DNS-Transport]" << name() << "send() endpointTemplate=" << endpointTemplate
-             << "endpointName=" << endpointName << "baseDomain=" << m_baseDomain
-             << "server=" << m_dnsServer << "port=" << m_port
-             << "dohPath=" << m_dohEndpoint << "timeoutMs=" << m_timeoutMsecs
-             << "requestBodyBytes=" << requestBody.size();
-
-    if (endpointName.isEmpty() || m_baseDomain.isEmpty() || m_dnsServer.isEmpty()) {
-        qWarning() << "[DNS-Transport] ABORT: empty endpoint/baseDomain/server";
-        return amnezia::ErrorCode::AmneziaServiceConnectionFailed;
-    }
-
-    const bool needsHostname = (m_protocol == dns::DnsProtocol::Tls
-                                || m_protocol == dns::DnsProtocol::Https);
-
-    QString serverIp = resolveServerOnce();
-    QString serverForRequest = needsHostname ? m_dnsServer : serverIp;
-
-    qDebug() << "[DNS-Transport] resolved server IP=" << serverIp
-             << "serverForRequest=" << serverForRequest
-             << "needsHostname=" << needsHostname;
-
-    applyKillSwitchAllowlist(serverIp);
-
-    const QByteArray encrypted = dns::DnsTunnel::send(requestBody,
-                                                      endpointName,
-                                                      m_baseDomain,
-                                                      serverForRequest,
-                                                      m_protocol,
-                                                      m_port,
-                                                      m_timeoutMsecs,
-                                                      m_dohEndpoint);
-    qDebug() << "[DNS-Transport] DnsTunnel::send returned" << encrypted.size() << "bytes";
-    if (encrypted.isEmpty()) {
-        qWarning() << "[DNS-Transport] DnsTunnel returned empty payload, treat as connection failure";
-        return amnezia::ErrorCode::AmneziaServiceConnectionFailed;
-    }
-
-    if (!decryptionHook) {
-        qCritical() << "[DNS-Transport] decryption hook is null";
-        return amnezia::ErrorCode::ApiConfigDecryptionError;
-    }
-
-    DecryptionResult decrypted = decryptionHook(encrypted);
-    if (!decrypted.isOk) {
-        qCritical() << "[DNS-Transport] response decryption failed (encrypted bytes="
-                    << encrypted.size() << ")";
-        return amnezia::ErrorCode::ApiConfigDecryptionError;
-    }
-
-    qDebug() << "[DNS-Transport] success, decrypted response bytes=" << decrypted.decrypted.size();
-    decryptedResponse = decrypted.decrypted;
-    return amnezia::ErrorCode::NoError;
-}
-
-} // namespace amnezia::transport

client/core/transport/dnsGatewayTransport.h

@@ -1,49 +0,0 @@
-#ifndef DNSGATEWAYTRANSPORT_H
-#define DNSGATEWAYTRANSPORT_H
-
-#include <QString>
-#include <atomic>
-
-#include "dns/dnsResolver.h"
-#include "igatewaytransport.h"
-
-namespace amnezia::transport
-{
-
-class DnsGatewayTransport : public IGatewayTransport
-{
-public:
-    DnsGatewayTransport(dns::DnsProtocol protocol,
-                        const QString &dnsServer,
-                        const QString &baseDomain,
-                        quint16 port,
-                        int timeoutMsecs,
-                        bool isStrictKillSwitchEnabled,
-                        const QString &dohEndpoint = QStringLiteral("/dns-query"));
-
-    QString name() const override;
-
-    amnezia::ErrorCode send(const QString &endpointTemplate,
-                            const QByteArray &requestBody,
-                            QByteArray &decryptedResponse,
-                            const DecryptionHook &decryptionHook) override;
-
-private:
-    QString resolveServerOnce();
-    void applyKillSwitchAllowlist(const QString &ip);
-
-    dns::DnsProtocol m_protocol;
-    QString m_dnsServer;
-    QString m_baseDomain;
-    quint16 m_port;
-    int m_timeoutMsecs;
-    bool m_isStrictKillSwitchEnabled;
-    QString m_dohEndpoint;
-
-    std::atomic_bool m_resolved{ false };
-    QString m_resolvedServerIp;
-};
-
-} // namespace amnezia::transport
-
-#endif // DNSGATEWAYTRANSPORT_H

client/core/transport/httpGatewayTransport.cpp

@@ -1,345 +0,0 @@
-#include "httpGatewayTransport.h"
-
-#include <algorithm>
-#include <random>
-
-#include <QCryptographicHash>
-#include <QDebug>
-#include <QEventLoop>
-#include <QHostAddress>
-#include <QJsonArray>
-#include <QJsonDocument>
-#include <QMutexLocker>
-#include <QNetworkAccessManager>
-#include <QNetworkReply>
-#include <QNetworkRequest>
-#include <QSharedPointer>
-#include <QThread>
-#include <QUrl>
-#include <QUuid>
-
-#include "QBlockCipher.h"
-
-#include "amnezia_application.h"
-#include "core/api/apiUtils.h"
-#include "core/networkUtilities.h"
-#include "utilities.h"
-
-#ifdef AMNEZIA_DESKTOP
-    #include "core/ipcclient.h"
-#endif
-
-#ifdef Q_OS_IOS
-    #include "platforms/ios/ios_controller.h"
-#endif
-
-namespace amnezia::transport
-{
-
-QMutex HttpGatewayTransport::s_proxyMutex;
-QString HttpGatewayTransport::s_proxyUrl;
-
-namespace
-{
-    constexpr int kProxyHealthTimeoutMsecs = 1000;
-    constexpr int httpStatusCodeNotFound = 404;
-    constexpr int httpStatusCodeConflict = 409;
-    constexpr int httpStatusCodeNotImplemented = 501;
-
-    constexpr QLatin1String errorResponsePattern1("No active configuration found for");
-    constexpr QLatin1String errorResponsePattern2("No non-revoked public key found for");
-    constexpr QLatin1String errorResponsePattern3("Account not found.");
-    constexpr QLatin1String updateRequestResponsePattern("client version update is required");
-} // namespace
-
-HttpGatewayTransport::HttpGatewayTransport(const QString &endpoint,
-                                           bool isDevEnvironment,
-                                           int requestTimeoutMsecs,
-                                           bool isStrictKillSwitchEnabled)
-    : m_endpoint(endpoint),
-      m_isDevEnvironment(isDevEnvironment),
-      m_requestTimeoutMsecs(requestTimeoutMsecs),
-      m_isStrictKillSwitchEnabled(isStrictKillSwitchEnabled)
-{
-}
-
-void HttpGatewayTransport::applyKillSwitchAllowlist(const QString &host)
-{
-#ifdef AMNEZIA_DESKTOP
-    if (!m_isStrictKillSwitchEnabled || host.isEmpty()) {
-        return;
-    }
-    const QString ip = NetworkUtilities::getIPAddress(host);
-    if (ip.isEmpty()) {
-        return;
-    }
-    IpcClient::withInterface([&](QSharedPointer<IpcInterfaceReplica> iface) {
-        QRemoteObjectPendingReply<bool> reply = iface->addKillSwitchAllowedRange(QStringList { ip });
-        if (!reply.waitForFinished(1000) || !reply.returnValue()) {
-            qWarning() << "HttpGatewayTransport: addKillSwitchAllowedRange failed for" << ip;
-        }
-    });
-#else
-    Q_UNUSED(host)
-#endif
-}
-
-HttpGatewayTransport::ReplyOutcome HttpGatewayTransport::doPost(const QString &fullUrl, const QByteArray &requestBody)
-{
-    ReplyOutcome outcome;
-
-#ifdef Q_OS_IOS
-    IosController::Instance()->requestInetAccess();
-    QThread::msleep(10);
-#endif
-
-    QNetworkRequest request;
-    request.setTransferTimeout(m_requestTimeoutMsecs);
-    request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
-    request.setRawHeader("X-Client-Request-ID",
-                         QUuid::createUuid().toString(QUuid::WithoutBraces).toUtf8());
-    request.setUrl(fullUrl);
-
-    applyKillSwitchAllowlist(QUrl(fullUrl).host());
-
-    QNetworkReply *reply = amnApp->networkManager()->post(request, requestBody);
-
-    QEventLoop wait;
-    QObject::connect(reply, &QNetworkReply::finished, &wait, &QEventLoop::quit);
-    QObject::connect(reply, &QNetworkReply::sslErrors, [&, reply](const QList<QSslError> &errors) {
-        outcome.sslErrors = errors;
-#ifdef AGW_INSECURE_SSL
-        qWarning() << "[HTTP] sslErrors (ignored, AGW_INSECURE_SSL=1):" << errors;
-        reply->ignoreSslErrors();
-        outcome.sslErrors.clear();
-#endif
-    });
-    wait.exec(QEventLoop::ExcludeUserInputEvents);
-
-    outcome.encryptedBody = reply->readAll();
-    outcome.errorString = reply->errorString();
-    outcome.networkError = reply->error();
-    outcome.httpStatusCode = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
-
-    reply->deleteLater();
-    return outcome;
-}
-
-bool HttpGatewayTransport::shouldBypass(const ReplyOutcome &outcome, const DecryptionResult &decrypted) const
-{
-    if (!outcome.sslErrors.isEmpty()) {
-        return false;
-    }
-
-    if (!decrypted.isOk) {
-        return true;
-    }
-
-    int apiHttpStatus = -1;
-    QJsonDocument jsonDoc = QJsonDocument::fromJson(decrypted.decrypted);
-    if (jsonDoc.isObject()) {
-        apiHttpStatus = jsonDoc.object().value("http_status").toInt(-1);
-    }
-
-    if (outcome.networkError == QNetworkReply::NetworkError::OperationCanceledError
-        || outcome.networkError == QNetworkReply::NetworkError::TimeoutError) {
-        return true;
-    }
-    if (decrypted.decrypted.contains("html")) {
-        return true;
-    }
-    if (apiHttpStatus == httpStatusCodeNotFound) {
-        if (decrypted.decrypted.contains(errorResponsePattern1)
-            || decrypted.decrypted.contains(errorResponsePattern2)
-            || decrypted.decrypted.contains(errorResponsePattern3)) {
-            return false;
-        }
-        return true;
-    }
-    if (apiHttpStatus == httpStatusCodeNotImplemented) {
-        if (decrypted.decrypted.contains(updateRequestResponsePattern)) {
-            return false;
-        }
-        return true;
-    }
-    if (apiHttpStatus == httpStatusCodeConflict) {
-        return false;
-    }
-    if (outcome.networkError != QNetworkReply::NetworkError::NoError) {
-        return true;
-    }
-    return false;
-}
-
-QStringList HttpGatewayTransport::fetchProxyUrls(const QByteArray &/*serviceHint*/)
-{
-    QStringList baseUrls = m_isDevEnvironment
-            ? QString(DEV_S3_ENDPOINT).split(", ")
-            : QString(PROD_S3_ENDPOINT).split(", ");
-
-    QByteArray rsaKey = m_isDevEnvironment ? DEV_AGW_PUBLIC_KEY : PROD_AGW_PUBLIC_KEY;
-
-    QStringList proxyStorageUrls;
-    for (const auto &baseUrl : baseUrls) {
-        proxyStorageUrls.push_back(baseUrl + "endpoints.json");
-    }
-
-    QNetworkRequest request;
-    request.setTransferTimeout(m_requestTimeoutMsecs);
-    request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
-
-    for (const auto &proxyStorageUrl : proxyStorageUrls) {
-        request.setUrl(proxyStorageUrl);
-        QNetworkReply *reply = amnApp->networkManager()->get(request);
-        QEventLoop wait;
-        QObject::connect(reply, &QNetworkReply::finished, &wait, &QEventLoop::quit);
-        wait.exec(QEventLoop::ExcludeUserInputEvents);
-
-        if (reply->error() != QNetworkReply::NoError) {
-            reply->deleteLater();
-            continue;
-        }
-
-        QByteArray encryptedResponseBody = reply->readAll();
-        reply->deleteLater();
-
-        QByteArray responseBody;
-        try {
-            if (!m_isDevEnvironment) {
-                QCryptographicHash hash(QCryptographicHash::Sha512);
-                hash.addData(rsaKey);
-                QByteArray hashResult = hash.result().toHex();
-
-                QByteArray key = QByteArray::fromHex(hashResult.left(64));
-                QByteArray iv = QByteArray::fromHex(hashResult.mid(64, 32));
-
-                QSimpleCrypto::QBlockCipher blockCipher;
-                responseBody = blockCipher.decryptAesBlockCipher(QByteArray::fromBase64(encryptedResponseBody), key, iv);
-            } else {
-                responseBody = encryptedResponseBody;
-            }
-        } catch (...) {
-            Utils::logException();
-            qCritical() << "HttpGatewayTransport: error decrypting proxy storage payload";
-            continue;
-        }
-
-        QJsonArray endpointsArray = QJsonDocument::fromJson(responseBody).array();
-        QStringList endpoints;
-        endpoints.reserve(endpointsArray.size());
-        for (const QJsonValue &endpoint : endpointsArray) {
-            endpoints.push_back(endpoint.toString());
-        }
-        return endpoints;
-    }
-
-    return {};
-}
-
-amnezia::ErrorCode HttpGatewayTransport::send(const QString &endpointTemplate,
-                                              const QByteArray &requestBody,
-                                              QByteArray &decryptedResponse,
-                                              const DecryptionHook &decryptionHook)
-{
-    auto buildOutcome = [&](const QString &gatewayBase) {
-        return doPost(endpointTemplate.arg(gatewayBase), requestBody);
-    };
-
-    auto tryDecrypt = [&](const QByteArray &encrypted) -> DecryptionResult {
-        if (!decryptionHook) {
-            DecryptionResult r;
-            r.decrypted = encrypted;
-            r.isOk = false;
-            return r;
-        }
-        return decryptionHook(encrypted);
-    };
-
-    QString cachedProxy;
-    {
-        QMutexLocker lock(&s_proxyMutex);
-        cachedProxy = s_proxyUrl;
-    }
-    const QString primaryBase = cachedProxy.isEmpty() ? m_endpoint : cachedProxy;
-
-    ReplyOutcome outcome = buildOutcome(primaryBase);
-    DecryptionResult decrypted = tryDecrypt(outcome.encryptedBody);
-
-    if (outcome.sslErrors.isEmpty() && shouldBypass(outcome, decrypted)) {
-        QStringList proxyUrls = fetchProxyUrls(QByteArray());
-        std::random_device randomDevice;
-        std::mt19937 generator(randomDevice());
-        std::shuffle(proxyUrls.begin(), proxyUrls.end(), generator);
-
-        bool bypassResolved = false;
-
-        if (cachedProxy.isEmpty()) {
-            QNetworkRequest healthRequest;
-            healthRequest.setTransferTimeout(kProxyHealthTimeoutMsecs);
-            healthRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
-
-            for (const QString &proxyUrl : std::as_const(proxyUrls)) {
-                healthRequest.setUrl(proxyUrl + "lmbd-health");
-                QNetworkReply *reply = amnApp->networkManager()->get(healthRequest);
-                QEventLoop wait;
-                QObject::connect(reply, &QNetworkReply::finished, &wait, &QEventLoop::quit);
-                wait.exec(QEventLoop::ExcludeUserInputEvents);
-
-                const auto err = reply->error();
-                reply->deleteLater();
-                if (err == QNetworkReply::NoError) {
-                    QMutexLocker lock(&s_proxyMutex);
-                    s_proxyUrl = proxyUrl;
-                    cachedProxy = proxyUrl;
-                    break;
-                }
-            }
-        }
-
-        if (!cachedProxy.isEmpty()) {
-            ReplyOutcome retry = buildOutcome(cachedProxy);
-            DecryptionResult retryDecrypted = tryDecrypt(retry.encryptedBody);
-            if (retry.sslErrors.isEmpty() && !shouldBypass(retry, retryDecrypted)) {
-                outcome = retry;
-                decrypted = retryDecrypted;
-                bypassResolved = true;
-            }
-        }
-
-        if (!bypassResolved) {
-            for (const QString &proxyUrl : std::as_const(proxyUrls)) {
-                ReplyOutcome retry = buildOutcome(proxyUrl);
-                DecryptionResult retryDecrypted = tryDecrypt(retry.encryptedBody);
-                if (retry.sslErrors.isEmpty() && !shouldBypass(retry, retryDecrypted)) {
-                    {
-                        QMutexLocker lock(&s_proxyMutex);
-                        s_proxyUrl = proxyUrl;
-                    }
-                    outcome = retry;
-                    decrypted = retryDecrypted;
-                    bypassResolved = true;
-                    break;
-                }
-            }
-        }
-    }
-
-    auto errorCode = apiUtils::checkNetworkReplyErrors(outcome.sslErrors,
-                                                       outcome.errorString,
-                                                       outcome.networkError,
-                                                       outcome.httpStatusCode,
-                                                       decrypted.decrypted);
-    if (errorCode != amnezia::ErrorCode::NoError) {
-        return errorCode;
-    }
-
-    if (!decrypted.isOk) {
-        qCritical() << "HttpGatewayTransport: response decryption failed";
-        return amnezia::ErrorCode::ApiConfigDecryptionError;
-    }
-
-    decryptedResponse = decrypted.decrypted;
-    return amnezia::ErrorCode::NoError;
-}
-
-} // namespace amnezia::transport

client/core/transport/httpGatewayTransport.h

@@ -1,58 +0,0 @@
-#ifndef HTTPGATEWAYTRANSPORT_H
-#define HTTPGATEWAYTRANSPORT_H
-
-#include <QByteArray>
-#include <QList>
-#include <QMutex>
-#include <QNetworkReply>
-#include <QSslError>
-#include <QString>
-#include <QStringList>
-
-#include "igatewaytransport.h"
-
-namespace amnezia::transport
-{
-
-class HttpGatewayTransport : public IGatewayTransport
-{
-public:
-    HttpGatewayTransport(const QString &endpoint,
-                         bool isDevEnvironment,
-                         int requestTimeoutMsecs,
-                         bool isStrictKillSwitchEnabled);
-
-    QString name() const override { return QStringLiteral("HTTP"); }
-
-    amnezia::ErrorCode send(const QString &endpointTemplate,
-                            const QByteArray &requestBody,
-                            QByteArray &decryptedResponse,
-                            const DecryptionHook &decryptionHook) override;
-
-private:
-    struct ReplyOutcome
-    {
-        QByteArray encryptedBody;
-        QList<QSslError> sslErrors;
-        QNetworkReply::NetworkError networkError = QNetworkReply::NoError;
-        QString errorString;
-        int httpStatusCode = 0;
-    };
-
-    ReplyOutcome doPost(const QString &fullUrl, const QByteArray &requestBody);
-    void applyKillSwitchAllowlist(const QString &host);
-    QStringList fetchProxyUrls(const QByteArray &serviceHint);
-    bool shouldBypass(const ReplyOutcome &outcome, const DecryptionResult &decrypted) const;
-
-    QString m_endpoint;
-    bool m_isDevEnvironment;
-    int m_requestTimeoutMsecs;
-    bool m_isStrictKillSwitchEnabled;
-
-    static QMutex s_proxyMutex;
-    static QString s_proxyUrl;
-};
-
-} // namespace amnezia::transport
-
-#endif // HTTPGATEWAYTRANSPORT_H

client/core/transport/igatewaytransport.h

@@ -1,36 +0,0 @@
-#ifndef IGATEWAYTRANSPORT_H
-#define IGATEWAYTRANSPORT_H
-
-#include <QByteArray>
-#include <QString>
-#include <functional>
-
-#include "core/defs.h"
-
-namespace amnezia::transport
-{
-
-struct DecryptionResult
-{
-    QByteArray decrypted;
-    bool isOk = false;
-};
-
-using DecryptionHook = std::function<DecryptionResult(const QByteArray &encrypted)>;
-
-class IGatewayTransport
-{
-public:
-    virtual ~IGatewayTransport() = default;
-
-    virtual QString name() const = 0;
-
-    virtual amnezia::ErrorCode send(const QString &endpointTemplate,
-                                    const QByteArray &requestBody,
-                                    QByteArray &decryptedResponse,
-                                    const DecryptionHook &decryptionHook) = 0;
-};
-
-} // namespace amnezia::transport
-
-#endif // IGATEWAYTRANSPORT_H

