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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWebEngine 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
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** 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
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** 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
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "url_request_custom_job.h"
#include "url_request_custom_job_proxy.h"
#include "content/public/browser/browser_thread.h"
#include "net/base/io_buffer.h"
#include <QIODevice>
using namespace net;
namespace QtWebEngineCore {
URLRequestCustomJob::URLRequestCustomJob(URLRequest *request,
NetworkDelegate *networkDelegate,
const std::string &scheme,
QPointer<ProfileAdapter> profileAdapter)
: URLRequestJob(request, networkDelegate)
, m_proxy(new URLRequestCustomJobProxy(this, scheme, profileAdapter))
, m_device(nullptr)
, m_error(0)
, m_pendingReadSize(0)
, m_pendingReadPos(0)
, m_pendingReadBuffer(nullptr)
{
}
URLRequestCustomJob::~URLRequestCustomJob()
{
m_proxy->m_job = nullptr;
if (m_device && m_device->isOpen())
m_device->close();
m_device = nullptr;
content::BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE,
base::Bind(&URLRequestCustomJobProxy::release,
m_proxy));
}
void URLRequestCustomJob::Start()
{
DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
content::BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE,
base::Bind(&URLRequestCustomJobProxy::initialize,
m_proxy, request()->url(), request()->method(), request()->initiator()));
}
void URLRequestCustomJob::Kill()
{
DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
m_proxy->m_job = nullptr;
if (m_device && m_device->isOpen())
m_device->close();
if (m_pendingReadBuffer) {
m_pendingReadBuffer->Release();
m_pendingReadBuffer = nullptr;
m_pendingReadSize = 0;
m_pendingReadPos = 0;
}
m_device = nullptr;
content::BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE,
base::Bind(&URLRequestCustomJobProxy::release,
m_proxy));
URLRequestJob::Kill();
}
bool URLRequestCustomJob::GetMimeType(std::string *mimeType) const
{
DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
if (m_mimeType.size() > 0) {
*mimeType = m_mimeType;
return true;
}
return false;
}
bool URLRequestCustomJob::GetCharset(std::string* charset)
{
DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
if (m_charset.size() > 0) {
*charset = m_charset;
return true;
}
return false;
}
bool URLRequestCustomJob::IsRedirectResponse(GURL* location, int* http_status_code, bool* /*insecure_scheme_was_upgraded*/)
{
DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
if (m_redirect.is_valid()) {
*location = m_redirect;
*http_status_code = 303;
return true;
}
return false;
}
int URLRequestCustomJob::ReadRawData(IOBuffer *buf, int bufSize)
{
DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
if (m_error)
return m_error;
qint64 rv = m_device ? m_device->read(buf->data(), bufSize) : -1;
if (rv > 0) {
return static_cast<int>(rv);
} else if (rv == 0) {
// Returning zero is interpreted as EOF by Chromium, so only
// return zero if we are the end of the file.
if (m_device->atEnd())
return 0;
// Otherwise return IO_PENDING and call ReadRawDataComplete when we have data
// for them.
buf->AddRef();
m_pendingReadPos = 0;
m_pendingReadSize = bufSize;
m_pendingReadBuffer = buf;
return ERR_IO_PENDING;
} else {
// QIODevice::read might have called fail on us.
if (m_error)
return m_error;
if (m_device && m_device->atEnd())
return 0;
return ERR_FAILED;
}
}
void URLRequestCustomJob::notifyReadyRead()
{
DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
if (!m_device)
return;
if (!m_pendingReadSize)
return;
Q_ASSERT(m_pendingReadBuffer);
if (!m_pendingReadBuffer)
return;
qint64 rv = m_device->read(m_pendingReadBuffer->data() + m_pendingReadPos, m_pendingReadSize - m_pendingReadPos);
if (rv == 0)
return;
if (rv < 0) {
if (m_error)
rv = m_error;
else if (m_device->atEnd())
rv = 0;
else
rv = ERR_FAILED;
} else {
m_pendingReadPos += rv;
if (m_pendingReadPos < m_pendingReadSize && !m_device->atEnd())
return;
rv = m_pendingReadPos;
}
// killJob may be called from ReadRawDataComplete
net::IOBuffer *buf = m_pendingReadBuffer;
m_pendingReadBuffer = nullptr;
m_pendingReadSize = 0;
m_pendingReadPos = 0;
ReadRawDataComplete(rv);
buf->Release();
}
} // namespace
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