feature/premium v1 migration (#1569)

* feature: premium v1 migration

* chore: added stage for macos with new qt version

* chore: downgrade qif version

* chore: minor ui fixes

.github/workflows/deploy.yml

@@ -20,6 +20,8 @@ jobs:
       DEV_AGW_PUBLIC_KEY: ${{ secrets.DEV_AGW_PUBLIC_KEY }}
       DEV_AGW_ENDPOINT: ${{ secrets.DEV_AGW_ENDPOINT }}
       DEV_S3_ENDPOINT: ${{ secrets.DEV_S3_ENDPOINT }}
+      FREE_V2_ENDPOINT: ${{ secrets.FREE_V2_ENDPOINT }}
+      PREM_V1_ENDPOINT: ${{ secrets.PREM_V1_ENDPOINT }}
 
     steps:
     - name: 'Install Qt'
@@ -90,6 +92,8 @@ jobs:
       DEV_AGW_PUBLIC_KEY: ${{ secrets.DEV_AGW_PUBLIC_KEY }}
       DEV_AGW_ENDPOINT: ${{ secrets.DEV_AGW_ENDPOINT }}
       DEV_S3_ENDPOINT: ${{ secrets.DEV_S3_ENDPOINT }}
+      FREE_V2_ENDPOINT: ${{ secrets.FREE_V2_ENDPOINT }}
+      PREM_V1_ENDPOINT: ${{ secrets.PREM_V1_ENDPOINT }}
 
     steps:
     - name: 'Get sources'
@@ -156,6 +160,8 @@ jobs:
       DEV_AGW_PUBLIC_KEY: ${{ secrets.DEV_AGW_PUBLIC_KEY }}
       DEV_AGW_ENDPOINT: ${{ secrets.DEV_AGW_ENDPOINT }}
       DEV_S3_ENDPOINT: ${{ secrets.DEV_S3_ENDPOINT }}
+      FREE_V2_ENDPOINT: ${{ secrets.FREE_V2_ENDPOINT }}
+      PREM_V1_ENDPOINT: ${{ secrets.PREM_V1_ENDPOINT }}
 
     steps:
     - name: 'Setup xcode'
@@ -243,7 +249,7 @@ jobs:
 
 # ------------------------------------------------------
 
-  Build-MacOS:
+  Build-MacOS-old:
     runs-on: macos-latest
 
     env:
@@ -255,6 +261,78 @@ jobs:
       DEV_AGW_PUBLIC_KEY: ${{ secrets.DEV_AGW_PUBLIC_KEY }}
       DEV_AGW_ENDPOINT: ${{ secrets.DEV_AGW_ENDPOINT }}
       DEV_S3_ENDPOINT: ${{ secrets.DEV_S3_ENDPOINT }}
+      FREE_V2_ENDPOINT: ${{ secrets.FREE_V2_ENDPOINT }}
+      PREM_V1_ENDPOINT: ${{ secrets.PREM_V1_ENDPOINT }}
+
+    steps:
+    - name: 'Setup xcode'
+      uses: maxim-lobanov/setup-xcode@v1
+      with:
+        xcode-version: '15.4.0'
+
+    - name: 'Install Qt'
+      uses: jurplel/install-qt-action@v3
+      with:
+        version: ${{ env.QT_VERSION }}
+        host: 'mac'
+        target: 'desktop'
+        arch: 'clang_64'
+        modules: 'qtremoteobjects qt5compat qtshadertools'
+        dir: ${{ runner.temp }}
+        setup-python: 'true'
+        set-env: 'true'
+        extra: '--external 7z --base ${{ env.QT_MIRROR }}'
+
+    - name: 'Install Qt Installer Framework ${{ env.QIF_VERSION }}'
+      run: |
+        mkdir -pv ${{ runner.temp }}/Qt/Tools/QtInstallerFramework
+        wget https://qt.amzsvc.com/tools/ifw/${{ env.QIF_VERSION }}.zip
+        unzip ${{ env.QIF_VERSION }}.zip -d ${{ runner.temp }}/Qt/Tools/QtInstallerFramework/
+
+    - name: 'Get sources'
+      uses: actions/checkout@v4
+      with:
+        submodules: 'true'
+        fetch-depth: 10
+
+    - name: 'Setup ccache'
+      uses: hendrikmuhs/ccache-action@v1.2
+
+    - name: 'Build project'
+      run: |
+        export QT_BIN_DIR="${{ runner.temp }}/Qt/${{ env.QT_VERSION }}/macos/bin"
+        export QIF_BIN_DIR="${{ runner.temp }}/Qt/Tools/QtInstallerFramework/${{ env.QIF_VERSION }}/bin"
+        bash deploy/build_macos.sh
+
+    - name: 'Upload installer artifact'
+      uses: actions/upload-artifact@v4
+      with:
+        name: AmneziaVPN_MacOS_old_installer
+        path: AmneziaVPN.dmg
+        retention-days: 7
+
+    - name: 'Upload unpacked artifact'
+      uses: actions/upload-artifact@v4
+      with:
+        name: AmneziaVPN_MacOS_old_unpacked
+        path: deploy/build/client/AmneziaVPN.app
+        retention-days: 7
+
+# ------------------------------------------------------
+
+  Build-MacOS:
+    runs-on: macos-latest
+
+    env:
+      QT_VERSION: 6.8.0
+      QIF_VERSION: 4.8.1
+      PROD_AGW_PUBLIC_KEY: ${{ secrets.PROD_AGW_PUBLIC_KEY }}
+      PROD_S3_ENDPOINT: ${{ secrets.PROD_S3_ENDPOINT }}
+      DEV_AGW_PUBLIC_KEY: ${{ secrets.DEV_AGW_PUBLIC_KEY }}
+      DEV_AGW_ENDPOINT: ${{ secrets.DEV_AGW_ENDPOINT }}
+      DEV_S3_ENDPOINT: ${{ secrets.DEV_S3_ENDPOINT }}
+      FREE_V2_ENDPOINT: ${{ secrets.FREE_V2_ENDPOINT }}
+      PREM_V1_ENDPOINT: ${{ secrets.PREM_V1_ENDPOINT }}
 