client/gateway.example.json

@@ -1,44 +0,0 @@
-{
-  "primary": "http",
-  "retry_count": 3,
-  "timeout_ms": 10000,
-  
-  "http": {
-    "enabled": true,
-    "endpoint": "https://your-gateway.example.com/"
-  },
-  
-  "dns_transports": [
-    {
-      "type": "udp",
-      "server": "your-gateway.example.com",
-      "domain": "gateway.example.com",
-      "port": 5453
-    },
-    {
-      "type": "tcp",
-      "server": "your-gateway.example.com",
-      "domain": "gateway.example.com",
-      "port": 5453
-    },
-    {
-      "type": "dot",
-      "server": "your-gateway.example.com",
-      "domain": "gateway.example.com",
-      "port": 8853
-    },
-    {
-      "type": "doh",
-      "server": "your-gateway.example.com",
-      "domain": "gateway.example.com",
-      "port": 443,
-      "path": "/dns-query"
-    },
-    {
-      "type": "doq",
-      "server": "your-gateway.example.com",
-      "domain": "gateway.example.com",
-      "port": 8854
-    }
-  ]
-}

client/mozilla/localsocketcontroller.cpp

@@ -270,12 +270,7 @@ void LocalSocketController::activate(const QJsonObject &rawConfig) {
              && !wgConfig.value(amnezia::config_key::initPacketMagicHeader).isUndefined()
              && !wgConfig.value(amnezia::config_key::responsePacketMagicHeader).isUndefined()
              && !wgConfig.value(amnezia::config_key::underloadPacketMagicHeader).isUndefined()
-             && !wgConfig.value(amnezia::config_key::transportPacketMagicHeader).isUndefined()
-             && !wgConfig.value(amnezia::config_key::specialJunk1).isUndefined()
-             && !wgConfig.value(amnezia::config_key::specialJunk2).isUndefined()
-             && !wgConfig.value(amnezia::config_key::specialJunk3).isUndefined()
-             && !wgConfig.value(amnezia::config_key::specialJunk4).isUndefined()
-             && !wgConfig.value(amnezia::config_key::specialJunk5).isUndefined()) {
+             && !wgConfig.value(amnezia::config_key::transportPacketMagicHeader).isUndefined()) {
     json.insert(amnezia::config_key::junkPacketCount, wgConfig.value(amnezia::config_key::junkPacketCount));
     json.insert(amnezia::config_key::junkPacketMinSize, wgConfig.value(amnezia::config_key::junkPacketMinSize));
     json.insert(amnezia::config_key::junkPacketMaxSize, wgConfig.value(amnezia::config_key::junkPacketMaxSize));

client/mozilla/networkwatcher.cpp

@@ -72,9 +72,9 @@ void NetworkWatcher::initialize() {
   connect(m_impl, &NetworkWatcherImpl::unsecuredNetwork, this,
           &NetworkWatcher::unsecuredNetwork);
   connect(m_impl, &NetworkWatcherImpl::networkChanged, this,
-          &NetworkWatcher::networkChange);
-  connect(m_impl, &NetworkWatcherImpl::sleepMode, this,
-          &NetworkWatcher::onSleepMode);
+          &NetworkWatcher::networkChanged);
+  connect(m_impl, &NetworkWatcherImpl::wakeup, this,
+          &NetworkWatcher::wakeup);
   m_impl->initialize();
 
   // Enable sleep/wake monitoring for VPN auto-reconnection
@@ -97,12 +97,6 @@ void NetworkWatcher::settingsChanged() {
   logger.debug() << "NetworkWatcher settings changed - keeping sleep monitoring active";
 }
 
-void NetworkWatcher::onSleepMode()
-{
-  logger.debug() << "Resumed from sleep mode";
-  emit sleepMode();
-}
-
 void NetworkWatcher::unsecuredNetwork(const QString& networkName,
                                       const QString& networkId) {
   logger.debug() << "Unsecured network:" << logger.sensitive(networkName)

client/mozilla/networkwatcher.h

@@ -29,13 +29,11 @@ public:
     // false to restore.
     void simulateDisconnection(bool simulatedDisconnection);
 
-    void onSleepMode();
-
     QNetworkInformation::Reachability getReachability();
 
 signals:
-    void networkChange();
-    void sleepMode();
+    void networkChanged();
+    void wakeup();
 
 private:
     void settingsChanged();

client/mozilla/networkwatcherimpl.h

@@ -41,7 +41,7 @@ signals:
     // TODO: Only windows-networkwatcher has this, the other plattforms should
     // too.
     void networkChanged(QString newBSSID);
-    void sleepMode();
+    void wakeup();
 
 
 private:

client/platforms/android/android_controller.cpp

@@ -101,7 +101,9 @@ bool AndroidController::initialize()
         {"onAuthResult", "(Z)V", reinterpret_cast<void *>(onAuthResult)},
         {"decodeQrCode", "(Ljava/lang/String;)Z", reinterpret_cast<bool *>(decodeQrCode)},
         {"onImeInsetsChanged", "(I)V", reinterpret_cast<void *>(onImeInsetsChanged)},
-        {"onSystemBarsInsetsChanged", "(II)V", reinterpret_cast<void *>(onSystemBarsInsetsChanged)}
+        {"onSystemBarsInsetsChanged", "(II)V", reinterpret_cast<void *>(onSystemBarsInsetsChanged)},
+        {"onActivityPaused", "()V", reinterpret_cast<void *>(onActivityPaused)},
+        {"onActivityResumed", "()V", reinterpret_cast<void *>(onActivityResumed)}
     };
 
     QJniEnvironment env;
@@ -558,3 +560,22 @@ void AndroidController::onSystemBarsInsetsChanged(JNIEnv *env, jobject thiz, jin
     emit AndroidController::instance()->systemBarsInsetsChanged(navBarHeightDp, statusBarHeightDp);
 }
 
+// static
+void AndroidController::onActivityPaused(JNIEnv *env, jobject thiz)
+{
+    Q_UNUSED(env);
+    Q_UNUSED(thiz);
+
+    emit AndroidController::instance()->activityPaused();
+}
+
+// static
+void AndroidController::onActivityResumed(JNIEnv *env, jobject thiz)
+{
+    Q_UNUSED(env);
+    Q_UNUSED(thiz);
+
+    emit AndroidController::instance()->activityResumed();
+}
+
+

client/platforms/android/android_controller.h

@@ -75,6 +75,8 @@ signals:
     void authenticationResult(bool result);
     void imeInsetsChanged(int heightDp);
     void systemBarsInsetsChanged(int navBarHeightDp, int statusBarHeightDp);
+    void activityPaused();
+    void activityResumed();
 
 private:
     bool isWaitingStatus = true;
@@ -105,6 +107,8 @@ private:
     static bool decodeQrCode(JNIEnv *env, jobject thiz, jstring data);
     static void onImeInsetsChanged(JNIEnv *env, jobject thiz, jint heightDp);
     static void onSystemBarsInsetsChanged(JNIEnv *env, jobject thiz, jint navBarHeightDp, jint statusBarHeightDp);
+    static void onActivityPaused(JNIEnv *env, jobject thiz);
+    static void onActivityResumed(JNIEnv *env, jobject thiz);
 
     template <typename Ret, typename ...Args>
     static auto callActivityMethod(const char *methodName, const char *signature, Args &&...args);

client/platforms/ios/PacketTunnelProvider+OpenVPN.swift

@@ -126,8 +126,7 @@ extension PacketTunnelProvider {
         }
 
         vpnReachability.startTracking { [weak self] status in
-            guard status == .reachableViaWiFi else { return }
-            self?.ovpnAdapter?.reconnect(afterTimeInterval: 5)
+            self?.handleOpenVPNReachabilityChange(status)
         }
 
         startHandler = completionHandler

client/platforms/ios/PacketTunnelProvider+Xray.swift

@@ -21,6 +21,44 @@ extension Constants {
 }
 
 extension PacketTunnelProvider {
+    private func applyXraySplitTunnel(_ xrayConfig: XrayConfig,
+                                      settings: NEPacketTunnelNetworkSettings) {
+        guard let splitTunnelType = xrayConfig.splitTunnelType else {
+            return
+        }
+
+        guard let splitTunnelSites = xrayConfig.splitTunnelSites else {
+            xrayLog(.error, message: "Split tunnel sites are not set")
+            return
+        }
+
+        if splitTunnelType == 1 {
+            var ipv4IncludedRoutes = [NEIPv4Route]()
+
+            for allowedIPString in splitTunnelSites {
+                if let allowedIP = IPAddressRange(from: allowedIPString) {
+                    ipv4IncludedRoutes.append(NEIPv4Route(
+                        destinationAddress: "\(allowedIP.address)",
+                        subnetMask: "\(allowedIP.subnetMask())"))
+                }
+            }
+
+            settings.ipv4Settings?.includedRoutes = ipv4IncludedRoutes
+        } else if splitTunnelType == 2 {
+            var ipv4ExcludedRoutes = [NEIPv4Route]()
+
+            for excludedIPString in splitTunnelSites {
+                if let excludedIP = IPAddressRange(from: excludedIPString) {
+                    ipv4ExcludedRoutes.append(NEIPv4Route(
+                        destinationAddress: "\(excludedIP.address)",
+                        subnetMask: "\(excludedIP.subnetMask())"))
+                }
+            }
+
+            settings.ipv4Settings?.excludedRoutes = ipv4ExcludedRoutes
+        }
+    }
+
     func startXray(completionHandler: @escaping (Error?) -> Void) {
 
         // Xray configuration
@@ -72,6 +110,7 @@ extension PacketTunnelProvider {
             settings.dnsSettings = !dnsArray.isEmpty
             ? NEDNSSettings(servers: dnsArray)
             : NEDNSSettings(servers: ["1.1.1.1"])
+            applyXraySplitTunnel(xrayConfig, settings: settings)
 
             let xrayConfigData = xrayConfig.config.data(using: .utf8)
 

client/platforms/ios/PacketTunnelProvider.swift

@@ -41,10 +41,15 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
     var ovpnAdapter: OpenVPNAdapter?
     private lazy var openVPNPacketFlowAdapter = PacketTunnelFlowAdapter(flow: packetFlow)
     private let pathMonitorQueue = DispatchQueue(label: Constants.processQueueName + ".path-monitor")
+    private let networkChangeQueue = DispatchQueue(label: Constants.processQueueName + ".network-change")
     private let pathMonitor = NWPathMonitor()
     private var didReceiveInitialPathUpdate = false
     private var currentPath: Network.NWPath?
     private var currentPathSignature: String?
+    private var pendingOpenVPNReconnectWorkItem: DispatchWorkItem?
+    private var pendingNetworkChangeWorkItem: DispatchWorkItem?
+    private var isApplyingNetworkChange = false
+    private var lastOpenVPNReachabilityStatus: OpenVPNReachabilityStatus?
 
     var splitTunnelType: Int?
     var splitTunnelSites: [String]?
@@ -78,14 +83,22 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
 
             guard hasMeaningfulChange, let proto = self.protoType else { return }
 
-            // WireGuard/AWG manages network changes internally; avoid restarting the tunnel here.
+            // WireGuard/AWG manages network changes internally in its own adapter.
             if proto == .wireguard {
                 return
             }
 
-            DispatchQueue.main.async {
-                self.handle(networkChange: path) { _ in }
+            if proto == .openvpn {
+                self.scheduleOpenVPNReconnect(reason: "NWPath changed")
+                return
             }
+
+            if self.isApplyingNetworkChange || self.reasserting {
+                xrayLog(.debug, message: "Ignoring path change while xray restart is in progress")
+                return
+            }
+
+            self.scheduleNetworkChangeHandling(for: proto, path: path)
         }
         pathMonitor.start(queue: pathMonitorQueue)
 
@@ -197,6 +210,8 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
             return
         }
 
+        cancelPendingOpenVPNReconnect()
+        cancelPendingNetworkChangeHandling()
         didReceiveInitialPathUpdate = false
         updateActiveInterfaceIndexForCurrentPath()
 
@@ -215,6 +230,9 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
 
   
     override func stopTunnel(with reason: NEProviderStopReason, completionHandler: @escaping () -> Void) {
+        cancelPendingOpenVPNReconnect()
+        cancelPendingNetworkChangeHandling()
+
         guard let protoType else {
             completionHandler()
             return
@@ -259,9 +277,111 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
     }
   
     private func handle(networkChange changePath: Network.NWPath, completion: @escaping (Error?) -> Void) {
+        guard protoType == .xray else {
+            updateActiveInterfaceIndex(for: changePath)
+            completion(nil)
+            return
+        }
+
         updateActiveInterfaceIndex(for: changePath)
-        wg_log(.info, message: "Tunnel restarted.")
-        startTunnel(options: nil, completionHandler: completion)
+        reasserting = true
+        xrayLog(.info, message: "Applying network change to xray tunnel")
+        stopXray { }
+        startXray { [weak self] error in
+            self?.reasserting = false
+            completion(error)
+        }
+    }
+
+    private func scheduleNetworkChangeHandling(for proto: TunnelProtoType, path: Network.NWPath) {
+        guard proto == .xray else { return }
+
+        pendingNetworkChangeWorkItem?.cancel()
+
+        let workItem = DispatchWorkItem { [weak self] in
+            guard let self else { return }
+            self.pendingNetworkChangeWorkItem = nil
+
+            if self.isApplyingNetworkChange || self.reasserting {
+                xrayLog(.debug, message: "Skipping network change while restart is already in progress")
+                return
+            }
+
+            self.isApplyingNetworkChange = true
+            DispatchQueue.main.async {
+                self.handle(networkChange: path) { [weak self] _ in
+                    self?.networkChangeQueue.async {
+                        self?.isApplyingNetworkChange = false
+                    }
+                }
+            }
+        }
+
+        pendingNetworkChangeWorkItem = workItem
+        networkChangeQueue.asyncAfter(deadline: .now() + 1.0, execute: workItem)
+    }
+
+    private func scheduleOpenVPNReconnect(reason: String) {
+        guard protoType == .openvpn else { return }
+
+        pendingOpenVPNReconnectWorkItem?.cancel()
+
+        let workItem = DispatchWorkItem { [weak self] in
+            guard let self else { return }
+            self.pendingOpenVPNReconnectWorkItem = nil
+
+            guard self.protoType == .openvpn else { return }
+
+            if self.reasserting {
+                ovpnLog(.debug, message: "Skipping OpenVPN reconnect while session is already reasserting")
+                return
+            }
+
+            DispatchQueue.main.async { [weak self] in
+                guard let self else { return }
+                guard !self.reasserting else {
+                    ovpnLog(.debug, message: "Skipping OpenVPN reconnect while session is already reasserting")
+                    return
+                }
+
+                ovpnLog(.info, message: "\(reason), reconnecting OpenVPN session")
+                self.ovpnAdapter?.reconnect(afterTimeInterval: 1)
+            }
+        }
+
+        pendingOpenVPNReconnectWorkItem = workItem
+        networkChangeQueue.asyncAfter(deadline: .now() + 1.0, execute: workItem)
+    }
+
+    func handleOpenVPNReachabilityChange(_ status: OpenVPNReachabilityStatus) {
+        defer { lastOpenVPNReachabilityStatus = status }
+
+        guard let previousStatus = lastOpenVPNReachabilityStatus else {
+            return
+        }
+
+        guard previousStatus != status else {
+            return
+        }
+
+        switch status {
+        case .reachableViaWiFi, .reachableViaWWAN:
+            scheduleOpenVPNReconnect(reason: "Reachability changed")
+        default:
+            break
+        }
+    }
+
+    private func cancelPendingOpenVPNReconnect() {
+        pendingOpenVPNReconnectWorkItem?.cancel()
+        pendingOpenVPNReconnectWorkItem = nil
+        lastOpenVPNReachabilityStatus = nil
+    }
+
+    private func cancelPendingNetworkChangeHandling() {
+        pendingNetworkChangeWorkItem?.cancel()
+        pendingNetworkChangeWorkItem = nil
+        isApplyingNetworkChange = false
     }
 }
 
@@ -271,8 +391,14 @@ private extension PacketTunnelProvider {
         signatureComponents.append(path.isExpensive ? "exp" : "noexp")
         signatureComponents.append(path.isConstrained ? "con" : "nocon")
 
-        let preferredTypes: [NWInterface.InterfaceType] = [.wiredEthernet, .wifi, .cellular, .loopback, .other]
-        let sortedInterfaces = path.availableInterfaces.sorted { lhs, rhs in
+        // Ignore loopback and tunnel-style `.other` interfaces so Xray does not
+        // react to its own utun lifecycle as if the physical uplink changed.
+        let preferredTypes: [NWInterface.InterfaceType] = [.wiredEthernet, .wifi, .cellular]
+        let externalInterfaces = path.availableInterfaces.filter { interface in
+            interface.type == .wiredEthernet || interface.type == .wifi || interface.type == .cellular
+        }
+
+        let sortedInterfaces = externalInterfaces.sorted { lhs, rhs in
             if lhs.type == rhs.type {
                 return lhs.index < rhs.index
             }
@@ -293,8 +419,8 @@ private extension PacketTunnelProvider {
             case .wiredEthernet: typeName = "ethernet"
             case .wifi: typeName = "wifi"
             case .cellular: typeName = "cellular"
-            case .loopback: typeName = "loopback"
-            case .other: typeName = "other"
+            case .loopback, .other:
+                continue
             @unknown default: typeName = "unknown"
             }
             signatureComponents.append("\(typeName):\(interface.index)")

client/platforms/ios/XrayConfig.swift

@@ -3,5 +3,7 @@ import Foundation
 struct XrayConfig: Decodable {
     let dns1: String?
     let dns2: String?
+    let splitTunnelType: Int?
+    let splitTunnelSites: [String]?
     let config: String
 }

client/platforms/ios/ios_controller.mm

@@ -684,6 +684,15 @@ bool IosController::setupXray()
     QJsonObject finalConfig;
     finalConfig.insert(config_key::dns1, m_rawConfig[config_key::dns1].toString());
     finalConfig.insert(config_key::dns2, m_rawConfig[config_key::dns2].toString());
+    finalConfig.insert(config_key::splitTunnelType, m_rawConfig[config_key::splitTunnelType]);
+
+    QJsonArray splitTunnelSites = m_rawConfig[config_key::splitTunnelSites].toArray();
+
+    for(int index = 0; index < splitTunnelSites.count(); index++) {
+        splitTunnelSites[index] = splitTunnelSites[index].toString().remove(" ");
+    }
+
+    finalConfig.insert(config_key::splitTunnelSites, splitTunnelSites);
     finalConfig.insert(config_key::config, xrayConfigStr);
 
     QJsonDocument finalConfigDoc(finalConfig);

client/platforms/linux/linuxnetworkwatcher.cpp

@@ -41,8 +41,8 @@ void LinuxNetworkWatcher::initialize() {
   connect(m_worker, &LinuxNetworkWatcherWorker::unsecuredNetwork, this,
           &LinuxNetworkWatcher::unsecuredNetwork);
 
-  connect(m_worker, &LinuxNetworkWatcherWorker::sleepMode, this,
-          &NetworkWatcherImpl::sleepMode);
+  connect(m_worker, &LinuxNetworkWatcherWorker::wakeup, this,
+          &NetworkWatcherImpl::wakeup);
 
