src/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp

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  30
  31 #include "config.h"
  32 #include "core/loader/FrameFetchContext.h"
  33
  34 #include "core/dom/Document.h"
  35 #include "core/frame/LocalFrame.h"
  36 #include "core/inspector/InspectorInstrumentation.h"
  37 #include "core/inspector/InspectorTraceEvents.h"
  38 #include "core/loader/DocumentLoader.h"
  39 #include "core/loader/FrameLoader.h"
  40 #include "core/loader/FrameLoaderClient.h"
  41 #include "core/loader/ProgressTracker.h"
  42 #include "core/page/Page.h"
  43 #include "core/frame/Settings.h"
  44 #include "platform/weborigin/SecurityPolicy.h"
  45
  46 namespace blink {
  47
  48 FrameFetchContext::FrameFetchContext(LocalFrame* frame)
  49     : m_frame(frame)
  50 {
  51 }
  52
  53 void FrameFetchContext::reportLocalLoadFailed(const KURL& url)
  54 {
  55     FrameLoader::reportLocalLoadFailed(m_frame, url.elidedString());
  56 }
  57
  58 void FrameFetchContext::addAdditionalRequestHeaders(Document* document, ResourceRequest& request, FetchResourceType type)
  59 {
  60     bool isMainResource = type == FetchMainResource;
  61     if (!isMainResource) {
  62         String outgoingReferrer;
  63         String outgoingOrigin;
  64         if (request.httpReferrer().isNull()) {
  65             outgoingReferrer = document->outgoingReferrer();
  66             outgoingOrigin = document->outgoingOrigin();
  67         } else {
  68             outgoingReferrer = request.httpReferrer();
  69             outgoingOrigin = SecurityOrigin::createFromString(outgoingReferrer)->toString();
  70         }
  71
  72         outgoingReferrer = SecurityPolicy::generateReferrerHeader(document->referrerPolicy(), request.url(), outgoingReferrer);
  73         if (outgoingReferrer.isEmpty())
  74             request.clearHTTPReferrer();
  75         else if (!request.httpReferrer())
  76             request.setHTTPReferrer(Referrer(outgoingReferrer, document->referrerPolicy()));
  77
  78         request.addHTTPOriginIfNeeded(AtomicString(outgoingOrigin));
  79     }
  80
  81     // The remaining modifications are only necessary for HTTP and HTTPS.
  82     if (!request.url().isEmpty() && !request.url().protocolIsInHTTPFamily())
  83         return;
  84
  85     m_frame->loader().applyUserAgent(request);
  86 }
  87
  88 void FrameFetchContext::setFirstPartyForCookies(ResourceRequest& request)
  89 {
  90     if (m_frame->tree().top()->isLocalFrame())
  91         request.setFirstPartyForCookies(toLocalFrame(m_frame->tree().top())->document()->firstPartyForCookies());
  92 }
  93
  94 CachePolicy FrameFetchContext::cachePolicy(Document* document) const
  95 {
  96     if (document && document->loadEventFinished())
  97         return CachePolicyVerify;
  98
  99     FrameLoadType loadType = m_frame->loader().loadType();
 100     if (loadType == FrameLoadTypeReloadFromOrigin)
 101         return CachePolicyReload;
 102
 103     Frame* parentFrame = m_frame->tree().parent();
 104     if (parentFrame && parentFrame->isLocalFrame()) {
 105         CachePolicy parentCachePolicy = toLocalFrame(parentFrame)->loader().fetchContext().cachePolicy(toLocalFrame(parentFrame)->document());
 106         if (parentCachePolicy != CachePolicyVerify)
 107             return parentCachePolicy;
 108     }
 109
 110     if (loadType == FrameLoadTypeReload)
 111         return CachePolicyRevalidate;
 112
 113     DocumentLoader* loader = document ? document->loader() : 0;
 114     if (loader && loader->request().cachePolicy() == ReturnCacheDataElseLoad)
 115         return CachePolicyHistoryBuffer;
 116     return CachePolicyVerify;
 117
 118 }
 119
 120 // FIXME(http://crbug.com/274173):
 121 // |loader| can be null if the resource is loaded from imported document.
 122 // This means inspector, which uses DocumentLoader as an grouping entity,
 123 // cannot see imported documents.
 124 inline DocumentLoader* FrameFetchContext::ensureLoader(DocumentLoader* loader)
 125 {
 126     return loader ? loader : m_frame->loader().documentLoader();
 127 }
 128
 129 void FrameFetchContext::dispatchDidChangeResourcePriority(unsigned long identifier, ResourceLoadPriority loadPriority, int intraPriorityValue)
 130 {
 131     m_frame->loader().client()->dispatchDidChangeResourcePriority(identifier, loadPriority, intraPriorityValue);
 132 }
 133
 134 void FrameFetchContext::dispatchWillSendRequest(DocumentLoader* loader, unsigned long identifier, ResourceRequest& request, const ResourceResponse& redirectResponse, const FetchInitiatorInfo& initiatorInfo)
 135 {
 136     m_frame->loader().applyUserAgent(request);
 137     m_frame->loader().client()->dispatchWillSendRequest(loader, identifier, request, redirectResponse);
 138     TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "ResourceSendRequest", "data", InspectorSendRequestEvent::data(identifier, m_frame, request));
 139     TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline.stack"), "CallStack", "stack", InspectorCallStackEvent::currentCallStack());
 140     // FIXME(361045): remove InspectorInstrumentation calls once DevTools Timeline migrates to tracing.
