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27 #include "WebLoaderStrategy.h"
29 #include "DataReference.h"
30 #include "HangDetectionDisabler.h"
32 #include "NetworkConnectionToWebProcessMessages.h"
33 #include "NetworkProcessConnection.h"
34 #include "NetworkResourceLoadParameters.h"
35 #include "SharedBufferDataReference.h"
36 #include "WebCompiledContentRuleList.h"
37 #include "WebCoreArgumentCoders.h"
38 #include "WebErrors.h"
40 #include "WebFrameLoaderClient.h"
42 #include "WebPageProxyMessages.h"
43 #include "WebProcess.h"
44 #include "WebProcessPoolMessages.h"
45 #include "WebResourceLoader.h"
46 #include "WebServiceWorkerProvider.h"
47 #include "WebURLSchemeHandlerProxy.h"
48 #include "WebURLSchemeTaskProxy.h"
49 #include <WebCore/ApplicationCacheHost.h>
50 #include <WebCore/CachedResource.h>
51 #include <WebCore/ContentSecurityPolicy.h>
52 #include <WebCore/DiagnosticLoggingClient.h>
53 #include <WebCore/DiagnosticLoggingKeys.h>
54 #include <WebCore/Document.h>
55 #include <WebCore/DocumentLoader.h>
56 #include <WebCore/FetchOptions.h>
57 #include <WebCore/Frame.h>
58 #include <WebCore/FrameLoader.h>
59 #include <WebCore/NetscapePlugInStreamLoader.h>
60 #include <WebCore/NetworkLoadInformation.h>
61 #include <WebCore/PlatformStrategies.h>
62 #include <WebCore/ReferrerPolicy.h>
63 #include <WebCore/ResourceLoader.h>
64 #include <WebCore/RuntimeApplicationChecks.h>
65 #include <WebCore/RuntimeEnabledFeatures.h>
66 #include <WebCore/SecurityOrigin.h>
67 #include <WebCore/Settings.h>
68 #include <WebCore/SubresourceLoader.h>
69 #include <WebCore/UserContentProvider.h>
70 #include <pal/SessionID.h>
71 #include <wtf/CompletionHandler.h>
72 #include <wtf/text/CString.h>
75 #include <WebCore/QuickLook.h>
78 #define RELEASE_LOG_IF_ALLOWED(permissionChecker, fmt, ...) RELEASE_LOG_IF(permissionChecker.isAlwaysOnLoggingAllowed(), Network, "%p - WebLoaderStrategy::" fmt, this, ##__VA_ARGS__)
79 #define RELEASE_LOG_ERROR_IF_ALLOWED(permissionChecker, fmt, ...) RELEASE_LOG_ERROR_IF(permissionChecker.isAlwaysOnLoggingAllowed(), Network, "%p - WebLoaderStrategy::" fmt, this, ##__VA_ARGS__)
82 using namespace WebCore;
84 WebLoaderStrategy::WebLoaderStrategy()
85 : m_internallyFailedLoadTimer(RunLoop::main(), this, &WebLoaderStrategy::internallyFailedLoadTimerFired)
89 WebLoaderStrategy::~WebLoaderStrategy()
93 void WebLoaderStrategy::loadResource(Frame& frame, CachedResource& resource, ResourceRequest&& request, const ResourceLoaderOptions& options, CompletionHandler<void(RefPtr<SubresourceLoader>&&)>&& completionHandler)
95 SubresourceLoader::create(frame, resource, WTFMove(request), options, [this, referrerPolicy = options.referrerPolicy, completionHandler = WTFMove(completionHandler), resource = CachedResourceHandle<CachedResource>(&resource), frame = makeRef(frame)] (RefPtr<SubresourceLoader>&& loader) mutable {
97 scheduleLoad(*loader, resource.get(), referrerPolicy == ReferrerPolicy::NoReferrerWhenDowngrade);
99 RELEASE_LOG_IF_ALLOWED(frame.get(), "loadResource: Unable to create SubresourceLoader (frame = %p", &frame);
100 completionHandler(WTFMove(loader));
104 void WebLoaderStrategy::schedulePluginStreamLoad(Frame& frame, NetscapePlugInStreamLoaderClient& client, ResourceRequest&& request, CompletionHandler<void(RefPtr<NetscapePlugInStreamLoader>&&)>&& completionHandler)
106 NetscapePlugInStreamLoader::create(frame, client, WTFMove(request), [this, completionHandler = WTFMove(completionHandler), frame = makeRef(frame)] (RefPtr<NetscapePlugInStreamLoader>&& loader) mutable {
108 scheduleLoad(*loader, 0, frame->document()->referrerPolicy() == ReferrerPolicy::NoReferrerWhenDowngrade);
109 completionHandler(WTFMove(loader));
113 static Seconds maximumBufferingTime(CachedResource* resource)
118 switch (resource->type()) {
119 case CachedResource::Type::Beacon:
120 case CachedResource::Type::Ping:
121 case CachedResource::Type::CSSStyleSheet:
122 case CachedResource::Type::Script:
123 #if ENABLE(SVG_FONTS)
124 case CachedResource::Type::SVGFontResource:
126 case CachedResource::Type::FontResource:
127 #if ENABLE(APPLICATION_MANIFEST)
128 case CachedResource::Type::ApplicationManifest:
130 return Seconds::infinity();
131 case CachedResource::Type::ImageResource:
133 case CachedResource::Type::MediaResource:
135 case CachedResource::Type::MainResource:
136 case CachedResource::Type::Icon:
137 case CachedResource::Type::RawResource:
138 case CachedResource::Type::SVGDocumentResource:
139 case CachedResource::Type::LinkPrefetch:
140 #if ENABLE(VIDEO_TRACK)
141 case CachedResource::Type::TextTrackResource:
144 case CachedResource::Type::XSLStyleSheet:
149 ASSERT_NOT_REACHED();
153 void WebLoaderStrategy::scheduleLoad(ResourceLoader& resourceLoader, CachedResource* resource, bool shouldClearReferrerOnHTTPSToHTTPRedirect)
155 ResourceLoadIdentifier identifier = resourceLoader.identifier();
158 auto& frameLoaderClient = resourceLoader.frameLoader()->client();
160 WebResourceLoader::TrackingParameters trackingParameters;
161 trackingParameters.pageID = frameLoaderClient.pageID().valueOr(PageIdentifier { });
162 trackingParameters.frameID = frameLoaderClient.frameID().valueOr(FrameIdentifier { });
163 trackingParameters.resourceID = identifier;
164 auto sessionID = frameLoaderClient.sessionID();
166 #if ENABLE(WEB_ARCHIVE) || ENABLE(MHTML)
167 // If the DocumentLoader schedules this as an archive resource load,
168 // then we should remember the ResourceLoader in our records but not schedule it in the NetworkProcess.
