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/*
* Copyright (C) 2010, 2011 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "Download.h"
#include "DataReference.h"
#include "NotImplemented.h"
#pragma warning(push, 0)
#include <WebCore/DownloadBundle.h>
#include <WebCore/LoaderRunLoopCF.h>
#include <WebCore/ResourceError.h>
#include <WebCore/ResourceHandle.h>
#include <WebCore/ResourceResponse.h>
#pragma warning(pop)
using namespace WebCore;
namespace WebKit {
// CFURLDownload Callbacks ----------------------------------------------------------------
static void didStartCallback(CFURLDownloadRef download, const void* clientInfo);
static CFURLRequestRef willSendRequestCallback(CFURLDownloadRef download, CFURLRequestRef request, CFURLResponseRef redirectionResponse, const void* clientInfo);
static void didReceiveAuthenticationChallengeCallback(CFURLDownloadRef download, CFURLAuthChallengeRef challenge, const void* clientInfo);
static void didReceiveResponseCallback(CFURLDownloadRef download, CFURLResponseRef response, const void* clientInfo);
static void willResumeWithResponseCallback(CFURLDownloadRef download, CFURLResponseRef response, UInt64 startingByte, const void* clientInfo);
static void didReceiveDataCallback(CFURLDownloadRef download, CFIndex length, const void* clientInfo);
static Boolean shouldDecodeDataOfMIMETypeCallback(CFURLDownloadRef download, CFStringRef encodingType, const void* clientInfo);
static void decideDestinationWithSuggestedObjectNameCallback(CFURLDownloadRef download, CFStringRef objectName, const void* clientInfo);
static void didCreateDestinationCallback(CFURLDownloadRef download, CFURLRef path, const void* clientInfo);
static void didFinishCallback(CFURLDownloadRef download, const void* clientInfo);
static void didFailCallback(CFURLDownloadRef download, CFErrorRef error, const void* clientInfo);
void Download::start(WebPage*)
{
ASSERT(!m_download);
CFURLRequestRef cfRequest = m_request.cfURLRequest();
CFURLDownloadClient client = {0, this, 0, 0, 0, didStartCallback, willSendRequestCallback, didReceiveAuthenticationChallengeCallback,
didReceiveResponseCallback, willResumeWithResponseCallback, didReceiveDataCallback, shouldDecodeDataOfMIMETypeCallback,
decideDestinationWithSuggestedObjectNameCallback, didCreateDestinationCallback, didFinishCallback, didFailCallback};
m_download.adoptCF(CFURLDownloadCreate(0, cfRequest, &client));
// FIXME: Allow this to be changed by the client.
CFURLDownloadSetDeletesUponFailure(m_download.get(), false);
CFURLDownloadScheduleWithCurrentMessageQueue(m_download.get());
CFURLDownloadScheduleDownloadWithRunLoop(m_download.get(), loaderRunLoop(), kCFRunLoopDefaultMode);
}
void Download::startWithHandle(WebPage*, ResourceHandle* handle, const ResourceRequest& initialRequest, const ResourceResponse& response)
{
ASSERT(!m_download);
CFURLConnectionRef connection = handle->connection();
if (!connection)
return;
CFURLDownloadClient client = {0, this, 0, 0, 0, didStartCallback, willSendRequestCallback, didReceiveAuthenticationChallengeCallback,
didReceiveResponseCallback, willResumeWithResponseCallback, didReceiveDataCallback, shouldDecodeDataOfMIMETypeCallback,
decideDestinationWithSuggestedObjectNameCallback, didCreateDestinationCallback, didFinishCallback, didFailCallback};
m_download.adoptCF(CFURLDownloadCreateAndStartWithLoadingConnection(0, connection, initialRequest.cfURLRequest(), response.cfURLResponse(), &client));
// It is possible for CFURLDownloadCreateAndStartWithLoadingConnection() to fail if the passed in CFURLConnection is not in a "downloadable state"
// However, we should never hit that case
if (!m_download)
ASSERT_NOT_REACHED();
// The CFURLDownload either starts successfully and retains the CFURLConnection,
// or it fails to creating and we have a now-useless connection with a dangling ref.
