code.vuplus.com Git - vuplus_webkit/blob - Source/WebCore/loader/PingLoader.cpp

   1 /*
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  11  * copyright notice, this list of conditions and the following disclaimer
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  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
  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 #if PLATFORM(CHROMIUM)
  59     request.setTargetType(ResourceRequest::TargetIsImage);
  60 #endif
  61     request.setHTTPHeaderField("Cache-Control", "max-age=0");
  62     if (!SecurityOrigin::shouldHideReferrer(request.url(), frame->loader()->outgoingReferrer()))
  63         request.setHTTPReferrer(frame->loader()->outgoingReferrer());
  64     frame->loader()->addExtraFieldsToSubresourceRequest(request);
  65     OwnPtr<PingLoader> pingLoader = adoptPtr(new PingLoader(frame, request));
  66
  67     // Leak the ping loader, since it will kill itself as soon as it receives a response.
  68     PingLoader* leakedPingLoader = pingLoader.leakPtr();
  69     UNUSED_PARAM(leakedPingLoader);
  70 }
  71
  72 // http://www.whatwg.org/specs/web-apps/current-work/multipage/links.html#hyperlink-auditing
  73 void PingLoader::sendPing(Frame* frame, const KURL& pingURL, const KURL& destinationURL)
  74 {
  75     ResourceRequest request(pingURL);
  76 #if PLATFORM(CHROMIUM)
  77     request.setTargetType(ResourceRequest::TargetIsSubresource);
  78 #endif
  79     request.setHTTPMethod("POST");
  80     request.setHTTPContentType("text/ping");
  81     request.setHTTPBody(FormData::create("PING"));
  82     request.setHTTPHeaderField("Cache-Control", "max-age=0");
  83     frame->loader()->addExtraFieldsToSubresourceRequest(request);
  84
  85     SecurityOrigin* sourceOrigin = frame->document()->securityOrigin();
  86     RefPtr<SecurityOrigin> pingOrigin = SecurityOrigin::create(pingURL);
  87     FrameLoader::addHTTPOriginIfNeeded(request, sourceOrigin->toString());
  88     request.setHTTPHeaderField("Ping-To", destinationURL);
  89     if (!SecurityOrigin::shouldHideReferrer(pingURL, frame->loader()->outgoingReferrer())) {
  90       request.setHTTPHeaderField("Ping-From", frame->document()->url());
  91       if (!sourceOrigin->isSameSchemeHostPort(pingOrigin.get()))
  92         request.setHTTPReferrer(frame->loader()->outgoingReferrer());
  93     }
  94     OwnPtr<PingLoader> pingLoader = adoptPtr(new PingLoader(frame, request));
  95
  96     // Leak the ping loader, since it will kill itself as soon as it receives a response.
  97     PingLoader* leakedPingLoader = pingLoader.leakPtr();
  98     UNUSED_PARAM(leakedPingLoader);
  99 }
 100
 101 void PingLoader::reportContentSecurityPolicyViolation(Frame* frame, const KURL& reportURL, PassRefPtr<FormData> report)
 102 {
 103     ResourceRequest request(reportURL);
 104 #if PLATFORM(CHROMIUM)
 105     request.setTargetType(ResourceRequest::TargetIsSubresource);
 106 #endif
 107     request.setHTTPMethod("POST");
 108     request.setHTTPContentType("application/x-www-form-urlencoded");
 109     request.setHTTPBody(report);
 110     frame->loader()->addExtraFieldsToSubresourceRequest(request);
 111
 112     if (!SecurityOrigin::shouldHideReferrer(reportURL, frame->loader()->outgoingReferrer()))
 113         request.setHTTPReferrer(frame->loader()->outgoingReferrer());
 114     OwnPtr<PingLoader> pingLoader = adoptPtr(new PingLoader(frame, request));
 115
 116     // Leak the ping loader, since it will kill itself as soon as it receives a response.
 117     PingLoader* leakedPingLoader = pingLoader.leakPtr();
 118     UNUSED_PARAM(leakedPingLoader);
 119 }
 120
 121 PingLoader::PingLoader(Frame* frame, ResourceRequest& request)
 122     : m_timeout(this, &PingLoader::timeout)
 123 {
 124     unsigned long identifier = frame->page()->progress()->createUniqueIdentifier();
 125     // FIXME: Why activeDocumentLoader? I would have expected documentLoader().
 126     // Itseems like the PingLoader should be associated with the current
 127     // Document in the Frame, but the activeDocumentLoader will be associated
 128     // with the provisional DocumentLoader if there is a provisional
 129     // DocumentLoader.
 130     m_shouldUseCredentialStorage = frame->loader()->client()->shouldUseCredentialStorage(frame->loader()->activeDocumentLoader(), identifier);
 131     m_handle = ResourceHandle::create(frame->loader()->networkingContext(), request, this, false, false);
 132
 133     InspectorInstrumentation::continueAfterPingLoader(frame, identifier, frame->loader()->activeDocumentLoader(), request, ResourceResponse());
 134
 135     // If the server never responds, FrameLoader won't be able to cancel this load and
 136     // we'll sit here waiting forever. Set a very generous timeout, just in case.
 137     m_timeout.startOneShot(60000);
 138 }
 139
 140 PingLoader::~PingLoader()
 141 {
 142     if (m_handle)
 143         m_handle->cancel();
 144 }
 145
 146 }