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@ -1,6 +1,6 @@
@@ -1,6 +1,6 @@
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/*
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* Bittorrent Client using Qt and libtorrent. |
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* Copyright (C) 2015 Vladimir Golovnev <glassez@yandex.ru> |
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* Copyright (C) 2015, 2018 Vladimir Golovnev <glassez@yandex.ru> |
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* Copyright (C) 2006 Christophe Dumez <chris@qbittorrent.org> |
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* |
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* This program is free software; you can redistribute it and/or |
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@ -29,6 +29,7 @@
@@ -29,6 +29,7 @@
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#include "downloadhandler.h" |
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#include <QCoreApplication> |
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#include <QDebug> |
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#include <QNetworkAccessManager> |
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#include <QNetworkCookie> |
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@ -43,35 +44,46 @@
@@ -43,35 +44,46 @@
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#include "base/utils/misc.h" |
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#include "downloadmanager.h" |
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static QString errorCodeToString(QNetworkReply::NetworkError status); |
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using namespace Net; |
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namespace |
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{ |
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QString tr(const char *message); |
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QString errorCodeToString(QNetworkReply::NetworkError status); |
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} |
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DownloadHandler::DownloadHandler(QNetworkReply *reply, DownloadManager *manager, bool saveToFile, qint64 limit, bool handleRedirectToMagnet) |
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Net::DownloadHandler::DownloadHandler(QNetworkReply *reply, DownloadManager *manager, const DownloadRequest &downloadRequest) |
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: QObject(manager) |
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, m_reply(reply) |
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, m_manager(manager) |
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, m_saveToFile(saveToFile) |
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, m_sizeLimit(limit) |
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, m_handleRedirectToMagnet(handleRedirectToMagnet) |
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, m_url(reply->url().toString()) |
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, m_downloadRequest(downloadRequest) |
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{ |
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init(); |
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if (reply) |
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assignNetworkReply(reply); |
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} |
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DownloadHandler::~DownloadHandler() |
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Net::DownloadHandler::~DownloadHandler() |
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{ |
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if (m_reply) |
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delete m_reply; |
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} |
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void Net::DownloadHandler::assignNetworkReply(QNetworkReply *reply) |
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{ |
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Q_ASSERT(reply); |
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m_reply = reply; |
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m_reply->setParent(this); |
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if (m_downloadRequest.limit() > 0) |
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connect(m_reply, &QNetworkReply::downloadProgress, this, &Net::DownloadHandler::checkDownloadSize); |
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connect(m_reply, &QNetworkReply::finished, this, &Net::DownloadHandler::processFinishedDownload); |
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} |
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// Returns original url
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QString DownloadHandler::url() const |
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QString Net::DownloadHandler::url() const |
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{ |
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return m_url; |
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return m_downloadRequest.url(); |
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} |
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void DownloadHandler::processFinishedDownload() |
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void Net::DownloadHandler::processFinishedDownload() |
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{ |
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QString url = m_reply->url().toString(); |
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qDebug("Download finished: %s", qUtf8Printable(url)); |
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@ -79,7 +91,7 @@ void DownloadHandler::processFinishedDownload()
@@ -79,7 +91,7 @@ void DownloadHandler::processFinishedDownload()
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if (m_reply->error() != QNetworkReply::NoError) { |
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// Failure
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qDebug("Download failure (%s), reason: %s", qUtf8Printable(url), qUtf8Printable(errorCodeToString(m_reply->error()))); |
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emit downloadFailed(m_url, errorCodeToString(m_reply->error())); |
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emit downloadFailed(m_downloadRequest.url(), errorCodeToString(m_reply->error())); |
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this->deleteLater(); |
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} |
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else { |
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@ -97,15 +109,15 @@ void DownloadHandler::processFinishedDownload()
@@ -97,15 +109,15 @@ void DownloadHandler::processFinishedDownload()
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replyData = Utils::Gzip::decompress(replyData); |
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} |
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if (m_saveToFile) { |
