Open docs url according for Ukrainian language

change pretty product name to product type for api payload

client/CMakeLists.txt

@@ -127,7 +127,6 @@ set(HEADERS ${HEADERS}
     ${CMAKE_CURRENT_LIST_DIR}/core/controllers/vpnConfigurationController.h
     ${CMAKE_CURRENT_LIST_DIR}/protocols/protocols_defs.h
     ${CMAKE_CURRENT_LIST_DIR}/protocols/qml_register_protocols.h
-    ${CMAKE_CURRENT_LIST_DIR}/ui/notificationhandler.h
     ${CMAKE_CURRENT_LIST_DIR}/ui/pages.h
     ${CMAKE_CURRENT_LIST_DIR}/ui/property_helper.h
     ${CMAKE_CURRENT_LIST_DIR}/ui/qautostart.h
@@ -152,11 +151,16 @@ include_directories(mozilla/models)
 
 if(NOT IOS)
     set(HEADERS ${HEADERS}
-        ${CMAKE_CURRENT_LIST_DIR}/platforms/ios/MobileUtils.h
         ${CMAKE_CURRENT_LIST_DIR}/platforms/ios/QRCodeReaderBase.h
     )
 endif()
 
+if(NOT ANDROID)
+    set(HEADERS ${HEADERS}
+        ${CMAKE_CURRENT_LIST_DIR}/ui/notificationhandler.h
+    )
+endif()
+
 set(SOURCES ${SOURCES}
     ${CMAKE_CURRENT_LIST_DIR}/migrations.cpp
     ${CMAKE_CURRENT_LIST_DIR}/amnezia_application.cpp
@@ -168,7 +172,6 @@ set(SOURCES ${SOURCES}
     ${CMAKE_CURRENT_LIST_DIR}/core/controllers/serverController.cpp
     ${CMAKE_CURRENT_LIST_DIR}/core/controllers/vpnConfigurationController.cpp
     ${CMAKE_CURRENT_LIST_DIR}/protocols/protocols_defs.cpp
-    ${CMAKE_CURRENT_LIST_DIR}/ui/notificationhandler.cpp
     ${CMAKE_CURRENT_LIST_DIR}/ui/qautostart.cpp
     ${CMAKE_CURRENT_LIST_DIR}/protocols/vpnprotocol.cpp
     ${CMAKE_CURRENT_LIST_DIR}/core/sshclient.cpp
@@ -189,11 +192,16 @@ endif()
 
 if(NOT IOS)
     set(SOURCES ${SOURCES}
-        ${CMAKE_CURRENT_LIST_DIR}/platforms/ios/MobileUtils.cpp
         ${CMAKE_CURRENT_LIST_DIR}/platforms/ios/QRCodeReaderBase.cpp
     )
 endif()
 
+if(NOT ANDROID)
+    set(SOURCES ${SOURCES}
+        ${CMAKE_CURRENT_LIST_DIR}/ui/notificationhandler.cpp
+    )
+endif()
+
 file(GLOB COMMON_FILES_H CONFIGURE_DEPENDS ${CMAKE_CURRENT_LIST_DIR}/*.h)
 file(GLOB COMMON_FILES_CPP CONFIGURE_DEPENDS ${CMAKE_CURRENT_LIST_DIR}/*.cpp)
 

client/amnezia_application.cpp

@@ -55,6 +55,7 @@ AmneziaApplication::AmneziaApplication(int &argc, char *argv[], bool allowSecond
 #endif
 
     m_settings = std::shared_ptr<Settings>(new Settings);
+    m_nam = new QNetworkAccessManager(this);
 }
 
 AmneziaApplication::~AmneziaApplication()
@@ -142,6 +143,7 @@ void AmneziaApplication::init()
     connect(m_settings.get(), &Settings::screenshotsEnabledChanged, [](bool enabled) { AmneziaVPN::toggleScreenshots(enabled); });
 #endif
 
+#ifndef Q_OS_ANDROID
     m_notificationHandler.reset(NotificationHandler::create(nullptr));
 
     connect(m_vpnConnection.get(), &VpnConnection::connectionStateChanged, m_notificationHandler.get(),
@@ -149,10 +151,11 @@ void AmneziaApplication::init()
 
     connect(m_notificationHandler.get(), &NotificationHandler::raiseRequested, m_pageController.get(), &PageController::raiseMainWindow);
     connect(m_notificationHandler.get(), &NotificationHandler::connectRequested, m_connectionController.get(),
-            &ConnectionController::openConnection);
+            static_cast<void (ConnectionController::*)()>(&ConnectionController::openConnection));
     connect(m_notificationHandler.get(), &NotificationHandler::disconnectRequested, m_connectionController.get(),
             &ConnectionController::closeConnection);
     connect(this, &AmneziaApplication::translationsUpdated, m_notificationHandler.get(), &NotificationHandler::onTranslationsUpdated);
+#endif
 
     m_engine->load(url);
     m_systemController->setQmlRoot(m_engine->rootObjects().value(0));
@@ -360,16 +363,22 @@ void AmneziaApplication::initControllers()
             new ConnectionController(m_serversModel, m_containersModel, m_clientManagementModel, m_vpnConnection, m_settings));
     m_engine->rootContext()->setContextProperty("ConnectionController", m_connectionController.get());
 
-    connect(m_connectionController.get(), &ConnectionController::connectionErrorOccurred, this, [this](const QString &errorMessage) {
+    connect(m_connectionController.get(), qOverload<const QString &>(&ConnectionController::connectionErrorOccurred), this, [this](const QString &errorMessage) {
         emit m_pageController->showErrorMessage(errorMessage);
         emit m_vpnConnection->connectionStateChanged(Vpn::ConnectionState::Disconnected);
     });
+
+    connect(m_connectionController.get(), qOverload<ErrorCode>(&ConnectionController::connectionErrorOccurred), this, [this](ErrorCode errorCode) {
+      emit m_pageController->showErrorMessage(errorCode);
+      emit m_vpnConnection->connectionStateChanged(Vpn::ConnectionState::Disconnected);
+    });
+
     connect(m_connectionController.get(), &ConnectionController::connectButtonClicked, m_connectionController.get(),
             &ConnectionController::toggleConnection, Qt::QueuedConnection);
 
     connect(this, &AmneziaApplication::translationsUpdated, m_connectionController.get(), &ConnectionController::onTranslationsUpdated);
 
-    m_pageController.reset(new PageController(m_serversModel, m_settings));
+    m_pageController.reset(new PageController(m_serversModel, m_settings, m_languageModel));
     m_engine->rootContext()->setContextProperty("PageController", m_pageController.get());
 
     m_installController.reset(new InstallController(m_serversModel, m_containersModel, m_protocolsModel, m_clientManagementModel, m_settings));

client/amnezia_application.h

@@ -2,6 +2,7 @@
 #define AMNEZIA_APPLICATION_H
 
 #include <QCommandLineParser>
+#include <QNetworkAccessManager>
 #include <QQmlApplicationEngine>
 #include <QQmlContext>
 #include <QThread>
@@ -26,7 +27,9 @@
 #include "ui/models/containers_model.h"
 #include "ui/models/languageModel.h"
 #include "ui/models/protocols/cloakConfigModel.h"
-#include "ui/notificationhandler.h"
+#ifndef Q_OS_ANDROID
+    #include "ui/notificationhandler.h"
+#endif
 #ifdef Q_OS_WINDOWS
     #include "ui/models/protocols/ikev2ConfigModel.h"
 #endif
@@ -73,6 +76,7 @@ public:
     bool parseCommands();
 
     QQmlApplicationEngine *qmlEngine() const;
+    QNetworkAccessManager *manager() { return m_nam; }
 
 signals:
     void translationsUpdated();
@@ -113,7 +117,9 @@ private:
 
     QSharedPointer<VpnConnection> m_vpnConnection;
     QThread m_vpnConnectionThread;
+#ifndef Q_OS_ANDROID
     QScopedPointer<NotificationHandler> m_notificationHandler;
+#endif
 
     QScopedPointer<ConnectionController> m_connectionController;
     QScopedPointer<PageController> m_pageController;
@@ -124,6 +130,8 @@ private:
     QScopedPointer<SitesController> m_sitesController;
     QScopedPointer<SystemController> m_systemController;
     QScopedPointer<AppSplitTunnelingController> m_appSplitTunnelingController;
+
+    QNetworkAccessManager *m_nam;
 };
 
 #endif // AMNEZIA_APPLICATION_H

client/android/cloak/src/main/kotlin/Cloak.kt

@@ -3,9 +3,6 @@ package org.amnezia.vpn.protocol.cloak
 import android.util.Base64
 import net.openvpn.ovpn3.ClientAPI_Config
 import org.amnezia.vpn.protocol.openvpn.OpenVpn
-import org.amnezia.vpn.protocol.openvpn.OpenVpnConfig
-import org.amnezia.vpn.util.net.InetNetwork
-import org.amnezia.vpn.util.net.parseInetAddress
 import org.json.JSONObject
 
 /**
@@ -54,13 +51,6 @@ class Cloak : OpenVpn() {
         return openVpnConfig
     }
 
-    override fun configPluggableTransport(configBuilder: OpenVpnConfig.Builder, config: JSONObject) {
-        // exclude remote server ip from vpn routes
-        val remoteServer = config.getString("hostName")
-        val remoteServerAddress = InetNetwork(parseInetAddress(remoteServer))
-        configBuilder.excludeRoute(remoteServerAddress)
-    }
-
     private fun checkCloakJson(cloakConfigJson: JSONObject): JSONObject {
         cloakConfigJson.put("NumConn", 1)
         cloakConfigJson.put("ProxyMethod", "openvpn")

client/android/openvpn/src/main/kotlin/org/amnezia/vpn/protocol/openvpn/OpenVpn.kt

@@ -13,7 +13,9 @@ import org.amnezia.vpn.protocol.ProtocolState
 import org.amnezia.vpn.protocol.ProtocolState.DISCONNECTED
 import org.amnezia.vpn.protocol.Statistics
 import org.amnezia.vpn.protocol.VpnStartException
+import org.amnezia.vpn.util.net.InetNetwork
 import org.amnezia.vpn.util.net.getLocalNetworks
+import org.amnezia.vpn.util.net.parseInetAddress
 import org.json.JSONObject
 
 /**
@@ -77,6 +79,12 @@ open class OpenVpn : Protocol() {
                 if (evalConfig.error) {
                     throw BadConfigException("OpenVPN config parse error: ${evalConfig.message}")
                 }
+
+                // exclude remote server ip from vpn routes
+                val remoteServer = config.getString("hostName")
+                val remoteServerAddress = InetNetwork(parseInetAddress(remoteServer))
+                configBuilder.excludeRoute(remoteServerAddress)
+
                 configPluggableTransport(configBuilder, config)
                 configBuilder.configSplitTunneling(config)
                 configBuilder.configAppSplitTunneling(config)

client/android/protocolApi/src/main/kotlin/Protocol.kt

@@ -105,15 +105,17 @@ abstract class Protocol {
             vpnBuilder.addSearchDomain(it)
         }
 
-        for (addr in config.routes) {
-            Log.d(TAG, "addRoute: $addr")
-            vpnBuilder.addRoute(addr)
-        }
-
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
-            for (addr in config.excludedRoutes) {
-                Log.d(TAG, "excludeRoute: $addr")
-                vpnBuilder.excludeRoute(addr)
+        for ((inetNetwork, include) in config.routes) {
+            if (include) {
+                Log.d(TAG, "addRoute: $inetNetwork")
+                vpnBuilder.addRoute(inetNetwork)
+            } else {
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+                    Log.d(TAG, "excludeRoute: $inetNetwork")
+                    vpnBuilder.excludeRoute(inetNetwork)
+                } else {
+                    Log.e(TAG, "Trying to exclude route $inetNetwork on old Android")
+                }
             }
         }
 

client/android/protocolApi/src/main/kotlin/ProtocolConfig.kt

@@ -12,8 +12,7 @@ open class ProtocolConfig protected constructor(
     val addresses: Set<InetNetwork>,
     val dnsServers: Set<InetAddress>,
     val searchDomain: String?,
-    val routes: Set<InetNetwork>,
-    val excludedRoutes: Set<InetNetwork>,
+    val routes: Set<Route>,
     val includedAddresses: Set<InetNetwork>,
     val excludedAddresses: Set<InetNetwork>,
     val includedApplications: Set<String>,
@@ -29,7 +28,6 @@ open class ProtocolConfig protected constructor(
         builder.dnsServers,
         builder.searchDomain,
         builder.routes,
-        builder.excludedRoutes,
         builder.includedAddresses,
         builder.excludedAddresses,
         builder.includedApplications,
@@ -43,8 +41,7 @@ open class ProtocolConfig protected constructor(
     open class Builder(blockingMode: Boolean) {
         internal val addresses: MutableSet<InetNetwork> = hashSetOf()
         internal val dnsServers: MutableSet<InetAddress> = hashSetOf()
-        internal val routes: MutableSet<InetNetwork> = hashSetOf()
-        internal val excludedRoutes: MutableSet<InetNetwork> = hashSetOf()
+        internal val routes: MutableSet<Route> = mutableSetOf()
         internal val includedAddresses: MutableSet<InetNetwork> = hashSetOf()
         internal val excludedAddresses: MutableSet<InetNetwork> = hashSetOf()
         internal val includedApplications: MutableSet<String> = hashSetOf()
@@ -77,13 +74,21 @@ open class ProtocolConfig protected constructor(
 
         fun setSearchDomain(domain: String) = apply { this.searchDomain = domain }
 
-        fun addRoute(route: InetNetwork) = apply { this.routes += route }
-        fun addRoutes(routes: Collection<InetNetwork>) = apply { this.routes += routes }
-        fun removeRoute(route: InetNetwork) = apply { this.routes.remove(route) }
+        fun addRoute(route: InetNetwork) = apply { this.routes += Route(route, true) }
+        fun addRoutes(routes: Collection<InetNetwork>) = apply { this.routes += routes.map { Route(it, true) } }
+
+        fun excludeRoute(route: InetNetwork) = apply { this.routes += Route(route, false) }
+        fun excludeRoutes(routes: Collection<InetNetwork>) = apply { this.routes += routes.map { Route(it, false) } }
+
+        fun removeRoute(route: InetNetwork) = apply { this.routes.removeIf { it.inetNetwork == route } }
         fun clearRoutes() = apply { this.routes.clear() }
 
-        fun excludeRoute(route: InetNetwork) = apply { this.excludedRoutes += route }
-        fun excludeRoutes(routes: Collection<InetNetwork>) = apply { this.excludedRoutes += routes }
+        fun prependRoutes(block: Builder.() -> Unit) = apply {
+            val savedRoutes = mutableListOf<Route>().apply { addAll(routes) }
+            routes.clear()
+            block()
+            routes.addAll(savedRoutes)
+        }
 
         fun includeAddress(addr: InetNetwork) = apply { this.includedAddresses += addr }
         fun includeAddresses(addresses: Collection<InetNetwork>) = apply { this.includedAddresses += addresses }
@@ -117,37 +122,46 @@ open class ProtocolConfig protected constructor(
                 // remove default routes, if any
                 removeRoute(InetNetwork("0.0.0.0", 0))
                 removeRoute(InetNetwork("::", 0))
-                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
-                    // for older versions of Android, add the default route to the excluded routes
-                    // to correctly build the excluded subnets list later
-                    excludeRoute(InetNetwork("0.0.0.0", 0))
+                removeRoute(InetNetwork("2000::", 3))
+                prependRoutes {
+                    addRoutes(includedAddresses)
                 }
-                addRoutes(includedAddresses)
             } else if (excludedAddresses.isNotEmpty()) {
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
-                    // default routes are required for split tunneling in newer versions of Android
+                prependRoutes {
                     addRoute(InetNetwork("0.0.0.0", 0))
-                    addRoute(InetNetwork("::", 0))
+                    addRoute(InetNetwork("2000::", 3))
+                    excludeRoutes(excludedAddresses)
                 }
-                excludeRoutes(excludedAddresses)
             }
         }
 
-        private fun processExcludedRoutes() {
-            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU && excludedRoutes.isNotEmpty()) {
-                // todo: rewrite, taking into account the current routes
-                // for older versions of Android, build a list of subnets without excluded routes
-                // and add them to routes
-                val ipRangeSet = IpRangeSet()
-                ipRangeSet.remove(IpRange("127.0.0.0", 8))
-                excludedRoutes.forEach {
-                    ipRangeSet.remove(IpRange(it))
+        private fun processRoutes() {
+            // replace ::/0 as it may cause LAN connection issues
+            val ipv6DefaultRoute = InetNetwork("::", 0)
+            if (routes.removeIf { it.include && it.inetNetwork == ipv6DefaultRoute }) {
+                prependRoutes {
+                    addRoute(InetNetwork("2000::", 3))
                 }
-                // remove default routes, if any
-                removeRoute(InetNetwork("0.0.0.0", 0))
-                removeRoute(InetNetwork("::", 0))
+            }
+            // for older versions of Android, build a list of subnets without excluded routes
+            // and add them to routes
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU && routes.any { !it.include }) {
+                val ipRangeSet = IpRangeSet()
+                routes.forEach {
+                    if (it.include) ipRangeSet.add(IpRange(it.inetNetwork))
+                    else ipRangeSet.remove(IpRange(it.inetNetwork))
+                }
+                ipRangeSet.remove(IpRange("127.0.0.0", 8))
+                ipRangeSet.remove(IpRange("::1", 128))
+                routes.clear()
                 ipRangeSet.subnets().forEach(::addRoute)
-                addRoute(InetNetwork("2000::", 3))
+            }
+            // filter ipv4 and ipv6 loopback addresses
+            val ipv6Loopback = InetNetwork("::1", 128)
+            routes.removeIf {
+                it.include &&
+                    if (it.inetNetwork.isIpv4) it.inetNetwork.address.address[0] == 127.toByte()
+                    else it.inetNetwork == ipv6Loopback
             }
         }
 
@@ -165,7 +179,7 @@ open class ProtocolConfig protected constructor(
 
         protected fun configBuild() {
             processSplitTunneling()
-            processExcludedRoutes()
+            processRoutes()
             validate()
         }
 
@@ -177,3 +191,5 @@ open class ProtocolConfig protected constructor(
             Builder(blockingMode).apply(block).build()
     }
 }
+
+data class Route(val inetNetwork: InetNetwork, val include: Boolean)

client/android/res/values-ru/strings.xml

@@ -1,12 +1,26 @@
 <?xml version='1.0' encoding='utf-8'?>
 <resources>
-    <string name="connecting">Подключение</string>
-    <string name="disconnecting">Отключение</string>
-    <string name="cancel">Отмена</string>
+    <string name="disconnected">Не подключено</string>
+    <string name="connected">Подключено</string>
+    <string name="connecting">Подключение…</string>
+    <string name="disconnecting">Отключение…</string>
+    <string name="reconnecting">Переподключение…</string>
+    <string name="connect">Подключиться</string>
+    <string name="disconnect">Отключиться</string>
     <string name="ok">ОК</string>
+    <string name="cancel">Отмена</string>
+    <string name="yes">Да</string>
+    <string name="no">Нет</string>
+
     <string name="vpnGranted">VPN-подключение разрешено</string>
-    <string name="vpnDenied">VPN-подключение запрещено</string>
     <string name="vpnSetupFailed">Ошибка настройки VPN</string>
     <string name="vpnSetupFailedMessage">Чтобы подключиться к AmneziaVPN необходимо:\n\n- Разрешить приложению подключаться к сети VPN\n- Отключить функцию \"Постоянная VPN\" для всех остальных VPN-приложений в системных настройках VPN</string>
     <string name="openVpnSettings">Открыть настройки VPN</string>
+
+    <string name="notificationChannelDescription">Уведомления сервиса AmneziaVPN</string>
+    <string name="notificationDialogTitle">Сервис AmneziaVPN</string>
+    <string name="notificationDialogMessage">Показывать статус VPN в строке состояния?</string>
+    <string name="notificationSettingsDialogTitle">Настройки уведомлений</string>
+    <string name="notificationSettingsDialogMessage">Для показа уведомлений необходимо включить уведомления в системных настройках</string>
+    <string name="openNotificationSettings">Открыть настройки уведомлений</string>
 </resources>

client/android/res/values/strings.xml

@@ -1,12 +1,26 @@
 <?xml version='1.0' encoding='utf-8'?>
 <resources>
-    <string name="connecting">Connecting</string>
-    <string name="disconnecting">Disconnecting</string>
-    <string name="cancel">Cancel</string>
+    <string name="disconnected">Not connected</string>
+    <string name="connected">Connected</string>
+    <string name="connecting">Connecting…</string>
+    <string name="disconnecting">Disconnecting…</string>
+    <string name="reconnecting">Reconnecting…</string>
+    <string name="connect">Connect</string>
+    <string name="disconnect">Disconnect</string>
     <string name="ok">OK</string>
+    <string name="cancel">Cancel</string>
+    <string name="yes">Yes</string>
+    <string name="no">No</string>
+
     <string name="vpnGranted">VPN permission granted</string>
-    <string name="vpnDenied">VPN permission denied</string>
     <string name="vpnSetupFailed">VPN setup error</string>
     <string name="vpnSetupFailedMessage">To connect to AmneziaVPN, please do the following:\n\n- Allow the app to set up a VPN connection\n- Disable Always-on VPN for any other VPN app in the VPN system settings</string>
     <string name="openVpnSettings">Open VPN settings</string>
+
+    <string name="notificationChannelDescription">AmneziaVPN service notification</string>
+    <string name="notificationDialogTitle">AmneziaVPN service</string>
+    <string name="notificationDialogMessage">Show the VPN state in the status bar?</string>
+    <string name="notificationSettingsDialogTitle">Notification settings</string>
+    <string name="notificationSettingsDialogMessage">To show notifications, you must enable notifications in the system settings</string>
+    <string name="openNotificationSettings">Open notification settings</string>
 </resources>

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

@@ -1,6 +1,9 @@
 package org.amnezia.vpn
 
+import android.Manifest
 import android.app.AlertDialog
+import android.app.NotificationManager
+import android.content.BroadcastReceiver
 import android.content.ComponentName
 import android.content.Intent
 import android.content.Intent.EXTRA_MIME_TYPES
@@ -8,8 +11,8 @@ import android.content.Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY
 import android.content.ServiceConnection
 import android.content.pm.PackageManager
 import android.graphics.Bitmap
-import android.net.Uri
 import android.net.VpnService
+import android.os.Build
 import android.os.Bundle
 import android.os.Handler
 import android.os.IBinder
@@ -21,6 +24,7 @@ import android.view.WindowManager.LayoutParams
 import android.webkit.MimeTypeMap
 import android.widget.Toast
 import androidx.annotation.MainThread
+import androidx.annotation.RequiresApi
 import androidx.core.content.ContextCompat
 import java.io.IOException
 import kotlin.LazyThreadSafetyMode.NONE
@@ -38,6 +42,7 @@ import org.amnezia.vpn.protocol.getStatistics
 import org.amnezia.vpn.protocol.getStatus
 import org.amnezia.vpn.qt.QtAndroidController
 import org.amnezia.vpn.util.Log
+import org.amnezia.vpn.util.Prefs
 import org.qtproject.qt.android.bindings.QtActivity
 
 private const val TAG = "AmneziaActivity"
@@ -46,6 +51,9 @@ const val ACTIVITY_MESSENGER_NAME = "Activity"
 private const val CHECK_VPN_PERMISSION_ACTION_CODE = 1
 private const val CREATE_FILE_ACTION_CODE = 2
 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"
 
 class AmneziaActivity : QtActivity() {
 
@@ -54,8 +62,11 @@ class AmneziaActivity : QtActivity() {
     private var isWaitingStatus = true
     private var isServiceConnected = false
     private var isInBoundState = false
+    private var notificationStateReceiver: BroadcastReceiver? = null
     private lateinit var vpnServiceMessenger: IpcMessenger
-    private var tmpFileContentToSave: String = ""
+
+    private val actionResultHandlers = mutableMapOf<Int, ActivityResultHandler>()
+    private val permissionRequestHandlers = mutableMapOf<Int, PermissionRequestHandler>()
 
     private val vpnServiceEventHandler: Handler by lazy(NONE) {
         object : Handler(Looper.getMainLooper()) {
@@ -135,10 +146,6 @@ class AmneziaActivity : QtActivity() {
         }
     }
 