169 if (resourceLoader.documentLoader()->scheduleArchiveLoad(resourceLoader, resourceLoader.request())) {
170 LOG(NetworkScheduling, "(WebProcess) WebLoaderStrategy::scheduleLoad, url '%s' will be handled as an archive resource.", resourceLoader.url().string().utf8().data());
171 RELEASE_LOG_IF_ALLOWED(resourceLoader, "scheduleLoad: URL will be handled as an archive resource (frame = %p, pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ")", resourceLoader.frame(), trackingParameters.pageID.toUInt64(), trackingParameters.frameID.toUInt64(), identifier);
172 m_webResourceLoaders.set(identifier, WebResourceLoader::create(resourceLoader, trackingParameters));
177 if (resourceLoader.documentLoader()->applicationCacheHost().maybeLoadResource(resourceLoader, resourceLoader.request(), resourceLoader.request().url())) {
178 LOG(NetworkScheduling, "(WebProcess) WebLoaderStrategy::scheduleLoad, url '%s' will be loaded from application cache.", resourceLoader.url().string().utf8().data());
179 RELEASE_LOG_IF_ALLOWED(resourceLoader, "scheduleLoad: URL will be loaded from application cache (frame = %p, pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ")", resourceLoader.frame(), trackingParameters.pageID.toUInt64(), trackingParameters.frameID.toUInt64(), identifier);
180 m_webResourceLoaders.set(identifier, WebResourceLoader::create(resourceLoader, trackingParameters));
184 if (resourceLoader.request().url().protocolIsData()) {
185 LOG(NetworkScheduling, "(WebProcess) WebLoaderStrategy::scheduleLoad, url '%s' will be loaded as data.", resourceLoader.url().string().utf8().data());
186 RELEASE_LOG_IF_ALLOWED(resourceLoader, "scheduleLoad: URL will be loaded as data (frame = %p, pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ")", resourceLoader.frame(), trackingParameters.pageID.toUInt64(), trackingParameters.frameID.toUInt64(), identifier);
187 startLocalLoad(resourceLoader);
192 if (isQuickLookPreviewURL(resourceLoader.request().url())) {
193 LOG(NetworkScheduling, "(WebProcess) WebLoaderStrategy::scheduleLoad, url '%s' will be handled as a QuickLook resource.", resourceLoader.url().string().utf8().data());
194 RELEASE_LOG_IF_ALLOWED(resourceLoader, "scheduleLoad: URL will be handled as a QuickLook resource (frame = %p, pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ")", resourceLoader.frame(), trackingParameters.pageID.toUInt64(), trackingParameters.frameID.toUInt64(), identifier);
195 startLocalLoad(resourceLoader);
201 // For apps that call g_resource_load in a web extension.