     steps:
     - name: 'Setup xcode'
@@ -324,6 +402,8 @@ jobs:
       DEV_AGW_PUBLIC_KEY: ${{ secrets.DEV_AGW_PUBLIC_KEY }}
       DEV_AGW_ENDPOINT: ${{ secrets.DEV_AGW_ENDPOINT }}
       DEV_S3_ENDPOINT: ${{ secrets.DEV_S3_ENDPOINT }}
+      FREE_V2_ENDPOINT: ${{ secrets.FREE_V2_ENDPOINT }}
+      PREM_V1_ENDPOINT: ${{ secrets.PREM_V1_ENDPOINT }}
 
     steps:
     - name: 'Install desktop Qt'

.github/workflows/tag-deploy.yml

@@ -20,6 +20,8 @@ jobs:
       DEV_AGW_PUBLIC_KEY: ${{ secrets.DEV_AGW_PUBLIC_KEY }}
       DEV_AGW_ENDPOINT: ${{ secrets.DEV_AGW_ENDPOINT }}
       DEV_S3_ENDPOINT: ${{ secrets.DEV_S3_ENDPOINT }}
+      FREE_V2_ENDPOINT: ${{ secrets.FREE_V2_ENDPOINT }}
+      PREM_V1_ENDPOINT: ${{ secrets.PREM_V1_ENDPOINT }}
 
     steps:
     - name: 'Install desktop Qt'

client/CMakeLists.txt

@@ -31,6 +31,9 @@ add_definitions(-DDEV_AGW_PUBLIC_KEY="$ENV{DEV_AGW_PUBLIC_KEY}")
 add_definitions(-DDEV_AGW_ENDPOINT="$ENV{DEV_AGW_ENDPOINT}")
 add_definitions(-DDEV_S3_ENDPOINT="$ENV{DEV_S3_ENDPOINT}")
 
+add_definitions(-DFREE_V2_ENDPOINT="$ENV{FREE_V2_ENDPOINT}")
+add_definitions(-DPREM_V1_ENDPOINT="$ENV{PREM_V1_ENDPOINT}")
+
 if(WIN32 OR (APPLE AND NOT IOS) OR (LINUX AND NOT ANDROID))
     set(PACKAGES ${PACKAGES} Widgets)
 endif()

client/core/api/apiDefs.h

@@ -22,12 +22,19 @@ namespace apiDefs
     namespace key
     {
         constexpr QLatin1String configVersion("config_version");
+        constexpr QLatin1String apiEndpoint("api_endpoint");
+        constexpr QLatin1String apiKey("api_key");
+        constexpr QLatin1String description("description");
+        constexpr QLatin1String name("name");
+        constexpr QLatin1String protocol("protocol");
 
         constexpr QLatin1String apiConfig("api_config");
         constexpr QLatin1String stackType("stack_type");
         constexpr QLatin1String serviceType("service_type");
 
         constexpr QLatin1String vpnKey("vpn_key");
+        constexpr QLatin1String config("config");
+        constexpr QLatin1String configs("configs");
 
         constexpr QLatin1String installationUuid("installation_uuid");
         constexpr QLatin1String workerLastUpdated("worker_last_updated");
@@ -51,6 +58,10 @@ namespace apiDefs
         constexpr QLatin1String website("website");
         constexpr QLatin1String websiteName("website_name");
         constexpr QLatin1String telegram("telegram");
+
+        constexpr QLatin1String id("id");
+        constexpr QLatin1String orderId("order_id");
+        constexpr QLatin1String migrationCode("migration_code");
     }
 
     const int requestTimeoutMsecs = 12 * 1000; // 12 secs

client/core/api/apiUtils.cpp

@@ -3,6 +3,24 @@
 #include <QDateTime>
 #include <QJsonObject>
 
+namespace
+{
+    const QByteArray AMNEZIA_CONFIG_SIGNATURE = QByteArray::fromHex("000000ff");
+
+    QString escapeUnicode(const QString &input)
+    {
+        QString output;
+        for (QChar c : input) {
+            if (c.unicode() < 0x20 || c.unicode() > 0x7E) {
+                output += QString("\\u%1").arg(QString::number(c.unicode(), 16).rightJustified(4, '0'));
+            } else {
+                output += c;
+            }
+        }
+        return output;
+    }
+}
+
 bool apiUtils::isSubscriptionExpired(const QString &subscriptionEndDate)
 {
     QDateTime now = QDateTime::currentDateTime();
@@ -27,22 +45,28 @@ apiDefs::ConfigType apiUtils::getConfigType(const QJsonObject &serverConfigObjec
     case apiDefs::ConfigSource::Telegram: {
     };
     case apiDefs::ConfigSource::AmneziaGateway: {
-        constexpr QLatin1String stackPremium("prem");
-        constexpr QLatin1String stackFree("free");
-
         constexpr QLatin1String servicePremium("amnezia-premium");
         constexpr QLatin1String serviceFree("amnezia-free");
         constexpr QLatin1String serviceExternalPremium("external-premium");
 
