Open docs url according for Ukrainian language

change pretty product name to product type for api payload

client/CMakeLists.txt

@@ -151,7 +151,6 @@ include_directories(mozilla/models)
 
 if(NOT IOS)
     set(HEADERS ${HEADERS}
-        ${CMAKE_CURRENT_LIST_DIR}/platforms/ios/MobileUtils.h
         ${CMAKE_CURRENT_LIST_DIR}/platforms/ios/QRCodeReaderBase.h
     )
 endif()
@@ -193,7 +192,6 @@ endif()
 
 if(NOT IOS)
     set(SOURCES ${SOURCES}
-        ${CMAKE_CURRENT_LIST_DIR}/platforms/ios/MobileUtils.cpp
         ${CMAKE_CURRENT_LIST_DIR}/platforms/ios/QRCodeReaderBase.cpp
     )
 endif()

client/amnezia_application.cpp

@@ -55,6 +55,7 @@ AmneziaApplication::AmneziaApplication(int &argc, char *argv[], bool allowSecond
 #endif
 
     m_settings = std::shared_ptr<Settings>(new Settings);
+    m_nam = new QNetworkAccessManager(this);
 }
 
 AmneziaApplication::~AmneziaApplication()
@@ -150,7 +151,7 @@ void AmneziaApplication::init()
 
     connect(m_notificationHandler.get(), &NotificationHandler::raiseRequested, m_pageController.get(), &PageController::raiseMainWindow);
     connect(m_notificationHandler.get(), &NotificationHandler::connectRequested, m_connectionController.get(),
-            &ConnectionController::openConnection);
+            static_cast<void (ConnectionController::*)()>(&ConnectionController::openConnection));
     connect(m_notificationHandler.get(), &NotificationHandler::disconnectRequested, m_connectionController.get(),
             &ConnectionController::closeConnection);
     connect(this, &AmneziaApplication::translationsUpdated, m_notificationHandler.get(), &NotificationHandler::onTranslationsUpdated);
@@ -362,16 +363,22 @@ void AmneziaApplication::initControllers()
             new ConnectionController(m_serversModel, m_containersModel, m_clientManagementModel, m_vpnConnection, m_settings));
     m_engine->rootContext()->setContextProperty("ConnectionController", m_connectionController.get());
 
-    connect(m_connectionController.get(), &ConnectionController::connectionErrorOccurred, this, [this](const QString &errorMessage) {
+    connect(m_connectionController.get(), qOverload<const QString &>(&ConnectionController::connectionErrorOccurred), this, [this](const QString &errorMessage) {
         emit m_pageController->showErrorMessage(errorMessage);
         emit m_vpnConnection->connectionStateChanged(Vpn::ConnectionState::Disconnected);
     });
+
+    connect(m_connectionController.get(), qOverload<ErrorCode>(&ConnectionController::connectionErrorOccurred), this, [this](ErrorCode errorCode) {
+      emit m_pageController->showErrorMessage(errorCode);
+      emit m_vpnConnection->connectionStateChanged(Vpn::ConnectionState::Disconnected);
+    });
+
     connect(m_connectionController.get(), &ConnectionController::connectButtonClicked, m_connectionController.get(),
             &ConnectionController::toggleConnection, Qt::QueuedConnection);
 
     connect(this, &AmneziaApplication::translationsUpdated, m_connectionController.get(), &ConnectionController::onTranslationsUpdated);
 
-    m_pageController.reset(new PageController(m_serversModel, m_settings));
+    m_pageController.reset(new PageController(m_serversModel, m_settings, m_languageModel));
     m_engine->rootContext()->setContextProperty("PageController", m_pageController.get());
 
     m_installController.reset(new InstallController(m_serversModel, m_containersModel, m_protocolsModel, m_clientManagementModel, m_settings));

client/amnezia_application.h

@@ -2,6 +2,7 @@
 #define AMNEZIA_APPLICATION_H
 
 #include <QCommandLineParser>
+#include <QNetworkAccessManager>
 #include <QQmlApplicationEngine>
 #include <QQmlContext>
 #include <QThread>
@@ -75,6 +76,7 @@ public:
     bool parseCommands();
 
