Merge branch 'dev' into android_pt_transport_source

.github/workflows/deploy.yml

@@ -38,6 +38,7 @@ jobs:
 
     - name: 'Build project'
       run: |
+        sudo apt-get install libxkbcommon-x11-0
         export QT_BIN_DIR=${{ runner.temp }}/Qt/${{ env.QT_VERSION }}/gcc_64/bin
         export QIF_BIN_DIR=${{ runner.temp }}/Qt/Tools/QtInstallerFramework/${{ env.QIF_VERSION }}/bin
         bash deploy/build_linux.sh

client/CMakeLists.txt

@@ -588,13 +588,23 @@ elseif(APPLE AND NOT IOS)
 endif()
 
 if(NOT IOS)
-add_custom_command(
+    add_custom_command(
-    TARGET ${PROJECT} POST_BUILD
+        TARGET ${PROJECT} POST_BUILD
-    COMMAND ${CMAKE_COMMAND} -E $<IF:$<CONFIG:Debug>,copy_directory,true>
+        COMMAND ${CMAKE_COMMAND} -E $<IF:$<CONFIG:Debug>,copy_directory,true>
-    ${CMAKE_SOURCE_DIR}/deploy/data/${DEPLOY_ARTIFACT_PATH}
+        ${CMAKE_SOURCE_DIR}/deploy/data/${DEPLOY_ARTIFACT_PATH}
-    $<TARGET_FILE_DIR:${PROJECT}>
+        $<TARGET_FILE_DIR:${PROJECT}>
-    COMMAND_EXPAND_LISTS
+        COMMAND_EXPAND_LISTS
-)
+    )
+endif()
+
+if(WIN32)
+    add_custom_command(
+        TARGET ${PROJECT} POST_BUILD
+        COMMAND ${CMAKE_COMMAND} -E $<IF:$<CONFIG:Debug>,copy,true>
+        $<TARGET_FILE_DIR:${PROJECT}>/../service/wireguard-service/wireguard-service.exe
+        $<TARGET_FILE_DIR:${PROJECT}>/wireguard/wireguard-service.exe
+        COMMAND_EXPAND_LISTS
+    )
 endif()
 if(IOS)
  #include(cmake/ios-arch-fixup.cmake)

client/android/AndroidManifest.xml

@@ -34,6 +34,7 @@
         android:extractNativeLibs="true"
         android:requestLegacyExternalStorage="true"
         android:allowNativeHeapPointerTagging="false"
+        android:theme="@style/Theme.AppCompat.NoActionBar"
         android:icon="@drawable/icon">
         
         <activity
@@ -114,6 +115,10 @@
 
         </activity>
     
+        <activity
+            android:name=".qt.CameraActivity"
+            android:exported="false" />
+
         <service
             android:name=".VPNService"
             android:process=":QtOnlyProcess"

client/android/build.gradle

@@ -2,7 +2,7 @@ apply plugin: 'com.github.ben-manes.versions'
 
 buildscript {
    ext{
-       kotlin_version = "1.4.30-M1"
+       kotlin_version = "1.7.22"
        //  for libwg
        appcompatVersion = '1.1.0'
        annotationsVersion = '1.0.1'
@@ -29,12 +29,6 @@ buildscript {
     }
 }
 
-repositories {
-    google()
-    jcenter()
-    mavenCentral()
-}
-
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
@@ -44,14 +38,32 @@ apply plugin: 'kotlin-kapt'
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar', '*.aar'])
     implementation group: 'org.json', name: 'json', version: '20220924'
-    implementation 'androidx.core:core-ktx:1.1.0'
+    implementation 'androidx.core:core-ktx:1.7.0'
+    implementation 'androidx.appcompat:appcompat:1.4.1'
+
     implementation "androidx.security:security-crypto:1.1.0-alpha03"
     implementation "androidx.security:security-identity-credential:1.0.0-alpha02"
+
     implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.2.2"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.0"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.0"
+
     coreLibraryDesugaring "com.android.tools:desugar_jdk_libs:1.1.5"
+
     implementation project(path: ':shadowsocks')
+
+    // CameraX core library using the camera2 implementation
+    def camerax_version = "1.2.1"
+    implementation("androidx.camera:camera-core:${camerax_version}")
+    implementation("androidx.camera:camera-camera2:${camerax_version}")
+    implementation("androidx.camera:camera-lifecycle:${camerax_version}")
+    implementation("androidx.camera:camera-view:${camerax_version}")
+    implementation("androidx.camera:camera-extensions:${camerax_version}")
+
+    def camerax_ml_version = "1.2.0-beta02"
+    def ml_kit_version = "17.0.3"
+    implementation("androidx.camera:camera-mlkit-vision:${camerax_ml_version}")
+    implementation("com.google.mlkit:barcode-scanning:${ml_kit_version}")
 }
 
 androidExtensions {

client/android/res/layout/activity_camera.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	xmlns:tools="http://schemas.android.com/tools"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent"
+	tools:context=".CameraActivity">
+	
+	<androidx.camera.view.PreviewView
+		android:id="@+id/viewFinder"
+		android:layout_width="match_parent"
+		android:layout_height="match_parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

client/android/settings.gradle

@@ -1 +1,19 @@
+pluginManagement {
+    repositories {
+        google()
+        mavenCentral()
+        jcenter()
+        gradlePluginPortal()
+    }
+}
+
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+        jcenter()
+    }
+}
+
 include ':shadowsocks'

client/android/shadowsocks/build.gradle

@@ -1,21 +1,9 @@
-
-allprojects {
-    repositories {
-        google()
-        jcenter()
-        mavenCentral()
-    }
-}
-
-
 apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-kapt'
 //apply plugin: 'com.novoda.bintray-release'
 
-
-
 android {
     compileSdkVersion 30
     defaultConfig {

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

@@ -0,0 +1,158 @@
+package org.amnezia.vpn.qt
+
+import android.Manifest
+import android.annotation.SuppressLint
+import android.app.Activity
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.os.Bundle
+import android.util.Log
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import androidx.camera.core.*
+import androidx.camera.lifecycle.ProcessCameraProvider
+import androidx.camera.view.PreviewView
+import androidx.core.content.ContextCompat
+import com.google.mlkit.vision.barcode.BarcodeScannerOptions
+import com.google.mlkit.vision.barcode.BarcodeScanning
+import com.google.mlkit.vision.barcode.common.Barcode
+import com.google.mlkit.vision.common.InputImage
+import java.util.concurrent.ExecutorService
+import java.util.concurrent.Executors
+import org.amnezia.vpn.R
+
+
+class CameraActivity : AppCompatActivity() {
+
+    private val CAMERA_REQUEST = 100
+
+    private lateinit var cameraExecutor: ExecutorService
+    private lateinit var analyzerExecutor: ExecutorService
+
+    private lateinit var viewFinder: PreviewView
+
+    companion object {
+        private lateinit var instance: CameraActivity
+
+        @JvmStatic fun getInstance(): CameraActivity {
+            return instance
+        }
+
+        @JvmStatic fun stopQrCodeReader() {
+            CameraActivity.getInstance().finish()
+        }
+    }
+
+    external fun passDataToDecoder(data: String)
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_camera)
+
+        viewFinder = findViewById(R.id.viewFinder)
+
+        cameraExecutor = Executors.newSingleThreadExecutor()
+        analyzerExecutor = Executors.newSingleThreadExecutor()
+
+        instance = this
+
+        checkPermissions()
+
+        configureVideoPreview()
+    }
+
+    private fun checkPermissions() {
+        if (checkSelfPermission(Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
+            requestPermissions(arrayOf(Manifest.permission.CAMERA), CAMERA_REQUEST)
+        }
+    }
+
+    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+        if (requestCode == CAMERA_REQUEST) {
+            if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+                Toast.makeText(this, "CameraX permission granted", Toast.LENGTH_SHORT).show();
+            } else {
+                Toast.makeText(this, "CameraX permission denied", Toast.LENGTH_SHORT).show();
+            }
+        }
+    }
+
+    @SuppressLint("UnsafeOptInUsageError")
+    private fun configureVideoPreview() {
+        val cameraProviderFuture = ProcessCameraProvider.getInstance(this)
+        val imageCapture = ImageCapture.Builder().build()
+
+        cameraProviderFuture.addListener({
+            val cameraProvider: ProcessCameraProvider = cameraProviderFuture.get()
+
+            val preview = Preview.Builder().build()
+
+            val cameraSelector = CameraSelector.DEFAULT_BACK_CAMERA
+
+            val imageAnalyzer = BarCodeAnalyzer()
+
+            val analysisUseCase = ImageAnalysis.Builder()
+                .setBackpressureStrategy(ImageAnalysis.STRATEGY_KEEP_ONLY_LATEST)
+                .build()
+
+            analysisUseCase.setAnalyzer(analyzerExecutor, imageAnalyzer)
+
+            try {
+                preview.setSurfaceProvider(viewFinder.surfaceProvider)
+                cameraProvider.unbindAll()
+                cameraProvider.bindToLifecycle(this, cameraSelector, preview, imageCapture, analysisUseCase)
+            } catch(exc: Exception) {
+                Log.e("WUTT", "Use case binding failed", exc)
+            }
+        }, ContextCompat.getMainExecutor(this))
+    }
+
+    override fun onDestroy() {
+        cameraExecutor.shutdown()
+        analyzerExecutor.shutdown()
+
+        super.onDestroy()
+    }
+
+    val barcodesSet = mutableSetOf<String>()
+
+    private inner class BarCodeAnalyzer(): ImageAnalysis.Analyzer {
+
+        private val options = BarcodeScannerOptions.Builder()
+            .setBarcodeFormats(Barcode.FORMAT_QR_CODE)
+            .build()
+
+        private val scanner = BarcodeScanning.getClient(options)
+
+        @SuppressLint("UnsafeOptInUsageError")
+        override fun analyze(imageProxy: ImageProxy) {
+            val mediaImage = imageProxy.image
+
+            if (mediaImage != null) {
+                val image = InputImage.fromMediaImage(mediaImage, imageProxy.imageInfo.rotationDegrees)
+
+                scanner.process(image)
+                    .addOnSuccessListener { barcodes ->
+                        if (barcodes.isNotEmpty()) {
+                            val barcode = barcodes[0]
+                            if (barcode != null) {
+                                val str = barcode?.displayValue ?: ""
+                                if (str.isNotEmpty()) {
+                                    val isAdded = barcodesSet.add(str)
+                                    if (isAdded) {
+                                        passDataToDecoder(str)
+                                    }
+                                }
+                            }
+                        }
+
+                        imageProxy.close()
+                    }
+                    .addOnFailureListener {
+                        imageProxy.close()
+                    }
+            }
+        }
+    }
+}

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

@@ -36,6 +36,8 @@ class VPNActivity : org.qtproject.qt.android.bindings.QtActivity() {
     private val TAG = "VPNActivity"
     private val STORAGE_PERMISSION_CODE = 42
 
+    private val CAMERA_ACTION_CODE = 101
+
     companion object {
         private lateinit var instance: VPNActivity
 
@@ -47,6 +49,10 @@ class VPNActivity : org.qtproject.qt.android.bindings.QtActivity() {
             VPNActivity.getInstance().initServiceConnection()
         }
 
+        @JvmStatic fun startQrCodeReader() {
+            VPNActivity.getInstance().startQrCodeActivity()
+        }
+
         @JvmStatic fun sendToService(actionCode: Int, body: String) {
             VPNActivity.getInstance().dispatchParcel(actionCode, body)
         }
@@ -62,7 +68,12 @@ class VPNActivity : org.qtproject.qt.android.bindings.QtActivity() {
 
         super.onCreate(savedInstanceState)
 
-        instance = this;
+        instance = this
+    }
+
+    private fun startQrCodeActivity() {
+        val intent = Intent(this, CameraActivity::class.java)
+        startActivityForResult(intent, CAMERA_ACTION_CODE)
     }
 
     override fun getSystemService(name: String): Any? {
@@ -82,6 +93,7 @@ class VPNActivity : org.qtproject.qt.android.bindings.QtActivity() {
     external fun onServiceMessage(actionCode: Int, body: String?)
     external fun qtOnServiceConnected()
     external fun qtOnServiceDisconnected()
+    external fun onActivityMessage(actionCode: Int, body: String?)
 
     private fun dispatchParcel(actionCode: Int, body: String) {
         if (!isBound) {
@@ -286,6 +298,7 @@ class VPNActivity : org.qtproject.qt.android.bindings.QtActivity() {
     private val EVENT_PERMISSION_REQURED = 6
     private val EVENT_DISCONNECTED = 2
 
+    private val UI_EVENT_QR_CODE_RECEIVED = 0
 
     fun onPermissionRequest(code: Int, data: Parcel?) {
         if (code != EVENT_PERMISSION_REQURED) {
@@ -310,7 +323,13 @@ class VPNActivity : org.qtproject.qt.android.bindings.QtActivity() {
             }
             return
         }
+
         super.onActivityResult(requestCode, resultCode, data)
+
+        if (requestCode == CAMERA_ACTION_CODE && resultCode == RESULT_OK) {
+            val extra = data?.getStringExtra("result") ?: ""
+            onActivityMessage(UI_EVENT_QR_CODE_RECEIVED, extra)
+        }
     }
 
     override fun onKeyDown(keyCode: Int, event: KeyEvent): Boolean {

client/containers/containers_defs.cpp

@@ -27,6 +27,16 @@ QString ContainerProps::containerToString(amnezia::DockerContainer c){
     return "amnezia-" + containerKey.toLower();
 }
 
+QString ContainerProps::containerTypeToString(amnezia::DockerContainer c){
+    if (c == DockerContainer::None) return "none";
+    if (c == DockerContainer::Ipsec) return "ikev2";
+
+    QMetaEnum metaEnum = QMetaEnum::fromType<DockerContainer>();
+    QString containerKey = metaEnum.valueToKey(static_cast<int>(c));
+
+    return containerKey.toLower();
+}
+
 QVector<amnezia::Proto> ContainerProps::protocolsForContainer(amnezia::DockerContainer container)
 {
     switch (container) {
@@ -172,3 +182,10 @@ return false;
 #endif
 }
 