+        constexpr QLatin1String freeV2Endpoint(FREE_V2_ENDPOINT);
+        constexpr QLatin1String premiumV1Endpoint(PREM_V1_ENDPOINT);
+
         auto apiConfigObject = serverConfigObject.value(apiDefs::key::apiConfig).toObject();
         auto serviceType = apiConfigObject.value(apiDefs::key::serviceType).toString();
 
+        auto apiEndpoint = serverConfigObject.value(apiDefs::key::apiEndpoint).toString();
+
         if (serviceType == servicePremium) {
             return apiDefs::ConfigType::AmneziaPremiumV2;
         } else if (serviceType == serviceFree) {
             return apiDefs::ConfigType::AmneziaFreeV3;
         } else if (serviceType == serviceExternalPremium) {
             return apiDefs::ConfigType::ExternalPremium;
+        } else if (apiEndpoint.contains(premiumV1Endpoint)) {
+            return apiDefs::ConfigType::AmneziaPremiumV1;
+        } else if (apiEndpoint.contains(freeV2Endpoint)) {
+            return apiDefs::ConfigType::AmneziaFreeV2;
         }
     }
     default: {
@@ -95,3 +119,41 @@ bool apiUtils::isPremiumServer(const QJsonObject &serverConfigObject)
                                                             apiDefs::ConfigType::ExternalPremium };
     return premiumTypes.contains(getConfigType(serverConfigObject));
 }
+
+QString apiUtils::getPremiumV1VpnKey(const QJsonObject &serverConfigObject)
+{
+    if (apiUtils::getConfigType(serverConfigObject) != apiDefs::ConfigType::AmneziaPremiumV1) {
+        return {};
+    }
+
+    QList<QPair<QString, QVariant>> orderedFields;
+    orderedFields.append(qMakePair(apiDefs::key::name, serverConfigObject[apiDefs::key::name].toString()));
+    orderedFields.append(qMakePair(apiDefs::key::description, serverConfigObject[apiDefs::key::description].toString()));
+    orderedFields.append(qMakePair(apiDefs::key::configVersion, serverConfigObject[apiDefs::key::configVersion].toDouble()));
+    orderedFields.append(qMakePair(apiDefs::key::protocol, serverConfigObject[apiDefs::key::protocol].toString()));
+    orderedFields.append(qMakePair(apiDefs::key::apiEndpoint, serverConfigObject[apiDefs::key::apiEndpoint].toString()));
+    orderedFields.append(qMakePair(apiDefs::key::apiKey, serverConfigObject[apiDefs::key::apiKey].toString()));
+
+    QString vpnKeyStr = "{";
+    for (int i = 0; i < orderedFields.size(); ++i) {
+        const auto &pair = orderedFields[i];
+        if (pair.second.typeId() == QMetaType::Type::QString) {
+            vpnKeyStr += "\"" + pair.first + "\": \"" + pair.second.toString() + "\"";
+        } else if (pair.second.typeId() == QMetaType::Type::Double || pair.second.typeId() == QMetaType::Type::Int) {
+            vpnKeyStr += "\"" + pair.first + "\": " + QString::number(pair.second.toDouble(), 'f', 1);
+        }
+
+        if (i < orderedFields.size() - 1) {
+            vpnKeyStr += ", ";
+        }
+    }
+    vpnKeyStr += "}";
+
+    QByteArray vpnKeyCompressed = escapeUnicode(vpnKeyStr).toUtf8();
+    vpnKeyCompressed = qCompress(vpnKeyCompressed, 6);
+    vpnKeyCompressed = vpnKeyCompressed.mid(4);
+
+    QByteArray signedData = AMNEZIA_CONFIG_SIGNATURE + vpnKeyCompressed;
+
+    return QString("vpn://%1").arg(QString(signedData.toBase64(QByteArray::Base64UrlEncoding)));
+}

client/core/api/apiUtils.h

@@ -19,6 +19,8 @@ namespace apiUtils
     apiDefs::ConfigSource getConfigSource(const QJsonObject &serverConfigObject);
 
     amnezia::ErrorCode checkNetworkReplyErrors(const QList<QSslError> &sslErrors, QNetworkReply *reply);
+
+    QString getPremiumV1VpnKey(const QJsonObject &serverConfigObject);
 }
 
 #endif // APIUTILS_H

client/core/controllers/coreController.cpp

@@ -148,6 +148,9 @@ void CoreController::initControllers()
 
     m_apiConfigsController.reset(new ApiConfigsController(m_serversModel, m_apiServicesModel, m_settings));
     m_engine->rootContext()->setContextProperty("ApiConfigsController", m_apiConfigsController.get());
+
+    m_apiPremV1MigrationController.reset(new ApiPremV1MigrationController(m_serversModel, m_settings, this));
+    m_engine->rootContext()->setContextProperty("ApiPremV1MigrationController", m_apiPremV1MigrationController.get());
 }
 
 void CoreController::initAndroidController()
@@ -220,6 +223,8 @@ void CoreController::initSignalHandlers()
     initAutoConnectHandler();
     initAmneziaDnsToggledHandler();
     initPrepareConfigHandler();
+    initImportPremiumV2VpnKeyHandler();
+    initShowMigrationDrawerHandler();
     initStrictKillSwitchHandler();
 }
 
@@ -363,10 +368,29 @@ void CoreController::initPrepareConfigHandler()
     });
 }
 