202 // https://blogs.gnome.org/alexl/2012/01/26/resources-in-glib/
203 if (resourceLoader.request().url().protocolIs("resource")) {
204 LOG(NetworkScheduling, "(WebProcess) WebLoaderStrategy::scheduleLoad, url '%s' will be handled as a GResource.", resourceLoader.url().string().utf8().data());
205 RELEASE_LOG_IF_ALLOWED(resourceLoader, "scheduleLoad: URL will be handled as a GResource (frame = %p, pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ")", resourceLoader.frame(), trackingParameters.pageID.toUInt64(), trackingParameters.frameID.toUInt64(), identifier);
206 startLocalLoad(resourceLoader);
211 #if ENABLE(SERVICE_WORKER)
212 WebServiceWorkerProvider::singleton().handleFetch(resourceLoader, sessionID, shouldClearReferrerOnHTTPSToHTTPRedirect, [this, trackingParameters, identifier, sessionID, shouldClearReferrerOnHTTPSToHTTPRedirect, maximumBufferingTime = maximumBufferingTime(resource), resourceLoader = makeRef(resourceLoader)] (ServiceWorkerClientFetch::Result result) mutable {
213 if (result != ServiceWorkerClientFetch::Result::Unhandled) {
214 LOG(NetworkScheduling, "(WebProcess) WebLoaderStrategy::scheduleLoad, url '%s' will be scheduled through ServiceWorker handle fetch algorithm", resourceLoader->url().string().latin1().data());
215 RELEASE_LOG_IF_ALLOWED(resourceLoader.get(), "scheduleLoad: URL will be scheduled through ServiceWorker handle fetch algorithm (frame = %p, pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ")", resourceLoader->frame(), trackingParameters.pageID.toUInt64(), trackingParameters.frameID.toUInt64(), identifier);
218 if (resourceLoader->options().serviceWorkersMode == ServiceWorkersMode::Only) {
219 RELEASE_LOG_ERROR_IF_ALLOWED(resourceLoader.get(), "scheduleLoad: unable to schedule URL through ServiceWorker handle fetch algorithm (frame = %p, pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ")", resourceLoader->frame(), trackingParameters.pageID.toUInt64(), trackingParameters.frameID.toUInt64(), identifier);
220 callOnMainThread([resourceLoader = WTFMove(resourceLoader)] {
221 auto error = internalError(resourceLoader->request().url());
222 error.setType(ResourceError::Type::Cancellation);
223 resourceLoader->didFail(error);
228 if (!WebProcess::singleton().webLoaderStrategy().tryLoadingUsingURLSchemeHandler(resourceLoader))
229 WebProcess::singleton().webLoaderStrategy().scheduleLoadFromNetworkProcess(resourceLoader.get(), resourceLoader->request(), trackingParameters, sessionID, shouldClearReferrerOnHTTPSToHTTPRedirect, maximumBufferingTime);
231 RELEASE_LOG_IF_ALLOWED(resourceLoader.get(), "scheduleLoad: URL not handled by any handlers (frame = %p, pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ")", resourceLoader->frame(), trackingParameters.pageID.toUInt64(), trackingParameters.frameID.toUInt64(), identifier);
234 if (!tryLoadingUsingURLSchemeHandler(resourceLoader))
235 scheduleLoadFromNetworkProcess(resourceLoader, resourceLoader.request(), trackingParameters, sessionID, shouldClearReferrerOnHTTPSToHTTPRedirect, maximumBufferingTime(resource));
237 RELEASE_LOG_IF_ALLOWED(resourceLoader, "scheduleLoad: URL not handled by any handlers (frame = %p, pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ")", resourceLoader.frame(), trackingParameters.pageID.toUInt64(), trackingParameters.frameID.toUInt64(), identifier);
241 bool WebLoaderStrategy::tryLoadingUsingURLSchemeHandler(ResourceLoader& resourceLoader)
243 auto* webFrameLoaderClient = toWebFrameLoaderClient(resourceLoader.frameLoader()->client());
244 auto* webFrame = webFrameLoaderClient ? webFrameLoaderClient->webFrame() : nullptr;
245 auto* webPage = webFrame ? webFrame->page() : nullptr;
247 if (auto* handler = webPage->urlSchemeHandlerForScheme(resourceLoader.request().url().protocol().toStringWithoutCopying())) {
248 LOG(NetworkScheduling, "(WebProcess) WebLoaderStrategy::scheduleLoad, URL '%s' will be handled by a UIProcess URL scheme handler.", resourceLoader.url().string().utf8().data());
249 RELEASE_LOG_IF_ALLOWED(resourceLoader, "scheduleLoad: URL will be handled by a UIProcess URL scheme handler (frame = %p, resourceID = %lu)", resourceLoader.frame(), resourceLoader.identifier());
251 handler->startNewTask(resourceLoader);
258 void WebLoaderStrategy::scheduleLoadFromNetworkProcess(ResourceLoader& resourceLoader, const ResourceRequest& request, const WebResourceLoader::TrackingParameters& trackingParameters, PAL::SessionID sessionID, bool shouldClearReferrerOnHTTPSToHTTPRedirect, Seconds maximumBufferingTime)
260 ResourceLoadIdentifier identifier = resourceLoader.identifier();
263 LOG(NetworkScheduling, "(WebProcess) WebLoaderStrategy::scheduleLoad, url '%s' will be scheduled with the NetworkProcess with priority %d", resourceLoader.url().string().latin1().data(), static_cast<int>(resourceLoader.request().priority()));
265 ContentSniffingPolicy contentSniffingPolicy = resourceLoader.shouldSniffContent() ? ContentSniffingPolicy::SniffContent : ContentSniffingPolicy::DoNotSniffContent;
266 ContentEncodingSniffingPolicy contentEncodingSniffingPolicy = resourceLoader.shouldSniffContentEncoding() ? ContentEncodingSniffingPolicy::Sniff : ContentEncodingSniffingPolicy::DoNotSniff;
267 StoredCredentialsPolicy storedCredentialsPolicy = resourceLoader.shouldUseCredentialStorage() ? StoredCredentialsPolicy::Use : StoredCredentialsPolicy::DoNotUse;
269 NetworkResourceLoadParameters loadParameters { sessionID };
270 loadParameters.identifier = identifier;
271 loadParameters.webPageID = trackingParameters.pageID;
272 loadParameters.webFrameID = trackingParameters.frameID;
273 loadParameters.parentPID = presentingApplicationPID();
274 loadParameters.request = request;
275 loadParameters.contentSniffingPolicy = contentSniffingPolicy;
276 loadParameters.contentEncodingSniffingPolicy = contentEncodingSniffingPolicy;
277 loadParameters.storedCredentialsPolicy = storedCredentialsPolicy;
278 // If there is no WebFrame then this resource cannot be authenticated with the client.