+QStringList ContainerProps::fixedPortsForContainer(DockerContainer c)
+{
+    switch (c) {
+    case DockerContainer::Ipsec :        return QStringList{"500", "4500"};
+    default:                             return {};
+    }
+}

client/containers/containers_defs.h

@@ -37,24 +37,26 @@ class ContainerProps : public QObject
     Q_OBJECT
 
 public:
-    Q_INVOKABLE static DockerContainer containerFromString(const QString &container);
+    Q_INVOKABLE static amnezia::DockerContainer containerFromString(const QString &container);
-    Q_INVOKABLE static QString containerToString(DockerContainer container);
+    Q_INVOKABLE static QString containerToString(amnezia::DockerContainer container);
+    Q_INVOKABLE static QString containerTypeToString(amnezia::DockerContainer c);
 
-    Q_INVOKABLE static QList<DockerContainer> allContainers();
+    Q_INVOKABLE static QList<amnezia::DockerContainer> allContainers();
 
-    Q_INVOKABLE static QMap<DockerContainer, QString> containerHumanNames();
+    Q_INVOKABLE static QMap<amnezia::DockerContainer, QString> containerHumanNames();
-    Q_INVOKABLE static QMap<DockerContainer, QString> containerDescriptions();
+    Q_INVOKABLE static QMap<amnezia::DockerContainer, QString> containerDescriptions();
 
     // these protocols will be displayed in container settings
-    Q_INVOKABLE static QVector<Proto> protocolsForContainer(DockerContainer container);
+    Q_INVOKABLE static QVector<amnezia::Proto> protocolsForContainer(amnezia::DockerContainer container);
 
-    Q_INVOKABLE static ServiceType containerService(DockerContainer c);
+    Q_INVOKABLE static amnezia::ServiceType containerService(amnezia::DockerContainer c);
 
     // binding between Docker container and main protocol of given container
     // it may be changed fot future containers :)
-    Q_INVOKABLE static Proto defaultProtocol(DockerContainer c);
+    Q_INVOKABLE static amnezia::Proto defaultProtocol(amnezia::DockerContainer c);
 
-    Q_INVOKABLE static bool isSupportedByCurrentPlatform(DockerContainer c);
+    Q_INVOKABLE static bool isSupportedByCurrentPlatform(amnezia::DockerContainer c);
+    Q_INVOKABLE static QStringList fixedPortsForContainer(amnezia::DockerContainer c);
 };
 
 

client/core/servercontroller.cpp

@@ -409,12 +409,18 @@ ErrorCode ServerController::removeContainer(const ServerCredentials &credentials
             genVarsForScript(credentials, container)));
 }
 
-ErrorCode ServerController::setupContainer(const ServerCredentials &credentials, DockerContainer container, QJsonObject &config)
+ErrorCode ServerController::setupContainer(const ServerCredentials &credentials, DockerContainer container,
+                                           QJsonObject &config, bool isUpdate)
 {
     qDebug().noquote() << "ServerController::setupContainer" << ContainerProps::containerToString(container);
     //qDebug().noquote() << QJsonDocument(config).toJson();
     ErrorCode e = ErrorCode::NoError;
 
+    if (!isUpdate) {
+        e = isServerPortBusy(credentials, container, config);
+        if (e) return e;
+    }
+
     e = installDockerWorker(credentials, container);
     if (e) return e;
     qDebug().noquote() << "ServerController::setupContainer installDockerWorker finished";
@@ -451,7 +457,7 @@ ErrorCode ServerController::updateContainer(const ServerCredentials &credentials
     qDebug() << "ServerController::updateContainer for container" << container << "reinstall required is" << reinstallRequred;
 
     if (reinstallRequred) {
-        return setupContainer(credentials, container, newConfig);
+        return setupContainer(credentials, container, newConfig, true);
     }
     else {
         ErrorCode e = configureContainerWorker(credentials, container, newConfig);
@@ -856,3 +862,79 @@ QString ServerController::replaceVars(const QString &script, const Vars &vars)
     //qDebug().noquote() << script;
     return s;
 }
+
+ErrorCode ServerController::isServerPortBusy(const ServerCredentials &credentials, DockerContainer container, const QJsonObject &config)
+{
+    QString stdOut;
+    auto cbReadStdOut = [&](const QString &data, QSharedPointer<QSsh::SshRemoteProcess> proc) {
+        stdOut += data + "\n";
+    };
+    auto cbReadStdErr = [&](const QString &data, QSharedPointer<QSsh::SshRemoteProcess> ) {
+        stdOut += data + "\n";
+    };
+
+    const QString containerString = ProtocolProps::protoToString(ContainerProps::defaultProtocol(container));
+    const QJsonObject containerConfig = config.value(containerString).toObject();
+
+    QStringList fixedPorts = ContainerProps::fixedPortsForContainer(container);
+
+    QString port = containerConfig.value(config_key::port).toString();
+    QString transportProto = containerConfig.value(config_key::transport_proto).toString();
+
+    QString script = QString("sudo lsof -i -P -n | grep -E ':%1").arg(port);
+    for (auto &port : fixedPorts) {
+        script = script.append("|:%1").arg(port);
+    }
+    script = script.append("' | grep -i %1").arg(transportProto);
+    runScript(credentials,
+              replaceVars(script, genVarsForScript(credentials, container)), cbReadStdOut, cbReadStdErr);
+
+    if (!stdOut.isEmpty()) {
+        return ErrorCode::ServerPortAlreadyAllocatedError;
+    }
+    return ErrorCode::NoError;
+}
+
+ErrorCode ServerController::getAlreadyInstalledContainers(const ServerCredentials &credentials, QMap<DockerContainer, QJsonObject> &installedContainers)
+{
+    QString stdOut;
+    auto cbReadStdOut = [&](const QString &data, QSharedPointer<QSsh::SshRemoteProcess> proc) {
+        stdOut += data + "\n";
+    };
+    auto cbReadStdErr = [&](const QString &data, QSharedPointer<QSsh::SshRemoteProcess> ) {
+        stdOut += data + "\n";
+    };
+
+    QString script = QString("sudo docker ps --format '{{.Names}} {{.Ports}}'");
+
+    ErrorCode errorCode = runScript(credentials, script, cbReadStdOut, cbReadStdErr);
+    if (errorCode != ErrorCode::NoError) {
+        return errorCode;
+    }
+
+    auto containersInfo = stdOut.split("\n");
+    for (auto &containerInfo : containersInfo) {
+        if (containerInfo.isEmpty()) {
+            continue;
+        }
+        const static QRegularExpression containerAndPortRegExp("(amnezia[-a-z]*).*?>([0-9]*)/(udp|tcp).*");
+        QRegularExpressionMatch containerAndPortMatch = containerAndPortRegExp.match(containerInfo);
+        if (containerAndPortMatch.hasMatch()) {
+            QString name = containerAndPortMatch.captured(1);
+            QString port = containerAndPortMatch.captured(2);
+            QString transportProto = containerAndPortMatch.captured(3);
+            DockerContainer container = ContainerProps::containerFromString(name);
+            Proto mainProto = ContainerProps::defaultProtocol(container);
+            QJsonObject config {
+                { config_key::container, name },
+                { ProtocolProps::protoToString(mainProto), QJsonObject {
+                    { config_key::port, port },
+                    { config_key::transport_proto, transportProto }}
+                }
+            };
+            installedContainers.insert(container, config);
+        }
+    }
+
+    return ErrorCode::NoError;
+}

client/core/servercontroller.h

@@ -35,9 +35,10 @@ public:
 
     ErrorCode removeAllContainers(const ServerCredentials &credentials);
     ErrorCode removeContainer(const ServerCredentials &credentials, DockerContainer container);
-    ErrorCode setupContainer(const ServerCredentials &credentials, DockerContainer container, QJsonObject &config);
+    ErrorCode setupContainer(const ServerCredentials &credentials, DockerContainer container,
+                             QJsonObject &config, bool isUpdate = false);
     ErrorCode updateContainer(const ServerCredentials &credentials, DockerContainer container,
-        const QJsonObject &oldConfig, QJsonObject &newConfig);
+                              const QJsonObject &oldConfig, QJsonObject &newConfig);
 
     // create initial config - generate passwords, etc
     QJsonObject createContainerInitialConfig(DockerContainer container, int port, TransportProto tp);
@@ -74,6 +75,7 @@ public:
     QSsh::SshConnection *connectToHost(const QSsh::SshConnectionParameters &sshParams);
 
     void setCancelInstallation(const bool cancel);
+    ErrorCode getAlreadyInstalledContainers(const ServerCredentials &credentials, QMap<DockerContainer, QJsonObject> &installedContainers);
 private:
 
     ErrorCode installDockerWorker(const ServerCredentials &credentials, DockerContainer container);
@@ -82,6 +84,7 @@ private:
     ErrorCode runContainerWorker(const ServerCredentials &credentials, DockerContainer container, QJsonObject &config);
     ErrorCode configureContainerWorker(const ServerCredentials &credentials, DockerContainer container, QJsonObject &config);
     ErrorCode startupContainerWorker(const ServerCredentials &credentials, DockerContainer container, const QJsonObject &config = QJsonObject());
+    ErrorCode isServerPortBusy(const ServerCredentials &credentials, DockerContainer container, const QJsonObject &config);
 
     std::shared_ptr<Settings> m_settings;
     std::shared_ptr<VpnConfigurator> m_configurator;

client/platforms/android/android_controller.cpp

@@ -15,7 +15,6 @@
 #include "private/qandroidextras_p.h"
 #include "ui/pages_logic/StartPageLogic.h"
 
-#include "androidvpnactivity.h"
 #include "androidutils.h"
 
 namespace {
@@ -262,6 +261,11 @@ void AndroidController::setVpnConfig(const QJsonObject &newVpnConfig)
     m_vpnConfig = newVpnConfig;
 }
 
+void AndroidController::startQrReaderActivity()
+{
+    AndroidVPNActivity::instance()->startQrCodeReader();
+}
+
 void AndroidController::scheduleStatusCheckSlot()
 {
     QTimer::singleShot(1000, [this]() {

client/platforms/android/android_controller.h

@@ -11,6 +11,7 @@
 #include "ui/pages_logic/StartPageLogic.h"
 
 #include "protocols/vpnprotocol.h"
+#include "androidvpnactivity.h"
 
 using namespace amnezia;
 
@@ -42,6 +43,8 @@ public:
     const QJsonObject &vpnConfig() const;
     void setVpnConfig(const QJsonObject &newVpnConfig);
 
+    void startQrReaderActivity();
+
 signals:
     void connectionStateChanged(VpnProtocol::VpnConnectionState state);
 
@@ -50,8 +53,7 @@ signals:
     // to true and the "connectionDate" should be set to the activation date if
     // known.
     // If "status" is set to false, the backend service is considered unavailable.
-    void initialized(bool status, bool connected,
+    void initialized(bool status, bool connected, const QDateTime& connectionDate);
-                     const QDateTime& connectionDate);
 
     void statusUpdated(QString totalRx, QString totalTx, QString endpoint, QString deviceIPv4);
     void scheduleStatusCheckSignal();
@@ -59,9 +61,6 @@ signals:
 protected slots:
     void scheduleStatusCheckSlot();
 
-protected:
-
-
 private:
     bool m_init = false;
 

client/platforms/android/androidvpnactivity.cpp

@@ -22,12 +22,10 @@ AndroidVPNActivity::AndroidVPNActivity() {
     AndroidUtils::runOnAndroidThreadAsync([]() {
         JNINativeMethod methods[]{
             {"handleBackButton", "()Z", reinterpret_cast<bool*>(handleBackButton)},
-            {"onServiceMessage", "(ILjava/lang/String;)V",
+            {"onServiceMessage", "(ILjava/lang/String;)V", reinterpret_cast<void*>(onServiceMessage)},
-             reinterpret_cast<void*>(onServiceMessage)},
+            {"qtOnServiceConnected", "()V", reinterpret_cast<void*>(onServiceConnected)},
-            {"qtOnServiceConnected", "()V",
+            {"qtOnServiceDisconnected", "()V", reinterpret_cast<void*>(onServiceDisconnected)},
-             reinterpret_cast<void*>(onServiceConnected)},
+            {"onActivityMessage", "(ILjava/lang/String;)V", reinterpret_cast<void*>(onAndroidVpnActivityMessage)}
-            {"qtOnServiceDisconnected", "()V",
-             reinterpret_cast<void*>(onServiceDisconnected)},
         };
 
         QJniObject javaClass(CLASSNAME);
@@ -54,6 +52,11 @@ void AndroidVPNActivity::connectService() {
     QJniObject::callStaticMethod<void>(CLASSNAME, "connectService", "()V");
 }
 
+void AndroidVPNActivity::startQrCodeReader()
+{
+    QJniObject::callStaticMethod<void>(CLASSNAME, "startQrCodeReader", "()V");
+}
+
 // static
 AndroidVPNActivity* AndroidVPNActivity::instance() {
     if (s_instance == nullptr) {
@@ -121,6 +124,19 @@ void AndroidVPNActivity::handleServiceMessage(int code, const QString& data) {
     }
 }
 
+void AndroidVPNActivity::handleActivityMessage(int code, const QString &data)
+{
+    auto mode = (UIEvents)code;
+
+    switch (mode) {
+    case UIEvents::QR_CODED_DECODED:
+        emit eventQrCodeReceived(data);
+        break;
+    default:
+        Q_ASSERT(false);
+    }
+}
+
 void AndroidVPNActivity::onServiceConnected(JNIEnv* env, jobject thiz) {
     Q_UNUSED(env);
     Q_UNUSED(thiz);
@@ -134,3 +150,19 @@ void AndroidVPNActivity::onServiceDisconnected(JNIEnv* env, jobject thiz) {
 
     emit AndroidVPNActivity::instance()->serviceDisconnected();
 }
+
+void AndroidVPNActivity::onAndroidVpnActivityMessage(JNIEnv *env, jobject thiz, jint messageType, jstring message)
+{
+    Q_UNUSED(thiz);
+    const char* buffer = env->GetStringUTFChars(message, nullptr);
+    if (!buffer) {
+        return;
+    }
+
+    QString parcelBody(buffer);
+    env->ReleaseStringUTFChars(message, buffer);
+
+    AndroidUtils::dispatchToMainThread([messageType, parcelBody] {
+        AndroidVPNActivity::instance()->handleActivityMessage(messageType, parcelBody);
+    });
+}

client/platforms/android/androidvpnactivity.h

@@ -59,6 +59,11 @@ enum ServiceEvents {
 };
 typedef enum ServiceEvents ServiceEvents;
 