+void CoreController::initImportPremiumV2VpnKeyHandler()
+{
+    connect(m_apiPremV1MigrationController.get(), &ApiPremV1MigrationController::importPremiumV2VpnKey, this, [this](const QString &vpnKey) {
+        m_importController->extractConfigFromData(vpnKey);
+        m_importController->importConfig();
+
+        emit m_apiPremV1MigrationController->migrationFinished();
+    });
+}
+
+void CoreController::initShowMigrationDrawerHandler()
+{
+    QTimer::singleShot(1000, this, [this]() {
+        if (m_apiPremV1MigrationController->isPremV1MigrationReminderActive() && m_apiPremV1MigrationController->hasConfigsToMigration()) {
+            m_apiPremV1MigrationController->showMigrationDrawer();
+        }
+    });
+}
+
 void CoreController::initStrictKillSwitchHandler()
 {
-    connect(m_settingsController.get(), &SettingsController::strictKillSwitchEnabledChanged, 
+    connect(m_settingsController.get(), &SettingsController::strictKillSwitchEnabledChanged, m_vpnConnection.get(),
-            m_vpnConnection.get(), &VpnConnection::onKillSwitchModeChanged);
+            &VpnConnection::onKillSwitchModeChanged);
 }
 
 QSharedPointer<PageController> CoreController::pageController() const

client/core/controllers/coreController.h

@@ -7,6 +7,7 @@
 
 #include "ui/controllers/api/apiConfigsController.h"
 #include "ui/controllers/api/apiSettingsController.h"
+#include "ui/controllers/api/apiPremV1MigrationController.h"
 #include "ui/controllers/appSplitTunnelingController.h"
 #include "ui/controllers/allowedDnsController.h"
 #include "ui/controllers/connectionController.h"
@@ -82,6 +83,8 @@ private:
     void initAutoConnectHandler();
     void initAmneziaDnsToggledHandler();
     void initPrepareConfigHandler();
+    void initImportPremiumV2VpnKeyHandler();
+    void initShowMigrationDrawerHandler();
     void initStrictKillSwitchHandler();
 
     QQmlApplicationEngine *m_engine {}; // TODO use parent child system here?
@@ -109,6 +112,7 @@ private:
 
     QScopedPointer<ApiSettingsController> m_apiSettingsController;
     QScopedPointer<ApiConfigsController> m_apiConfigsController;
+    QScopedPointer<ApiPremV1MigrationController> m_apiPremV1MigrationController;
 
     QSharedPointer<ContainersModel> m_containersModel;
     QSharedPointer<ContainersModel> m_defaultServerContainersModel;

client/core/defs.h

@@ -117,6 +117,7 @@ namespace amnezia
         ApiServicesMissingError = 1107,
         ApiConfigLimitError = 1108,
         ApiNotFoundError = 1109,
+        ApiMigrationError = 1110,
 
         // QFile errors
         OpenError = 1200,

client/core/errorstrings.cpp

@@ -74,6 +74,7 @@ QString errorString(ErrorCode code) {
     case (ErrorCode::ApiServicesMissingError): errorMessage = QObject::tr("Missing list of available services"); break;
     case (ErrorCode::ApiConfigLimitError): errorMessage = QObject::tr("The limit of allowed configurations per subscription has been exceeded"); break;
     case (ErrorCode::ApiNotFoundError): errorMessage = QObject::tr("Error when retrieving configuration from API"); break;
+    case (ErrorCode::ApiMigrationError): errorMessage = QObject::tr("A migration error occurred. Please contact our technical support"); break;
 
     // QFile errors
     case(ErrorCode::OpenError): errorMessage = QObject::tr("QFile error: The file could not be opened"); break;

client/resources.qrc

@@ -236,6 +236,9 @@
         <file>ui/qml/Pages2/PageSettingsApiNativeConfigs.qml</file>
         <file>ui/qml/Pages2/PageSettingsApiDevices.qml</file>
         <file>images/controls/monitor.svg</file>
+        <file>ui/qml/Components/ApiPremV1MigrationDrawer.qml</file>
+        <file>ui/qml/Components/ApiPremV1SubListDrawer.qml</file>
+        <file>ui/qml/Components/OtpCodeDrawer.qml</file>
     </qresource>
     <qresource prefix="/countriesFlags">
         <file>images/flagKit/ZW.svg</file>

client/settings.cpp

@@ -559,6 +559,16 @@ void Settings::disableHomeAdLabel()
     setValue("Conf/homeAdLabelVisible", false);
 }
 
+bool Settings::isPremV1MigrationReminderActive()
+{
+    return value("Conf/premV1MigrationReminderActive", true).toBool();
+}
+
+void Settings::disablePremV1MigrationReminder()
+{
+    setValue("Conf/premV1MigrationReminderActive", false);
+}
+
 QStringList Settings::allowedDnsServers() const
 {
     return value("Conf/allowedDnsServers").toStringList();

client/settings.h

@@ -229,6 +229,9 @@ public:
     bool isHomeAdLabelVisible();
     void disableHomeAdLabel();
 