 141     InspectorInstrumentation::willSendRequest(m_frame, identifier, ensureLoader(loader), request, redirectResponse, initiatorInfo);
 142 }
 143
 144 void FrameFetchContext::dispatchDidLoadResourceFromMemoryCache(const ResourceRequest& request, const ResourceResponse& response)
 145 {
 146     m_frame->loader().client()->dispatchDidLoadResourceFromMemoryCache(request, response);
 147 }
 148
 149 void FrameFetchContext::dispatchDidReceiveResponse(DocumentLoader* loader, unsigned long identifier, const ResourceResponse& r, ResourceLoader* resourceLoader)
 150 {
 151     m_frame->loader().progress().incrementProgress(identifier, r);
 152     m_frame->loader().client()->dispatchDidReceiveResponse(loader, identifier, r);
 153     TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "ResourceReceiveResponse", "data", InspectorReceiveResponseEvent::data(identifier, m_frame, r));
 154     // FIXME(361045): remove InspectorInstrumentation calls once DevTools Timeline migrates to tracing.
 155     InspectorInstrumentation::didReceiveResourceResponse(m_frame, identifier, ensureLoader(loader), r, resourceLoader);
 156 }
 157
 158 void FrameFetchContext::dispatchDidReceiveData(DocumentLoader*, unsigned long identifier, const char* data, int dataLength, int encodedDataLength)
 159 {
 160     m_frame->loader().progress().incrementProgress(identifier, data, dataLength);
 161     TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "ResourceReceivedData", "data", InspectorReceiveDataEvent::data(identifier, m_frame, encodedDataLength));
 162     // FIXME(361045): remove InspectorInstrumentation calls once DevTools Timeline migrates to tracing.
 163     InspectorInstrumentation::didReceiveData(m_frame, identifier, data, dataLength, encodedDataLength);
 164 }
 165
 166 void FrameFetchContext::dispatchDidDownloadData(DocumentLoader*, unsigned long identifier, int dataLength, int encodedDataLength)
 167 {
 168     m_frame->loader().progress().incrementProgress(identifier, 0, dataLength);
 169     TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "ResourceReceivedData", "data", InspectorReceiveDataEvent::data(identifier, m_frame, encodedDataLength));
 170     // FIXME(361045): remove InspectorInstrumentation calls once DevTools Timeline migrates to tracing.
 171     InspectorInstrumentation::didReceiveData(m_frame, identifier, 0, dataLength, encodedDataLength);
 172 }
 173
 174 void FrameFetchContext::dispatchDidFinishLoading(DocumentLoader* loader, unsigned long identifier, double finishTime, int64_t encodedDataLength)
 175 {
 176     m_frame->loader().progress().completeProgress(identifier);
 177     m_frame->loader().client()->dispatchDidFinishLoading(loader, identifier);
 178
 179     TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "ResourceFinish", "data", InspectorResourceFinishEvent::data(identifier, finishTime, false));
 180     // FIXME(361045): remove InspectorInstrumentation calls once DevTools Timeline migrates to tracing.
 181     InspectorInstrumentation::didFinishLoading(m_frame, identifier, ensureLoader(loader), finishTime, encodedDataLength);
 182 }
 183
 184 void FrameFetchContext::dispatchDidFail(DocumentLoader* loader, unsigned long identifier, const ResourceError& error)
 185 {
 186     m_frame->loader().progress().completeProgress(identifier);
 187     TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "ResourceFinish", "data", InspectorResourceFinishEvent::data(identifier, 0, true));
 188     // FIXME(361045): remove InspectorInstrumentation calls once DevTools Timeline migrates to tracing.
 189     InspectorInstrumentation::didFailLoading(m_frame, identifier, error);
 190 }
 191
 192 void FrameFetchContext::sendRemainingDelegateMessages(DocumentLoader* loader, unsigned long identifier, const ResourceResponse& response, int dataLength)
 193 {
 194     if (!response.isNull())
 195         dispatchDidReceiveResponse(ensureLoader(loader), identifier, response);
 196
 197     if (dataLength > 0)
 198         dispatchDidReceiveData(ensureLoader(loader), identifier, 0, dataLength, 0);
 199
 200     dispatchDidFinishLoading(ensureLoader(loader), identifier, 0, 0);
 201 }
 202
 203 } // namespace blink