279 loadParameters.clientCredentialPolicy = (loadParameters.webFrameID && loadParameters.webPageID && resourceLoader.isAllowedToAskUserForCredentials()) ? ClientCredentialPolicy::MayAskClientForCredentials : ClientCredentialPolicy::CannotAskClientForCredentials;
280 loadParameters.shouldClearReferrerOnHTTPSToHTTPRedirect = shouldClearReferrerOnHTTPSToHTTPRedirect;
281 loadParameters.needsCertificateInfo = resourceLoader.shouldIncludeCertificateInfo();
282 loadParameters.maximumBufferingTime = maximumBufferingTime;
283 loadParameters.options = resourceLoader.options();
284 loadParameters.preflightPolicy = resourceLoader.options().preflightPolicy;
285 loadParameters.isHTTPSUpgradeEnabled = resourceLoader.frame() ? resourceLoader.frame()->settings().HTTPSUpgradeEnabled() : false;
287 auto* document = resourceLoader.frame() ? resourceLoader.frame()->document() : nullptr;
288 if (resourceLoader.options().cspResponseHeaders)
289 loadParameters.cspResponseHeaders = resourceLoader.options().cspResponseHeaders;
290 else if (document && !document->shouldBypassMainWorldContentSecurityPolicy() && resourceLoader.options().contentSecurityPolicyImposition == ContentSecurityPolicyImposition::DoPolicyCheck) {
291 if (auto* contentSecurityPolicy = document->contentSecurityPolicy())
292 loadParameters.cspResponseHeaders = contentSecurityPolicy->responseHeaders();
295 #if ENABLE(CONTENT_EXTENSIONS)
297 loadParameters.mainDocumentURL = document->topDocument().url();
298 // FIXME: Instead of passing userContentControllerIdentifier, the NetworkProcess should be able to get it using webPageId.
299 auto* webFrameLoaderClient = toWebFrameLoaderClient(resourceLoader.frame()->loader().client());
300 auto* webFrame = webFrameLoaderClient ? webFrameLoaderClient->webFrame() : nullptr;
301 auto* webPage = webFrame ? webFrame->page() : nullptr;
303 loadParameters.userContentControllerIdentifier = webPage->userContentControllerIdentifier();
307 // FIXME: All loaders should provide their origin if navigation mode is cors/no-cors/same-origin.
308 // As a temporary approach, we use the document origin if available or the HTTP Origin header otherwise.
309 if (is<SubresourceLoader>(resourceLoader)) {
310 auto& loader = downcast<SubresourceLoader>(resourceLoader);
311 loadParameters.sourceOrigin = loader.origin();
313 if (auto* headers = loader.originalHeaders())
314 loadParameters.originalRequestHeaders = *headers;
317 if (!loadParameters.sourceOrigin && document)
318 loadParameters.sourceOrigin = &document->securityOrigin();
319 if (!loadParameters.sourceOrigin) {
320 auto origin = request.httpOrigin();
321 if (!origin.isNull())
322 loadParameters.sourceOrigin = SecurityOrigin::createFromString(origin);
325 loadParameters.topOrigin = &document->topOrigin();
327 if (loadParameters.options.mode != FetchOptions::Mode::Navigate) {
328 ASSERT(loadParameters.sourceOrigin);
329 if (!loadParameters.sourceOrigin) {
330 RELEASE_LOG_ERROR_IF_ALLOWED(resourceLoader, "scheduleLoad: no sourceOrigin (frame = %p, priority = %d, pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ")", resourceLoader.frame(), static_cast<int>(resourceLoader.request().priority()), loadParameters.webPageID.toUInt64(), loadParameters.webFrameID.toUInt64(), loadParameters.identifier);
331 scheduleInternallyFailedLoad(resourceLoader);
336 loadParameters.shouldRestrictHTTPResponseAccess = shouldPerformSecurityChecks();
338 loadParameters.isMainFrameNavigation = resourceLoader.frame() && resourceLoader.frame()->isMainFrame() && resourceLoader.options().mode == FetchOptions::Mode::Navigate;
340 loadParameters.isMainResourceNavigationForAnyFrame = resourceLoader.frame() && resourceLoader.options().mode == FetchOptions::Mode::Navigate;
342 loadParameters.shouldEnableCrossOriginResourcePolicy = RuntimeEnabledFeatures::sharedFeatures().crossOriginResourcePolicyEnabled() && !loadParameters.isMainFrameNavigation;
344 if (resourceLoader.options().mode == FetchOptions::Mode::Navigate) {
345 Vector<RefPtr<SecurityOrigin>> frameAncestorOrigins;
346 for (auto* frame = resourceLoader.frame()->tree().parent(); frame; frame = frame->tree().parent())
347 frameAncestorOrigins.append(makeRefPtr(frame->document()->securityOrigin()));
348 loadParameters.frameAncestorOrigins = WTFMove(frameAncestorOrigins);
351 ASSERT((loadParameters.webPageID && loadParameters.webFrameID) || loadParameters.clientCredentialPolicy == ClientCredentialPolicy::CannotAskClientForCredentials);
353 RELEASE_LOG_IF_ALLOWED(resourceLoader, "scheduleLoad: Resource is being scheduled with the NetworkProcess (frame = %p, priority = %d, pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ")", resourceLoader.frame(), static_cast<int>(resourceLoader.request().priority()), loadParameters.webPageID.toUInt64(), loadParameters.webFrameID.toUInt64(), loadParameters.identifier);
354 if (!WebProcess::singleton().ensureNetworkProcessConnection().connection().send(Messages::NetworkConnectionToWebProcess::ScheduleResourceLoad(loadParameters), 0)) {
355 RELEASE_LOG_ERROR_IF_ALLOWED(resourceLoader, "scheduleLoad: Unable to schedule resource with the NetworkProcess (frame = %p, priority = %d, pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ")", resourceLoader.frame(), static_cast<int>(resourceLoader.request().priority()), loadParameters.webPageID.toUInt64(), loadParameters.webFrameID.toUInt64(), loadParameters.identifier);
356 // We probably failed to schedule this load with the NetworkProcess because it had crashed.