-    private data class CheckVpnPermissionCallbacks(val onSuccess: () -> Unit, val onFail: () -> Unit)
-
-    private var checkVpnPermissionCallbacks: CheckVpnPermissionCallbacks? = null
-
     /**
      * Activity overloaded methods
      */
@@ -153,9 +160,30 @@ class AmneziaActivity : QtActivity() {
                 doBindService()
             }
         )
+        registerBroadcastReceivers()
         intent?.let(::processIntent)
     }
 
+    private fun registerBroadcastReceivers() {
+        notificationStateReceiver = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
+            registerBroadcastReceiver(
+                arrayOf(
+                    NotificationManager.ACTION_NOTIFICATION_CHANNEL_BLOCK_STATE_CHANGED,
+                    NotificationManager.ACTION_APP_BLOCK_STATE_CHANGED
+                )
+            ) {
+                Log.d(
+                    TAG, "Notification state changed: ${it?.action}, blocked = " +
+                        "${it?.getBooleanExtra(NotificationManager.EXTRA_BLOCKED_STATE, false)}"
+                )
+                mainScope.launch {
+                    qtInitialized.await()
+                    QtAndroidController.onNotificationStateChanged()
+                }
+            }
+        } else null
+    }
+
     override fun onNewIntent(intent: Intent?) {
         super.onNewIntent(intent)
         Log.d(TAG, "onNewIntent: $intent")
@@ -193,50 +221,46 @@ class AmneziaActivity : QtActivity() {
 
     override fun onDestroy() {
         Log.d(TAG, "Destroy Amnezia activity")
+        unregisterBroadcastReceiver(notificationStateReceiver)
+        notificationStateReceiver = null
         mainScope.cancel()
         super.onDestroy()
     }
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        when (requestCode) {
-            CREATE_FILE_ACTION_CODE -> {
-                when (resultCode) {
-                    RESULT_OK -> {
-                        data?.data?.let { uri ->
-                            alterDocument(uri)
-                        }
-                    }
-                }
+        Log.d(TAG, "Process activity result, code: ${actionCodeToString(requestCode)}, " +
+                "resultCode: $resultCode, data: $data")
+        actionResultHandlers[requestCode]?.let { handler ->
+            when (resultCode) {
+                RESULT_OK -> handler.onSuccess(data)
+                else -> handler.onFail(data)
             }
+            handler.onAny(data)
+            actionResultHandlers.remove(requestCode)
+        } ?: super.onActivityResult(requestCode, resultCode, data)
+    }
 
-            OPEN_FILE_ACTION_CODE -> {
-                when (resultCode) {
-                    RESULT_OK -> data?.data?.toString() ?: ""
-                    else -> ""
-                }.let { uri ->
-                    QtAndroidController.onFileOpened(uri)
-                }
+    private fun startActivityForResult(intent: Intent, requestCode: Int, handler: ActivityResultHandler) {
+        actionResultHandlers[requestCode] = handler
+        startActivityForResult(intent, requestCode)
+    }
+
+    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
+        Log.d(TAG, "Process permission result, code: ${actionCodeToString(requestCode)}, " +
+                "permissions: ${permissions.contentToString()}, results: ${grantResults.contentToString()}")
+        permissionRequestHandlers[requestCode]?.let { handler ->
+            if (grantResults.isNotEmpty()) {
+                if (grantResults[0] == PackageManager.PERMISSION_GRANTED) handler.onSuccess()
+                else handler.onFail()
             }
+            handler.onAny()
+            permissionRequestHandlers.remove(requestCode)
+        } ?: super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+    }
 
-            CHECK_VPN_PERMISSION_ACTION_CODE -> {
-                when (resultCode) {
-                    RESULT_OK -> {
-                        Log.d(TAG, "Vpn permission granted")
-                        Toast.makeText(this, resources.getText(R.string.vpnGranted), Toast.LENGTH_LONG).show()
-                        checkVpnPermissionCallbacks?.run { onSuccess() }
-                    }
-
-                    else -> {
-                        Log.w(TAG, "Vpn permission denied, resultCode: $resultCode")
-                        showOnVpnPermissionRejectDialog()
-                        checkVpnPermissionCallbacks?.run { onFail() }
-                    }
-                }
-                checkVpnPermissionCallbacks = null
-            }
-
-            else -> super.onActivityResult(requestCode, resultCode, data)
-        }
+    private fun requestPermission(permission: String, requestCode: Int, handler: PermissionRequestHandler) {
+        permissionRequestHandlers[requestCode] = handler
+        requestPermissions(arrayOf(permission), requestCode)
     }
 
     /**
@@ -268,22 +292,26 @@ class AmneziaActivity : QtActivity() {
     /**
      * Methods of starting and stopping VpnService
      */
-    private fun checkVpnPermissionAndStart(vpnConfig: String) {
-        checkVpnPermission(
-            onSuccess = { startVpn(vpnConfig) },
-            onFail = QtAndroidController::onVpnPermissionRejected
-        )
-    }
-
     @MainThread
-    private fun checkVpnPermission(onSuccess: () -> Unit, onFail: () -> Unit) {
+    private fun checkVpnPermission(onPermissionGranted: () -> Unit) {
         Log.d(TAG, "Check VPN permission")
-        VpnService.prepare(applicationContext)?.let {
-            checkVpnPermissionCallbacks = CheckVpnPermissionCallbacks(onSuccess, onFail)
-            startActivityForResult(it, CHECK_VPN_PERMISSION_ACTION_CODE)
-            return
-        }
-        onSuccess()
+        VpnService.prepare(applicationContext)?.let { intent ->
+            startActivityForResult(intent, CHECK_VPN_PERMISSION_ACTION_CODE, ActivityResultHandler(
+                onSuccess = {
+                    Log.d(TAG, "Vpn permission granted")
+                    Toast.makeText(this@AmneziaActivity, resources.getText(R.string.vpnGranted), Toast.LENGTH_LONG).show()
+                    onPermissionGranted()
+                },
+                onFail = {
+                    Log.w(TAG, "Vpn permission denied")
+                    showOnVpnPermissionRejectDialog()
+                    mainScope.launch {
+                        qtInitialized.await()
+                        QtAndroidController.onVpnPermissionRejected()
+                    }
+                }
+            ))
+        } ?: onPermissionGranted()
     }
 
     private fun showOnVpnPermissionRejectDialog() {
@@ -297,6 +325,44 @@ class AmneziaActivity : QtActivity() {
             .show()
     }
 
+    private fun checkNotificationPermission(onChecked: () -> Unit) {
+        Log.d(TAG, "Check notification permission")
+        if (
+            !isNotificationPermissionGranted() &&
+            !Prefs.load<Boolean>(PREFS_NOTIFICATION_PERMISSION_ASKED)
+        ) {
+            showNotificationPermissionDialog(onChecked)
+        } else {
+            onChecked()
+        }
+    }
+
+    @RequiresApi(Build.VERSION_CODES.TIRAMISU)
+    private fun showNotificationPermissionDialog(onChecked: () -> Unit) {
+        AlertDialog.Builder(this)
+            .setTitle(R.string.notificationDialogTitle)
+            .setMessage(R.string.notificationDialogMessage)
+            .setNegativeButton(R.string.no) { _, _ ->
+                Prefs.save(PREFS_NOTIFICATION_PERMISSION_ASKED, true)
+                onChecked()
+            }
+            .setPositiveButton(R.string.yes) { _, _ ->
+                val saveAsked: () -> Unit = {
+                    Prefs.save(PREFS_NOTIFICATION_PERMISSION_ASKED, true)
+                }
+                requestPermission(
+                    Manifest.permission.POST_NOTIFICATIONS,
+                    CHECK_NOTIFICATION_PERMISSION_ACTION_CODE,
+                    PermissionRequestHandler(
+                        onSuccess = saveAsked,
+                        onFail = saveAsked,
+                        onAny = onChecked
+                    )
+                )
+            }
+            .show()
+    }
+
     @MainThread
     private fun startVpn(vpnConfig: String) {
         if (isServiceConnected) {
@@ -322,28 +388,21 @@ class AmneziaActivity : QtActivity() {
         Intent(this, AmneziaVpnService::class.java).apply {
             putExtra(MSG_VPN_CONFIG, vpnConfig)
         }.also {
-            ContextCompat.startForegroundService(this, it)
+            try {
+                ContextCompat.startForegroundService(this, it)
+            } catch (e: SecurityException) {
+                Log.e(TAG, "Failed to start AmneziaVpnService: $e")
+                QtAndroidController.onServiceError()
+            }
         }
     }
 
+    @MainThread
     private fun disconnectFromVpn() {
         Log.d(TAG, "Disconnect from VPN")
         vpnServiceMessenger.send(Action.DISCONNECT)
     }
 
-    // saving file
-    private fun alterDocument(uri: Uri) {
-        try {
-            contentResolver.openOutputStream(uri)?.use { os ->
-                os.bufferedWriter().use { it.write(tmpFileContentToSave) }
-            }
-        } catch (e: IOException) {
-            e.printStackTrace()
-        }
-
-        tmpFileContentToSave = ""
-    }
-
     /**
      * Methods called by Qt
      */
@@ -357,7 +416,11 @@ class AmneziaActivity : QtActivity() {
     fun start(vpnConfig: String) {
         Log.v(TAG, "Start VPN")
         mainScope.launch {
-            checkVpnPermissionAndStart(vpnConfig)
+            checkVpnPermission {
+                checkNotificationPermission {
+                    startVpn(vpnConfig)
+                }
+            }
         }
     }
 
@@ -389,14 +452,26 @@ class AmneziaActivity : QtActivity() {
     fun saveFile(fileName: String, data: String) {
         Log.d(TAG, "Save file $fileName")
         mainScope.launch {
-            tmpFileContentToSave = data
-
             Intent(Intent.ACTION_CREATE_DOCUMENT).apply {
                 addCategory(Intent.CATEGORY_OPENABLE)
                 type = "text/*"
                 putExtra(Intent.EXTRA_TITLE, fileName)
             }.also {
-                startActivityForResult(it, CREATE_FILE_ACTION_CODE)
+                startActivityForResult(it, CREATE_FILE_ACTION_CODE, ActivityResultHandler(
+                    onSuccess = {
+                        it?.data?.let { uri ->
+                            Log.d(TAG, "Save file to $uri")
+                            try {
+                                contentResolver.openOutputStream(uri)?.use { os ->
+                                    os.bufferedWriter().use { it.write(data) }
+                                }
+                            } catch (e: IOException) {
+                                Log.e(TAG, "Failed to save file $uri: $e")
+                                // todo: send error to Qt
+                            }
+                        }
+                    }
+                ))
             }
         }
     }
@@ -404,42 +479,47 @@ class AmneziaActivity : QtActivity() {
     @Suppress("unused")
     fun openFile(filter: String?) {
         Log.v(TAG, "Open file with filter: $filter")
+        mainScope.launch {
+            val mimeTypes = if (!filter.isNullOrEmpty()) {
+                val extensionRegex = "\\*\\.([a-z0-9]+)".toRegex(IGNORE_CASE)
+                val mime = MimeTypeMap.getSingleton()
+                extensionRegex.findAll(filter).map {
+                    it.groups[1]?.value?.let { mime.getMimeTypeFromExtension(it) } ?: "*/*"
+                }.toSet()
+            } else emptySet()
 
-        val mimeTypes = if (!filter.isNullOrEmpty()) {
-            val extensionRegex = "\\*\\.([a-z0-9]+)".toRegex(IGNORE_CASE)
-            val mime = MimeTypeMap.getSingleton()
-            extensionRegex.findAll(filter).map {
-                it.groups[1]?.value?.let { mime.getMimeTypeFromExtension(it) } ?: "*/*"
-            }.toSet()
-        } else emptySet()
+            Intent(Intent.ACTION_OPEN_DOCUMENT).apply {
+                addCategory(Intent.CATEGORY_OPENABLE)
+                Log.v(TAG, "File mimyType filter: $mimeTypes")
+                if ("*/*" in mimeTypes) {
+                    type = "*/*"
+                } else {
+                    when (mimeTypes.size) {
+                        1 -> type = mimeTypes.first()
 
-        Intent(Intent.ACTION_OPEN_DOCUMENT).apply {
-            addCategory(Intent.CATEGORY_OPENABLE)
-            Log.v(TAG, "File mimyType filter: $mimeTypes")
-            if ("*/*" in mimeTypes) {
-                type = "*/*"
-            } else {
-                when (mimeTypes.size) {
-                    1 -> type = mimeTypes.first()
+                        in 2..Int.MAX_VALUE -> {
+                            type = "*/*"
+                            putExtra(EXTRA_MIME_TYPES, mimeTypes.toTypedArray())
+                        }
 
-                    in 2..Int.MAX_VALUE -> {
-                        type = "*/*"
-                        putExtra(EXTRA_MIME_TYPES, mimeTypes.toTypedArray())
+                        else -> type = "*/*"
                     }
-
-                    else -> type = "*/*"
                 }
+            }.also {
+                startActivityForResult(it, OPEN_FILE_ACTION_CODE, ActivityResultHandler(
+                    onSuccess = {
+                        val uri = it?.data?.toString() ?: ""
+                        Log.d(TAG, "Open file: $uri")
+                        mainScope.launch {
+                            qtInitialized.await()
+                            QtAndroidController.onFileOpened(uri)
+                        }
+                    }
+                ))
             }
-        }.also {
-            startActivityForResult(it, OPEN_FILE_ACTION_CODE)
         }
     }
 
-    @Suppress("unused")
-    fun setNotificationText(title: String, message: String, timerSec: Int) {
-        Log.v(TAG, "Set notification text")
-    }
-
     @Suppress("unused")
     fun isCameraPresent(): Boolean = applicationContext.packageManager.hasSystemFeature(PackageManager.FEATURE_CAMERA)
 
@@ -514,4 +594,76 @@ class AmneziaActivity : QtActivity() {
         Log.v(TAG, "Get app icon")
         return AppListProvider.getAppIcon(packageManager, packageName, width, height)
     }
+
+    @Suppress("unused")
+    fun isNotificationPermissionGranted(): Boolean = applicationContext.isNotificationPermissionGranted()
+
+    @Suppress("unused")
+    fun requestNotificationPermission() {
+        val shouldShowPreRequest = shouldShowRequestPermissionRationale(Manifest.permission.POST_NOTIFICATIONS)
+        requestPermission(
+            Manifest.permission.POST_NOTIFICATIONS,
+            CHECK_NOTIFICATION_PERMISSION_ACTION_CODE,
+            PermissionRequestHandler(
+                onSuccess = {
+                    mainScope.launch {
+                        Prefs.save(PREFS_NOTIFICATION_PERMISSION_ASKED, true)
+                        vpnServiceMessenger.send(Action.NOTIFICATION_PERMISSION_GRANTED)
+                        qtInitialized.await()
+                        QtAndroidController.onNotificationStateChanged()
+                    }
+                },
+                onFail = {
+                    if (!Prefs.load<Boolean>(PREFS_NOTIFICATION_PERMISSION_ASKED)) {
+                        Prefs.save(PREFS_NOTIFICATION_PERMISSION_ASKED, true)
+                    } else {
+                        val shouldShowPostRequest =
+                            shouldShowRequestPermissionRationale(Manifest.permission.POST_NOTIFICATIONS)
+                        if (!shouldShowPreRequest && !shouldShowPostRequest) {
+                            showNotificationSettingsDialog()
+                        }
+                    }
+                }
+            )
+        )
+    }
+
+    private fun showNotificationSettingsDialog() {
+        AlertDialog.Builder(this)
+            .setTitle(R.string.notificationSettingsDialogTitle)
+            .setMessage(R.string.notificationSettingsDialogMessage)
+            .setNegativeButton(R.string.cancel) { _, _ -> }
+            .setPositiveButton(R.string.openNotificationSettings) { _, _ ->
+                startActivity(Intent(Settings.ACTION_APP_NOTIFICATION_SETTINGS).apply {
+                    putExtra(Settings.EXTRA_APP_PACKAGE, packageName)
+                })
+            }
+            .show()
+    }
+
+    /**
+     * Utils methods
+     */
+    companion object {
+        private fun actionCodeToString(actionCode: Int): String =
+            when (actionCode) {
+                CHECK_VPN_PERMISSION_ACTION_CODE -> "CHECK_VPN_PERMISSION"
+                CREATE_FILE_ACTION_CODE -> "CREATE_FILE"
+                OPEN_FILE_ACTION_CODE -> "OPEN_FILE"
+                CHECK_NOTIFICATION_PERMISSION_ACTION_CODE -> "CHECK_NOTIFICATION_PERMISSION"
+                else -> actionCode.toString()
+            }
+    }
 }
+
+private class ActivityResultHandler(
+    val onSuccess: (data: Intent?) -> Unit = {},
+    val onFail: (data: Intent?) -> Unit = {},
+    val onAny: (data: Intent?) -> Unit = {}
+)
+
+private class PermissionRequestHandler(
+    val onSuccess: () -> Unit = {},
+    val onFail: () -> Unit = {},
+    val onAny: () -> Unit = {}
+)

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

@@ -3,14 +3,11 @@ package org.amnezia.vpn
 import androidx.camera.camera2.Camera2Config
 import androidx.camera.core.CameraSelector
 import androidx.camera.core.CameraXConfig
-import androidx.core.app.NotificationChannelCompat.Builder
-import androidx.core.app.NotificationManagerCompat
 import org.amnezia.vpn.util.Log
 import org.amnezia.vpn.util.Prefs
 import org.qtproject.qt.android.bindings.QtApplication
 
 private const val TAG = "AmneziaApplication"
-const val NOTIFICATION_CHANNEL_ID: String = "org.amnezia.vpn.notification"
 
 class AmneziaApplication : QtApplication(), CameraXConfig.Provider {
 
@@ -20,7 +17,7 @@ class AmneziaApplication : QtApplication(), CameraXConfig.Provider {
         Log.init(this)
         VpnStateStore.init(this)
         Log.d(TAG, "Create Amnezia application")
-        createNotificationChannel()
+        ServiceNotification.createNotificationChannel(this)
     }
 
     override fun getCameraXConfig(): CameraXConfig = CameraXConfig.Builder
@@ -28,14 +25,4 @@ class AmneziaApplication : QtApplication(), CameraXConfig.Provider {
         .setMinimumLoggingLevel(android.util.Log.ERROR)
         .setAvailableCamerasLimiter(CameraSelector.DEFAULT_BACK_CAMERA)
         .build()
-
-    private fun createNotificationChannel() {
-        NotificationManagerCompat.from(this).createNotificationChannel(
-            Builder(NOTIFICATION_CHANNEL_ID, NotificationManagerCompat.IMPORTANCE_LOW)
-                .setName("AmneziaVPN")
-                .setDescription("AmneziaVPN service notification")
-                .setShowBadge(false)
-                .build()
-        )
-    }
 }

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

@@ -0,0 +1,56 @@
+package org.amnezia.vpn
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import androidx.core.content.ContextCompat
+import androidx.core.content.ContextCompat.RegisterReceiverFlags
+import org.amnezia.vpn.protocol.ProtocolState
+import org.amnezia.vpn.protocol.ProtocolState.CONNECTED
+import org.amnezia.vpn.protocol.ProtocolState.CONNECTING
+import org.amnezia.vpn.protocol.ProtocolState.DISCONNECTED
+import org.amnezia.vpn.protocol.ProtocolState.DISCONNECTING
+import org.amnezia.vpn.protocol.ProtocolState.RECONNECTING
+import org.amnezia.vpn.protocol.ProtocolState.UNKNOWN
+
+fun Context.getString(state: ProtocolState): String =
+    getString(
+        when (state) {
+            DISCONNECTED, UNKNOWN -> R.string.disconnected
+            CONNECTED -> R.string.connected
+            CONNECTING -> R.string.connecting
+            DISCONNECTING -> R.string.disconnecting
+            RECONNECTING -> R.string.reconnecting
+        }
+    )
+
+fun Context.registerBroadcastReceiver(
+    action: String,
+    @RegisterReceiverFlags flags: Int = ContextCompat.RECEIVER_EXPORTED,
+    onReceive: (Intent?) -> Unit
+): BroadcastReceiver = registerBroadcastReceiver(arrayOf(action), flags, onReceive)
+
+fun Context.registerBroadcastReceiver(
+    actions: Array<String>,
+    @RegisterReceiverFlags flags: Int = ContextCompat.RECEIVER_EXPORTED,
+    onReceive: (Intent?) -> Unit
+): BroadcastReceiver =
+    object : BroadcastReceiver() {
+        override fun onReceive(context: Context?, intent: Intent?) {
+            onReceive(intent)
+        }
+    }.also {
+        ContextCompat.registerReceiver(
+            this,
+            it,
+            IntentFilter().apply {
+                actions.forEach(::addAction)
+            },
+            flags
+        )
+    }
+
+fun Context.unregisterBroadcastReceiver(receiver: BroadcastReceiver?) {
+    receiver?.let { this.unregisterReceiver(it) }
+}

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

@@ -188,11 +188,16 @@ class AmneziaTileService : TileService() {
             true
         }
 
-    private fun startVpnService() =
-        ContextCompat.startForegroundService(
-            applicationContext,
-            Intent(this, AmneziaVpnService::class.java)
-        )
+    private fun startVpnService() {
+        try {
+            ContextCompat.startForegroundService(
+                applicationContext,
+                Intent(this, AmneziaVpnService::class.java)
+            )
+        } catch (e: SecurityException) {
+            Log.e(TAG, "Failed to start AmneziaVpnService: $e")
+        }
+    }
 
     private fun connectToVpn() = vpnServiceMessenger.send(Action.CONNECT)
 
@@ -230,7 +235,7 @@ class AmneziaTileService : TileService() {
         val tile = qsTile ?: return
         tile.apply {
             label = vpnState.serverName ?: DEFAULT_TILE_LABEL
-            when (vpnState.protocolState) {
+            when (val protocolState = vpnState.protocolState) {
                 CONNECTED -> {
                     state = Tile.STATE_ACTIVE
                     subtitleCompat = null
@@ -241,14 +246,9 @@ class AmneziaTileService : TileService() {
                     subtitleCompat = null
                 }
 
-                CONNECTING, RECONNECTING -> {
+                CONNECTING, DISCONNECTING, RECONNECTING -> {
                     state = Tile.STATE_UNAVAILABLE
-                    subtitleCompat = resources.getString(R.string.connecting)
-                }
-
-                DISCONNECTING -> {
-                    state = Tile.STATE_UNAVAILABLE
-                    subtitleCompat = resources.getString(R.string.disconnecting)
+                    subtitleCompat = getString(protocolState)
                 }
             }
             updateTile()

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

@@ -2,8 +2,8 @@ package org.amnezia.vpn
 
 import android.app.ActivityManager
 import android.app.ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND_SERVICE
-import android.app.Notification
-import android.app.PendingIntent
+import android.app.NotificationManager
+import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
 import android.content.pm.ServiceInfo.FOREGROUND_SERVICE_TYPE_MANIFEST
@@ -15,10 +15,12 @@ import android.os.IBinder
 import android.os.Looper
 import android.os.Message
 import android.os.Messenger
+import android.os.PowerManager
 import android.os.Process
 import androidx.annotation.MainThread
-import androidx.core.app.NotificationCompat
 import androidx.core.app.ServiceCompat
+import androidx.core.content.ContextCompat
+import androidx.core.content.getSystemService
 import java.util.concurrent.ConcurrentHashMap
 import kotlin.LazyThreadSafetyMode.NONE
 import kotlinx.coroutines.CoroutineExceptionHandler
@@ -54,11 +56,14 @@ import org.amnezia.vpn.protocol.wireguard.Wireguard
 import org.amnezia.vpn.util.Log
 import org.amnezia.vpn.util.Prefs
 import org.amnezia.vpn.util.net.NetworkState
+import org.amnezia.vpn.util.net.TrafficStats
 import org.json.JSONException
 import org.json.JSONObject
 
 private const val TAG = "AmneziaVpnService"
 
+const val ACTION_DISCONNECT = "org.amnezia.vpn.action.disconnect"
+
 const val MSG_VPN_CONFIG = "VPN_CONFIG"
 const val MSG_ERROR = "ERROR"
 const val MSG_SAVE_LOGS = "SAVE_LOGS"
@@ -69,8 +74,8 @@ private const val PREFS_CONFIG_KEY = "LAST_CONF"
 private const val PREFS_SERVER_NAME = "LAST_SERVER_NAME"
 private const val PREFS_SERVER_INDEX = "LAST_SERVER_INDEX"
 private const val PROCESS_NAME = "org.amnezia.vpn:amneziaVpnService"
-private const val NOTIFICATION_ID = 1337
-private const val STATISTICS_SENDING_TIMEOUT = 1000L
+// private const val STATISTICS_SENDING_TIMEOUT = 1000L
+private const val TRAFFIC_STATS_UPDATE_TIMEOUT = 1000L
 private const val DISCONNECT_TIMEOUT = 5000L
 private const val STOP_SERVICE_TIMEOUT = 5000L
 