   // Let's wait a few seconds to allow the UI to be fully loaded and shown.
   // This is not strictly needed, but it's better for user experience because

client/platforms/linux/linuxnetworkwatcherworker.cpp

@@ -200,7 +200,7 @@ void LinuxNetworkWatcherWorker::checkDevices() {
 void LinuxNetworkWatcherWorker::NMStateChanged(quint32 state)
 {
   if (state == NM_STATE_ASLEEP) {
-    emit sleepMode();
+    emit wakeup();
   }
 
   logger.debug() << "NMStateChanged " << state;

client/platforms/linux/linuxnetworkwatcherworker.h

@@ -23,7 +23,7 @@ class LinuxNetworkWatcherWorker final : public QObject {
 
  signals:
   void unsecuredNetwork(const QString& networkName, const QString& networkId);
-  void sleepMode();
+  void wakeup();
 
  public slots:
   void initialize();

client/platforms/macos/macosnetworkwatcher.mm

@@ -173,10 +173,10 @@ void PowerNotificationsListener::sleepWakeupCallBack(void *refParam, io_service_
 
     case kIOMessageSystemHasPoweredOn:
         /* Announces that the system and its devices have woken up. */
-        logger.debug() << "System has powered on - emitting sleepMode signal from dedicated CFRunLoop thread";
+        logger.debug() << "System has powered on - emitting wakeup signal from dedicated CFRunLoop thread";
         if (listener->m_watcher) {
             // Use QMetaObject::invokeMethod for thread-safe signal emission
-            QMetaObject::invokeMethod(listener->m_watcher, "sleepMode", Qt::QueuedConnection);
+            QMetaObject::invokeMethod(listener->m_watcher, "wakeup", Qt::QueuedConnection);
         }
         break;
 

client/platforms/windows/daemon/windowsdaemon.cpp

@@ -62,6 +62,9 @@ void WindowsDaemon::prepareActivation(const InterfaceConfig& config, int inetAda
 }
 
 void WindowsDaemon::activateSplitTunnel(const InterfaceConfig& config, int vpnAdapterIndex) {
+    if (m_splitTunnelManager == nullptr)
+        return;
+
   if (config.m_vpnDisabledApps.length() > 0) {
       m_splitTunnelManager->start(m_inetAdapterIndex, vpnAdapterIndex);
       m_splitTunnelManager->excludeApps(config.m_vpnDisabledApps);

client/platforms/windows/windowsnetworkwatcher.cpp

@@ -41,7 +41,7 @@ LRESULT WindowsNetworkWatcher::PowerWndProcCallback(HWND hwnd, UINT uMsg, WPARAM
   switch (uMsg) {
   case WM_POWERBROADCAST:
     if (wParam == PBT_APMRESUMESUSPEND) {
-        emit obj->sleepMode();
+        emit obj->wakeup();
     }
     break;
   default:

client/protocols/openvpnprotocol.cpp

@@ -232,12 +232,6 @@ ErrorCode OpenVpnProtocol::start()
         return ErrorCode::AmneziaServiceConnectionFailed;
     }
 
-    m_openVpnProcess->waitForSource(5000);
-    if (!m_openVpnProcess->isInitialized()) {
-        qWarning() << "IpcProcess replica is not connected!";
-        setLastError(ErrorCode::AmneziaServiceConnectionFailed);
-        return ErrorCode::AmneziaServiceConnectionFailed;
-    }
     m_openVpnProcess->setProgram(PermittedProcess::OpenVPN);
     QStringList arguments({
             "--config", configPath(), "--management", m_managementHost, QString::number(mgmtPort),
@@ -246,13 +240,13 @@ ErrorCode OpenVpnProtocol::start()
     m_openVpnProcess->setArguments(arguments);
 
     qDebug() << arguments.join(" ");
-    connect(m_openVpnProcess.data(), &PrivilegedProcess::errorOccurred,
+    connect(m_openVpnProcess.data(), &IpcProcessInterfaceReplica::errorOccurred,
             [&](QProcess::ProcessError error) { qDebug() << "PrivilegedProcess errorOccurred" << error; });
 
-    connect(m_openVpnProcess.data(), &PrivilegedProcess::stateChanged,
+    connect(m_openVpnProcess.data(), &IpcProcessInterfaceReplica::stateChanged,
             [&](QProcess::ProcessState newState) { qDebug() << "PrivilegedProcess stateChanged" << newState; });
 
-    connect(m_openVpnProcess.data(), &PrivilegedProcess::finished, this,
+    connect(m_openVpnProcess.data(), &IpcProcessInterfaceReplica::finished, this,
             [&]() { setConnectionState(Vpn::ConnectionState::Disconnected); });
 
     m_openVpnProcess->start();

client/protocols/openvpnprotocol.h

@@ -53,7 +53,7 @@ private:
     void updateRouteGateway(QString line);
     void updateVpnGateway(const QString &line);
 
-    QSharedPointer<PrivilegedProcess> m_openVpnProcess;
+    QSharedPointer<IpcProcessInterfaceReplica> m_openVpnProcess;
 };
 
 #endif // OPENVPNPROTOCOL_H

client/protocols/protocols_defs.h

@@ -233,7 +233,7 @@ namespace amnezia
             constexpr char defaultResponsePacketMagicHeader[] = "3288052141";
             constexpr char defaultTransportPacketMagicHeader[] = "2528465083";
             constexpr char defaultUnderloadPacketMagicHeader[] = "1766607858";
-            constexpr char defaultSpecialJunk1[] = "<b 0x084481800001000300000000077469636b65747306776964676574096b696e6f706f69736b0272750000010001c00c0005000100000039001806776964676574077469636b6574730679616e646578c025c0390005000100000039002b1765787465726e616c2d7469636b6574732d776964676574066166697368610679616e646578036e657400c05d000100010000001c000457fafe25>";
+            constexpr char defaultSpecialJunk1[] = "<r 2><b 0x858000010001000000000669636c6f756403636f6d0000010001c00c000100010000105a00044d583737>";
             constexpr char defaultSpecialJunk2[] = "";
             constexpr char defaultSpecialJunk3[] = "";
             constexpr char defaultSpecialJunk4[] = "";

client/protocols/wireguardprotocol.cpp

@@ -15,7 +15,7 @@ WireguardProtocol::WireguardProtocol(const QJsonObject &configuration, QObject *
     m_impl.reset(new LocalSocketController());
     connect(m_impl.get(), &ControllerImpl::connected, this,
             [this](const QString &pubkey, const QDateTime &connectionTimestamp) {
-                emit connectionStateChanged(Vpn::ConnectionState::Connected);
+                setConnectionState(Vpn::ConnectionState::Connected);
             });
     connect(m_impl.get(), &ControllerImpl::statusUpdated, this,
             [this](const QString& serverIpv4Gateway,
@@ -38,7 +38,7 @@ WireguardProtocol::WireguardProtocol(const QJsonObject &configuration, QObject *
             });
 
     connect(m_impl.get(), &ControllerImpl::disconnected, this,
-            [this]() { emit connectionStateChanged(Vpn::ConnectionState::Disconnected); });
+            [this]() { setConnectionState(Vpn::ConnectionState::Disconnected); });
     m_impl->initialize(nullptr, nullptr);
 }
 

client/protocols/xrayprotocol.cpp

@@ -1,6 +1,7 @@
 #include "xrayprotocol.h"
 
 #include "core/ipcclient.h"
+#include "ipc.h"
 #include "utilities.h"
 #include "core/networkUtilities.h"
 
@@ -9,14 +10,37 @@
 #include <QJsonObject>
 #include <QNetworkInterface>
 #include <QJsonDocument>
+#include <QtCore/qlogging.h>
+#include <QtCore/qobjectdefs.h>
+#include <QtCore/qprocess.h>
+
+#ifdef Q_OS_MACOS
+static const QString tunName = "utun22";
+#else
+static const QString tunName = "tun2";
+#endif
 
 XrayProtocol::XrayProtocol(const QJsonObject &configuration, QObject *parent) : VpnProtocol(configuration, parent)
 {
-    readXrayConfiguration(configuration);
-    m_routeGateway = NetworkUtilities::getGatewayAndIface().first;
     m_vpnGateway = amnezia::protocols::xray::defaultLocalAddr;
     m_vpnLocalAddress = amnezia::protocols::xray::defaultLocalAddr;
-    m_t2sProcess = IpcClient::InterfaceTun2Socks();
+    m_routeGateway = NetworkUtilities::getGatewayAndIface().first;
+
+    m_routeMode = static_cast<Settings::RouteMode>(configuration.value(amnezia::config_key::splitTunnelType).toInt());
+    m_remoteAddress = NetworkUtilities::getIPAddress(m_rawConfig.value(amnezia::config_key::hostName).toString());
+
+    const QString primaryDns = configuration.value(amnezia::config_key::dns1).toString();
+    m_dnsServers.push_back(QHostAddress(primaryDns));
+    if (primaryDns != amnezia::protocols::dns::amneziaDnsIp) {
+        const QString secondaryDns = configuration.value(amnezia::config_key::dns2).toString();
+        m_dnsServers.push_back(QHostAddress(secondaryDns));
+    }
+
+    QJsonObject xrayConfiguration = configuration.value(ProtocolProps::key_proto_config_data(Proto::Xray)).toObject();
+    if (xrayConfiguration.isEmpty()) {
+        xrayConfiguration = configuration.value(ProtocolProps::key_proto_config_data(Proto::SSXray)).toObject();
+    }
+    m_xrayConfig = xrayConfiguration;
 }
 
 XrayProtocol::~XrayProtocol()
@@ -29,72 +53,16 @@ ErrorCode XrayProtocol::start()
 {
     qDebug() << "XrayProtocol::start()";
 
-    const ErrorCode err = IpcClient::withInterface([&](QSharedPointer<IpcInterfaceReplica> iface) {
-        iface->xrayStart(QJsonDocument(m_xrayConfig).toJson());
-        return ErrorCode::NoError;
+    return IpcClient::withInterface([&](QSharedPointer<IpcInterfaceReplica> iface) {
+        auto xrayStart = iface->xrayStart(QJsonDocument(m_xrayConfig).toJson());
+        if (!xrayStart.waitForFinished() || !xrayStart.returnValue()) {
+            qCritical() << "Failed to start xray";
+            return ErrorCode::XrayExecutableCrashed;
+        }
+        return startTun2Socks();
     }, [] () {
         return ErrorCode::AmneziaServiceConnectionFailed;
     });
-    if (err != ErrorCode::NoError)
-        return err;
-
-    setConnectionState(Vpn::ConnectionState::Connecting);
-    return startTun2Sock();
-}
-
-ErrorCode XrayProtocol::startTun2Sock()
-{
-    m_t2sProcess->start();
-
-    connect(m_t2sProcess.data(), &IpcProcessTun2SocksReplica::stateChanged, this,
-            [&](QProcess::ProcessState newState) { qDebug() << "PrivilegedProcess stateChanged" << newState; });
-
-    connect(m_t2sProcess.data(), &IpcProcessTun2SocksReplica::setConnectionState, this, [&](int vpnState) {
-        qDebug() << "PrivilegedProcess setConnectionState " << vpnState;
-        IpcClient::withInterface([&](QSharedPointer<IpcInterfaceReplica> iface) {
-            if (vpnState == Vpn::ConnectionState::Connected) {
-                setConnectionState(Vpn::ConnectionState::Connecting);
-                QList<QHostAddress> dnsAddr;
-
-                dnsAddr.push_back(QHostAddress(m_primaryDNS));
-                // We don't use secondary DNS if primary DNS is AmneziaDNS
-                if (!m_primaryDNS.contains(amnezia::protocols::dns::amneziaDnsIp)) {
-                    dnsAddr.push_back(QHostAddress(m_secondaryDNS));
-                }
-    #ifdef Q_OS_WIN
-                QThread::msleep(8000);
-    #endif
-    #ifdef Q_OS_MACOS
-                QThread::msleep(5000);
-                iface->createTun("utun22", amnezia::protocols::xray::defaultLocalAddr);
-                iface->updateResolvers("utun22", dnsAddr);
-    #endif
-    #ifdef Q_OS_LINUX
-                QThread::msleep(1000);
-                iface->createTun("tun2", amnezia::protocols::xray::defaultLocalAddr);
-                iface->updateResolvers("tun2", dnsAddr);
-    #endif
-                if (m_routeMode == Settings::RouteMode::VpnAllSites) {
-                    iface->routeAddList(m_vpnGateway, QStringList() << "1.0.0.0/8" << "2.0.0.0/7" << "4.0.0.0/6" << "8.0.0.0/5" << "16.0.0.0/4" << "32.0.0.0/3" << "64.0.0.0/2" << "128.0.0.0/1");
-                }
-                iface->StopRoutingIpv6();
-    #ifdef Q_OS_WIN
-                iface->updateResolvers("tun2", dnsAddr);
-    #endif
-                setConnectionState(Vpn::ConnectionState::Connected);
-            }
-    #if !defined(Q_OS_MACOS)
-            if (vpnState == Vpn::ConnectionState::Disconnected) {
-                setConnectionState(Vpn::ConnectionState::Disconnected);
-                iface->deleteTun("tun2");
-                iface->StartRoutingIpv6();
-                iface->clearSavedRoutes();
-            }
-#endif
-        });
-    });
-
-    return ErrorCode::NoError;
 }
 
 void XrayProtocol::stop()
@@ -102,43 +70,177 @@ void XrayProtocol::stop()
     qDebug() << "XrayProtocol::stop()";
 
     IpcClient::withInterface([](QSharedPointer<IpcInterfaceReplica> iface) {
-#ifdef AMNEZIA_DESKTOP
-        QRemoteObjectPendingReply<bool> StartRoutingIpv6Resp = iface->StartRoutingIpv6();
-        if (!StartRoutingIpv6Resp.waitForFinished(1000)) {
-            qWarning() << "XrayProtocol::stop(): Failed to start routing ipv6";
-        }
+        auto disableKillSwitch = iface->disableKillSwitch();
+        if (!disableKillSwitch.waitForFinished() || !disableKillSwitch.returnValue())
+            qWarning() << "Failed to disable killswitch";
 
-        QRemoteObjectPendingReply<bool> restoreResolvers = iface->restoreResolvers();
-        if (!restoreResolvers.waitForFinished(1000)) {
-            qWarning() << "XrayProtocol::stop(): Failed to restore resolvers";
-        }
+        auto StartRoutingIpv6 = iface->StartRoutingIpv6();
+        if (!StartRoutingIpv6.waitForFinished() || !StartRoutingIpv6.returnValue())
+            qWarning() << "Failed to start routing ipv6";
 
-    #if !defined(Q_OS_MACOS)
-        QRemoteObjectPendingReply<bool> deleteTunResp = iface->deleteTun("tun2");
-        if (!deleteTunResp.waitForFinished(1000)) {
-            qWarning() << "XrayProtocol::stop(): Failed to delete tun";
-        }
-    #endif
-#endif
-        iface->xrayStop();
+        auto restoreResolvers = iface->restoreResolvers();
+        if (!restoreResolvers.waitForFinished() || !restoreResolvers.returnValue())
+            qWarning() << "Failed to restore resolvers";
+
+        auto deleteTun = iface->deleteTun(tunName);
+        if (!deleteTun.waitForFinished() || !deleteTun.returnValue())
+            qWarning() << "Failed to delete tun";
+
+        auto xrayStop = iface->xrayStop();
+        if (!xrayStop.waitForFinished() || !xrayStop.returnValue())
+            qWarning() << "Failed to stop xray";
     });
 
-    if (m_t2sProcess) {
-        m_t2sProcess->stop();
-        QThread::msleep(200);
+    if (m_tun2socksProcess) {
+        m_tun2socksProcess->blockSignals(true);
+
+#ifndef Q_OS_WIN
+        m_tun2socksProcess->terminate();
+        auto waitForFinished = m_tun2socksProcess->waitForFinished(1000);
+        if (!waitForFinished.waitForFinished() || !waitForFinished.returnValue()) {
+            qWarning() << "Failed to terminate tun2socks. Killing the process...";
+            m_tun2socksProcess->kill();
+        }
+#else
+        // terminate does not do anything useful on Windows
+        // so just kill the process
+        m_tun2socksProcess->kill();
+#endif
+
+        m_tun2socksProcess->close();
+        m_tun2socksProcess.reset();
     }
 
     setConnectionState(Vpn::ConnectionState::Disconnected);
 }
 
-void XrayProtocol::readXrayConfiguration(const QJsonObject &configuration)
+ErrorCode XrayProtocol::startTun2Socks()
 {
-    QJsonObject xrayConfiguration = configuration.value(ProtocolProps::key_proto_config_data(Proto::Xray)).toObject();
-    if (xrayConfiguration.isEmpty()) {
-        xrayConfiguration = configuration.value(ProtocolProps::key_proto_config_data(Proto::SSXray)).toObject();
+    m_tun2socksProcess = IpcClient::CreatePrivilegedProcess();
+    if (!m_tun2socksProcess->waitForSource()) {
+        return ErrorCode::AmneziaServiceConnectionFailed;
     }
-    m_xrayConfig = xrayConfiguration;
-    m_routeMode = static_cast<Settings::RouteMode>(configuration.value(amnezia::config_key::splitTunnelType).toInt());
-    m_primaryDNS = configuration.value(amnezia::config_key::dns1).toString();
-    m_secondaryDNS = configuration.value(amnezia::config_key::dns2).toString();
+
+    m_tun2socksProcess->setProgram(PermittedProcess::Tun2Socks);
+    m_tun2socksProcess->setArguments({"-device", QString("tun://%1").arg(tunName), "-proxy", "socks5://127.0.0.1:10808" });
+
+    connect(m_tun2socksProcess.data(), &IpcProcessInterfaceReplica::readyReadStandardOutput, this, [this]() {
+        auto readAllStandardOutput = m_tun2socksProcess->readAllStandardOutput();
+        if (!readAllStandardOutput.waitForFinished()) {
+            qWarning() << "Failed to read output from tun2socks";
+            return;
+        }
+
+        const QString line = readAllStandardOutput.returnValue();
+
+        if (!line.contains("[TCP]") && !line.contains("[UDP]"))
+            qDebug() << "[tun2socks]:" << line;
+        
+        if (line.contains("[STACK] tun://") && line.contains("<-> socks5://127.0.0.1")) {
+            disconnect(m_tun2socksProcess.data(), &IpcProcessInterfaceReplica::readyReadStandardOutput, this, nullptr);
+
+            if (ErrorCode res = setupRouting(); res != ErrorCode::NoError) {
+                stop();
+                setLastError(res);
+            } else {
+                setConnectionState(Vpn::ConnectionState::Connected);
+            }
+        }
+    }, Qt::QueuedConnection);
+
+    connect(m_tun2socksProcess.data(), &IpcProcessInterfaceReplica::finished, this, [this](int exitCode, QProcess::ExitStatus exitStatus) {
+        if (exitStatus == QProcess::ExitStatus::CrashExit) {
+            qCritical() << "Tun2socks process crashed!";
+        } else {
+            qCritical() << QString("Tun2socks process was closed with %1 exit code").arg(exitCode);
+        }
+        stop();
+        setLastError(ErrorCode::Tun2SockExecutableCrashed);
+    }, Qt::QueuedConnection);
+
+    m_tun2socksProcess->start();
+    return ErrorCode::NoError;
+}
+
+ErrorCode XrayProtocol::setupRouting() {
+    return IpcClient::withInterface([this](QSharedPointer<IpcInterfaceReplica> iface) -> ErrorCode {
+#ifdef Q_OS_WIN
+        const int inetAdapterIndex = NetworkUtilities::AdapterIndexTo(QHostAddress(m_remoteAddress));
+#endif
+        auto createTun = iface->createTun(tunName, amnezia::protocols::xray::defaultLocalAddr);
+        if (!createTun.waitForFinished() || !createTun.returnValue()) {
+            qCritical() << "Failed to assign IP address for TUN";
+            return ErrorCode::InternalError;
+        }
+
+        auto updateResolvers = iface->updateResolvers(tunName, m_dnsServers);
+        if (!updateResolvers.waitForFinished() || !updateResolvers.returnValue()) {
+            qCritical() << "Failed to set DNS resolvers for TUN";
+            return ErrorCode::InternalError;
+        }
+
+#ifdef Q_OS_WIN
+        int vpnAdapterIndex = -1;
+        QList<QNetworkInterface> netInterfaces = QNetworkInterface::allInterfaces();
+        for (auto& netInterface : netInterfaces) {
+            for (auto& address : netInterface.addressEntries()) {
+                if (m_vpnLocalAddress == address.ip().toString())
+                    vpnAdapterIndex = netInterface.index();
+            }
+        }
+#else
+        static const int vpnAdapterIndex = 0;
+#endif
+        const bool killSwitchEnabled = QVariant(m_rawConfig.value(config_key::killSwitchOption).toString()).toBool();
+        if (killSwitchEnabled) {
+            if (vpnAdapterIndex != -1) {
+                QJsonObject config = m_rawConfig;
+                config.insert("vpnServer", m_remoteAddress);
+
+                auto enableKillSwitch = IpcClient::Interface()->enableKillSwitch(config, vpnAdapterIndex);
+                if (!enableKillSwitch.waitForFinished() || !enableKillSwitch.returnValue()) {
+                    qCritical() << "Failed to enable killswitch";
+                    return ErrorCode::InternalError;
+                }
+            } else
+                qWarning() << "Failed to get vpnAdapterIndex. Killswitch disabled";
+        }
+
+        if (m_routeMode == Settings::RouteMode::VpnAllSites) {
+            static const QStringList subnets = { "1.0.0.0/8", "2.0.0.0/7", "4.0.0.0/6", "8.0.0.0/5", "16.0.0.0/4", "32.0.0.0/3", "64.0.0.0/2", "128.0.0.0/1" };
+
+            auto routeAddList =  iface->routeAddList(m_vpnGateway, subnets);
+            if (!routeAddList.waitForFinished() || routeAddList.returnValue() != subnets.count()) {
+                qCritical() << "Failed to set routes for TUN";
+                return ErrorCode::InternalError;
+            }
+        }
+
+        auto StopRoutingIpv6 = iface->StopRoutingIpv6();
+        if (!StopRoutingIpv6.waitForFinished() || !StopRoutingIpv6.returnValue()) {
+            qCritical() << "Failed to disable IPv6 routing";
+            return ErrorCode::InternalError;
+        }
+
+#ifdef Q_OS_WIN
+        if (inetAdapterIndex != -1 && vpnAdapterIndex != -1) {
+            QJsonObject config = m_rawConfig;
+            config.insert("inetAdapterIndex", inetAdapterIndex);
+            config.insert("vpnAdapterIndex", vpnAdapterIndex);
+            config.insert("vpnGateway", m_vpnGateway);
+            config.insert("vpnServer", m_remoteAddress);
+
+            auto enablePeerTraffic = iface->enablePeerTraffic(config);
+            if (!enablePeerTraffic.waitForFinished() || !enablePeerTraffic.returnValue()) {
+                qCritical() << "Failed to enable peer traffic";
+                return ErrorCode::InternalError;
+            }
+        } else
+            qWarning() << "Failed to get adapter indexes. Split-tunneling disabled";
+#endif
+        return ErrorCode::NoError;
+    },
+    [] () {
+        return ErrorCode::AmneziaServiceConnectionFailed;
+    });
 }

