135 lines
4.2 KiB
C++
135 lines
4.2 KiB
C++
/*
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* Copyright 2013 Albert Vaca <albertvaka@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License or (at your option) version 3 or any later version
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* accepted by the membership of KDE e.V. (or its successor approved
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* by the membership of KDE e.V.), which shall act as a proxy
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* defined in Section 14 of version 3 of the license.
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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 "uploadjob.h"
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#include "lanlinkprovider.h"
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#include <qalgorithms.h>
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#include <QtGlobal>
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#include <KLocalizedString>
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#include <kdeconnectconfig.h>
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#include "core_debug.h"
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UploadJob::UploadJob(const QSharedPointer<QIODevice>& source, const QString& deviceId)
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: KJob()
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, mInput(source)
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, mServer(new Server(this))
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, mSocket(nullptr)
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, mPort(0)
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, mDeviceId(deviceId) // We will use this info if link is on ssl, to send encrypted payload
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{
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connect(mInput.data(), SIGNAL(readyRead()), this, SLOT(startUploading()));
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connect(mInput.data(), SIGNAL(aboutToClose()), this, SLOT(aboutToClose()));
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}
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void UploadJob::start()
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{
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mPort = 1739;
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while (!mServer->listen(QHostAddress::Any, mPort)) {
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mPort++;
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if (mPort > 1764) { //No ports available?
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qCWarning(KDECONNECT_CORE) << "Error opening a port in range 1739-1764 for file transfer";
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mPort = 0;
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setError(1);
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setErrorText(i18n("Couldn't find an available port"));
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emitResult();
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return;
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}
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}
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connect(mServer, SIGNAL(newConnection()), this, SLOT(newConnection()));
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}
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void UploadJob::newConnection()
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{
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if (!mInput->open(QIODevice::ReadOnly)) {
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qCWarning(KDECONNECT_CORE) << "error when opening the input to upload";
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return; //TODO: Handle error, clean up...
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}
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Server* server = qobject_cast<Server*>(sender());
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// FIXME : It is called again when payload sending is finished. Unsolved mystery :(
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disconnect(mServer, SIGNAL(newConnection()), this, SLOT(newConnection()));
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mSocket = server->nextPendingConnection();
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mSocket->setParent(this);
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connect(mSocket, &QSslSocket::disconnected, this, &UploadJob::cleanup);
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connect(mSocket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(socketFailed(QAbstractSocket::SocketError)));
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connect(mSocket, SIGNAL(sslErrors(QList<QSslError>)), this, SLOT(sslErrors(QList<QSslError>)));
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connect(mSocket, &QSslSocket::encrypted, this, &UploadJob::startUploading);
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// connect(mSocket, &QAbstractSocket::stateChanged, [](QAbstractSocket::SocketState state){ qDebug() << "statechange" << state; });
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LanLinkProvider::configureSslSocket(mSocket, mDeviceId, true);
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mSocket->startServerEncryption();
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}
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void UploadJob::startUploading()
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{
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while ( mInput->bytesAvailable() > 0 )
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{
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qint64 bytes = qMin(mInput->bytesAvailable(), (qint64)4096);
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int w = mSocket->write(mInput->read(bytes));
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if (w<0) {
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qCWarning(KDECONNECT_CORE) << "error when writing data to upload" << bytes << mInput->bytesAvailable();
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break;
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}
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else
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{
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while ( mSocket->flush() );
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}
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}
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mInput->close();
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}
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void UploadJob::aboutToClose()
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{
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// qDebug() << "closing...";
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mSocket->disconnectFromHost();
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}
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void UploadJob::cleanup()
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{
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mSocket->close();
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// qDebug() << "closed!";
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emitResult();
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}
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QVariantMap UploadJob::transferInfo()
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{
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Q_ASSERT(mPort != 0);
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return {{"port", mPort}};
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}
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void UploadJob::socketFailed(QAbstractSocket::SocketError error)
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{
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qWarning() << "error uploading" << error;
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setError(2);
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emitResult();
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mSocket->close();
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}
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void UploadJob::sslErrors(const QList<QSslError>& errors)
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{
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qWarning() << "ssl errors" << errors;
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setError(1);
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emitResult();
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mSocket->close();
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}
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