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 #include "config.h"
33 #include "PingLoader.h"
34
35 #include "Document.h"
36 #include "FormData.h"
37 #include "Frame.h"
38 #include "FrameLoaderClient.h"
39 #include "InspectorInstrumentation.h"
40 #include "Page.h"
41 #include "ProgressTracker.h"
42 #include "ResourceHandle.h"
43 #include "SecurityOrigin.h"
44 #include <wtf/OwnPtr.h>
45 #include <wtf/UnusedParam.h>
46 #include <wtf/text/CString.h>
47
48 namespace WebCore {
49
loadImage(Frame * frame,const KURL & url)50 void PingLoader::loadImage(Frame* frame, const KURL& url)
51 {
52 if (!frame->document()->securityOrigin()->canDisplay(url)) {
53 FrameLoader::reportLocalLoadFailed(frame, url);
54 return;
55 }
56
57 ResourceRequest request(url);
58 request.setTargetType(ResourceRequest::TargetIsImage);
59 request.setHTTPHeaderField("Cache-Control", "max-age=0");
60 if (!SecurityOrigin::shouldHideReferrer(request.url(), frame->loader()->outgoingReferrer()))
61 request.setHTTPReferrer(frame->loader()->outgoingReferrer());
62 frame->loader()->addExtraFieldsToSubresourceRequest(request);
63 OwnPtr<PingLoader> pingLoader = adoptPtr(new PingLoader(frame, request));
64
65 // Leak the ping loader, since it will kill itself as soon as it receives a response.
66 PingLoader* leakedPingLoader = pingLoader.leakPtr();
67 UNUSED_PARAM(leakedPingLoader);
68 }
69
70 // http://www.whatwg.org/specs/web-apps/current-work/multipage/links.html#hyperlink-auditing
sendPing(Frame * frame,const KURL & pingURL,const KURL & destinationURL)71 void PingLoader::sendPing(Frame* frame, const KURL& pingURL, const KURL& destinationURL)
72 {
73 ResourceRequest request(pingURL);
74 request.setTargetType(ResourceRequest::TargetIsSubresource);
75 request.setHTTPMethod("POST");
76 request.setHTTPContentType("text/ping");
77 request.setHTTPBody(FormData::create("PING"));
78 request.setHTTPHeaderField("Cache-Control", "max-age=0");
79 frame->loader()->addExtraFieldsToSubresourceRequest(request);
80
81 SecurityOrigin* sourceOrigin = frame->document()->securityOrigin();
82 RefPtr<SecurityOrigin> pingOrigin = SecurityOrigin::create(pingURL);
83 FrameLoader::addHTTPOriginIfNeeded(request, sourceOrigin->toString());
84 request.setHTTPHeaderField("Ping-To", destinationURL);
85 if (sourceOrigin->isSameSchemeHostPort(pingOrigin.get()))
86 request.setHTTPHeaderField("Ping-From", frame->document()->url());
87 else if (!SecurityOrigin::shouldHideReferrer(pingURL, frame->loader()->outgoingReferrer()))
88 request.setHTTPReferrer(frame->loader()->outgoingReferrer());
89 OwnPtr<PingLoader> pingLoader = adoptPtr(new PingLoader(frame, request));
90
91 // Leak the ping loader, since it will kill itself as soon as it receives a response.
92 PingLoader* leakedPingLoader = pingLoader.leakPtr();
93 UNUSED_PARAM(leakedPingLoader);
94 }
95
reportContentSecurityPolicyViolation(Frame * frame,const KURL & reportURL,PassRefPtr<FormData> report)96 void PingLoader::reportContentSecurityPolicyViolation(Frame* frame, const KURL& reportURL, PassRefPtr<FormData> report)
97 {
98 ResourceRequest request(reportURL);
99 request.setTargetType(ResourceRequest::TargetIsSubresource);
100 request.setHTTPMethod("POST");
101 request.setHTTPContentType("application/x-www-form-urlencoded");
102 request.setHTTPBody(report);
103 frame->loader()->addExtraFieldsToSubresourceRequest(request);
104
105 if (!SecurityOrigin::shouldHideReferrer(reportURL, frame->loader()->outgoingReferrer()))
106 request.setHTTPReferrer(frame->loader()->outgoingReferrer());
107 OwnPtr<PingLoader> pingLoader = adoptPtr(new PingLoader(frame, request));
108
109 // Leak the ping loader, since it will kill itself as soon as it receives a response.
110 PingLoader* leakedPingLoader = pingLoader.leakPtr();
111 UNUSED_PARAM(leakedPingLoader);
112 }
113
PingLoader(Frame * frame,ResourceRequest & request)114 PingLoader::PingLoader(Frame* frame, ResourceRequest& request)
115 : m_timeout(this, &PingLoader::timeout)
116 {
117 unsigned long identifier = frame->page()->progress()->createUniqueIdentifier();
118 m_shouldUseCredentialStorage = frame->loader()->client()->shouldUseCredentialStorage(frame->loader()->activeDocumentLoader(), identifier);
119 m_handle = ResourceHandle::create(frame->loader()->networkingContext(), request, this, false, false);
120
121 InspectorInstrumentation::continueAfterPingLoader(frame, identifier, frame->loader()->activeDocumentLoader(), request, ResourceResponse());
122
123 // If the server never responds, FrameLoader won't be able to cancel this load and
124 // we'll sit here waiting forever. Set a very generous timeout, just in case.
125 m_timeout.startOneShot(60000);
126 }
127
~PingLoader()128 PingLoader::~PingLoader()
129 {
130 m_handle->cancel();
131 }
132
133 }
134