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/*
* Copyright (C) 2013 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 "core/loader/FrameFetchContext.h"
#include "core/dom/Document.h"
#include "core/frame/LocalFrame.h"
#include "core/inspector/InspectorInstrumentation.h"
#include "core/inspector/InspectorTraceEvents.h"
#include "core/loader/DocumentLoader.h"
#include "core/loader/FrameLoader.h"
#include "core/loader/FrameLoaderClient.h"
#include "core/loader/ProgressTracker.h"
#include "core/page/Page.h"
#include "core/frame/Settings.h"
#include "platform/weborigin/SecurityPolicy.h"
namespace blink {
FrameFetchContext::FrameFetchContext(LocalFrame* frame)
: m_frame(frame)
{
}
void FrameFetchContext::reportLocalLoadFailed(const KURL& url)
{
FrameLoader::reportLocalLoadFailed(m_frame, url.elidedString());
}
void FrameFetchContext::addAdditionalRequestHeaders(Document* document, ResourceRequest& request, FetchResourceType type)
{
bool isMainResource = type == FetchMainResource;
if (!isMainResource) {
String outgoingReferrer;
ReferrerPolicy referrerPolicy;
String outgoingOrigin;
if (request.httpReferrer().isNull()) {
outgoingReferrer = document->outgoingReferrer();
referrerPolicy = document->referrerPolicy();
outgoingOrigin = document->outgoingOrigin();
} else {
outgoingReferrer = request.httpReferrer();
referrerPolicy = request.referrerPolicy();
outgoingOrigin = SecurityOrigin::createFromString(outgoingReferrer)->toString();
}
outgoingReferrer = SecurityPolicy::generateReferrerHeader(referrerPolicy, request.url(), outgoingReferrer);
if (outgoingReferrer.isEmpty())
request.clearHTTPReferrer();
else
request.setHTTPReferrer(Referrer(outgoingReferrer, referrerPolicy));
request.addHTTPOriginIfNeeded(AtomicString(outgoingOrigin));
}
// The remaining modifications are only necessary for HTTP and HTTPS.
if (!request.url().isEmpty() && !request.url().protocolIsInHTTPFamily())
return;
m_frame->loader().applyUserAgent(request);
}
void FrameFetchContext::setFirstPartyForCookies(ResourceRequest& request)
{
if (m_frame->tree().top()->isLocalFrame())
request.setFirstPartyForCookies(toLocalFrame(m_frame->tree().top())->document()->firstPartyForCookies());
}
CachePolicy FrameFetchContext::cachePolicy(Document* document) const
{
if (document && document->loadEventFinished())
return CachePolicyVerify;
FrameLoadType loadType = m_frame->loader().loadType();
if (loadType == FrameLoadTypeReloadFromOrigin)
return CachePolicyReload;
Frame* parentFrame = m_frame->tree().parent();
if (parentFrame && parentFrame->isLocalFrame()) {
CachePolicy parentCachePolicy = toLocalFrame(parentFrame)->loader().fetchContext().cachePolicy(toLocalFrame(parentFrame)->document());
if (parentCachePolicy != CachePolicyVerify)
return parentCachePolicy;
}
if (loadType == FrameLoadTypeReload)
return CachePolicyRevalidate;
DocumentLoader* loader = document ? document->loader() : 0;
if (loader && loader->request().cachePolicy() == ReturnCacheDataElseLoad)
return CachePolicyHistoryBuffer;
return CachePolicyVerify;
}
// FIXME(http://crbug.com/274173):
// |loader| can be null if the resource is loaded from imported document.
// This means inspector, which uses DocumentLoader as an grouping entity,
// cannot see imported documents.
inline DocumentLoader* FrameFetchContext::ensureLoader(DocumentLoader* loader)
{
return loader ? loader : m_frame->loader().documentLoader();
}
void FrameFetchContext::dispatchDidChangeResourcePriority(unsigned long identifier, ResourceLoadPriority loadPriority, int intraPriorityValue)
{
m_frame->loader().client()->dispatchDidChangeResourcePriority(identifier, loadPriority, intraPriorityValue);
}
void FrameFetchContext::dispatchWillSendRequest(DocumentLoader* loader, unsigned long identifier, ResourceRequest& request, const ResourceResponse& redirectResponse, const FetchInitiatorInfo& initiatorInfo)
{
m_frame->loader().applyUserAgent(request);
m_frame->loader().client()->dispatchWillSendRequest(loader, identifier, request, redirectResponse);
TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "ResourceSendRequest", "data", InspectorSendRequestEvent::data(identifier, m_frame, request));
TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline.stack"), "CallStack", "stack", InspectorCallStackEvent::currentCallStack());
// FIXME(361045): remove InspectorInstrumentation calls once DevTools Timeline migrates to tracing.