+enum UIEvents {
+    QR_CODED_DECODED = 0,
+};
+typedef enum UIEvents UIEvents;
+
 class AndroidVPNActivity : public QObject
 {
     Q_OBJECT
@@ -69,6 +74,7 @@ public:
     static bool handleBackButton(JNIEnv* env, jobject thiz);
     static void sendToService(ServiceAction type, const QString& data);
     static void connectService();
+    static void startQrCodeReader();
 
 signals:
     void serviceConnected();
@@ -80,6 +86,7 @@ signals:
     void eventBackendLogs(const QString& data);
     void eventActivationError(const QString& data);
     void eventConfigImport(const QString& data);
+    void eventQrCodeReceived(const QString& data);
 
 private:
     AndroidVPNActivity();
@@ -87,7 +94,9 @@ private:
     static void onServiceMessage(JNIEnv* env, jobject thiz, jint messageType, jstring body);
     static void onServiceConnected(JNIEnv* env, jobject thiz);
     static void onServiceDisconnected(JNIEnv* env, jobject thiz);
+    static void onAndroidVpnActivityMessage(JNIEnv* env, jobject thiz, jint messageType, jstring message);
     void handleServiceMessage(int code, const QString& data);
+    void handleActivityMessage(int code, const QString& data);
 };
 
 #endif // ANDROIDVPNACTIVITY_H

client/resources.qrc

@@ -81,7 +81,6 @@
         <file>ui/qml/Pages/PageSites.qml</file>
         <file>ui/qml/Pages/PageStart.qml</file>
         <file>ui/qml/Pages/PageVPN.qml</file>
-        <file>ui/qml/Pages/PageQrDecoder.qml</file>
         <file>ui/qml/Pages/PageAbout.qml</file>
         <file>ui/qml/Pages/PageQrDecoderIos.qml</file>
         <file>ui/qml/Pages/PageViewConfig.qml</file>
@@ -164,5 +163,7 @@
         <file>images/svg/settings_suggest_black_24dp.svg</file>
         <file>server_scripts/website_tor/Dockerfile</file>
         <file>ui/qml/Controls/PopupWithQuestion.qml</file>
+        <file>ui/qml/Pages/PageAdvancedServerSettings.qml</file>
+        <file>ui/qml/Controls/PopupWarning.qml</file>
     </qresource>
 </RCC>

client/ui/pages.h

@@ -24,7 +24,7 @@ enum class Page {Start = 0, NewServer, NewServerProtocols, Vpn,
            Wizard, WizardLow, WizardMedium, WizardHigh, WizardVpnMode, ServerConfiguringProgress,
            GeneralSettings, AppSettings, NetworkSettings, ServerSettings,
            ServerContainers, ServersList, ShareConnection,  Sites,
-           ProtocolSettings, ProtocolShare, QrDecoder, QrDecoderIos, About, ViewConfig};
+           ProtocolSettings, ProtocolShare, QrDecoder, QrDecoderIos, About, ViewConfig, AdvancedServerSettings};
 Q_ENUM_NS(Page)
 
 static void declareQmlPageEnum() {

client/ui/pages_logic/AdvancedServerSettingsLogic.cpp

@@ -0,0 +1,88 @@
+#include "AdvancedServerSettingsLogic.h"
+
+#include "VpnLogic.h"
+#include "ui/uilogic.h"
+#include "core/errorstrings.h"
+#include "core/servercontroller.h"
+
+AdvancedServerSettingsLogic::AdvancedServerSettingsLogic(UiLogic *uiLogic, QObject *parent): PageLogicBase(uiLogic, parent),
+      m_labelWaitInfoVisible{true},
+      m_pushButtonClearVisible{true},
+      m_pushButtonClearText{tr("Clear server from Amnezia software")}
+{
+}
+
+void AdvancedServerSettingsLogic::onUpdatePage()
+{
+    set_labelWaitInfoVisible(false);
+    set_labelWaitInfoText("");
+    set_pushButtonClearVisible(m_settings->haveAuthData(uiLogic()->m_selectedServerIndex));
+    const QJsonObject &server = m_settings->server(uiLogic()->m_selectedServerIndex);
+    const QString &port = server.value(config_key::port).toString();
+
+    const QString &userName = server.value(config_key::userName).toString();
+    const QString &hostName = server.value(config_key::hostName).toString();
+    QString name = QString("%1%2%3%4%5").arg(userName,
+                                             userName.isEmpty() ? "" : "@",
+                                             hostName,
+                                             port.isEmpty() ? "" : ":",
+                                             port);
+
+    set_labelServerText(name);
+
+    DockerContainer selectedContainer = m_settings->defaultContainer(uiLogic()->m_selectedServerIndex);
+    QString selectedContainerName = ContainerProps::containerHumanNames().value(selectedContainer);
+    set_labelCurrentVpnProtocolText(tr("Service: ") + selectedContainerName);
+}
+
+void AdvancedServerSettingsLogic::onPushButtonClearServerClicked()
+{
+    set_pageEnabled(false);
+    set_pushButtonClearText(tr("Uninstalling Amnezia software..."));
+
+    if (m_settings->defaultServerIndex() == uiLogic()->m_selectedServerIndex) {
+        uiLogic()->pageLogic<VpnLogic>()->onDisconnect();
+    }
+
+    ErrorCode e = m_serverController->removeAllContainers(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex));
+    m_serverController->disconnectFromHost(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex));
+    if (e) {
+        emit uiLogic()->showWarningMessage(tr("Error occurred while cleaning the server.") + "\n" +
+                                           tr("Error message: ") + errorString(e) + "\n" +
+                                           tr("See logs for details."));
+    } else {
+        set_labelWaitInfoVisible(true);
+        set_labelWaitInfoText(tr("Amnezia server successfully uninstalled"));
+    }
+
+    m_settings->setContainers(uiLogic()->m_selectedServerIndex, {});
+    m_settings->setDefaultContainer(uiLogic()->m_selectedServerIndex, DockerContainer::None);
+
+    set_pageEnabled(true);
+    set_pushButtonClearText(tr("Clear server from Amnezia software"));
+}
+
+void AdvancedServerSettingsLogic::onPushButtonScanServerClicked()
+{
+    set_labelWaitInfoVisible(false);
+    set_pageEnabled(false);
+
+    bool isServerCreated;
+    auto containersCount = m_settings->containers(uiLogic()->m_selectedServerIndex).size();
+    ErrorCode errorCode = uiLogic()->addAlreadyInstalledContainersGui(false, isServerCreated);
+    if (errorCode != ErrorCode::NoError) {
+        emit uiLogic()->showWarningMessage(tr("Error occurred while scanning the server.") + "\n" +
+                                           tr("Error message: ") + errorString(errorCode) + "\n" +
+                                           tr("See logs for details."));
+    }
+    auto newContainersCount = m_settings->containers(uiLogic()->m_selectedServerIndex).size();
+    if (containersCount != newContainersCount) {
+        emit uiLogic()->showWarningMessage(tr("All containers installed on the server are added to the GUI"));
+    } else {
+        emit uiLogic()->showWarningMessage(tr("No installed containers found on the server"));
+    }
+
+
+    onUpdatePage();
+    set_pageEnabled(true);
+}

client/ui/pages_logic/AdvancedServerSettingsLogic.h

@@ -0,0 +1,31 @@
+#ifndef ADVANCEDSERVERSETTINGSLOGIC_H
+#define ADVANCEDSERVERSETTINGSLOGIC_H
+
+#include "PageLogicBase.h"
+
+class UiLogic;
+
+class AdvancedServerSettingsLogic : public PageLogicBase
+{
+    Q_OBJECT
+
+    AUTO_PROPERTY(bool, labelWaitInfoVisible)
+    AUTO_PROPERTY(QString, labelWaitInfoText)
+
+    AUTO_PROPERTY(QString, pushButtonClearText)
+    AUTO_PROPERTY(bool, pushButtonClearVisible)
+
+    AUTO_PROPERTY(QString, labelServerText)
+    AUTO_PROPERTY(QString, labelCurrentVpnProtocolText)
+
+public:
+    explicit AdvancedServerSettingsLogic(UiLogic *uiLogic, QObject *parent = nullptr);
+    ~AdvancedServerSettingsLogic() = default;
+
+    Q_INVOKABLE void onUpdatePage() override;
+
+    Q_INVOKABLE void onPushButtonClearServerClicked();
+    Q_INVOKABLE void onPushButtonScanServerClicked();
+};
+
+#endif // ADVANCEDSERVERSETTINGSLOGIC_H

client/ui/pages_logic/AppSettingsLogic.cpp

@@ -7,7 +7,6 @@
 
 #include <QDesktopServices>
 #include <QFileDialog>
-#include <QMessageBox>
 #include <QStandardPaths>
 
 using namespace amnezia;
@@ -96,10 +95,8 @@ void AppSettingsLogic::onPushButtonRestoreAppConfigClicked()
     if (ok) {
         emit uiLogic()->goToPage(Page::Vpn);
         emit uiLogic()->setStartPage(Page::Vpn);
-    }
+    } else {
-    else {
+        emit uiLogic()->showWarningMessage(tr("Can't import config, file is corrupted."));
-        QMessageBox::warning(nullptr, APPLICATION_NAME,
-            tr("Can't import config, file is corrupted."));
     }
 
 }

client/ui/pages_logic/GeneralSettingsLogic.cpp

@@ -12,29 +12,29 @@ GeneralSettingsLogic::GeneralSettingsLogic(UiLogic *logic, QObject *parent):
 
 void GeneralSettingsLogic::onUpdatePage()
 {
-    uiLogic()->selectedServerIndex = m_settings->defaultServerIndex();
+    uiLogic()->m_selectedServerIndex = m_settings->defaultServerIndex();
-    set_existsAnyServer(uiLogic()->selectedServerIndex >= 0);
+    set_existsAnyServer(uiLogic()->m_selectedServerIndex >= 0);
-    uiLogic()->selectedDockerContainer = m_settings->defaultContainer(m_settings->defaultServerIndex());
+    uiLogic()->m_selectedDockerContainer = m_settings->defaultContainer(m_settings->defaultServerIndex());
 
     set_pushButtonGeneralSettingsShareConnectionEnable(m_settings->haveAuthData(m_settings->defaultServerIndex()));
 }
 
 void GeneralSettingsLogic::onPushButtonGeneralSettingsServerSettingsClicked()
 {
-    uiLogic()->selectedServerIndex = m_settings->defaultServerIndex();
+    uiLogic()->m_selectedServerIndex = m_settings->defaultServerIndex();
-    uiLogic()->selectedDockerContainer = m_settings->defaultContainer(m_settings->defaultServerIndex());
+    uiLogic()->m_selectedDockerContainer = m_settings->defaultContainer(m_settings->defaultServerIndex());
 
     emit uiLogic()->goToPage(Page::ServerSettings);
 }
 
 void GeneralSettingsLogic::onPushButtonGeneralSettingsShareConnectionClicked()
 {
-    uiLogic()->selectedServerIndex = m_settings->defaultServerIndex();
+    uiLogic()->m_selectedServerIndex = m_settings->defaultServerIndex();
-    uiLogic()->selectedDockerContainer = m_settings->defaultContainer(uiLogic()->selectedServerIndex);
+    uiLogic()->m_selectedDockerContainer = m_settings->defaultContainer(uiLogic()->m_selectedServerIndex);
 
-    qobject_cast<ProtocolsModel *>(uiLogic()->protocolsModel())->setSelectedServerIndex(uiLogic()->selectedServerIndex);
+    qobject_cast<ProtocolsModel *>(uiLogic()->protocolsModel())->setSelectedServerIndex(uiLogic()->m_selectedServerIndex);
-    qobject_cast<ProtocolsModel *>(uiLogic()->protocolsModel())->setSelectedDockerContainer(uiLogic()->selectedDockerContainer);
+    qobject_cast<ProtocolsModel *>(uiLogic()->protocolsModel())->setSelectedDockerContainer(uiLogic()->m_selectedDockerContainer);
 
-    uiLogic()->pageLogic<ShareConnectionLogic>()->updateSharingPage(uiLogic()->selectedServerIndex, uiLogic()->selectedDockerContainer);
+    uiLogic()->pageLogic<ShareConnectionLogic>()->updateSharingPage(uiLogic()->m_selectedServerIndex, uiLogic()->m_selectedDockerContainer);
     emit uiLogic()->goToPage(Page::ShareConnection);
 }

client/ui/pages_logic/NewServerProtocolsLogic.cpp

@@ -17,7 +17,6 @@ void NewServerProtocolsLogic::onUpdatePage()
 
 void NewServerProtocolsLogic::onPushButtonConfigureClicked(DockerContainer c, int port, TransportProto tp)
 {
-    QMap<DockerContainer, QJsonObject> containers;
     Proto mainProto = ContainerProps::defaultProtocol(c);
 
     QJsonObject config {
@@ -28,8 +27,8 @@ void NewServerProtocolsLogic::onPushButtonConfigureClicked(DockerContainer c, in
         }
     };
 
-    containers.insert(c, config);
+    QPair<DockerContainer, QJsonObject> container(c, config);
 
-    uiLogic()->installServer(containers);
+    uiLogic()->installServer(container);
 }
 

client/ui/pages_logic/QrDecoderLogic.cpp

@@ -3,15 +3,70 @@
 #include "ui/uilogic.h"
 #include "ui/pages_logic/StartPageLogic.h"
 
