void DocumentLoader::dataReceived(Resource* resource, const char* data, unsigned length) { ASSERT(data); ASSERT(length); ASSERT_UNUSED(resource, resource == m_mainResource); ASSERT(!m_response.isNull()); ASSERT(!mainResourceLoader() || !mainResourceLoader()->defersLoading()); // Both unloading the old page and parsing the new page may execute JavaScript which destroys the datasource // by starting a new load, so retain temporarily. RefPtrWillBeRawPtr<LocalFrame> protectFrame(m_frame); RefPtr<DocumentLoader> protectLoader(this); m_applicationCacheHost->mainResourceDataReceived(data, length); m_timeOfLastDataReceived = monotonicallyIncreasingTime(); if (isArchiveMIMEType(response().mimeType())) return; commitIfReady(); if (!frameLoader()) return; commitData(data, length); // If we are sending data to MediaDocument, we should stop here // and cancel the request. if (m_frame && m_frame->document()->isMediaDocument()) cancelMainResourceLoad(ResourceError::cancelledError(m_request.url())); }
void DocumentLoader::unschedule(SchedulePair& pair) { if (mainResourceLoader()) mainResourceLoader()->unschedule(pair); unscheduleAll(m_subresourceLoaders, pair); unscheduleAll(m_plugInStreamLoaders, pair); unscheduleAll(m_multipartSubresourceLoaders, pair); }
void DocumentLoader::responseReceived(Resource* resource, const ResourceResponse& response) { ASSERT_UNUSED(resource, m_mainResource == resource); RefPtr<DocumentLoader> protect(this); m_applicationCacheHost->didReceiveResponseForMainResource(response); // The memory cache doesn't understand the application cache or its caching rules. So if a main resource is served // from the application cache, ensure we don't save the result for future use. All responses loaded // from appcache will have a non-zero appCacheID(). if (response.appCacheID()) memoryCache()->remove(m_mainResource.get()); DEFINE_STATIC_LOCAL(AtomicString, xFrameOptionHeader, ("x-frame-options", AtomicString::ConstructFromLiteral)); HTTPHeaderMap::const_iterator it = response.httpHeaderFields().find(xFrameOptionHeader); if (it != response.httpHeaderFields().end()) { String content = it->value; ASSERT(m_mainResource); unsigned long identifier = mainResourceIdentifier(); ASSERT(identifier); if (frameLoader()->shouldInterruptLoadForXFrameOptions(content, response.url(), identifier)) { InspectorInstrumentation::continueAfterXFrameOptionsDenied(m_frame, this, identifier, response); String message = "Refused to display '" + response.url().elidedString() + "' in a frame because it set 'X-Frame-Options' to '" + content + "'."; frame()->document()->addConsoleMessageWithRequestIdentifier(SecurityMessageSource, ErrorMessageLevel, message, identifier); frame()->document()->enforceSandboxFlags(SandboxOrigin); if (HTMLFrameOwnerElement* ownerElement = frame()->ownerElement()) ownerElement->dispatchEvent(Event::create(EventTypeNames::load)); // The load event might have detached this frame. In that case, the load will already have been cancelled during detach. if (frameLoader()) cancelMainResourceLoad(ResourceError::cancelledError(m_request.url())); return; } } ASSERT(!mainResourceLoader() || !mainResourceLoader()->defersLoading()); m_response = response; if (isArchiveMIMEType(m_response.mimeType()) && m_mainResource->dataBufferingPolicy() != BufferData) m_mainResource->setDataBufferingPolicy(BufferData); if (!shouldContinueForResponse()) { InspectorInstrumentation::continueWithPolicyIgnore(m_frame, this, m_mainResource->identifier(), m_response); cancelMainResourceLoad(ResourceError::cancelledError(m_request.url())); return; } if (m_response.isHTTP()) { int status = m_response.httpStatusCode(); if ((status < 200 || status >= 300) && m_frame->ownerElement() && m_frame->ownerElement()->isObjectElement()) { m_frame->ownerElement()->renderFallbackContent(); // object elements are no longer rendered after we fallback, so don't // keep trying to process data from their load cancelMainResourceLoad(ResourceError::cancelledError(m_request.url())); } } }
void DocumentLoader::cancelMainResourceLoad(const ResourceError& resourceError) { RefPtr<DocumentLoader> protect(this); ResourceError error = resourceError.isNull() ? ResourceError::cancelledError(m_request.url()) : resourceError; if (mainResourceLoader()) mainResourceLoader()->cancel(error); mainReceivedError(error); }