client/protocols/xrayprotocol.h

@@ -6,6 +6,7 @@
 #include "core/ipcclient.h"
 #include "vpnprotocol.h"
 #include "settings.h"
+#include <QtCore/qsharedpointer.h>
 
 class XrayProtocol : public VpnProtocol
 {
@@ -14,19 +15,18 @@ public:
     virtual ~XrayProtocol() override;
 
     ErrorCode start() override;
-    ErrorCode startTun2Sock();
     void stop() override;
 
 private:
-    void readXrayConfiguration(const QJsonObject &configuration);
-    
+    ErrorCode setupRouting();
+    ErrorCode startTun2Socks();
+
     QJsonObject m_xrayConfig;
     Settings::RouteMode m_routeMode;
-    QString m_primaryDNS;
-    QString m_secondaryDNS;
-#ifndef Q_OS_IOS
-    QSharedPointer<IpcProcessTun2SocksReplica> m_t2sProcess;
-#endif
+    QList<QHostAddress> m_dnsServers;
+    QString m_remoteAddress;
+
+    QSharedPointer<IpcProcessInterfaceReplica> m_tun2socksProcess;
 };
 
 #endif // XRAYPROTOCOL_H

client/resources.qrc

@@ -129,11 +129,13 @@
         <file>ui/qml/Components/AdLabel.qml</file>
         <file>ui/qml/Components/ConnectButton.qml</file>
         <file>ui/qml/Components/ConnectionTypeSelectionDrawer.qml</file>
+        <file>ui/qml/Components/GamepadLoader.qml</file>
         <file>ui/qml/Components/HomeContainersListView.qml</file>
         <file>ui/qml/Components/HomeSplitTunnelingDrawer.qml</file>
         <file>ui/qml/Components/InstalledAppsDrawer.qml</file>
         <file>ui/qml/Components/QuestionDrawer.qml</file>
         <file>ui/qml/Components/SelectLanguageDrawer.qml</file>
+        <file>ui/qml/Components/SubscriptionExpiredDrawer.qml</file>
         <file>ui/qml/Components/ServersListView.qml</file>
         <file>ui/qml/Components/SettingsContainersListView.qml</file>
         <file>ui/qml/Components/TransportProtoSelector.qml</file>

client/secure_qsettings.cpp

@@ -35,13 +35,12 @@ SecureQSettings::SecureQSettings(const QString &organization, const QString &app
             }
         }
         m_settings.setValue("Conf/encrypted", true);
-        m_settings.sync();
     }
 }
 
 QVariant SecureQSettings::value(const QString &key, const QVariant &defaultValue) const
 {
-    QMutexLocker locker(&mutex);
+    QMutexLocker locker(&m_mutex);
 
     if (m_cache.contains(key)) {
         return m_cache.value(key);
@@ -85,7 +84,7 @@ QVariant SecureQSettings::value(const QString &key, const QVariant &defaultValue
 
 void SecureQSettings::setValue(const QString &key, const QVariant &value)
 {
-    QMutexLocker locker(&mutex);
+    QMutexLocker locker(&m_mutex);
 
     if (encryptionRequired() && encryptedKeys.contains(key)) {
         if (!getEncKey().isEmpty() && !getEncIv().isEmpty()) {
@@ -107,26 +106,20 @@ void SecureQSettings::setValue(const QString &key, const QVariant &value)
     }
 
     m_cache.insert(key, value);
-    sync();
 }
 
 void SecureQSettings::remove(const QString &key)
 {
-    QMutexLocker locker(&mutex);
+    QMutexLocker locker(&m_mutex);
 
     m_settings.remove(key);
     m_cache.remove(key);
-
-    sync();
-}
-
-void SecureQSettings::sync()
-{
-    m_settings.sync();
 }
 
 QByteArray SecureQSettings::backupAppConfig() const
 {
+    QMutexLocker locker(&m_mutex);
+
     QJsonObject cfg;
 
     const auto needToBackup = [this](const auto &key) {
@@ -161,6 +154,8 @@ QByteArray SecureQSettings::backupAppConfig() const
 
 bool SecureQSettings::restoreAppConfig(const QByteArray &json)
 {
+    QMutexLocker locker(&m_mutex);
+
     QJsonObject cfg = QJsonDocument::fromJson(json).object();
     if (cfg.isEmpty())
         return false;
@@ -173,10 +168,16 @@ bool SecureQSettings::restoreAppConfig(const QByteArray &json)
         setValue(key, cfg.value(key).toVariant());
     }
 
-    sync();
     return true;
 }
 
+void SecureQSettings::clearSettings()
+{
+    QMutexLocker locker(&m_mutex);
+    m_settings.clear();
+    m_cache.clear();
+}
+
 QByteArray SecureQSettings::encryptText(const QByteArray &value) const
 {
     QSimpleCrypto::QBlockCipher cipher;
@@ -294,11 +295,3 @@ void SecureQSettings::setSecTag(const QString &tag, const QByteArray &data)
         qCritical() << "SecureQSettings::setSecTag Error:" << job->errorString();
     }
 }
-
-void SecureQSettings::clearSettings()
-{
-    QMutexLocker locker(&mutex);
-    m_settings.clear();
-    m_cache.clear();
-    sync();
-}

client/secure_qsettings.h

@@ -16,14 +16,16 @@ public:
     explicit SecureQSettings(const QString &organization, const QString &application = QString(),
                              QObject *parent = nullptr);
 
-    Q_INVOKABLE QVariant value(const QString &key, const QVariant &defaultValue = QVariant()) const;
-    Q_INVOKABLE void setValue(const QString &key, const QVariant &value);
+    QVariant value(const QString &key, const QVariant &defaultValue = QVariant()) const;
+    void setValue(const QString &key, const QVariant &value);
     void remove(const QString &key);
-    void sync();
 
     QByteArray backupAppConfig() const;
     bool restoreAppConfig(const QByteArray &json);
 
+    void clearSettings();
+
+private:
     QByteArray encryptText(const QByteArray &value) const;
     QByteArray decryptText(const QByteArray &ba) const;
 
@@ -35,9 +37,6 @@ public:
     static QByteArray getSecTag(const QString &tag);
     static void setSecTag(const QString &tag, const QByteArray &data);
 
-    void clearSettings();
-
-private:
     QSettings m_settings;
 
     mutable QHash<QString, QVariant> m_cache;
@@ -53,7 +52,7 @@ private:
 
     const QByteArray magicString { "EncData" }; // Magic keyword used for mark encrypted QByteArray
 
-    mutable QMutex mutex;
+    mutable QRecursiveMutex m_mutex;
 };
 
 #endif // SECUREQSETTINGS_H

client/server_scripts/install_docker.sh

@@ -21,4 +21,5 @@ if [ "$(systemctl is-active docker)" != "active" ]; then \
   sleep 5; sudo systemctl start docker; sleep 5;\
 fi;\
 if ! command -v sudo > /dev/null 2>&1; then echo "Failed to install sudo, command not found"; exit 1; fi;\
-docker --version
+docker --version;\
+uname -sr

client/settings.cpp

@@ -14,18 +14,17 @@ namespace
     const char cloudFlareNs1[] = "1.1.1.1";
     const char cloudFlareNs2[] = "1.0.0.1";
 
-    //constexpr char gatewayEndpoint[] = "http://localhost:80/";
-    constexpr char gatewayEndpoint[] = "http://localhost:80/";
+    constexpr char gatewayEndpoint[] = "http://gw.amnezia.org:80/";
 }
 
 Settings::Settings(QObject *parent) : QObject(parent), m_settings(ORGANIZATION_NAME, APPLICATION_NAME, this)
 {
     // Import old settings
     if (serversCount() == 0) {
-        QString user = value("Server/userName").toString();
-        QString password = value("Server/password").toString();
-        QString serverName = value("Server/serverName").toString();
-        int port = value("Server/serverPort").toInt();
+        QString user = m_settings.value("Server/userName").toString();
+        QString password = m_settings.value("Server/password").toString();
+        QString serverName = m_settings.value("Server/serverName").toString();
+        int port = m_settings.value("Server/serverPort").toInt();
 
         if (!user.isEmpty() && !password.isEmpty() && !serverName.isEmpty()) {
             QJsonObject server;
@@ -223,7 +222,7 @@ QString Settings::nextAvailableServerName() const
 
 void Settings::setSaveLogs(bool enabled)
 {
-    setValue("Conf/saveLogs", enabled);
+    m_settings.setValue("Conf/saveLogs", enabled);
 #ifndef Q_OS_ANDROID
     if (!isSaveLogs()) {
         Logger::deInit();
@@ -243,12 +242,12 @@ void Settings::setSaveLogs(bool enabled)
 
 QDateTime Settings::getLogEnableDate()
 {
-    return value("Conf/logEnableDate").toDateTime();
+    return m_settings.value("Conf/logEnableDate").toDateTime();
 }
 
 void Settings::setLogEnableDate(QDateTime date)
 {
-    setValue("Conf/logEnableDate", date);
+    m_settings.setValue("Conf/logEnableDate", date);
 }
 
 QString Settings::routeModeString(RouteMode mode) const
@@ -262,17 +261,17 @@ QString Settings::routeModeString(RouteMode mode) const
 
 Settings::RouteMode Settings::routeMode() const
 {
-    return static_cast<RouteMode>(value("Conf/routeMode", 0).toInt());
+    return static_cast<RouteMode>(m_settings.value("Conf/routeMode", 0).toInt());
 }
 
 bool Settings::isSitesSplitTunnelingEnabled() const
 {
-    return value("Conf/sitesSplitTunnelingEnabled", false).toBool();
+    return m_settings.value("Conf/sitesSplitTunnelingEnabled", false).toBool();
 }
 
 void Settings::setSitesSplitTunnelingEnabled(bool enabled)
 {
-    setValue("Conf/sitesSplitTunnelingEnabled", enabled);
+    m_settings.setValue("Conf/sitesSplitTunnelingEnabled", enabled);
 }
 
 bool Settings::addVpnSite(RouteMode mode, const QString &site, const QString &ip)
@@ -360,12 +359,12 @@ void Settings::removeAllVpnSites(RouteMode mode)
 
 QString Settings::primaryDns() const
 {
-    return value("Conf/primaryDns", cloudFlareNs1).toString();
+    return m_settings.value("Conf/primaryDns", cloudFlareNs1).toString();
 }
 
 QString Settings::secondaryDns() const
 {
-    return value("Conf/secondaryDns", cloudFlareNs2).toString();
+    return m_settings.value("Conf/secondaryDns", cloudFlareNs2).toString();
 }
 
 void Settings::clearSettings()
@@ -387,18 +386,18 @@ QString Settings::appsRouteModeString(AppsRouteMode mode) const
 
 Settings::AppsRouteMode Settings::getAppsRouteMode() const
 {
-    return static_cast<AppsRouteMode>(value("Conf/appsRouteMode", 0).toInt());
+    return static_cast<AppsRouteMode>(m_settings.value("Conf/appsRouteMode", 0).toInt());
 }
 
 void Settings::setAppsRouteMode(AppsRouteMode mode)
 {
-    setValue("Conf/appsRouteMode", mode);
+    m_settings.setValue("Conf/appsRouteMode", mode);
 }
 
 QVector<InstalledAppInfo> Settings::getVpnApps(AppsRouteMode mode) const
 {
     QVector<InstalledAppInfo> apps;
-    auto appsArray = value("Conf/" + appsRouteModeString(mode)).toJsonArray();
+    auto appsArray = m_settings.value("Conf/" + appsRouteModeString(mode)).toJsonArray();
     for (const auto &app : appsArray) {
         InstalledAppInfo appInfo;
         appInfo.appName = app.toObject().value("appName").toString();
@@ -420,43 +419,42 @@ void Settings::setVpnApps(AppsRouteMode mode, const QVector<InstalledAppInfo> &a
         appInfo.insert("appPath", app.appPath);
         appsArray.push_back(appInfo);
     }
-    setValue("Conf/" + appsRouteModeString(mode), appsArray);
-    m_settings.sync();
+    m_settings.setValue("Conf/" + appsRouteModeString(mode), appsArray);
 }
 
 bool Settings::isAppsSplitTunnelingEnabled() const
 {
-    return value("Conf/appsSplitTunnelingEnabled", false).toBool();
+    return m_settings.value("Conf/appsSplitTunnelingEnabled", false).toBool();
 }
 
 void Settings::setAppsSplitTunnelingEnabled(bool enabled)
 {
-    setValue("Conf/appsSplitTunnelingEnabled", enabled);
+    m_settings.setValue("Conf/appsSplitTunnelingEnabled", enabled);
 }
 
 bool Settings::isKillSwitchEnabled() const
 {
-    return value("Conf/killSwitchEnabled", true).toBool();
+    return m_settings.value("Conf/killSwitchEnabled", true).toBool();
 }
 
 void Settings::setKillSwitchEnabled(bool enabled)
 {
-    setValue("Conf/killSwitchEnabled", enabled);
+    m_settings.setValue("Conf/killSwitchEnabled", enabled);
 }
 
 bool Settings::isStrictKillSwitchEnabled() const
 {
-    return value("Conf/strictKillSwitchEnabled", false).toBool();
+    return m_settings.value("Conf/strictKillSwitchEnabled", false).toBool();
 }
 
 void Settings::setStrictKillSwitchEnabled(bool enabled)
 {
-    setValue("Conf/strictKillSwitchEnabled", enabled);
+    m_settings.setValue("Conf/strictKillSwitchEnabled", enabled);
 }
 
 QString Settings::getInstallationUuid(const bool needCreate)
 {
-    auto uuid = value("Conf/installationUuid", "").toString();
+    auto uuid = m_settings.value("Conf/installationUuid", "").toString();
     if (needCreate && uuid.isEmpty()) {
         uuid = QUuid::createUuid().toString();
 
@@ -477,7 +475,7 @@ QString Settings::getInstallationUuid(const bool needCreate)
 
 void Settings::setInstallationUuid(const QString &uuid)
 {
-    setValue("Conf/installationUuid", uuid);
+    m_settings.setValue("Conf/installationUuid", uuid);
 }
 
 ServerCredentials Settings::defaultServerCredentials() const
@@ -498,28 +496,6 @@ ServerCredentials Settings::serverCredentials(int index) const
     return credentials;
 }
 
-QVariant Settings::value(const QString &key, const QVariant &defaultValue) const
-{
-    QVariant returnValue;
-    if (QThread::currentThread() == QCoreApplication::instance()->thread()) {
-        returnValue = m_settings.value(key, defaultValue);
-    } else {
-        QMetaObject::invokeMethod(&m_settings, "value", Qt::BlockingQueuedConnection, Q_RETURN_ARG(QVariant, returnValue),
-                                  Q_ARG(const QString &, key), Q_ARG(const QVariant &, defaultValue));
-    }
-    return returnValue;
-}
-
-void Settings::setValue(const QString &key, const QVariant &value)
-{
-    if (QThread::currentThread() == QCoreApplication::instance()->thread()) {
-        m_settings.setValue(key, value);
-    } else {
-        QMetaObject::invokeMethod(&m_settings, "setValue", Qt::BlockingQueuedConnection, Q_ARG(const QString &, key),
-                                  Q_ARG(const QVariant &, value));
-    }
-}
-
 void Settings::resetGatewayEndpoint()
 {
     m_gatewayEndpoint = gatewayEndpoint;
@@ -542,50 +518,50 @@ QString Settings::getGatewayEndpoint(bool isTestPurchase)
 
 bool Settings::isDevGatewayEnv(bool isTestPurchase)
 {
-    return isTestPurchase ? true : value("Conf/devGatewayEnv", false).toBool();
+    return isTestPurchase ? true : m_settings.value("Conf/devGatewayEnv", false).toBool();
 }
 
 void Settings::toggleDevGatewayEnv(bool enabled)
 {
-    setValue("Conf/devGatewayEnv", enabled);
+    m_settings.setValue("Conf/devGatewayEnv", enabled);
 }
 
 bool Settings::isHomeAdLabelVisible()
 {
-    return value("Conf/homeAdLabelVisible", true).toBool();
+    return m_settings.value("Conf/homeAdLabelVisible", true).toBool();
 }
 
 void Settings::disableHomeAdLabel()
 {
-    setValue("Conf/homeAdLabelVisible", false);
+    m_settings.setValue("Conf/homeAdLabelVisible", false);
 }
 
 bool Settings::isPremV1MigrationReminderActive()
 {
-    return value("Conf/premV1MigrationReminderActive", true).toBool();
+    return m_settings.value("Conf/premV1MigrationReminderActive", true).toBool();
 }
 
 void Settings::disablePremV1MigrationReminder()
 {
-    setValue("Conf/premV1MigrationReminderActive", false);
+    m_settings.setValue("Conf/premV1MigrationReminderActive", false);
 }
 
 QStringList Settings::allowedDnsServers() const
 {
-    return value("Conf/allowedDnsServers").toStringList();
+    return m_settings.value("Conf/allowedDnsServers").toStringList();
 }
 
 void Settings::setAllowedDnsServers(const QStringList &servers)
 {
-    setValue("Conf/allowedDnsServers", servers);
+    m_settings.setValue("Conf/allowedDnsServers", servers);
 }
 