@@ -96,8 +101,14 @@ class AmneziaVpnService : VpnService() {
 
     private var connectionJob: Job? = null
     private var disconnectionJob: Job? = null
-    private var statisticsSendingJob: Job? = null
+    private var trafficStatsUpdateJob: Job? = null
+    // private var statisticsSendingJob: Job? = null
     private lateinit var networkState: NetworkState
+    private lateinit var trafficStats: TrafficStats
+    private var disconnectReceiver: BroadcastReceiver? = null
+    private var notificationStateReceiver: BroadcastReceiver? = null
+    private var screenOnReceiver: BroadcastReceiver? = null
+    private var screenOffReceiver: BroadcastReceiver? = null
     private val clientMessengers = ConcurrentHashMap<Messenger, IpcMessenger>()
 
     private val isActivityConnected
@@ -131,13 +142,13 @@ class AmneziaVpnService : VpnService() {
                         val messenger = IpcMessenger(msg.replyTo, clientName)
                         clientMessengers[msg.replyTo] = messenger
                         Log.d(TAG, "Messenger client '$clientName' was registered")
-                        if (clientName == ACTIVITY_MESSENGER_NAME && isConnected) launchSendingStatistics()
+                        // if (clientName == ACTIVITY_MESSENGER_NAME && isConnected) launchSendingStatistics()
                     }
 
                     Action.UNREGISTER_CLIENT -> {
                         clientMessengers.remove(msg.replyTo)?.let {
                             Log.d(TAG, "Messenger client '${it.name}' was unregistered")
-                            if (it.name == ACTIVITY_MESSENGER_NAME) stopSendingStatistics()
+                            // if (it.name == ACTIVITY_MESSENGER_NAME) stopSendingStatistics()
                         }
                     }
 
@@ -159,6 +170,10 @@ class AmneziaVpnService : VpnService() {
                         }
                     }
 
+                    Action.NOTIFICATION_PERMISSION_GRANTED -> {
+                        enableNotification()
+                    }
+
                     Action.SET_SAVE_LOGS -> {
                         Log.saveLogs = msg.data.getBoolean(MSG_SAVE_LOGS)
                     }
@@ -181,25 +196,7 @@ class AmneziaVpnService : VpnService() {
             else -> 0
         }
 
-    private val notification: Notification by lazy(NONE) {
-        NotificationCompat.Builder(this, NOTIFICATION_CHANNEL_ID)
-            .setSmallIcon(R.drawable.ic_amnezia_round)
-            .setShowWhen(false)
-            .setContentIntent(
-                PendingIntent.getActivity(
-                    this,
-                    0,
-                    Intent(this, AmneziaActivity::class.java),
-                    PendingIntent.FLAG_IMMUTABLE or PendingIntent.FLAG_UPDATE_CURRENT
-                )
-            )
-            .setOngoing(true)
-            .setPriority(NotificationCompat.PRIORITY_LOW)
-            .setCategory(NotificationCompat.CATEGORY_SERVICE)
-            .setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
-            .setForegroundServiceBehavior(NotificationCompat.FOREGROUND_SERVICE_IMMEDIATE)
-            .build()
-    }
+    private val serviceNotification: ServiceNotification by lazy(NONE) { ServiceNotification(this) }
 
     /**
      * Service overloaded methods
@@ -212,6 +209,8 @@ class AmneziaVpnService : VpnService() {
         loadServerData()
         launchProtocolStateHandler()
         networkState = NetworkState(this, ::reconnect)
+        trafficStats = TrafficStats()
+        registerBroadcastReceivers()
     }
 
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
@@ -227,7 +226,10 @@ class AmneziaVpnService : VpnService() {
             Log.d(TAG, "Start service")
             connect(intent?.getStringExtra(MSG_VPN_CONFIG))
         }
-        ServiceCompat.startForeground(this, NOTIFICATION_ID, notification, foregroundServiceTypeCompat)
+        ServiceCompat.startForeground(
+            this, NOTIFICATION_ID, serviceNotification.buildNotification(serverName, protocolState.value),
+            foregroundServiceTypeCompat
+        )
         return START_REDELIVER_INTENT
     }
 
@@ -267,6 +269,7 @@ class AmneziaVpnService : VpnService() {
 
     override fun onDestroy() {
         Log.d(TAG, "Destroy service")
+        unregisterBroadcastReceivers()
         runBlocking {
             disconnect()
             disconnectionJob?.join()
@@ -287,6 +290,63 @@ class AmneziaVpnService : VpnService() {
         stopSelf()
     }
 
+    private fun registerBroadcastReceivers() {
+        Log.d(TAG, "Register broadcast receivers")
+        disconnectReceiver = registerBroadcastReceiver(ACTION_DISCONNECT, ContextCompat.RECEIVER_NOT_EXPORTED) {
+            Log.d(TAG, "Broadcast request received: $ACTION_DISCONNECT")
+            disconnect()
+        }
+
+        notificationStateReceiver = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
+            registerBroadcastReceiver(
+                arrayOf(
+                    NotificationManager.ACTION_NOTIFICATION_CHANNEL_BLOCK_STATE_CHANGED,
+                    NotificationManager.ACTION_APP_BLOCK_STATE_CHANGED
+                )
+            ) {
+                val state = it?.getBooleanExtra(NotificationManager.EXTRA_BLOCKED_STATE, false)
+                Log.d(TAG, "Notification state changed: ${it?.action}, blocked = $state")
+                if (state == false) {
+                    enableNotification()
+                } else {
+                    disableNotification()
+                }
+            }
+        } else null
+
+        registerScreenStateBroadcastReceivers()
+    }
+
+    private fun registerScreenStateBroadcastReceivers() {
+        if (serviceNotification.isNotificationEnabled()) {
+            Log.d(TAG, "Register screen state broadcast receivers")
+            screenOnReceiver = registerBroadcastReceiver(Intent.ACTION_SCREEN_ON) {
+                if (isConnected && serviceNotification.isNotificationEnabled()) startTrafficStatsUpdateJob()
+            }
+
+            screenOffReceiver = registerBroadcastReceiver(Intent.ACTION_SCREEN_OFF) {
+                stopTrafficStatsUpdateJob()
+            }
+        }
+    }
+
+    private fun unregisterScreenStateBroadcastReceivers() {
+        Log.d(TAG, "Unregister screen state broadcast receivers")
+        unregisterBroadcastReceiver(screenOnReceiver)
+        unregisterBroadcastReceiver(screenOffReceiver)
+        screenOnReceiver = null
+        screenOffReceiver = null
+    }
+
+    private fun unregisterBroadcastReceivers() {
+        Log.d(TAG, "Unregister broadcast receivers")
+        unregisterBroadcastReceiver(disconnectReceiver)
+        unregisterBroadcastReceiver(notificationStateReceiver)
+        unregisterScreenStateBroadcastReceivers()
+        disconnectReceiver = null
+        notificationStateReceiver = null
+    }
+
     /**
      * Methods responsible for processing VPN connection
      */
@@ -295,29 +355,8 @@ class AmneziaVpnService : VpnService() {
             // drop first default UNKNOWN state
             protocolState.drop(1).collect { protocolState ->
                 Log.d(TAG, "Protocol state changed: $protocolState")
-                when (protocolState) {
-                    CONNECTED -> {
-                        networkState.bindNetworkListener()
-                        if (isActivityConnected) launchSendingStatistics()
-                    }
 
-                    DISCONNECTED -> {
-                        networkState.unbindNetworkListener()
-                        stopSendingStatistics()
-                        if (!isServiceBound) stopService()
-                    }
-
-                    DISCONNECTING -> {
-                        networkState.unbindNetworkListener()
-                        stopSendingStatistics()
-                    }
-
-                    RECONNECTING -> {
-                        stopSendingStatistics()
-                    }
-
-                    CONNECTING, UNKNOWN -> {}
-                }
+                serviceNotification.updateNotification(serverName, protocolState)
 
                 clientMessengers.send {
                     ServiceEvent.STATUS_CHANGED.packToMessage {
@@ -326,13 +365,41 @@ class AmneziaVpnService : VpnService() {
                 }
 
                 VpnStateStore.store { VpnState(protocolState, serverName, serverIndex) }
+
+                when (protocolState) {
+                    CONNECTED -> {
+                        networkState.bindNetworkListener()
+                        // if (isActivityConnected) launchSendingStatistics()
+                        launchTrafficStatsUpdate()
+                    }
+
+                    DISCONNECTED -> {
+                        networkState.unbindNetworkListener()
+                        stopTrafficStatsUpdateJob()
+                        // stopSendingStatistics()
+                        if (!isServiceBound) stopService()
+                    }
+
+                    DISCONNECTING -> {
+                        networkState.unbindNetworkListener()
+                        stopTrafficStatsUpdateJob()
+                        // stopSendingStatistics()
+                    }
+
+                    RECONNECTING -> {
+                        stopTrafficStatsUpdateJob()
+                        // stopSendingStatistics()
+                    }
+
+                    CONNECTING, UNKNOWN -> {}
+                }
             }
         }
     }
 
-    @MainThread
+/*  @MainThread
     private fun launchSendingStatistics() {
-        /* if (isServiceBound && isConnected) {
+        if (isServiceBound && isConnected) {
             statisticsSendingJob = mainScope.launch {
                 while (true) {
                     clientMessenger.send {
@@ -343,12 +410,62 @@ class AmneziaVpnService : VpnService() {
                     delay(STATISTICS_SENDING_TIMEOUT)
                 }
             }
-        } */
+        }
     }
 
     @MainThread
     private fun stopSendingStatistics() {
         statisticsSendingJob?.cancel()
+    } */
+
+    @MainThread
+    private fun enableNotification() {
+        registerScreenStateBroadcastReceivers()
+        serviceNotification.updateNotification(serverName, protocolState.value)
+        launchTrafficStatsUpdate()
+    }
+
+    @MainThread
+    private fun disableNotification() {
+        unregisterScreenStateBroadcastReceivers()
+        stopTrafficStatsUpdateJob()
+    }
+
+    @MainThread
+    private fun launchTrafficStatsUpdate() {
+        stopTrafficStatsUpdateJob()
+        if (isConnected &&
+            serviceNotification.isNotificationEnabled() &&
+            getSystemService<PowerManager>()?.isInteractive != false
+        ) {
+            Log.d(TAG, "Launch traffic stats update")
+            trafficStats.reset()
+            startTrafficStatsUpdateJob()
+        }
+    }
+
+    @MainThread
+    private fun startTrafficStatsUpdateJob() {
+        if (trafficStatsUpdateJob == null && trafficStats.isSupported()) {
+            Log.d(TAG, "Start traffic stats update")
+            trafficStatsUpdateJob = mainScope.launch {
+                while (true) {
+                    trafficStats.getSpeed().let { speed ->
+                        if (isConnected) {
+                            serviceNotification.updateSpeed(speed)
+                        }
+                    }
+                    delay(TRAFFIC_STATS_UPDATE_TIMEOUT)
+                }
+            }
+        }
+    }
+
+    @MainThread
+    private fun stopTrafficStatsUpdateJob() {
+        Log.d(TAG, "Stop traffic stats update")
+        trafficStatsUpdateJob?.cancel()
+        trafficStatsUpdateJob = null
     }
 
     @MainThread
@@ -471,6 +588,7 @@ class AmneziaVpnService : VpnService() {
     private fun saveServerData(config: JSONObject?) {
         serverName = config?.opt("description") as String?
         serverIndex = config?.opt("serverIndex") as Int? ?: -1
+        Log.d(TAG, "Save server data: ($serverIndex, $serverName)")
         Prefs.save(PREFS_SERVER_NAME, serverName)
         Prefs.save(PREFS_SERVER_INDEX, serverIndex)
     }
@@ -478,6 +596,7 @@ class AmneziaVpnService : VpnService() {
     private fun loadServerData() {
         serverName = Prefs.load<String>(PREFS_SERVER_NAME).ifBlank { null }
         if (serverName != null) serverIndex = Prefs.load(PREFS_SERVER_INDEX)
+        Log.d(TAG, "Load server data: ($serverIndex, $serverName)")
     }
 
     private fun checkPermission(): Boolean =
@@ -494,9 +613,8 @@ class AmneziaVpnService : VpnService() {
 
     companion object {
         fun isRunning(context: Context): Boolean =
-            (context.getSystemService(ACTIVITY_SERVICE) as ActivityManager)
-                .runningAppProcesses.any {
-                    it.processName == PROCESS_NAME && it.importance <= IMPORTANCE_FOREGROUND_SERVICE
-                }
+            context.getSystemService<ActivityManager>()!!.runningAppProcesses.any {
+                it.processName == PROCESS_NAME && it.importance <= IMPORTANCE_FOREGROUND_SERVICE
+            }
     }
 }

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

@@ -32,6 +32,7 @@ enum class Action : IpcMessage {
     CONNECT,
     DISCONNECT,
     REQUEST_STATUS,
+    NOTIFICATION_PERMISSION_GRANTED,
     SET_SAVE_LOGS
 }
 

client/android/src/org/amnezia/vpn/PackageManagerHelper.java

@@ -1,189 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-package org.amnezia.vpn;
-
-import android.Manifest;
-import android.content.Context;
-import android.content.Intent;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageInfo;
-import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
-import android.graphics.Color;
-import android.graphics.drawable.ColorDrawable;
-import android.graphics.drawable.Drawable;
-import android.Manifest.permission;
-import android.net.Uri;
-import android.os.Build;
-import android.util.Log;
-import android.webkit.WebView;
-
-import org.json.JSONException;
-import org.json.JSONObject;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.regex.Pattern;
-
-// Gets used by /platforms/android/androidAppListProvider.cpp
-public class PackageManagerHelper {
-  final static String TAG = "PackageManagerHelper";
-  final static int MIN_CHROME_VERSION = 65;
-
-  final static List<String> CHROME_BROWSERS = Arrays.asList(
-      new String[] {"com.google.android.webview", "com.android.webview", "com.google.chrome"});
-
-  private static String getAllAppNames(Context ctx) {
-    JSONObject output = new JSONObject();
-    PackageManager pm = ctx.getPackageManager();
-    List<String> browsers = getBrowserIDs(pm);
-    List<PackageInfo> packs = pm.getInstalledPackages(PackageManager.GET_PERMISSIONS);
-    for (int i = 0; i < packs.size(); i++) {
-      PackageInfo p = packs.get(i);
-      // Do not add ourselves and System Apps to the list, unless it might be a browser
-      if ((!isSystemPackage(p,pm) || browsers.contains(p.packageName))
-          && !isSelf(p)) {
-        String appid = p.packageName;
-        String appName = p.applicationInfo.loadLabel(pm).toString();
-        try {
-          output.put(appid, appName);
-        } catch (JSONException e) {
-          e.printStackTrace();
-        }
-      }
-    }
-    return output.toString();
-  }
-
-  private static Drawable getAppIcon(Context ctx, String id) {
-    try {
-      return ctx.getPackageManager().getApplicationIcon(id);
-    } catch (PackageManager.NameNotFoundException e) {
-      e.printStackTrace();
-    }
-    return new ColorDrawable(Color.TRANSPARENT);
-  }
-
-  private static boolean isSystemPackage(PackageInfo pkgInfo, PackageManager pm) {
-    if( (pkgInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0){
-      // no system app
-      return false;
-    }
-    // For Systems Packages there are Cases where we want to add it anyway:
-    // Has the use Internet permission (otherwise makes no sense)
-    // Had at least 1 update (this means it's probably on any AppStore)
-    // Has a a launch activity (has a ui and is not just a system service)
-
-    if(!usesInternet(pkgInfo)){
-      return true;
-    }
-    if(!hadUpdate(pkgInfo)){
-      return true;
-    }
-    if(pm.getLaunchIntentForPackage(pkgInfo.packageName) == null){
-      // If there is no way to launch this from a homescreen, def a sys package
-      return true;
-    }
-    return false;
-  }
-  private static boolean isSelf(PackageInfo pkgInfo) {
-    return pkgInfo.packageName.equals("org.amnezia.vpn")
-        || pkgInfo.packageName.equals("org.amnezia.vpn.debug");
-  }
-  private static boolean usesInternet(PackageInfo pkgInfo){
-    if(pkgInfo.requestedPermissions == null){
-      return false;
-    }
-    for(int i=0; i < pkgInfo.requestedPermissions.length; i++) {
-      String permission = pkgInfo.requestedPermissions[i];
-      if(Manifest.permission.INTERNET.equals(permission)){
-        return true;
-      }
-    }
-    return false;
-  }
-  private static boolean hadUpdate(PackageInfo pkgInfo){
-    return pkgInfo.lastUpdateTime > pkgInfo.firstInstallTime;
-  }
-
-  // Returns List of all Packages that can classify themselves as browsers
-  private static List<String> getBrowserIDs(PackageManager pm) {
-    Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse("https://www.amnezia.org/"));
-    intent.addCategory(Intent.CATEGORY_BROWSABLE);
-    // We've tried using PackageManager.MATCH_DEFAULT_ONLY flag and found that browsers that
-    // are not set as the default browser won't be matched even if they had CATEGORY_DEFAULT set
-    // in the intent filter
-
-    List<ResolveInfo> resolveInfos = pm.queryIntentActivities(intent, PackageManager.MATCH_ALL);
-    List<String> browsers = new ArrayList<String>();
-    for (int i = 0; i < resolveInfos.size(); i++) {
-      ResolveInfo info = resolveInfos.get(i);
-      String browserID = info.activityInfo.packageName;
-      browsers.add(browserID);
-    }
-    return browsers;
-  }
-
-  // Gets called in AndroidAuthenticationListener;
-  public static boolean isWebViewSupported(Context ctx) {
-    Log.v(TAG, "Checking if installed Webview is compatible with FxA");
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
-      // The default Webview is able do to FXA
-      return true;
-    }
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-      PackageInfo pi = WebView.getCurrentWebViewPackage();
-      if (CHROME_BROWSERS.contains(pi.packageName)) {
-        return isSupportedChromeBrowser(pi);
-      }
-      return isNotAncientBrowser(pi);
-    }
-
-    // Before O the webview is hardcoded, but we dont know which package it is.
-    // Check if com.google.android.webview is installed
-    PackageManager pm = ctx.getPackageManager();
-    try {
-      PackageInfo pi = pm.getPackageInfo("com.google.android.webview", 0);
-      return isSupportedChromeBrowser(pi);
-    } catch (PackageManager.NameNotFoundException e) {
-    }
-    // Otherwise check com.android.webview
-    try {
-      PackageInfo pi = pm.getPackageInfo("com.android.webview", 0);
-      return isSupportedChromeBrowser(pi);
-    } catch (PackageManager.NameNotFoundException e) {
-    }
-    Log.e(TAG, "Android System WebView is not found");
-    // Giving up :(
-    return false;
-  }
-
-  private static boolean isSupportedChromeBrowser(PackageInfo pi) {
-    Log.d(TAG, "Checking Chrome Based Browser: " + pi.packageName);
-    Log.d(TAG, "version name: " + pi.versionName);
-    Log.d(TAG, "version code: " + pi.versionCode);
-    try {
-      String versionCode = pi.versionName.split(Pattern.quote(" "))[0];
-      String majorVersion = versionCode.split(Pattern.quote("."))[0];
-      int version = Integer.parseInt(majorVersion);
-      return version >= MIN_CHROME_VERSION;
-    } catch (Exception e) {
-      Log.e(TAG, "Failed to check Chrome Version Code " + pi.versionName);
-      return false;
-    }
-  }
-
-  private static boolean isNotAncientBrowser(PackageInfo pi) {
-    // Not a google chrome - So the version name is worthless
-    // Lets just make sure the WebView
-    // used is not ancient ==> Was updated in at least the last 365 days
-    Log.d(TAG, "Checking Chrome Based Browser: " + pi.packageName);
-    Log.d(TAG, "version name: " + pi.versionName);
-    Log.d(TAG, "version code: " + pi.versionCode);
-    double oneYearInMillis = 31536000000L;
-    return pi.lastUpdateTime > (System.currentTimeMillis() - oneYearInMillis);
-  }
-}

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

@@ -0,0 +1,180 @@
+package org.amnezia.vpn
+
+import android.Manifest.permission
+import android.annotation.SuppressLint
+import android.app.Notification
+import android.app.NotificationManager
+import android.app.PendingIntent
+import android.content.Context
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.os.Build
+import androidx.core.app.NotificationChannelCompat.Builder
+import androidx.core.app.NotificationCompat
+import androidx.core.app.NotificationCompat.Action
+import androidx.core.app.NotificationManagerCompat
+import androidx.core.content.ContextCompat
+import org.amnezia.vpn.protocol.ProtocolState
+import org.amnezia.vpn.protocol.ProtocolState.CONNECTED
+import org.amnezia.vpn.protocol.ProtocolState.DISCONNECTED
+import org.amnezia.vpn.util.Log
+import org.amnezia.vpn.util.net.TrafficStats.TrafficData
+
+private const val TAG = "ServiceNotification"
+
+private const val OLD_NOTIFICATION_CHANNEL_ID: String = "org.amnezia.vpn.notification"
+private const val NOTIFICATION_CHANNEL_ID: String = "org.amnezia.vpn.notifications"
+const val NOTIFICATION_ID = 1337
+
+private const val GET_ACTIVITY_REQUEST_CODE = 0
+private const val CONNECT_REQUEST_CODE = 1
+private const val DISCONNECT_REQUEST_CODE = 2
+
+class ServiceNotification(private val context: Context) {
+
+    private val upDownSymbols = when (Build.BRAND) {
+        "Infinix" -> '˅' to '˄'
+        else -> '↓' to '↑'
+    }
+
+    private val notificationManager = NotificationManagerCompat.from(context)
+
+    private val notificationBuilder = NotificationCompat.Builder(context, NOTIFICATION_CHANNEL_ID)
+        .setShowWhen(false)
+        .setOngoing(true)
+        .setPriority(NotificationCompat.PRIORITY_DEFAULT)
+        .setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
+        .setForegroundServiceBehavior(NotificationCompat.FOREGROUND_SERVICE_IMMEDIATE)
+        .setCategory(NotificationCompat.CATEGORY_SERVICE)
+        .setContentIntent(
+            PendingIntent.getActivity(
+                context,
+                GET_ACTIVITY_REQUEST_CODE,
+                Intent(context, AmneziaActivity::class.java),
+                PendingIntent.FLAG_IMMUTABLE or PendingIntent.FLAG_UPDATE_CURRENT
+            )
+        )
+
+    private val zeroSpeed: String = with(TrafficData.ZERO) {
+        formatSpeedString(rxString, txString)
+    }
+
+    fun buildNotification(serverName: String?, state: ProtocolState): Notification {
+        val speedString = if (state == CONNECTED) zeroSpeed else null
+
+        Log.d(TAG, "Build notification: $serverName, $state")
+
+        return notificationBuilder
+            .setSmallIcon(R.drawable.ic_amnezia_round)
+            .setContentTitle(serverName ?: "AmneziaVPN")
+            .setContentText(context.getString(state))
+            .setSubText(speedString)
+            .setWhen(System.currentTimeMillis())
+            .clearActions()
+            .apply {
+                getAction(state)?.let {
+                    addAction(it)
+                }
+            }
+            .build()
+    }
+
+    private fun buildNotification(speed: TrafficData): Notification =
+        notificationBuilder
+            .setWhen(System.currentTimeMillis())
+            .setSubText(getSpeedString(speed))
+            .build()
+
+    fun isNotificationEnabled(): Boolean {
+        if (!context.isNotificationPermissionGranted()) return false
+        if (!notificationManager.areNotificationsEnabled()) return false
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            return notificationManager.getNotificationChannel(NOTIFICATION_CHANNEL_ID)
+                ?.let { it.importance != NotificationManager.IMPORTANCE_NONE } ?: true
+        }
+        return true
+    }
+
+    @SuppressLint("MissingPermission")
+    fun updateNotification(serverName: String?, state: ProtocolState) {
+        if (context.isNotificationPermissionGranted()) {
+            Log.d(TAG, "Update notification: $serverName, $state")
+            notificationManager.notify(NOTIFICATION_ID, buildNotification(serverName, state))
+        }
+    }
+
+    @SuppressLint("MissingPermission")
+    fun updateSpeed(speed: TrafficData) {
+        if (context.isNotificationPermissionGranted()) {
+            notificationManager.notify(NOTIFICATION_ID, buildNotification(speed))
+        }
+    }
+
+    private fun getSpeedString(traffic: TrafficData) =
+        if (traffic == TrafficData.ZERO) zeroSpeed
+        else formatSpeedString(traffic.rxString, traffic.txString)
+
+    private fun formatSpeedString(rx: String, tx: String) = with(upDownSymbols) { "$first $rx  $second $tx" }
+
+    private fun getAction(state: ProtocolState): Action? {
+        return when (state) {
+            CONNECTED -> {
+                Action(
+                    0, context.getString(R.string.disconnect),
+                    PendingIntent.getBroadcast(
+                        context,
+                        DISCONNECT_REQUEST_CODE,
+                        Intent(ACTION_DISCONNECT).apply {
+                            setPackage("org.amnezia.vpn")
+                        },
+                        PendingIntent.FLAG_IMMUTABLE or PendingIntent.FLAG_UPDATE_CURRENT
+                    )
+                )
+            }
+
+            DISCONNECTED -> {
+                Action(
+                    0, context.getString(R.string.connect),
+                    createServicePendingIntent(
+                        context,
+                        CONNECT_REQUEST_CODE,
+                        Intent(context, AmneziaVpnService::class.java),
+                        PendingIntent.FLAG_IMMUTABLE or PendingIntent.FLAG_UPDATE_CURRENT
+                    )
+                )
+            }
+
+            else -> null
+        }
+    }
+
+    private val createServicePendingIntent: (Context, Int, Intent, Int) -> PendingIntent =
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            PendingIntent::getForegroundService
+        } else {
+            PendingIntent::getService
+        }
+
+    companion object {
+        fun createNotificationChannel(context: Context) {
+            with(NotificationManagerCompat.from(context)) {
+                deleteNotificationChannel(OLD_NOTIFICATION_CHANNEL_ID)
+                createNotificationChannel(
+                    Builder(NOTIFICATION_CHANNEL_ID, NotificationManagerCompat.IMPORTANCE_DEFAULT)
+                        .setShowBadge(false)
+                        .setSound(null, null)
+                        .setVibrationEnabled(false)
+                        .setLightsEnabled(false)
+                        .setName("AmneziaVPN")
+                        .setDescription(context.resources.getString(R.string.notificationChannelDescription))
+                        .build()
+                )
+            }
+        }
+    }
+}
+
+fun Context.isNotificationPermissionGranted(): Boolean =
+    Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU ||
+        ContextCompat.checkSelfPermission(this, permission.POST_NOTIFICATIONS) ==
+        PackageManager.PERMISSION_GRANTED