+#ifdef Q_OS_ANDROID
+#include <QJniEnvironment>
+#include <QJniObject>
+#include "../../platforms/android/androidutils.h"
+#endif
+
 using namespace amnezia;
 using namespace PageEnumNS;
 
+namespace {
+    QrDecoderLogic* mInstance = nullptr;
+    constexpr auto CLASSNAME = "org.amnezia.vpn.qt.CameraActivity";
+}
+
 QrDecoderLogic::QrDecoderLogic(UiLogic *logic, QObject *parent):
     PageLogicBase(logic, parent)
 {
+    mInstance = this;
 
+    #if (defined(Q_OS_ANDROID))
+        AndroidUtils::runOnAndroidThreadAsync([]() {
+            JNINativeMethod methods[]{
+                {"passDataToDecoder", "(Ljava/lang/String;)V", reinterpret_cast<void*>(onNewDataChunk)},
+            };
+
+            QJniObject javaClass(CLASSNAME);
+            QJniEnvironment env;
+            jclass objectClass = env->GetObjectClass(javaClass.object<jobject>());
+            env->RegisterNatives(objectClass, methods, sizeof(methods) / sizeof(methods[0]));
+            env->DeleteLocalRef(objectClass);
+        });
+    #endif
 }
 
+void QrDecoderLogic::stopDecodingQr()
+{
+    #if (defined(Q_OS_ANDROID))
+        QJniObject::callStaticMethod<void>(CLASSNAME, "stopQrCodeReader", "()V");
+    #endif
+
+    emit stopDecode();
+}
+
+#ifdef Q_OS_ANDROID
+void QrDecoderLogic::onNewDataChunk(JNIEnv *env, jobject thiz, jstring data)
+{
+    Q_UNUSED(thiz);
+    const char* buffer = env->GetStringUTFChars(data, nullptr);
+    if (!buffer) {
+        return;
+    }
+
+    QString parcelBody(buffer);
+    env->ReleaseStringUTFChars(data, buffer);
+
+    if (mInstance != nullptr) {
+        if (!mInstance->m_detectingEnabled) {
+            mInstance->onUpdatePage();
+        }
+        mInstance->onDetectedQrCode(parcelBody);
+    }
+}
+#endif
+
 void QrDecoderLogic::onUpdatePage()
 {
     m_chunks.clear();
@@ -24,7 +79,6 @@ void QrDecoderLogic::onUpdatePage()
 void QrDecoderLogic::onDetectedQrCode(const QString &code)
 {
     //qDebug() << code;
-
     if (!detectingEnabled()) return;
 
     // check if chunk received
@@ -32,12 +86,12 @@ void QrDecoderLogic::onDetectedQrCode(const QString &code)
     QDataStream s(&ba, QIODevice::ReadOnly);
     qint16 magic; s >> magic;
 
-
     if (magic == amnezia::qrMagicCode) {
         quint8 chunksCount; s >> chunksCount;
         if (totalChunksCount() != chunksCount) {
             m_chunks.clear();
         }
+
         set_totalChunksCount(chunksCount);
 
         quint8 chunkId; s >> chunkId;
@@ -46,6 +100,7 @@ void QrDecoderLogic::onDetectedQrCode(const QString &code)
 
         if (m_chunks.size() == totalChunksCount()) {
             QByteArray data;
+
             for (int i = 0; i < totalChunksCount(); ++i) {
                 data.append(m_chunks.value(i));
             }
@@ -53,21 +108,18 @@ void QrDecoderLogic::onDetectedQrCode(const QString &code)
             bool ok = uiLogic()->pageLogic<StartPageLogic>()->importConnectionFromQr(data);
             if (ok) {
                 set_detectingEnabled(false);
-                emit stopDecode();
+                stopDecodingQr();
-            }
+            } else {
-            else {
                 m_chunks.clear();
                 set_totalChunksCount(0);
                 set_receivedChunksCount(0);
             }
         }
-    }
+    } else {
-    else {
         bool ok = uiLogic()->pageLogic<StartPageLogic>()->importConnectionFromQr(ba);
         if (ok) {
             set_detectingEnabled(false);
-            emit stopDecode();
+            stopDecodingQr();
         }
     }
 }
-

client/ui/pages_logic/QrDecoderLogic.h

@@ -3,6 +3,10 @@
 
 #include "PageLogicBase.h"
 
+#ifdef Q_OS_ANDROID
+#include "jni.h"
+#endif
+
 class UiLogic;
 
 class QrDecoderLogic : public PageLogicBase
@@ -16,10 +20,17 @@ public:
     Q_INVOKABLE void onUpdatePage() override;
     Q_INVOKABLE void onDetectedQrCode(const QString &code);
 
+#ifdef Q_OS_ANDROID
+    static void onNewDataChunk(JNIEnv *env, jobject thiz, jstring data);
+#endif
+
 public:
     explicit QrDecoderLogic(UiLogic *uiLogic, QObject *parent = nullptr);
     ~QrDecoderLogic() = default;
 
+private:
+    void stopDecodingQr();
+
 signals:
     void startDecode();
     void stopDecode();

client/ui/pages_logic/ServerConfiguringProgressLogic.cpp

@@ -3,7 +3,6 @@
 #include "core/errorstrings.h"
 #include <QTimer>
 #include <QEventLoop>
-#include <QMessageBox>
 
 #include "core/servercontroller.h"
 
@@ -142,9 +141,6 @@ ErrorCode ServerConfiguringProgressLogic::doInstallAction(const std::function<Er
         if (waitInfo.setVisibleFunc) {
             waitInfo.setVisibleFunc(false);
         }
-        QMessageBox::warning(nullptr, APPLICATION_NAME,
-                             tr("Error occurred while configuring server.") + "\n" +
-                             errorString(e));
 
         progress.setVisibleFunc(false);
         return e;

client/ui/pages_logic/ServerContainersLogic.cpp

@@ -14,6 +14,7 @@
 #include "../uilogic.h"
 #include "../pages_logic/VpnLogic.h"
 #include "vpnconnection.h"
+#include "core/errorstrings.h"
 
 
 ServerContainersLogic::ServerContainersLogic(UiLogic *logic, QObject *parent):
@@ -24,34 +25,34 @@ ServerContainersLogic::ServerContainersLogic(UiLogic *logic, QObject *parent):
 void ServerContainersLogic::onUpdatePage()
 {
     ContainersModel *c_model = qobject_cast<ContainersModel *>(uiLogic()->containersModel());
-    c_model->setSelectedServerIndex(uiLogic()->selectedServerIndex);
+    c_model->setSelectedServerIndex(uiLogic()->m_selectedServerIndex);
 
     ProtocolsModel *p_model = qobject_cast<ProtocolsModel *>(uiLogic()->protocolsModel());
-    p_model->setSelectedServerIndex(uiLogic()->selectedServerIndex);
+    p_model->setSelectedServerIndex(uiLogic()->m_selectedServerIndex);
 
-    set_isManagedServer(m_settings->haveAuthData(uiLogic()->selectedServerIndex));
+    set_isManagedServer(m_settings->haveAuthData(uiLogic()->m_selectedServerIndex));
     emit updatePage();
 }
 
 void ServerContainersLogic::onPushButtonProtoSettingsClicked(DockerContainer c, Proto p)
 {
     qDebug()<< "ServerContainersLogic::onPushButtonProtoSettingsClicked" << c << p;
-    uiLogic()->selectedDockerContainer = c;
+    uiLogic()->m_selectedDockerContainer = c;
-    uiLogic()->protocolLogic(p)->updateProtocolPage(m_settings->protocolConfig(uiLogic()->selectedServerIndex, uiLogic()->selectedDockerContainer, p),
+    uiLogic()->protocolLogic(p)->updateProtocolPage(m_settings->protocolConfig(uiLogic()->m_selectedServerIndex, uiLogic()->m_selectedDockerContainer, p),
-                      uiLogic()->selectedDockerContainer,
+                      uiLogic()->m_selectedDockerContainer,
-                      m_settings->haveAuthData(uiLogic()->selectedServerIndex));
+                      m_settings->haveAuthData(uiLogic()->m_selectedServerIndex));
 
     emit uiLogic()->goToProtocolPage(p);
 }
 
 void ServerContainersLogic::onPushButtonDefaultClicked(DockerContainer c)
 {
-    if (m_settings->defaultContainer(uiLogic()->selectedServerIndex) == c) return;
+    if (m_settings->defaultContainer(uiLogic()->m_selectedServerIndex) == c) return;
 
-    m_settings->setDefaultContainer(uiLogic()->selectedServerIndex, c);
+    m_settings->setDefaultContainer(uiLogic()->m_selectedServerIndex, c);
     uiLogic()->onUpdateAllPages();
 
-    if (uiLogic()->selectedServerIndex != m_settings->defaultServerIndex()) return;
+    if (uiLogic()->m_selectedServerIndex != m_settings->defaultServerIndex()) return;
     if (!uiLogic()->m_vpnConnection) return;
     if (!uiLogic()->m_vpnConnection->isConnected()) return;
 
@@ -61,21 +62,21 @@ void ServerContainersLogic::onPushButtonDefaultClicked(DockerContainer c)
 
 void ServerContainersLogic::onPushButtonShareClicked(DockerContainer c)
 {
-    uiLogic()->pageLogic<ShareConnectionLogic>()->updateSharingPage(uiLogic()->selectedServerIndex, c);
+    uiLogic()->pageLogic<ShareConnectionLogic>()->updateSharingPage(uiLogic()->m_selectedServerIndex, c);
     emit uiLogic()->goToPage(Page::ShareConnection);
 }
 
 void ServerContainersLogic::onPushButtonRemoveClicked(DockerContainer container)
 {
     //buttonSetEnabledFunc(false);
-    ErrorCode e = m_serverController->removeContainer(m_settings->serverCredentials(uiLogic()->selectedServerIndex), container);
+    ErrorCode e = m_serverController->removeContainer(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex), container);
-    m_settings->removeContainerConfig(uiLogic()->selectedServerIndex, container);
+    m_settings->removeContainerConfig(uiLogic()->m_selectedServerIndex, container);
     //buttonSetEnabledFunc(true);
 
-    if (m_settings->defaultContainer(uiLogic()->selectedServerIndex) == container) {
+    if (m_settings->defaultContainer(uiLogic()->m_selectedServerIndex) == container) {
-        const auto &c = m_settings->containers(uiLogic()->selectedServerIndex);
+        const auto &c = m_settings->containers(uiLogic()->m_selectedServerIndex);
-        if (c.isEmpty()) m_settings->setDefaultContainer(uiLogic()->selectedServerIndex, DockerContainer::None);
+        if (c.isEmpty()) m_settings->setDefaultContainer(uiLogic()->m_selectedServerIndex, DockerContainer::None);
-        else m_settings->setDefaultContainer(uiLogic()->selectedServerIndex, c.keys().first());
+        else m_settings->setDefaultContainer(uiLogic()->m_selectedServerIndex, c.keys().first());
     }
     uiLogic()->onUpdateAllPages();
 }
@@ -87,17 +88,33 @@ void ServerContainersLogic::onPushButtonContinueClicked(DockerContainer c, int p
     emit uiLogic()->goToPage(Page::ServerConfiguringProgress);
     qApp->processEvents();
 
-    ErrorCode e = uiLogic()->pageLogic<ServerConfiguringProgressLogic>()->doInstallAction([this, c, &config](){
+    bool isServerCreated = false;
-        return m_serverController->setupContainer(m_settings->serverCredentials(uiLogic()->selectedServerIndex), c, config);
+    ErrorCode errorCode = uiLogic()->addAlreadyInstalledContainersGui(false, isServerCreated);
-    });
 
-    if (!e) {
+    if (errorCode == ErrorCode::NoError) {
-        m_settings->setContainerConfig(uiLogic()->selectedServerIndex, c, config);
+        if (!uiLogic()->isContainerAlreadyAddedToGui(c)) {
-        if (ContainerProps::containerService(c) == ServiceType::Vpn) {
+            auto installAction = [this, c, &config]() {
-            m_settings->setDefaultContainer(uiLogic()->selectedServerIndex, c);
+                return m_serverController->setupContainer(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex), c, config);
+            };
+            errorCode = uiLogic()->pageLogic<ServerConfiguringProgressLogic>()->doInstallAction(installAction);
+
+            if (errorCode == ErrorCode::NoError) {
+                m_settings->setContainerConfig(uiLogic()->m_selectedServerIndex, c, config);
+                if (ContainerProps::containerService(c) == ServiceType::Vpn) {
+                    m_settings->setDefaultContainer(uiLogic()->m_selectedServerIndex, c);
+                }
+            }
+        } else {
+            emit uiLogic()->showWarningMessage("Attention! The container you are trying to install is already installed on the server. "
+                                               "All installed containers have been added to the application ");
         }
-    }
 
-    uiLogic()->onUpdateAllPages();
+        uiLogic()->onUpdateAllPages();
+    }
+    if (errorCode != ErrorCode::NoError) {
+        emit uiLogic()->showWarningMessage(tr("Error occurred while configuring server.") + "\n" +
+                                           tr("Error message: ") + errorString(errorCode) + "\n" +
+                                           tr("See logs for details."));
+    }
     emit uiLogic()->closePage();
 }

client/ui/pages_logic/ServerListLogic.cpp

@@ -20,7 +20,7 @@ void ServerListLogic::onServerListPushbuttonDefaultClicked(int index)
 
 void ServerListLogic::onServerListPushbuttonSettingsClicked(int index)
 {
-    uiLogic()->selectedServerIndex = index;
+    uiLogic()->m_selectedServerIndex = index;
     uiLogic()->goToPage(Page::ServerSettings);
 }
 

client/ui/pages_logic/ServerSettingsLogic.cpp

@@ -16,10 +16,8 @@
 ServerSettingsLogic::ServerSettingsLogic(UiLogic *logic, QObject *parent):
     PageLogicBase(logic, parent),
     m_labelWaitInfoVisible{true},
-    m_pushButtonClearVisible{true},
     m_pushButtonClearClientCacheVisible{true},
     m_pushButtonShareFullVisible{true},
-    m_pushButtonClearText{tr("Clear server from Amnezia software")},
     m_pushButtonClearClientCacheText{tr("Clear client cached profile")}
 { }
 
