forked from blue/squawk
590 lines
22 KiB
C++
590 lines
22 KiB
C++
/*
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* Squawk messenger.
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* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <QtWidgets/QApplication>
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#include <QtCore/QDir>
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#include "networkaccess.h"
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Core::NetworkAccess::NetworkAccess(QObject* parent):
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QObject(parent),
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running(false),
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manager(0),
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storage("fileURLStorage"),
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downloads(),
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uploads(),
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currentPath()
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{
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QSettings settings;
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currentPath = settings.value("downloadsPath").toString();
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}
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Core::NetworkAccess::~NetworkAccess()
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{
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stop();
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}
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void Core::NetworkAccess::downladFile(const QString& url)
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{
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std::map<QString, Transfer*>::iterator itr = downloads.find(url);
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if (itr != downloads.end()) {
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qDebug() << "NetworkAccess received a request to download a file" << url << ", but the file is currently downloading, skipping";
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} else {
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try {
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std::pair<QString, std::list<Shared::MessageInfo>> p = storage.getPath(url);
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if (p.first.size() > 0) {
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QFileInfo info(p.first);
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if (info.exists() && info.isFile()) {
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emit downloadFileComplete(p.second, p.first);
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} else {
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startDownload(p.second, url);
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}
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} else {
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startDownload(p.second, url);
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}
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} catch (const Archive::NotFound& e) {
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qDebug() << "NetworkAccess received a request to download a file" << url << ", but there is now record of which message uses that file, downloading anyway";
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storage.addFile(url);
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startDownload(std::list<Shared::MessageInfo>(), url);
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} catch (const Archive::Unknown& e) {
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qDebug() << "Error requesting file path:" << e.what();
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emit loadFileError(std::list<Shared::MessageInfo>(), QString("Database error: ") + e.what(), false);
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}
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}
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}
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void Core::NetworkAccess::start()
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{
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if (!running) {
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manager = new QNetworkAccessManager();
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#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
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manager->setTransferTimeout();
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#endif
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storage.open();
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running = true;
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}
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}
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void Core::NetworkAccess::stop()
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{
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if (running) {
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storage.close();
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manager->deleteLater();
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manager = 0;
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running = false;
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for (std::map<QString, Transfer*>::const_iterator itr = downloads.begin(), end = downloads.end(); itr != end; ++itr) {
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itr->second->success = false;
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itr->second->reply->abort(); //assuming it's gonna call onRequestFinished slot
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}
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}
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}
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void Core::NetworkAccess::onDownloadProgress(qint64 bytesReceived, qint64 bytesTotal)
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{
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QNetworkReply* rpl = static_cast<QNetworkReply*>(sender());
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QString url = rpl->url().toString();
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std::map<QString, Transfer*>::const_iterator itr = downloads.find(url);
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if (itr == downloads.end()) {
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qDebug() << "an error downloading" << url << ": the request had some progress but seems like no one is waiting for it, skipping";
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} else {
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Transfer* dwn = itr->second;
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if (dwn->success) {
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qreal received = bytesReceived;
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qreal total = bytesTotal;
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qreal progress = received/total;
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dwn->progress = progress;
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emit loadFileProgress(dwn->messages, progress, false);
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}
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}
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}
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void Core::NetworkAccess::onDownloadError(QNetworkReply::NetworkError code)
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{
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qDebug() << "DEBUG: DOWNLOAD ERROR";
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QNetworkReply* rpl = static_cast<QNetworkReply*>(sender());
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qDebug() << rpl->errorString();
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QString url = rpl->url().toString();
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std::map<QString, Transfer*>::const_iterator itr = downloads.find(url);
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if (itr == downloads.end()) {
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qDebug() << "an error downloading" << url << ": the request is reporting an error but seems like no one is waiting for it, skipping";
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} else {
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QString errorText = getErrorText(code);
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//if (errorText.size() > 0) {
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itr->second->success = false;
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Transfer* dwn = itr->second;
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emit loadFileError(dwn->messages, errorText, false);
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//}
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}
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}
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void Core::NetworkAccess::onDownloadSSLError(const QList<QSslError>& errors)
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{
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qDebug() << "DEBUG: DOWNLOAD SSL ERRORS";
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for (const QSslError& err : errors) {