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

@@ -3,9 +3,7 @@ package org.amnezia.vpn
 import android.app.AlertDialog
 import android.app.KeyguardManager
 import android.content.BroadcastReceiver
-import android.content.Context
 import android.content.Intent
-import android.content.IntentFilter
 import android.content.res.Configuration.UI_MODE_NIGHT_MASK
 import android.content.res.Configuration.UI_MODE_NIGHT_YES
 import android.net.VpnService
@@ -33,11 +31,9 @@ class VpnRequestActivity : ComponentActivity() {
         val requestIntent = VpnService.prepare(applicationContext)
         if (requestIntent != null) {
             if (getSystemService<KeyguardManager>()!!.isKeyguardLocked) {
-                userPresentReceiver = object : BroadcastReceiver() {
-                    override fun onReceive(context: Context?, intent: Intent?) =
-                        requestLauncher.launch(requestIntent)
+                userPresentReceiver = registerBroadcastReceiver(Intent.ACTION_USER_PRESENT) {
+                    requestLauncher.launch(requestIntent)
                 }
-                registerReceiver(userPresentReceiver, IntentFilter(Intent.ACTION_USER_PRESENT))
             } else {
                 requestLauncher.launch(requestIntent)
             }
@@ -49,9 +45,8 @@ class VpnRequestActivity : ComponentActivity() {
     }
 
     override fun onDestroy() {
-        userPresentReceiver?.let {
-            unregisterReceiver(it)
-        }
+        unregisterBroadcastReceiver(userPresentReceiver)
+        userPresentReceiver = null
         super.onDestroy()
     }
 

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

@@ -4,6 +4,8 @@ import android.app.Application
 import androidx.datastore.core.MultiProcessDataStoreFactory
 import androidx.datastore.core.Serializer
 import androidx.datastore.dataStoreFile
+import java.io.ByteArrayInputStream
+import java.io.ByteArrayOutputStream
 import java.io.InputStream
 import java.io.ObjectInputStream
 import java.io.ObjectOutputStream
@@ -59,7 +61,8 @@ private class VpnStateSerializer : Serializer<VpnState> {
 
     override suspend fun readFrom(input: InputStream): VpnState {
         return withContext(Dispatchers.IO) {
-            ObjectInputStream(input).use {
+            val bios = ByteArrayInputStream(input.readBytes())
+            ObjectInputStream(bios).use {
                 it.readObject() as VpnState
             }
         }
@@ -67,9 +70,11 @@ private class VpnStateSerializer : Serializer<VpnState> {
 
     override suspend fun writeTo(t: VpnState, output: OutputStream) {
         withContext(Dispatchers.IO) {
-            ObjectOutputStream(output).use {
+            val baos = ByteArrayOutputStream()
+            ObjectOutputStream(baos).use {
                 it.writeObject(t)
             }
+            output.write(baos.toByteArray())
         }
     }
 }

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

@@ -17,6 +17,7 @@ object QtAndroidController {
     external fun onServiceError()
 
     external fun onVpnPermissionRejected()
+    external fun onNotificationStateChanged()
     external fun onVpnStateChanged(stateCode: Int)
     external fun onStatisticsUpdate(rxBytes: Long, txBytes: Long)
 

client/android/utils/build.gradle.kts

@@ -17,5 +17,7 @@ android {
 }
 
 dependencies {
+    implementation(libs.androidx.core)
+    implementation(libs.kotlinx.coroutines)
     implementation(libs.androidx.security.crypto)
 }

client/android/utils/src/main/kotlin/net/InetEndpoint.kt

@@ -1,16 +1,21 @@
 package org.amnezia.vpn.util.net
 
+import java.net.Inet4Address
 import java.net.InetAddress
 
 data class InetEndpoint(val address: InetAddress, val port: Int) {
 
-    override fun toString(): String = "${address.hostAddress}:$port"
+    override fun toString(): String = if (address is Inet4Address) {
+        "${address.ip}:$port"
+    } else {
+        "[${address.ip}]:$port"
+    }
 
     companion object {
         fun parse(data: String): InetEndpoint {
-            val split = data.split(":")
-            val address = parseInetAddress(split.first())
-            val port = split.last().toInt()
+            val i = data.lastIndexOf(':')
+            val address = parseInetAddress(data.substring(0, i))
+            val port = data.substring(i + 1).toInt()
             return InetEndpoint(address, port)
         }
     }

client/android/utils/src/main/kotlin/net/InetNetwork.kt

@@ -9,7 +9,11 @@ data class InetNetwork(val address: InetAddress, val mask: Int) {
 
     constructor(address: InetAddress) : this(address, address.maxPrefixLength)
 
-    override fun toString(): String = "${address.hostAddress}/$mask"
+    val isIpv4: Boolean = address is Inet4Address
+    val isIpv6: Boolean
+        get() = !isIpv4
+
+    override fun toString(): String = "${address.ip}/$mask"
 
     companion object {
         fun parse(data: String): InetNetwork {

client/android/utils/src/main/kotlin/net/IpAddress.kt

@@ -3,12 +3,17 @@ package org.amnezia.vpn.util.net
 import java.net.InetAddress
 
 @OptIn(ExperimentalUnsignedTypes::class)
-class IpAddress private constructor(private val address: UByteArray) : Comparable<IpAddress> {
+internal class IpAddress private constructor(private val address: UByteArray) : Comparable<IpAddress> {
 
     val size: Int = address.size
     val lastIndex: Int = address.lastIndex
     val maxMask: Int = size * 8
 
+    @OptIn(ExperimentalStdlibApi::class)
+    val hexFormat: HexFormat by lazy {
+        HexFormat { number.removeLeadingZeros = true }
+    }
+
     constructor(inetAddress: InetAddress) : this(inetAddress.address.asUByteArray())
 
     constructor(ipAddress: String) : this(parseInetAddress(ipAddress))
@@ -43,6 +48,8 @@ class IpAddress private constructor(private val address: UByteArray) : Comparabl
         return copy
     }
 
+    fun isMinIp(): Boolean = address.all { it == 0x00u.toUByte() }
+
     fun isMaxIp(): Boolean = address.all { it == 0xffu.toUByte() }
 
     override fun compareTo(other: IpAddress): Int {
@@ -74,12 +81,14 @@ class IpAddress private constructor(private val address: UByteArray) : Comparabl
     private fun toIpv6String(): String {
         val sb = StringBuilder()
         var i = 0
+        var block: Int
         while (i < size) {
-            sb.append(address[i++].toHexString())
-            sb.append(address[i++].toHexString())
+            block = address[i++].toInt() shl 8
+            block += address[i++].toInt()
+            sb.append(block.toHexString(hexFormat))
             sb.append(':')
         }
         sb.deleteAt(sb.lastIndex)
-        return sb.toString()
+        return convertIpv6ToCanonicalForm(sb.toString())
     }
 }

client/android/utils/src/main/kotlin/net/IpRange.kt

@@ -2,14 +2,24 @@ package org.amnezia.vpn.util.net
 
 import java.net.InetAddress
 
-class IpRange(private val start: IpAddress, private val end: IpAddress) : Comparable<IpRange> {
+class IpRange internal constructor(
+    internal val start: IpAddress,
+    internal val end: IpAddress
+) : Comparable<IpRange> {
 
     init {
-        if (start > end) throw IllegalArgumentException("Start IP: $start is greater then end IP: $end")
+        if (start.size != end.size) {
+            throw IllegalArgumentException(
+                "Unable to create a range between IPv4 and IPv6 addresses (start IP: [$start], end IP: [$end])"
+            )
+        }
+        if (start > end) throw IllegalArgumentException("Start IP: [$start] is greater then end IP: [$end]")
     }
 
     private constructor(addresses: Pair<IpAddress, IpAddress>) : this(addresses.first, addresses.second)
 
+    internal constructor(ipAddress: IpAddress) : this(ipAddress, ipAddress)
+
     constructor(inetAddress: InetAddress, mask: Int) : this(from(inetAddress, mask))
 
     constructor(address: String, mask: Int) : this(parseInetAddress(address), mask)
@@ -22,6 +32,13 @@ class IpRange(private val start: IpAddress, private val end: IpAddress) : Compar
     private fun isIntersect(other: IpRange): Boolean =
         (start <= other.end) && (end >= other.start)
 
+    operator fun plus(other: IpRange): IpRange? {
+        if (start > other.end && !start.isMinIp() && start.dec() == other.end) return IpRange(other.start, end)
+        if (end < other.start && !end.isMaxIp() && end.inc() == other.start) return IpRange(start, other.end)
+        if (!isIntersect(other)) return null
+        return IpRange(minOf(start, other.start), maxOf(end, other.end))
+    }
+
     operator fun minus(other: IpRange): List<IpRange>? {
         if (this in other) return emptyList()
         if (!isIntersect(other)) return null
@@ -94,9 +111,7 @@ class IpRange(private val start: IpAddress, private val end: IpAddress) : Compar
         return result
     }
 
-    override fun toString(): String {
-        return "$start - $end"
-    }
+    override fun toString(): String = if (start == end) "<$start>" else "<$start - $end>"
 
     companion object {
         private fun from(inetAddress: InetAddress, mask: Int): Pair<IpAddress, IpAddress> {

client/android/utils/src/main/kotlin/net/IpRangeSet.kt

@@ -1,15 +1,35 @@
 package org.amnezia.vpn.util.net
 
-class IpRangeSet(ipRange: IpRange = IpRange("0.0.0.0", 0)) {
+class IpRangeSet {
 
-    private val ranges = sortedSetOf(ipRange)
+    private val ranges = sortedSetOf<IpRange>()
+
+    fun add(ipRange: IpRange) {
+        val iterator = ranges.iterator()
+        var rangeToAdd = ipRange
+        run {
+            while (iterator.hasNext()) {
+                val curRange = iterator.next()
+                if (rangeToAdd.end < curRange.start &&
+                    !rangeToAdd.end.isMaxIp() &&
+                    rangeToAdd.end.inc() != curRange.start) break
+                (curRange + rangeToAdd)?.let { resultRange ->
+                    if (resultRange == curRange) return@run
+                    iterator.remove()
+                    rangeToAdd = resultRange
+                }
+            }
+            ranges += rangeToAdd
+        }
+    }
 
     fun remove(ipRange: IpRange) {
         val iterator = ranges.iterator()
         val splitRanges = mutableListOf<IpRange>()
         while (iterator.hasNext()) {
-            val range = iterator.next()
-            (range - ipRange)?.let { resultRanges ->
+            val curRange = iterator.next()
+            if (ipRange.end < curRange.start) break
+            (curRange - ipRange)?.let { resultRanges ->
                 iterator.remove()
                 splitRanges += resultRanges
             }
@@ -17,10 +37,7 @@ class IpRangeSet(ipRange: IpRange = IpRange("0.0.0.0", 0)) {
         ranges += splitRanges
     }
 
-    fun subnets(): List<InetNetwork> =
-        ranges.map(IpRange::subnets).flatten()
+    fun subnets(): List<InetNetwork> = ranges.map(IpRange::subnets).flatten()
 
-    override fun toString(): String {
-        return ranges.toString()
-    }
+    override fun toString(): String = ranges.toString()
 }

client/android/utils/src/main/kotlin/net/NetworkState.kt

@@ -10,7 +10,9 @@ import android.net.NetworkCapabilities.NET_CAPABILITY_VALIDATED
 import android.net.NetworkRequest
 import android.os.Build
 import android.os.Handler
+import androidx.core.content.getSystemService
 import kotlin.LazyThreadSafetyMode.NONE
+import kotlinx.coroutines.delay
 import org.amnezia.vpn.util.Log
 
 private const val TAG = "NetworkState"
@@ -28,7 +30,7 @@ class NetworkState(
     }
 
     private val connectivityManager: ConnectivityManager by lazy(NONE) {
-        context.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
+        context.getSystemService<ConnectivityManager>()!!
     }
 
     private val networkRequest: NetworkRequest by lazy(NONE) {
@@ -80,13 +82,24 @@ class NetworkState(
         }
     }
 
-    fun bindNetworkListener() {
+    suspend fun bindNetworkListener() {
         if (isListenerBound) return
         Log.d(TAG, "Bind network listener")
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
             connectivityManager.registerBestMatchingNetworkCallback(networkRequest, networkCallback, handler)
         } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-            connectivityManager.requestNetwork(networkRequest, networkCallback, handler)
+            try {
+                connectivityManager.requestNetwork(networkRequest, networkCallback, handler)
+            } catch (e: SecurityException) {
+                Log.e(TAG, "Failed to bind network listener: $e")
+                // Android 11 bug: https://issuetracker.google.com/issues/175055271
+                if (e.message?.startsWith("Package android does not belong to") == true) {
+                    delay(1000)
+                    connectivityManager.requestNetwork(networkRequest, networkCallback, handler)
+                } else {
+                    throw e
+                }
+            }
         } else {
             connectivityManager.requestNetwork(networkRequest, networkCallback)
         }

client/android/utils/src/main/kotlin/net/NetworkUtils.kt

@@ -5,12 +5,14 @@ import android.net.ConnectivityManager
 import android.net.InetAddresses
 import android.net.NetworkCapabilities
 import android.os.Build
+import androidx.core.content.getSystemService
+import java.lang.reflect.InvocationTargetException
 import java.net.Inet4Address
 import java.net.Inet6Address
 import java.net.InetAddress
 
 fun getLocalNetworks(context: Context, ipv6: Boolean): List<InetNetwork> {
-    val connectivityManager = context.getSystemService(ConnectivityManager::class.java)
+    val connectivityManager = context.getSystemService<ConnectivityManager>()!!
     connectivityManager.activeNetwork?.let { network ->
         val netCapabilities = connectivityManager.getNetworkCapabilities(network)
         val linkProperties = connectivityManager.getLinkProperties(network)
@@ -39,8 +41,28 @@ private val parseNumericAddressCompat: (String) -> InetAddress =
     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
         InetAddresses::parseNumericAddress
     } else {
-        val m = InetAddress::class.java.getMethod("parseNumericAddress", String::class.java)
-        fun(address: String): InetAddress {
-            return m.invoke(null, address) as InetAddress
+        try {
+            val m = InetAddress::class.java.getMethod("parseNumericAddress", String::class.java)
+            fun(address: String): InetAddress {
+                try {
+                    return m.invoke(null, address) as InetAddress
+                } catch (e: InvocationTargetException) {
+                    throw e.cause ?: e
+                }
+            }
+        } catch (_: NoSuchMethodException) {
+            fun(address: String): InetAddress {
+                return InetAddress.getByName(address)
+            }
         }
     }
+
+internal fun convertIpv6ToCanonicalForm(ipv6: String): String = ipv6
+    .replace("((?:(?:^|:)0+\\b){2,}):?(?!\\S*\\b\\1:0+\\b)(\\S*)".toRegex(), "::$2")
+
+internal val InetAddress.ip: String
+    get() = if (this is Inet4Address) {
+        hostAddress!!
+    } else {
+        convertIpv6ToCanonicalForm(hostAddress!!)
+    }

client/android/utils/src/main/kotlin/net/TrafficStats.kt

@@ -0,0 +1,93 @@
+package org.amnezia.vpn.util.net
+
+import android.net.TrafficStats
+import android.os.Build
+import android.os.Process
+import android.os.SystemClock
+import kotlin.math.roundToLong
+
+private const val BYTE = 1L
+private const val KiB = BYTE shl 10
+private const val MiB = KiB shl 10
+private const val GiB = MiB shl 10
+private const val TiB = GiB shl 10
+
+class TrafficStats {
+
+    private var lastTrafficData = TrafficData.ZERO
+    private var lastTimestamp = 0L
+
+    private val getTrafficDataCompat: () -> TrafficData =
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+            val iface = "tun0"
+            fun(): TrafficData {
+                return TrafficData(TrafficStats.getRxBytes(iface), TrafficStats.getTxBytes(iface))
+            }
+        } else {
+            val uid = Process.myUid()
+            fun(): TrafficData {
+                return TrafficData(TrafficStats.getUidRxBytes(uid), TrafficStats.getUidTxBytes(uid))
+            }
+        }
+
+    fun reset() {
+        lastTrafficData = getTrafficDataCompat()
+        lastTimestamp = SystemClock.elapsedRealtime()
+    }
+
+    fun isSupported(): Boolean =
+        lastTrafficData.rx != TrafficStats.UNSUPPORTED.toLong() && lastTrafficData.tx != TrafficStats.UNSUPPORTED.toLong()
+
+    fun getSpeed(): TrafficData {
+        val timestamp = SystemClock.elapsedRealtime()
+        val elapsedSeconds = (timestamp - lastTimestamp) / 1000.0
+        val trafficData = getTrafficDataCompat()
+        val speed = trafficData.diff(lastTrafficData, elapsedSeconds)
+        lastTrafficData = trafficData
+        lastTimestamp = timestamp
+        return speed
+    }
+
+    class TrafficData(val rx: Long, val tx: Long) {
+
+        private var _rxString: String? = null
+        val rxString: String
+            get() {
+                if (_rxString == null) _rxString = rx.speedToString()
+                return _rxString ?: throw AssertionError("Set to null by another thread")
+            }
+
+        private var _txString: String? = null
+        val txString: String
+            get() {
+                if (_txString == null) _txString = tx.speedToString()
+                return _txString ?: throw AssertionError("Set to null by another thread")
+            }
+
+        fun diff(other: TrafficData, elapsedSeconds: Double): TrafficData {
+            val rx = ((this.rx - other.rx) / elapsedSeconds).round()
+            val tx = ((this.tx - other.tx) / elapsedSeconds).round()
+            return if (rx == 0L && tx == 0L) ZERO else TrafficData(rx, tx)
+        }
+
+        private fun Double.round() = if (isNaN()) 0L else roundToLong()
+
+        private fun Long.speedToString() =
+            when {
+                this < KiB -> formatSize(this, BYTE, "B/s")
+                this < MiB -> formatSize(this, KiB, "KiB/s")
+                this < GiB -> formatSize(this, MiB, "MiB/s")
+                this < TiB -> formatSize(this, GiB, "GiB/s")
+                else -> formatSize(this, TiB, "TiB/s")
+            }
+
+        private fun formatSize(bytes: Long, divider: Long, unit: String): String {
+            val s = (bytes.toDouble() / divider * 100).roundToLong() / 100.0
+            return "${s.toString().removeSuffix(".0")} $unit"
+        }
+
+        companion object {
+            val ZERO: TrafficData = TrafficData(0L, 0L)
+        }
+    }
+}

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

@@ -37,8 +37,8 @@ open class WireguardConfig protected constructor(
 
     open fun appendPeerLine(sb: StringBuilder) = with(sb) {
         appendLine("public_key=$publicKeyHex")
-        routes.forEach { route ->
-            appendLine("allowed_ip=$route")
+        routes.filter { it.include }.forEach { route ->
+            appendLine("allowed_ip=${route.inetNetwork}")
         }
         appendLine("endpoint=$endpoint")
         if (persistentKeepalive != 0)

client/cmake/android.cmake

@@ -26,7 +26,6 @@ link_directories(${CMAKE_CURRENT_SOURCE_DIR}/platforms/android)
 
 set(HEADERS ${HEADERS}
     ${CMAKE_CURRENT_SOURCE_DIR}/platforms/android/android_controller.h
-    ${CMAKE_CURRENT_SOURCE_DIR}/platforms/android/android_notificationhandler.h
     ${CMAKE_CURRENT_SOURCE_DIR}/platforms/android/android_utils.h
     ${CMAKE_CURRENT_SOURCE_DIR}/platforms/android/authResultReceiver.h
     ${CMAKE_CURRENT_SOURCE_DIR}/protocols/android_vpnprotocol.h
@@ -35,7 +34,6 @@ set(HEADERS ${HEADERS}
 
 set(SOURCES ${SOURCES}
     ${CMAKE_CURRENT_SOURCE_DIR}/platforms/android/android_controller.cpp
-    ${CMAKE_CURRENT_SOURCE_DIR}/platforms/android/android_notificationhandler.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/platforms/android/android_utils.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/platforms/android/authResultReceiver.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/protocols/android_vpnprotocol.cpp

client/cmake/ios.cmake

@@ -46,7 +46,6 @@ set(SOURCES ${SOURCES}
     ${CMAKE_CURRENT_SOURCE_DIR}/platforms/ios/iosglue.mm
     ${CMAKE_CURRENT_SOURCE_DIR}/platforms/ios/QRCodeReaderBase.mm
     ${CMAKE_CURRENT_SOURCE_DIR}/platforms/ios/QtAppDelegate.mm
-    ${CMAKE_CURRENT_SOURCE_DIR}/platforms/ios/MobileUtils.mm
 )
 
 

client/configurators/awg_configurator.cpp

@@ -9,7 +9,7 @@ AwgConfigurator::AwgConfigurator(std::shared_ptr<Settings> settings, const QShar
 }
 
 QString AwgConfigurator::createConfig(const ServerCredentials &credentials, DockerContainer container, const QJsonObject &containerConfig,
-                                      ErrorCode errorCode)
+                                      ErrorCode &errorCode)
 {
     QString config = WireguardConfigurator::createConfig(credentials, container, containerConfig, errorCode);
 

client/configurators/awg_configurator.h

@@ -12,7 +12,7 @@ public:
     AwgConfigurator(std::shared_ptr<Settings> settings, const QSharedPointer<ServerController> &serverController, QObject *parent = nullptr);
 
     QString createConfig(const ServerCredentials &credentials, DockerContainer container,
-                         const QJsonObject &containerConfig, ErrorCode errorCode);
+                         const QJsonObject &containerConfig, ErrorCode &errorCode);
 };
 
 #endif // AWGCONFIGURATOR_H

client/configurators/cloak_configurator.cpp

@@ -13,7 +13,7 @@ CloakConfigurator::CloakConfigurator(std::shared_ptr<Settings> settings, const Q
 }
 