+    bool isPremV1MigrationReminderActive();
+    void disablePremV1MigrationReminder();
+    
     QStringList allowedDnsServers() const;
     void setAllowedDnsServers(const QStringList &servers);
 

client/ui/controllers/api/apiPremV1MigrationController.cpp

@@ -0,0 +1,127 @@
+#include "apiPremV1MigrationController.h"
+
+#include <QEventLoop>
+#include <QTimer>
+
+#include "core/api/apiDefs.h"
+#include "core/api/apiUtils.h"
+#include "core/controllers/gatewayController.h"
+
+ApiPremV1MigrationController::ApiPremV1MigrationController(const QSharedPointer<ServersModel> &serversModel,
+                                                           const std::shared_ptr<Settings> &settings, QObject *parent)
+    : QObject(parent), m_serversModel(serversModel), m_settings(settings)
+{
+}
+
+bool ApiPremV1MigrationController::hasConfigsToMigration()
+{
+    QJsonArray vpnKeys;
+
+    auto serversCount = m_serversModel->getServersCount();
+    for (size_t i = 0; i < serversCount; i++) {
+        auto serverConfigObject = m_serversModel->getServerConfig(i);
+
+        if (apiUtils::getConfigType(serverConfigObject) != apiDefs::ConfigType::AmneziaPremiumV1) {
+            continue;
+        }
+
+        QString vpnKey = apiUtils::getPremiumV1VpnKey(serverConfigObject);
+        vpnKeys.append(vpnKey);
+    }
+
+    GatewayController gatewayController(m_settings->getGatewayEndpoint(), m_settings->isDevGatewayEnv(), apiDefs::requestTimeoutMsecs);
+    QJsonObject apiPayload;
+
+    apiPayload["configs"] = vpnKeys;
+    QByteArray responseBody;
+    ErrorCode errorCode = gatewayController.post(QString("%1v1/prem-v1/is-active-subscription"), apiPayload, responseBody);
+
+    auto migrationsStatus = QJsonDocument::fromJson(responseBody).object();
+    for (const auto &migrationStatus : migrationsStatus) {
+        if (migrationStatus == "not_found") {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+void ApiPremV1MigrationController::getSubscriptionList(const QString &email)
+{
+    GatewayController gatewayController(m_settings->getGatewayEndpoint(), m_settings->isDevGatewayEnv(), apiDefs::requestTimeoutMsecs);
+    QJsonObject apiPayload;
+
+    apiPayload[apiDefs::key::email] = email;
+    QByteArray responseBody;
+    ErrorCode errorCode = gatewayController.post(QString("%1v1/prem-v1/subscription-list"), apiPayload, responseBody);
+
+    if (errorCode == ErrorCode::NoError) {
+        m_email = email;
+        m_subscriptionsModel = QJsonDocument::fromJson(responseBody).array();
+        if (m_subscriptionsModel.isEmpty()) {
+            emit noSubscriptionToMigrate();
+            return;
+        }
+
+        emit subscriptionsModelChanged();
+    } else {
+        emit errorOccurred(ErrorCode::ApiMigrationError);
+    }
+}
+
+QJsonArray ApiPremV1MigrationController::getSubscriptionModel()
+{
+    return m_subscriptionsModel;
+}
+
+void ApiPremV1MigrationController::sendMigrationCode(const int subscriptionIndex)
+{
+    QEventLoop wait;
+    QTimer::singleShot(1000, &wait, &QEventLoop::quit);
+    wait.exec();
+
+    GatewayController gatewayController(m_settings->getGatewayEndpoint(), m_settings->isDevGatewayEnv(), apiDefs::requestTimeoutMsecs);
+    QJsonObject apiPayload;
+
+    apiPayload[apiDefs::key::email] = m_email;
+    QByteArray responseBody;
+    ErrorCode errorCode = gatewayController.post(QString("%1v1/prem-v1/migration-code"), apiPayload, responseBody);
+
+    if (errorCode == ErrorCode::NoError) {
+        m_subscriptionIndex = subscriptionIndex;
+        emit otpSuccessfullySent();
+    } else {
+        emit errorOccurred(ErrorCode::ApiMigrationError);
+    }
+}
+
+void ApiPremV1MigrationController::migrate(const QString &migrationCode)
+{
+    GatewayController gatewayController(m_settings->getGatewayEndpoint(), m_settings->isDevGatewayEnv(), apiDefs::requestTimeoutMsecs);
+    QJsonObject apiPayload;
+
+    apiPayload[apiDefs::key::email] = m_email;
+    apiPayload[apiDefs::key::orderId] = m_subscriptionsModel.at(m_subscriptionIndex).toObject().value(apiDefs::key::id).toString();
+    apiPayload[apiDefs::key::migrationCode] = migrationCode;
+    QByteArray responseBody;
+    ErrorCode errorCode = gatewayController.post(QString("%1v1/prem-v1/migrate"), apiPayload, responseBody);
+
+    if (errorCode == ErrorCode::NoError) {
+        auto responseObject = QJsonDocument::fromJson(responseBody).object();
+        QString premiumV2VpnKey = responseObject.value(apiDefs::key::config).toString();
+
+        emit importPremiumV2VpnKey(premiumV2VpnKey);
+    } else {
+        emit errorOccurred(ErrorCode::ApiMigrationError);
+    }
+}
+
+bool ApiPremV1MigrationController::isPremV1MigrationReminderActive()
+{
+    return m_settings->isPremV1MigrationReminderActive();
+}
+
+void ApiPremV1MigrationController::disablePremV1MigrationReminder()
+{
+    m_settings->disablePremV1MigrationReminder();
+}

