| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtNetwork module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
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| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
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| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qnetworkreplyfileimpl_p.h" |
| |
| #include "QtCore/qdatetime.h" |
| #include "qnetworkaccessmanager_p.h" |
| #include <QtCore/QCoreApplication> |
| #include <QtCore/QFileInfo> |
| #include <QtCore/QThread> |
| #include "qnetworkfile_p.h" |
| #include "qnetworkrequest.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| QNetworkReplyFileImplPrivate::QNetworkReplyFileImplPrivate() |
| : QNetworkReplyPrivate(), managerPrivate(0), realFile(0) |
| { |
| qRegisterMetaType<QNetworkRequest::KnownHeaders>(); |
| qRegisterMetaType<QNetworkReply::NetworkError>(); |
| } |
| |
| QNetworkReplyFileImpl::~QNetworkReplyFileImpl() |
| { |
| QNetworkReplyFileImplPrivate *d = (QNetworkReplyFileImplPrivate*) d_func(); |
| if (d->realFile) { |
| if (d->realFile->thread() == QThread::currentThread()) |
| delete d->realFile; |
| else |
| QMetaObject::invokeMethod(d->realFile, "deleteLater", Qt::QueuedConnection); |
| } |
| } |
| |
| QNetworkReplyFileImpl::QNetworkReplyFileImpl(QNetworkAccessManager *manager, const QNetworkRequest &req, const QNetworkAccessManager::Operation op) |
| : QNetworkReply(*new QNetworkReplyFileImplPrivate(), manager) |
| { |
| setRequest(req); |
| setUrl(req.url()); |
| setOperation(op); |
| QNetworkReply::open(QIODevice::ReadOnly); |
| |
| QNetworkReplyFileImplPrivate *d = (QNetworkReplyFileImplPrivate*) d_func(); |
| |
| d->managerPrivate = manager->d_func(); |
| |
| QUrl url = req.url(); |
| if (url.host() == QLatin1String("localhost")) |
| url.setHost(QString()); |
| |
| #if !defined(Q_OS_WIN) |
| // do not allow UNC paths on Unix |
| if (!url.host().isEmpty()) { |
| // we handle only local files |
| QString msg = QCoreApplication::translate("QNetworkAccessFileBackend", "Request for opening non-local file %1").arg(url.toString()); |
| setError(QNetworkReply::ProtocolInvalidOperationError, msg); |
| QMetaObject::invokeMethod(this, "error", Qt::QueuedConnection, |
| Q_ARG(QNetworkReply::NetworkError, QNetworkReply::ProtocolInvalidOperationError)); |
| fileOpenFinished(false); |
| return; |
| } |
| #endif |
| if (url.path().isEmpty()) |
| url.setPath(QLatin1String("/")); |
| setUrl(url); |
| |
| QString fileName = url.toLocalFile(); |
| if (fileName.isEmpty()) { |
| const QString scheme = url.scheme(); |
| if (scheme == QLatin1String("qrc")) { |
| fileName = QLatin1Char(':') + url.path(); |
| } else { |
| #if defined(Q_OS_ANDROID) |
| if (scheme == QLatin1String("assets")) |
| fileName = QLatin1String("assets:") + url.path(); |
| else |
| #endif |
| fileName = url.toString(QUrl::RemoveAuthority | QUrl::RemoveFragment | QUrl::RemoveQuery); |
| } |
| } |
| |
| if (req.attribute(QNetworkRequest::BackgroundRequestAttribute).toBool()) { // Asynchronous open |
| auto realFile = new QNetworkFile(fileName); |
| connect(realFile, &QNetworkFile::headerRead, this, &QNetworkReplyFileImpl::setHeader, |
| Qt::QueuedConnection); |
| connect(realFile, &QNetworkFile::error, this, &QNetworkReplyFileImpl::setError, |
| Qt::QueuedConnection); |
| connect(realFile, SIGNAL(finished(bool)), SLOT(fileOpenFinished(bool)), |
| Qt::QueuedConnection); |
| |
| realFile->moveToThread(d->managerPrivate->createThread()); |
| QMetaObject::invokeMethod(realFile, "open", Qt::QueuedConnection); |
| |
| d->realFile = realFile; |
| } else { // Synch open |
| setFinished(true); |
| |
| QFileInfo fi(fileName); |
| if (fi.isDir()) { |