     QQmlApplicationEngine *qmlEngine() const;
+    QNetworkAccessManager *manager() { return m_nam; }
 
 signals:
     void translationsUpdated();
@@ -128,6 +130,8 @@ private:
     QScopedPointer<SitesController> m_sitesController;
     QScopedPointer<SystemController> m_systemController;
     QScopedPointer<AppSplitTunnelingController> m_appSplitTunnelingController;
+
+    QNetworkAccessManager *m_nam;
 };
 
 #endif // AMNEZIA_APPLICATION_H

client/cmake/ios.cmake

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

client/core/controllers/apiController.cpp

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

client/core/controllers/apiController.h

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

client/core/defs.h

@@ -36,7 +36,11 @@ namespace amnezia
         }
     };
 
-    enum ErrorCode {
+    namespace error_code_ns
+    {
+      Q_NAMESPACE
+      // TODO: change to enum class
+      enum ErrorCode {
         // General error codes
         NoError = 0,
         UnknownError = 100,
@@ -75,7 +79,7 @@ namespace amnezia
         AmneziaServiceConnectionFailed = 603,
         ExecutableMissing = 604,
         XrayExecutableMissing = 605,
-        Tun2SockExecutableMissing = 606,        
+        Tun2SockExecutableMissing = 606,
 
         // VPN errors
         OpenVpnAdaptersInUseError = 700,
@@ -99,6 +103,9 @@ namespace amnezia
         // Api errors
         ApiConfigDownloadError = 1100,
         ApiConfigAlreadyAdded = 1101,
+        ApiConfigEmptyError = 1102,
+        ApiConfigTimeoutError = 1103,
+        ApiConfigSslError = 1104,
 
         // QFile errors
         OpenError = 1200,
@@ -107,7 +114,11 @@ namespace amnezia
         UnspecifiedError = 1203,
         FatalError = 1204,
         AbortError = 1205
-    };
+      };
+      Q_ENUM_NS(ErrorCode)
+    }
+
+    using ErrorCode = error_code_ns::ErrorCode;
 
 } // namespace amnezia
 

client/core/errorstrings.cpp

@@ -8,65 +8,68 @@ QString errorString(ErrorCode code) {
     switch (code) {
 
     // General error codes
-    case(NoError): errorMessage = QObject::tr("No error"); break;
-    case(UnknownError): errorMessage = QObject::tr("Unknown Error"); break;
-    case(NotImplementedError): errorMessage = QObject::tr("Function not implemented"); break;
-    case(AmneziaServiceNotRunning): errorMessage = QObject::tr("Background service is not running"); break;
+    case(ErrorCode::NoError): errorMessage = QObject::tr("No error"); break;
+    case(ErrorCode::UnknownError): errorMessage = QObject::tr("Unknown Error"); break;
+    case(ErrorCode::NotImplementedError): errorMessage = QObject::tr("Function not implemented"); break;
+    case(ErrorCode::AmneziaServiceNotRunning): errorMessage = QObject::tr("Background service is not running"); break;
 
     // Server errors
-    case(ServerCheckFailed): errorMessage = QObject::tr("Server check failed"); break;
-    case(ServerPortAlreadyAllocatedError): errorMessage = QObject::tr("Server port already used. Check for another software"); break;
-    case(ServerContainerMissingError): errorMessage = QObject::tr("Server error: Docker container missing"); break;
-    case(ServerDockerFailedError): errorMessage = QObject::tr("Server error: Docker failed"); break;
-    case(ServerCancelInstallation): errorMessage = QObject::tr("Installation canceled by user"); break;
-    case(ServerUserNotInSudo): errorMessage = QObject::tr("The user does not have permission to use sudo"); break;
-    case(ServerPacketManagerError): errorMessage = QObject::tr("Server error: Packet manager error"); break;
+    case(ErrorCode::ServerCheckFailed): errorMessage = QObject::tr("Server check failed"); break;
+    case(ErrorCode::ServerPortAlreadyAllocatedError): errorMessage = QObject::tr("Server port already used. Check for another software"); break;
+    case(ErrorCode::ServerContainerMissingError): errorMessage = QObject::tr("Server error: Docker container missing"); break;
+    case(ErrorCode::ServerDockerFailedError): errorMessage = QObject::tr("Server error: Docker failed"); break;
+    case(ErrorCode::ServerCancelInstallation): errorMessage = QObject::tr("Installation canceled by user"); break;
+    case(ErrorCode::ServerUserNotInSudo): errorMessage = QObject::tr("The user does not have permission to use sudo"); break;
+    case(ErrorCode::ServerPacketManagerError): errorMessage = QObject::tr("Server error: Packet manager error"); break;
 