 QString CloakConfigurator::createConfig(const ServerCredentials &credentials, DockerContainer container, const QJsonObject &containerConfig,
-                                        ErrorCode errorCode)
+                                        ErrorCode &errorCode)
 {
     QString cloakPublicKey =
             m_serverController->getTextFileFromContainer(container, credentials, amnezia::protocols::cloak::ckPublicKeyPath, errorCode);

client/configurators/cloak_configurator.h

@@ -14,7 +14,7 @@ public:
     CloakConfigurator(std::shared_ptr<Settings> settings, const QSharedPointer<ServerController> &serverController, QObject *parent = nullptr);
 
     QString createConfig(const ServerCredentials &credentials, DockerContainer container,
-                         const QJsonObject &containerConfig, ErrorCode errorCode);
+                         const QJsonObject &containerConfig, ErrorCode &errorCode);
 };
 
 #endif // CLOAK_CONFIGURATOR_H

client/configurators/configurator_base.h

@@ -15,7 +15,7 @@ public:
     explicit ConfiguratorBase(std::shared_ptr<Settings> settings, const QSharedPointer<ServerController> &serverController, QObject *parent = nullptr);
 
     virtual QString createConfig(const ServerCredentials &credentials, DockerContainer container,
-                                 const QJsonObject &containerConfig, ErrorCode errorCode) = 0;
+                                 const QJsonObject &containerConfig, ErrorCode &errorCode) = 0;
 
     virtual QString processConfigWithLocalSettings(const QPair<QString, QString> &dns, const bool isApiConfig,
                                                    QString &protocolConfigString);

client/configurators/ikev2_configurator.cpp

@@ -20,7 +20,7 @@ Ikev2Configurator::Ikev2Configurator(std::shared_ptr<Settings> settings, const Q
 }
 
 Ikev2Configurator::ConnectionData Ikev2Configurator::prepareIkev2Config(const ServerCredentials &credentials, DockerContainer container,
-                                                                        ErrorCode errorCode)
+                                                                        ErrorCode &errorCode)
 {
     Ikev2Configurator::ConnectionData connData;
     connData.host = credentials.hostName;
@@ -55,7 +55,7 @@ Ikev2Configurator::ConnectionData Ikev2Configurator::prepareIkev2Config(const Se
 }
 
 QString Ikev2Configurator::createConfig(const ServerCredentials &credentials, DockerContainer container, const QJsonObject &containerConfig,
-                                        ErrorCode errorCode)
+                                        ErrorCode &errorCode)
 {
     Q_UNUSED(containerConfig)
 

client/configurators/ikev2_configurator.h

@@ -22,14 +22,14 @@ public:
     };
 
     QString createConfig(const ServerCredentials &credentials, DockerContainer container,
-                         const QJsonObject &containerConfig, ErrorCode errorCode);
+                         const QJsonObject &containerConfig, ErrorCode &errorCode);
 
     QString genIkev2Config(const ConnectionData &connData);
     QString genMobileConfig(const ConnectionData &connData);
     QString genStrongSwanConfig(const ConnectionData &connData);
 
     ConnectionData prepareIkev2Config(const ServerCredentials &credentials,
-        DockerContainer container, ErrorCode errorCode);
+        DockerContainer container, ErrorCode &errorCode);
 };
 
 #endif // IKEV2_CONFIGURATOR_H

client/configurators/openvpn_configurator.cpp

@@ -31,7 +31,7 @@ OpenVpnConfigurator::OpenVpnConfigurator(std::shared_ptr<Settings> settings, con
 }
 
 OpenVpnConfigurator::ConnectionData OpenVpnConfigurator::prepareOpenVpnConfig(const ServerCredentials &credentials,
-                                                                              DockerContainer container, ErrorCode errorCode)
+                                                                              DockerContainer container, ErrorCode &errorCode)
 {
     OpenVpnConfigurator::ConnectionData connData = OpenVpnConfigurator::createCertRequest();
     connData.host = credentials.hostName;
@@ -72,7 +72,7 @@ OpenVpnConfigurator::ConnectionData OpenVpnConfigurator::prepareOpenVpnConfig(co
 }
 
 QString OpenVpnConfigurator::createConfig(const ServerCredentials &credentials, DockerContainer container,
-                                          const QJsonObject &containerConfig, ErrorCode errorCode)
+                                          const QJsonObject &containerConfig, ErrorCode &errorCode)
 {
     QString config = m_serverController->replaceVars(amnezia::scriptData(ProtocolScriptType::openvpn_template, container),
                                                      m_serverController->genVarsForScript(credentials, container, containerConfig));

client/configurators/openvpn_configurator.h

@@ -25,7 +25,7 @@ public:
     };
 
     QString createConfig(const ServerCredentials &credentials, DockerContainer container,
-                         const QJsonObject &containerConfig, ErrorCode errorCode);
+                         const QJsonObject &containerConfig, ErrorCode &errorCode);
 
     QString processConfigWithLocalSettings(const QPair<QString, QString> &dns, const bool isApiConfig,
                                            QString &protocolConfigString);
@@ -36,7 +36,7 @@ public:
 
 private:
     ConnectionData prepareOpenVpnConfig(const ServerCredentials &credentials, DockerContainer container,
-                                        ErrorCode errorCode);
+                                        ErrorCode &errorCode);
     ErrorCode signCert(DockerContainer container, const ServerCredentials &credentials, QString clientId);
 };
 

client/configurators/shadowsocks_configurator.cpp

@@ -14,7 +14,7 @@ ShadowSocksConfigurator::ShadowSocksConfigurator(std::shared_ptr<Settings> setti
 }
 
 QString ShadowSocksConfigurator::createConfig(const ServerCredentials &credentials, DockerContainer container,
-                                              const QJsonObject &containerConfig, ErrorCode errorCode)
+                                              const QJsonObject &containerConfig, ErrorCode &errorCode)
 {
     QString ssKey =
             m_serverController->getTextFileFromContainer(container, credentials, amnezia::protocols::shadowsocks::ssKeyPath, errorCode);

client/configurators/shadowsocks_configurator.h

@@ -13,7 +13,7 @@ public:
     ShadowSocksConfigurator(std::shared_ptr<Settings> settings, const QSharedPointer<ServerController> &serverController, QObject *parent = nullptr);
 
     QString createConfig(const ServerCredentials &credentials, DockerContainer container,
-                         const QJsonObject &containerConfig, ErrorCode errorCode);
+                         const QJsonObject &containerConfig, ErrorCode &errorCode);
 };
 
 #endif // SHADOWSOCKS_CONFIGURATOR_H

client/configurators/wireguard_configurator.cpp

@@ -65,7 +65,7 @@ WireguardConfigurator::ConnectionData WireguardConfigurator::genClientKeys()
 
 WireguardConfigurator::ConnectionData WireguardConfigurator::prepareWireguardConfig(const ServerCredentials &credentials,
                                                                                     DockerContainer container,
-                                                                                    const QJsonObject &containerConfig, ErrorCode errorCode)
+                                                                                    const QJsonObject &containerConfig, ErrorCode &errorCode)
 {
     WireguardConfigurator::ConnectionData connData = WireguardConfigurator::genClientKeys();
     connData.host = credentials.hostName;
@@ -158,7 +158,7 @@ WireguardConfigurator::ConnectionData WireguardConfigurator::prepareWireguardCon
 }
 
 QString WireguardConfigurator::createConfig(const ServerCredentials &credentials, DockerContainer container,
-                                            const QJsonObject &containerConfig, ErrorCode errorCode)
+                                            const QJsonObject &containerConfig, ErrorCode &errorCode)
 {
     QString scriptData = amnezia::scriptData(m_configTemplate, container);
     QString config =

client/configurators/wireguard_configurator.h

@@ -27,7 +27,7 @@ public:
     };
 
     QString createConfig(const ServerCredentials &credentials, DockerContainer container, const QJsonObject &containerConfig,
-                         ErrorCode errorCode);
+                         ErrorCode &errorCode);
 
     QString processConfigWithLocalSettings(const QPair<QString, QString> &dns, const bool isApiConfig, QString &protocolConfigString);
     QString processConfigWithExportSettings(const QPair<QString, QString> &dns, const bool isApiConfig, QString &protocolConfigString);
@@ -36,7 +36,7 @@ public:
 
 private:
     ConnectionData prepareWireguardConfig(const ServerCredentials &credentials, DockerContainer container,
-                                          const QJsonObject &containerConfig, ErrorCode errorCode);
+                                          const QJsonObject &containerConfig, ErrorCode &errorCode);
 
     bool m_isAwg;
     QString m_serverConfigPath;

client/configurators/xray_configurator.cpp

@@ -14,7 +14,7 @@ XrayConfigurator::XrayConfigurator(std::shared_ptr<Settings> settings, const QSh
 }
 
 QString XrayConfigurator::createConfig(const ServerCredentials &credentials, DockerContainer container, const QJsonObject &containerConfig,
-                                       ErrorCode errorCode)
+                                       ErrorCode &errorCode)
 {
     QString config = m_serverController->replaceVars(amnezia::scriptData(ProtocolScriptType::xray_template, container),
                                                      m_serverController->genVarsForScript(credentials, container, containerConfig));

client/configurators/xray_configurator.h

@@ -13,7 +13,7 @@ public:
     XrayConfigurator(std::shared_ptr<Settings> settings, const QSharedPointer<ServerController> &serverController, QObject *parent = nullptr);
 
     QString createConfig(const ServerCredentials &credentials, DockerContainer container, const QJsonObject &containerConfig,
-                         ErrorCode errorCode);
+                         ErrorCode &errorCode);
 };
 
 #endif // XRAY_CONFIGURATOR_H

client/core/controllers/apiController.cpp

@@ -5,7 +5,9 @@
 #include <QNetworkReply>
 #include <QtConcurrent>
 
+#include "amnezia_application.h"
 #include "configurators/wireguard_configurator.h"
+#include "version.h"
 
 namespace
 {
@@ -19,7 +21,10 @@ namespace
         constexpr char certificate[] = "certificate";
         constexpr char publicKey[] = "public_key";
         constexpr char protocol[] = "protocol";
+
         constexpr char uuid[] = "installation_uuid";
+        constexpr char osVersion[] = "os_version";
+        constexpr char appVersion[] = "app_version";
     }
 }
 
@@ -27,8 +32,7 @@ ApiController::ApiController(QObject *parent) : QObject(parent)
 {
 }
 
-void ApiController::processApiConfig(const QString &protocol, const ApiController::ApiPayloadData &apiPayloadData,
-                                     QString &config)
+void ApiController::processApiConfig(const QString &protocol, const ApiController::ApiPayloadData &apiPayloadData, QString &config)
 {
     if (protocol == configKey::cloak) {
         config.replace("<key>", "<key>\n");
@@ -61,53 +65,52 @@ QJsonObject ApiController::fillApiPayload(const QString &protocol, const ApiCont
     } else if (protocol == configKey::awg) {
         obj[configKey::publicKey] = apiPayloadData.wireGuardClientPubKey;
     }
+
+    obj[configKey::osVersion] = QSysInfo::productType();
+    obj[configKey::appVersion] = QString(APP_VERSION);
+
     return obj;
 }
 
-ErrorCode ApiController::updateServerConfigFromApi(const QString &installationUuid, QJsonObject &serverConfig)
+void ApiController::updateServerConfigFromApi(const QString &installationUuid, const int serverIndex, QJsonObject serverConfig)
 {
-    QFutureWatcher<ErrorCode> watcher;
+#ifdef Q_OS_IOS
+    IosController::Instance()->requestInetAccess();
+    QThread::msleep(10);
+#endif
 
-    QFuture<ErrorCode> future = QtConcurrent::run([this, &serverConfig, &installationUuid]() {
-        auto containerConfig = serverConfig.value(config_key::containers).toArray();
+    auto containerConfig = serverConfig.value(config_key::containers).toArray();
 
-        if (serverConfig.value(config_key::configVersion).toInt()) {
-            QNetworkAccessManager manager;
+    if (serverConfig.value(config_key::configVersion).toInt()) {
+        QNetworkRequest request;
+        request.setTransferTimeout(7000);
+        request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
+        request.setRawHeader("Authorization", "Api-Key " + serverConfig.value(configKey::accessToken).toString().toUtf8());
+        QString endpoint = serverConfig.value(configKey::apiEdnpoint).toString();
+        request.setUrl(endpoint);
 
-            QNetworkRequest request;
-            request.setTransferTimeout(7000);
-            request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
-            request.setRawHeader("Authorization",
-                                 "Api-Key " + serverConfig.value(configKey::accessToken).toString().toUtf8());
-            QString endpoint = serverConfig.value(configKey::apiEdnpoint).toString();
-            request.setUrl(endpoint);
+        QString protocol = serverConfig.value(configKey::protocol).toString();
 
-            QString protocol = serverConfig.value(configKey::protocol).toString();
+        ApiPayloadData apiPayloadData = generateApiPayloadData(protocol);
 
-            auto apiPayloadData = generateApiPayloadData(protocol);
+        QJsonObject apiPayload = fillApiPayload(protocol, apiPayloadData);
+        apiPayload[configKey::uuid] = installationUuid;
 
-            auto apiPayload = fillApiPayload(protocol, apiPayloadData);
-            apiPayload[configKey::uuid] = installationUuid;
+        QByteArray requestBody = QJsonDocument(apiPayload).toJson();
 
-            QByteArray requestBody = QJsonDocument(apiPayload).toJson();
-
-            QScopedPointer<QNetworkReply> reply;
-            reply.reset(manager.post(request, requestBody));
-
-            QEventLoop wait;
-            QObject::connect(reply.get(), &QNetworkReply::finished, &wait, &QEventLoop::quit);
-            wait.exec();
+        QNetworkReply *reply = amnApp->manager()->post(request, requestBody); // ??
 
+        QObject::connect(reply, &QNetworkReply::finished, [this, reply, protocol, apiPayloadData, serverIndex, serverConfig]() mutable {
             if (reply->error() == QNetworkReply::NoError) {
                 QString contents = QString::fromUtf8(reply->readAll());
-                auto data = QJsonDocument::fromJson(contents.toUtf8()).object().value(config_key::config).toString();
+                QString data = QJsonDocument::fromJson(contents.toUtf8()).object().value(config_key::config).toString();
 
                 data.replace("vpn://", "");
-                QByteArray ba = QByteArray::fromBase64(data.toUtf8(),
-                                                       QByteArray::Base64UrlEncoding | QByteArray::OmitTrailingEquals);
+                QByteArray ba = QByteArray::fromBase64(data.toUtf8(), QByteArray::Base64UrlEncoding | QByteArray::OmitTrailingEquals);
 
                 if (ba.isEmpty()) {
-                    return ErrorCode::ApiConfigDownloadError;
+                    emit errorOccurred(ErrorCode::ApiConfigEmptyError);
+                    return;
                 }
 
                 QByteArray ba_uncompressed = qUncompress(ba);
@@ -119,30 +122,37 @@ ErrorCode ApiController::updateServerConfigFromApi(const QString &installationUu
                 processApiConfig(protocol, apiPayloadData, configStr);
 
                 QJsonObject apiConfig = QJsonDocument::fromJson(configStr.toUtf8()).object();
-
-                serverConfig.insert(config_key::dns1, apiConfig.value(config_key::dns1));
-                serverConfig.insert(config_key::dns2, apiConfig.value(config_key::dns2));
-                serverConfig.insert(config_key::containers, apiConfig.value(config_key::containers));
-                serverConfig.insert(config_key::hostName, apiConfig.value(config_key::hostName));
+                serverConfig[config_key::dns1] = apiConfig.value(config_key::dns1);
+                serverConfig[config_key::dns2] = apiConfig.value(config_key::dns2);
+                serverConfig[config_key::containers] = apiConfig.value(config_key::containers);
+                serverConfig[config_key::hostName] = apiConfig.value(config_key::hostName);
 
                 auto defaultContainer = apiConfig.value(config_key::defaultContainer).toString();
-                serverConfig.insert(config_key::defaultContainer, defaultContainer);
+                serverConfig[config_key::defaultContainer] = defaultContainer;
+
+                emit configUpdated(true, serverConfig, serverIndex);
             } else {
-                QString err = reply->errorString();
-                qDebug() << QString::fromUtf8(reply->readAll());
-                qDebug() << reply->error();
-                qDebug() << err;
-                qDebug() << reply->attribute(QNetworkRequest::HttpStatusCodeAttribute);
-                return ErrorCode::ApiConfigDownloadError;
+                if (reply->error() == QNetworkReply::NetworkError::OperationCanceledError
+                    || reply->error() == QNetworkReply::NetworkError::TimeoutError) {
+                    emit errorOccurred(ErrorCode::ApiConfigTimeoutError);
+                } else {
+                    QString err = reply->errorString();
+                    qDebug() << QString::fromUtf8(reply->readAll());
+                    qDebug() << reply->error();
+                    qDebug() << err;
+                    qDebug() << reply->attribute(QNetworkRequest::HttpStatusCodeAttribute);
+                    emit errorOccurred(ErrorCode::ApiConfigDownloadError);
+                }
             }
-        }
-        return ErrorCode::NoError;
-    });
 
-    QEventLoop wait;
-    connect(&watcher, &QFutureWatcher<ErrorCode>::finished, &wait, &QEventLoop::quit);
-    watcher.setFuture(future);
-    wait.exec();
+            reply->deleteLater();
+        });
 
-    return watcher.result();
+        QObject::connect(reply, &QNetworkReply::errorOccurred,
+                         [this, reply](QNetworkReply::NetworkError error) { qDebug() << reply->errorString() << error; });
+        connect(reply, &QNetworkReply::sslErrors, [this, reply](const QList<QSslError> &errors) {
+            qDebug().noquote() << errors;
+            emit errorOccurred(ErrorCode::ApiConfigSslError);
+        });
+    }
 }

client/core/controllers/apiController.h

@@ -5,6 +5,10 @@
 
 #include "configurators/openvpn_configurator.h"
 
+#ifdef Q_OS_IOS
+    #include "platforms/ios/ios_controller.h"
+#endif
+
 class ApiController : public QObject
 {
     Q_OBJECT
@@ -13,10 +17,15 @@ public:
     explicit ApiController(QObject *parent = nullptr);
 
 public slots:
-    ErrorCode updateServerConfigFromApi(const QString &installationUuid, QJsonObject &serverConfig);
+    void updateServerConfigFromApi(const QString &installationUuid, const int serverIndex, QJsonObject serverConfig);
+
+signals:
+    void errorOccurred(ErrorCode errorCode);
+    void configUpdated(const bool updateConfig, const QJsonObject &config, const int serverIndex);
 
 private:
-    struct ApiPayloadData {
+    struct ApiPayloadData
+    {
         OpenVpnConfigurator::ConnectionData certRequest;
 
         QString wireGuardClientPrivKey;

client/core/controllers/serverController.cpp

@@ -173,7 +173,7 @@ ErrorCode ServerController::uploadTextFileToContainer(DockerContainer container,
 }
 
 QByteArray ServerController::getTextFileFromContainer(DockerContainer container, const ServerCredentials &credentials, const QString &path,
-                                                      ErrorCode errorCode)
+                                                      ErrorCode &errorCode)
 {
 
     errorCode = ErrorCode::NoError;
@@ -618,7 +618,7 @@ ServerController::Vars ServerController::genVarsForScript(const ServerCredential
     return vars;
 }
 
-QString ServerController::checkSshConnection(const ServerCredentials &credentials, ErrorCode errorCode)
+QString ServerController::checkSshConnection(const ServerCredentials &credentials, ErrorCode &errorCode)
 {
     QString stdOut;
     auto cbReadStdOut = [&](const QString &data, libssh::Client &) {

client/core/controllers/serverController.h

@@ -36,7 +36,7 @@ public:
                                         const QString &path,
                                         libssh::ScpOverwriteMode overwriteMode = libssh::ScpOverwriteMode::ScpOverwriteExisting);
     QByteArray getTextFileFromContainer(DockerContainer container, const ServerCredentials &credentials, const QString &path,
-                                        ErrorCode errorCode);
+                                        ErrorCode &errorCode);
 
     QString replaceVars(const QString &script, const Vars &vars);
     Vars genVarsForScript(const ServerCredentials &credentials, DockerContainer container = DockerContainer::None,
@@ -50,7 +50,7 @@ public:
                                  const std::function<ErrorCode(const QString &, libssh::Client &)> &cbReadStdOut = nullptr,
                                  const std::function<ErrorCode(const QString &, libssh::Client &)> &cbReadStdErr = nullptr);
 
-    QString checkSshConnection(const ServerCredentials &credentials, ErrorCode errorCode);
+    QString checkSshConnection(const ServerCredentials &credentials, ErrorCode &errorCode);
 
     void cancelInstallation();
 

client/core/controllers/vpnConfigurationController.cpp

@@ -77,7 +77,7 @@ ErrorCode VpnConfigurationsController::createProtocolConfigString(const bool isA
 
 QJsonObject VpnConfigurationsController::createVpnConfiguration(const QPair<QString, QString> &dns, const QJsonObject &serverConfig,
                                                                 const QJsonObject &containerConfig, const DockerContainer container,
-                                                                ErrorCode errorCode)
+                                                                ErrorCode &errorCode)
 {
     QJsonObject vpnConfiguration {};
 

client/core/controllers/vpnConfigurationController.h

@@ -21,7 +21,7 @@ public slots:
                                          const DockerContainer container, const QJsonObject &containerConfig, const Proto protocol,
                                          QString &protocolConfigString);
     QJsonObject createVpnConfiguration(const QPair<QString, QString> &dns, const QJsonObject &serverConfig,
-                                       const QJsonObject &containerConfig, const DockerContainer container, ErrorCode errorCode);
+                                       const QJsonObject &containerConfig, const DockerContainer container, ErrorCode &errorCode);
 
     static void updateContainerConfigAfterInstallation(const DockerContainer container, QJsonObject &containerConfig, const QString &stdOut);
 signals:

client/core/defs.h

@@ -36,12 +36,17 @@ namespace amnezia
         }
     };
 
-    enum ErrorCode {
+    namespace error_code_ns
+    {
+      Q_NAMESPACE
+      // TODO: change to enum class
+      enum ErrorCode {
         // General error codes
         NoError = 0,
         UnknownError = 100,
         InternalError = 101,
         NotImplementedError = 102,
+        AmneziaServiceNotRunning = 103,
 
         // Server errors
         ServerCheckFailed = 200,
@@ -74,7 +79,7 @@ namespace amnezia
         AmneziaServiceConnectionFailed = 603,
         ExecutableMissing = 604,
         XrayExecutableMissing = 605,
-        Tun2SockExecutableMissing = 606,        
+        Tun2SockExecutableMissing = 606,
 
         // VPN errors
         OpenVpnAdaptersInUseError = 700,
@@ -98,6 +103,9 @@ namespace amnezia
         // Api errors
         ApiConfigDownloadError = 1100,
         ApiConfigAlreadyAdded = 1101,
+        ApiConfigEmptyError = 1102,
+        ApiConfigTimeoutError = 1103,
+        ApiConfigSslError = 1104,
 
         // QFile errors
         OpenError = 1200,
@@ -106,7 +114,11 @@ namespace amnezia
         UnspecifiedError = 1203,
         FatalError = 1204,
         AbortError = 1205
-    };
+      };
+      Q_ENUM_NS(ErrorCode)
+    }
+
+    using ErrorCode = error_code_ns::ErrorCode;
 
 } // namespace amnezia
 

client/core/errorstrings.cpp

@@ -8,64 +8,68 @@ QString errorString(ErrorCode code) {
     switch (code) {
 
     // General error codes
-    case(NoError): errorMessage = QObject::tr("No error"); break;
-    case(UnknownError): errorMessage = QObject::tr("Unknown Error"); break;
-    case(NotImplementedError): errorMessage = QObject::tr("Function not implemented"); break;
+    case(ErrorCode::NoError): errorMessage = QObject::tr("No error"); break;
+    case(ErrorCode::UnknownError): errorMessage = QObject::tr("Unknown Error"); break;
+    case(ErrorCode::NotImplementedError): errorMessage = QObject::tr("Function not implemented"); break;
+    case(ErrorCode::AmneziaServiceNotRunning): errorMessage = QObject::tr("Background service is not running"); break;
 