void DocumentLoader::setDefersLoading(bool defers) { // Multiple frames may be loading the same main resource simultaneously. If deferral state changes, // each frame's DocumentLoader will try to send a setDefersLoading() to the same underlying ResourceLoader. Ensure only // the "owning" DocumentLoader does so, as setDefersLoading() is not resilient to setting the same value repeatedly. if (mainResourceLoader() && mainResourceLoader()->isLoadedBy(m_fetcher.get())) mainResourceLoader()->setDefersLoading(defers); m_fetcher->setDefersLoading(defers); }
void DocumentLoader::startLoadingMainResource() { m_mainDocumentError = ResourceError(); timing()->markNavigationStart(); ASSERT(!m_mainResource); ASSERT(!m_loadingMainResource); m_loadingMainResource = true; if (maybeLoadEmpty()) return; ASSERT(timing()->navigationStart()); ASSERT(!timing()->fetchStart()); timing()->markFetchStart(); willSendRequest(m_request, ResourceResponse()); // willSendRequest() may lead to our Frame being detached or cancelling the load via nulling the ResourceRequest. if (!m_frame || m_request.isNull()) return; m_applicationCacheHost->willStartLoadingMainResource(m_request); prepareSubframeArchiveLoadIfNeeded(); if (m_substituteData.isValid()) { m_identifierForLoadWithoutResourceLoader = createUniqueIdentifier(); frameLoader()->notifier()->dispatchWillSendRequest(this, m_identifierForLoadWithoutResourceLoader, m_request, ResourceResponse()); handleSubstituteDataLoadSoon(); return; } ResourceRequest request(m_request); DEFINE_STATIC_LOCAL(ResourceLoaderOptions, mainResourceLoadOptions, (SendCallbacks, SniffContent, DoNotBufferData, AllowStoredCredentials, ClientRequestedCredentials, AskClientForCrossOriginCredentials, SkipSecurityCheck, CheckContentSecurityPolicy, UseDefaultOriginRestrictionsForType)); CachedResourceRequest cachedResourceRequest(request, cachedResourceRequestInitiators().document, mainResourceLoadOptions); m_mainResource = m_cachedResourceLoader->requestMainResource(cachedResourceRequest); if (!m_mainResource) { setRequest(ResourceRequest()); // If the load was aborted by clearing m_request, it's possible the ApplicationCacheHost // is now in a state where starting an empty load will be inconsistent. Replace it with // a new ApplicationCacheHost. m_applicationCacheHost = adoptPtr(new ApplicationCacheHost(this)); maybeLoadEmpty(); return; } m_mainResource->addClient(this); // A bunch of headers are set when the underlying ResourceLoader is created, and m_request needs to include those. if (mainResourceLoader()) request = mainResourceLoader()->originalRequest(); // If there was a fragment identifier on m_request, the cache will have stripped it. m_request should include // the fragment identifier, so add that back in. if (equalIgnoringFragmentIdentifier(m_request.url(), request.url())) request.setURL(m_request.url()); setRequest(request); }
void DocumentLoader::cancelMainResourceLoad(const ResourceError& resourceError) { RefPtr<DocumentLoader> protect(this); ResourceError error = resourceError.isNull() ? frameLoader()->cancelledError(m_request) : resourceError; m_dataLoadTimer.stop(); if (mainResourceLoader()) mainResourceLoader()->cancel(error); mainReceivedError(error); }
void DocumentLoader::mainReceivedError(const ResourceError& error) { ASSERT(!error.isNull()); ASSERT(!mainResourceLoader() || !mainResourceLoader()->defersLoading() || InspectorInstrumentation::isDebuggerPaused(m_frame)); m_applicationCacheHost->failedLoadingMainResource(); if (!frameLoader()) return; setMainDocumentError(error); clearMainResourceLoader(); frameLoader()->receivedMainResourceError(this, error); clearMainResourceHandle(); }
void DocumentLoader::addResourceLoader(ResourceLoader* loader) { // The main resource's underlying ResourceLoader will ask to be added here. // It is much simpler to handle special casing of main resource loads if we don't // let it be added. In the main resource load case, mainResourceLoader() // will still be null at this point, but m_gotFirstByte should be false here if and only // if we are just starting the main resource load. if (!m_gotFirstByte) return; ASSERT(!m_resourceLoaders.contains(loader)); ASSERT(!mainResourceLoader() || mainResourceLoader() != loader); m_resourceLoaders.add(loader); }