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qDebug() << err.errorString();
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}
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QNetworkReply* rpl = static_cast<QNetworkReply*>(sender());
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QString url = rpl->url().toString();
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std::map<QString, Transfer*>::const_iterator itr = downloads.find(url);
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if (itr == downloads.end()) {
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qDebug() << "an SSL error downloading" << url << ": the request is reporting an error but seems like no one is waiting for it, skipping";
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} else {
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//if (errorText.size() > 0) {
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itr->second->success = false;
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Transfer* dwn = itr->second;
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emit loadFileError(dwn->messages, "SSL errors occured", false);
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//}
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}
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}
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QString Core::NetworkAccess::getErrorText(QNetworkReply::NetworkError code)
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{
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QString errorText("");
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switch (code) {
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case QNetworkReply::NoError:
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//this never is supposed to happen
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break;
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// network layer errors [relating to the destination server] (1-99):
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case QNetworkReply::ConnectionRefusedError:
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errorText = "Connection refused";
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break;
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case QNetworkReply::RemoteHostClosedError:
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errorText = "Remote server closed the connection";
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break;
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case QNetworkReply::HostNotFoundError:
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errorText = "Remote host is not found";
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break;
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case QNetworkReply::TimeoutError:
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errorText = "Connection was closed because it timed out";
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break;
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case QNetworkReply::OperationCanceledError:
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//this means I closed it myself by abort() or close()
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//I don't call them directory, but this is the error code
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//Qt returns when it can not resume donwload after the network failure
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//or when the download is canceled by the timout;
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errorText = "Connection lost";
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break;
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case QNetworkReply::SslHandshakeFailedError:
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errorText = "Security error"; //TODO need to handle sslErrors signal to get a better description here
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break;
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case QNetworkReply::TemporaryNetworkFailureError:
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//this means the connection is lost by opened route, but it's going to be resumed, not sure I need to notify
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break;
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case QNetworkReply::NetworkSessionFailedError:
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errorText = "Outgoing connection problem";
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break;
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case QNetworkReply::BackgroundRequestNotAllowedError:
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errorText = "Background request is not allowed";
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break;
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case QNetworkReply::TooManyRedirectsError:
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errorText = "The request was redirected too many times";
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break;
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case QNetworkReply::InsecureRedirectError:
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errorText = "The request was redirected to insecure connection";
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break;
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case QNetworkReply::UnknownNetworkError:
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errorText = "Unknown network error";
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break;
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// proxy errors (101-199):
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case QNetworkReply::ProxyConnectionRefusedError:
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errorText = "The connection to the proxy server was refused";
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break;
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case QNetworkReply::ProxyConnectionClosedError:
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errorText = "Proxy server closed the connection";
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break;
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case QNetworkReply::ProxyNotFoundError:
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errorText = "Proxy host was not found";
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break;
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case QNetworkReply::ProxyTimeoutError:
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errorText = "Connection to the proxy server was closed because it timed out";
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break;
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case QNetworkReply::ProxyAuthenticationRequiredError:
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errorText = "Couldn't connect to proxy server, authentication is required";
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break;
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case QNetworkReply::UnknownProxyError:
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errorText = "Unknown proxy error";
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break;
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// content errors (201-299):
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case QNetworkReply::ContentAccessDenied:
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errorText = "The access to file is denied";
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break;
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case QNetworkReply::ContentOperationNotPermittedError:
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errorText = "The operation over requesting file is not permitted";
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break;
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case QNetworkReply::ContentNotFoundError:
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errorText = "The file was not found";
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break;
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case QNetworkReply::AuthenticationRequiredError:
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errorText = "Couldn't access the file, authentication is required";
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break;
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case QNetworkReply::ContentReSendError:
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errorText = "Sending error, one more attempt will probably solve this problem";
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break;
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case QNetworkReply::ContentConflictError:
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errorText = "The request could not be completed due to a conflict with the current state of the resource";
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break;
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case QNetworkReply::ContentGoneError:
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errorText = "The requested resource is no longer available at the server";
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break;
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case QNetworkReply::UnknownContentError:
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errorText = "Unknown content error";
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break;
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// protocol errors
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case QNetworkReply::ProtocolUnknownError:
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errorText = "Unknown protocol error";
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break;
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case QNetworkReply::ProtocolInvalidOperationError:
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errorText = "Requested operation is not permitted in this protocol";
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break;
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case QNetworkReply::ProtocolFailure:
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errorText = "Low level protocol error";
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break;
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// Server side errors (401-499)
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case QNetworkReply::InternalServerError:
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errorText = "Internal server error";
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break;
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case QNetworkReply::OperationNotImplementedError:
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errorText = "Server doesn't support requested operation";
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break;
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case QNetworkReply::ServiceUnavailableError:
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errorText = "The server is not available for this operation right now";
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break;
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case QNetworkReply::UnknownServerError:
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errorText = "Unknown server error";
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break;
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}
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return errorText;
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}
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void Core::NetworkAccess::onDownloadFinished()
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{
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qDebug() << "DEBUG: DOWNLOAD FINISHED";
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QNetworkReply* rpl = static_cast<QNetworkReply*>(sender());
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QString url = rpl->url().toString();
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std::map<QString, Transfer*>::const_iterator itr = downloads.find(url);
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if (itr == downloads.end()) {
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qDebug() << "an error downloading" << url << ": the request is done but there is no record of it being downloaded, ignoring";
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} else {
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Transfer* dwn = itr->second;
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if (dwn->success) {
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qDebug() << "download success for" << url;
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QString err;
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QStringList hops = url.split("/");
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QString fileName = hops.back();
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QString jid;
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if (dwn->messages.size() > 0) {
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jid = dwn->messages.front().jid;
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} else {
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qDebug() << "An attempt to save the file but it doesn't seem to belong to any message, download is definately going to be broken";
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}
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QString path = prepareDirectory(jid);
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if (path.size() > 0) {
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path = checkFileName(fileName, path);
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QFile file(Shared::resolvePath(path));
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if (file.open(QIODevice::WriteOnly)) {
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file.write(dwn->reply->readAll());
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file.close();
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storage.setPath(url, path);
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qDebug() << "file" << path << "was successfully downloaded";
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} else {
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qDebug() << "couldn't save file" << path;
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err = "Error opening file to write:" + file.errorString();
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}
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} else {
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err = "Couldn't prepare a directory for file";
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}
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if (path.size() > 0) {
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emit downloadFileComplete(dwn->messages, path);
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} else {
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emit loadFileError(dwn->messages, "Error saving file " + url + "; " + err, false);
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}
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}
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dwn->reply->deleteLater();
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delete dwn;
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downloads.erase(itr);
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}
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}
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void Core::NetworkAccess::startDownload(const std::list<Shared::MessageInfo>& msgs, const QString& url)
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{
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Transfer* dwn = new Transfer({msgs, 0, 0, true, "", url, 0});
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QNetworkRequest req(url);
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dwn->reply = manager->get(req);
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connect(dwn->reply, &QNetworkReply::downloadProgress, this, &NetworkAccess::onDownloadProgress);
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connect(dwn->reply, &QNetworkReply::sslErrors, this, &NetworkAccess::onDownloadSSLError);
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#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
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connect(dwn->reply, qOverload<QNetworkReply::NetworkError>(&QNetworkReply::errorOccurred), this, &NetworkAccess::onDownloadError);
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#else
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connect(dwn->reply, qOverload<QNetworkReply::NetworkError>(&QNetworkReply::error), this, &NetworkAccess::onDownloadError);
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#endif
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connect(dwn->reply, &QNetworkReply::finished, this, &NetworkAccess::onDownloadFinished);
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downloads.insert(std::make_pair(url, dwn));
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emit loadFileProgress(dwn->messages, 0, false);
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}
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void Core::NetworkAccess::onUploadError(QNetworkReply::NetworkError code)
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{
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QNetworkReply* rpl = static_cast<QNetworkReply*>(sender());
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QString url = rpl->url().toString();
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std::map<QString, Transfer*>::const_iterator itr = uploads.find(url);
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if (itr == uploads.end()) {
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qDebug() << "an error uploading" << url << ": the request is reporting an error but there is no record of it being uploading, ignoring";
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} else {
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QString errorText = getErrorText(code);
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//if (errorText.size() > 0) {
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itr->second->success = false;
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Transfer* upl = itr->second;
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emit loadFileError(upl->messages, errorText, true);
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//}
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//TODO deletion?