357 // This load will never succeed so we will schedule it to fail asynchronously.
358 scheduleInternallyFailedLoad(resourceLoader);
362 auto loader = WebResourceLoader::create(resourceLoader, trackingParameters);
363 if (resourceLoader.originalRequest().hasUpload()) {
364 if (m_loadersWithUploads.isEmpty())
365 WebProcess::singleton().parentProcessConnection()->send(Messages::WebProcessPool::SetWebProcessHasUploads(Process::identifier()), 0);
366 m_loadersWithUploads.add(loader.ptr());
369 m_webResourceLoaders.set(identifier, WTFMove(loader));
372 void WebLoaderStrategy::scheduleInternallyFailedLoad(WebCore::ResourceLoader& resourceLoader)
374 m_internallyFailedResourceLoaders.add(&resourceLoader);
375 m_internallyFailedLoadTimer.startOneShot(0_s);
378 void WebLoaderStrategy::internallyFailedLoadTimerFired()
380 for (auto& resourceLoader : copyToVector(m_internallyFailedResourceLoaders))
381 resourceLoader->didFail(internalError(resourceLoader->url()));
384 void WebLoaderStrategy::startLocalLoad(WebCore::ResourceLoader& resourceLoader)
386 resourceLoader.start();
387 m_webResourceLoaders.set(resourceLoader.identifier(), WebResourceLoader::create(resourceLoader, { }));
390 void WebLoaderStrategy::addURLSchemeTaskProxy(WebURLSchemeTaskProxy& task)
392 auto result = m_urlSchemeTasks.add(task.identifier(), &task);
393 ASSERT_UNUSED(result, result.isNewEntry);
396 void WebLoaderStrategy::removeURLSchemeTaskProxy(WebURLSchemeTaskProxy& task)
398 m_urlSchemeTasks.remove(task.identifier());
401 void WebLoaderStrategy::remove(ResourceLoader* resourceLoader)
403 ASSERT(resourceLoader);
404 LOG(NetworkScheduling, "(WebProcess) WebLoaderStrategy::remove, url '%s'", resourceLoader->url().string().utf8().data());
406 if (auto task = m_urlSchemeTasks.take(resourceLoader->identifier())) {
407 ASSERT(!m_internallyFailedResourceLoaders.contains(resourceLoader));
412 if (m_internallyFailedResourceLoaders.contains(resourceLoader)) {
413 m_internallyFailedResourceLoaders.remove(resourceLoader);
417 ResourceLoadIdentifier identifier = resourceLoader->identifier();
419 LOG_ERROR("WebLoaderStrategy removing a ResourceLoader that has no identifier.");
423 #if ENABLE(SERVICE_WORKER)
424 if (WebServiceWorkerProvider::singleton().cancelFetch(makeObjectIdentifier<FetchIdentifierType>(identifier)))
428 RefPtr<WebResourceLoader> loader = m_webResourceLoaders.take(identifier);
429 // Loader may not be registered if we created it, but haven't scheduled yet (a bundle client can decide to cancel such request via willSendRequest).
433 WebProcess::singleton().ensureNetworkProcessConnection().connection().send(Messages::NetworkConnectionToWebProcess::RemoveLoadIdentifier(identifier), 0);
435 if (m_loadersWithUploads.remove(loader.get()) && m_loadersWithUploads.isEmpty())
436 WebProcess::singleton().parentProcessConnection()->send(Messages::WebProcessPool::ClearWebProcessHasUploads { Process::identifier() }, 0);
438 // It's possible that this WebResourceLoader might be just about to message back to the NetworkProcess (e.g. ContinueWillSendRequest)
439 // but there's no point in doing so anymore.
440 loader->detachFromCoreLoader();
443 void WebLoaderStrategy::setDefersLoading(ResourceLoader&, bool)
447 void WebLoaderStrategy::crossOriginRedirectReceived(ResourceLoader*, const URL&)
449 // We handle cross origin redirects entirely within the NetworkProcess.