InspectorInstrumentation::willSendRequest(m_frame, identifier, ensureLoader(loader), request, redirectResponse, initiatorInfo);
}
void FrameFetchContext::dispatchDidLoadResourceFromMemoryCache(const ResourceRequest& request, const ResourceResponse& response)
{
m_frame->loader().client()->dispatchDidLoadResourceFromMemoryCache(request, response);
}
void FrameFetchContext::dispatchDidReceiveResponse(DocumentLoader* loader, unsigned long identifier, const ResourceResponse& r, ResourceLoader* resourceLoader)
{
m_frame->loader().progress().incrementProgress(identifier, r);
m_frame->loader().client()->dispatchDidReceiveResponse(loader, identifier, r);
TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "ResourceReceiveResponse", "data", InspectorReceiveResponseEvent::data(identifier, m_frame, r));
// FIXME(361045): remove InspectorInstrumentation calls once DevTools Timeline migrates to tracing.
InspectorInstrumentation::didReceiveResourceResponse(m_frame, identifier, ensureLoader(loader), r, resourceLoader);
}
void FrameFetchContext::dispatchDidReceiveData(DocumentLoader*, unsigned long identifier, const char* data, int dataLength, int encodedDataLength)
{
m_frame->loader().progress().incrementProgress(identifier, data, dataLength);
TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "ResourceReceivedData", "data", InspectorReceiveDataEvent::data(identifier, m_frame, encodedDataLength));
// FIXME(361045): remove InspectorInstrumentation calls once DevTools Timeline migrates to tracing.
InspectorInstrumentation::didReceiveData(m_frame, identifier, data, dataLength, encodedDataLength);
}
void FrameFetchContext::dispatchDidDownloadData(DocumentLoader*, unsigned long identifier, int dataLength, int encodedDataLength)
{
m_frame->loader().progress().incrementProgress(identifier, 0, dataLength);
TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "ResourceReceivedData", "data", InspectorReceiveDataEvent::data(identifier, m_frame, encodedDataLength));
// FIXME(361045): remove InspectorInstrumentation calls once DevTools Timeline migrates to tracing.
InspectorInstrumentation::didReceiveData(m_frame, identifier, 0, dataLength, encodedDataLength);
}
void FrameFetchContext::dispatchDidFinishLoading(DocumentLoader* loader, unsigned long identifier, double finishTime, int64_t encodedDataLength)
{
m_frame->loader().progress().completeProgress(identifier);
m_frame->loader().client()->dispatchDidFinishLoading(loader, identifier);
TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "ResourceFinish", "data", InspectorResourceFinishEvent::data(identifier, finishTime, false));
// FIXME(361045): remove InspectorInstrumentation calls once DevTools Timeline migrates to tracing.
InspectorInstrumentation::didFinishLoading(m_frame, identifier, ensureLoader(loader), finishTime, encodedDataLength);
}
void FrameFetchContext::dispatchDidFail(DocumentLoader* loader, unsigned long identifier, const ResourceError& error)
{
m_frame->loader().progress().completeProgress(identifier);
TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "ResourceFinish", "data", InspectorResourceFinishEvent::data(identifier, 0, true));
// FIXME(361045): remove InspectorInstrumentation calls once DevTools Timeline migrates to tracing.
InspectorInstrumentation::didFailLoading(m_frame, identifier, error);
}
void FrameFetchContext::sendRemainingDelegateMessages(DocumentLoader* loader, unsigned long identifier, const ResourceResponse& response, int dataLength)
{
if (!response.isNull())
dispatchDidReceiveResponse(ensureLoader(loader), identifier, response);
if (dataLength > 0)
dispatchDidReceiveData(ensureLoader(loader), identifier, 0, dataLength, 0);
dispatchDidFinishLoading(ensureLoader(loader), identifier, 0, 0);
}
} // namespace blink