     // Server errors
-    case(ServerCheckFailed): errorMessage = QObject::tr("Server check failed"); break;
-    case(ServerPortAlreadyAllocatedError): errorMessage = QObject::tr("Server port already used. Check for another software"); break;
-    case(ServerContainerMissingError): errorMessage = QObject::tr("Server error: Docker container missing"); break;
-    case(ServerDockerFailedError): errorMessage = QObject::tr("Server error: Docker failed"); break;
-    case(ServerCancelInstallation): errorMessage = QObject::tr("Installation canceled by user"); break;
-    case(ServerUserNotInSudo): errorMessage = QObject::tr("The user does not have permission to use sudo"); break;
-    case(ServerPacketManagerError): errorMessage = QObject::tr("Server error: Packet manager error"); break;
+    case(ErrorCode::ServerCheckFailed): errorMessage = QObject::tr("Server check failed"); break;
+    case(ErrorCode::ServerPortAlreadyAllocatedError): errorMessage = QObject::tr("Server port already used. Check for another software"); break;
+    case(ErrorCode::ServerContainerMissingError): errorMessage = QObject::tr("Server error: Docker container missing"); break;
+    case(ErrorCode::ServerDockerFailedError): errorMessage = QObject::tr("Server error: Docker failed"); break;
+    case(ErrorCode::ServerCancelInstallation): errorMessage = QObject::tr("Installation canceled by user"); break;
+    case(ErrorCode::ServerUserNotInSudo): errorMessage = QObject::tr("The user does not have permission to use sudo"); break;
+    case(ErrorCode::ServerPacketManagerError): errorMessage = QObject::tr("Server error: Packet manager error"); break;
 
     // Libssh errors
-    case(SshRequestDeniedError): errorMessage = QObject::tr("Ssh request was denied"); break;
-    case(SshInterruptedError): errorMessage = QObject::tr("Ssh request was interrupted"); break;
-    case(SshInternalError): errorMessage = QObject::tr("Ssh internal error"); break;
-    case(SshPrivateKeyError): errorMessage = QObject::tr("Invalid private key or invalid passphrase entered"); break;
-    case(SshPrivateKeyFormatError): errorMessage = QObject::tr("The selected private key format is not supported, use openssh ED25519 key types or PEM key types"); break;
-    case(SshTimeoutError): errorMessage = QObject::tr("Timeout connecting to server"); break;
+    case(ErrorCode::SshRequestDeniedError): errorMessage = QObject::tr("Ssh request was denied"); break;
+    case(ErrorCode::SshInterruptedError): errorMessage = QObject::tr("Ssh request was interrupted"); break;
+    case(ErrorCode::SshInternalError): errorMessage = QObject::tr("Ssh internal error"); break;
+    case(ErrorCode::SshPrivateKeyError): errorMessage = QObject::tr("Invalid private key or invalid passphrase entered"); break;
+    case(ErrorCode::SshPrivateKeyFormatError): errorMessage = QObject::tr("The selected private key format is not supported, use openssh ED25519 key types or PEM key types"); break;
+    case(ErrorCode::SshTimeoutError): errorMessage = QObject::tr("Timeout connecting to server"); break;
 
     // Ssh scp errors
-    case(SshScpFailureError): errorMessage = QObject::tr("Scp error: Generic failure"); break;
+    case(ErrorCode::SshScpFailureError): errorMessage = QObject::tr("Scp error: Generic failure"); break;
 
     // Local errors
-    case (OpenVpnConfigMissing): errorMessage = QObject::tr("OpenVPN config missing"); break;
-    case (OpenVpnManagementServerError): errorMessage = QObject::tr("OpenVPN management server error"); break;
+    case (ErrorCode::OpenVpnConfigMissing): errorMessage = QObject::tr("OpenVPN config missing"); break;
+    case (ErrorCode::OpenVpnManagementServerError): errorMessage = QObject::tr("OpenVPN management server error"); break;
 
     // Distro errors
-    case (OpenVpnExecutableMissing): errorMessage = QObject::tr("OpenVPN executable missing"); break;
-    case (ShadowSocksExecutableMissing): errorMessage = QObject::tr("ShadowSocks (ss-local) executable missing"); break;
-    case (CloakExecutableMissing): errorMessage = QObject::tr("Cloak (ck-client) executable missing"); break;
-    case (AmneziaServiceConnectionFailed): errorMessage = QObject::tr("Amnezia helper service error"); break;
-    case (OpenSslFailed): errorMessage = QObject::tr("OpenSSL failed"); break;
+    case (ErrorCode::OpenVpnExecutableMissing): errorMessage = QObject::tr("OpenVPN executable missing"); break;
+    case (ErrorCode::ShadowSocksExecutableMissing): errorMessage = QObject::tr("ShadowSocks (ss-local) executable missing"); break;
+    case (ErrorCode::CloakExecutableMissing): errorMessage = QObject::tr("Cloak (ck-client) executable missing"); break;
+    case (ErrorCode::AmneziaServiceConnectionFailed): errorMessage = QObject::tr("Amnezia helper service error"); break;
+    case (ErrorCode::OpenSslFailed): errorMessage = QObject::tr("OpenSSL failed"); break;
 
     // VPN errors
-    case (OpenVpnAdaptersInUseError): errorMessage = QObject::tr("Can't connect: another VPN connection is active"); break;
-    case (OpenVpnTapAdapterError): errorMessage = QObject::tr("Can't setup OpenVPN TAP network adapter"); break;
-    case (AddressPoolError): errorMessage = QObject::tr("VPN pool error: no available addresses"); break;
+    case (ErrorCode::OpenVpnAdaptersInUseError): errorMessage = QObject::tr("Can't connect: another VPN connection is active"); break;
+    case (ErrorCode::OpenVpnTapAdapterError): errorMessage = QObject::tr("Can't setup OpenVPN TAP network adapter"); break;
+    case (ErrorCode::AddressPoolError): errorMessage = QObject::tr("VPN pool error: no available addresses"); break;
 
-    case (ImportInvalidConfigError): errorMessage = QObject::tr("The config does not contain any containers and credentials for connecting to the server"); break;
+    case (ErrorCode::ImportInvalidConfigError): errorMessage = QObject::tr("The config does not contain any containers and credentials for connecting to the server"); break;
 
     // Android errors
-    case (AndroidError): errorMessage = QObject::tr("VPN connection error"); break;
+    case (ErrorCode::AndroidError): errorMessage = QObject::tr("VPN connection error"); break;
 
     // Api errors
-    case (ApiConfigDownloadError): errorMessage = QObject::tr("Error when retrieving configuration from API"); break;
-    case (ApiConfigAlreadyAdded): errorMessage = QObject::tr("This config has already been added to the application"); break;
-
+    case (ErrorCode::ApiConfigDownloadError): errorMessage = QObject::tr("Error when retrieving configuration from API"); break;
+    case (ErrorCode::ApiConfigAlreadyAdded): errorMessage = QObject::tr("This config has already been added to the application"); break;
+    case (ErrorCode::ApiConfigEmptyError): errorMessage = QObject::tr("In the response from the server, an empty config was received"); break;
+    case (ErrorCode::ApiConfigSslError): errorMessage = QObject::tr("SSL error occurred"); break;
+    case (ErrorCode::ApiConfigTimeoutError): errorMessage = QObject::tr("Server response timeout on api request"); break;
+      
     // QFile errors
-    case(OpenError): errorMessage = QObject::tr("QFile error: The file could not be opened"); break;
-    case(ReadError): errorMessage = QObject::tr("QFile error: An error occurred when reading from the file"); break;
-    case(PermissionsError): errorMessage = QObject::tr("QFile error: The file could not be accessed"); break;
-    case(UnspecifiedError): errorMessage =  QObject::tr("QFile error: An unspecified error occurred"); break;
-    case(FatalError): errorMessage =  QObject::tr("QFile error: A fatal error occurred"); break;
-    case(AbortError): errorMessage =  QObject::tr("QFile error: The operation was aborted"); break;
+    case(ErrorCode::OpenError): errorMessage = QObject::tr("QFile error: The file could not be opened"); break;
+    case(ErrorCode::ReadError): errorMessage = QObject::tr("QFile error: An error occurred when reading from the file"); break;
+    case(ErrorCode::PermissionsError): errorMessage = QObject::tr("QFile error: The file could not be accessed"); break;
+    case(ErrorCode::UnspecifiedError): errorMessage =  QObject::tr("QFile error: An unspecified error occurred"); break;
+    case(ErrorCode::FatalError): errorMessage =  QObject::tr("QFile error: A fatal error occurred"); break;
+    case(ErrorCode::AbortError): errorMessage =  QObject::tr("QFile error: The operation was aborted"); break;
 
-    case(InternalError):
+    case(ErrorCode::InternalError):
     default:
         errorMessage = QObject::tr("Internal error"); break;
     }

client/ios/app/Info.plist.in

@@ -51,6 +51,13 @@
 	<true/>
 	<key>NSCameraUsageDescription</key>
 	<string>Amnezia VPN needs access to the camera for reading QR-codes.</string>
+	<key>NSAppTransportSecurity</key>
+	<dict>
+		<key>NSAllowsArbitraryLoads</key>
+		<false/>
+		<key>NSAllowsLocalNetworking</key>
+		<true/>
+	</dict>
 	<key>CFBundleIcons</key>
         <dict/>
         <key>CFBundleIcons~ipad</key>

client/main.cpp

@@ -64,6 +64,7 @@ int main(int argc, char *argv[])
 
         qInfo().noquote() << QString("Started %1 version %2 %3").arg(APPLICATION_NAME, APP_VERSION, GIT_COMMIT_HASH);
         qInfo().noquote() << QString("%1 (%2)").arg(QSysInfo::prettyProductName(), QSysInfo::currentCpuArchitecture());
+        qInfo().noquote() << QString("SSL backend: %1").arg(QSslSocket::sslLibraryVersionString());
 
         return app.exec();
     }

client/platforms/android/android_controller.cpp

@@ -93,6 +93,7 @@ bool AndroidController::initialize()
         {"onServiceDisconnected", "()V", reinterpret_cast<void *>(onServiceDisconnected)},
         {"onServiceError", "()V", reinterpret_cast<void *>(onServiceError)},
         {"onVpnPermissionRejected", "()V", reinterpret_cast<void *>(onVpnPermissionRejected)},
+        {"onNotificationStateChanged", "()V", reinterpret_cast<void *>(onNotificationStateChanged)},
         {"onVpnStateChanged", "(I)V", reinterpret_cast<void *>(onVpnStateChanged)},
         {"onStatisticsUpdate", "(JJ)V", reinterpret_cast<void *>(onStatisticsUpdate)},
         {"onFileOpened", "(Ljava/lang/String;)V", reinterpret_cast<void *>(onFileOpened)},
@@ -135,7 +136,7 @@ ErrorCode AndroidController::start(const QJsonObject &vpnConfig)
     callActivityMethod("start", "(Ljava/lang/String;)V",
                        QJniObject::fromString(config).object<jstring>());
 
-    return NoError;
+    return ErrorCode::NoError;
 }
 
 void AndroidController::stop()
@@ -173,14 +174,6 @@ QString AndroidController::openFile(const QString &filter)
     return fileName;
 }
 
-void AndroidController::setNotificationText(const QString &title, const QString &message, int timerSec)
-{
-    callActivityMethod("setNotificationText", "(Ljava/lang/String;Ljava/lang/String;I)V",
-                       QJniObject::fromString(title).object<jstring>(),
-                       QJniObject::fromString(message).object<jstring>(),
-                       (jint) timerSec);
-}
-
 bool AndroidController::isCameraPresent()
 {
     return callActivityMethod<jboolean>("isCameraPresent", "()Z");
@@ -257,6 +250,16 @@ QPixmap AndroidController::getAppIcon(const QString &package, QSize *size, const
     return QPixmap::fromImage(image);
 }
 
+bool AndroidController::isNotificationPermissionGranted()
+{
+    return callActivityMethod<jboolean>("isNotificationPermissionGranted", "()Z");
+}
+
+void AndroidController::requestNotificationPermission()
+{
+    callActivityMethod("requestNotificationPermission", "()V");
+}
+
 // Moving log processing to the Android side
 jclass AndroidController::log;
 jmethodID AndroidController::logDebug;
@@ -409,6 +412,15 @@ void AndroidController::onVpnPermissionRejected(JNIEnv *env, jobject thiz)
     emit AndroidController::instance()->vpnPermissionRejected();
 }
 
+// static
+void AndroidController::onNotificationStateChanged(JNIEnv *env, jobject thiz)
+{
+    Q_UNUSED(env);
+    Q_UNUSED(thiz);
+
+    emit AndroidController::instance()->notificationStateChanged();
+}
+
 // static
 void AndroidController::onVpnStateChanged(JNIEnv *env, jobject thiz, jint stateCode)
 {

client/platforms/android/android_controller.h

@@ -32,7 +32,6 @@ public:
     ErrorCode start(const QJsonObject &vpnConfig);
     void stop();
     void resetLastServer(int serverIndex);
-    void setNotificationText(const QString &title, const QString &message, int timerSec);
     void saveFile(const QString &fileName, const QString &data);
     QString openFile(const QString &filter);
     bool isCameraPresent();
@@ -44,6 +43,8 @@ public:
     void minimizeApp();
     QJsonArray getAppList();
     QPixmap getAppIcon(const QString &package, QSize *size, const QSize &requestedSize);
+    bool isNotificationPermissionGranted();
+    void requestNotificationPermission();
 
     static bool initLogging();
     static void messageHandler(QtMsgType type, const QMessageLogContext &context, const QString &message);
@@ -54,6 +55,7 @@ signals:
     void serviceDisconnected();
     void serviceError();
     void vpnPermissionRejected();
+    void notificationStateChanged();
     void vpnStateChanged(ConnectionState state);
     void statisticsUpdated(quint64 rxBytes, quint64 txBytes);
     void fileOpened(QString uri);
@@ -81,6 +83,7 @@ private:
     static void onServiceDisconnected(JNIEnv *env, jobject thiz);
     static void onServiceError(JNIEnv *env, jobject thiz);
     static void onVpnPermissionRejected(JNIEnv *env, jobject thiz);
+    static void onNotificationStateChanged(JNIEnv *env, jobject thiz);
     static void onVpnStateChanged(JNIEnv *env, jobject thiz, jint stateCode);
     static void onStatisticsUpdate(JNIEnv *env, jobject thiz, jlong rxBytes, jlong txBytes);
     static void onConfigImported(JNIEnv *env, jobject thiz, jstring data);

client/platforms/android/android_notificationhandler.cpp

@@ -1,21 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "android_notificationhandler.h"
-#include "platforms/android/android_controller.h"
-
-AndroidNotificationHandler::AndroidNotificationHandler(QObject* parent)
-    : NotificationHandler(parent) {
-}
-AndroidNotificationHandler::~AndroidNotificationHandler() {
-}
-
-void AndroidNotificationHandler::notify(NotificationHandler::Message type,
-                                        const QString& title,
-                                        const QString& message, int timerMsec) {
-  Q_UNUSED(type);
-  qDebug() << "Send notification - " << message;
-  AndroidController::instance()->setNotificationText(title, message,
-                                                     timerMsec / 1000);
-}

client/platforms/android/android_notificationhandler.h

@@ -1,24 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef ANDROIDNOTIFICATIONHANDLER_H
-#define ANDROIDNOTIFICATIONHANDLER_H
-
-#include "ui/notificationhandler.h"
-
-#include <QObject>
-
-class AndroidNotificationHandler final : public NotificationHandler {
-  Q_DISABLE_COPY_MOVE(AndroidNotificationHandler)
-
- public:
-  AndroidNotificationHandler(QObject* parent);
-  ~AndroidNotificationHandler();
-
- protected:
-  void notify(Message type, const QString& title, const QString& message,
-              int timerMsec) override;
-};
-
-#endif  // ANDROIDNOTIFICATIONHANDLER_H

client/platforms/ios/MobileUtils.cpp

@@ -1,15 +0,0 @@
-#include "MobileUtils.h"
-
-MobileUtils::MobileUtils(QObject *parent) : QObject(parent)
-{
-}
-
-bool MobileUtils::shareText(const QStringList &)
-{
-    return false;
-}
-
-QString MobileUtils::openFile()
-{
-    return QString();
-}

client/platforms/ios/MobileUtils.h

@@ -1,22 +0,0 @@
-#ifndef MOBILEUTILS_H
-#define MOBILEUTILS_H
-
-#include <QObject>
-#include <QStringList>
-
-class MobileUtils : public QObject
-{
-    Q_OBJECT
-    
-public:
-    explicit MobileUtils(QObject *parent = nullptr);
-
-public slots:
-    bool shareText(const QStringList &filesToSend);
-    QString openFile();
-    
-signals:
-    void finished();
-};
-
-#endif // MOBILEUTILS_H

client/platforms/ios/MobileUtils.mm

@@ -1,109 +0,0 @@
-#include "MobileUtils.h"
-
-#include <UIKit/UIKit.h>
-#include <Security/Security.h>
-
-#include <QEventLoop>
-
-static UIViewController* getViewController() {
-    NSArray *windows = [[UIApplication sharedApplication]windows];
-    for (UIWindow *window in windows) {
-        if (window.isKeyWindow) {
-            return window.rootViewController;
-        }
-    }
-    return nil;
-}
-
-MobileUtils::MobileUtils(QObject *parent) : QObject(parent) {
-    
-}
-
-bool MobileUtils::shareText(const QStringList& filesToSend) {
-    NSMutableArray *sharingItems = [NSMutableArray new];
-
-    for (int i = 0; i < filesToSend.size(); i++) {
-        NSURL *logFileUrl = [[NSURL alloc] initFileURLWithPath:filesToSend[i].toNSString()];
-        [sharingItems addObject:logFileUrl];
-    }
-
-    UIViewController *qtController = getViewController();
-    if (!qtController) return;
-
-    UIActivityViewController *activityController = [[UIActivityViewController alloc] initWithActivityItems:sharingItems applicationActivities:nil];
-    
-    __block bool isAccepted = false;
-    
-    [activityController setCompletionWithItemsHandler:^(NSString *activityType, BOOL completed, NSArray *returnedItems, NSError *activityError) {
-        isAccepted = completed;
-        emit finished();
-    }];
-
-    [qtController presentViewController:activityController animated:YES completion:nil];
-    UIPopoverPresentationController *popController = activityController.popoverPresentationController;
-    if (popController) {
-        popController.sourceView = qtController.view;
-        popController.sourceRect = CGRectMake(100, 100, 100, 100);
-    }
-    
-    QEventLoop wait;
-    QObject::connect(this, &MobileUtils::finished, &wait, &QEventLoop::quit);
-    wait.exec();
-    
-    return isAccepted;
-}
-
-typedef void (^DocumentPickerClosedCallback)(NSString *path);
-
-@interface DocumentPickerDelegate : NSObject <UIDocumentPickerDelegate>
-
-@property (nonatomic, copy) DocumentPickerClosedCallback documentPickerClosedCallback;
-
-@end
-
-@implementation DocumentPickerDelegate 
-
-- (void)documentPicker:(UIDocumentPickerViewController *)controller didPickDocumentsAtURLs:(NSArray<NSURL *> *)urls {
-    for (NSURL *url in urls) {
-        if (self.documentPickerClosedCallback) {
-            self.documentPickerClosedCallback([url path]);
-        }
-    }
-}
-    
-- (void)documentPickerWasCancelled:(UIDocumentPickerViewController *)controller {
-    if (self.documentPickerClosedCallback) {
-        self.documentPickerClosedCallback(nil);
-    }
-}
-
-@end
-
-QString MobileUtils::openFile() {
-    UIDocumentPickerViewController *documentPicker = [[UIDocumentPickerViewController alloc] initWithDocumentTypes:@[@"public.item"] inMode:UIDocumentPickerModeOpen];
-
-    DocumentPickerDelegate *documentPickerDelegate = [[DocumentPickerDelegate alloc] init];
-    documentPicker.delegate = documentPickerDelegate;
-
-    UIViewController *qtController = getViewController();
-    if (!qtController) return;
-
-    [qtController presentViewController:documentPicker animated:YES completion:nil];
-    
-    __block QString filePath;
-
-    documentPickerDelegate.documentPickerClosedCallback = ^(NSString *path) {
-        if (path) {
-            filePath = QString::fromUtf8(path.UTF8String);
-        } else {
-            filePath = QString();
-        }
-        emit finished();
-    };
-
-    QEventLoop wait;
-    QObject::connect(this, &MobileUtils::finished, &wait, &QEventLoop::quit);
-    wait.exec();
-    
-    return filePath;
-}

client/platforms/ios/ios_controller.h

@@ -50,12 +50,19 @@ public:
 
     void getBackendLogs(std::function<void(const QString &)> &&callback);
     void checkStatus();
+
+    bool shareText(const QStringList &filesToSend);
+    QString openFile();
+
+    void requestInetAccess();
 signals:
     void connectionStateChanged(Vpn::ConnectionState state);
     void bytesChanged(quint64 receivedBytes, quint64 sentBytes);
     void importConfigFromOutside(const QString);
     void importBackupFromOutside(const QString);
 
+    void finished();
+
 protected slots:
 
 private:

client/platforms/ios/ios_controller.mm

@@ -6,6 +6,7 @@
 #include <QJsonDocument>
 #include <QJsonObject>
 #include <QThread>
+#include <QEventLoop>
 
 #include "../protocols/vpnprotocol.h"
 #import "ios_controller_wrapper.h"
@@ -26,6 +27,15 @@ const char* MessageKey::isOnDemand = "is-on-demand";
 const char* MessageKey::SplitTunnelType = "SplitTunnelType";
 const char* MessageKey::SplitTunnelSites = "SplitTunnelSites";
 
+static UIViewController* getViewController() {
+    NSArray *windows = [[UIApplication sharedApplication]windows];
+    for (UIWindow *window in windows) {
+        if (window.isKeyWindow) {
+            return window.rootViewController;
+        }
+    }
+    return nil;
+}
 
 Vpn::ConnectionState iosStatusToState(NEVPNStatus status) {
   switch (status) {
@@ -703,3 +713,86 @@ void IosController::sendVpnExtensionMessage(NSDictionary* message, std::function
     }
 
 }
+
+bool IosController::shareText(const QStringList& filesToSend) {
+    NSMutableArray *sharingItems = [NSMutableArray new];
+
+    for (int i = 0; i < filesToSend.size(); i++) {
+        NSURL *logFileUrl = [[NSURL alloc] initFileURLWithPath:filesToSend[i].toNSString()];
+        [sharingItems addObject:logFileUrl];
+    }
+
+    UIViewController *qtController = getViewController();
+    if (!qtController) return;
+
+    UIActivityViewController *activityController = [[UIActivityViewController alloc] initWithActivityItems:sharingItems applicationActivities:nil];
+    
+    __block bool isAccepted = false;
+    
+    [activityController setCompletionWithItemsHandler:^(NSString *activityType, BOOL completed, NSArray *returnedItems, NSError *activityError) {
+        isAccepted = completed;
+        emit finished();
+    }];
+
+    [qtController presentViewController:activityController animated:YES completion:nil];
+    UIPopoverPresentationController *popController = activityController.popoverPresentationController;
+    if (popController) {
+        popController.sourceView = qtController.view;
+        popController.sourceRect = CGRectMake(100, 100, 100, 100);
+    }
+    
+    QEventLoop wait;
+    QObject::connect(this, &IosController::finished, &wait, &QEventLoop::quit);
+    wait.exec();
+    
+    return isAccepted;
+}
+
+QString IosController::openFile() {
+    UIDocumentPickerViewController *documentPicker = [[UIDocumentPickerViewController alloc] initWithDocumentTypes:@[@"public.item"] inMode:UIDocumentPickerModeOpen];
+
+    DocumentPickerDelegate *documentPickerDelegate = [[DocumentPickerDelegate alloc] init];
+    documentPicker.delegate = documentPickerDelegate;
+
+    UIViewController *qtController = getViewController();
+    if (!qtController) return;
+
+    [qtController presentViewController:documentPicker animated:YES completion:nil];
+    
+    __block QString filePath;
+
+    documentPickerDelegate.documentPickerClosedCallback = ^(NSString *path) {
+        if (path) {
+            filePath = QString::fromUtf8(path.UTF8String);
+        } else {
+            filePath = QString();
+        }
+        emit finished();
+    };
+
+    QEventLoop wait;
+    QObject::connect(this, &IosController::finished, &wait, &QEventLoop::quit);
+    wait.exec();
+    
+    return filePath;
+}
+
+void IosController::requestInetAccess() {
+    NSURL *url = [NSURL URLWithString:@"http://captive.apple.com/generate_204"];
+    if (url) {
+        qDebug() << "IosController::requestInetAccess URL error";
+        return;
+    }
+
+    NSURLSession *session = [NSURLSession sharedSession];
+    NSURLSessionDataTask *task = [session dataTaskWithURL:url completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
+        if (error) {
+            qDebug() << "IosController::requestInetAccess error:" << error.localizedDescription;
+        } else {
+            NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;
+            QString responseBody = QString::fromUtf8((const char*)data.bytes, data.length);
+            qDebug() << "IosController::requestInetAccess server response:" << httpResponse.statusCode << "\n\n" <<responseBody;
+        }
+    }];
+    [task resume];
+}

client/platforms/ios/ios_controller_wrapper.h

@@ -1,6 +1,8 @@
 #import <NetworkExtension/NetworkExtension.h>
 #import <NetworkExtension/NETunnelProviderSession.h>
 #import <Foundation/Foundation.h>
+#include <UIKit/UIKit.h>
+#include <Security/Security.h>
 
 class IosController;
 