client/ui/controllers/api/apiPremV1MigrationController.h

@@ -0,0 +1,50 @@
+#ifndef APIPREMV1MIGRATIONCONTROLLER_H
+#define APIPREMV1MIGRATIONCONTROLLER_H
+
+#include <QObject>
+
+#include "ui/models/servers_model.h"
+
+class ApiPremV1MigrationController : public QObject
+{
+    Q_OBJECT
+public:
+    ApiPremV1MigrationController(const QSharedPointer<ServersModel> &serversModel, const std::shared_ptr<Settings> &settings,
+                                 QObject *parent = nullptr);
+
+    Q_PROPERTY(QJsonArray subscriptionsModel READ getSubscriptionModel NOTIFY subscriptionsModelChanged)
+
+public slots:
+    bool hasConfigsToMigration();
+    void getSubscriptionList(const QString &email);
+    QJsonArray getSubscriptionModel();
+    void sendMigrationCode(const int subscriptionIndex);
+    void migrate(const QString &migrationCode);
+
+    bool isPremV1MigrationReminderActive();
+    void disablePremV1MigrationReminder();
+
+signals:
+    void subscriptionsModelChanged();
+
+    void otpSuccessfullySent();
+
+    void importPremiumV2VpnKey(const QString &vpnKey);
+
+    void errorOccurred(ErrorCode errorCode);
+
+    void showMigrationDrawer();
+    void migrationFinished();
+
+    void noSubscriptionToMigrate();
+
+private:
+    QSharedPointer<ServersModel> m_serversModel;
+    std::shared_ptr<Settings> m_settings;
+
+    QJsonArray m_subscriptionsModel;
+    int m_subscriptionIndex;
+    QString m_email;
+};
+
+#endif // APIPREMV1MIGRATIONCONTROLLER_H

client/ui/models/servers_model.cpp

@@ -348,6 +348,25 @@ void ServersModel::removeServer()
     endResetModel();
 }
 
+void ServersModel::removeServer(const int serverIndex)
+{
+    beginResetModel();
+    m_settings->removeServer(serverIndex);
+    m_servers = m_settings->serversArray();
+
+    if (m_settings->defaultServerIndex() == serverIndex) {
+        setDefaultServerIndex(0);
+    } else if (m_settings->defaultServerIndex() > serverIndex) {
+        setDefaultServerIndex(m_settings->defaultServerIndex() - 1);
+    }
+
+    if (m_settings->serversCount() == 0) {
+        setDefaultServerIndex(-1);
+    }
+    setProcessedServerIndex(m_defaultServerIndex);
+    endResetModel();
+}
+
 QHash<int, QByteArray> ServersModel::roleNames() const
 {
     QHash<int, QByteArray> roles;

client/ui/models/servers_model.h

@@ -90,6 +90,7 @@ public slots:
     void addServer(const QJsonObject &server);
     void editServer(const QJsonObject &server, const int serverIndex);
     void removeServer();
+    void removeServer(const int serverIndex);
 
     QJsonObject getServerConfig(const int serverIndex);
 