     // Libssh errors
-    case(SshRequestDeniedError): errorMessage = QObject::tr("Ssh request was denied"); break;
-    case(SshInterruptedError): errorMessage = QObject::tr("Ssh request was interrupted"); break;
-    case(SshInternalError): errorMessage = QObject::tr("Ssh internal error"); break;
-    case(SshPrivateKeyError): errorMessage = QObject::tr("Invalid private key or invalid passphrase entered"); break;
-    case(SshPrivateKeyFormatError): errorMessage = QObject::tr("The selected private key format is not supported, use openssh ED25519 key types or PEM key types"); break;
-    case(SshTimeoutError): errorMessage = QObject::tr("Timeout connecting to server"); break;
+    case(ErrorCode::SshRequestDeniedError): errorMessage = QObject::tr("Ssh request was denied"); break;
+    case(ErrorCode::SshInterruptedError): errorMessage = QObject::tr("Ssh request was interrupted"); break;
+    case(ErrorCode::SshInternalError): errorMessage = QObject::tr("Ssh internal error"); break;
+    case(ErrorCode::SshPrivateKeyError): errorMessage = QObject::tr("Invalid private key or invalid passphrase entered"); break;
+    case(ErrorCode::SshPrivateKeyFormatError): errorMessage = QObject::tr("The selected private key format is not supported, use openssh ED25519 key types or PEM key types"); break;
+    case(ErrorCode::SshTimeoutError): errorMessage = QObject::tr("Timeout connecting to server"); break;
 
     // Ssh scp errors
-    case(SshScpFailureError): errorMessage = QObject::tr("Scp error: Generic failure"); break;
+    case(ErrorCode::SshScpFailureError): errorMessage = QObject::tr("Scp error: Generic failure"); break;
 
     // Local errors
-    case (OpenVpnConfigMissing): errorMessage = QObject::tr("OpenVPN config missing"); break;
-    case (OpenVpnManagementServerError): errorMessage = QObject::tr("OpenVPN management server error"); break;
+    case (ErrorCode::OpenVpnConfigMissing): errorMessage = QObject::tr("OpenVPN config missing"); break;
+    case (ErrorCode::OpenVpnManagementServerError): errorMessage = QObject::tr("OpenVPN management server error"); break;
 
     // Distro errors
-    case (OpenVpnExecutableMissing): errorMessage = QObject::tr("OpenVPN executable missing"); break;
-    case (ShadowSocksExecutableMissing): errorMessage = QObject::tr("ShadowSocks (ss-local) executable missing"); break;
-    case (CloakExecutableMissing): errorMessage = QObject::tr("Cloak (ck-client) executable missing"); break;
-    case (AmneziaServiceConnectionFailed): errorMessage = QObject::tr("Amnezia helper service error"); break;
-    case (OpenSslFailed): errorMessage = QObject::tr("OpenSSL failed"); break;
+    case (ErrorCode::OpenVpnExecutableMissing): errorMessage = QObject::tr("OpenVPN executable missing"); break;
+    case (ErrorCode::ShadowSocksExecutableMissing): errorMessage = QObject::tr("ShadowSocks (ss-local) executable missing"); break;
+    case (ErrorCode::CloakExecutableMissing): errorMessage = QObject::tr("Cloak (ck-client) executable missing"); break;
+    case (ErrorCode::AmneziaServiceConnectionFailed): errorMessage = QObject::tr("Amnezia helper service error"); break;
+    case (ErrorCode::OpenSslFailed): errorMessage = QObject::tr("OpenSSL failed"); break;
 