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}
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}
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void Core::NetworkAccess::onUploadFinished()
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{
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QNetworkReply* rpl = static_cast<QNetworkReply*>(sender());
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QString url = rpl->url().toString();
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std::map<QString, Transfer*>::const_iterator itr = uploads.find(url);
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if (itr == downloads.end()) {
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qDebug() << "an error uploading" << url << ": the request is done there is no record of it being uploading, ignoring";
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} else {
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Transfer* upl = itr->second;
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if (upl->success) {
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qDebug() << "upload success for" << url;
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// Copy file to Download folder if it is a temp file. See Conversation::onImagePasted.
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if (upl->path.startsWith(QDir::tempPath() + QDir::separator() + QStringLiteral("squawk_img_attach_")) && upl->path.endsWith(".png")) {
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QString err = "";
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QString downloadDirPath = prepareDirectory(upl->messages.front().jid);
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if (downloadDirPath.size() > 0) {
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QString newPath = downloadDirPath + QDir::separator() + upl->path.mid(QDir::tempPath().length() + 1);
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// Copy {TEMPDIR}/squawk_img_attach_XXXXXX.png to Download folder
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bool copyResult = QFile::copy(upl->path, Shared::resolvePath(newPath));
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if (copyResult) {
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// Change storage
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upl->path = newPath;
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} else {
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err = "copying to " + newPath + " failed";
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}
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} else {
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err = "Couldn't prepare a directory for file";
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}
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if (err.size() != 0) {
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qDebug() << "failed to copy temporary upload file " << upl->path << " to download folder:" << err;
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}
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}
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storage.addFile(upl->messages, upl->url, upl->path);
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emit uploadFileComplete(upl->messages, upl->url, upl->path);
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}
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upl->reply->deleteLater();
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upl->file->close();
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upl->file->deleteLater();
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delete upl;
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uploads.erase(itr);
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}
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}
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void Core::NetworkAccess::onUploadProgress(qint64 bytesReceived, qint64 bytesTotal)
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{
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QNetworkReply* rpl = static_cast<QNetworkReply*>(sender());
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QString url = rpl->url().toString();
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std::map<QString, Transfer*>::const_iterator itr = uploads.find(url);
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if (itr == uploads.end()) {
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qDebug() << "an error downloading" << url << ": the request had some progress but seems like no one is waiting for it, skipping";
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} else {
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Transfer* upl = itr->second;
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if (upl->success) {
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qreal received = bytesReceived;
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qreal total = bytesTotal;
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qreal progress = received/total;
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upl->progress = progress;
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emit loadFileProgress(upl->messages, progress, true);
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}
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}
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}
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QString Core::NetworkAccess::getFileRemoteUrl(const QString& path)
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{
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QString p = Shared::squawkifyPath(path);
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try {
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p = storage.getUrl(p);
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} catch (const Archive::NotFound& err) {
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p = "";
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} catch (...) {
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throw;
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}
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return p;
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}
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void Core::NetworkAccess::uploadFile(const Shared::MessageInfo& info, const QString& path, const QUrl& put, const QUrl& get, const QMap<QString, QString> headers)
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{
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QFile* file = new QFile(path);
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Transfer* upl = new Transfer({{info}, 0, 0, true, path, get.toString(), file});
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QNetworkRequest req(put);
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for (QMap<QString, QString>::const_iterator itr = headers.begin(), end = headers.end(); itr != end; itr++) {
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req.setRawHeader(itr.key().toUtf8(), itr.value().toUtf8());
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}
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if (file->open(QIODevice::ReadOnly)) {
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upl->reply = manager->put(req, file);
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connect(upl->reply, &QNetworkReply::uploadProgress, this, &NetworkAccess::onUploadProgress);
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#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
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connect(upl->reply, qOverload<QNetworkReply::NetworkError>(&QNetworkReply::errorOccurred), this, &NetworkAccess::onUploadError);
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#else
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connect(upl->reply, qOverload<QNetworkReply::NetworkError>(&QNetworkReply::error), this, &NetworkAccess::onUploadError);
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#endif
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connect(upl->reply, &QNetworkReply::finished, this, &NetworkAccess::onUploadFinished);
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uploads.insert(std::make_pair(put.toString(), upl));
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emit loadFileProgress(upl->messages, 0, true);
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} else {
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qDebug() << "couldn't upload file" << path;
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emit loadFileError(upl->messages, "Error opening file", true);
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delete file;
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delete upl;
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}
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}
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void Core::NetworkAccess::registerFile(const QString& url, const QString& account, const QString& jid, const QString& id)
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{
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storage.addFile(url, account, jid, id);
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std::map<QString, Transfer*>::iterator itr = downloads.find(url);
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if (itr != downloads.end()) {
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itr->second->messages.emplace_back(account, jid, id); //TODO notification is going to happen the next tick, is that okay?