 QStringList Settings::readNewsIds() const
 {
-    return value("News/readIds").toStringList();
+    return m_settings.value("News/readIds").toStringList();
 }
 
 void Settings::setReadNewsIds(const QStringList &ids)
 {
-    setValue("News/readIds", ids);
+    m_settings.setValue("News/readIds", ids);
 }

client/settings.h

@@ -29,11 +29,11 @@ public:
 
     QJsonArray serversArray() const
     {
-        return QJsonDocument::fromJson(value("Servers/serversList").toByteArray()).array();
+        return QJsonDocument::fromJson(m_settings.value("Servers/serversList").toByteArray()).array();
     }
     void setServersArray(const QJsonArray &servers)
     {
-        setValue("Servers/serversList", QJsonDocument(servers).toJson());
+        m_settings.setValue("Servers/serversList", QJsonDocument(servers).toJson());
     }
 
     // Servers section
@@ -45,11 +45,11 @@ public:
 
     int defaultServerIndex() const
     {
-        return value("Servers/defaultServerIndex", 0).toInt();
+        return m_settings.value("Servers/defaultServerIndex", 0).toInt();
     }
     void setDefaultServer(int index)
     {
-        setValue("Servers/defaultServerIndex", index);
+        m_settings.setValue("Servers/defaultServerIndex", index);
     }
     QJsonObject defaultServer() const
     {
@@ -78,25 +78,34 @@ public:
     // App settings section
     bool isAutoConnect() const
     {
-        return value("Conf/autoConnect", false).toBool();
+        return m_settings.value("Conf/autoConnect", false).toBool();
     }
     void setAutoConnect(bool enabled)
     {
-        setValue("Conf/autoConnect", enabled);
+        m_settings.setValue("Conf/autoConnect", enabled);
     }
 
     bool isStartMinimized() const
     {
-        return value("Conf/startMinimized", false).toBool();
+        return m_settings.value("Conf/startMinimized", false).toBool();
     }
     void setStartMinimized(bool enabled)
     {
-        setValue("Conf/startMinimized", enabled);
+        m_settings.setValue("Conf/startMinimized", enabled);
+    }
+
+    bool isNewsNotifications() const
+    {
+        return m_settings.value("Conf/newsNotifications", true).toBool();
+    }
+    void setNewsNotifications(bool enabled)
+    {
+        m_settings.setValue("Conf/newsNotifications", enabled);
     }
 
     bool isSaveLogs() const
     {
-        return value("Conf/saveLogs", false).toBool();
+        return m_settings.value("Conf/saveLogs", false).toBool();
     }
     void setSaveLogs(bool enabled);
 
@@ -113,19 +122,18 @@ public:
     QString routeModeString(RouteMode mode) const;
 
     RouteMode routeMode() const;
-    void setRouteMode(RouteMode mode) { setValue("Conf/routeMode", mode); }
+    void setRouteMode(RouteMode mode) { m_settings.setValue("Conf/routeMode", mode); }
 
     bool isSitesSplitTunnelingEnabled() const;
     void setSitesSplitTunnelingEnabled(bool enabled);
 
     QVariantMap vpnSites(RouteMode mode) const
     {
-        return value("Conf/" + routeModeString(mode)).toMap();
+        return m_settings.value("Conf/" + routeModeString(mode)).toMap();
     }
     void setVpnSites(RouteMode mode, const QVariantMap &sites)
     {
-        setValue("Conf/" + routeModeString(mode), sites);
-        m_settings.sync();
+        m_settings.setValue("Conf/" + routeModeString(mode), sites);
     }
     bool addVpnSite(RouteMode mode, const QString &site, const QString &ip = "");
     void addVpnSites(RouteMode mode, const QMap<QString, QString> &sites); // map <site, ip>
@@ -138,11 +146,11 @@ public:
 
     bool useAmneziaDns() const
     {
-        return value("Conf/useAmneziaDns", true).toBool();
+        return m_settings.value("Conf/useAmneziaDns", true).toBool();
     }
     void setUseAmneziaDns(bool enabled)
     {
-        setValue("Conf/useAmneziaDns", enabled);
+        m_settings.setValue("Conf/useAmneziaDns", enabled);
     }
 
     QString primaryDns() const;
@@ -151,13 +159,13 @@ public:
     // QString primaryDns() const { return m_primaryDns; }
     void setPrimaryDns(const QString &primaryDns)
     {
-        setValue("Conf/primaryDns", primaryDns);
+        m_settings.setValue("Conf/primaryDns", primaryDns);
     }
 
     // QString secondaryDns() const { return m_secondaryDns; }
     void setSecondaryDns(const QString &secondaryDns)
     {
-        setValue("Conf/secondaryDns", secondaryDns);
+        m_settings.setValue("Conf/secondaryDns", secondaryDns);
     }
 
     //    static constexpr char openNicNs5[] = "94.103.153.176";
@@ -179,16 +187,16 @@ public:
     };
     void setAppLanguage(QLocale locale)
     {
-        setValue("Conf/appLanguage", locale.name());
+        m_settings.setValue("Conf/appLanguage", locale.name());
     };
 
     bool isScreenshotsEnabled() const
     {
-        return value("Conf/screenshotsEnabled", true).toBool();
+        return m_settings.value("Conf/screenshotsEnabled", true).toBool();
     }
     void setScreenshotsEnabled(bool enabled)
     {
-        setValue("Conf/screenshotsEnabled", enabled);
+        m_settings.setValue("Conf/screenshotsEnabled", enabled);
         emit screenshotsEnabledChanged(enabled);
     }
 
@@ -246,9 +254,6 @@ signals:
     void settingsCleared();
 
 private:
-    QVariant value(const QString &key, const QVariant &defaultValue = QVariant()) const;
-    void setValue(const QString &key, const QVariant &value);
-
     void setInstallationUuid(const QString &uuid);
 
     mutable SecureQSettings m_settings;

client/tests/CMakeLists.txt

@@ -1,81 +0,0 @@
-cmake_minimum_required(VERSION 3.25.0)
-project(TransportTest)
-
-set(CLIENT_ROOT_DIR ${CMAKE_CURRENT_LIST_DIR}/..)
-
-find_package(Qt6 REQUIRED COMPONENTS Core Network Test)
-
-set(QSIMPLECRYPTO_DIR ${CLIENT_ROOT_DIR}/3rd/QSimpleCrypto/src)
-
-set(OPENSSL_ROOT_DIR "${CLIENT_ROOT_DIR}/3rd-prebuilt/3rd-prebuilt/openssl/")
-if(WIN32)
-    set(OPENSSL_INCLUDE_DIR "${OPENSSL_ROOT_DIR}/windows/include")
-    if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "8")
-        set(OPENSSL_LIB_SSL "${OPENSSL_ROOT_DIR}/windows/win64/libssl.lib")
-        set(OPENSSL_LIB_CRYPTO "${OPENSSL_ROOT_DIR}/windows/win64/libcrypto.lib")
-    else()
-        set(OPENSSL_LIB_SSL "${OPENSSL_ROOT_DIR}/windows/win32/libssl.lib")
-        set(OPENSSL_LIB_CRYPTO "${OPENSSL_ROOT_DIR}/windows/win32/libcrypto.lib")
-    endif()
-elseif(APPLE AND NOT IOS)
-    set(OPENSSL_INCLUDE_DIR "${OPENSSL_ROOT_DIR}/macos/include")
-    set(OPENSSL_LIB_SSL "${OPENSSL_ROOT_DIR}/macos/lib/libssl.a")
-    set(OPENSSL_LIB_CRYPTO "${OPENSSL_ROOT_DIR}/macos/lib/libcrypto.a")
-elseif(LINUX)
-    set(OPENSSL_INCLUDE_DIR "${OPENSSL_ROOT_DIR}/linux/include")
-    set(OPENSSL_LIB_SSL "${OPENSSL_ROOT_DIR}/linux/x86_64/libssl.a")
-    set(OPENSSL_LIB_CRYPTO "${OPENSSL_ROOT_DIR}/linux/x86_64/libcrypto.a")
-endif()
-
-add_definitions(-DPROD_AGW_PUBLIC_KEY="$ENV{PROD_AGW_PUBLIC_KEY}")
-add_definitions(-DDEV_AGW_PUBLIC_KEY="$ENV{DEV_AGW_PUBLIC_KEY}")
-
-add_definitions(-DAGW_DNS_SERVER="$ENV{AGW_DNS_SERVER}")
-add_definitions(-DAGW_DNS_DOMAIN="$ENV{AGW_DNS_DOMAIN}")
-add_definitions(-DAGW_DNS_PRIMARY="$ENV{AGW_DNS_PRIMARY}")
-add_definitions(-DAGW_DNS_PORT_UDP="$ENV{AGW_DNS_PORT_UDP}")
-add_definitions(-DAGW_DNS_PORT_DOT="$ENV{AGW_DNS_PORT_DOT}")
-add_definitions(-DAGW_DNS_PORT_DOH="$ENV{AGW_DNS_PORT_DOH}")
-add_definitions(-DAGW_DNS_PORT_DOQ="$ENV{AGW_DNS_PORT_DOQ}")
-add_definitions(-DAGW_DNS_DOH_PATH="$ENV{AGW_DNS_DOH_PATH}")
-add_definitions(-DAGW_DNS_RETRY_COUNT="$ENV{AGW_DNS_RETRY_COUNT}")
-add_definitions(-DAGW_DNS_TIMEOUT_MS="$ENV{AGW_DNS_TIMEOUT_MS}")
-
-qt_add_executable(${PROJECT_NAME}
-    tst_transports.cpp
-    ${CLIENT_ROOT_DIR}/core/transport/dns/dnsResolver.cpp
-    ${CLIENT_ROOT_DIR}/core/transport/dns/dnsTunnel.cpp
-    ${CLIENT_ROOT_DIR}/core/transport/dns/dnsPacket.cpp
-    ${QSIMPLECRYPTO_DIR}/sources/QBlockCipher.cpp
-    ${QSIMPLECRYPTO_DIR}/sources/QRsa.cpp
-    ${QSIMPLECRYPTO_DIR}/sources/QX509.cpp
-    ${QSIMPLECRYPTO_DIR}/sources/QX509Store.cpp
-    ${QSIMPLECRYPTO_DIR}/sources/QAead.cpp
-)
-
-target_include_directories(${PROJECT_NAME} PRIVATE
-    ${CLIENT_ROOT_DIR}
-    ${CLIENT_ROOT_DIR}/core
-    ${CLIENT_ROOT_DIR}/core/transport
-    ${QSIMPLECRYPTO_DIR}
-    ${QSIMPLECRYPTO_DIR}/include
-    ${OPENSSL_INCLUDE_DIR}
-)
-
-target_compile_definitions(${PROJECT_NAME} PRIVATE
-    CLIENT_SOURCE_DIR="${CLIENT_ROOT_DIR}"
-)
-
-target_link_libraries(${PROJECT_NAME} PRIVATE
-    Qt6::Core
-    Qt6::Network
-    Qt6::Test
-    ${OPENSSL_LIB_SSL}
-    ${OPENSSL_LIB_CRYPTO}
-)
-
-if(WIN32)
-    target_link_libraries(${PROJECT_NAME} PRIVATE ws2_32 crypt32)
-endif()
-
-add_test(NAME TransportTest COMMAND ${PROJECT_NAME})

client/tests/tst_transports.cpp

@@ -1,406 +0,0 @@
-#include <QCoreApplication>
-#include <QDebug>
-#include <QElapsedTimer>
-#include <QEventLoop>
-#include <QHostAddress>
-#include <QHostInfo>
-#include <QNetworkAccessManager>
-#include <QNetworkReply>
-#include <QNetworkRequest>
-#include <QSslConfiguration>
-#include <QSslError>
-#include <QTest>
-#include <QUrl>
-
-#include "transport/dns/dnsResolver.h"
-#include "transport/dns/dnsTunnel.h"
-#include "QBlockCipher.h"
-#include "QRsa.h"
-
-#include <openssl/evp.h>
-#include <openssl/rsa.h>
-
-using amnezia::transport::dns::DnsProtocol;
-
-struct TransportResult {
-    QString name;
-    bool success = false;
-    int elapsedMs = 0;
-    int responseSize = 0;
-    QString error;
-    QByteArray responseBody;
-};
-
-struct TestConfig {
-    QString httpEndpoint;
-    struct DnsEntry {
-        QString name;
-        DnsProtocol type;
-        QString server;
-        QString domain;
-        quint16 port;
-        QString dohPath;
-    };
-    QList<DnsEntry> dnsTransports;
-    int timeoutMs = 15000;
-};
-
-static TestConfig buildConfigFromEnv()
-{
-    TestConfig cfg;
-
-    QString server(AGW_DNS_SERVER);
-    QString domain(AGW_DNS_DOMAIN);
-
-    cfg.httpEndpoint = QString(DEV_AGW_PUBLIC_KEY).isEmpty()
-        ? QString() : QString("http://%1/").arg(server);
-
-    int timeout = QString(AGW_DNS_TIMEOUT_MS).toInt();
-    cfg.timeoutMs = (timeout > 0) ? timeout : 15000;
-
-    if (server.isEmpty() || domain.isEmpty()) return cfg;
-
-    auto addEntry = [&](DnsProtocol type, const QString &name,
-                        const char *portDefine, quint16 defaultPort, const QString &dohPath = QString()) {
-        TestConfig::DnsEntry e;
-        e.type = type;
-        e.name = name;
-        e.server = server;
-        e.domain = domain;
-        quint16 port = QString(portDefine).toUShort();
-        e.port = (port > 0) ? port : defaultPort;
-        if (!dohPath.isEmpty()) e.dohPath = dohPath;
-        cfg.dnsTransports.append(e);
-    };
-
-    addEntry(DnsProtocol::Udp, "UDP", AGW_DNS_PORT_UDP, 5353);
-    addEntry(DnsProtocol::Tcp, "TCP", AGW_DNS_PORT_UDP, 5353);
-    addEntry(DnsProtocol::Tls, "DoT", AGW_DNS_PORT_DOT, 853);
-
-    QString dohPath = QString(AGW_DNS_DOH_PATH);
-    if (dohPath.isEmpty()) dohPath = "/dns-query";
-    addEntry(DnsProtocol::Https, "DoH", AGW_DNS_PORT_DOH, 443, dohPath);
-
-    addEntry(DnsProtocol::Quic, "DoQ", AGW_DNS_PORT_DOQ, 8853);
-
-    return cfg;
-}
-
-static QString resolveHost(const QString &host)
-{
-    QHostAddress addr(host);
-    if (!addr.isNull()) return host;
-    QHostInfo info = QHostInfo::fromName(host);
-    if (!info.addresses().isEmpty())
-        return info.addresses().first().toString();
-    return host;
-}
-
-struct EncryptedPayload {
-    QByteArray body;
-    QByteArray key;
-    QByteArray iv;
-    QByteArray salt;
-    bool ok = false;
-    QString error;
-};
-
-static EncryptedPayload encryptPayload(const QJsonObject &apiPayload, const QByteArray &rsaPubKeyPem)
-{
-    EncryptedPayload result;
-
-    QSimpleCrypto::QBlockCipher blockCipher;
-    result.key = blockCipher.generatePrivateSalt(32);
-    result.iv = blockCipher.generatePrivateSalt(32);
-    result.salt = blockCipher.generatePrivateSalt(8);
-
-    QJsonObject keyPayload;
-    keyPayload["aes_key"] = QString(result.key.toBase64());
-    keyPayload["aes_iv"] = QString(result.iv.toBase64());
-    keyPayload["aes_salt"] = QString(result.salt.toBase64());
-
-    try {
-        QSimpleCrypto::QRsa rsa;
-        QByteArray pemData = rsaPubKeyPem;
-        pemData.replace("\\n", "\n");
-        EVP_PKEY *pubKey = rsa.getPublicKeyFromByteArray(pemData);
-        if (!pubKey) {
-            result.error = "Failed to load RSA public key";
-            return result;
-        }
-
-        QByteArray encKeyPayload = rsa.encrypt(QJsonDocument(keyPayload).toJson(), pubKey, RSA_PKCS1_PADDING);
-        EVP_PKEY_free(pubKey);
-
-        QByteArray encApiPayload = blockCipher.encryptAesBlockCipher(
-            QJsonDocument(apiPayload).toJson(), result.key, result.iv, "", result.salt);
-
-        QJsonObject requestBody;
-        requestBody["key_payload"] = QString(encKeyPayload.toBase64());
-        requestBody["api_payload"] = QString(encApiPayload.toBase64());
-
-        result.body = QJsonDocument(requestBody).toJson();
-        result.ok = true;
-    } catch (const std::exception &ex) {
-        result.error = QString("Encryption failed: %1").arg(ex.what());
-    } catch (...) {
-        result.error = "Encryption failed: unknown error";
-    }
-    return result;
-}
-
-static QByteArray decryptResponse(const QByteArray &encrypted, const QByteArray &key,
-                                   const QByteArray &iv, const QByteArray &salt)
-{
-    try {
-        QSimpleCrypto::QBlockCipher blockCipher;
-        return blockCipher.decryptAesBlockCipher(encrypted, key, iv, "", salt);
-    } catch (...) {
-        return QByteArray();
-    }
-}
-
-class TransportTest : public QObject
-{
-    Q_OBJECT
-
-private:
-    TestConfig m_config;
-    QByteArray m_rsaKey;
-    bool m_hasRsaKey = false;
-    QList<TransportResult> m_results;
-
-    void logResult(const TransportResult &r) {
-        QString status = r.success ? "OK" : "FAIL";
-        qDebug().noquote() << QString("[%1] %2 | %3ms | %4 bytes | %5")
-            .arg(status, -4)
-            .arg(r.name, -20)
-            .arg(r.elapsedMs, 5)
-            .arg(r.responseSize, 6)
-            .arg(r.error.isEmpty() ? "---" : r.error);
-    }
-
-    TransportResult doHttpTransport(const QString &endpoint, const QByteArray &payload) {
-        TransportResult r;
-        r.name = "HTTP";
-        QElapsedTimer timer;
-        timer.start();
-
-        QNetworkAccessManager nam;
-        QNetworkRequest request(QUrl(endpoint));
-        request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
-        request.setTransferTimeout(m_config.timeoutMs);
-
-        QNetworkReply *reply = nam.post(request, payload);
-
-        QEventLoop loop;
-        QObject::connect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
-        loop.exec();
-
-        r.elapsedMs = static_cast<int>(timer.elapsed());
-
-        if (reply->error() != QNetworkReply::NoError) {
-            r.error = QString("HTTP %1: %2")
-                .arg(reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt())
-                .arg(reply->errorString());
-            r.responseBody = reply->readAll();
-            r.responseSize = r.responseBody.size();
-        } else {
-            r.responseBody = reply->readAll();
-            r.responseSize = r.responseBody.size();
-            r.success = !r.responseBody.isEmpty();
-            if (!r.success) r.error = "Empty response";
-        }
-        reply->deleteLater();
-        return r;
-    }
-
-    TransportResult doDnsTransport(const TestConfig::DnsEntry &entry, const QByteArray &payload,
-                                   const QString &resolvedIp) {
-        TransportResult r;
-        r.name = QString("DNS-%1").arg(entry.name);
-        QElapsedTimer timer;
-        timer.start();
-
-        bool needsHostname = (entry.type == DnsProtocol::Https || entry.type == DnsProtocol::Tls);
-        QString serverAddr = needsHostname ? entry.server : resolvedIp;
-
-        r.responseBody = amnezia::transport::dns::DnsTunnel::send(
-            payload, "services", entry.domain,
-            serverAddr, entry.type, entry.port,
-            m_config.timeoutMs, entry.dohPath);
-
-        r.elapsedMs = static_cast<int>(timer.elapsed());
-        r.responseSize = r.responseBody.size();
-        r.success = !r.responseBody.isEmpty();
-        if (!r.success) r.error = "Empty/no response";
-        return r;
-    }
-
-private slots:
-    void initTestCase()
-    {
-        m_config = buildConfigFromEnv();
-
-        QVERIFY2(!m_config.dnsTransports.isEmpty(),
-                 "AGW_DNS_SERVER / AGW_DNS_DOMAIN not set -- cannot run transport tests");
-
-        qDebug() << "HTTP endpoint:" << m_config.httpEndpoint;
-        qDebug() << "DNS transports:" << m_config.dnsTransports.size();
-        qDebug() << "Timeout:" << m_config.timeoutMs << "ms";
-
-        QByteArray prodKey(PROD_AGW_PUBLIC_KEY);
-        QByteArray devKey(DEV_AGW_PUBLIC_KEY);
-        if (!prodKey.isEmpty()) {
-            m_rsaKey = prodKey;
-            m_hasRsaKey = true;
-            qDebug() << "Using PROD_AGW_PUBLIC_KEY for E2E tests";
-        } else if (!devKey.isEmpty()) {
-            m_rsaKey = devKey;
-            m_hasRsaKey = true;
-            qDebug() << "Using DEV_AGW_PUBLIC_KEY for E2E tests";
-        } else {
-            qWarning() << "No RSA public key found -- E2E tests will be SKIPPED";
-        }
-    }
-
-    void test_transport_http()
-    {
-        QByteArray payload = R"({"test":true})";
-        TransportResult r = doHttpTransport(m_config.httpEndpoint, payload);
-        m_results.append(r);
-        logResult(r);
-        QVERIFY2(r.success || r.responseSize > 0,
-                 qPrintable(QString("HTTP transport failed: %1").arg(r.error)));
-    }
-
-    void test_transport_dns_data()
-    {
-        QTest::addColumn<int>("transportIndex");
-        for (int i = 0; i < m_config.dnsTransports.size(); ++i) {
-            const auto &e = m_config.dnsTransports[i];
-            if (e.type == DnsProtocol::Quic) continue;
-            QTest::newRow(qPrintable(e.name)) << i;
-        }
-    }
-
-    void test_transport_dns()
-    {
-        QFETCH(int, transportIndex);
-        const auto &entry = m_config.dnsTransports[transportIndex];
-        QString resolvedIp = resolveHost(entry.server);
-        qDebug() << "Server:" << entry.server << "-> IP:" << resolvedIp
-                 << "Port:" << entry.port;
-
-        QByteArray payload = R"({"test":true})";
-        TransportResult r = doDnsTransport(entry, payload, resolvedIp);
-        m_results.append(r);
-        logResult(r);
-
-        if (!r.success) {
-            qWarning() << "DNS" << entry.name << "transport failed (server may be down):" << r.error;
-        }
-    }
-
-    void test_e2e_http()
-    {
-        if (!m_hasRsaKey) QSKIP("No RSA key -- skipping E2E");
-
-        QJsonObject apiPayload;
-        apiPayload["protocol"] = "any";
-        EncryptedPayload enc = encryptPayload(apiPayload, m_rsaKey);
-        QVERIFY2(enc.ok, qPrintable(enc.error));
-
-        TransportResult r = doHttpTransport(m_config.httpEndpoint, enc.body);
-        r.name = "E2E-HTTP";
-
-        if (r.success) {
-            QByteArray decrypted = decryptResponse(r.responseBody, enc.key, enc.iv, enc.salt);
-            if (!decrypted.isEmpty()) {
-                r.responseBody = decrypted;
-                r.responseSize = decrypted.size();
-                qDebug() << "Decrypted response:" << decrypted.left(200);
-            } else {
-                r.error = "Decryption failed (raw body size: " + QString::number(r.responseBody.size()) + ")";
-                r.success = false;
-            }
-        }
-
-        m_results.append(r);
-        logResult(r);
-        QVERIFY2(r.success, qPrintable(QString("E2E HTTP failed: %1").arg(r.error)));
-    }
-
-    void test_e2e_dns_data()
-    {
-        QTest::addColumn<int>("transportIndex");
-        for (int i = 0; i < m_config.dnsTransports.size(); ++i) {
-            const auto &e = m_config.dnsTransports[i];
-            if (e.type == DnsProtocol::Quic) continue;
-            QTest::newRow(qPrintable(QString("E2E-%1").arg(e.name))) << i;
-        }
-    }
-
-    void test_e2e_dns()
-    {
-        if (!m_hasRsaKey) QSKIP("No RSA key -- skipping E2E");
-
-        QFETCH(int, transportIndex);
-        const auto &entry = m_config.dnsTransports[transportIndex];
-        QString resolvedIp = resolveHost(entry.server);
-        qDebug() << "E2E via" << entry.name << "server:" << entry.server
-                 << "-> IP:" << resolvedIp << "port:" << entry.port;
-
-        QJsonObject apiPayload;
-        apiPayload["protocol"] = "any";
-        EncryptedPayload enc = encryptPayload(apiPayload, m_rsaKey);
-        QVERIFY2(enc.ok, qPrintable(enc.error));
-
-        TransportResult r = doDnsTransport(entry, enc.body, resolvedIp);
-        r.name = QString("E2E-%1").arg(entry.name);
-
-        if (r.success) {
-            QByteArray decrypted = decryptResponse(r.responseBody, enc.key, enc.iv, enc.salt);
-            if (!decrypted.isEmpty()) {
-                r.responseBody = decrypted;
-                r.responseSize = decrypted.size();
-                qDebug() << "Decrypted response:" << decrypted.left(200);
-            } else {
-                r.error = "Decryption failed (raw body size: " + QString::number(r.responseBody.size()) + ")";
-                r.success = false;
-            }
-        }
-
-        m_results.append(r);
-        logResult(r);
-
-        if (!r.success) {
-            qWarning() << "E2E DNS" << entry.name << "failed:" << r.error;
-        }
-    }
-
-    void cleanupTestCase()
-    {
-        qDebug() << "";
-        qDebug() << "============================================================";
-        qDebug() << "                    TRANSPORT TEST SUMMARY";
-        qDebug() << "============================================================";
-        qDebug().noquote() << QString(" %-4s | %-20s | %5s | %6s | %s")
-            .arg("", "Transport", "ms", "bytes", "Error");
-        qDebug() << "------------------------------------------------------------";
-
-        int passed = 0, failed = 0;
-        for (const auto &r : m_results) {
-            logResult(r);
-            if (r.success) ++passed; else ++failed;
-        }
-
-        qDebug() << "------------------------------------------------------------";
-        qDebug().noquote() << QString("Total: %1 passed, %2 failed, %3 total")
-            .arg(passed).arg(failed).arg(m_results.size());
-        qDebug() << "============================================================";
-    }
-};
-
-QTEST_MAIN(TransportTest)
-#include "tst_transports.moc"