// Either way, we need to release the connection to balance out ref counts
handle->releaseConnectionForDownload();
CFRelease(connection);
}
void Download::cancel()
{
ASSERT(m_download);
if (!m_download)
return;
CFURLDownloadSetDeletesUponFailure(m_download.get(), false);
CFURLDownloadCancel(m_download.get());
RetainPtr<CFDataRef> resumeData(AdoptCF, CFURLDownloadCopyResumeData(m_download.get()));
if (resumeData)
DownloadBundle::appendResumeData(resumeData.get(), m_bundlePath);
didCancel(CoreIPC::DataReference());
}
void Download::platformInvalidate()
{
m_download = nullptr;
}
void Download::didDecideDestination(const String& destination, bool allowOverwrite)
{
ASSERT(!destination.isEmpty());
if (destination.isEmpty())
return;
m_allowOverwrite = allowOverwrite;
m_destination = destination;
m_bundlePath = destination + DownloadBundle::fileExtension();
RetainPtr<CFStringRef> bundlePath(AdoptCF, CFStringCreateWithCharactersNoCopy(0, reinterpret_cast<const UniChar*>(m_bundlePath.characters()), m_bundlePath.length(), kCFAllocatorNull));
RetainPtr<CFURLRef> bundlePathURL(AdoptCF, CFURLCreateWithFileSystemPath(0, bundlePath.get(), kCFURLWindowsPathStyle, false));
CFURLDownloadSetDestination(m_download.get(), bundlePathURL.get(), allowOverwrite);
}
// CFURLDownload Callbacks ----------------------------------------------------------------
static Download* downloadFromClientInfo(const void* clientInfo)
{
return reinterpret_cast<Download*>(const_cast<void*>(clientInfo));
}
void didStartCallback(CFURLDownloadRef, const void* clientInfo)
{
downloadFromClientInfo(clientInfo)->didStart();
}
CFURLRequestRef willSendRequestCallback(CFURLDownloadRef, CFURLRequestRef request, CFURLResponseRef redirectionResponse, const void* clientInfo)
{
// CFNetwork requires us to return a retained request.
CFRetain(request);
return request;
}
void didReceiveAuthenticationChallengeCallback(CFURLDownloadRef, CFURLAuthChallengeRef challenge, const void* clientInfo)
{
// FIXME: implement.
notImplemented();
}
void didReceiveResponseCallback(CFURLDownloadRef, CFURLResponseRef response, const void* clientInfo)
{
downloadFromClientInfo(clientInfo)->didReceiveResponse(ResourceResponse(response));
}
void willResumeWithResponseCallback(CFURLDownloadRef, CFURLResponseRef response, UInt64 startingByte, const void* clientInfo)
{
// FIXME: implement.
notImplemented();
}
void didReceiveDataCallback(CFURLDownloadRef, CFIndex length, const void* clientInfo)
{
downloadFromClientInfo(clientInfo)->didReceiveData(length);
}
Boolean shouldDecodeDataOfMIMETypeCallback(CFURLDownloadRef, CFStringRef encodingType, const void* clientInfo)
{
return downloadFromClientInfo(clientInfo)->shouldDecodeSourceDataOfMIMEType(encodingType);
}
void decideDestinationWithSuggestedObjectNameCallback(CFURLDownloadRef, CFStringRef objectName, const void* clientInfo)
{
Download* download = downloadFromClientInfo(clientInfo);
bool allowOverwrite;
download->decideDestinationWithSuggestedFilename(objectName, allowOverwrite);
}
void didCreateDestinationCallback(CFURLDownloadRef, CFURLRef, const void* clientInfo)
{
// The concept of the ".download bundle" is internal to the Download, so we try to hide its
// existence by reporting the final destination was created, when in reality the bundle was created.
Download* download = downloadFromClientInfo(clientInfo);
download->didCreateDestination(download->destination());
}
void didFinishCallback(CFURLDownloadRef, const void* clientInfo)
{
downloadFromClientInfo(clientInfo)->didFinish();
}
void didFailCallback(CFURLDownloadRef, CFErrorRef error, const void* clientInfo)
{
CoreIPC::DataReference dataReference(0, 0);
downloadFromClientInfo(clientInfo)->didFail(ResourceError(error), dataReference);
}
} // namespace WebKit
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