@@ -13,3 +15,11 @@ class IosController;
 - (void)vpnConfigurationDidChange:(NSNotification *)notification;
 
 @end
+
+typedef void (^DocumentPickerClosedCallback)(NSString *path);
+
+@interface DocumentPickerDelegate : NSObject <UIDocumentPickerDelegate>
+
+@property (nonatomic, copy) DocumentPickerClosedCallback documentPickerClosedCallback;
+
+@end

client/platforms/ios/ios_controller_wrapper.mm

@@ -24,5 +24,22 @@
 //    cppController->vpnStatusDidChange(notification);
 }
 
-
 @end
+
+@implementation DocumentPickerDelegate 
+
+- (void)documentPicker:(UIDocumentPickerViewController *)controller didPickDocumentsAtURLs:(NSArray<NSURL *> *)urls {
+    for (NSURL *url in urls) {
+        if (self.documentPickerClosedCallback) {
+            self.documentPickerClosedCallback([url path]);
+        }
+    }
+}
+    
+- (void)documentPickerWasCancelled:(UIDocumentPickerViewController *)controller {
+    if (self.documentPickerClosedCallback) {
+        self.documentPickerClosedCallback(nil);
+    }
+}
+
+@end

client/secure_qsettings.cpp

@@ -1,5 +1,4 @@
 #include "secure_qsettings.h"
-#include "platforms/ios/MobileUtils.h"
 
 #include "QAead.h"
 #include "QBlockCipher.h"

client/translations/amneziavpn_ar_EG.ts

@@ -2944,8 +2944,8 @@ For more detailed information, you can
     </message>
     <message>
         <location filename="../containers/containers_defs.cpp" line="115"/>
-        <source>IKEv2 -  Modern stable protocol, a bit faster than others, restores connection after signal loss. It has native support on the latest versions of Android and iOS.</source>
-        <translation>بروتوكول IKEv2 - بروتوكول مستقر حديث, اسرع بقليل من الباقي, يسترجع الاتصال بعد خسارة الاشارة. لدية يتمتع بدعم أصلي على أحدث إصدارات Android وiOS.</translation>
+        <source>IKEv2 -  Modern stable protocol, a bit faster than others, restores connection after signal loss.</source>
+        <translation>بروتوكول IKEv2 - بروتوكول مستقر حديث, اسرع بقليل من الباقي, يسترجع الاتصال بعد خسارة الاشارة.</translation>
     </message>
     <message>
         <location filename="../containers/containers_defs.cpp" line="118"/>

client/translations/amneziavpn_fa_IR.ts

@@ -2850,8 +2850,8 @@ While it offers a blend of security, stability, and speed, it's essential t
     </message>
     <message>
         <location filename="../containers/containers_defs.cpp" line="115"/>
-        <source>IKEv2 -  Modern stable protocol, a bit faster than others, restores connection after signal loss. It has native support on the latest versions of Android and iOS.</source>
-        <translation>پروتکل IKEv2 پروتکلی پایدار و مدرن که مقداری سریعتر از سایر پروتکل‎هاست. بعد از قطع سیگنال دوباره اتصال را بازیابی می‎کند. به صورت پیش‎فرض بر روی آخرین نسخه دستگاه‎های اندروید و iOS پیشتیبانی می‎شود.</translation>
+        <source>IKEv2 -  Modern stable protocol, a bit faster than others, restores connection after signal loss.</source>
+        <translation>پروتکل IKEv2 پروتکلی پایدار و مدرن که مقداری سریعتر از سایر پروتکل‎هاست. بعد از قطع سیگنال دوباره اتصال را بازیابی می‎کند.</translation>
     </message>
     <message>
         <location filename="../containers/containers_defs.cpp" line="118"/>

client/translations/amneziavpn_hi_IN.ts

@@ -2998,8 +2998,8 @@ For more detailed information, you can
     </message>
     <message>
         <location filename="../containers/containers_defs.cpp" line="124"/>
-        <source>IKEv2 -  Modern stable protocol, a bit faster than others, restores connection after signal loss. It has native support on the latest versions of Android and iOS.</source>
-        <translation>IKEv2 - आधुनिक स्थिर प्रोटोकॉल, दूसरों की तुलना में थोड़ा तेज़, सिग्नल हानि के बाद कनेक्शन पुनर्स्थापित करता है। इसे Android और iOS के नवीनतम संस्करणों पर मूल समर्थन प्राप्त है.</translation>
+        <source>IKEv2 -  Modern stable protocol, a bit faster than others, restores connection after signal loss.</source>
+        <translation>IKEv2 - आधुनिक स्थिर प्रोटोकॉल, दूसरों की तुलना में थोड़ा तेज़, सिग्नल हानि के बाद कनेक्शन पुनर्स्थापित करता है।</translation>
     </message>
     <message>
         <location filename="../containers/containers_defs.cpp" line="127"/>

client/translations/amneziavpn_my_MM.ts

@@ -2851,8 +2851,8 @@ IKEv2 သည် လုံခြုံရေး၊ တည်ငြိမ်မှ
     </message>
     <message>
         <location filename="../containers/containers_defs.cpp" line="115"/>
-        <source>IKEv2 -  Modern stable protocol, a bit faster than others, restores connection after signal loss. It has native support on the latest versions of Android and iOS.</source>
-        <translation>IKEv2 - ခေတ်မီတည်ငြိမ်သောပရိုတိုကော၊ အခြားအရာများထက်အနည်းငယ်ပိုမြန်သည်၊ signal ပျောက်ဆုံးပြီးနောက် ချိတ်ဆက်မှုကို ပြန်လည်ရယူပေးသည်. ၎င်းသည် Android နှင့် iOS ၏နောက်ဆုံးဗားရှင်းများတွင် မူရင်းအတိုင်းထောက်ပံ့မှုရရှိသည်.</translation>
+        <source>IKEv2 -  Modern stable protocol, a bit faster than others, restores connection after signal loss.</source>
+        <translation>IKEv2 - ခေတ်မီတည်ငြိမ်သောပရိုတိုကော၊ အခြားအရာများထက်အနည်းငယ်ပိုမြန်သည်၊ signal ပျောက်ဆုံးပြီးနောက် ချိတ်ဆက်မှုကို ပြန်လည်ရယူပေးသည်.</translation>
     </message>
     <message>
         <location filename="../containers/containers_defs.cpp" line="118"/>

client/translations/amneziavpn_ru_RU.ts

@@ -1088,7 +1088,17 @@ Already installed containers were found on the server. All installed containers
         <translation>Язык</translation>
     </message>
     <message>
-        <location filename="../ui/qml/Pages2/PageSettingsApplication.qml" line="147"/>
+        <location filename="../ui/qml/Pages2/PageSettingsApplication.qml" line="218"/>
+        <source>Enable notifications</source>
+        <translation>Включить уведомления</translation>
+    </message>
+    <message>
+        <location filename="../ui/qml/Pages2/PageSettingsApplication.qml" line="219"/>
+        <source>Enable notifications to show the VPN state in the status bar</source>
+        <translation>Включить уведомления для отображения статуса VPN в строке состояния</translation>
+    </message>
+    <message>
+        <location filename="../ui/qml/Pages2/PageSettingsApplication.qml" line="238"/>
         <source>Logging</source>
         <translation>Логирование</translation>
     </message>
@@ -2987,8 +2997,8 @@ While it offers a blend of security, stability, and speed, it&apos;s essential t
     </message>
     <message>
         <location filename="../containers/containers_defs.cpp" line="121"/>
-        <source>IKEv2 -  Modern stable protocol, a bit faster than others, restores connection after signal loss. It has native support on the latest versions of Android and iOS.</source>
-        <translation>IKEv2 Современный стабильный протокол, немного быстрее других восстанавливает соединение после потери сигнала. Имеет нативную поддержку последних версиий Android и iOS.</translation>
+        <source>IKEv2 -  Modern stable protocol, a bit faster than others, restores connection after signal loss.</source>
+        <translation>IKEv2 Современный стабильный протокол, немного быстрее других восстанавливает соединение после потери сигнала.</translation>
     </message>
     <message>
         <location filename="../containers/containers_defs.cpp" line="124"/>

client/translations/amneziavpn_uk_UA.ts

@@ -3191,8 +3191,8 @@ While it offers a blend of security, stability, and speed, it's essential t
     </message>
     <message>
         <location filename="../containers/containers_defs.cpp" line="124"/>
-        <source>IKEv2 -  Modern stable protocol, a bit faster than others, restores connection after signal loss. It has native support on the latest versions of Android and iOS.</source>
-        <translation>IKEv2 сучасний стабільний протокол, трішки швидше за інших відновлює підключення. Підтримується в останніх версіях Android и iOS самими операційними системами.</translation>
+        <source>IKEv2 -  Modern stable protocol, a bit faster than others, restores connection after signal loss.</source>
+        <translation>IKEv2 сучасний стабільний протокол, трішки швидше за інших відновлює підключення.</translation>
     </message>
     <message>
         <location filename="../containers/containers_defs.cpp" line="127"/>

client/translations/amneziavpn_ur_PK.ts

@@ -2947,8 +2947,8 @@ For more detailed information, you can
     </message>
     <message>
         <location filename="../containers/containers_defs.cpp" line="124"/>
-        <source>IKEv2 -  Modern stable protocol, a bit faster than others, restores connection after signal loss. It has native support on the latest versions of Android and iOS.</source>
-        <translation>IKEv2 - جدید مستحکم پروٹوکول، دوسروں کے مقابلے میں تھوڑا تیز، سگنل ضائع ہونے کے بعد کنکشن بحال کرتا ہے۔ اسے اینڈرائیڈ اور آئی او ایس کے تازہ ترین ورژنز پر مقامی حمایت حاصل ہے۔</translation>
+        <source>IKEv2 -  Modern stable protocol, a bit faster than others, restores connection after signal loss.</source>
+        <translation>IKEv2 - جدید مستحکم پروٹوکول، دوسروں کے مقابلے میں تھوڑا تیز، سگنل ضائع ہونے کے بعد کنکشن بحال کرتا ہے۔</translation>
     </message>
     <message>
         <location filename="../containers/containers_defs.cpp" line="127"/>

client/translations/amneziavpn_zh_CN.ts

@@ -3057,8 +3057,8 @@ WireGuard非常容易被阻挡，因为其独特的数据包签名。与一些
     </message>
     <message>
         <location filename="../containers/containers_defs.cpp" line="115"/>
-        <source>IKEv2 -  Modern stable protocol, a bit faster than others, restores connection after signal loss. It has native support on the latest versions of Android and iOS.</source>
-        <translation>IKEv2 - 现代稳定协议，相比其他协议较快一些，在信号丢失后恢复连接。Android 和 iOS最新版原生支持。</translation>
+        <source>IKEv2 -  Modern stable protocol, a bit faster than others, restores connection after signal loss.</source>
+        <translation>IKEv2 - 现代稳定协议，相比其他协议较快一些，在信号丢失后恢复连接。</translation>
     </message>
     <message>
         <location filename="../containers/containers_defs.cpp" line="118"/>

client/ui/controllers/connectionController.cpp

@@ -7,9 +7,8 @@
 #endif
 #include <QtConcurrent>
 
-#include "core/controllers/apiController.h"
 #include "core/controllers/vpnConfigurationController.h"
-#include "core/errorstrings.h"
+#include "version.h"
 
 ConnectionController::ConnectionController(const QSharedPointer<ServersModel> &serversModel,
                                            const QSharedPointer<ContainersModel> &containersModel,
@@ -17,6 +16,7 @@ ConnectionController::ConnectionController(const QSharedPointer<ServersModel> &s
                                            const QSharedPointer<VpnConnection> &vpnConnection, const std::shared_ptr<Settings> &settings,
                                            QObject *parent)
     : QObject(parent),
+      m_apiController(this),
       m_serversModel(serversModel),
       m_containersModel(containersModel),
       m_clientManagementModel(clientManagementModel),
@@ -27,70 +27,34 @@ ConnectionController::ConnectionController(const QSharedPointer<ServersModel> &s
     connect(this, &ConnectionController::connectToVpn, m_vpnConnection.get(), &VpnConnection::connectToVpn, Qt::QueuedConnection);
     connect(this, &ConnectionController::disconnectFromVpn, m_vpnConnection.get(), &VpnConnection::disconnectFromVpn, Qt::QueuedConnection);
 
+    connect(&m_apiController, &ApiController::configUpdated, this,
+            static_cast<void (ConnectionController::*)(const bool, const QJsonObject &, const int)>(&ConnectionController::openConnection));
+    connect(&m_apiController, qOverload<ErrorCode>(&ApiController::errorOccurred), this, qOverload<ErrorCode>(&ConnectionController::connectionErrorOccurred));
+
     m_state = Vpn::ConnectionState::Disconnected;
 }
 
 void ConnectionController::openConnection()
 {
-    int serverIndex = m_serversModel->getDefaultServerIndex();
-    auto serverConfig = m_serversModel->getServerConfig(serverIndex);
+#if !defined(Q_OS_ANDROID) && !defined(Q_OS_IOS)
+    if (!Utils::processIsRunning(Utils::executable(SERVICE_NAME, false), true))
+    {
+        emit connectionErrorOccurred(ErrorCode::AmneziaServiceNotRunning);
+        return;
+    }
+#endif
 
-    ErrorCode errorCode = ErrorCode::NoError;
+    int serverIndex = m_serversModel->getDefaultServerIndex();
+    QJsonObject serverConfig = m_serversModel->getServerConfig(serverIndex);
 
     emit m_vpnConnection->connectionStateChanged(Vpn::ConnectionState::Preparing);
 
     if (serverConfig.value(config_key::configVersion).toInt()
         && !m_serversModel->data(serverIndex, ServersModel::Roles::HasInstalledContainers).toBool()) {
-        ApiController apiController;
-        errorCode = apiController.updateServerConfigFromApi(m_settings->getInstallationUuid(true), serverConfig);
-        if (errorCode != ErrorCode::NoError) {
-            emit connectionErrorOccurred(errorString(errorCode));
-            return;
-        }
-        m_serversModel->editServer(serverConfig, serverIndex);
+        m_apiController.updateServerConfigFromApi(m_settings->getInstallationUuid(true), serverIndex, serverConfig);
+    } else {
+        openConnection(false, serverConfig, serverIndex);
     }
-
-    if (!m_serversModel->data(serverIndex, ServersModel::Roles::HasInstalledContainers).toBool()) {
-        emit noInstalledContainers();
-        emit m_vpnConnection->connectionStateChanged(Vpn::ConnectionState::Disconnected);
-        return;
-    }
-
-    DockerContainer container = qvariant_cast<DockerContainer>(m_serversModel->data(serverIndex, ServersModel::Roles::DefaultContainerRole));
-
-    if (!m_containersModel->isSupportedByCurrentPlatform(container)) {
-        emit connectionErrorOccurred(tr("The selected protocol is not supported on the current platform"));
-        return;
-    }
-
-    if (container == DockerContainer::None) {
-        emit connectionErrorOccurred(tr("VPN Protocols is not installed.\n Please install VPN container at first"));
-        return;
-    }
-
-    qApp->processEvents();
-
-    QSharedPointer<ServerController> serverController(new ServerController(m_settings));
-    VpnConfigurationsController vpnConfigurationController(m_settings, serverController);
-
-    QJsonObject containerConfig = m_containersModel->getContainerConfig(container);
-    ServerCredentials credentials = m_serversModel->getServerCredentials(serverIndex);
-    errorCode = updateProtocolConfig(container, credentials, containerConfig, serverController);
-    if (errorCode != ErrorCode::NoError) {
-        emit connectionErrorOccurred(errorString(errorCode));
-        return;
-    }
-
-    auto dns = m_serversModel->getDnsPair(serverIndex);
-    serverConfig = m_serversModel->getServerConfig(serverIndex);
-
-    auto vpnConfiguration = vpnConfigurationController.createVpnConfiguration(dns, serverConfig, containerConfig, container, errorCode);
-    if (errorCode != ErrorCode::NoError) {
-        emit connectionErrorOccurred(tr("unable to create configuration"));
-        return;
-    }
-
-    emit connectToVpn(serverIndex, credentials, container, vpnConfiguration);
 }
 
 void ConnectionController::closeConnection()
@@ -98,9 +62,9 @@ void ConnectionController::closeConnection()
     emit disconnectFromVpn();
 }
 
-QString ConnectionController::getLastConnectionError()
+ErrorCode ConnectionController::getLastConnectionError()
 {
-    return errorString(m_vpnConnection->lastError());
+    return m_vpnConnection->lastError();
 }
 
 void ConnectionController::onConnectionStateChanged(Vpn::ConnectionState state)
@@ -221,6 +185,53 @@ bool ConnectionController::isProtocolConfigExists(const QJsonObject &containerCo
     return true;
 }
 
+void ConnectionController::openConnection(const bool updateConfig, const QJsonObject &config, const int serverIndex)
+{
+    // Update config for this server as it was received from API
+    if (updateConfig) {
+        m_serversModel->editServer(config, serverIndex);
+    }
+
+    if (!m_serversModel->data(serverIndex, ServersModel::Roles::HasInstalledContainers).toBool()) {
+        emit noInstalledContainers();
+        emit m_vpnConnection->connectionStateChanged(Vpn::ConnectionState::Disconnected);
+        return;
+    }
+
+    DockerContainer container = qvariant_cast<DockerContainer>(m_serversModel->data(serverIndex, ServersModel::Roles::DefaultContainerRole));
+
+    if (!m_containersModel->isSupportedByCurrentPlatform(container)) {
+        emit connectionErrorOccurred(tr("The selected protocol is not supported on the current platform"));
+        return;
+    }
+
+    if (container == DockerContainer::None) {
+        emit connectionErrorOccurred(tr("VPN Protocols is not installed.\n Please install VPN container at first"));
+        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);
+    ErrorCode errorCode = updateProtocolConfig(container, credentials, containerConfig, serverController);
+    if (errorCode != ErrorCode::NoError) {
+        emit connectionErrorOccurred(errorCode);
+        return;
+    }
+
+    auto dns = m_serversModel->getDnsPair(serverIndex);
+
+    auto vpnConfiguration = vpnConfigurationController.createVpnConfiguration(dns, config, containerConfig, container, errorCode);
+    if (errorCode != ErrorCode::NoError) {
+        emit connectionErrorOccurred(tr("unable to create configuration"));
+        return;
+    }
+
+    emit connectToVpn(serverIndex, credentials, container, vpnConfiguration);
+}
+
 ErrorCode ConnectionController::updateProtocolConfig(const DockerContainer container, const ServerCredentials &credentials,
                                                      QJsonObject &containerConfig, QSharedPointer<ServerController> serverController)
 {

client/ui/controllers/connectionController.h

@@ -1,6 +1,7 @@
 #ifndef CONNECTIONCONTROLLER_H
 #define CONNECTIONCONTROLLER_H
 
+#include "core/controllers/apiController.h"
 #include "protocols/vpnprotocol.h"
 #include "ui/models/clientManagementModel.h"
 #include "ui/models/containers_model.h"
@@ -33,7 +34,7 @@ public slots:
     void openConnection();
     void closeConnection();
 
-    QString getLastConnectionError();
+    ErrorCode getLastConnectionError();
     void onConnectionStateChanged(Vpn::ConnectionState state);
 
     void onCurrentContainerUpdated();
@@ -49,6 +50,7 @@ signals:
     void connectionStateChanged();
 
     void connectionErrorOccurred(const QString &errorMessage);
+    void connectionErrorOccurred(ErrorCode errorCode);
     void reconnectWithUpdatedContainer(const QString &message);
 
     void noInstalledContainers();
@@ -60,6 +62,10 @@ private:
     Vpn::ConnectionState getCurrentConnectionState();
     bool isProtocolConfigExists(const QJsonObject &containerConfig, const DockerContainer container);
 
+    void openConnection(const bool updateConfig, const QJsonObject &config, const int serverIndex);
+
+    ApiController m_apiController;
+
     QSharedPointer<ServersModel> m_serversModel;
     QSharedPointer<ContainersModel> m_containersModel;
     QSharedPointer<ClientManagementModel> m_clientManagementModel;

client/ui/controllers/exportController.cpp

@@ -9,7 +9,6 @@
 #include <QStandardPaths>
 
 #include "core/controllers/vpnConfigurationController.h"
-#include "core/errorstrings.h"
 #include "systemController.h"
 #ifdef Q_OS_ANDROID
     #include "platforms/android/android_utils.h"
@@ -101,7 +100,7 @@ void ExportController::generateConnectionConfig(const QString &clientName)
 
     errorCode = m_clientManagementModel->appendClient(container, credentials, containerConfig, clientName, serverController);
     if (errorCode != ErrorCode::NoError) {
-        emit exportErrorOccurred(errorString(errorCode));
+        emit exportErrorOccurred(errorCode);
         return;
     }
 
@@ -171,7 +170,7 @@ void ExportController::generateOpenVpnConfig(const QString &clientName)
     }
 
     if (errorCode) {
-        emit exportErrorOccurred(errorString(errorCode));
+        emit exportErrorOccurred(errorCode);
         return;
     }
 
@@ -189,7 +188,7 @@ void ExportController::generateWireGuardConfig(const QString &clientName)
     QJsonObject nativeConfig;
     ErrorCode errorCode = generateNativeConfig(DockerContainer::WireGuard, clientName, Proto::WireGuard, nativeConfig);
     if (errorCode) {
-        emit exportErrorOccurred(errorString(errorCode));
+        emit exportErrorOccurred(errorCode);
         return;
     }
 
@@ -209,7 +208,7 @@ void ExportController::generateAwgConfig(const QString &clientName)
     QJsonObject nativeConfig;
     ErrorCode errorCode = generateNativeConfig(DockerContainer::Awg, clientName, Proto::Awg, nativeConfig);
     if (errorCode) {
-        emit exportErrorOccurred(errorString(errorCode));
+        emit exportErrorOccurred(errorCode);
         return;
     }
 
@@ -237,7 +236,7 @@ void ExportController::generateShadowSocksConfig()
     }
 
     if (errorCode) {
-        emit exportErrorOccurred(errorString(errorCode));
+        emit exportErrorOccurred(errorCode);
         return;
     }
 
@@ -263,7 +262,7 @@ void ExportController::generateCloakConfig()
     QJsonObject nativeConfig;
     ErrorCode errorCode = generateNativeConfig(DockerContainer::Cloak, "", Proto::Cloak, nativeConfig);
     if (errorCode) {
-        emit exportErrorOccurred(errorString(errorCode));
+        emit exportErrorOccurred(errorCode);
         return;
     }
 
@@ -283,7 +282,7 @@ void ExportController::generateXrayConfig()
     QJsonObject nativeConfig;
     ErrorCode errorCode = generateNativeConfig(DockerContainer::Xray, "", Proto::Xray, nativeConfig);
     if (errorCode) {
-        emit exportErrorOccurred(errorString(errorCode));
+        emit exportErrorOccurred(errorCode);
         return;
     }
 
@@ -320,7 +319,7 @@ void ExportController::updateClientManagementModel(const DockerContainer contain
     QSharedPointer<ServerController> serverController(new ServerController(m_settings));
     ErrorCode errorCode = m_clientManagementModel->updateModel(container, credentials, serverController);
     if (errorCode != ErrorCode::NoError) {
-        emit exportErrorOccurred(errorString(errorCode));
+        emit exportErrorOccurred(errorCode);
     }
 }
 
@@ -330,7 +329,7 @@ void ExportController::revokeConfig(const int row, const DockerContainer contain
     ErrorCode errorCode =
             m_clientManagementModel->revokeClient(row, container, credentials, m_serversModel->getProcessedServerIndex(), serverController);
     if (errorCode != ErrorCode::NoError) {
-        emit exportErrorOccurred(errorString(errorCode));
+        emit exportErrorOccurred(errorCode);
     }
 }
 
