harbour-fernschreiber/src/tdlibwrapper.cpp

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/*
Copyright (C) 2020 Sebastian J. Wolf
This file is part of Fernschreiber.
fernschreiber is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
fernschreiber is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fernschreiber. If not, see <http://www.gnu.org/licenses/>.
*/
#include "tdlibwrapper.h"
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#include "tdlibsecrets.h"
#include <QDir>
#include <QLocale>
#include <QSysInfo>
#include <QSettings>
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TDLibWrapper::TDLibWrapper(QObject *parent) : QObject(parent)
{
qDebug() << "[TDLibWrapper] Initializing TD Lib...";
this->tdLibClient = td_json_client_create();
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this->tdLibReceiver = new TDLibReceiver(this->tdLibClient, this);
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QString tdLibDatabaseDirectoryPath = QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/tdlib";
QDir tdLibDatabaseDirectory(tdLibDatabaseDirectoryPath);
if (!tdLibDatabaseDirectory.exists()) {
tdLibDatabaseDirectory.mkpath(tdLibDatabaseDirectoryPath);
}
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connect(this->tdLibReceiver, SIGNAL(versionDetected(QString)), this, SLOT(handleVersionDetected(QString)));
connect(this->tdLibReceiver, SIGNAL(authorizationStateChanged(QString)), this, SLOT(handleAuthorizationStateChanged(QString)));
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connect(this->tdLibReceiver, SIGNAL(optionUpdated(QString, QVariant)), this, SLOT(handleOptionUpdated(QString, QVariant)));
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connect(this->tdLibReceiver, SIGNAL(connectionStateChanged(QString)), this, SLOT(handleConnectionStateChanged(QString)));
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this->tdLibReceiver->start();
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}
TDLibWrapper::~TDLibWrapper()
{
qDebug() << "[TDLibWrapper] Destroying TD Lib...";
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this->tdLibReceiver->setActive(false);
while (this->tdLibReceiver->isRunning()) {
QCoreApplication::processEvents(QEventLoop::AllEvents, 1000);
}
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td_json_client_destroy(this->tdLibClient);
}
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void TDLibWrapper::sendRequest(const QVariantMap &requestObject)
{
qDebug() << "[TDLibWrapper] Sending request to TD Lib, object type name: " << requestObject.value("@type").toString();
QJsonDocument requestDocument = QJsonDocument::fromVariant(requestObject);
td_json_client_send(this->tdLibClient, requestDocument.toJson().constData());
}
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QString TDLibWrapper::getVersion()
{
return this->version;
}
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TDLibWrapper::AuthorizationState TDLibWrapper::getAuthorizationState()
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{
return this->authorizationState;
}
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TDLibWrapper::ConnectionState TDLibWrapper::getConnectionState()
{
return this->connectionState;
}
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void TDLibWrapper::handleVersionDetected(const QString &version)
{
this->version = version;
emit versionDetected(version);
}
void TDLibWrapper::handleAuthorizationStateChanged(const QString &authorizationState)
{
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if (authorizationState == "authorizationStateClosed") {
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this->authorizationState = AuthorizationState::Closed;
}
if (authorizationState == "authorizationStateClosing") {
this->authorizationState = AuthorizationState::Closing;
}
if (authorizationState == "authorizationStateLoggingOut") {
this->authorizationState = AuthorizationState::LoggingOut;
}
if (authorizationState == "authorizationStateReady") {
this->authorizationState = AuthorizationState::Ready;
}
if (authorizationState == "authorizationStateWaitCode") {
this->authorizationState = AuthorizationState::WaitCode;
}
if (authorizationState == "authorizationStateWaitEncryptionKey") {
this->setEncryptionKey();
this->authorizationState = AuthorizationState::WaitEncryptionKey;
}
if (authorizationState == "authorizationStateWaitOtherDeviceConfirmation") {
this->authorizationState = AuthorizationState::WaitOtherDeviceConfirmation;
}
if (authorizationState == "authorizationStateWaitPassword") {
this->authorizationState = AuthorizationState::WaitPassword;
}
if (authorizationState == "authorizationStateWaitPhoneNumber") {
this->authorizationState = AuthorizationState::WaitPhoneNumber;
}
if (authorizationState == "authorizationStateWaitRegistration") {
this->authorizationState = AuthorizationState::WaitRegistration;
}
if (authorizationState == "authorizationStateWaitTdlibParameters") {
this->setInitialParameters();
this->authorizationState = AuthorizationState::WaitTdlibParameters;
}
emit authorizationStateChanged(this->authorizationState);
}
void TDLibWrapper::handleOptionUpdated(const QString &optionName, const QVariant &optionValue)
{
this->options.insert(optionName, optionValue);
emit optionUpdated(optionName, optionValue);
}
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void TDLibWrapper::handleConnectionStateChanged(const QString &connectionState)
{
if (connectionState == "connectionStateConnecting") {
this->connectionState = ConnectionState::Connecting;
}
if (connectionState == "connectionStateConnectingToProxy") {
this->connectionState = ConnectionState::ConnectingToProxy;
}
if (connectionState == "connectionStateReady") {
this->connectionState = ConnectionState::IsReady;
}
if (connectionState == "connectionStateUpdating") {
this->connectionState = ConnectionState::Updating;
}
if (connectionState == "connectionStateWaitingForNetwork") {
this->connectionState = ConnectionState::WaitingForNetwork;
}
emit connectionStateChanged(this->connectionState);
}
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void TDLibWrapper::setInitialParameters()
{
qDebug() << "[TDLibWrapper] Sending initial parameters to TD Lib";
QVariantMap requestObject;
requestObject.insert("@type", "setTdlibParameters");
QVariantMap initialParameters;
initialParameters.insert("api_id", TDLIB_API_ID);
initialParameters.insert("api_hash", TDLIB_API_HASH);
initialParameters.insert("database_directory", QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/tdlib");
initialParameters.insert("use_message_database", true);
initialParameters.insert("use_secret_chats", false);
initialParameters.insert("system_language_code", QLocale::system().name());
QSettings hardwareSettings("/etc/hw-release", QSettings::NativeFormat);
initialParameters.insert("device_model", hardwareSettings.value("NAME", "Unknown Mobile Device").toString());
initialParameters.insert("system_version", QSysInfo::prettyProductName());
initialParameters.insert("application_version", "0.1");
requestObject.insert("parameters", initialParameters);
this->sendRequest(requestObject);
}
void TDLibWrapper::setEncryptionKey()
{
qDebug() << "[TDLibWrapper] Setting database encryption key";
QVariantMap requestObject;
requestObject.insert("@type", "checkDatabaseEncryptionKey");
// see https://github.com/tdlib/td/issues/188#issuecomment-379536139
requestObject.insert("encryption_key", "");
this->sendRequest(requestObject);
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}