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if (m_downloadRequest.saveToFile()) { |
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QString filePath; |
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if (saveToFile(replyData, filePath)) |
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emit downloadFinished(m_url, filePath); |
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emit downloadFinished(m_downloadRequest.url(), filePath); |
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else |
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emit downloadFailed(m_url, tr("I/O Error")); |
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} |
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emit downloadFailed(m_downloadRequest.url(), tr("I/O Error")); |
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} |
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else { |
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emit downloadFinished(m_url, replyData); |
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emit downloadFinished(m_downloadRequest.url(), replyData); |
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} |
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this->deleteLater(); |
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@ -113,35 +125,27 @@ void DownloadHandler::processFinishedDownload()
@@ -113,35 +125,27 @@ void DownloadHandler::processFinishedDownload()
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} |
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} |
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void DownloadHandler::checkDownloadSize(qint64 bytesReceived, qint64 bytesTotal) |
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void Net::DownloadHandler::checkDownloadSize(qint64 bytesReceived, qint64 bytesTotal) |
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{ |
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QString msg = tr("The file size is %1. It exceeds the download limit of %2."); |
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if (bytesTotal > 0) { |
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// Total number of bytes is available
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if (bytesTotal > m_sizeLimit) { |
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if (bytesTotal > m_downloadRequest.limit()) { |
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m_reply->abort(); |
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emit downloadFailed(m_url, msg.arg(Utils::Misc::friendlyUnit(bytesTotal), Utils::Misc::friendlyUnit(m_sizeLimit))); |
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emit downloadFailed(m_downloadRequest.url(), msg.arg(Utils::Misc::friendlyUnit(bytesTotal), Utils::Misc::friendlyUnit(m_downloadRequest.limit()))); |
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} |
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else { |
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disconnect(m_reply, &QNetworkReply::downloadProgress, this, &Net::DownloadHandler::checkDownloadSize); |
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} |
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} |
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else if (bytesReceived > m_sizeLimit) { |
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else if (bytesReceived > m_downloadRequest.limit()) { |
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m_reply->abort(); |
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emit downloadFailed(m_url, msg.arg(Utils::Misc::friendlyUnit(bytesReceived), Utils::Misc::friendlyUnit(m_sizeLimit))); |
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emit downloadFailed(m_downloadRequest.url(), msg.arg(Utils::Misc::friendlyUnit(bytesReceived), Utils::Misc::friendlyUnit(m_downloadRequest.limit()))); |
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} |
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} |
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void DownloadHandler::init() |
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{ |
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m_reply->setParent(this); |
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if (m_sizeLimit > 0) |
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connect(m_reply, &QNetworkReply::downloadProgress, this, &Net::DownloadHandler::checkDownloadSize); |
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connect(m_reply, &QNetworkReply::finished, this, &Net::DownloadHandler::processFinishedDownload); |
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} |
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bool DownloadHandler::saveToFile(const QByteArray &replyData, QString &filePath) |
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bool Net::DownloadHandler::saveToFile(const QByteArray &replyData, QString &filePath) |
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{ |
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QTemporaryFile *tmpfile = new QTemporaryFile(Utils::Fs::tempPath() + "XXXXXX"); |
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if (!tmpfile->open()) { |
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@ -168,82 +172,104 @@ bool DownloadHandler::saveToFile(const QByteArray &replyData, QString &filePath)
@@ -168,82 +172,104 @@ bool DownloadHandler::saveToFile(const QByteArray &replyData, QString &filePath)
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return false; |
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} |
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void DownloadHandler::handleRedirection(QUrl newUrl) |
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void Net::DownloadHandler::handleRedirection(QUrl newUrl) |
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{ |
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// Resolve relative urls
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if (newUrl.isRelative()) |
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newUrl = m_reply->url().resolved(newUrl); |
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const QString newUrlString = newUrl.toString(); |
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qDebug("Redirecting from %s to %s", qUtf8Printable(m_reply->url().toString()), qUtf8Printable(newUrlString)); |
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qDebug("Redirecting from %s to %s...", qUtf8Printable(m_reply->url().toString()), qUtf8Printable(newUrlString)); |
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// Redirect to magnet workaround
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if (newUrlString.startsWith("magnet:", Qt::CaseInsensitive)) { |
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qDebug("Magnet redirect detected."); |
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m_reply->abort(); |
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if (m_handleRedirectToMagnet) |
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emit redirectedToMagnet(m_url, newUrlString); |
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if (m_downloadRequest.handleRedirectToMagnet()) |
