1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/*
* 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 "FormData.h"
#include "Frame.h"
#include "FrameLoaderClient.h"
#include "Page.h"
#include "ProgressTracker.h"
#include "ResourceHandle.h"
#include "SecurityOrigin.h"
#include <wtf/OwnPtr.h>
#include <wtf/UnusedParam.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);
request.setTargetType(ResourceRequest::TargetIsImage);
request.setHTTPHeaderField("Cache-Control", "max-age=0");
if (!SecurityOrigin::shouldHideReferrer(request.url(), frame->loader()->outgoingReferrer()))
request.setHTTPReferrer(frame->loader()->outgoingReferrer());
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);
request.setTargetType(ResourceRequest::TargetIsSubresource);
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 (sourceOrigin->isSameSchemeHostPort(pingOrigin.get()))
request.setHTTPHeaderField("Ping-From", frame->document()->url());
else if (!SecurityOrigin::shouldHideReferrer(pingURL, frame->loader()->outgoingReferrer()))
request.setHTTPReferrer(frame->loader()->outgoingReferrer());
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, const ResourceRequest& request)
: m_timeout(this, &PingLoader::timeout)
{
unsigned long identifier = frame->page()->progress()->createUniqueIdentifier();
m_shouldUseCredentialStorage = frame->loader()->client()->shouldUseCredentialStorage(frame->loader()->activeDocumentLoader(), identifier);
m_handle = ResourceHandle::create(frame->loader()->networkingContext(), request, this, false, false);
// 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()
{
m_handle->cancel();
}
}
|
