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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.
*
*/
#ifndef PingLoader_h
#define PingLoader_h
#include "core/fetch/ResourceLoaderOptions.h"
#include "core/page/PageLifecycleObserver.h"
#include "platform/Timer.h"
#include "public/platform/WebURLLoaderClient.h"
#include "wtf/Noncopyable.h"
#include "wtf/RefPtr.h"
namespace WebCore {
class FormData;
class LocalFrame;
class KURL;
class ResourceError;
class ResourceHandle;
class ResourceRequest;
class ResourceResponse;
// Issue an asynchronous, one-directional request at some resources, ignoring
// any response. The request is made independent of any LocalFrame staying alive,
// and must only stay alive until the transmission has completed successfully
// (or not -- errors are not propagated back either.) Upon transmission, the
// the load is cancelled and the loader cancels itself.
//
// The ping loader is used by audit pings, beacon transmissions and image loads
// during page unloading.
//
class PingLoader : public PageLifecycleObserver, private blink::WebURLLoaderClient {
WTF_MAKE_NONCOPYABLE(PingLoader);
WTF_MAKE_FAST_ALLOCATED;
public:
virtual ~PingLoader();
enum ViolationReportType {
ContentSecurityPolicyViolationReport,
XSSAuditorViolationReport
};
static void loadImage(LocalFrame*, const KURL& url);
static void sendLinkAuditPing(LocalFrame*, const KURL& pingURL, const KURL& destinationURL);
static void sendViolationReport(LocalFrame*, const KURL& reportURL, PassRefPtr<FormData> report, ViolationReportType);
protected:
PingLoader(LocalFrame*, ResourceRequest&, const FetchInitiatorInfo&, StoredCredentials);
static void start(LocalFrame*, ResourceRequest&, const FetchInitiatorInfo&, StoredCredentials = AllowStoredCredentials);
private:
virtual void didReceiveResponse(blink::WebURLLoader*, const blink::WebURLResponse&) OVERRIDE;
virtual void didReceiveData(blink::WebURLLoader*, const char*, int, int) OVERRIDE;
virtual void didFinishLoading(blink::WebURLLoader*, double, int64_t) OVERRIDE;
virtual void didFail(blink::WebURLLoader*, const blink::WebURLError&) OVERRIDE;
void timeout(Timer<PingLoader>*);
OwnPtr<blink::WebURLLoader> m_loader;
Timer<PingLoader> m_timeout;
String m_url;
unsigned long m_identifier;
};
}
#endif // PingLoader_h
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