void DocumentLoader::startLoadingMainResource() { RefPtr<DocumentLoader> protect(this); m_mainDocumentError = ResourceError(); timing()->markNavigationStart(); ASSERT(!m_mainResource); ASSERT(!m_loadingMainResource); m_loadingMainResource = true; if (maybeLoadEmpty()) return; ASSERT(timing()->navigationStart()); ASSERT(!timing()->fetchStart()); timing()->markFetchStart(); willSendRequest(m_request, ResourceResponse()); // willSendRequest() may lead to our LocalFrame being detached or cancelling the load via nulling the ResourceRequest. if (!m_frame || m_request.isNull()) return; m_applicationCacheHost->willStartLoadingMainResource(m_request); prepareSubframeArchiveLoadIfNeeded(); ResourceRequest request(m_request); DEFINE_STATIC_LOCAL(ResourceLoaderOptions, mainResourceLoadOptions, (DoNotBufferData, AllowStoredCredentials, ClientRequestedCredentials, CheckContentSecurityPolicy, DocumentContext)); FetchRequest cachedResourceRequest(request, FetchInitiatorTypeNames::document, mainResourceLoadOptions); m_mainResource = m_fetcher->fetchMainResource(cachedResourceRequest, m_substituteData); if (!m_mainResource) { m_request = ResourceRequest(); // If the load was aborted by clearing m_request, it's possible the ApplicationCacheHost // is now in a state where starting an empty load will be inconsistent. Replace it with // a new ApplicationCacheHost. m_applicationCacheHost = ApplicationCacheHost::create(this); maybeLoadEmpty(); return; } m_mainResource->addClient(this); // A bunch of headers are set when the underlying ResourceLoader is created, and m_request needs to include those. if (mainResourceLoader()) request = mainResourceLoader()->originalRequest(); // If there was a fragment identifier on m_request, the cache will have stripped it. m_request should include // the fragment identifier, so add that back in. if (equalIgnoringFragmentIdentifier(m_request.url(), request.url())) request.setURL(m_request.url()); m_request = request; }
void DocumentLoader::startLoadingMainResource() { timing().markNavigationStart(); ASSERT(!m_mainResource); ASSERT(m_state == NotStarted); m_state = Provisional; if (maybeLoadEmpty()) return; ASSERT(timing().navigationStart()); ASSERT(!timing().fetchStart()); timing().markFetchStart(); DEFINE_STATIC_LOCAL(ResourceLoaderOptions, mainResourceLoadOptions, (DoNotBufferData, AllowStoredCredentials, ClientRequestedCredentials, CheckContentSecurityPolicy, DocumentContext)); FetchRequest fetchRequest(m_request, FetchInitiatorTypeNames::document, mainResourceLoadOptions); m_mainResource = RawResource::fetchMainResource(fetchRequest, fetcher(), m_substituteData); if (!m_mainResource) { m_request = ResourceRequest(blankURL()); maybeLoadEmpty(); return; } // A bunch of headers are set when the underlying ResourceLoader is created, and m_request needs to include those. // Even when using a cached resource, we may make some modification to the request, e.g. adding the referer header. m_request = mainResourceLoader() ? m_mainResource->resourceRequest() : fetchRequest.resourceRequest(); m_mainResource->addClient(this); }
void DocumentLoader::dataReceived(CachedResource* resource, const char* data, int length) { ASSERT(data); ASSERT(length); ASSERT_UNUSED(resource, resource == m_mainResource); ASSERT(!m_response.isNull()); ASSERT(!mainResourceLoader() || !mainResourceLoader()->defersLoading()); if (m_identifierForLoadWithoutResourceLoader) frameLoader()->notifier()->dispatchDidReceiveData(this, m_identifierForLoadWithoutResourceLoader, data, length, -1); m_applicationCacheHost->mainResourceDataReceived(data, length); m_timeOfLastDataReceived = monotonicallyIncreasingTime(); commitLoad(data, length); }
void DocumentLoader::mainReceivedError(const ResourceError& error) { ASSERT(!error.isNull()); if (m_identifierForLoadWithoutResourceLoader) { ASSERT(!mainResourceLoader()); frameLoader()->client()->dispatchDidFailLoading(this, m_identifierForLoadWithoutResourceLoader, error); } ASSERT(!mainResourceLoader() || !mainResourceLoader()->defersLoading()); m_applicationCacheHost->failedLoadingMainResource(); if (!frameLoader()) return; setMainDocumentError(error); clearMainResourceLoader(); frameLoader()->receivedMainResourceError(error); clearMainResourceHandle(); }