     // VPN errors
-    case (OpenVpnAdaptersInUseError): errorMessage = QObject::tr("Can't connect: another VPN connection is active"); break;
-    case (OpenVpnTapAdapterError): errorMessage = QObject::tr("Can't setup OpenVPN TAP network adapter"); break;
-    case (AddressPoolError): errorMessage = QObject::tr("VPN pool error: no available addresses"); break;
+    case (ErrorCode::OpenVpnAdaptersInUseError): errorMessage = QObject::tr("Can't connect: another VPN connection is active"); break;
+    case (ErrorCode::OpenVpnTapAdapterError): errorMessage = QObject::tr("Can't setup OpenVPN TAP network adapter"); break;
+    case (ErrorCode::AddressPoolError): errorMessage = QObject::tr("VPN pool error: no available addresses"); break;
 
-    case (ImportInvalidConfigError): errorMessage = QObject::tr("The config does not contain any containers and credentials for connecting to the server"); break;
+    case (ErrorCode::ImportInvalidConfigError): errorMessage = QObject::tr("The config does not contain any containers and credentials for connecting to the server"); break;
 
     // Android errors
-    case (AndroidError): errorMessage = QObject::tr("VPN connection error"); break;
+    case (ErrorCode::AndroidError): errorMessage = QObject::tr("VPN connection error"); break;
 
     // Api errors
-    case (ApiConfigDownloadError): errorMessage = QObject::tr("Error when retrieving configuration from API"); break;
-    case (ApiConfigAlreadyAdded): errorMessage = QObject::tr("This config has already been added to the application"); break;
-
+    case (ErrorCode::ApiConfigDownloadError): errorMessage = QObject::tr("Error when retrieving configuration from API"); break;
+    case (ErrorCode::ApiConfigAlreadyAdded): errorMessage = QObject::tr("This config has already been added to the application"); break;
+    case (ErrorCode::ApiConfigEmptyError): errorMessage = QObject::tr("In the response from the server, an empty config was received"); break;
+    case (ErrorCode::ApiConfigSslError): errorMessage = QObject::tr("SSL error occurred"); break;
+    case (ErrorCode::ApiConfigTimeoutError): errorMessage = QObject::tr("Server response timeout on api request"); break;
+      
     // QFile errors
-    case(OpenError): errorMessage = QObject::tr("QFile error: The file could not be opened"); break;
-    case(ReadError): errorMessage = QObject::tr("QFile error: An error occurred when reading from the file"); break;
-    case(PermissionsError): errorMessage = QObject::tr("QFile error: The file could not be accessed"); break;
-    case(UnspecifiedError): errorMessage =  QObject::tr("QFile error: An unspecified error occurred"); break;
-    case(FatalError): errorMessage =  QObject::tr("QFile error: A fatal error occurred"); break;
-    case(AbortError): errorMessage =  QObject::tr("QFile error: The operation was aborted"); break;
+    case(ErrorCode::OpenError): errorMessage = QObject::tr("QFile error: The file could not be opened"); break;
+    case(ErrorCode::ReadError): errorMessage = QObject::tr("QFile error: An error occurred when reading from the file"); break;
+    case(ErrorCode::PermissionsError): errorMessage = QObject::tr("QFile error: The file could not be accessed"); break;
+    case(ErrorCode::UnspecifiedError): errorMessage =  QObject::tr("QFile error: An unspecified error occurred"); break;
+    case(ErrorCode::FatalError): errorMessage =  QObject::tr("QFile error: A fatal error occurred"); break;
+    case(ErrorCode::AbortError): errorMessage =  QObject::tr("QFile error: The operation was aborted"); break;
 