| QString msg = QCoreApplication::translate("QNetworkAccessFileBackend", "Cannot open %1: Path is a directory").arg(url.toString()); |
| setError(QNetworkReply::ContentOperationNotPermittedError, msg); |
| QMetaObject::invokeMethod(this, "error", Qt::QueuedConnection, |
| Q_ARG(QNetworkReply::NetworkError, QNetworkReply::ContentOperationNotPermittedError)); |
| QMetaObject::invokeMethod(this, "finished", Qt::QueuedConnection); |
| return; |
| } |
| d->realFile = new QFile(fileName, this); |
| bool opened = d->realFile->open(QIODevice::ReadOnly | QIODevice::Unbuffered); |
| |
| // could we open the file? |
| if (!opened) { |
| QString msg = QCoreApplication::translate("QNetworkAccessFileBackend", "Error opening %1: %2") |
| .arg(d->realFile->fileName(), d->realFile->errorString()); |
| |
| if (fi.exists()) { |
| setError(QNetworkReply::ContentAccessDenied, msg); |
| QMetaObject::invokeMethod(this, "error", Qt::QueuedConnection, |
| Q_ARG(QNetworkReply::NetworkError, QNetworkReply::ContentAccessDenied)); |
| } else { |
| setError(QNetworkReply::ContentNotFoundError, msg); |
| QMetaObject::invokeMethod(this, "error", Qt::QueuedConnection, |
| Q_ARG(QNetworkReply::NetworkError, QNetworkReply::ContentNotFoundError)); |
| } |
| QMetaObject::invokeMethod(this, "finished", Qt::QueuedConnection); |
| return; |
| } |
| setHeader(QNetworkRequest::LastModifiedHeader, fi.lastModified()); |
| setHeader(QNetworkRequest::ContentLengthHeader, fi.size()); |
| |
| QMetaObject::invokeMethod(this, "metaDataChanged", Qt::QueuedConnection); |
| QMetaObject::invokeMethod(this, "downloadProgress", Qt::QueuedConnection, |
| Q_ARG(qint64, fi.size()), Q_ARG(qint64, fi.size())); |
| QMetaObject::invokeMethod(this, "readyRead", Qt::QueuedConnection); |
| QMetaObject::invokeMethod(this, "finished", Qt::QueuedConnection); |
| } |
| } |
| |
| void QNetworkReplyFileImpl::close() |
| { |
| Q_D(QNetworkReplyFileImpl); |
| QNetworkReply::close(); |
| if (d->realFile) { |
| if (d->realFile->thread() == thread()) |
| d->realFile->close(); |
| else |
| QMetaObject::invokeMethod(d->realFile, "close", Qt::QueuedConnection); |
| } |
| } |
| |
| void QNetworkReplyFileImpl::abort() |
| { |
| close(); |
| } |
| |
| qint64 QNetworkReplyFileImpl::bytesAvailable() const |
| { |
| Q_D(const QNetworkReplyFileImpl); |
| if (!d->isFinished || !d->realFile || !d->realFile->isOpen()) |
| return QNetworkReply::bytesAvailable(); |
| return QNetworkReply::bytesAvailable() + d->realFile->bytesAvailable(); |
| } |
| |
| bool QNetworkReplyFileImpl::isSequential () const |
| { |
| return true; |
| } |
| |
| qint64 QNetworkReplyFileImpl::size() const |
| { |
| bool ok; |
| int size = header(QNetworkRequest::ContentLengthHeader).toInt(&ok); |
| return ok ? size : 0; |
| } |
| |
| /*! |
| \internal |
| */ |
| qint64 QNetworkReplyFileImpl::readData(char *data, qint64 maxlen) |
| { |
| Q_D(QNetworkReplyFileImpl); |
| if (!d->isFinished || !d->realFile || !d->realFile->isOpen()) |
| return -1; |
| qint64 ret = d->realFile->read(data, maxlen); |
| if (bytesAvailable() == 0) |
| d->realFile->close(); |
| if (ret == 0 && bytesAvailable() == 0) |
| return -1; |
| else { |
| setAttribute(QNetworkRequest::HttpStatusCodeAttribute, 200); |
| setAttribute(QNetworkRequest::HttpReasonPhraseAttribute, QLatin1String("OK")); |
| return ret; |
| } |
| } |
| |
| void QNetworkReplyFileImpl::fileOpenFinished(bool isOpen) |
| { |
| setFinished(true); |
| if (isOpen) { |
| const auto fileSize = size(); |
| Q_EMIT metaDataChanged(); |
| Q_EMIT downloadProgress(fileSize, fileSize); |
| Q_EMIT readyRead(); |
| } |
| Q_EMIT finished(); |
| } |
| |
| QT_END_NAMESPACE |
| |
| #include "moc_qnetworkreplyfileimpl_p.cpp" |
| |