void DocumentLoader::finishedLoading(double finishTime) { ASSERT(!mainResourceLoader() || !mainResourceLoader()->defersLoading() || InspectorInstrumentation::isDebuggerPaused(m_frame)); RefPtr<DocumentLoader> protect(this); double responseEndTime = finishTime; if (!responseEndTime) responseEndTime = m_timeOfLastDataReceived; if (!responseEndTime) responseEndTime = monotonicallyIncreasingTime(); timing()->setResponseEnd(responseEndTime); commitIfReady(); if (!frameLoader()) return; if (!maybeCreateArchive()) { // If this is an empty document, it will not have actually been created yet. Commit dummy data so that // DocumentWriter::begin() gets called and creates the Document. if (!m_writer) commitData(0, 0); } endWriting(m_writer.get()); if (!m_mainDocumentError.isNull()) return; clearMainResourceLoader(); if (!frameLoader()->stateMachine()->creatingInitialEmptyDocument()) frameLoader()->checkLoadComplete(); // If the document specified an application cache manifest, it violates the author's intent if we store it in the memory cache // and deny the appcache the chance to intercept it in the future, so remove from the memory cache. if (m_frame) { if (m_mainResource && m_frame->document()->hasAppCacheManifest()) memoryCache()->remove(m_mainResource.get()); } m_applicationCacheHost->finishedLoadingMainResource(); clearMainResourceHandle(); }
void DocumentLoader::attachThreadedDataReceiver(PassOwnPtr<blink::WebThreadedDataReceiver> threadedDataReceiver) { if (mainResourceLoader()) mainResourceLoader()->attachThreadedDataReceiver(threadedDataReceiver); }
void DocumentLoader::responseReceived(Resource* resource, const ResourceResponse& response, PassOwnPtr<WebDataConsumerHandle> handle) { ASSERT_UNUSED(resource, m_mainResource == resource); ASSERT_UNUSED(handle, !handle); RefPtr<DocumentLoader> protect(this); m_applicationCacheHost->didReceiveResponseForMainResource(response); // The memory cache doesn't understand the application cache or its caching rules. So if a main resource is served // from the application cache, ensure we don't save the result for future use. All responses loaded // from appcache will have a non-zero appCacheID(). if (response.appCacheID()) memoryCache()->remove(m_mainResource.get()); DEFINE_STATIC_LOCAL(AtomicString, xFrameOptionHeader, ("x-frame-options", AtomicString::ConstructFromLiteral)); HTTPHeaderMap::const_iterator it = response.httpHeaderFields().find(xFrameOptionHeader); if (it != response.httpHeaderFields().end()) { String content = it->value; if (frameLoader()->shouldInterruptLoadForXFrameOptions(content, response.url(), mainResourceIdentifier())) { String message = "Refused to display '" + response.url().elidedString() + "' in a frame because it set 'X-Frame-Options' to '" + content + "'."; RefPtrWillBeRawPtr<ConsoleMessage> consoleMessage = ConsoleMessage::create(SecurityMessageSource, ErrorMessageLevel, message); consoleMessage->setRequestIdentifier(mainResourceIdentifier()); frame()->document()->addConsoleMessage(consoleMessage.release()); cancelLoadAfterXFrameOptionsOrCSPDenied(response); return; } } m_contentSecurityPolicy = ContentSecurityPolicy::create(); m_contentSecurityPolicy->setOverrideURLForSelf(response.url()); m_contentSecurityPolicy->didReceiveHeaders(ContentSecurityPolicyResponseHeaders(response)); if (!m_contentSecurityPolicy->allowAncestors(m_frame, response.url())) { cancelLoadAfterXFrameOptionsOrCSPDenied(response); return; } ASSERT(!mainResourceLoader() || !mainResourceLoader()->defersLoading()); m_response = response; if (isArchiveMIMEType(m_response.mimeType()) && m_mainResource->dataBufferingPolicy() != BufferData) m_mainResource->setDataBufferingPolicy(BufferData); if (!shouldContinueForResponse()) { InspectorInstrumentation::continueWithPolicyIgnore(m_frame, this, m_mainResource->identifier(), m_response); cancelMainResourceLoad(ResourceError::cancelledError(m_request.url())); return; } if (m_response.isHTTP()) { int status = m_response.httpStatusCode(); // FIXME: Fallback content only works if the parent is in the same processs. if ((status < 200 || status >= 300) && m_frame->owner()) { if (!m_frame->deprecatedLocalOwner()) { ASSERT_NOT_REACHED(); } else if (m_frame->deprecatedLocalOwner()->isObjectElement()) { m_frame->deprecatedLocalOwner()->renderFallbackContent(); // object elements are no longer rendered after we fallback, so don't // keep trying to process data from their load cancelMainResourceLoad(ResourceError::cancelledError(m_request.url())); } } } }