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/*
* Copyright (C) 2009 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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 "DocumentThreadableLoader.h"
#include "AuthenticationChallenge.h"
#include "Document.h"
#include "DocumentThreadableLoader.h"
#include "Frame.h"
#include "FrameLoader.h"
#include "ResourceRequest.h"
#include "SecurityOrigin.h"
#include "SubresourceLoader.h"
#include "ThreadableLoaderClient.h"
namespace WebCore {
void DocumentThreadableLoader::loadResourceSynchronously(Document* document, const ResourceRequest& request, ThreadableLoaderClient& client)
{
bool sameOriginRequest = document->securityOrigin()->canRequest(request.url());
Vector<char> data;
ResourceError error;
ResourceResponse response;
unsigned long identifier = std::numeric_limits<unsigned long>::max();
if (document->frame())
identifier = document->frame()->loader()->loadResourceSynchronously(request, error, response, data);
// No exception for file:/// resources, see <rdar://problem/4962298>.
// Also, if we have an HTTP response, then it wasn't a network error in fact.
if (!error.isNull() && !request.url().isLocalFile() && response.httpStatusCode() <= 0) {
client.didFail(error);
return;
}
// FIXME: This check along with the one in willSendRequest is specific to xhr and
// should be made more generic.
if (sameOriginRequest && !document->securityOrigin()->canRequest(response.url())) {
client.didFailRedirectCheck();
return;
}
client.didReceiveResponse(response);
const char* bytes = static_cast<const char*>(data.data());
int len = static_cast<int>(data.size());
client.didReceiveData(bytes, len);
client.didFinishLoading(identifier);
}
PassRefPtr<DocumentThreadableLoader> DocumentThreadableLoader::create(Document* document, ThreadableLoaderClient* client, const ResourceRequest& request, LoadCallbacks callbacksSetting, ContentSniff contentSniff)
{
ASSERT(document);
RefPtr<DocumentThreadableLoader> loader = adoptRef(new DocumentThreadableLoader(document, client, request, callbacksSetting, contentSniff));
if (!loader->m_loader)
loader = 0;
return loader.release();
}
DocumentThreadableLoader::DocumentThreadableLoader(Document* document, ThreadableLoaderClient* client, const ResourceRequest& request, LoadCallbacks callbacksSetting, ContentSniff contentSniff)
: m_client(client)
, m_document(document)
{
ASSERT(document);
ASSERT(client);
m_loader = SubresourceLoader::create(document->frame(), this, request, false, callbacksSetting == SendLoadCallbacks, contentSniff == SniffContent);
}
DocumentThreadableLoader::~DocumentThreadableLoader()
{
if (m_loader)
m_loader->clearClient();
}
void DocumentThreadableLoader::cancel()
{
if (!m_loader)
return;
m_loader->cancel();
m_loader->clearClient();
m_loader = 0;
m_client = 0;
}
void DocumentThreadableLoader::willSendRequest(SubresourceLoader*, ResourceRequest& request, const ResourceResponse&)
{
ASSERT(m_client);
// FIXME: This needs to be fixed to follow the redirect correctly even for cross-domain requests.
if (!m_document->securityOrigin()->canRequest(request.url())) {
RefPtr<DocumentThreadableLoader> protect(this);
m_client->didFailRedirectCheck();
cancel();
}
}
void DocumentThreadableLoader::didSendData(SubresourceLoader*, unsigned long long bytesSent, unsigned long long totalBytesToBeSent)
{
ASSERT(m_client);
m_client->didSendData(bytesSent, totalBytesToBeSent);
}
void DocumentThreadableLoader::didReceiveResponse(SubresourceLoader*, const ResourceResponse& response)
{
ASSERT(m_client);
m_client->didReceiveResponse(response);
}
void DocumentThreadableLoader::didReceiveData(SubresourceLoader*, const char* data, int lengthReceived)
{
ASSERT(m_client);
m_client->didReceiveData(data, lengthReceived);
}
void DocumentThreadableLoader::didFinishLoading(SubresourceLoader* loader)
{
ASSERT(loader);
ASSERT(m_client);
m_client->didFinishLoading(loader->identifier());
}
void DocumentThreadableLoader::didFail(SubresourceLoader*, const ResourceError& error)
{
ASSERT(m_client);
m_client->didFail(error);
}
void DocumentThreadableLoader::receivedCancellation(SubresourceLoader*, const AuthenticationChallenge& challenge)
{
ASSERT(m_client);
m_client->didReceiveAuthenticationCancellation(challenge.failureResponse());
}
} // namespace WebCore
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