@@ -27,10 +25,9 @@ void ServerSettingsLogic::onUpdatePage()
 {
     set_labelWaitInfoVisible(false);
     set_labelWaitInfoText("");
-    set_pushButtonClearVisible(m_settings->haveAuthData(uiLogic()->selectedServerIndex));
+    set_pushButtonClearClientCacheVisible(m_settings->haveAuthData(uiLogic()->m_selectedServerIndex));
-    set_pushButtonClearClientCacheVisible(m_settings->haveAuthData(uiLogic()->selectedServerIndex));
+    set_pushButtonShareFullVisible(m_settings->haveAuthData(uiLogic()->m_selectedServerIndex));
-    set_pushButtonShareFullVisible(m_settings->haveAuthData(uiLogic()->selectedServerIndex));
+    const QJsonObject &server = m_settings->server(uiLogic()->m_selectedServerIndex);
-    const QJsonObject &server = m_settings->server(uiLogic()->selectedServerIndex);
     const QString &port = server.value(config_key::port).toString();
 
     const QString &userName = server.value(config_key::userName).toString();
@@ -45,52 +42,22 @@ void ServerSettingsLogic::onUpdatePage()
     set_labelServerText(name);
     set_lineEditDescriptionText(server.value(config_key::description).toString());
 
-    DockerContainer selectedContainer = m_settings->defaultContainer(uiLogic()->selectedServerIndex);
+    DockerContainer selectedContainer = m_settings->defaultContainer(uiLogic()->m_selectedServerIndex);
     QString selectedContainerName = ContainerProps::containerHumanNames().value(selectedContainer);
     set_labelCurrentVpnProtocolText(tr("Service: ") + selectedContainerName);
 }
 
-void ServerSettingsLogic::onPushButtonClearServer()
-{
-    set_pageEnabled(false);
-    set_pushButtonClearText(tr("Uninstalling Amnezia software..."));
-
-    if (m_settings->defaultServerIndex() == uiLogic()->selectedServerIndex) {
-        uiLogic()->pageLogic<VpnLogic>()->onDisconnect();
-    }
-
-    ErrorCode e = m_serverController->removeAllContainers(m_settings->serverCredentials(uiLogic()->selectedServerIndex));
-    m_serverController->disconnectFromHost(m_settings->serverCredentials(uiLogic()->selectedServerIndex));
-    if (e) {
-        uiLogic()->set_dialogConnectErrorText(
-                    tr("Error occurred while configuring server.") + "\n" +
-                    errorString(e) + "\n" +
-                    tr("See logs for details."));
-        emit uiLogic()->showConnectErrorDialog();
-    }
-    else {
-        set_labelWaitInfoVisible(true);
-        set_labelWaitInfoText(tr("Amnezia server successfully uninstalled"));
-    }
-
-    m_settings->setContainers(uiLogic()->selectedServerIndex, {});
-    m_settings->setDefaultContainer(uiLogic()->selectedServerIndex, DockerContainer::None);
-
-    set_pageEnabled(true);
-    set_pushButtonClearText(tr("Clear server from Amnezia software"));
-}
-
 void ServerSettingsLogic::onPushButtonForgetServer()
 {
-    if (m_settings->defaultServerIndex() == uiLogic()->selectedServerIndex && uiLogic()->m_vpnConnection->isConnected()) {
+    if (m_settings->defaultServerIndex() == uiLogic()->m_selectedServerIndex && uiLogic()->m_vpnConnection->isConnected()) {
         uiLogic()->pageLogic<VpnLogic>()->onDisconnect();
     }
-    m_settings->removeServer(uiLogic()->selectedServerIndex);
+    m_settings->removeServer(uiLogic()->m_selectedServerIndex);
 
-    if (m_settings->defaultServerIndex() == uiLogic()->selectedServerIndex) {
+    if (m_settings->defaultServerIndex() == uiLogic()->m_selectedServerIndex) {
         m_settings->setDefaultServer(0);
     }
-    else if (m_settings->defaultServerIndex() > uiLogic()->selectedServerIndex) {
+    else if (m_settings->defaultServerIndex() > uiLogic()->m_selectedServerIndex) {
         m_settings->setDefaultServer(m_settings->defaultServerIndex() - 1);
     }
 
@@ -99,7 +66,7 @@ void ServerSettingsLogic::onPushButtonForgetServer()
     }
 
 
-    uiLogic()->selectedServerIndex = -1;
+    uiLogic()->m_selectedServerIndex = -1;
     uiLogic()->onUpdateAllPages();
 
     if (m_settings->serversCount() == 0) {
@@ -114,9 +81,9 @@ void ServerSettingsLogic::onPushButtonClearClientCacheClicked()
 {
     set_pushButtonClearClientCacheText(tr("Cache cleared"));
 
-    const auto &containers = m_settings->containers(uiLogic()->selectedServerIndex);
+    const auto &containers = m_settings->containers(uiLogic()->m_selectedServerIndex);
-    for (DockerContainer container: containers.keys()) {
+    for (DockerContainer container : containers.keys()) {
-        m_settings->clearLastConnectionConfig(uiLogic()->selectedServerIndex, container);
+        m_settings->clearLastConnectionConfig(uiLogic()->m_selectedServerIndex, container);
     }
 
     QTimer::singleShot(3000, this, [this]() {
@@ -127,9 +94,9 @@ void ServerSettingsLogic::onPushButtonClearClientCacheClicked()
 void ServerSettingsLogic::onLineEditDescriptionEditingFinished()
 {
     const QString &newText = lineEditDescriptionText();
-    QJsonObject server = m_settings->server(uiLogic()->selectedServerIndex);
+    QJsonObject server = m_settings->server(uiLogic()->m_selectedServerIndex);
     server.insert(config_key::description, newText);
-    m_settings->editServer(uiLogic()->selectedServerIndex, server);
+    m_settings->editServer(uiLogic()->m_selectedServerIndex, server);
     uiLogic()->onUpdateAllPages();
 }
 
@@ -154,7 +121,7 @@ void ServerSettingsLogic::onPushButtonShareFullClicked()
     auto appContext = activity.callObjectMethod(
         "getApplicationContext", "()Landroid/content/Context;");
     if (appContext.isValid()) {
-        QAndroidActivityResultReceiver *receiver = new authResultReceiver(uiLogic(), uiLogic()->selectedServerIndex);
+        QAndroidActivityResultReceiver *receiver = new authResultReceiver(uiLogic(), uiLogic()->m_selectedServerIndex);
         auto intent = QJniObject::callStaticObjectMethod(
                "org/amnezia/vpn/AuthHelper", "getAuthIntent",
                "(Landroid/content/Context;)Landroid/content/Intent;", appContext.object());
@@ -163,12 +130,12 @@ void ServerSettingsLogic::onPushButtonShareFullClicked()
                     QtAndroidPrivate::startActivity(intent.object<jobject>(), 1, receiver);
                 }
             } else {
-            uiLogic()->pageLogic<ShareConnectionLogic>()->updateSharingPage(uiLogic()->selectedServerIndex, DockerContainer::None);
+            uiLogic()->pageLogic<ShareConnectionLogic>()->updateSharingPage(uiLogic()->m_selectedServerIndex, DockerContainer::None);
             emit uiLogic()->goToShareProtocolPage(Proto::Any);
         }
     }
 #else
-    uiLogic()->pageLogic<ShareConnectionLogic>()->updateSharingPage(uiLogic()->selectedServerIndex, DockerContainer::None);
+    uiLogic()->pageLogic<ShareConnectionLogic>()->updateSharingPage(uiLogic()->m_selectedServerIndex, DockerContainer::None);
     emit uiLogic()->goToShareProtocolPage(Proto::Any);
 #endif
 }

client/ui/pages_logic/ServerSettingsLogic.h

@@ -16,9 +16,7 @@ class ServerSettingsLogic : public PageLogicBase
 
     AUTO_PROPERTY(bool, labelWaitInfoVisible)
     AUTO_PROPERTY(QString, labelWaitInfoText)
-    AUTO_PROPERTY(QString, pushButtonClearText)
     AUTO_PROPERTY(QString, pushButtonClearClientCacheText)
-    AUTO_PROPERTY(bool, pushButtonClearVisible)
     AUTO_PROPERTY(bool, pushButtonClearClientCacheVisible)
     AUTO_PROPERTY(bool, pushButtonShareFullVisible)
     AUTO_PROPERTY(QString, labelServerText)
@@ -28,7 +26,6 @@ class ServerSettingsLogic : public PageLogicBase
 public:
     Q_INVOKABLE void onUpdatePage() override;
 
-    Q_INVOKABLE void onPushButtonClearServer();
     Q_INVOKABLE void onPushButtonForgetServer();
     Q_INVOKABLE void onPushButtonShareFullClicked();
     Q_INVOKABLE void onPushButtonClearClientCacheClicked();

client/ui/pages_logic/ShareConnectionLogic.cpp

@@ -1,7 +1,6 @@
 #include <QBuffer>
 #include <QImage>
 #include <QDataStream>
-#include <QMessageBox>
 
 #include "qrcodegen.hpp"
 
@@ -68,8 +67,8 @@ void ShareConnectionLogic::onPushButtonShareAmneziaGenerateClicked()
     set_shareAmneziaQrCodeTextSeriesLength(0);
 
     QJsonObject serverConfig;
-    int serverIndex = uiLogic()->selectedServerIndex;
+    int serverIndex = uiLogic()->m_selectedServerIndex;
-    DockerContainer container = uiLogic()->selectedDockerContainer;
+    DockerContainer container = uiLogic()->m_selectedDockerContainer;
 
     // Full access
     if (shareFullAccess()) {
@@ -127,8 +126,8 @@ void ShareConnectionLogic::onPushButtonShareAmneziaGenerateClicked()
 
 void ShareConnectionLogic::onPushButtonShareOpenVpnGenerateClicked()
 {
-    int serverIndex = uiLogic()->selectedServerIndex;
+    int serverIndex = uiLogic()->m_selectedServerIndex;
-    DockerContainer container = uiLogic()->selectedDockerContainer;
+    DockerContainer container = uiLogic()->m_selectedDockerContainer;
     ServerCredentials credentials = m_settings->serverCredentials(serverIndex);
 
     const QJsonObject &containerConfig = m_settings->containerConfig(serverIndex, container);
@@ -142,8 +141,8 @@ void ShareConnectionLogic::onPushButtonShareOpenVpnGenerateClicked()
 
 void ShareConnectionLogic::onPushButtonShareShadowSocksGenerateClicked()
 {
-    int serverIndex = uiLogic()->selectedServerIndex;
+    int serverIndex = uiLogic()->m_selectedServerIndex;
-    DockerContainer container = uiLogic()->selectedDockerContainer;
+    DockerContainer container = uiLogic()->m_selectedDockerContainer;
     ServerCredentials credentials = m_settings->serverCredentials(serverIndex);
 
     QJsonObject protoConfig = m_settings->protocolConfig(serverIndex, container, Proto::ShadowSocks);
@@ -186,8 +185,8 @@ void ShareConnectionLogic::onPushButtonShareShadowSocksGenerateClicked()
 
 void ShareConnectionLogic::onPushButtonShareCloakGenerateClicked()
 {
-    int serverIndex = uiLogic()->selectedServerIndex;
+    int serverIndex = uiLogic()->m_selectedServerIndex;
-    DockerContainer container = uiLogic()->selectedDockerContainer;
+    DockerContainer container = uiLogic()->m_selectedDockerContainer;
     ServerCredentials credentials = m_settings->serverCredentials(serverIndex);
 
     QJsonObject protoConfig = m_settings->protocolConfig(serverIndex, container, Proto::Cloak);
@@ -209,8 +208,8 @@ void ShareConnectionLogic::onPushButtonShareCloakGenerateClicked()
 
 void ShareConnectionLogic::onPushButtonShareWireGuardGenerateClicked()
 {
-    int serverIndex = uiLogic()->selectedServerIndex;
+    int serverIndex = uiLogic()->m_selectedServerIndex;
-    DockerContainer container = uiLogic()->selectedDockerContainer;
+    DockerContainer container = uiLogic()->m_selectedDockerContainer;
     ServerCredentials credentials = m_settings->serverCredentials(serverIndex);
 
     const QJsonObject &containerConfig = m_settings->containerConfig(serverIndex, container);
@@ -218,9 +217,9 @@ void ShareConnectionLogic::onPushButtonShareWireGuardGenerateClicked()
     ErrorCode e = ErrorCode::NoError;
     QString cfg = m_configurator->wireguardConfigurator->genWireguardConfig(credentials, container, containerConfig, &e);
     if (e) {
-        QMessageBox::warning(nullptr, APPLICATION_NAME,
+        emit uiLogic()->showWarningMessage(tr("Error occurred while generating the config.") + "\n" +
-                             tr("Error occurred while configuring server.") + "\n" +
+                                           tr("Error message: ") + errorString(e) + "\n" +
-                             errorString(e));
+                                           tr("See logs for details."));
         return;
     }
     cfg = m_configurator->processConfigWithExportSettings(serverIndex, container, Proto::WireGuard, cfg);
@@ -236,8 +235,8 @@ void ShareConnectionLogic::onPushButtonShareWireGuardGenerateClicked()
 
 void ShareConnectionLogic::onPushButtonShareIkev2GenerateClicked()
 {
-    int serverIndex = uiLogic()->selectedServerIndex;
+    int serverIndex = uiLogic()->m_selectedServerIndex;
-    DockerContainer container = uiLogic()->selectedDockerContainer;
+    DockerContainer container = uiLogic()->m_selectedDockerContainer;
     ServerCredentials credentials = m_settings->serverCredentials(serverIndex);
 