450 // We override this call in the WebProcess to make it a no-op.
453 void WebLoaderStrategy::servePendingRequests(ResourceLoadPriority)
455 // This overrides the base class version.
456 // We don't need to do anything as this is handled by the network process.
459 void WebLoaderStrategy::suspendPendingRequests()
461 // Network process does keep requests in pending state.
464 void WebLoaderStrategy::resumePendingRequests()
466 // Network process does keep requests in pending state.
469 void WebLoaderStrategy::networkProcessCrashed()
471 RELEASE_LOG_ERROR(Network, "WebLoaderStrategy::networkProcessCrashed: failing all pending resource loaders");
473 for (auto& loader : m_webResourceLoaders.values()) {
474 scheduleInternallyFailedLoad(*loader->resourceLoader());
475 loader->detachFromCoreLoader();
478 m_webResourceLoaders.clear();
480 auto pingLoadCompletionHandlers = WTFMove(m_pingLoadCompletionHandlers);
481 for (auto& pingLoadCompletionHandler : pingLoadCompletionHandlers.values())
482 pingLoadCompletionHandler(internalError(URL()), { });
484 auto preconnectCompletionHandlers = WTFMove(m_preconnectCompletionHandlers);
485 for (auto& preconnectCompletionHandler : preconnectCompletionHandlers.values())
486 preconnectCompletionHandler(internalError(URL()));
489 static bool shouldClearReferrerOnHTTPSToHTTPRedirect(Frame* frame)
492 if (auto* document = frame->document())
493 return document->referrerPolicy() == ReferrerPolicy::NoReferrerWhenDowngrade;
498 Optional<WebLoaderStrategy::SyncLoadResult> WebLoaderStrategy::tryLoadingSynchronouslyUsingURLSchemeHandler(FrameLoader& frameLoader, ResourceLoadIdentifier identifier, const ResourceRequest& request)
500 auto* webFrameLoaderClient = toWebFrameLoaderClient(frameLoader.client());
501 auto* webFrame = webFrameLoaderClient ? webFrameLoaderClient->webFrame() : nullptr;
502 auto* webPage = webFrame ? webFrame->page() : nullptr;
506 auto* handler = webPage->urlSchemeHandlerForScheme(request.url().protocol().toStringWithoutCopying());
510 LOG(NetworkScheduling, "(WebProcess) WebLoaderStrategy::scheduleLoad, sync load to URL '%s' will be handled by a UIProcess URL scheme handler.", request.url().string().utf8().data());
512 SyncLoadResult result;
513 handler->loadSynchronously(identifier, request, result.response, result.error, result.data);
518 void WebLoaderStrategy::loadResourceSynchronously(FrameLoader& frameLoader, unsigned long resourceLoadIdentifier, const ResourceRequest& request, ClientCredentialPolicy clientCredentialPolicy, const FetchOptions& options, const HTTPHeaderMap& originalRequestHeaders, ResourceError& error, ResourceResponse& response, Vector<char>& data)
520 WebFrameLoaderClient* webFrameLoaderClient = toWebFrameLoaderClient(frameLoader.client());
521 WebFrame* webFrame = webFrameLoaderClient ? webFrameLoaderClient->webFrame() : nullptr;
522 WebPage* webPage = webFrame ? webFrame->page() : nullptr;
524 auto pageID = webPage ? webPage->identifier() : PageIdentifier { };
525 auto frameID = webFrame ? webFrame->frameID() : FrameIdentifier { };
526 auto sessionID = webPage ? webPage->sessionID() : PAL::SessionID::defaultSessionID();
528 auto* document = frameLoader.frame().document();
530 RELEASE_LOG_ERROR_IF_ALLOWED(sessionID, "loadResourceSynchronously: no document (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %lu)", pageID.toUInt64(), frameID.toUInt64(), resourceLoadIdentifier);
531 error = internalError(request.url());
535 if (auto syncLoadResult = tryLoadingSynchronouslyUsingURLSchemeHandler(frameLoader, resourceLoadIdentifier, request)) {
536 RELEASE_LOG_ERROR_IF_ALLOWED(sessionID, "loadResourceSynchronously: failed calling tryLoadingSynchronouslyUsingURLSchemeHandler (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %lu, error = %d)", pageID.toUInt64(), frameID.toUInt64(), resourceLoadIdentifier, syncLoadResult->error.errorCode());
537 error = WTFMove(syncLoadResult->error);
538 response = WTFMove(syncLoadResult->response);
539 data = WTFMove(syncLoadResult->data);
543 NetworkResourceLoadParameters loadParameters { sessionID };
544 loadParameters.identifier = resourceLoadIdentifier;
545 loadParameters.webPageID = pageID;
546 loadParameters.webFrameID = frameID;
547 loadParameters.parentPID = presentingApplicationPID();
548 loadParameters.request = request;
549 loadParameters.contentSniffingPolicy = ContentSniffingPolicy::SniffContent;
550 loadParameters.contentEncodingSniffingPolicy = ContentEncodingSniffingPolicy::Sniff;