client/ui/controllers/api/apiConfigsController.cpp

@@ -5,7 +5,6 @@
 #include "core/api/apiDefs.h"
 #include "core/api/apiUtils.h"
 #include "core/controllers/gatewayController.h"
-#include "core/networkUtilities.h"
 #include "core/qrCodeUtils.h"
 #include "ui/controllers/systemController.h"
 #include "version.h"
@@ -367,6 +366,8 @@ bool ApiConfigsController::fillAvailableServices()
 {
     QJsonObject apiPayload;
     apiPayload[configKey::osVersion] = QSysInfo::productType();
+    apiPayload[configKey::appVersion] = QString(APP_VERSION);
+    apiPayload[apiDefs::key::cliName] = QString(APPLICATION_NAME);
     apiPayload[apiDefs::key::appLanguage] = m_settings->getAppLanguage().name().split("_").first();
 
     QByteArray responseBody;
@@ -383,6 +384,51 @@ bool ApiConfigsController::fillAvailableServices()
     }
 
     QJsonObject data = QJsonDocument::fromJson(responseBody).object();
+    
+#if defined(Q_OS_IOS) || defined(MACOS_NE)
+    QEventLoop waitProducts;
+    bool productsFetched = false;
+    QString productPrice;
+    QString productCurrency;
+    
+    IosController::Instance()->fetchProducts(QStringList() << QStringLiteral("amnezia_premium_6_month"),
+                                             [&](const QList<QVariantMap> &products,
+                                                 const QStringList &invalidIds,
+                                                 const QString &errorString) {
+                                                 if (!errorString.isEmpty() || products.isEmpty()) {
+                                                     qWarning().noquote() << "[IAP] Failed to fetch product price:" << errorString;
+                                                 } else {
+                                                     const auto &product = products.first();
+                                                     productPrice = product.value("price").toString();
+                                                     productCurrency = product.value("currencyCode").toString();
+                                                     productsFetched = true;
+                                                     qInfo().noquote() << "[IAP] Fetched product price:" << productPrice << productCurrency;
+                                                 }
+                                                 waitProducts.quit();
+                                             });
+    waitProducts.exec();
+    
+    if (productsFetched && !productPrice.isEmpty()) {
+        QJsonArray services = data.value("services").toArray();
+        for (int i = 0; i < services.size(); ++i) {
+            QJsonObject service = services[i].toObject();
+            if (service.value(configKey::serviceType).toString() == serviceType::amneziaPremium) {
+                QJsonObject serviceInfo = service.value(configKey::serviceInfo).toObject();
+                QString formattedPrice = productPrice;
+                if (!productCurrency.isEmpty()) {
+                    formattedPrice += " " + productCurrency;
+                }
+                serviceInfo["price"] = formattedPrice;
+                service[configKey::serviceInfo] = serviceInfo;
+                services[i] = service;
+                data["services"] = services;
+                qInfo().noquote() << "[IAP] Updated premium service price in data:" << formattedPrice;
+                break;
+            }
+        }
+    }
+#endif
+    
     m_apiServicesModel->updateModel(data);
     if (m_apiServicesModel->rowCount() > 0) {
         m_apiServicesModel->setServiceIndex(0);
@@ -403,7 +449,7 @@ bool ApiConfigsController::importService()
             importSerivceFromAppStore();
             return true;
         }
-    } else {
+    } else if (m_apiServicesModel->getSelectedServiceType() == serviceType::amneziaFree) {
         importServiceFromGateway();
         return true;
     }
@@ -677,6 +723,7 @@ bool ApiConfigsController::updateServiceFromGateway(const int serverIndex, const
     }
 
     bool isTestPurchase = apiConfig.value(apiDefs::key::isTestPurchase).toBool(false);
+    bool wasSubscriptionExpired = m_serversModel->data(serverIndex, ServersModel::IsSubscriptionExpiredRole).toBool();
     QByteArray responseBody;
     ErrorCode errorCode = executeRequest(QString("%1v1/config"), apiPayload, responseBody, isTestPurchase);
 
@@ -703,6 +750,11 @@ bool ApiConfigsController::updateServiceFromGateway(const int serverIndex, const
             newServerConfig.insert(config_key::nameOverriddenByUser, true);
         }
         m_serversModel->editServer(newServerConfig, serverIndex);
+
+        if (wasSubscriptionExpired) {
+            emit subscriptionRefreshNeeded();
+        }
+
         if (reloadServiceConfig) {
             emit reloadServerFromApiFinished(tr("API config reloaded"));
         } else if (newCountryName.isEmpty()) {
@@ -712,7 +764,11 @@ bool ApiConfigsController::updateServiceFromGateway(const int serverIndex, const
         }
         return true;
     } else {
-        emit errorOccurred(errorCode);
+        if (errorCode == ErrorCode::ApiSubscriptionExpiredError) {
+            emit subscriptionExpiredOnServer();
+        } else {
+            emit errorOccurred(errorCode);
+        }
         return false;
     }
 }
@@ -724,6 +780,9 @@ bool ApiConfigsController::updateServiceFromTelegram(const int serverIndex)
     QThread::msleep(10);
 #endif
 
+    GatewayController gatewayController(m_settings->getGatewayEndpoint(), m_settings->isDevGatewayEnv(), apiDefs::requestTimeoutMsecs,
+                                        m_settings->isStrictKillSwitchEnabled());
+
     auto serverConfig = m_serversModel->getServerConfig(serverIndex);
     auto installationUuid = m_settings->getInstallationUuid(true);
 
@@ -739,17 +798,7 @@ bool ApiConfigsController::updateServiceFromTelegram(const int serverIndex)
     apiPayload[configKey::apiEndpoint] = serverConfig.value(configKey::apiEndpoint).toString();
 
     QByteArray responseBody;
-    QString endpoint = QString("%1v1/proxy_config");
-    
-    // Use GatewayController with parallel transports
-    GatewayController gatewayController(m_settings->getGatewayEndpoint(), 
-                                        m_settings->isDevGatewayEnv(), 
-                                        apiDefs::requestTimeoutMsecs,
-                                        m_settings->isStrictKillSwitchEnabled());
-    
-    gatewayController.setTransportsConfig(GatewayController::buildTransportsConfig());
-    
-    ErrorCode errorCode = gatewayController.post(endpoint, apiPayload, responseBody);
+    ErrorCode errorCode = gatewayController.post(QString("%1v1/proxy_config"), apiPayload, responseBody);
 
     if (errorCode == ErrorCode::NoError) {
         errorCode = fillServerConfig(serviceProtocol, protocolData, responseBody, serverConfig);
@@ -956,12 +1005,7 @@ ErrorCode ApiConfigsController::importServiceFromBilling(const QByteArray &respo
 ErrorCode ApiConfigsController::executeRequest(const QString &endpoint, const QJsonObject &apiPayload, QByteArray &responseBody,
                                                bool isTestPurchase)
 {
-    GatewayController gatewayController(m_settings->getGatewayEndpoint(isTestPurchase), 
-                                        m_settings->isDevGatewayEnv(isTestPurchase),
-                                        apiDefs::requestTimeoutMsecs, 
-                                        m_settings->isStrictKillSwitchEnabled());
-    
-    gatewayController.setTransportsConfig(GatewayController::buildTransportsConfig());
-    
+    GatewayController gatewayController(m_settings->getGatewayEndpoint(isTestPurchase), m_settings->isDevGatewayEnv(isTestPurchase),
+                                        apiDefs::requestTimeoutMsecs, m_settings->isStrictKillSwitchEnabled());
     return gatewayController.post(endpoint, apiPayload, responseBody);
 }

client/ui/controllers/api/apiConfigsController.h

@@ -43,6 +43,8 @@ public slots:
 
 signals:
     void errorOccurred(ErrorCode errorCode);
+    void subscriptionExpiredOnServer();
+    void subscriptionRefreshNeeded();
 
     void installServerFromApiFinished(const QString &message);
     void changeApiCountryFinished(const QString &message);

client/ui/controllers/api/apiNewsController.cpp

@@ -1,8 +1,6 @@
 #include "apiNewsController.h"
 
 #include "core/api/apiUtils.h"
-#include "core/controllers/gatewayController.h"
-#include "core/networkUtilities.h"
 #include <QJsonDocument>
 #include <QJsonObject>
 
@@ -33,6 +31,8 @@ void ApiNewsController::fetchNews(bool showError)
         return;
     }
 
+    auto gatewayController = QSharedPointer<GatewayController>::create(m_settings->getGatewayEndpoint(), m_settings->isDevGatewayEnv(),
+                                                                       apiDefs::requestTimeoutMsecs, m_settings->isStrictKillSwitchEnabled());
     QJsonObject payload;
     payload.insert("locale", m_settings->getAppLanguage().name().split("_").first());
 
@@ -44,35 +44,26 @@ void ApiNewsController::fetchNews(bool showError)
         payload.insert(configKey::serviceType, stacksJson.value(configKey::serviceType));
     }
 
-    QString endpoint = QString("%1v1/news");
-    
-    // Use GatewayController with parallel transports
-    GatewayController gatewayController(m_settings->getGatewayEndpoint(), 
-                                        m_settings->isDevGatewayEnv(),
-                                        apiDefs::requestTimeoutMsecs, 
-                                        m_settings->isStrictKillSwitchEnabled());
-    
-    gatewayController.setTransportsConfig(GatewayController::buildTransportsConfig());
-    
-    QByteArray responseBody;
-    ErrorCode errorCode = gatewayController.post(endpoint, payload, responseBody);
-    
-    if (errorCode != ErrorCode::NoError) {
-        emit errorOccurred(errorCode, showError);
-        return;
-    }
-    
-    // Parse response
-    QJsonDocument doc = QJsonDocument::fromJson(responseBody);
-    QJsonArray newsArray;
-    if (doc.isArray()) {
-        newsArray = doc.array();
-    } else if (doc.isObject()) {
-        QJsonObject obj = doc.object();
-        if (obj.value("news").isArray()) {
-            newsArray = obj.value("news").toArray();
+    auto future = gatewayController->postAsync(QString("%1v1/news"), payload);
+    future.then(this, [this, showError, gatewayController](QPair<ErrorCode, QByteArray> result) {
+        auto [errorCode, responseBody] = result;
+        if (errorCode != ErrorCode::NoError) {
+            emit errorOccurred(errorCode, showError);
+            return;
         }
-    }
-    m_newsModel->updateModel(newsArray);
-    emit fetchNewsFinished();
+
+        QJsonDocument doc = QJsonDocument::fromJson(responseBody);
+        QJsonArray newsArray;
+        if (doc.isArray()) {
+            newsArray = doc.array();
+        } else if (doc.isObject()) {
+            QJsonObject obj = doc.object();
+            if (obj.value("news").isArray()) {
+                newsArray = obj.value("news").toArray();
+            }
+        }
+
+        m_newsModel->updateModel(newsArray);
+        emit fetchNewsFinished();
+    });
 }

client/ui/controllers/api/apiSettingsController.cpp

@@ -1,15 +1,12 @@
 #include "apiSettingsController.h"
 
 #include <QEventLoop>
+#include <QJsonDocument>
 #include <QTimer>
 
-#include "core/api/apiDefs.h"
 #include "core/api/apiUtils.h"
 #include "core/controllers/gatewayController.h"
-#include "core/networkUtilities.h"
-#ifdef Q_OS_IOS
 #include "platforms/ios/ios_controller.h"
-#endif
 #include "version.h"
 
 namespace
@@ -60,6 +57,8 @@ bool ApiSettingsController::getAccountInfo(bool reload)
     auto authData = serverConfig.value(configKey::authData).toObject();
 
     bool isTestPurchase = apiConfig.value(apiDefs::key::isTestPurchase).toBool(false);
+    GatewayController gatewayController(m_settings->getGatewayEndpoint(isTestPurchase), m_settings->isDevGatewayEnv(isTestPurchase),
+                                        requestTimeoutMsecs, m_settings->isStrictKillSwitchEnabled());
 
     QJsonObject apiPayload;
     apiPayload[configKey::userCountryCode] = apiConfig.value(configKey::userCountryCode).toString();
@@ -69,18 +68,8 @@ bool ApiSettingsController::getAccountInfo(bool reload)
     apiPayload[apiDefs::key::appLanguage] = m_settings->getAppLanguage().name().split("_").first();
 
     QByteArray responseBody;
-    QString endpoint = QString("%1v1/account_info");
-    
-    // Use GatewayController with parallel transports
-    GatewayController gatewayController(m_settings->getGatewayEndpoint(isTestPurchase), 
-                                        m_settings->isDevGatewayEnv(isTestPurchase),
-                                        requestTimeoutMsecs, 
-                                        m_settings->isStrictKillSwitchEnabled());
-    
-    gatewayController.setTransportsConfig(GatewayController::buildTransportsConfig());
-    
-    ErrorCode errorCode = gatewayController.post(endpoint, apiPayload, responseBody);
-    
+
+    ErrorCode errorCode = gatewayController.post(QString("%1v1/account_info"), apiPayload, responseBody);
     if (errorCode != ErrorCode::NoError) {
         emit errorOccurred(errorCode);
         return false;
@@ -89,6 +78,13 @@ bool ApiSettingsController::getAccountInfo(bool reload)
     QJsonObject accountInfo = QJsonDocument::fromJson(responseBody).object();
     m_apiAccountInfoModel->updateModel(accountInfo, serverConfig);
 