-    case(InternalError):
+    case(ErrorCode::InternalError):
     default:
         errorMessage = QObject::tr("Internal error"); break;
     }

client/ios/app/Info.plist.in

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

client/main.cpp

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

client/platforms/android/android_controller.cpp

@@ -136,7 +136,7 @@ ErrorCode AndroidController::start(const QJsonObject &vpnConfig)
     callActivityMethod("start", "(Ljava/lang/String;)V",
                        QJniObject::fromString(config).object<jstring>());
 
-    return NoError;
+    return ErrorCode::NoError;
 }
 
 void AndroidController::stop()

client/platforms/ios/MobileUtils.cpp

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

client/platforms/ios/MobileUtils.h

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

client/platforms/ios/MobileUtils.mm

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

client/platforms/ios/ios_controller.h

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

client/platforms/ios/ios_controller.mm

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

client/platforms/ios/ios_controller_wrapper.h

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

client/platforms/ios/ios_controller_wrapper.mm

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

client/secure_qsettings.cpp

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

client/translations/amneziavpn_ar_EG.ts

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

client/translations/amneziavpn_fa_IR.ts

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

client/translations/amneziavpn_hi_IN.ts

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

client/translations/amneziavpn_my_MM.ts

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

client/translations/amneziavpn_ru_RU.ts

@@ -2997,8 +2997,8 @@ While it offers a blend of security, stability, and speed, it's essential t
     </message>
     <message>
         <location filename="../containers/containers_defs.cpp" line="121"/>
-        <source>IKEv2 -  Modern stable protocol, a bit faster than others, restores connection after signal loss. It has native support on the latest versions of Android and iOS.</source>
-        <translation>IKEv2 Современный стабильный протокол, немного быстрее других восстанавливает соединение после потери сигнала. Имеет нативную поддержку последних версиий Android и iOS.</translation>
+        <source>IKEv2 -  Modern stable protocol, a bit faster than others, restores connection after signal loss.</source>
+        <translation>IKEv2 Современный стабильный протокол, немного быстрее других восстанавливает соединение после потери сигнала.</translation>
     </message>
     <message>
         <location filename="../containers/containers_defs.cpp" line="124"/>

client/translations/amneziavpn_uk_UA.ts

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

client/translations/amneziavpn_ur_PK.ts

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

client/translations/amneziavpn_zh_CN.ts

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

client/ui/controllers/connectionController.cpp

@@ -7,10 +7,7 @@
 #endif
 #include <QtConcurrent>
 
-#include "utilities.h"
-#include "core/controllers/apiController.h"
 #include "core/controllers/vpnConfigurationController.h"
-#include "core/errorstrings.h"
 #include "version.h"
 
 ConnectionController::ConnectionController(const QSharedPointer<ServersModel> &serversModel,
@@ -19,6 +16,7 @@ ConnectionController::ConnectionController(const QSharedPointer<ServersModel> &s
                                            const QSharedPointer<VpnConnection> &vpnConnection, const std::shared_ptr<Settings> &settings,
                                            QObject *parent)
     : QObject(parent),
+      m_apiController(this),
       m_serversModel(serversModel),
       m_containersModel(containersModel),
       m_clientManagementModel(clientManagementModel),
@@ -29,6 +27,10 @@ ConnectionController::ConnectionController(const QSharedPointer<ServersModel> &s
     connect(this, &ConnectionController::connectToVpn, m_vpnConnection.get(), &VpnConnection::connectToVpn, Qt::QueuedConnection);
     connect(this, &ConnectionController::disconnectFromVpn, m_vpnConnection.get(), &VpnConnection::disconnectFromVpn, Qt::QueuedConnection);
 
+    connect(&m_apiController, &ApiController::configUpdated, this,
+            static_cast<void (ConnectionController::*)(const bool, const QJsonObject &, const int)>(&ConnectionController::openConnection));
+    connect(&m_apiController, qOverload<ErrorCode>(&ApiController::errorOccurred), this, qOverload<ErrorCode>(&ConnectionController::connectionErrorOccurred));
+
     m_state = Vpn::ConnectionState::Disconnected;
 }
 