551 loadParameters.storedCredentialsPolicy = options.credentials == FetchOptions::Credentials::Omit ? StoredCredentialsPolicy::DoNotUse : StoredCredentialsPolicy::Use;
552 loadParameters.clientCredentialPolicy = clientCredentialPolicy;
553 loadParameters.shouldClearReferrerOnHTTPSToHTTPRedirect = shouldClearReferrerOnHTTPSToHTTPRedirect(webFrame ? webFrame->coreFrame() : nullptr);
554 loadParameters.shouldRestrictHTTPResponseAccess = shouldPerformSecurityChecks();
556 loadParameters.options = options;
557 loadParameters.sourceOrigin = &document->securityOrigin();
558 loadParameters.topOrigin = &document->topOrigin();
559 if (!document->shouldBypassMainWorldContentSecurityPolicy()) {
560 if (auto* contentSecurityPolicy = document->contentSecurityPolicy())
561 loadParameters.cspResponseHeaders = contentSecurityPolicy->responseHeaders();
563 loadParameters.originalRequestHeaders = originalRequestHeaders;
567 HangDetectionDisabler hangDetectionDisabler;
568 IPC::UnboundedSynchronousIPCScope unboundedSynchronousIPCScope;
570 bool shouldNotifyOfUpload = request.hasUpload() && m_loadersWithUploads.isEmpty();
571 if (shouldNotifyOfUpload)
572 WebProcess::singleton().parentProcessConnection()->send(Messages::WebProcessPool::SetWebProcessHasUploads { Process::identifier() }, 0);
574 if (!WebProcess::singleton().ensureNetworkProcessConnection().connection().sendSync(Messages::NetworkConnectionToWebProcess::PerformSynchronousLoad(loadParameters), Messages::NetworkConnectionToWebProcess::PerformSynchronousLoad::Reply(error, response, data), 0)) {
575 RELEASE_LOG_ERROR_IF_ALLOWED(sessionID, "loadResourceSynchronously: failed sending synchronous network process message (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %lu)", pageID.toUInt64(), frameID.toUInt64(), resourceLoadIdentifier);
576 if (auto* page = webPage ? webPage->corePage() : nullptr)
577 page->diagnosticLoggingClient().logDiagnosticMessage(WebCore::DiagnosticLoggingKeys::internalErrorKey(), WebCore::DiagnosticLoggingKeys::synchronousMessageFailedKey(), WebCore::ShouldSample::No);
578 response = ResourceResponse();
579 error = internalError(request.url());
582 if (shouldNotifyOfUpload)
583 WebProcess::singleton().parentProcessConnection()->send(Messages::WebProcessPool::ClearWebProcessHasUploads { Process::identifier() }, 0);
586 void WebLoaderStrategy::pageLoadCompleted(Page& page)
588 WebProcess::singleton().ensureNetworkProcessConnection().connection().send(Messages::NetworkConnectionToWebProcess::PageLoadCompleted(WebPage::fromCorePage(page).identifier()), 0);
591 static uint64_t generateLoadIdentifier()
593 static uint64_t identifier = 0;
597 bool WebLoaderStrategy::usePingLoad() const
599 return !RuntimeEnabledFeatures::sharedFeatures().fetchAPIKeepAliveEnabled();
602 void WebLoaderStrategy::startPingLoad(Frame& frame, ResourceRequest& request, const HTTPHeaderMap& originalRequestHeaders, const FetchOptions& options, ContentSecurityPolicyImposition policyCheck, PingLoadCompletionHandler&& completionHandler)
604 auto* document = frame.document();
606 if (completionHandler)
607 completionHandler(internalError(request.url()), { });
611 NetworkResourceLoadParameters loadParameters { frame.page() ? frame.page()->sessionID() : PAL::SessionID::defaultSessionID() };
612 loadParameters.identifier = generateLoadIdentifier();
613 loadParameters.request = request;
614 loadParameters.sourceOrigin = &document->securityOrigin();
615 loadParameters.topOrigin = &document->topOrigin();
616 loadParameters.parentPID = presentingApplicationPID();
617 loadParameters.storedCredentialsPolicy = options.credentials == FetchOptions::Credentials::Omit ? StoredCredentialsPolicy::DoNotUse : StoredCredentialsPolicy::Use;
618 loadParameters.options = options;
619 loadParameters.originalRequestHeaders = originalRequestHeaders;
620 loadParameters.shouldClearReferrerOnHTTPSToHTTPRedirect = shouldClearReferrerOnHTTPSToHTTPRedirect(&frame);
621 loadParameters.shouldRestrictHTTPResponseAccess = shouldPerformSecurityChecks();
622 if (policyCheck == ContentSecurityPolicyImposition::DoPolicyCheck && !document->shouldBypassMainWorldContentSecurityPolicy()) {
623 if (auto* contentSecurityPolicy = document->contentSecurityPolicy())
624 loadParameters.cspResponseHeaders = contentSecurityPolicy->responseHeaders();
627 #if ENABLE(CONTENT_EXTENSIONS)
628 loadParameters.mainDocumentURL = document->topDocument().url();
629 // FIXME: Instead of passing userContentControllerIdentifier, we should just pass webPageId to NetworkProcess.