+    QString subscriptionEndDate = accountInfo.value(apiDefs::key::subscriptionEndDate).toString();
+    if (!subscriptionEndDate.isEmpty()) {
+        apiConfig.insert(apiDefs::key::subscriptionEndDate, subscriptionEndDate);
+        serverConfig.insert(configKey::apiConfig, apiConfig);
+        m_serversModel->editServer(serverConfig, processedIndex);
+    }
+
     if (reload) {
         updateApiCountryModel();
         updateApiDevicesModel();
@@ -97,6 +93,42 @@ bool ApiSettingsController::getAccountInfo(bool reload)
     return true;
 }
 
+void ApiSettingsController::getRenewalLink()
+{
+    auto processedIndex = m_serversModel->getProcessedServerIndex();
+    auto serverConfig = m_serversModel->getServerConfig(processedIndex);
+    auto apiConfig = serverConfig.value(configKey::apiConfig).toObject();
+    auto authData = serverConfig.value(configKey::authData).toObject();
+
+    bool isTestPurchase = apiConfig.value(apiDefs::key::isTestPurchase).toBool(false);
+    auto gatewayController = QSharedPointer<GatewayController>::create(m_settings->getGatewayEndpoint(isTestPurchase),
+                                                                       m_settings->isDevGatewayEnv(isTestPurchase),
+                                                                       requestTimeoutMsecs,
+                                                                       m_settings->isStrictKillSwitchEnabled());
+
+    QJsonObject apiPayload;
+    apiPayload[configKey::userCountryCode] = apiConfig.value(configKey::userCountryCode).toString();
+    apiPayload[configKey::serviceType] = apiConfig.value(configKey::serviceType).toString();
+    apiPayload[configKey::authData] = authData;
+    apiPayload[apiDefs::key::cliVersion] = QString(APP_VERSION);
+    apiPayload[apiDefs::key::appLanguage] = m_settings->getAppLanguage().name().split("_").first();
+
+    auto future = gatewayController->postAsync(QString("%1v1/renewal_link"), apiPayload);
+    future.then(this, [this, gatewayController](QPair<ErrorCode, QByteArray> result) {
+        auto [errorCode, responseBody] = result;
+        if (errorCode != ErrorCode::NoError) {
+            emit errorOccurred(errorCode);
+            return;
+        }
+
+        QJsonObject responseJson = QJsonDocument::fromJson(responseBody).object();
+        QString url = responseJson.value("renewal_url").toString();
+        if (!url.isEmpty()) {
+            emit renewalLinkReceived(url);
+        }
+    });
+}
+
 void ApiSettingsController::updateApiCountryModel()
 {
     m_apiCountryModel->updateModel(m_apiAccountInfoModel->getAvailableCountries(), "");

client/ui/controllers/api/apiSettingsController.h

@@ -21,9 +21,11 @@ public slots:
     bool getAccountInfo(bool reload);
     void updateApiCountryModel();
     void updateApiDevicesModel();
+    void getRenewalLink();
 
 signals:
     void errorOccurred(ErrorCode errorCode);
+    void renewalLinkReceived(const QString &url);
 
 private:
     QSharedPointer<ServersModel> m_serversModel;

client/ui/controllers/exportController.cpp

@@ -7,7 +7,6 @@
 #include <QFileInfo>
 #include <QImage>
 #include <QStandardPaths>
-
 #include "core/controllers/vpnConfigurationController.h"
 #include "core/qrCodeUtils.h"
 #include "core/serialization/serialization.h"
@@ -170,8 +169,7 @@ void ExportController::generateWireGuardConfig(const QString &clientName)
         m_config.append(line + "\n");
     }
 
-    auto qr = qrCodeUtils::generateQrCode(m_config.toUtf8());
-    m_qrCodes << qrCodeUtils::svgToBase64(QString::fromStdString(toSvgString(qr, 1)));
+    m_qrCodes = qrCodeUtils::generateQrCodeImageSeries(m_config.toUtf8());
 
     emit exportConfigChanged();
 }
@@ -191,8 +189,7 @@ void ExportController::generateAwgConfig(const QString &clientName)
         m_config.append(line + "\n");
     }
 
-    auto qr = qrCodeUtils::generateQrCode(m_config.toUtf8());
-    m_qrCodes << qrCodeUtils::svgToBase64(QString::fromStdString(toSvgString(qr, 1)));
+    m_qrCodes = qrCodeUtils::generateQrCodeImageSeries(m_config.toUtf8());
 
     emit exportConfigChanged();
 }

client/ui/controllers/importController.cpp

@@ -291,6 +291,8 @@ void ImportController::processNativeWireGuardConfig()
         clientProtocolConfig[config_key::cookieReplyPacketJunkSize] = "0";
         clientProtocolConfig[config_key::transportPacketJunkSize] = "0";
 
+        clientProtocolConfig[config_key::specialJunk1] = protocols::awg::defaultSpecialJunk1;
+
         clientProtocolConfig[config_key::isObfuscationEnabled] = true;
 
         serverProtocolConfig[config_key::last_config] = QString(QJsonDocument(clientProtocolConfig).toJson());

client/ui/controllers/installController.cpp

@@ -83,8 +83,8 @@ void InstallController::install(DockerContainer container, int port, TransportPr
 
                 int s1 = QRandomGenerator::global()->bounded(15, 150);
                 int s2 = QRandomGenerator::global()->bounded(15, 150);
-                int s3 = QRandomGenerator::global()->bounded(0, 64);
-                int s4 = QRandomGenerator::global()->bounded(0, 20);
+                int s3 = QRandomGenerator::global()->bounded(1, 64);
+                int s4 = QRandomGenerator::global()->bounded(1, 20);
 
                 // Ensure all values are unique and don't create equal packet sizes
                 QSet<int> usedValues;
@@ -97,12 +97,12 @@ void InstallController::install(DockerContainer container, int port, TransportPr
 
                 while (usedValues.contains(s3) || s1 + AwgConstant::messageInitiationSize == s3 + AwgConstant::messageCookieReplySize
                        || s2 + AwgConstant::messageResponseSize == s3 + AwgConstant::messageCookieReplySize) {
-                    s3 = QRandomGenerator::global()->bounded(0, 64);
+                    s3 = QRandomGenerator::global()->bounded(1, 64);
                 }
                 usedValues.insert(s3);
 
                 while (usedValues.contains(s4)) {
-                    s4 = QRandomGenerator::global()->bounded(0, 20);
+                    s4 = QRandomGenerator::global()->bounded(1, 20);
                 }
 
                 QString initPacketJunkSize = QString::number(s1);
@@ -987,79 +987,94 @@ void InstallController::addEmptyServer()
     emit installServerFinished(tr("Server added successfully"));
 }
 
-bool InstallController::isConfigValid()
+void InstallController::validateConfig()
 {
     int serverIndex = m_serversModel->getDefaultServerIndex();
     QJsonObject serverConfigObject = m_serversModel->getServerConfig(serverIndex);
 
     if (apiUtils::isServerFromApi(serverConfigObject)) {
-        return true;
+        emit configValidated(true);
+        return;
     }
 
     if (!m_serversModel->data(serverIndex, ServersModel::Roles::HasInstalledContainers).toBool()) {
         emit noInstalledContainers();
-        return false;
+        emit configValidated(false);
+        return;
     }
 
     DockerContainer container = qvariant_cast<DockerContainer>(m_serversModel->data(serverIndex, ServersModel::Roles::DefaultContainerRole));
 
     if (container == DockerContainer::None) {
         emit installationErrorOccurred(ErrorCode::NoInstalledContainersError);
-        return false;
+        emit configValidated(false);
+        return;
     }
 
-    QSharedPointer<ServerController> serverController(new ServerController(m_settings));
-    VpnConfigurationsController vpnConfigurationController(m_settings, serverController);
-
     QJsonObject containerConfig = m_containersModel->getContainerConfig(container);
     ServerCredentials credentials = m_serversModel->getServerCredentials(serverIndex);
+    QSharedPointer<ServerController> serverController(new ServerController(m_settings));
 
-    QFutureWatcher<ErrorCode> watcher;
+    auto isProtocolConfigExists = [](const QJsonObject &containerConfig, const DockerContainer container) {
+        for (Proto protocol : ContainerProps::protocolsForContainer(container)) {
+            QString protocolConfig =
+                    containerConfig.value(ProtocolProps::protoToString(protocol)).toObject().value(config_key::last_config).toString();
 
-    QFuture<ErrorCode> future = QtConcurrent::run([this, container, &credentials, &containerConfig, &serverController]() {
-        ErrorCode errorCode = ErrorCode::NoError;
-
-        auto isProtocolConfigExists = [](const QJsonObject &containerConfig, const DockerContainer container) {
-            for (Proto protocol : ContainerProps::protocolsForContainer(container)) {
-                QString protocolConfig =
-                        containerConfig.value(ProtocolProps::protoToString(protocol)).toObject().value(config_key::last_config).toString();
-
-                if (protocolConfig.isEmpty()) {
-                    return false;
-                }
-            }
-            return true;
-        };
-
-        if (!isProtocolConfigExists(containerConfig, container)) {
-            VpnConfigurationsController vpnConfigurationController(m_settings, serverController);
-            errorCode = vpnConfigurationController.createProtocolConfigForContainer(credentials, container, containerConfig);
-            if (errorCode != ErrorCode::NoError) {
-                return errorCode;
-            }
-            m_serversModel->updateContainerConfig(container, containerConfig);
-
-            errorCode = m_clientManagementModel->appendClient(container, credentials, containerConfig,
-                                                              QString("Admin [%1]").arg(QSysInfo::prettyProductName()), serverController);
-            if (errorCode != ErrorCode::NoError) {
-                return errorCode;
+            if (protocolConfig.isEmpty()) {
+                return false;
             }
         }
-        return errorCode;
-    });
+        return true;
+    };
 
-    QEventLoop wait;
-    connect(&watcher, &QFutureWatcher<ErrorCode>::finished, &wait, &QEventLoop::quit);
-    watcher.setFuture(future);
-    wait.exec();
-
-    ErrorCode errorCode = watcher.result();
-
-    if (errorCode != ErrorCode::NoError) {
-        emit installationErrorOccurred(errorCode);
-        return false;
+    if (isProtocolConfigExists(containerConfig, container)) {
+        emit configValidated(true);
+        return;
     }
-    return true;
+
+    struct ValidationResult {
+        ErrorCode errorCode = ErrorCode::NoError;
+        QJsonObject containerConfig;
+    };
+
+    QFuture<ValidationResult> future =
+            QtConcurrent::run([settings = m_settings, serverController, credentials, containerConfig, container]() mutable {
+                ValidationResult result;
+                result.containerConfig = containerConfig;
+
+                VpnConfigurationsController vpnConfigurationController(settings, serverController);
+                result.errorCode = vpnConfigurationController.createProtocolConfigForContainer(credentials, container,
+                                                                                               result.containerConfig);
+                return result;
+            });
+
+    auto *watcher = new QFutureWatcher<ValidationResult>(this);
+    connect(watcher, &QFutureWatcher<ValidationResult>::finished, this,
+            [this, watcher, container, credentials, serverController]() {
+                auto result = watcher->result();
+                watcher->deleteLater();
+
+                if (result.errorCode != ErrorCode::NoError) {
+                    emit installationErrorOccurred(result.errorCode);
+                    emit configValidated(false);
+                    return;
+                }
+
+                m_serversModel->updateContainerConfig(container, result.containerConfig);
+
+                ErrorCode appendError = m_clientManagementModel->appendClient(
+                        container, credentials, result.containerConfig,
+                        QString("Admin [%1]").arg(QSysInfo::prettyProductName()), serverController);
+
+                if (appendError != ErrorCode::NoError) {
+                    emit installationErrorOccurred(appendError);
+                    emit configValidated(false);
+                    return;
+                }
+
+                emit configValidated(true);
+            });
+    watcher->setFuture(future);
 }
 
 bool InstallController::isUpdateDockerContainerRequired(const DockerContainer container, const QJsonObject &oldConfig,
@@ -1070,7 +1085,7 @@ bool InstallController::isUpdateDockerContainerRequired(const DockerContainer co
     const QJsonObject &oldProtoConfig = oldConfig.value(ProtocolProps::protoToString(mainProto)).toObject();
     const QJsonObject &newProtoConfig = newConfig.value(ProtocolProps::protoToString(mainProto)).toObject();
 
-    if (container == DockerContainer::Awg2) {
+    if (ContainerProps::isAwgContainer(container)) {
         const AwgConfig oldConfig(oldProtoConfig);
         const AwgConfig newConfig(newProtoConfig);
 

client/ui/controllers/installController.h

@@ -50,9 +50,10 @@ public slots:
 
     void addEmptyServer();
 
-    bool isConfigValid();
+    void validateConfig();
 
 signals:
+    void configValidated(bool isValid);
     void installContainerFinished(const QString &finishMessage, bool isServiceInstall);
     void installServerFinished(const QString &finishMessage);
 

client/ui/controllers/settingsController.cpp

@@ -45,6 +45,8 @@ SettingsController::SettingsController(const QSharedPointer<ServersModel> &serve
         emit safeAreaBottomMarginChanged();
         emit safeAreaTopMarginChanged();
     });
+    connect(AndroidController::instance(), &AndroidController::activityPaused, this, &SettingsController::activityPaused);
+    connect(AndroidController::instance(), &AndroidController::activityResumed, this, &SettingsController::activityResumed);
 #endif
 
     m_isDevModeEnabled = m_settings->isDevGatewayEnv();
@@ -178,12 +180,11 @@ void SettingsController::backupAppConfig(const QString &fileName)
 
 void SettingsController::restoreAppConfig(const QString &fileName)
 {
-    QFile file(fileName);
-
-    file.open(QIODevice::ReadOnly);
-
-    QByteArray data = file.readAll();
-
+    QByteArray data;
+    if (!SystemController::readFile(fileName, data)) {
+        emit changeSettingsErrorOccurred(tr("Can't open file: %1").arg(fileName));
+        return;
+    }
     restoreAppConfigFromData(data);
 }
 
@@ -308,6 +309,15 @@ void SettingsController::toggleStartMinimized(bool enable)
     emit startMinimizedChanged();
 }
 
+bool SettingsController::isNewsNotificationsEnabled()
+{
+    return m_settings->isNewsNotifications();
+}
+void SettingsController::toggleNewsNotificationsEnabled(bool enable)
+{
+    m_settings->setNewsNotifications(enable);
+}
+
 bool SettingsController::isScreenshotsEnabled()
 {
     return m_settings->isScreenshotsEnabled();

client/ui/controllers/settingsController.h

@@ -73,6 +73,9 @@ public slots:
     bool isStartMinimizedEnabled();
     void toggleStartMinimized(bool enable);
 
+    bool isNewsNotificationsEnabled();
+    void toggleNewsNotificationsEnabled(bool enable);
+
     bool isScreenshotsEnabled();
     void toggleScreenshotsEnabled(bool enable);
 
@@ -138,6 +141,9 @@ signals:
     void safeAreaTopMarginChanged();
     void safeAreaBottomMarginChanged();
 
+    void activityPaused();
+    void activityResumed();
+
     void isHomeAdLabelVisibleChanged(bool visible);
     void startMinimizedChanged();
 

client/ui/controllers/sitesController.cpp

@@ -7,10 +7,8 @@
 #include "systemController.h"
 #include "core/networkUtilities.h"
 
-SitesController::SitesController(const std::shared_ptr<Settings> &settings,
-                                 const QSharedPointer<VpnConnection> &vpnConnection,
-                                 const QSharedPointer<SitesModel> &sitesModel, QObject *parent)
-    : QObject(parent), m_settings(settings), m_vpnConnection(vpnConnection), m_sitesModel(sitesModel)
+SitesController::SitesController(const std::shared_ptr<Settings> &settings, const QSharedPointer<SitesModel> &sitesModel, QObject *parent)
+    : QObject(parent), m_settings(settings), m_sitesModel(sitesModel)
 {
 }
 
@@ -34,32 +32,20 @@ void SitesController::addSite(QString hostname)
         hostname = hostname.split("/", Qt::SkipEmptyParts).first();
     }
 
-    const auto &processSite = [this](const QString &hostname, const QString &ip) {
-        m_sitesModel->addSite(hostname, ip);
-
-        if (!ip.isEmpty()) {
-            QMetaObject::invokeMethod(m_vpnConnection.get(), "addRoutes", Qt::QueuedConnection,
-                                      Q_ARG(QStringList, QStringList() << ip));
-        } else if (NetworkUtilities::ipAddressWithSubnetRegExp().exactMatch(hostname)) {
-            QMetaObject::invokeMethod(m_vpnConnection.get(), "addRoutes", Qt::QueuedConnection,
-                                      Q_ARG(QStringList, QStringList() << hostname));
-        }
-    };
-
-    const auto &resolveCallback = [this, processSite](const QHostInfo &hostInfo) {
+    const auto &resolveCallback = [this](const QHostInfo &hostInfo) {
         const QList<QHostAddress> &addresses = hostInfo.addresses();
         for (const QHostAddress &addr : hostInfo.addresses()) {
             if (addr.protocol() == QAbstractSocket::NetworkLayerProtocol::IPv4Protocol) {
-                processSite(hostInfo.hostName(), addr.toString());
+                m_sitesModel->addSite(hostInfo.hostName(), addr.toString());
                 break;
             }
         }
     };
 
     if (NetworkUtilities::ipAddressWithSubnetRegExp().exactMatch(hostname)) {
-        processSite(hostname, "");
+        m_sitesModel->addSite(hostname, "");
     } else {
-        processSite(hostname, "");
+        m_sitesModel->addSite(hostname, "");
         QHostInfo::lookupHost(hostname, this, resolveCallback);
     }
 
@@ -72,9 +58,6 @@ void SitesController::removeSite(int index)
     auto hostname = m_sitesModel->data(modelIndex, SitesModel::Roles::UrlRole).toString();
     m_sitesModel->removeSite(modelIndex);
 
-    QMetaObject::invokeMethod(m_vpnConnection.get(), "deleteRoutes", Qt::QueuedConnection,
-                              Q_ARG(QStringList, QStringList() << hostname));
-
     emit finished(tr("Site removed: %1").arg(hostname));
 }
 
@@ -128,8 +111,6 @@ void SitesController::importSites(const QString &fileName, bool replaceExisting)
 
     m_sitesModel->addSites(sites, replaceExisting);
 
-    QMetaObject::invokeMethod(m_vpnConnection.get(), "addRoutes", Qt::QueuedConnection, Q_ARG(QStringList, ips));
-
     emit finished(tr("Import completed"));
 }
 

client/ui/controllers/sitesController.h

@@ -11,9 +11,8 @@ class SitesController : public QObject
 {
     Q_OBJECT
 public:
-    explicit SitesController(const std::shared_ptr<Settings> &settings,
-                             const QSharedPointer<VpnConnection> &vpnConnection,
-                             const QSharedPointer<SitesModel> &sitesModel, QObject *parent = nullptr);
+    explicit SitesController(const std::shared_ptr<Settings> &settings, const QSharedPointer<SitesModel> &sitesModel,
+                             QObject *parent = nullptr);
 
 public slots:
     void addSite(QString hostname);
@@ -31,8 +30,6 @@ signals:
 
 private:
     std::shared_ptr<Settings> m_settings;
-
-    QSharedPointer<VpnConnection> m_vpnConnection;
     QSharedPointer<SitesModel> m_sitesModel;
 };
 

client/ui/models/api/apiAccountInfoModel.cpp

@@ -1,5 +1,6 @@
 #include "apiAccountInfoModel.h"
 