client/ui/qml/Components/ApiPremV1MigrationDrawer.qml

@@ -0,0 +1,194 @@
+pragma ComponentBehavior: Bound
+
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+
+import QtCore
+
+import PageEnum 1.0
+import Style 1.0
+
+import "./"
+import "../Controls2"
+import "../Controls2/TextTypes"
+import "../Config"
+import "../Components"
+
+DrawerType2 {
+    id: root
+
+    expandedHeight: parent.height * 0.9
+
+    Connections {
+        target: ApiPremV1MigrationController
+
+        function onErrorOccurred(error, goToPageHome) {
+            PageController.showErrorMessage(error)
+            root.closeTriggered()
+        }
+    }
+
+    expandedStateContent: Item {
+        implicitHeight: root.expandedHeight
+
+        ListViewType {
+            id: listView
+
+            anchors.fill: parent
+
+            model: 1 // fake model to force the ListView to be created without a model
+            snapMode: ListView.NoSnap
+
+            header: ColumnLayout {
+                width: listView.width
+
+                Header2Type {
+                    id: header
+                    Layout.fillWidth: true
+                    Layout.topMargin: 20
+                    Layout.leftMargin: 16
+                    Layout.rightMargin: 16
+
+                    headerText: qsTr("Switch to the new Amnezia Premium subscription")
+                }
+            }
+
+            delegate: ColumnLayout {
+                width: listView.width
+
+                anchors.left: parent.left
+                anchors.right: parent.right
+                anchors.leftMargin: 16
+                anchors.rightMargin: 16
+
+                ParagraphTextType {
+                    Layout.fillWidth: true
+                    Layout.topMargin: 24
+                    Layout.bottomMargin: 24
+
+                    horizontalAlignment: Text.AlignLeft
+                    textFormat: Text.RichText
+                    text: {
+                        var str = qsTr("We'll preserve all remaining days of your current subscription and give you an extra month as a thank you. ")
+                        str += qsTr("This new subscription type will be actively developed with more locations and features added regularly. Currently available:")
+                        str += "<ul style='margin-left: -16px;'>"
+                        str += qsTr("<li>9 locations (with more coming soon)</li>")
+                        str += qsTr("<li>Easier switching between countries in the app</li>")
+                        str += qsTr("<li>Personal dashboard to manage your subscription</li>")
+                        str += "</ul>"
+                        str += qsTr("Old keys will be deactivated after switching.")
+                    }
+                }
+
+                TextFieldWithHeaderType {
+                    id: emailLabel
+                    Layout.fillWidth: true
+
+                    borderColor: AmneziaStyle.color.mutedGray
+                    headerTextColor: AmneziaStyle.color.paleGray
+
+                    headerText: qsTr("Email")
+                    textField.placeholderText: qsTr("mail@example.com")
+
+
+                    textField.onFocusChanged: {
+                        textField.text = textField.text.replace(/^\s+|\s+$/g, '')
+                    }
+
+                    Connections {
+                        target: ApiPremV1MigrationController
+
+                        function onNoSubscriptionToMigrate() {
+                            emailLabel.errorText = qsTr("No old format subscriptions for a given email")
+                        }
+                    }
+                }
+
+                CaptionTextType {
+                    Layout.fillWidth: true
+                    Layout.topMargin: 16
+
+                    color: AmneziaStyle.color.mutedGray
+
+                    text: qsTr("Enter the email you used for your current subscription")
+                }
+
+                ApiPremV1SubListDrawer {
+                    id: apiPremV1SubListDrawer
+                    parent: root
+
+                    anchors.fill: parent
+                }
+
+                OtpCodeDrawer {
+                    id: otpCodeDrawer
+                    parent: root
+
+                    anchors.fill: parent
+                }
+
+                BasicButtonType {
+                    id: yesButton
+                    Layout.fillWidth: true
+                    Layout.topMargin: 32
+
+                    text: qsTr("Continue")
+
+                    clickedFunc: function() {
+                        PageController.showBusyIndicator(true)
+                        ApiPremV1MigrationController.getSubscriptionList(emailLabel.textField.text)
+                        PageController.showBusyIndicator(false)
+                    }
+                }
+
+                BasicButtonType {
+                    id: noButton
+                    Layout.fillWidth: true
+
+                    defaultColor: AmneziaStyle.color.transparent
+                    hoveredColor: AmneziaStyle.color.translucentWhite
+                    pressedColor: AmneziaStyle.color.sheerWhite
+                    disabledColor: AmneziaStyle.color.mutedGray
+                    textColor: AmneziaStyle.color.paleGray
+                    borderWidth: 1
+
+                    text: qsTr("Remind me later")
+
+                    clickedFunc: function() {
+                        root.closeTriggered()
+                    }
+                }
+
+                BasicButtonType {
+                    Layout.alignment: Qt.AlignHCenter
+                    Layout.topMargin: 32
+                    Layout.bottomMargin: 32
+                    implicitHeight: 32
+
+                    defaultColor: "transparent"
+                    hoveredColor: AmneziaStyle.color.translucentWhite
+                    pressedColor: AmneziaStyle.color.sheerWhite
+                    textColor: AmneziaStyle.color.vibrantRed
+
+                    text: qsTr("Don't remind me again")
+
+                    clickedFunc: function() {
+                        var headerText = qsTr("No more reminders? You can always switch to the new format in the server settings")
+                        var yesButtonText = qsTr("Continue")
+                        var noButtonText = qsTr("Cancel")
+
+                        var yesButtonFunction = function() {
+                            ApiPremV1MigrationController.disablePremV1MigrationReminder()
+                            root.closeTriggered()
+                        }
+                        var noButtonFunction = function() {
+                        }
+
+                        showQuestionDrawer(headerText, "", yesButtonText, noButtonText, yesButtonFunction, noButtonFunction)
+                    }
+                }
+            }
+        }
+    }
+}

client/ui/qml/Components/ApiPremV1SubListDrawer.qml

@@ -0,0 +1,89 @@
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+
+import Style 1.0
+
+import "../Controls2"
+import "../Controls2/TextTypes"
+import "../Config"
+
+DrawerType2 {
+    id: root
+
+    Connections {
+        target: ApiPremV1MigrationController
+
+        function onSubscriptionsModelChanged() {
+            if (ApiPremV1MigrationController.subscriptionsModel.length > 1) {
+                root.openTriggered()
+            } else {
+                sendMigrationCode(0)
+            }
+        }
+    }
+
+    function sendMigrationCode(index) {
+        PageController.showBusyIndicator(true)
+        ApiPremV1MigrationController.sendMigrationCode(index)
+        root.closeTriggered()
+        PageController.showBusyIndicator(false)
+    }
+
+    expandedHeight: parent.height * 0.9
+
+    expandedStateContent: Item {
+        implicitHeight: root.expandedHeight
+
+        ListViewType {
+            id: listView
+
+            anchors.fill: parent
+
+            model: ApiPremV1MigrationController.subscriptionsModel
+
+            header: ColumnLayout {
+                width: listView.width
+
+                Header2Type {
+                    id: header
+                    Layout.fillWidth: true
+                    Layout.topMargin: 20
+                    Layout.leftMargin: 16
+                    Layout.rightMargin: 16
+
+                    headerText: qsTr("Choose Subscription")
+                }
+            }
+
+            delegate: Item {
+                implicitWidth: listView.width
+                implicitHeight: delegateContent.implicitHeight
+
+                ColumnLayout {
+                    id: delegateContent
+
+                    anchors.top: parent.top
+                    anchors.left: parent.left
+                    anchors.right: parent.right
+
+                    LabelWithButtonType {
+                        id: server
+                        Layout.fillWidth: true
+
+                        text: qsTr("Order ID: ") + modelData.id
+
+                        descriptionText: qsTr("Purchase Date: ") +  Qt.formatDateTime(new Date(modelData.created_at), "dd.MM.yyyy hh:mm")
+                        rightImageSource: "qrc:/images/controls/chevron-right.svg"
+
+                        clickedFunction: function() {
+                            sendMigrationCode(index)
+                        }
+                    }
+
+                    DividerType {}
+                }
+            }
+        }
+    }
+}

