1 /* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * 30 */ 31 32 #ifndef PingLoader_h 33 #define PingLoader_h 34 35 #include "core/fetch/ResourceLoaderOptions.h" 36 #include "platform/Timer.h" 37 #include "public/platform/WebURLLoaderClient.h" 38 #include "wtf/Noncopyable.h" 39 #include "wtf/RefPtr.h" 40 41 namespace WebCore { 42 43 class FormData; 44 class Frame; 45 class KURL; 46 class ResourceError; 47 class ResourceHandle; 48 class ResourceRequest; 49 class ResourceResponse; 50 51 // This class triggers asynchronous loads independent of Frame staying alive (i.e., auditing pingbacks). 52 // Since nothing depends on resources loaded through this class, we just want 53 // to allow the load to live long enough to ensure the message was actually sent. 54 // Therefore, as soon as a callback is received from the ResourceHandle, this class 55 // will cancel the load and delete itself. 56 class PingLoader : private blink::WebURLLoaderClient { 57 WTF_MAKE_NONCOPYABLE(PingLoader); WTF_MAKE_FAST_ALLOCATED; 58 public: 59 enum ViolationReportType { 60 ContentSecurityPolicyViolationReport, 61 XSSAuditorViolationReport 62 }; 63 64 static void loadImage(Frame*, const KURL& url); 65 static void sendPing(Frame*, const KURL& pingURL, const KURL& destinationURL); 66 static void sendViolationReport(Frame*, const KURL& reportURL, PassRefPtr<FormData> report, ViolationReportType); 67 68 virtual ~PingLoader(); 69 70 private: 71 PingLoader(Frame*, ResourceRequest&, StoredCredentials = AllowStoredCredentials); 72 didReceiveResponse(blink::WebURLLoader *,const blink::WebURLResponse &)73 virtual void didReceiveResponse(blink::WebURLLoader*, const blink::WebURLResponse&) OVERRIDE { delete this; } didReceiveData(blink::WebURLLoader *,const char *,int,int)74 virtual void didReceiveData(blink::WebURLLoader*, const char*, int, int) OVERRIDE { delete this; } didFinishLoading(blink::WebURLLoader *,double)75 virtual void didFinishLoading(blink::WebURLLoader*, double) OVERRIDE { delete this; } didFail(blink::WebURLLoader *,const blink::WebURLError &)76 virtual void didFail(blink::WebURLLoader*, const blink::WebURLError&) OVERRIDE { delete this; } timeout(Timer<PingLoader> *)77 void timeout(Timer<PingLoader>*) { delete this; } 78 79 OwnPtr<blink::WebURLLoader> m_loader; 80 Timer<PingLoader> m_timeout; 81 }; 82 83 } 84 85 #endif 86