|
|
}
|
|
}
|
|
|
|
void Core::NetworkAccess::registerFile(const QString& url, const QString& path, const QString& account, const QString& jid, const QString& id)
|
|
{
|
|
storage.addFile(url, path, account, jid, id);
|
|
}
|
|
|
|
bool Core::NetworkAccess::checkAndAddToUploading(const QString& acc, const QString& jid, const QString id, const QString path)
|
|
{
|
|
for (const std::pair<const QString, Transfer*>& pair : uploads) {
|
|
Transfer* info = pair.second;
|
|
if (pair.second->path == path) {
|
|
std::list<Shared::MessageInfo>& messages = info->messages;
|
|
bool dup = false;
|
|
for (const Shared::MessageInfo& info : messages) {
|
|
if (info.account == acc && info.jid == jid && info.messageId == id) {
|
|
dup = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!dup) {
|
|
info->messages.emplace_back(acc, jid, id); //TODO notification is going to happen the next tick, is that okay?
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
QString Core::NetworkAccess::prepareDirectory(const QString& jid)
|
|
{
|
|
QString path = currentPath;
|
|
QString addition;
|
|
if (jid.size() > 0) {
|
|
addition = jid;
|
|
path += QDir::separator() + jid;
|
|
}
|
|
|
|
QDir location(path);
|
|
|
|
if (!location.exists()) {
|
|
bool res = location.mkpath(path);
|
|
if (!res) {
|
|
return "";
|
|
} else {
|
|
return "squawk://" + addition;
|
|
}
|
|
}
|
|
return "squawk://" + addition;
|
|
}
|
|
|
|
QString Core::NetworkAccess::checkFileName(const QString& name, const QString& path)
|
|
{
|
|
QStringList parts = name.split(".");
|
|
QString suffix("");
|
|
QStringList::const_iterator sItr = parts.begin();
|
|
QString realName = *sItr;
|
|
++sItr;
|
|
for (QStringList::const_iterator sEnd = parts.end(); sItr != sEnd; ++sItr) {
|
|
suffix += "." + (*sItr);
|
|
}
|
|
QString postfix("");
|
|
QString resolvedPath = Shared::resolvePath(path);
|
|
QString count("");
|
|
QFileInfo proposedName(resolvedPath + QDir::separator() + realName + count + suffix);
|
|
|
|
int counter = 0;
|
|
while (proposedName.exists()) {
|
|
count = QString("(") + std::to_string(++counter).c_str() + ")";
|
|
proposedName = QFileInfo(resolvedPath + QDir::separator() + realName + count + suffix);
|
|
}
|
|
|
|
return path + QDir::separator() + realName + count + suffix;
|
|
}
|
|
|
|
QString Core::NetworkAccess::addMessageAndCheckForPath(const QString& url, const QString& account, const QString& jid, const QString& id)
|
|
{
|
|
return storage.addMessageAndCheckForPath(url, account, jid, id);
|
|
}
|
|
|
|
std::list<Shared::MessageInfo> Core::NetworkAccess::reportPathInvalid(const QString& path)
|
|
{
|
|
return storage.deletedFile(path);
|
|
}
|
|
|
|
void Core::NetworkAccess::moveFilesDirectory(const QString& newPath)
|
|
{
|
|
QDir dir(currentPath);
|
|
bool success = true;
|
|
qDebug() << "moving" << currentPath << "to" << newPath;
|
|
for (QFileInfo fileInfo : dir.entryList(QDir::Files | QDir::Dirs | QDir::NoDotAndDotDot | QDir::Hidden | QDir::System)) {
|
|
QString fileName = fileInfo.fileName();
|
|
success = dir.rename(fileName, newPath + QDir::separator() + fileName) && success;
|
|
}
|
|
|
|
if (!success) {
|
|
qDebug() << "couldn't move downloads directory, most probably downloads will be broken";
|
|
}
|
|
currentPath = newPath;
|
|
}
|