client/ui/qml/Components/OtpCodeDrawer.qml

@@ -0,0 +1,77 @@
+pragma ComponentBehavior: Bound
+
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+
+import Style 1.0
+
+import "../Controls2"
+import "../Controls2/TextTypes"
+
+import "../Config"
+
+DrawerType2 {
+    id: root
+
+    Connections {
+        target: ApiPremV1MigrationController
+
+        function onOtpSuccessfullySent() {
+            root.openTriggered()
+        }
+    }
+
+    expandedHeight: parent.height * 0.6
+
+    expandedStateContent: Item {
+        implicitHeight: root.expandedHeight
+
+        ColumnLayout {
+
+            anchors.top: parent.top
+            anchors.left: parent.left
+            anchors.right: parent.right
+            anchors.leftMargin: 16
+            anchors.rightMargin: 16
+            spacing: 0
+
+            Header2Type {
+                id: header
+                Layout.fillWidth: true
+                Layout.topMargin: 20
+
+                headerText: qsTr("OTP code was sent to your email")
+            }
+
+            TextFieldWithHeaderType {
+                id: otpFiled
+
+                borderColor: AmneziaStyle.color.mutedGray
+                headerTextColor: AmneziaStyle.color.paleGray
+
+                Layout.fillWidth: true
+                Layout.topMargin: 16
+                headerText: qsTr("OTP Code")
+                textField.maximumLength: 30
+                checkEmptyText: true
+            }
+
+            BasicButtonType {
+                id: saveButton
+
+                Layout.fillWidth: true
+                Layout.topMargin: 16
+
+                text: qsTr("Continue")
+
+                clickedFunc: function() {
+                    PageController.showBusyIndicator(true)
+                    ApiPremV1MigrationController.migrate(otpFiled.textField.text)
+                    PageController.showBusyIndicator(false)
+                    root.closeTriggered()
+                }
+            }
+        }
+    }
+}

client/ui/qml/Components/QuestionDrawer.qml

@@ -1,3 +1,5 @@
+pragma ComponentBehavior: Bound
+
 import QtQuick
 import QtQuick.Controls
 import QtQuick.Layouts
@@ -39,7 +41,7 @@ DrawerType2 {
             Layout.rightMargin: 16
             Layout.leftMargin: 16
 
-            text: headerText
+            text: root.headerText
         }
 
         ParagraphTextType {
@@ -48,7 +50,7 @@ DrawerType2 {
             Layout.rightMargin: 16
             Layout.leftMargin: 16
 
-            text: descriptionText
+            text: root.descriptionText
         }
 
         BasicButtonType {
@@ -58,11 +60,11 @@ DrawerType2 {
             Layout.rightMargin: 16
             Layout.leftMargin: 16
 
-            text: yesButtonText
+            text: root.yesButtonText
 
             clickedFunc: function() {
-                if (yesButtonFunction && typeof yesButtonFunction === "function") {
+                if (root.yesButtonFunction && typeof root.yesButtonFunction === "function") {
-                    yesButtonFunction()
+                    root.yesButtonFunction()
                 }
             }
         }
@@ -80,11 +82,13 @@ DrawerType2 {
             textColor: AmneziaStyle.color.paleGray
             borderWidth: 1
 
-            text: noButtonText
+            visible: root.noButtonText !== ""
+
+            text: root.noButtonText
 
             clickedFunc: function() {
-                if (noButtonFunction && typeof noButtonFunction === "function") {
+                if (root.noButtonFunction && typeof root.noButtonFunction === "function") {
-                    noButtonFunction()
+                    root.noButtonFunction()
                 }
             }
         }

client/ui/qml/Pages2/PageHome.qml

@@ -33,6 +33,31 @@ PageType {
         }
     }
 
+    Connections {
+
+        target: ApiPremV1MigrationController
+
+        function onMigrationFinished() {
+            apiPremV1MigrationDrawer.closeTriggered()
+
+            var headerText = qsTr("You've successfully switched to the new Amnezia Premium subscription!")
+            var descriptionText = qsTr("Old keys will no longer work. Please use your new subscription key to connect. \nThank you for staying with us!")
+            var yesButtonText = qsTr("Continue")
+            var noButtonText = ""
+
+            var yesButtonFunction = function() {
+            }
+            var noButtonFunction = function() {
+            }
+
+            showQuestionDrawer(headerText, descriptionText, yesButtonText, noButtonText, yesButtonFunction, noButtonFunction)
+        }
+
+        function onShowMigrationDrawer() {
+            apiPremV1MigrationDrawer.openTriggered()
+        }
+    }
+
     Item {
         objectName: "homeColumnItem"
 
@@ -429,4 +454,9 @@ PageType {
             }
         }
     }
+
+    ApiPremV1MigrationDrawer {
+        id: apiPremV1MigrationDrawer
+        anchors.fill: parent
+    }
 }

client/ui/qml/Pages2/PageSettingsServerData.qml

@@ -257,6 +257,24 @@ PageType {
             DividerType {
                 visible: ServersModel.getProcessedServerData("isServerFromTelegramApi")
             }
+
+            LabelWithButtonType {
+                id: labelWithButton6
+                visible: ServersModel.getProcessedServerData("isServerFromTelegramApi")
+                Layout.fillWidth: true
+
+                text: qsTr("Switch to the new Amnezia Premium subscription")
+                textColor: AmneziaStyle.color.vibrantRed
+
+                clickedFunction: function() {
+                    PageController.goToPageHome()
+                    ApiPremV1MigrationController.showMigrationDrawer()
+                }
+            }
+
+            DividerType {
+                visible: ServersModel.getProcessedServerData("isServerFromTelegramApi")
+            }
         }
     }
 }