Prepare two-step authentication

qml/pages/InitializationPage.qml

@@ -39,6 +39,12 @@ Page {
         if (initializationPage.authorizationState === TelegramAPI.WaitCode) {
             welcomeFlickable.visible = false;
             enterPinColumn.visible = true;
+            enterPasswordColumn.visible = false;
+        }
+        if (initializationPage.authorizationState === TelegramAPI.WaitPassword) {
+            welcomeFlickable.visible = false;
+            enterPinColumn.visible = false;
+            enterPasswordColumn.visible = true;
         }
     }
 
@@ -49,6 +55,12 @@ Page {
             case TelegramAPI.WaitCode:
                 initializationPage.loading = false;
                 enterPinColumn.visible = true;
+                enterPasswordColumn.visible = false;
+                break;
+            case TelegramAPI.WaitPassword:
+                initializationPage.loading = false;
+                enterPinColumn.visible = false;
+                enterPasswordColumn.visible = true;
                 break;
             case TelegramAPI.AuthorizationReady:
                 initializationPage.loading = false;
@@ -102,6 +114,58 @@ Page {
         }
     }
 
+    Column {
+        y: ( parent.height - ( fernschreiberPasswordImage.height + enterPasswordLabel.height + enterPasswordField.height + enterPasswordButton.height + ( 3 * Theme.paddingSmall ) ) ) / 2
+        width: parent.width
+        id: enterPasswordColumn
+        spacing: Theme.paddingSmall
+
+        Behavior on opacity { NumberAnimation {} }
+        opacity: visible ? true : false
+        visible: false
+
+        Image {
+            id: fernschreiberPasswordImage
+            source: "../../images/fernschreiber.png"
+            anchors {
+                horizontalCenter: parent.horizontalCenter
+            }
+
+            fillMode: Image.PreserveAspectFit
+            asynchronous: true
+            width: 1/2 * parent.width
+        }
+
+        InfoLabel {
+            id: enterPasswordLabel
+            font.pixelSize: Theme.fontSizeLarge
+            text: qsTr("Please enter your password:")
+        }
+
+        TextField {
+            id: enterPasswordField
+            anchors {
+                horizontalCenter: parent.horizontalCenter
+            }
+            font.pixelSize: Theme.fontSizeLarge
+            width: parent.width - 2 * Theme.horizontalPageMargin
+            horizontalAlignment: TextInput.AlignHCenter
+        }
+
+        Button {
+            id: enterPasswordButton
+            text: qsTr("OK")
+            anchors {
+                horizontalCenter: parent.horizontalCenter
+            }
+            onClicked: {
+                initializationPage.loading = true;
+                enterPasswordColumn.visible = false;
+                tdLibWrapper.setAuthenticationPassword(enterPasswordField.text);
+            }
+        }
+    }
+
     Column {
         y: ( parent.height - ( fernschreiberPinImage.height + enterPinLabel.height + enterPinField.height + enterPinButton.height + ( 3 * Theme.paddingSmall ) ) ) / 2
         width: parent.width

qml/pages/OverviewPage.qml

@@ -113,6 +113,10 @@ Page {
             overviewPage.loading = false;
             pageStack.push(Qt.resolvedUrl("../pages/InitializationPage.qml"));
             break;
+        case TelegramAPI.WaitPassword:
+            overviewPage.loading = false;
+            pageStack.push(Qt.resolvedUrl("../pages/InitializationPage.qml"));
+            break;
         case TelegramAPI.AuthorizationReady:
             overviewPage.loading = false;
             overviewPage.initializationCompleted = true;

src/tdlibwrapper.cpp

@@ -132,6 +132,15 @@ void TDLibWrapper::setAuthenticationCode(const QString &authenticationCode)
     this->sendRequest(requestObject);
 }
 
+void TDLibWrapper::setAuthenticationPassword(const QString &authenticationPassword)
+{
+    qDebug() << "[TDLibWrapper] Set authentication password " << authenticationPassword;
+    QVariantMap requestObject;
+    requestObject.insert("@type", "checkAuthenticationPassword");
+    requestObject.insert("password", authenticationPassword);
+    this->sendRequest(requestObject);
+}
+
 void TDLibWrapper::getChats()
 {
     qDebug() << "[TDLibWrapper] Getting chats";

src/tdlibwrapper.h

@@ -83,6 +83,7 @@ public:
     Q_INVOKABLE void sendRequest(const QVariantMap &requestObject);
     Q_INVOKABLE void setAuthenticationPhoneNumber(const QString &phoneNumber);
     Q_INVOKABLE void setAuthenticationCode(const QString &authenticationCode);
+    Q_INVOKABLE void setAuthenticationPassword(const QString &authenticationPassword);
     Q_INVOKABLE void getChats();
     Q_INVOKABLE void downloadFile(const QString &fileId);
     Q_INVOKABLE void openChat(const QString &chatId);