     Ikev2Configurator::ConnectionData connData = m_configurator->ikev2Configurator->prepareIkev2Config(credentials, container);
@@ -259,8 +258,8 @@ void ShareConnectionLogic::onPushButtonShareIkev2GenerateClicked()
 
 void ShareConnectionLogic::updateSharingPage(int serverIndex, DockerContainer container)
 {
-    uiLogic()->selectedDockerContainer = container;
+    uiLogic()->m_selectedDockerContainer = container;
-    uiLogic()->selectedServerIndex = serverIndex;
+    uiLogic()->m_selectedServerIndex = serverIndex;
     set_shareFullAccess(container == DockerContainer::None);
 
     m_shareAmneziaQrCodeTextSeries.clear();

client/ui/pages_logic/ShareConnectionLogic.h

@@ -50,6 +50,5 @@ public:
     QList<QString> genQrCodeImageSeries(const QByteArray &data);
 
     QString svgToBase64(const QString &image);
-
 };
 #endif // SHARE_CONNECTION_LOGIC_H

client/ui/pages_logic/StartPageLogic.cpp

@@ -13,6 +13,7 @@
 #ifdef Q_OS_ANDROID
 #include <QJniObject>
 #include "../../platforms/android/androidutils.h"
+#include "../../platforms/android/android_controller.h"
 #endif
 
 namespace {
@@ -155,7 +156,7 @@ void StartPageLogic::onPushButtonConnect()
     set_pushButtonConnectEnabled(true);
     set_pushButtonConnectText(tr("Connect"));
 
-    uiLogic()->installCredentials = serverCredentials;
+    uiLogic()->m_installCredentials = serverCredentials;
     if (ok) emit uiLogic()->goToPage(Page::NewServer);
 }
 
@@ -184,6 +185,13 @@ void StartPageLogic::onPushButtonImportOpenFile()
     }
 }
 
+#ifdef Q_OS_ANDROID
+void StartPageLogic::startQrDecoder()
+{
+    AndroidController::instance()->startQrReaderActivity();
+}
+#endif
+
 bool StartPageLogic::importConnection(const QJsonObject &profile)
 {
     ServerCredentials credentials;

client/ui/pages_logic/StartPageLogic.h

@@ -31,6 +31,10 @@ public:
     Q_INVOKABLE void onPushButtonImport();
     Q_INVOKABLE void onPushButtonImportOpenFile();
 
+#ifdef Q_OS_ANDROID
+    Q_INVOKABLE void startQrDecoder();
+#endif
+
     bool importConnection(const QJsonObject &profile);
     bool importConnectionFromCode(QString code);
     bool importConnectionFromQr(const QByteArray &data);

client/ui/pages_logic/ViewConfigLogic.cpp

@@ -79,8 +79,8 @@ void ViewConfigLogic::importConfig()
 
 
     if (!configJson().contains(config_key::containers) || configJson().value(config_key::containers).toArray().isEmpty()) {
-        uiLogic()->selectedServerIndex = m_settings->defaultServerIndex();
+        uiLogic()->m_selectedServerIndex = m_settings->defaultServerIndex();
-        uiLogic()->selectedDockerContainer = m_settings->defaultContainer(uiLogic()->selectedServerIndex);
+        uiLogic()->m_selectedDockerContainer = m_settings->defaultContainer(uiLogic()->m_selectedServerIndex);
         uiLogic()->onUpdateAllPages();
         emit uiLogic()->goToPage(Page::Vpn);
         emit uiLogic()->setStartPage(Page::Vpn);

client/ui/pages_logic/WizardLogic.cpp

@@ -18,7 +18,7 @@ void WizardLogic::onUpdatePage()
     set_radioButtonMediumChecked(true);
 }
 
-QMap<DockerContainer, QJsonObject> WizardLogic::getInstallConfigsFromWizardPage() const
+QPair<DockerContainer, QJsonObject> WizardLogic::getInstallConfigsFromWizardPage() const
 {
     QJsonObject cloakConfig {
         { config_key::container, ContainerProps::containerToString(DockerContainer::Cloak) },
@@ -33,27 +33,29 @@ QMap<DockerContainer, QJsonObject> WizardLogic::getInstallConfigsFromWizardPage(
         { config_key::container, ContainerProps::containerToString(DockerContainer::OpenVpn) }
     };
 
-    QMap<DockerContainer, QJsonObject> containers;
+    QPair<DockerContainer, QJsonObject> container;
+
+    DockerContainer dockerContainer;
 
     if (radioButtonHighChecked()) {
-        containers.insert(DockerContainer::Cloak, cloakConfig);
+        container = {DockerContainer::Cloak, cloakConfig};
     }
 
     if (radioButtonMediumChecked()) {
-        containers.insert(DockerContainer::ShadowSocks, ssConfig);
+        container = {DockerContainer::ShadowSocks, ssConfig};
     }
 
     if (radioButtonLowChecked()) {
-        containers.insert(DockerContainer::OpenVpn, openVpnConfig);
+        container = {DockerContainer::OpenVpn, openVpnConfig};
     }
 
-    return containers;
+    return container;
 }
 
 void WizardLogic::onPushButtonVpnModeFinishClicked()
 {
-    auto containers = getInstallConfigsFromWizardPage();
+    auto container = getInstallConfigsFromWizardPage();
-    uiLogic()->installServer(containers);
+    uiLogic()->installServer(container);
     if (checkBoxVpnModeChecked()) {
         m_settings->setRouteMode(Settings::VpnOnlyForwardSites);
     } else {
@@ -63,6 +65,6 @@ void WizardLogic::onPushButtonVpnModeFinishClicked()
 
 void WizardLogic::onPushButtonLowFinishClicked()
 {
-    auto containers = getInstallConfigsFromWizardPage();
+    auto container = getInstallConfigsFromWizardPage();
-    uiLogic()->installServer(containers);
+    uiLogic()->installServer(container);
 }

client/ui/pages_logic/WizardLogic.h

@@ -25,7 +25,7 @@ public:
     explicit WizardLogic(UiLogic *uiLogic, QObject *parent = nullptr);
     ~WizardLogic() = default;
 
-    QMap<DockerContainer, QJsonObject> getInstallConfigsFromWizardPage() const;
+    QPair<DockerContainer, QJsonObject> getInstallConfigsFromWizardPage() const;
 
 };
 #endif // WIZARD_LOGIC_H

client/ui/pages_logic/protocols/CloakLogic.cpp

@@ -55,10 +55,10 @@ QJsonObject CloakLogic::getProtocolConfigFromPage(QJsonObject oldConfig)
 
 void CloakLogic::onPushButtonSaveClicked()
 {
-    QJsonObject protocolConfig = m_settings->protocolConfig(uiLogic()->selectedServerIndex, uiLogic()->selectedDockerContainer, Proto::Cloak);
+    QJsonObject protocolConfig = m_settings->protocolConfig(uiLogic()->m_selectedServerIndex, uiLogic()->m_selectedDockerContainer, Proto::Cloak);
     protocolConfig = getProtocolConfigFromPage(protocolConfig);
 
-    QJsonObject containerConfig = m_settings->containerConfig(uiLogic()->selectedServerIndex, uiLogic()->selectedDockerContainer);
+    QJsonObject containerConfig = m_settings->containerConfig(uiLogic()->m_selectedServerIndex, uiLogic()->m_selectedDockerContainer);
     QJsonObject newContainerConfig = containerConfig;
     newContainerConfig.insert(ProtocolProps::protoToString(Proto::Cloak), protocolConfig);
 
@@ -113,8 +113,8 @@ void CloakLogic::onPushButtonSaveClicked()
     progressBarFunc.setTextVisibleFunc(true);
     progressBarFunc.setTextFunc(QString("Configuring..."));
     ErrorCode e = uiLogic()->pageLogic<ServerConfiguringProgressLogic>()->doInstallAction([this, containerConfig, &newContainerConfig](){
-        return m_serverController->updateContainer(m_settings->serverCredentials(uiLogic()->selectedServerIndex),
+        return m_serverController->updateContainer(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex),
-                                                   uiLogic()->selectedDockerContainer,
+                                                   uiLogic()->m_selectedDockerContainer,
                                                    containerConfig,
                                                    newContainerConfig);
     },
@@ -123,11 +123,11 @@ void CloakLogic::onPushButtonSaveClicked()
     busyInfoFuncy, cancelButtonFunc);
 
     if (!e) {
-        m_settings->setContainerConfig(uiLogic()->selectedServerIndex, uiLogic()->selectedDockerContainer, newContainerConfig);
+        m_settings->setContainerConfig(uiLogic()->m_selectedServerIndex, uiLogic()->m_selectedDockerContainer, newContainerConfig);
-        m_settings->clearLastConnectionConfig(uiLogic()->selectedServerIndex, uiLogic()->selectedDockerContainer);
+        m_settings->clearLastConnectionConfig(uiLogic()->m_selectedServerIndex, uiLogic()->m_selectedDockerContainer);
     }
 
-    qDebug() << "Protocol saved with code:" << e << "for" << uiLogic()->selectedServerIndex << uiLogic()->selectedDockerContainer;
+    qDebug() << "Protocol saved with code:" << e << "for" << uiLogic()->m_selectedServerIndex << uiLogic()->m_selectedDockerContainer;
 }
 
 void CloakLogic::onPushButtonCancelClicked()

client/ui/pages_logic/protocols/OpenVpnLogic.cpp

@@ -105,10 +105,10 @@ void OpenVpnLogic::updateProtocolPage(const QJsonObject &openvpnConfig, DockerCo
 
 void OpenVpnLogic::onPushButtonSaveClicked()
 {
-    QJsonObject protocolConfig = m_settings->protocolConfig(uiLogic()->selectedServerIndex, uiLogic()->selectedDockerContainer, Proto::OpenVpn);
+    QJsonObject protocolConfig = m_settings->protocolConfig(uiLogic()->m_selectedServerIndex, uiLogic()->m_selectedDockerContainer, Proto::OpenVpn);
     protocolConfig = getProtocolConfigFromPage(protocolConfig);
 
-    QJsonObject containerConfig = m_settings->containerConfig(uiLogic()->selectedServerIndex, uiLogic()->selectedDockerContainer);
+    QJsonObject containerConfig = m_settings->containerConfig(uiLogic()->m_selectedServerIndex, uiLogic()->m_selectedDockerContainer);
     QJsonObject newContainerConfig = containerConfig;
     newContainerConfig.insert(ProtocolProps::protoToString(Proto::OpenVpn), protocolConfig);
 
@@ -163,8 +163,8 @@ void OpenVpnLogic::onPushButtonSaveClicked()
     progressBarFunc.setTextVisibleFunc(true);
     progressBarFunc.setTextFunc(QString("Configuring..."));
     ErrorCode e = uiLogic()->pageLogic<ServerConfiguringProgressLogic>()->doInstallAction([this, containerConfig, &newContainerConfig](){
-        return m_serverController->updateContainer(m_settings->serverCredentials(uiLogic()->selectedServerIndex),
+        return m_serverController->updateContainer(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex),
-                                                   uiLogic()->selectedDockerContainer,
+                                                   uiLogic()->m_selectedDockerContainer,
                                                    containerConfig,
                                                    newContainerConfig);
     },
@@ -173,10 +173,10 @@ void OpenVpnLogic::onPushButtonSaveClicked()
     busyInfoFuncy, cancelButtonFunc);
 
     if (!e) {
-        m_settings->setContainerConfig(uiLogic()->selectedServerIndex, uiLogic()->selectedDockerContainer, newContainerConfig);
+        m_settings->setContainerConfig(uiLogic()->m_selectedServerIndex, uiLogic()->m_selectedDockerContainer, newContainerConfig);
-        m_settings->clearLastConnectionConfig(uiLogic()->selectedServerIndex, uiLogic()->selectedDockerContainer);
+        m_settings->clearLastConnectionConfig(uiLogic()->m_selectedServerIndex, uiLogic()->m_selectedDockerContainer);
     }
-    qDebug() << "Protocol saved with code:" << e << "for" << uiLogic()->selectedServerIndex << uiLogic()->selectedDockerContainer;
+    qDebug() << "Protocol saved with code:" << e << "for" << uiLogic()->m_selectedServerIndex << uiLogic()->m_selectedDockerContainer;
 }
 
 QJsonObject OpenVpnLogic::getProtocolConfigFromPage(QJsonObject oldConfig)

client/ui/pages_logic/protocols/OtherProtocolsLogic.cpp

@@ -81,7 +81,7 @@ void OtherProtocolsLogic::onPushButtonSftpMountDriveClicked()
 {
     QString mountPath;
     QString cmd;
-    QString host = m_settings->serverCredentials(uiLogic()->selectedServerIndex).hostName;
+    QString host = m_settings->serverCredentials(uiLogic()->m_selectedServerIndex).hostName;
 
 
 #ifdef Q_OS_WINDOWS

client/ui/pages_logic/protocols/ShadowSocksLogic.cpp

@@ -49,9 +49,9 @@ QJsonObject ShadowSocksLogic::getProtocolConfigFromPage(QJsonObject oldConfig)
 
 void ShadowSocksLogic::onPushButtonSaveClicked()
 {
-    QJsonObject protocolConfig = m_settings->protocolConfig(uiLogic()->selectedServerIndex, uiLogic()->selectedDockerContainer, Proto::ShadowSocks);
+    QJsonObject protocolConfig = m_settings->protocolConfig(uiLogic()->m_selectedServerIndex, uiLogic()->m_selectedDockerContainer, Proto::ShadowSocks);
 