@@ -339,7 +338,7 @@ void ExportController::renameClient(const int row, const QString &clientName, co
     QSharedPointer<ServerController> serverController(new ServerController(m_settings));
     ErrorCode errorCode = m_clientManagementModel->renameClient(row, clientName, container, credentials, serverController);
     if (errorCode != ErrorCode::NoError) {
-        emit exportErrorOccurred(errorString(errorCode));
+        emit exportErrorOccurred(errorCode);
     }
 }
 

client/ui/controllers/exportController.h

@@ -49,6 +49,7 @@ public slots:
 signals:
     void generateConfig(int type);
     void exportErrorOccurred(const QString &errorMessage);
+    void exportErrorOccurred(ErrorCode errorCode);
 
     void exportConfigChanged();
 

client/ui/controllers/importController.cpp

@@ -6,7 +6,6 @@
 #include <QRandomGenerator>
 #include <QStandardPaths>
 
-#include "core/errorstrings.h"
 #ifdef Q_OS_ANDROID
     #include "platforms/android/android_controller.h"
 #endif
@@ -221,7 +220,7 @@ void ImportController::importConfig()
     } else if (m_config.contains(config_key::configVersion)) {
         quint16 crc = qChecksum(QJsonDocument(m_config).toJson());
         if (m_serversModel->isServerFromApiAlreadyExists(crc)) {
-            emit importErrorOccurred(errorString(ErrorCode::ApiConfigAlreadyAdded), true);
+            emit importErrorOccurred(ErrorCode::ApiConfigAlreadyAdded, true);
         } else {
             m_config.insert(config_key::crc, crc);
 
@@ -231,7 +230,7 @@ void ImportController::importConfig()
     } else {
         qDebug() << "Failed to import profile";
         qDebug().noquote() << QJsonDocument(m_config).toJson();
-        emit importErrorOccurred(errorString(ErrorCode::ImportInvalidConfigError), false);
+        emit importErrorOccurred(ErrorCode::ImportInvalidConfigError, false);
     }
 
     m_config = {};
@@ -308,7 +307,7 @@ QJsonObject ImportController::extractWireGuardConfig(const QString &data)
         hostName = hostNameAndPortMatch.captured(1);
     } else {
         qDebug() << "Key parameter 'Endpoint' is missing";
-        emit importErrorOccurred(errorString(ErrorCode::ImportInvalidConfigError), false);
+        emit importErrorOccurred(ErrorCode::ImportInvalidConfigError, false);
         return QJsonObject();
     }
 
@@ -334,7 +333,7 @@ QJsonObject ImportController::extractWireGuardConfig(const QString &data)
         lastConfig[config_key::server_pub_key] = configMap.value("PublicKey");
     } else {
         qDebug() << "One of the key parameters is missing (PrivateKey, Address, PublicKey)";
-        emit importErrorOccurred(errorString(ErrorCode::ImportInvalidConfigError), false);
+        emit importErrorOccurred(ErrorCode::ImportInvalidConfigError, false);
         return QJsonObject();
     }
 

client/ui/controllers/importController.h

@@ -54,6 +54,7 @@ public slots:
 signals:
     void importFinished();
     void importErrorOccurred(const QString &errorMessage, bool goToPageHome);
+    void importErrorOccurred(ErrorCode errorCode, bool goToPageHome);
 
     void qrDecodingFinished();
 

client/ui/controllers/installController.cpp

@@ -9,7 +9,6 @@
 
 #include "core/controllers/serverController.h"
 #include "core/controllers/vpnConfigurationController.h"
-#include "core/errorstrings.h"
 #include "core/networkUtilities.h"
 #include "logger.h"
 #include "ui/models/protocols/awgConfigModel.h"
@@ -149,7 +148,7 @@ void InstallController::install(DockerContainer container, int port, TransportPr
     QMap<DockerContainer, QJsonObject> installedContainers;
     ErrorCode errorCode = getAlreadyInstalledContainers(serverCredentials, serverController, installedContainers);
     if (errorCode) {
-        emit installationErrorOccurred(errorString(errorCode));
+        emit installationErrorOccurred(errorCode);
         return;
     }
 
@@ -158,7 +157,7 @@ void InstallController::install(DockerContainer container, int port, TransportPr
     if (!installedContainers.contains(container)) {
         errorCode = serverController->setupContainer(serverCredentials, container, config);
         if (errorCode) {
-            emit installationErrorOccurred(errorString(errorCode));
+            emit installationErrorOccurred(errorCode);
             return;
         }
 
@@ -169,7 +168,7 @@ void InstallController::install(DockerContainer container, int port, TransportPr
     }
 
     if (errorCode) {
-        emit installationErrorOccurred(errorString(errorCode));
+        emit installationErrorOccurred(errorCode);
         return;
     }
 
@@ -204,7 +203,7 @@ void InstallController::installServer(const DockerContainer container, const QMa
             auto errorCode = vpnConfigurationController.createProtocolConfigForContainer(m_processedServerCredentials, iterator.key(),
                                                                                          containerConfig);
             if (errorCode) {
-                emit installationErrorOccurred(errorString(errorCode));
+                emit installationErrorOccurred(errorCode);
                 return;
             }
             containerConfigs.append(containerConfig);
@@ -212,7 +211,7 @@ void InstallController::installServer(const DockerContainer container, const QMa
             errorCode = m_clientManagementModel->appendClient(iterator.key(), serverCredentials, containerConfig,
                                                               QString("Admin [%1]").arg(QSysInfo::prettyProductName()), serverController);
             if (errorCode) {
-                emit installationErrorOccurred(errorString(errorCode));
+                emit installationErrorOccurred(errorCode);
                 return;
             }
         } else {
@@ -244,7 +243,7 @@ void InstallController::installContainer(const DockerContainer container, const
                 auto errorCode =
                         vpnConfigurationController.createProtocolConfigForContainer(serverCredentials, iterator.key(), containerConfig);
                 if (errorCode) {
-                    emit installationErrorOccurred(errorString(errorCode));
+                    emit installationErrorOccurred(errorCode);
                     return;
                 }
                 m_serversModel->addContainerConfig(iterator.key(), containerConfig);
@@ -252,7 +251,7 @@ void InstallController::installContainer(const DockerContainer container, const
                 errorCode = m_clientManagementModel->appendClient(iterator.key(), serverCredentials, containerConfig,
                                                                   QString("Admin [%1]").arg(QSysInfo::prettyProductName()), serverController);
                 if (errorCode) {
-                    emit installationErrorOccurred(errorString(errorCode));
+                    emit installationErrorOccurred(errorCode);
                     return;
                 }
             } else {
@@ -310,7 +309,7 @@ void InstallController::scanServerForInstalledContainers()
                     auto errorCode =
                             vpnConfigurationController.createProtocolConfigForContainer(serverCredentials, container, containerConfig);
                     if (errorCode) {
-                        emit installationErrorOccurred(errorString(errorCode));
+                        emit installationErrorOccurred(errorCode);
                         return;
                     }
                     m_serversModel->addContainerConfig(container, containerConfig);
@@ -319,7 +318,7 @@ void InstallController::scanServerForInstalledContainers()
                                                                       QString("Admin [%1]").arg(QSysInfo::prettyProductName()),
                                                                       serverController);
                     if (errorCode) {
-                        emit installationErrorOccurred(errorString(errorCode));
+                        emit installationErrorOccurred(errorCode);
                         return;
                     }
                 } else {
@@ -334,7 +333,7 @@ void InstallController::scanServerForInstalledContainers()
         return;
     }
 
-    emit installationErrorOccurred(errorString(errorCode));
+    emit installationErrorOccurred(errorCode);
 }
 
 ErrorCode InstallController::getAlreadyInstalledContainers(const ServerCredentials &credentials,
@@ -515,7 +514,7 @@ void InstallController::updateContainer(QJsonObject config)
         return;
     }
 
-    emit installationErrorOccurred(errorString(errorCode));
+    emit installationErrorOccurred(errorCode);
 }
 
 void InstallController::rebootProcessedServer()
@@ -528,7 +527,7 @@ void InstallController::rebootProcessedServer()
     if (errorCode == ErrorCode::NoError) {
         emit rebootProcessedServerFinished(tr("Server '%1' was rebooted").arg(serverName));
     } else {
-        emit installationErrorOccurred(errorString(errorCode));
+        emit installationErrorOccurred(errorCode);
     }
 }
 
@@ -552,7 +551,7 @@ void InstallController::removeAllContainers()
         emit removeAllContainersFinished(tr("All containers from server '%1' have been removed").arg(serverName));
         return;
     }
-    emit installationErrorOccurred(errorString(errorCode));
+    emit installationErrorOccurred(errorCode);
 }
 
 void InstallController::removeProcessedContainer()
@@ -570,7 +569,7 @@ void InstallController::removeProcessedContainer()
         emit removeProcessedContainerFinished(tr("%1 has been removed from the server '%2'").arg(containerName, serverName));
         return;
     }
-    emit installationErrorOccurred(errorString(errorCode));
+    emit installationErrorOccurred(errorCode);
 }
 
 void InstallController::removeApiConfig(const int serverIndex)
@@ -738,7 +737,7 @@ bool InstallController::checkSshConnection(QSharedPointer<ServerController> serv
         if (errorCode == ErrorCode::NoError) {
             m_processedServerCredentials.secretData = decryptedPrivateKey;
         } else {
-            emit installationErrorOccurred(errorString(errorCode));
+            emit installationErrorOccurred(errorCode);
             return false;
         }
     }
@@ -747,7 +746,7 @@ bool InstallController::checkSshConnection(QSharedPointer<ServerController> serv
     output = serverController->checkSshConnection(m_processedServerCredentials, errorCode);
 
     if (errorCode != ErrorCode::NoError) {
-        emit installationErrorOccurred(errorString(errorCode));
+        emit installationErrorOccurred(errorCode);
         return false;
     } else {
         if (output.contains(tr("Please login as the user"))) {

client/ui/controllers/installController.h

@@ -64,6 +64,7 @@ signals:
     void removeProcessedContainerFinished(const QString &finishedMessage);
 
     void installationErrorOccurred(const QString &errorMessage);
+    void installationErrorOccurred(ErrorCode errorCode);
 
     void serverAlreadyExists(int serverIndex);
 

client/ui/controllers/pageController.cpp

@@ -1,4 +1,8 @@
 #include "pageController.h"
+#include "utils/converter.h"
+#include "ui/models/servers_model.h"
+#include "ui/models/languageModel.h"
+#include "core/errorstrings.h"
 
 #if defined(Q_OS_ANDROID) || defined(Q_OS_IOS)
     #include <QGuiApplication>
@@ -16,8 +20,10 @@
 #endif
 
 PageController::PageController(const QSharedPointer<ServersModel> &serversModel,
-                               const std::shared_ptr<Settings> &settings, QObject *parent)
-    : QObject(parent), m_serversModel(serversModel), m_settings(settings)
+                               const std::shared_ptr<Settings> &settings,
+                               const QSharedPointer<LanguageModel> &languageModel,
+                               QObject *parent)
+    : QObject(parent), m_serversModel(serversModel), m_settings(settings), m_languageModel(languageModel)
 {
 #ifdef Q_OS_ANDROID
     // Change color of navigation and status bar's
@@ -38,6 +44,8 @@ PageController::PageController(const QSharedPointer<ServersModel> &serversModel,
     connect(this, &PageController::raiseMainWindow, []() { setDockIconVisible(true); });
     connect(this, &PageController::hideMainWindow, []() { setDockIconVisible(false); });
 #endif
+
+    connect(this, qOverload<ErrorCode>(&PageController::showErrorMessage), this, &PageController::onShowErrorMessage);
     
     m_isTriggeredByConnectButton = false;
 }
@@ -161,3 +169,14 @@ int PageController::getDrawerDepth()
 {
     return m_drawerDepth;
 }
+
+void PageController::onShowErrorMessage(ErrorCode errorCode)
+{
+    const auto fullErrorMessage = errorString(errorCode);
+    const auto errorMessage = fullErrorMessage.mid(fullErrorMessage.indexOf(". ") + 1); // remove ErrorCode %1.
+    const auto baseUrl = m_languageModel->getDocsEndpoint();
+    const auto errorUrl = QStringLiteral("%1/troubleshooting/error-codes/#error-%2-%3").arg(baseUrl).arg(static_cast<int>(errorCode)).arg(utils::enumToString(errorCode).toLower());
+    const auto fullMessage = QStringLiteral("<a href=\"%1\" style=\"color: #FBB26A;\">ErrorCode: %2</a>. %3").arg(errorUrl).arg(static_cast<int>(errorCode)).arg(errorMessage);
+
+    emit showErrorMessage(fullMessage);
+}

client/ui/controllers/pageController.h

@@ -4,7 +4,9 @@
 #include <QObject>
 #include <QQmlEngine>
 
+#include "core/defs.h"
 #include "ui/models/servers_model.h"
+#include "ui/models/languageModel.h"
 
 namespace PageLoader
 {
@@ -70,7 +72,7 @@ class PageController : public QObject
     Q_OBJECT
 public:
     explicit PageController(const QSharedPointer<ServersModel> &serversModel, const std::shared_ptr<Settings> &settings,
-                            QObject *parent = nullptr);
+                          const QSharedPointer<LanguageModel> & languageModel,QObject *parent = nullptr);
 
 public slots:
     QString getInitialPage();
@@ -93,6 +95,9 @@ public slots:
     void setDrawerDepth(const int depth);
     int getDrawerDepth();
 
+  private slots:
+    void onShowErrorMessage(amnezia::ErrorCode errorCode);
+
 signals:
     void goToPage(PageLoader::PageEnum page, bool slide = true);
     void goToStartPage();
@@ -107,6 +112,7 @@ signals:
     void restorePageHomeState(bool isContainerInstalled = false);
     void replaceStartPage();
 
+    void showErrorMessage(amnezia::ErrorCode);
     void showErrorMessage(const QString &errorMessage);
     void showNotificationMessage(const QString &message);
 
@@ -131,6 +137,8 @@ private:
 
     std::shared_ptr<Settings> m_settings;
 
+    QSharedPointer<LanguageModel> m_languageModel;
+
     bool m_isTriggeredByConnectButton;
 
     int m_drawerDepth = 0;

client/ui/controllers/settingsController.cpp

@@ -30,6 +30,9 @@ SettingsController::SettingsController(const QSharedPointer<ServersModel> &serve
 {
     m_appVersion = QString("%1 (%2, %3)").arg(QString(APP_VERSION), __DATE__, GIT_COMMIT_HASH);
     checkIfNeedDisableLogs();
+#ifdef Q_OS_ANDROID
+    connect(AndroidController::instance(), &AndroidController::notificationStateChanged, this, &SettingsController::onNotificationStateChanged);
+#endif
 }
 
 void SettingsController::toggleAmneziaDns(bool enable)
@@ -233,3 +236,19 @@ void SettingsController::toggleKillSwitch(bool enable)
 {
     m_settings->setKillSwitchEnabled(enable);
 }
+
+bool SettingsController::isNotificationPermissionGranted()
+{
+#ifdef Q_OS_ANDROID
+    return AndroidController::instance()->isNotificationPermissionGranted();
+#else
+    return true;
+#endif
+}
+
+void SettingsController::requestNotificationPermission()
+{
+#ifdef Q_OS_ANDROID
+    AndroidController::instance()->requestNotificationPermission();
+#endif
+}

client/ui/controllers/settingsController.h

@@ -23,6 +23,7 @@ public:
     Q_PROPERTY(QString primaryDns READ getPrimaryDns WRITE setPrimaryDns NOTIFY primaryDnsChanged)
     Q_PROPERTY(QString secondaryDns READ getSecondaryDns WRITE setSecondaryDns NOTIFY secondaryDnsChanged)
     Q_PROPERTY(bool isLoggingEnabled READ isLoggingEnabled WRITE toggleLogging NOTIFY loggingStateChanged)
+    Q_PROPERTY(bool isNotificationPermissionGranted READ isNotificationPermissionGranted NOTIFY onNotificationStateChanged)
 
 public slots:
     void toggleAmneziaDns(bool enable);
@@ -66,6 +67,9 @@ public slots:
     bool isKillSwitchEnabled();
     void toggleKillSwitch(bool enable);
 
+    bool isNotificationPermissionGranted();
+    void requestNotificationPermission();
+
 signals:
     void primaryDnsChanged();
     void secondaryDnsChanged();
@@ -83,6 +87,8 @@ signals:
 
     void loggingDisableByWatcher();
 
+    void onNotificationStateChanged();
+
 private:
     QSharedPointer<ServersModel> m_serversModel;
     QSharedPointer<ContainersModel> m_containersModel;

client/ui/controllers/systemController.cpp

@@ -15,7 +15,7 @@
 #endif
 
 #ifdef Q_OS_IOS
-    #include "platforms/ios/MobileUtils.h"
+    #include "platforms/ios/ios_controller.h"
     #include <CoreFoundation/CoreFoundation.h>
 #endif
 
@@ -46,9 +46,8 @@ void SystemController::saveFile(QString fileName, const QString &data)
 #ifdef Q_OS_IOS
     QStringList filesToSend;
     filesToSend.append(fileUrl.toString());
-    MobileUtils mobileUtils;
     // todo check if save successful
-    mobileUtils.shareText(filesToSend);
+    IosController::Instance()->shareText(filesToSend);
     return;
 #else
     QFileInfo fi(fileName);
@@ -67,8 +66,7 @@ QString SystemController::getFileName(const QString &acceptLabel, const QString
 
 #ifdef Q_OS_IOS
 
-    MobileUtils mobileUtils;
-    fileName = mobileUtils.openFile();
+    fileName = IosController::Instance()->openFile();
     if (fileName.isEmpty()) {
         return fileName;
     }

client/ui/models/languageModel.cpp

@@ -90,6 +90,24 @@ int LanguageModel::getCurrentLanguageIndex()
     }
 }
 
+QString LanguageModel::getDocsEndpoint()
+{
+    QString baseUrl = "https://docs.amnezia.org";
+    auto locale = m_settings->getAppLanguage();
+    switch (locale.language()) {
+    case QLocale::Russian:
+        baseUrl += "/ru";
+        break;
+    case QLocale::Ukrainian:
+        baseUrl += "/ru";
+        break;
+    default:
+        break;
+    }
+
+    return baseUrl;
+}
+
 int LanguageModel::getLineHeightAppend()
 {
     int langIndex = getCurrentLanguageIndex();

client/ui/models/languageModel.h

@@ -59,6 +59,7 @@ public slots:
     int getCurrentLanguageIndex();
     int getLineHeightAppend();
     QString getCurrentLanguageName();
+    QString getDocsEndpoint();
 
 signals:
     void updateTranslations(const QLocale &locale);

client/ui/notificationhandler.cpp

@@ -7,10 +7,7 @@
 
 #if defined(Q_OS_IOS)
 #  include "platforms/ios/iosnotificationhandler.h"
-#elif defined(Q_OS_ANDROID)
-#  include "platforms/android/android_notificationhandler.h"
 #else
-
 #  include "systemtray_notificationhandler.h"
 #endif
 
@@ -18,8 +15,6 @@
 NotificationHandler* NotificationHandler::create(QObject* parent) {
 #if defined(Q_OS_IOS)
     return new IOSNotificationHandler(parent);
-#elif defined(Q_OS_ANDROID)
-    return new AndroidNotificationHandler(parent);
 #else
 
 #  if defined(Q_OS_LINUX)

client/ui/qml/Controls2/PopupType.qml

@@ -57,7 +57,17 @@ Popup {
                 horizontalAlignment: Text.AlignLeft
                 Layout.fillWidth: true
 
+                onLinkActivated: function(link) {
+                    Qt.openUrlExternally(link)
+                }
+
                 text: root.text
+
+                MouseArea {
+                    anchors.fill: parent
+                    acceptedButtons: Qt.NoButton
+                    cursorShape: parent.hoveredLink ? Qt.PointingHandCursor : Qt.ArrowCursor
+                }
             }
 
             Item {

client/ui/qml/Pages2/PageSettingsApplication.qml

@@ -74,7 +74,8 @@ PageType {
                     }
                 }
 
-                KeyNavigation.tab: labelWithButtonLanguage.rightButton
+                KeyNavigation.tab: Qt.platform.os === "android" && !SettingsController.isNotificationPermissionGranted ?
+                    labelWithButtonNotification.rightButton : labelWithButtonLanguage.rightButton
                 parentFlickable: fl
             }
 
@@ -82,6 +83,27 @@ PageType {
                 visible: GC.isMobile()
             }
 
+            LabelWithButtonType {
+                id: labelWithButtonNotification
+                visible: Qt.platform.os === "android" && !SettingsController.isNotificationPermissionGranted
+                Layout.fillWidth: true
+
+                text: qsTr("Enable notifications")
+                descriptionText: qsTr("Enable notifications to show the VPN state in the status bar")
+                rightImageSource: "qrc:/images/controls/chevron-right.svg"
+
+                KeyNavigation.tab: labelWithButtonLanguage.rightButton
+                parentFlickable: fl
+
+                clickedFunction: function() {
+                    SettingsController.requestNotificationPermission()
+                }
+            }
+
+            DividerType {
+                visible: Qt.platform.os === "android" && !SettingsController.isNotificationPermissionGranted
+            }
+
             SwitcherType {
                 id: switcherAutoStart
                 visible: !GC.isMobile()
@@ -173,7 +195,6 @@ PageType {
                 }
             }
 
-
             DividerType {}
 
             LabelWithButtonType {

client/ui/qml/Pages2/PageSetupWizardStart.qml

@@ -76,9 +76,9 @@ PageType {
     Connections {
         target: InstallController
 
-        function onInstallationErrorOccurred(errorMessage) {
+        function onInstallationErrorOccurred(error) {
             PageController.showBusyIndicator(false)
-            PageController.showErrorMessage(errorMessage)
+            PageController.showErrorMessage(error)
 
             var currentPageName = stackView.currentItem.objectName
 
@@ -97,8 +97,8 @@ PageType {
             PageController.showBusyIndicator(false)
         }
 
-        function onImportErrorOccurred(errorMessage, goToPageHome) {
-            PageController.showErrorMessage(errorMessage)
+        function onImportErrorOccurred(error, goToPageHome) {
+            PageController.showErrorMessage(error)
         }
     }
 

client/ui/qml/Pages2/PageShare.qml

@@ -102,9 +102,10 @@ PageType {
             PageController.showBusyIndicator(false)
         }
 
-        function onExportErrorOccurred(errorMessage) {
+        function onExportErrorOccurred(error) {
             shareConnectionDrawer.close()
-            PageController.showErrorMessage(errorMessage)
+
+            PageController.showErrorMessage(error)
         }
     }
 

client/ui/qml/Pages2/PageStart.qml

@@ -99,9 +99,10 @@ PageType {
     Connections {
         target: InstallController
 
-        function onInstallationErrorOccurred(errorMessage) {
+        function onInstallationErrorOccurred(error) {
             PageController.showBusyIndicator(false)
-            PageController.showErrorMessage(errorMessage)
+
+            PageController.showErrorMessage(error)
 
             var needCloseCurrentPage = false
             var currentPageName = tabBarStackView.currentItem.objectName
@@ -146,8 +147,8 @@ PageType {
     Connections {
         target: ImportController
 
-        function onImportErrorOccurred(errorMessage, goToPageHome) {
-            PageController.showErrorMessage(errorMessage)
+        function onImportErrorOccurred(error, goToPageHome) {
+            PageController.showErrorMessage(error)
         }
     }
 

client/utilities.cpp

@@ -76,7 +76,7 @@ QString Utils::usrExecutable(const QString &baseName)
         return ("/usr/bin/" + baseName);
 }
 
-bool Utils::processIsRunning(const QString &fileName)
+bool Utils::processIsRunning(const QString &fileName, const bool fullFlag)
 {
 #ifdef Q_OS_WIN
     QProcess process;
@@ -107,10 +107,14 @@ bool Utils::processIsRunning(const QString &fileName)
 #else
     QProcess process;
     process.setProcessChannelMode(QProcess::MergedChannels);
-    process.start("pgrep", QStringList({ fileName }));
+    process.start("pgrep", QStringList({ fullFlag ? "-f" : "", fileName }));
     process.waitForFinished();
     if (process.exitStatus() == QProcess::NormalExit) {
-        return (process.readAll().toUInt() > 0);
+        if (fullFlag) {
+            return (process.readLine().toUInt() > 0);
+        } else {
+            return (process.readAll().toUInt() > 0);
+        }
     }
     return false;
 #endif

client/utilities.h

@@ -22,7 +22,7 @@ public:
     static bool createEmptyFile(const QString &path);
     static bool initializePath(const QString &path);
 
-    static bool processIsRunning(const QString &fileName);
+    static bool processIsRunning(const QString &fileName, const bool fullFlag = false);
     static void killProcessByName(const QString &name);
 
     static QString openVpnExecPath();