@@ -37,70 +39,22 @@ void ConnectionController::openConnection()
 #if !defined(Q_OS_ANDROID) && !defined(Q_OS_IOS)
     if (!Utils::processIsRunning(Utils::executable(SERVICE_NAME, false), true))
     {
-        emit connectionErrorOccurred(errorString(ErrorCode::AmneziaServiceNotRunning));
+        emit connectionErrorOccurred(ErrorCode::AmneziaServiceNotRunning);
         return;
     }
 #endif
 
     int serverIndex = m_serversModel->getDefaultServerIndex();
-    auto serverConfig = m_serversModel->getServerConfig(serverIndex);
-
-    ErrorCode errorCode = ErrorCode::NoError;
+    QJsonObject serverConfig = m_serversModel->getServerConfig(serverIndex);
 
     emit m_vpnConnection->connectionStateChanged(Vpn::ConnectionState::Preparing);
 
     if (serverConfig.value(config_key::configVersion).toInt()
         && !m_serversModel->data(serverIndex, ServersModel::Roles::HasInstalledContainers).toBool()) {
-        ApiController apiController;
-        errorCode = apiController.updateServerConfigFromApi(m_settings->getInstallationUuid(true), serverConfig);
-        if (errorCode != ErrorCode::NoError) {
-            emit connectionErrorOccurred(errorString(errorCode));
-            return;
-        }
-        m_serversModel->editServer(serverConfig, serverIndex);
+        m_apiController.updateServerConfigFromApi(m_settings->getInstallationUuid(true), serverIndex, serverConfig);
+    } else {
+        openConnection(false, serverConfig, serverIndex);
     }
-
-    if (!m_serversModel->data(serverIndex, ServersModel::Roles::HasInstalledContainers).toBool()) {
-        emit noInstalledContainers();
-        emit m_vpnConnection->connectionStateChanged(Vpn::ConnectionState::Disconnected);
-        return;
-    }
-
-    DockerContainer container = qvariant_cast<DockerContainer>(m_serversModel->data(serverIndex, ServersModel::Roles::DefaultContainerRole));
-
-    if (!m_containersModel->isSupportedByCurrentPlatform(container)) {
-        emit connectionErrorOccurred(tr("The selected protocol is not supported on the current platform"));
-        return;
-    }
-
-    if (container == DockerContainer::None) {
-        emit connectionErrorOccurred(tr("VPN Protocols is not installed.\n Please install VPN container at first"));
-        return;
-    }
-
-    qApp->processEvents();
-
-    QSharedPointer<ServerController> serverController(new ServerController(m_settings));
-    VpnConfigurationsController vpnConfigurationController(m_settings, serverController);
-
-    QJsonObject containerConfig = m_containersModel->getContainerConfig(container);
-    ServerCredentials credentials = m_serversModel->getServerCredentials(serverIndex);
-    errorCode = updateProtocolConfig(container, credentials, containerConfig, serverController);
-    if (errorCode != ErrorCode::NoError) {
-        emit connectionErrorOccurred(errorString(errorCode));
-        return;
-    }
-
-    auto dns = m_serversModel->getDnsPair(serverIndex);
-    serverConfig = m_serversModel->getServerConfig(serverIndex);
-
-    auto vpnConfiguration = vpnConfigurationController.createVpnConfiguration(dns, serverConfig, containerConfig, container, errorCode);
-    if (errorCode != ErrorCode::NoError) {
-        emit connectionErrorOccurred(tr("unable to create configuration"));
-        return;
-    }
-
-    emit connectToVpn(serverIndex, credentials, container, vpnConfiguration);
 }
 
 void ConnectionController::closeConnection()
@@ -108,9 +62,9 @@ void ConnectionController::closeConnection()
     emit disconnectFromVpn();
 }
 
-QString ConnectionController::getLastConnectionError()
+ErrorCode ConnectionController::getLastConnectionError()
 {
-    return errorString(m_vpnConnection->lastError());
+    return m_vpnConnection->lastError();
 }
 
 void ConnectionController::onConnectionStateChanged(Vpn::ConnectionState state)
@@ -231,6 +185,53 @@ bool ConnectionController::isProtocolConfigExists(const QJsonObject &containerCo
     return true;
 }
 