-    QJsonObject containerConfig = m_settings->containerConfig(uiLogic()->selectedServerIndex, uiLogic()->selectedDockerContainer);
+    QJsonObject containerConfig = m_settings->containerConfig(uiLogic()->m_selectedServerIndex, uiLogic()->m_selectedDockerContainer);
     QJsonObject newContainerConfig = containerConfig;
     newContainerConfig.insert(ProtocolProps::protoToString(Proto::ShadowSocks), protocolConfig);
     ServerConfiguringProgressLogic::PageFunc pageFunc;
@@ -105,8 +105,8 @@ void ShadowSocksLogic::onPushButtonSaveClicked()
     progressBarFunc.setTextVisibleFunc(true);
     progressBarFunc.setTextFunc(QString("Configuring..."));
     ErrorCode e = uiLogic()->pageLogic<ServerConfiguringProgressLogic>()->doInstallAction([this, containerConfig, &newContainerConfig](){
-        return m_serverController->updateContainer(m_settings->serverCredentials(uiLogic()->selectedServerIndex),
+        return m_serverController->updateContainer(m_settings->serverCredentials(uiLogic()->m_selectedServerIndex),
-                                                   uiLogic()->selectedDockerContainer,
+                                                   uiLogic()->m_selectedDockerContainer,
                                                    containerConfig,
                                                    newContainerConfig);
     },
@@ -115,10 +115,10 @@ void ShadowSocksLogic::onPushButtonSaveClicked()
     busyInfoFuncy, cancelButtonFunc);
 
     if (!e) {
-        m_settings->setContainerConfig(uiLogic()->selectedServerIndex, uiLogic()->selectedDockerContainer, newContainerConfig);
+        m_settings->setContainerConfig(uiLogic()->m_selectedServerIndex, uiLogic()->m_selectedDockerContainer, newContainerConfig);
-        m_settings->clearLastConnectionConfig(uiLogic()->selectedServerIndex, uiLogic()->selectedDockerContainer);
+        m_settings->clearLastConnectionConfig(uiLogic()->m_selectedServerIndex, uiLogic()->m_selectedDockerContainer);
     }
-    qDebug() << "Protocol saved with code:" << e << "for" << uiLogic()->selectedServerIndex << uiLogic()->selectedDockerContainer;
+    qDebug() << "Protocol saved with code:" << e << "for" << uiLogic()->m_selectedServerIndex << uiLogic()->m_selectedDockerContainer;
 }
 
 void ShadowSocksLogic::onPushButtonCancelClicked()

client/ui/qml/Controls/PopupWarning.qml

@@ -0,0 +1,34 @@
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+
+Popup {
+    id: root
+
+    property string popupWarningText
+
+    anchors.centerIn: Overlay.overlay
+    modal: true
+    closePolicy: Popup.NoAutoClose
+    width: parent.width - 20
+
+    ColumnLayout {
+        width: parent.width
+        Text {
+            horizontalAlignment: Text.AlignHCenter
+            Layout.fillWidth: true
+            wrapMode: Text.WordWrap
+            font.pixelSize: 16
+            text: root.popupWarningText
+        }
+
+        BlueButtonType {
+            Layout.preferredWidth: parent.width / 2
+            Layout.fillWidth: true
+            text: "Continue"
+            onClicked: {
+                root.close()
+            }
+        }
+    }
+}

client/ui/qml/Pages/PageAdvancedServerSettings.qml

@@ -0,0 +1,109 @@
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+import PageEnum 1.0
+import "./"
+import "../Controls"
+import "../Config"
+
+PageBase {
+    id: root
+    page: PageEnum.AdvancedServerSettings
+    logic: AdvancedServerSettingsLogic
+
+    enabled: AdvancedServerSettingsLogic.pageEnabled
+
+    BackButton {
+        id: back
+    }
+
+    Caption {
+        id: caption
+        text: qsTr("Advanced server settings")
+        anchors.horizontalCenter: parent.horizontalCenter
+    }
+
+    BusyIndicator {
+        z: 99
+        anchors.horizontalCenter: parent.horizontalCenter
+        anchors.verticalCenter: parent.verticalCenter
+        visible: !AdvancedServerSettingsLogic.pageEnabled
+        running: !AdvancedServerSettingsLogic.pageEnabled
+    }
+
+    FlickableType {
+        id: fl
+        anchors.top: caption.bottom
+        anchors.bottom: logo.top
+        contentHeight: content.height
+
+        ColumnLayout {
+            id: content
+            enabled: logic.pageEnabled
+            anchors.top: parent.top
+            anchors.left: parent.left
+            anchors.right: parent.right
+            anchors.rightMargin: 15
+
+            LabelType {
+                Layout.fillWidth: true
+                font.pixelSize: 20
+                horizontalAlignment: Text.AlignHCenter
+                text: AdvancedServerSettingsLogic.labelCurrentVpnProtocolText
+            }
+
+            TextFieldType {
+                Layout.fillWidth: true
+                font.pixelSize: 20
+                horizontalAlignment: Text.AlignHCenter
+                text: AdvancedServerSettingsLogic.labelServerText
+                readOnly: true
+                background: Item {}
+            }
+
+            LabelType {
+                Layout.fillWidth: true
+                horizontalAlignment: Text.AlignHCenter
+                text: AdvancedServerSettingsLogic.labelWaitInfoText
+                visible: AdvancedServerSettingsLogic.labelWaitInfoVisible
+            }
+
+            BlueButtonType {
+                Layout.fillWidth: true
+                Layout.topMargin: 10
+                text: "Scan the server for installed containers"
+                visible: AdvancedServerSettingsLogic.pushButtonClearVisible
+                onClicked: {
+                    AdvancedServerSettingsLogic.onPushButtonScanServerClicked()
+                }
+            }
+
+            BlueButtonType {
+                Layout.fillWidth: true
+                Layout.topMargin: 10
+                text: AdvancedServerSettingsLogic.pushButtonClearText
+                visible: AdvancedServerSettingsLogic.pushButtonClearVisible
+                onClicked: {
+                    popupClearServer.open()
+                }
+            }
+
+            PopupWithQuestion {
+                id: popupClearServer
+                questionText: "Attention! All containers will be deleted on the server. This means that configuration files, keys and certificates will be deleted. Continue?"
+                yesFunc: function() {
+                    close()
+                    AdvancedServerSettingsLogic.onPushButtonClearServerClicked()
+                }
+                noFunc: function() {
+                    close()
+                }
+            }
+        }
+    }
+
+    Logo {
+        id : logo
+        anchors.bottom: parent.bottom
+    }
+}

client/ui/qml/Pages/PageQrDecoder.qml

@@ -1,164 +0,0 @@
-import QtQuick
-import QtQuick.Controls
-import QtMultimedia
-import PageEnum 1.0
-import QZXing 3.2
-
-import "./"
-import "../Controls"
-import "../Config"
-
-PageBase {
-    id: root
-    page: PageEnum.QrDecoder
-    logic: QrDecoderLogic
-
-    onDeactivated: {
-        console.debug("Stopping QR decoder")
-        loader.sourceComponent = undefined
-    }
-
-    BackButton {
-    }
-    Caption {
-        id: caption
-        text: qsTr("Import configuration")
-    }
-
-    Connections {
-        target: Qt.platform.os != "ios" ? QrDecoderLogic : null
-        function onStartDecode() {
-            console.debug("Starting QR decoder")
-            loader.sourceComponent = component
-        }
-        function onStopDecode() {
-            console.debug("Stopping QR decoder")
-            loader.sourceComponent = undefined
-        }
-    }
-
-    Loader {
-        id: loader
-
-        anchors.top: caption.bottom
-        anchors.bottom: parent.bottom
-        anchors.left: parent.left
-        anchors.right: parent.right
-    }
-
-    Component {
-        id: component
-
-        Item {
-            anchors.fill: parent
-
-            Camera
-            {
-                id:camera
-                focus {
-                    focusMode: CameraFocus.FocusContinuous
-                    focusPointMode: CameraFocus.FocusPointAuto
-                }
-            }
-
-            VideoOutput
-            {
-                id: videoOutput
-                source: camera
-                anchors.top: parent.top
-                anchors.bottom: parent.bottom
-                anchors.left: parent.left
-                anchors.right: parent.right
-                autoOrientation: true
-                fillMode: VideoOutput.PreserveAspectFit
-//                filters: [ zxingFilter ]
-
-
-                Rectangle {
-                    color: "black"
-                    opacity: 0.5
-                    width: videoOutput.contentRect.width * 0.15
-                    height: videoOutput.contentRect.height
-                    x: (videoOutput.width - videoOutput.contentRect.width)/2
-                    anchors.verticalCenter: videoOutput.verticalCenter
-                }
-
-                Rectangle {
-                    color: "black"
-                    opacity: 0.5
-                    width: videoOutput.contentRect.width * 0.15
-                    height: videoOutput.contentRect.height
-                    x: videoOutput.width/2 + videoOutput.contentRect.width/2 - videoOutput.contentRect.width * 0.15
-                    anchors.verticalCenter: videoOutput.verticalCenter
-                }
-
-                Rectangle {
-                    color: "black"
-                    opacity: 0.5
-                    width: videoOutput.contentRect.width * 0.7
-                    height: videoOutput.contentRect.height * 0.15
-                    x: (videoOutput.width - videoOutput.contentRect.width)/2 + videoOutput.contentRect.width * 0.15
-                    y: (videoOutput.height - videoOutput.contentRect.height)/2
-                }
-
-                Rectangle {
-                    color: "black"
-                    opacity: 0.5
-                    width: videoOutput.contentRect.width * 0.7
-                    height: videoOutput.contentRect.height * 0.15
-                    x: (videoOutput.width - videoOutput.contentRect.width)/2 + videoOutput.contentRect.width * 0.15
-                    y: videoOutput.height/2 + videoOutput.contentRect.height/2 - videoOutput.contentRect.height * 0.15
-                }
-
-                LabelType {
-                    width: parent.width
-                    text: qsTr("Decoded QR chunks " + QrDecoderLogic.receivedChunksCount + "/" + QrDecoderLogic.totalChunksCount)
-                    horizontalAlignment: Text.AlignLeft
-                    visible: QrDecoderLogic.totalChunksCount > 0
-                    anchors.horizontalCenter: videoOutput.horizontalCenter
-                    y: videoOutput.height/2 + videoOutput.contentRect.height/2
-                }
-            }
-
-            QZXingFilter
-            {
-                id: zxingFilter
-                orientation: videoOutput.orientation
-                captureRect: {
-                    // setup bindings
-                    videoOutput.contentRect;
-                    videoOutput.sourceRect;
-                    return videoOutput.mapRectToSource(videoOutput.mapNormalizedRectToItem(Qt.rect(
-                        0.15, 0.15, 0.7, 0.7 //0, 0, 1.0, 1.0
-                    )));
-                }
-
-                decoder {
-                    enabledDecoders: QZXing.DecoderFormat_QR_CODE
-
-                    onTagFound: {
-                        QrDecoderLogic.onDetectedQrCode(tag)
-                    }
-
-                    tryHarder: true
-                }
-
-                property int framesDecoded: 0
-                property real timePerFrameDecode: 0
-
-                onDecodingFinished:
-                {
-                    timePerFrameDecode = (decodeTime + framesDecoded * timePerFrameDecode) / (framesDecoded + 1);
-                    framesDecoded++;
-                    if(succeeded)
-                        console.log("frame finished: " + succeeded, decodeTime, timePerFrameDecode, framesDecoded);
-                }
-            }
-
-
-        }
-
-    }
-
-
-}

client/ui/qml/Pages/PageServerSettings.qml

@@ -74,6 +74,7 @@ PageBase {
                     UiLogic.goToPage(PageEnum.ServerContainers)
                 }
             }
+
             BlueButtonType {
                 Layout.fillWidth: true
                 Layout.topMargin: 10
@@ -86,33 +87,21 @@ PageBase {
 
             BlueButtonType {
                 Layout.fillWidth: true
-                Layout.topMargin: 60
+                Layout.topMargin: 10
-                text: ServerSettingsLogic.pushButtonClearClientCacheText
+                text: qsTr("Advanced server settings")
-                visible: ServerSettingsLogic.pushButtonClearClientCacheVisible
+                visible: ServerSettingsLogic.pushButtonShareFullVisible //todo
                 onClicked: {
-                    ServerSettingsLogic.onPushButtonClearClientCacheClicked()
+                    UiLogic.goToPage(PageEnum.AdvancedServerSettings)
                 }
             }
 
             BlueButtonType {
                 Layout.fillWidth: true
-                Layout.topMargin: 10
+                Layout.topMargin: 60
-                text: ServerSettingsLogic.pushButtonClearText
+                text: ServerSettingsLogic.pushButtonClearClientCacheText
-                visible: ServerSettingsLogic.pushButtonClearVisible
+                visible: ServerSettingsLogic.pushButtonClearClientCacheVisible
                 onClicked: {
-                    popupClearServer.open()
+                    ServerSettingsLogic.onPushButtonClearClientCacheClicked()
-                }
-            }
-
-            PopupWithQuestion {
-                id: popupClearServer
-                questionText: "Attention! All containers will be deleted on the server. This means that configuration files, keys and certificates will be deleted. Continue?"
-                yesFunc: function() {
-                    ServerSettingsLogic.onPushButtonClearServer()
-                    close()
-                }
-                noFunc: function() {
-                    close()
                 }
             }
 
@@ -139,7 +128,6 @@ PageBase {
         }
     }
 
-
     Logo {
         id : logo
         anchors.bottom: parent.bottom

client/ui/qml/Pages/PageStart.qml

@@ -154,7 +154,7 @@ PageBase {
                 if (Qt.platform.os === "ios") {
                     UiLogic.goToPage(PageEnum.QrDecoderIos)
                 } else {
-                    UiLogic.goToPage(PageEnum.QrDecoder)
+                    StartPageLogic.startQrDecoder()
                 }
             }
             enabled: StartPageLogic.pushButtonConnectEnabled

client/ui/qml/main.qml

@@ -230,6 +230,10 @@ Window  {
         function onToggleLogPanel() {
             drawer_log.visible = !drawer_log.visible
         }
+        function onShowWarningMessage(message) {
+            popupWarning.popupWarningText = message
+            popupWarning.open()
+        }
     }
 
     MessageDialog {
@@ -238,12 +242,6 @@ Window  {
         text: qsTr("It's public key. Private key required")
         visible: false
     }
-    MessageDialog {
-        id: connectErrorDialog
-        title: "AmneziaVPN"
-        text: UiLogic.dialogConnectErrorText
-        visible: false
-    }
 