+#include <QDateTime>
 #include <QJsonObject>
 
 #include "core/api/apiUtils.h"
@@ -32,7 +33,7 @@ QVariant ApiAccountInfoModel::data(const QModelIndex &index, int role) const
         }
 
         return apiUtils::isSubscriptionExpired(m_accountInfoData.subscriptionEndDate) ? tr("<p><a style=\"color: #EB5757;\">Inactive</a>")
-                                                                                      : tr("Active");
+                                                                                      : tr("<p><a style=\"color: #28c840;\">Active</a>");
     }
     case EndDateRole: {
         if (m_accountInfoData.configType == apiDefs::ConfigType::AmneziaFreeV3) {
@@ -52,7 +53,9 @@ QVariant ApiAccountInfoModel::data(const QModelIndex &index, int role) const
     }
     case IsComponentVisibleRole: {
         return m_accountInfoData.configType == apiDefs::ConfigType::AmneziaPremiumV2
-                || m_accountInfoData.configType == apiDefs::ConfigType::ExternalPremium;
+                || m_accountInfoData.configType == apiDefs::ConfigType::AmneziaTrialV2
+                || m_accountInfoData.configType == apiDefs::ConfigType::ExternalPremium
+                || m_accountInfoData.configType == apiDefs::ConfigType::ExternalTrial;
     }
     case HasExpiredWorkerRole: {
         for (int i = 0; i < m_issuedConfigsInfo.size(); i++) {
@@ -73,6 +76,18 @@ QVariant ApiAccountInfoModel::data(const QModelIndex &index, int role) const
         }
         return false;
     }
+    case IsSubscriptionExpiredRole: {
+        if (m_accountInfoData.configType == apiDefs::ConfigType::AmneziaFreeV3) return false;
+        if (m_accountInfoData.subscriptionEndDate.isEmpty()) return false;
+        return apiUtils::isSubscriptionExpired(m_accountInfoData.subscriptionEndDate);
+    }
+    case IsSubscriptionExpiringSoonRole: {
+        if (m_accountInfoData.configType == apiDefs::ConfigType::AmneziaFreeV3) return false;
+        if (m_accountInfoData.subscriptionEndDate.isEmpty()) return false;
+        if (apiUtils::isSubscriptionExpired(m_accountInfoData.subscriptionEndDate)) return false;
+        QDateTime endDate = QDateTime::fromString(m_accountInfoData.subscriptionEndDate, Qt::ISODateWithMs);
+        return endDate <= QDateTime::currentDateTimeUtc().addDays(10);
+    }
     }
 
     return QVariant();
@@ -164,6 +179,8 @@ QHash<int, QByteArray> ApiAccountInfoModel::roleNames() const
     roles[IsComponentVisibleRole] = "isComponentVisible";
     roles[HasExpiredWorkerRole] = "hasExpiredWorker";
     roles[IsProtocolSelectionSupportedRole] = "isProtocolSelectionSupported";
+    roles[IsSubscriptionExpiredRole] = "isSubscriptionExpired";
+    roles[IsSubscriptionExpiringSoonRole] = "isSubscriptionExpiringSoon";
 
     return roles;
 }

client/ui/models/api/apiAccountInfoModel.h

@@ -19,7 +19,9 @@ public:
         EndDateRole,
         IsComponentVisibleRole,
         HasExpiredWorkerRole,
-        IsProtocolSelectionSupportedRole
+        IsProtocolSelectionSupportedRole,
+        IsSubscriptionExpiredRole,
+        IsSubscriptionExpiringSoonRole
     };
 
     explicit ApiAccountInfoModel(QObject *parent = nullptr);
@@ -31,7 +33,6 @@ public:
 public slots:
     void updateModel(const QJsonObject &accountInfoObject, const QJsonObject &serverConfig);
     QVariant data(const QString &roleString);
-
     QJsonArray getAvailableCountries();
     QJsonArray getIssuedConfigsInfo();
 

client/ui/models/api/apiServicesModel.cpp

@@ -41,6 +41,7 @@ namespace
     {
         constexpr char amneziaFree[] = "amnezia-free";
         constexpr char amneziaPremium[] = "amnezia-premium";
+        constexpr char amneziaTrial[] = "amnezia-trial";
     }
 }
 
@@ -69,7 +70,7 @@ QVariant ApiServicesModel::data(const QModelIndex &index, int role) const
     }
     case CardDescriptionRole: {
         auto speed = apiServiceData.serviceInfo.speed;
-        if (serviceType == serviceType::amneziaPremium) {
+        if (serviceType == serviceType::amneziaPremium || serviceType == serviceType::amneziaTrial) {
             return apiServiceData.serviceInfo.cardDescription.arg(speed);
         } else if (serviceType == serviceType::amneziaFree) {
             QString description = apiServiceData.serviceInfo.cardDescription;
@@ -112,7 +113,11 @@ QVariant ApiServicesModel::data(const QModelIndex &index, int role) const
         if (price == "free") {
             return tr("Free");
         }
+#if defined(Q_OS_IOS) || defined(MACOS_NE)
+        return tr("%1 $").arg(price);
+#else
         return tr("%1 $/month").arg(price);
+#endif
     }
     case EndDateRole: {
         return QDateTime::fromString(apiServiceData.subscription.endDate, Qt::ISODate).toLocalTime().toString("d MMM yyyy");
@@ -120,8 +125,10 @@ QVariant ApiServicesModel::data(const QModelIndex &index, int role) const
     case OrderRole: {
         if (serviceType == serviceType::amneziaPremium) {
             return 0;
-        } else if (serviceType == serviceType::amneziaFree) {
+        } else if (serviceType == serviceType::amneziaTrial) {
             return 1;
+        } else if (serviceType == serviceType::amneziaFree) {
+            return 2;
         }
     }
     }

client/ui/models/protocols/awgConfigModel.cpp

@@ -141,10 +141,12 @@ void AwgConfigModel::updateModel(const QJsonObject &config)
             serverProtocolConfig.value(config_key::initPacketJunkSize).toString(protocols::awg::defaultInitPacketJunkSize);
     m_serverProtocolConfig[config_key::responsePacketJunkSize] =
             serverProtocolConfig.value(config_key::responsePacketJunkSize).toString(protocols::awg::defaultResponsePacketJunkSize);
-    m_serverProtocolConfig[config_key::cookieReplyPacketJunkSize] =
-            serverProtocolConfig.value(config_key::cookieReplyPacketJunkSize).toString(protocols::awg::defaultCookieReplyPacketJunkSize);
-    m_serverProtocolConfig[config_key::transportPacketJunkSize] =
-            serverProtocolConfig.value(config_key::transportPacketJunkSize).toString(protocols::awg::defaultTransportPacketJunkSize);
+    if (protocolVersion == protocols::awg::awgV2) {
+        m_serverProtocolConfig[config_key::cookieReplyPacketJunkSize] =
+                serverProtocolConfig.value(config_key::cookieReplyPacketJunkSize).toString(protocols::awg::defaultCookieReplyPacketJunkSize);
+        m_serverProtocolConfig[config_key::transportPacketJunkSize] =
+                serverProtocolConfig.value(config_key::transportPacketJunkSize).toString(protocols::awg::defaultTransportPacketJunkSize);
+    }
     m_serverProtocolConfig[config_key::initPacketMagicHeader] =
             serverProtocolConfig.value(config_key::initPacketMagicHeader).toString(protocols::awg::defaultInitPacketMagicHeader);
     m_serverProtocolConfig[config_key::responsePacketMagicHeader] =

client/ui/models/servers_model.cpp

@@ -179,6 +179,20 @@ QVariant ServersModel::data(const QModelIndex &index, int role) const
     case AdEndpointRole: {
         return apiConfig.value(apiDefs::key::serviceInfo).toObject().value(apiDefs::key::adEndpoint).toString();
     }
+    case IsSubscriptionExpiredRole: {
+        if (configVersion != apiDefs::ConfigSource::AmneziaGateway) return false;
+        QString endDate = apiConfig.value(apiDefs::key::subscriptionEndDate).toString();
+        if (endDate.isEmpty()) return false;
+        return apiUtils::isSubscriptionExpired(endDate);
+    }
+    case IsSubscriptionExpiringSoonRole: {
+        if (configVersion != apiDefs::ConfigSource::AmneziaGateway) return false;
+        QString endDate = apiConfig.value(apiDefs::key::subscriptionEndDate).toString();
+        if (endDate.isEmpty()) return false;
+        if (apiUtils::isSubscriptionExpired(endDate)) return false;
+        QDateTime endDateTime = QDateTime::fromString(endDate, Qt::ISODateWithMs);
+        return endDateTime <= QDateTime::currentDateTimeUtc().addDays(10);
+    }
     }
 
     return QVariant();
@@ -443,6 +457,9 @@ QHash<int, QByteArray> ServersModel::roleNames() const
     roles[AdDescriptionRole] = "adDescription";
     roles[AdEndpointRole] = "adEndpoint";
 
+    roles[IsSubscriptionExpiredRole] = "isSubscriptionExpired";
+    roles[IsSubscriptionExpiringSoonRole] = "isSubscriptionExpiringSoon";
+
     return roles;
 }
 

client/ui/models/servers_model.h

@@ -52,6 +52,9 @@ public:
         AdDescriptionRole,
         AdEndpointRole,
 
+        IsSubscriptionExpiredRole,
+        IsSubscriptionExpiringSoonRole,
+
         HasAmneziaDns
     };
 

client/ui/qml/Components/GamepadLoader.qml

@@ -0,0 +1,38 @@
+import QtQuick
+import QtGamepadLegacy
+
+Item {
+    id: root
+    
+    property alias gamepad: gamepad
+    property alias gamepadKeyNav: gamepadKeyNav
+    
+    Gamepad {
+        id: gamepad
+        deviceId: GamepadManager.connectedGamepads.length > 0 ? GamepadManager.connectedGamepads[0] : -1
+
+        onButtonStartChanged: {
+            if (buttonStart) {
+                ServersModel.setProcessedServerIndex(ServersModel.defaultIndex)
+                ConnectionController.connectButtonClicked()
+            }
+        }
+    }
+
+    GamepadKeyNavigation {
+        id: gamepadKeyNav
+        gamepad: gamepad
+        active: true
+    }
+
+    Connections {
+        target: GamepadManager
+        function onConnectedGamepadsChanged() {
+            if (GamepadManager.connectedGamepads.length > 0) {
+                gamepad.deviceId = GamepadManager.connectedGamepads[0]
+            } else {
+                gamepad.deviceId = -1
+            }
+        }
+    }
+}

client/ui/qml/Components/ServersListView.qml

@@ -126,6 +126,18 @@ ListViewType {
                 }
             }
 
+            CaptionTextType {
+                visible: isServerFromGatewayApi && (isSubscriptionExpired || isSubscriptionExpiringSoon)
+
+                Layout.fillWidth: true
+                Layout.leftMargin: 64
+                Layout.bottomMargin: 8
+
+                text: isSubscriptionExpired ? qsTr("Subscription expired. Please renew.") : qsTr("Subscription expiring soon.")
+                color: isSubscriptionExpired ? AmneziaStyle.color.vibrantRed : AmneziaStyle.color.goldenApricot
+                wrapMode: Text.WordWrap
+            }
+
             DividerType {
                 Layout.fillWidth: true
                 Layout.leftMargin: 0

client/ui/qml/Components/SubscriptionExpiredDrawer.qml

@@ -0,0 +1,93 @@
+pragma ComponentBehavior: Bound
+
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+import PageEnum 1.0
+import Style 1.0
+
+import "../Controls2"
+import "../Controls2/TextTypes"
+
+DrawerType2 {
+    id: root
+
+    expandedStateContent: ColumnLayout {
+        id: content
+
+        anchors.top: parent.top
+        anchors.left: parent.left
+        anchors.right: parent.right
+
+        spacing: 0
+
+        onImplicitHeightChanged: {
+            root.expandedHeight = content.implicitHeight + 32 + SettingsController.safeAreaBottomMargin
+        }
+
+        Item {
+            Layout.fillWidth: true
+            Layout.topMargin: 24
+            Layout.rightMargin: 16
+            Layout.leftMargin: 16
+            implicitHeight: titleText.implicitHeight
+
+            Header2TextType {
+                id: titleText
+                anchors.left: parent.left
+                anchors.right: parent.right
+
+                text: qsTr("Amnezia Premium subscription has expired")
+                horizontalAlignment: Text.AlignLeft
+            }
+        }
+
+        ParagraphTextType {
+            Layout.fillWidth: true
+            Layout.topMargin: 8
+            Layout.rightMargin: 16
+            Layout.leftMargin: 16
+
+            text: qsTr("Renew your subscription to continue using VPN")
+            horizontalAlignment: Text.AlignLeft
+        }
+
+        BasicButtonType {
+            Layout.fillWidth: true
+            Layout.topMargin: 16
+            Layout.rightMargin: 16
+            Layout.leftMargin: 16
+
+            text: qsTr("Renew")
+
+            defaultColor: AmneziaStyle.color.paleGray
+            hoveredColor: AmneziaStyle.color.lightGray
+            pressedColor: AmneziaStyle.color.mutedGray
+            textColor: AmneziaStyle.color.midnightBlack
+
+            clickedFunc: function() {
+                ApiSettingsController.getRenewalLink()
+            }
+        }
+
+        BasicButtonType {
+            Layout.alignment: Qt.AlignHCenter
+            Layout.topMargin: 8
+            Layout.bottomMargin: 8
+
+            implicitHeight: 25
+
+            defaultColor: AmneziaStyle.color.transparent
+            hoveredColor: AmneziaStyle.color.translucentWhite
+            pressedColor: AmneziaStyle.color.sheerWhite
+            textColor: AmneziaStyle.color.goldenApricot
+
+            text: qsTr("Support")
+
+            clickedFunc: function() {
+                root.closeTriggered()
+                PageController.goToPage(PageEnum.PageSettingsApiSupport)
+            }
+        }
+    }
+}

client/ui/qml/Controls2/BasicButtonType.qml

@@ -111,11 +111,11 @@ Button {
                 color: {
                     if (root.enabled) {
                         if (root.pressed) {
-                            return pressedColor
+                            return root.pressedColor
                         }
-                        return root.hovered ? hoveredColor : defaultColor
+                        return root.hovered ? root.hoveredColor : root.defaultColor
                     } else {
-                        return disabledColor
+                        return root.disabledColor
                     }
                 }
 

client/ui/qml/Controls2/DrawerType2.qml

@@ -49,6 +49,55 @@ Item {
         return drawerContent.state === stateName
     }
 
+    function isDrawerType2(obj) {
+        return obj && typeof obj.drawerExpandedStateName !== "undefined" && 
+               typeof obj.drawerCollapsedStateName !== "undefined"
+    }
+
+    function isDescendantOfDrawer(obj) {
+        var current = obj
+        while (current && current !== root.parent) {
+            if (isDrawerType2(current)) {
+                return true
+            }
+            current = current.parent
+        }
+        return false
+    }
+
+    function findComponent(obj, typeCtor) {
+        if (!obj)
+            return null
+
+        if (isDrawerType2(obj) || isDescendantOfDrawer(obj))
+            return null
+
+        if (obj instanceof typeCtor)
+            return obj
+
+        if (obj.children && obj.children.length > 0) {
+            for (var i = 0; i < obj.children.length; i++) {
+                var matchingChildren = findComponent(obj.children[i], typeCtor)
+                if (matchingChildren) return matchingChildren
+            }
+        }
+
+        if (obj.contentItem) {
+            var matchingContentItem = findComponent(obj.contentItem, typeCtor)
+            if (matchingContentItem) return matchingContentItem
+        }
+
+        return null
+    }
+
+    function setParentInteractive(value) {
+        var flickableType = findComponent(root.parent, Flickable)
+        var listViewType = findComponent(root.parent, ListView)
+
+        if (flickableType) flickableType.interactive = value
+        if (listViewType) listViewType.interactive = value
+    }
+
     Connections {
         target: Qt.application
 
@@ -93,6 +142,8 @@ Item {
 
             aboutToHide()
 
+            setParentInteractive(true)
+
             closed()
         }
 
@@ -118,6 +169,8 @@ Item {
 
             root.aboutToShow()
 
+            setParentInteractive(false)
+
             root.opened()
         }
 

client/ui/qml/Controls2/LabelWithButtonType.qml

@@ -1,6 +1,7 @@
 import QtQuick
 import QtQuick.Controls
 import QtQuick.Layouts
+import Qt5Compat.GraphicalEffects
 
 import Style 1.0
 
@@ -37,6 +38,7 @@ Item {
     property int borderFocusedWidth: 1
 
     property string rightImageColor: AmneziaStyle.color.paleGray
+    property string leftImageColor: ""
 
     property bool descriptionOnTop: false
     property bool hideDescription: true
@@ -71,6 +73,8 @@ Item {
     implicitHeight: content.implicitHeight + content.anchors.leftMargin + content.anchors.rightMargin
 
     MouseArea {
+        id: mouseArea
+
         anchors.fill: parent
         cursorShape: Qt.PointingHandCursor
         hoverEnabled: root.enabled
@@ -138,6 +142,14 @@ Item {
 
                 anchors.centerIn: parent
                 source: leftImageSource
+                visible: leftImageColor === ""
+            }
+
+            ColorOverlay {
+                anchors.fill: leftImage
+                source: leftImage
+                color: leftImageColor
+                visible: leftImageColor !== ""
             }
         }
 
@@ -296,13 +308,13 @@ Item {
     }
 
     Keys.onEnterPressed: {
-        if (clickedFunction && typeof clickedFunction === "function") {
+        if (!rightImageSource && clickedFunction && typeof clickedFunction === "function") {
             clickedFunction()
         }
     }
 
     Keys.onReturnPressed: {
-        if (clickedFunction && typeof clickedFunction === "function") {
+        if (!rightImageSource && clickedFunction && typeof clickedFunction === "function") {
             clickedFunction()
         }
     }

client/ui/qml/Controls2/PageType.qml

@@ -8,9 +8,10 @@ Item {
     id: root
 
     property StackView stackView: StackView.view
+    property bool enableTimer: true
 
     onVisibleChanged: {
-        if (visible) {
+        if (visible && enableTimer) {
             timer.start()
         }
     }
@@ -24,6 +25,6 @@ Item {
             FocusController.setFocusOnDefaultItem()
         }
         repeat: false // Stop the timer after one trigger
-        running: true // Start the timer
+        running: enableTimer // Start the timer
     }
 }

client/ui/qml/Controls2/TextFieldWithHeaderType.qml

@@ -19,9 +19,6 @@ Item {
 
     property string buttonText
     property string buttonImageSource
-    property string buttonImageColor: AmneziaStyle.color.midnightBlack
-    property string buttonBackgroundColor: AmneziaStyle.color.paleGray
-    property string buttonHoveredColor: AmneziaStyle.color.lightGray
     property var clickedFunc
 
     property alias textField: textField
@@ -70,7 +67,7 @@ Item {
             border.width: 1
 
             Behavior on border.color {
-                PropertyAnimation { duration: 100 }
+                PropertyAnimation { duration: 200 }
             }
 
             RowLayout {
@@ -124,7 +121,7 @@ Item {
 
                         background: Rectangle {
                             anchors.fill: parent
-                            color: root.enabled ? root.backgroundColor : root.backgroundDisabledColor
+                            color: root.backgroundDisabledColor
                         }
 
                         onTextChanged: {
@@ -189,14 +186,6 @@ Item {
         focusPolicy: Qt.NoFocus
         text: root.buttonText
         leftImageSource: root.buttonImageSource
-        leftImageColor: root.buttonImageColor
-
-        defaultColor: root.buttonBackgroundColor
-        hoveredColor: root.buttonHoveredColor
-        pressedColor: root.buttonHoveredColor
-        disabledColor: AmneziaStyle.color.transparent
-
-        borderWidth: 0
 
         anchors.top: content.top
         anchors.bottom: content.bottom
@@ -204,7 +193,7 @@ Item {
 
         height: content.implicitHeight
         width: content.implicitHeight
-        squareLeftSide: false
+        squareLeftSide: true
 
         clickedFunc: function() {
             if (root.clickedFunc && typeof root.clickedFunc === "function") {

client/ui/qml/Pages2/PageProtocolAwgClientSettings.qml

@@ -330,6 +330,8 @@ PageType {
             AwgTextField {
                 id: cookieReplyPacketJunkSizeTextField
 
+                visible: isAwg2
+
                 Layout.leftMargin: 16
                 Layout.rightMargin: 16
 
@@ -342,6 +344,8 @@ PageType {
             AwgTextField {
                 id: transportPacketJunkSizeTextField
 
+                visible: isAwg2
+
                 Layout.leftMargin: 16
                 Layout.rightMargin: 16