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/*
* Copyright (C) 2010 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 "PingLoader.h"
#include "Document.h"
#include "FormData.h"
#include "Frame.h"
#include "FrameLoader.h"
#include "FrameLoaderClient.h"
#include "InspectorInstrumentation.h"
#include "Page.h"
#include "ProgressTracker.h"
#include "ResourceHandle.h"
#include "ResourceRequest.h"
#include "ResourceResponse.h"
#include "SecurityOrigin.h"
#include "SecurityPolicy.h"
#include <wtf/OwnPtr.h>
#include <wtf/text/CString.h>
namespace WebCore {
void PingLoader::loadImage(Frame* frame, const KURL& url)
{
if (!frame->document()->securityOrigin()->canDisplay(url)) {
FrameLoader::reportLocalLoadFailed(frame, url);
return;
}
ResourceRequest request(url);
#if PLATFORM(BLACKBERRY)
request.setTargetType(ResourceRequest::TargetIsImage);
#endif
request.setHTTPHeaderField("Cache-Control", "max-age=0");
String referrer = SecurityPolicy::generateReferrerHeader(frame->document()->referrerPolicy(), request.url(), frame->loader()->outgoingReferrer());
if (!referrer.isEmpty())
request.setHTTPReferrer(referrer);
frame->loader()->addExtraFieldsToSubresourceRequest(request);
OwnPtr<PingLoader> pingLoader = adoptPtr(new PingLoader(frame, request));
// Leak the ping loader, since it will kill itself as soon as it receives a response.
PingLoader* leakedPingLoader = pingLoader.leakPtr();
UNUSED_PARAM(leakedPingLoader);
}
// http://www.whatwg.org/specs/web-apps/current-work/multipage/links.html#hyperlink-auditing
void PingLoader::sendPing(Frame* frame, const KURL& pingURL, const KURL& destinationURL)
{
ResourceRequest request(pingURL);
#if PLATFORM(BLACKBERRY)
request.setTargetType(ResourceRequest::TargetIsSubresource);
#endif
request.setHTTPMethod("POST");
request.setHTTPContentType("text/ping");
request.setHTTPBody(FormData::create("PING"));
request.setHTTPHeaderField("Cache-Control", "max-age=0");
frame->loader()->addExtraFieldsToSubresourceRequest(request);
SecurityOrigin* sourceOrigin = frame->document()->securityOrigin();
RefPtr<SecurityOrigin> pingOrigin = SecurityOrigin::create(pingURL);
FrameLoader::addHTTPOriginIfNeeded(request, sourceOrigin->toString());
request.setHTTPHeaderField("Ping-To", destinationURL);
if (!SecurityPolicy::shouldHideReferrer(pingURL, frame->loader()->outgoingReferrer())) {
request.setHTTPHeaderField("Ping-From", frame->document()->url());
if (!sourceOrigin->isSameSchemeHostPort(pingOrigin.get())) {
String referrer = SecurityPolicy::generateReferrerHeader(frame->document()->referrerPolicy(), pingURL, frame->loader()->outgoingReferrer());
if (!referrer.isEmpty())
request.setHTTPReferrer(referrer);
}
}
OwnPtr<PingLoader> pingLoader = adoptPtr(new PingLoader(frame, request));
// Leak the ping loader, since it will kill itself as soon as it receives a response.
PingLoader* leakedPingLoader = pingLoader.leakPtr();
UNUSED_PARAM(leakedPingLoader);
}
void PingLoader::sendViolationReport(Frame* frame, const KURL& reportURL, PassRefPtr<FormData> report)
{
ResourceRequest request(reportURL);
#if PLATFORM(BLACKBERRY)
request.setTargetType(ResourceRequest::TargetIsSubresource);
#endif
request.setHTTPMethod("POST");
request.setHTTPContentType("application/json");
request.setHTTPBody(report);
frame->loader()->addExtraFieldsToSubresourceRequest(request);
String referrer = SecurityPolicy::generateReferrerHeader(frame->document()->referrerPolicy(), reportURL, frame->loader()->outgoingReferrer());
if (!referrer.isEmpty())
request.setHTTPReferrer(referrer);
OwnPtr<PingLoader> pingLoader = adoptPtr(new PingLoader(frame, request));
// Leak the ping loader, since it will kill itself as soon as it receives a response.
PingLoader* leakedPingLoader = pingLoader.leakPtr();
UNUSED_PARAM(leakedPingLoader);
}
PingLoader::PingLoader(Frame* frame, ResourceRequest& request)
: m_timeout(this, &PingLoader::timeout)
{
unsigned long identifier = frame->page()->progress()->createUniqueIdentifier();
// FIXME: Why activeDocumentLoader? I would have expected documentLoader().
// Itseems like the PingLoader should be associated with the current
// Document in the Frame, but the activeDocumentLoader will be associated
// with the provisional DocumentLoader if there is a provisional
// DocumentLoader.
m_shouldUseCredentialStorage = frame->loader()->client()->shouldUseCredentialStorage(frame->loader()->activeDocumentLoader(), identifier);
m_handle = ResourceHandle::create(frame->loader()->networkingContext(), request, this, false, false);
InspectorInstrumentation::continueAfterPingLoader(frame, identifier, frame->loader()->activeDocumentLoader(), request, ResourceResponse());
// If the server never responds, FrameLoader won't be able to cancel this load and
// we'll sit here waiting forever. Set a very generous timeout, just in case.
m_timeout.startOneShot(60000);
}
PingLoader::~PingLoader()
{
if (m_handle)
m_handle->cancel();
}
}
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