+void ConnectionController::openConnection(const bool updateConfig, const QJsonObject &config, const int serverIndex)
+{
+    // Update config for this server as it was received from API
+    if (updateConfig) {
+        m_serversModel->editServer(config, serverIndex);
+    }
+
+    if (!m_serversModel->data(serverIndex, ServersModel::Roles::HasInstalledContainers).toBool()) {
+        emit noInstalledContainers();
+        emit m_vpnConnection->connectionStateChanged(Vpn::ConnectionState::Disconnected);
+        return;
+    }
+
+    DockerContainer container = qvariant_cast<DockerContainer>(m_serversModel->data(serverIndex, ServersModel::Roles::DefaultContainerRole));
+
+    if (!m_containersModel->isSupportedByCurrentPlatform(container)) {
+        emit connectionErrorOccurred(tr("The selected protocol is not supported on the current platform"));
+        return;
+    }
+
+    if (container == DockerContainer::None) {
+        emit connectionErrorOccurred(tr("VPN Protocols is not installed.\n Please install VPN container at first"));
+        return;
+    }
+
+    QSharedPointer<ServerController> serverController(new ServerController(m_settings));
+    VpnConfigurationsController vpnConfigurationController(m_settings, serverController);
+
+    QJsonObject containerConfig = m_containersModel->getContainerConfig(container);
+    ServerCredentials credentials = m_serversModel->getServerCredentials(serverIndex);
+    ErrorCode errorCode = updateProtocolConfig(container, credentials, containerConfig, serverController);
+    if (errorCode != ErrorCode::NoError) {
+        emit connectionErrorOccurred(errorCode);
+        return;
+    }
+
+    auto dns = m_serversModel->getDnsPair(serverIndex);
+
+    auto vpnConfiguration = vpnConfigurationController.createVpnConfiguration(dns, config, containerConfig, container, errorCode);
+    if (errorCode != ErrorCode::NoError) {
+        emit connectionErrorOccurred(tr("unable to create configuration"));
+        return;
+    }
+
+    emit connectToVpn(serverIndex, credentials, container, vpnConfiguration);
+}
+
 ErrorCode ConnectionController::updateProtocolConfig(const DockerContainer container, const ServerCredentials &credentials,
                                                      QJsonObject &containerConfig, QSharedPointer<ServerController> serverController)
 {

client/ui/controllers/connectionController.h

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

client/ui/controllers/exportController.cpp

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

client/ui/controllers/exportController.h

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

client/ui/controllers/importController.cpp

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

client/ui/controllers/importController.h

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

client/ui/controllers/installController.cpp

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

client/ui/controllers/installController.h

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

client/ui/controllers/pageController.cpp

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

client/ui/controllers/pageController.h

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

client/ui/controllers/systemController.cpp

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

client/ui/models/languageModel.cpp

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

client/ui/models/languageModel.h

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

client/ui/qml/Controls2/PopupType.qml

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

client/ui/qml/Pages2/PageSetupWizardStart.qml

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

client/ui/qml/Pages2/PageShare.qml

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

client/ui/qml/Pages2/PageStart.qml

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

client/utils/converter.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <QMetaEnum>
+
+namespace utils
+{
+  template<typename Enum>
+  QString enumToString(Enum value)
+  {
+    auto metaEnum = QMetaEnum::fromType<Enum>();
+    return metaEnum.valueToKey(static_cast<int>(value));
+  }
+
+  template<typename Enum>
+  Enum enumFromString(const QString &str, Enum defaultValue = {})
+  {
+    auto metaEnum = QMetaEnum::fromType<Enum>();
+    bool isOk;
+    auto value = metaEnum.keyToValue(str.toLatin1(), &isOk);
+    if (isOk) {
+      return static_cast<Enum>(value);
+    }
+    return defaultValue;
+  }
+}