     Drawer {
         id: drawer_log
@@ -353,4 +351,8 @@ Window  {
             }
         }
     }
+
+    PopupWarning {
+        id: popupWarning
+    }
 }

client/ui/uilogic.cpp

@@ -10,7 +10,6 @@
 #include <QJsonObject>
 #include <QKeyEvent>
 #include <QMenu>
-#include <QMessageBox>
 #include <QMetaEnum>
 #include <QSysInfo>
 #include <QThread>
@@ -67,6 +66,7 @@
 #include "pages_logic/ViewConfigLogic.h"
 #include "pages_logic/VpnLogic.h"
 #include "pages_logic/WizardLogic.h"
+#include "pages_logic/AdvancedServerSettingsLogic.h"
 
 #include "pages_logic/protocols/CloakLogic.h"
 #include "pages_logic/protocols/OpenVpnLogic.h"
@@ -157,7 +157,7 @@ void UiLogic::initalizeUiLogic()
         emit goToPage(Page::Start, true, false);
     }
 
-    selectedServerIndex = m_settings->defaultServerIndex();
+    m_selectedServerIndex = m_settings->defaultServerIndex();
 
     qInfo().noquote() << QString("Started %1 version %2").arg(APPLICATION_NAME).arg(APP_VERSION);
     qInfo().noquote() << QString("%1 (%2)").arg(QSysInfo::prettyProductName()).arg(QSysInfo::currentCpuArchitecture());
@@ -199,8 +199,8 @@ void UiLogic::keyPressEvent(Qt::Key key)
         qApp->quit();
         break;
     case Qt::Key_H:
-        selectedServerIndex = m_settings->defaultServerIndex();
+        m_selectedServerIndex = m_settings->defaultServerIndex();
-        selectedDockerContainer = m_settings->defaultContainer(selectedServerIndex);
+        m_selectedDockerContainer = m_settings->defaultContainer(m_selectedServerIndex);
 
         //updateSharingPage(selectedServerIndex, m_settings->serverCredentials(selectedServerIndex), selectedDockerContainer);
         emit goToPage(Page::ShareConnection);
@@ -214,7 +214,7 @@ void UiLogic::keyPressEvent(Qt::Key key)
         emit goToPage(Page::Start);
         break;
     case Qt::Key_S:
-        selectedServerIndex = m_settings->defaultServerIndex();
+        m_selectedServerIndex = m_settings->defaultServerIndex();
         emit goToPage(Page::ServerSettings);
         break;
     case Qt::Key_P:
@@ -262,15 +262,13 @@ QString UiLogic::containerDesc(int container)
 
 void UiLogic::onGotoCurrentProtocolsPage()
 {
-    selectedServerIndex = m_settings->defaultServerIndex();
+    m_selectedServerIndex = m_settings->defaultServerIndex();
-    selectedDockerContainer = m_settings->defaultContainer(selectedServerIndex);
+    m_selectedDockerContainer = m_settings->defaultContainer(m_selectedServerIndex);
     emit goToPage(Page::ServerContainers);
 }
 
-void UiLogic::installServer(QMap<DockerContainer, QJsonObject> &containers)
+void UiLogic::installServer(QPair<DockerContainer, QJsonObject> &container)
 {
-    if (containers.isEmpty()) return;
-
     emit goToPage(Page::ServerConfiguringProgress);
     QEventLoop loop;
     QTimer::singleShot(500, &loop, SLOT(quit()));
@@ -325,43 +323,55 @@ void UiLogic::installServer(QMap<DockerContainer, QJsonObject> &containers)
         pageLogic<ServerConfiguringProgressLogic>()->set_pushButtonCancelVisible(visible);
     };
 
-    int count = 0;
+    bool isServerCreated = false;
-    ErrorCode error;
+    ErrorCode errorCode = addAlreadyInstalledContainersGui(true, isServerCreated);
-    for (QMap<DockerContainer, QJsonObject>::iterator i = containers.begin(); i != containers.end(); i++, count++) {
+    if (errorCode == ErrorCode::NoError) {
-        progressBarFunc.setTextFunc(QString("Installing %1 %2 %3").arg(count+1).arg(tr("of")).arg(containers.size()));
+        if (!isContainerAlreadyAddedToGui(container.first)) {
+            progressBarFunc.setTextFunc(QString("Installing %1").arg(ContainerProps::containerToString(container.first)));
+            auto installAction = [&] () {
+                return m_serverController->setupContainer(m_installCredentials, container.first, container.second);
+            };
+            errorCode = pageLogic<ServerConfiguringProgressLogic>()->doInstallAction(installAction, pageFunc, progressBarFunc,
+                                                                                     noButton, waitInfoFunc,
+                                                                                     busyInfoFunc, cancelButtonFunc);
+            m_serverController->disconnectFromHost(m_installCredentials);
 
-        error = pageLogic<ServerConfiguringProgressLogic>()->doInstallAction([&] () {
+            if (errorCode == ErrorCode::NoError) {
-            return m_serverController->setupContainer(installCredentials, i.key(), i.value());
+                if (!isServerCreated) {
-        }, pageFunc, progressBarFunc, noButton, waitInfoFunc, busyInfoFunc, cancelButtonFunc);
+                    QJsonObject server;
+                    server.insert(config_key::hostName, m_installCredentials.hostName);
+                    server.insert(config_key::userName, m_installCredentials.userName);
+                    server.insert(config_key::password, m_installCredentials.password);
+                    server.insert(config_key::port, m_installCredentials.port);
+                    server.insert(config_key::description, m_settings->nextAvailableServerName());
 
-        m_serverController->disconnectFromHost(installCredentials);
+                    server.insert(config_key::containers, QJsonArray{container.second});
-    }
+                    server.insert(config_key::defaultContainer, ContainerProps::containerToString(container.first));
 
-    if (error == ErrorCode::NoError) {
+                    m_settings->addServer(server);
-        QJsonObject server;
+                    m_settings->setDefaultServer(m_settings->serversCount() - 1);
-        server.insert(config_key::hostName, installCredentials.hostName);
+                } else {
-        server.insert(config_key::userName, installCredentials.userName);
+                    m_settings->setContainerConfig(m_settings->serversCount() - 1, container.first, container.second);
-        server.insert(config_key::password, installCredentials.password);
+                    m_settings->setDefaultContainer(m_settings->serversCount() - 1, container.first);
-        server.insert(config_key::port, installCredentials.port);
+                }
-        server.insert(config_key::description, m_settings->nextAvailableServerName());
+                onUpdateAllPages();
 
-        QJsonArray containerConfigs;
+                emit setStartPage(Page::Vpn);
-        for (const QJsonObject &cfg : containers) {
+                qApp->processEvents();
-            containerConfigs.append(cfg);
+                return;
+            }
+        } else {
+            onUpdateAllPages();
+            emit showWarningMessage("Attention! The container you are trying to install is already installed on the server. "
+                                    "All installed containers have been added to the application ");
+            emit setStartPage(Page::Vpn);
+            return;
         }
-        server.insert(config_key::containers, containerConfigs);
-        server.insert(config_key::defaultContainer, ContainerProps::containerToString(containers.firstKey()));
-
-        m_settings->addServer(server);
-        m_settings->setDefaultServer(m_settings->serversCount() - 1);
-        onUpdateAllPages();
-
-        emit setStartPage(Page::Vpn);
-        qApp->processEvents();
-    }
-    else {
-        emit closePage();
     }
+    emit showWarningMessage(tr("Error occurred while configuring server.") + "\n" +
+                            tr("Error message: ") + errorString(errorCode) + "\n" +
+                            tr("See logs for details."));
+    emit closePage();
 }
 
 PageProtocolLogicBase *UiLogic::protocolLogic(Proto p)
@@ -497,4 +507,72 @@ void UiLogic::registerPagesLogic()
     registerPageLogic<ViewConfigLogic>();
     registerPageLogic<VpnLogic>();
     registerPageLogic<WizardLogic>();
+    registerPageLogic<AdvancedServerSettingsLogic>();
+}
+
+ErrorCode UiLogic::addAlreadyInstalledContainersGui(bool createNewServer, bool &isServerCreated)
+{
+    isServerCreated = false;
+    ServerCredentials credentials;
+    if (createNewServer) {
+        credentials = m_installCredentials;
+    } else {
+        credentials = m_settings->serverCredentials(m_selectedServerIndex);
+    }
+
+    QMap<DockerContainer, QJsonObject> installedContainers;
+    ErrorCode errorCode = m_serverController->getAlreadyInstalledContainers(credentials, installedContainers);
+    m_serverController->disconnectFromHost(credentials);
+    if (errorCode != ErrorCode::NoError) {
+        return errorCode;
+    }
+
+    if (!installedContainers.empty()) {
+        QJsonObject server;
+        QJsonArray containerConfigs;
+        if (createNewServer) {
+            server.insert(config_key::hostName, credentials.hostName);
+            server.insert(config_key::userName, credentials.userName);
+            server.insert(config_key::password, credentials.password);
+            server.insert(config_key::port, credentials.port);
+            server.insert(config_key::description, m_settings->nextAvailableServerName());
+        }
+
+        for (auto container = installedContainers.begin(); container != installedContainers.end(); container++) {
+            if (isContainerAlreadyAddedToGui(container.key())) {
+                continue;
+            }
+
+            if (createNewServer) {
+                containerConfigs.append(container.value());
+                server.insert(config_key::containers, containerConfigs);
+            } else {
+                m_settings->setContainerConfig(m_selectedServerIndex, container.key(), container.value());
+                m_settings->setDefaultContainer(m_selectedServerIndex, installedContainers.firstKey());
+            }
+        }
+
+        if (createNewServer) {
+            server.insert(config_key::defaultContainer, ContainerProps::containerToString(installedContainers.firstKey()));
+            m_settings->addServer(server);
+            m_settings->setDefaultServer(m_settings->serversCount() - 1);
+            isServerCreated = true;
+        }
+    }
+
+    return ErrorCode::NoError;
+}
+
+bool UiLogic::isContainerAlreadyAddedToGui(DockerContainer container)
+{
+    for (int i = 0; i < m_settings->serversCount(); i++) {
+        const ServerCredentials credentials = m_settings->serverCredentials(i);
+        if (m_installCredentials.hostName == credentials.hostName && m_installCredentials.port == credentials.port) {
+            const QJsonObject containerConfig = m_settings->containerConfig(i, container);
+            if (!containerConfig.isEmpty()) {
+                return true;
+            }
+        }
+    }
+    return false;
 }

client/ui/uilogic.h

@@ -42,6 +42,7 @@ class StartPageLogic;
 class ViewConfigLogic;
 class VpnLogic;
 class WizardLogic;
+class AdvancedServerSettingsLogic;
 
 class PageProtocolLogicBase;
 class OpenVpnLogic;
@@ -52,6 +53,7 @@ class OtherProtocolsLogic;
 
 class VpnConnection;
 
+class CreateServerTest;
 
 class UiLogic : public QObject
 {
@@ -60,7 +62,7 @@ class UiLogic : public QObject
     AUTO_PROPERTY(bool, pageEnabled)
     AUTO_PROPERTY(int, pagesStackDepth)
     AUTO_PROPERTY(int, currentPageValue)
-    AUTO_PROPERTY(QString, dialogConnectErrorText)
+    AUTO_PROPERTY(QString, popupWarningText)
 
     READONLY_PROPERTY(QObject *, containersModel)
     READONLY_PROPERTY(QObject *, protocolsModel)
@@ -87,6 +89,7 @@ public:
     friend class ViewConfigLogic;
     friend class VpnLogic;
     friend class WizardLogic;
+    friend class AdvancedServerSettingsLogic;
 
     friend class PageProtocolLogicBase;
     friend class OpenVpnLogic;
@@ -95,6 +98,8 @@ public:
 
     friend class OtherProtocolsLogic;
 
+    friend class CreateServerTest;
+
     Q_INVOKABLE virtual void onUpdatePage() {} // UiLogic is set as logic class for some qml pages
     Q_INVOKABLE void onUpdateAllPages();
 
@@ -112,11 +117,11 @@ public:
     Q_INVOKABLE void saveBinaryFile(const QString& desc, QString ext, const QString& data);
     Q_INVOKABLE void copyToClipboard(const QString& text);
 
+    Q_INVOKABLE amnezia::ErrorCode addAlreadyInstalledContainersGui(bool createNewServer, bool &isServerCreated);
+
     void shareTempFile(const QString &suggestedName, QString ext, const QString& data);
 
 signals:
-    void dialogConnectErrorTextChanged();
-
     void goToPage(PageEnumNS::Page page, bool reset = true, bool slide = true);
     void goToProtocolPage(Proto protocol, bool reset = true, bool slide = true);
     void goToShareProtocolPage(Proto protocol, bool reset = true, bool slide = true);
@@ -129,13 +134,15 @@ signals:
     void hide();
     void raise();
     void toggleLogPanel();
+    void showWarningMessage(QString message);
 
 private slots:
     // containers - INOUT arg
-    void installServer(QMap<DockerContainer, QJsonObject> &containers);
+    void installServer(QPair<amnezia::DockerContainer, QJsonObject> &container);
 
 private:
     PageEnumNS::Page currentPage();
+    bool isContainerAlreadyAddedToGui(DockerContainer container);
 
 public:
     Q_INVOKABLE PageProtocolLogicBase *protocolLogic(Proto p);
@@ -178,8 +185,8 @@ private:
 
     NotificationHandler* m_notificationHandler;
 
-    int selectedServerIndex = -1; // server index to use when proto settings page opened
+    int m_selectedServerIndex = -1; // server index to use when proto settings page opened
-    DockerContainer selectedDockerContainer; // same
+    DockerContainer m_selectedDockerContainer; // same
-    ServerCredentials installCredentials; // used to save cred between pages new_server and new_server_protocols and wizard
+    ServerCredentials m_installCredentials; // used to save cred between pages new_server and new_server_protocols and wizard
 };
 #endif // UILOGIC_H

deploy/build_android.sh

@@ -52,7 +52,7 @@ $QT_HOST_PATH/bin/androiddeployqt \
     --gradle \
     --release \
     --input android-AmneziaVPN-deployment-settings.json \
-    --android-platform android-31
+    --android-platform android-33
    
 echo "............Copy apk.................."
 cp $OUT_APP_DIR/android-build/build/outputs/apk/release/android-build-release-unsigned.apk \