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emit redirectedToMagnet(m_downloadRequest.url(), newUrlString); |
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else |
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emit downloadFailed(m_url, tr("Unexpected redirect to magnet URI.")); |
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emit downloadFailed(m_downloadRequest.url(), tr("Unexpected redirect to magnet URI.")); |
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this->deleteLater(); |
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} |
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else { |
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DownloadHandler *tmp = m_manager->downloadUrl(newUrlString, m_saveToFile, m_sizeLimit, m_handleRedirectToMagnet); |
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m_reply->deleteLater(); |
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m_reply = tmp->m_reply; |
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init(); |
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tmp->m_reply = nullptr; |
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delete tmp; |
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DownloadHandler *redirected = m_manager->download(DownloadRequest(m_downloadRequest).url(newUrlString)); |
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connect(redirected, &DownloadHandler::destroyed, this, &DownloadHandler::deleteLater); |
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connect(redirected, &DownloadHandler::downloadFailed, this, [this](const QString &, const QString &reason) |
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{ |
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emit downloadFailed(url(), reason); |
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}); |
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connect(redirected, &DownloadHandler::redirectedToMagnet, this, [this](const QString &, const QString &magnetUri) |
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{ |
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emit redirectedToMagnet(url(), magnetUri); |
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}); |
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connect(redirected, static_cast<void (DownloadHandler::*)(const QString &, const QString &)>(&DownloadHandler::downloadFinished) |
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, this, [this](const QString &, const QString &fileName) |
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{ |
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emit downloadFinished(url(), fileName); |
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}); |
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connect(redirected, static_cast<void (DownloadHandler::*)(const QString &, const QByteArray &)>(&DownloadHandler::downloadFinished) |
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, this, [this](const QString &, const QByteArray &data) |
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{ |
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emit downloadFinished(url(), data); |
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}); |
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} |
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} |
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QString errorCodeToString(QNetworkReply::NetworkError status) |
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namespace |
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{ |
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switch (status) { |
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case QNetworkReply::HostNotFoundError: |
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return QObject::tr("The remote host name was not found (invalid hostname)"); |
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case QNetworkReply::OperationCanceledError: |
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return QObject::tr("The operation was canceled"); |
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case QNetworkReply::RemoteHostClosedError: |
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return QObject::tr("The remote server closed the connection prematurely, before the entire reply was received and processed"); |
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case QNetworkReply::TimeoutError: |
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return QObject::tr("The connection to the remote server timed out"); |
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case QNetworkReply::SslHandshakeFailedError: |
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return QObject::tr("SSL/TLS handshake failed"); |
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case QNetworkReply::ConnectionRefusedError: |
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return QObject::tr("The remote server refused the connection"); |
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case QNetworkReply::ProxyConnectionRefusedError: |
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return QObject::tr("The connection to the proxy server was refused"); |
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case QNetworkReply::ProxyConnectionClosedError: |
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return QObject::tr("The proxy server closed the connection prematurely"); |
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case QNetworkReply::ProxyNotFoundError: |
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return QObject::tr("The proxy host name was not found"); |
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case QNetworkReply::ProxyTimeoutError: |
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return QObject::tr("The connection to the proxy timed out or the proxy did not reply in time to the request sent"); |
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case QNetworkReply::ProxyAuthenticationRequiredError: |
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return QObject::tr("The proxy requires authentication in order to honor the request but did not accept any credentials offered"); |
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case QNetworkReply::ContentAccessDenied: |
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return QObject::tr("The access to the remote content was denied (401)"); |
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case QNetworkReply::ContentOperationNotPermittedError: |
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return QObject::tr("The operation requested on the remote content is not permitted"); |
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case QNetworkReply::ContentNotFoundError: |
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return QObject::tr("The remote content was not found at the server (404)"); |
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case QNetworkReply::AuthenticationRequiredError: |
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return QObject::tr("The remote server requires authentication to serve the content but the credentials provided were not accepted"); |
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case QNetworkReply::ProtocolUnknownError: |
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return QObject::tr("The Network Access API cannot honor the request because the protocol is not known"); |
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case QNetworkReply::ProtocolInvalidOperationError: |
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return QObject::tr("The requested operation is invalid for this protocol"); |
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case QNetworkReply::UnknownNetworkError: |
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return QObject::tr("An unknown network-related error was detected"); |
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case QNetworkReply::UnknownProxyError: |
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return QObject::tr("An unknown proxy-related error was detected"); |
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case QNetworkReply::UnknownContentError: |
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return QObject::tr("An unknown error related to the remote content was detected"); |
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case QNetworkReply::ProtocolFailure: |
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return QObject::tr("A breakdown in protocol was detected"); |
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default: |
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return QObject::tr("Unknown error"); |
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QString tr(const char *message) |
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{ |
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return QCoreApplication::translate("DownloadHandler", message); |
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} |
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QString errorCodeToString(QNetworkReply::NetworkError status) |
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{ |
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switch (status) { |
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case QNetworkReply::HostNotFoundError: |
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return tr("The remote host name was not found (invalid hostname)"); |
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case QNetworkReply::OperationCanceledError: |
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return tr("The operation was canceled"); |
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case QNetworkReply::RemoteHostClosedError: |
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return tr("The remote server closed the connection prematurely, before the entire reply was received and processed"); |
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case QNetworkReply::TimeoutError: |
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return tr("The connection to the remote server timed out"); |
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case QNetworkReply::SslHandshakeFailedError: |
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return tr("SSL/TLS handshake failed"); |
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case QNetworkReply::ConnectionRefusedError: |
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return tr("The remote server refused the connection"); |
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case QNetworkReply::ProxyConnectionRefusedError: |
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return tr("The connection to the proxy server was refused"); |
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case QNetworkReply::ProxyConnectionClosedError: |
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return tr("The proxy server closed the connection prematurely"); |
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case QNetworkReply::ProxyNotFoundError: |
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return tr("The proxy host name was not found"); |
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case QNetworkReply::ProxyTimeoutError: |
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return tr("The connection to the proxy timed out or the proxy did not reply in time to the request sent"); |
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case QNetworkReply::ProxyAuthenticationRequiredError: |
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return tr("The proxy requires authentication in order to honor the request but did not accept any credentials offered"); |
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case QNetworkReply::ContentAccessDenied: |
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return tr("The access to the remote content was denied (401)"); |
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case QNetworkReply::ContentOperationNotPermittedError: |
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return tr("The operation requested on the remote content is not permitted"); |
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case QNetworkReply::ContentNotFoundError: |
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return tr("The remote content was not found at the server (404)"); |
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case QNetworkReply::AuthenticationRequiredError: |
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return tr("The remote server requires authentication to serve the content but the credentials provided were not accepted"); |
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case QNetworkReply::ProtocolUnknownError: |
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return tr("The Network Access API cannot honor the request because the protocol is not known"); |
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case QNetworkReply::ProtocolInvalidOperationError: |
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return tr("The requested operation is invalid for this protocol"); |
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case QNetworkReply::UnknownNetworkError: |
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return tr("An unknown network-related error was detected"); |
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case QNetworkReply::UnknownProxyError: |
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return tr("An unknown proxy-related error was detected"); |
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case QNetworkReply::UnknownContentError: |
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return tr("An unknown error related to the remote content was detected"); |
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case QNetworkReply::ProtocolFailure: |
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return tr("A breakdown in protocol was detected"); |
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default: |
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return tr("Unknown error"); |
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} |
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} |
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} |
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