630 WebFrameLoaderClient* webFrameLoaderClient = toWebFrameLoaderClient(frame.loader().client());
631 WebFrame* webFrame = webFrameLoaderClient ? webFrameLoaderClient->webFrame() : nullptr;
632 WebPage* webPage = webFrame ? webFrame->page() : nullptr;
634 loadParameters.userContentControllerIdentifier = webPage->userContentControllerIdentifier();
637 if (completionHandler)
638 m_pingLoadCompletionHandlers.add(loadParameters.identifier, WTFMove(completionHandler));
640 WebProcess::singleton().ensureNetworkProcessConnection().connection().send(Messages::NetworkConnectionToWebProcess::LoadPing { loadParameters }, 0);
643 void WebLoaderStrategy::didFinishPingLoad(uint64_t pingLoadIdentifier, ResourceError&& error, ResourceResponse&& response)
645 if (auto completionHandler = m_pingLoadCompletionHandlers.take(pingLoadIdentifier))
646 completionHandler(WTFMove(error), WTFMove(response));
649 void WebLoaderStrategy::preconnectTo(FrameLoader& frameLoader, const URL& url, StoredCredentialsPolicy storedCredentialsPolicy, PreconnectCompletionHandler&& completionHandler)
651 uint64_t preconnectionIdentifier = generateLoadIdentifier();
652 auto addResult = m_preconnectCompletionHandlers.add(preconnectionIdentifier, WTFMove(completionHandler));
653 ASSERT_UNUSED(addResult, addResult.isNewEntry);
655 auto* webFrameLoaderClient = toWebFrameLoaderClient(frameLoader.client());
656 if (!webFrameLoaderClient) {
657 completionHandler(internalError(url));
660 auto* webFrame = webFrameLoaderClient->webFrame();
662 completionHandler(internalError(url));
665 auto* webPage = webFrame->page();
667 completionHandler(internalError(url));
671 NetworkResourceLoadParameters parameters { webPage->sessionID() };
672 parameters.request = ResourceRequest { url };
673 parameters.webPageID = webPage->identifier();
674 parameters.webFrameID = webFrame->frameID();
675 parameters.parentPID = presentingApplicationPID();
676 parameters.storedCredentialsPolicy = storedCredentialsPolicy;
677 parameters.shouldPreconnectOnly = PreconnectOnly::Yes;
678 parameters.shouldRestrictHTTPResponseAccess = shouldPerformSecurityChecks();
679 // FIXME: Use the proper destination once all fetch options are passed.
680 parameters.options.destination = FetchOptions::Destination::EmptyString;
682 WebProcess::singleton().ensureNetworkProcessConnection().connection().send(Messages::NetworkConnectionToWebProcess::PreconnectTo(preconnectionIdentifier, WTFMove(parameters)), 0);
685 void WebLoaderStrategy::didFinishPreconnection(uint64_t preconnectionIdentifier, ResourceError&& error)
687 if (auto completionHandler = m_preconnectCompletionHandlers.take(preconnectionIdentifier))
688 completionHandler(WTFMove(error));
691 bool WebLoaderStrategy::isOnLine() const
696 void WebLoaderStrategy::addOnlineStateChangeListener(Function<void(bool)>&& listener)
698 WebProcess::singleton().ensureNetworkProcessConnection();
699 m_onlineStateChangeListeners.append(WTFMove(listener));
702 void WebLoaderStrategy::setOnLineState(bool isOnLine)
704 if (m_isOnLine == isOnLine)
707 m_isOnLine = isOnLine;
708 for (auto& listener : m_onlineStateChangeListeners)
712 void WebLoaderStrategy::setCaptureExtraNetworkLoadMetricsEnabled(bool enabled)
714 WebProcess::singleton().ensureNetworkProcessConnection().connection().send(Messages::NetworkConnectionToWebProcess::SetCaptureExtraNetworkLoadMetricsEnabled(enabled), 0);
717 ResourceResponse WebLoaderStrategy::responseFromResourceLoadIdentifier(uint64_t resourceLoadIdentifier)
719 ResourceResponse response;
720 WebProcess::singleton().ensureNetworkProcessConnection().connection().sendSync(Messages::NetworkConnectionToWebProcess::GetNetworkLoadInformationResponse { resourceLoadIdentifier }, Messages::NetworkConnectionToWebProcess::GetNetworkLoadInformationResponse::Reply { response }, 0);
724 Vector<NetworkTransactionInformation> WebLoaderStrategy::intermediateLoadInformationFromResourceLoadIdentifier(uint64_t resourceLoadIdentifier)
726 Vector<NetworkTransactionInformation> information;
727 WebProcess::singleton().ensureNetworkProcessConnection().connection().sendSync(Messages::NetworkConnectionToWebProcess::GetNetworkLoadIntermediateInformation { resourceLoadIdentifier }, Messages::NetworkConnectionToWebProcess::GetNetworkLoadIntermediateInformation::Reply { information }, 0);
731 NetworkLoadMetrics WebLoaderStrategy::networkMetricsFromResourceLoadIdentifier(uint64_t resourceLoadIdentifier)
733 NetworkLoadMetrics networkMetrics;
734 WebProcess::singleton().ensureNetworkProcessConnection().connection().sendSync(Messages::NetworkConnectionToWebProcess::TakeNetworkLoadInformationMetrics { resourceLoadIdentifier }, Messages::NetworkConnectionToWebProcess::TakeNetworkLoadInformationMetrics::Reply { networkMetrics }, 0);
735 return networkMetrics;
738 bool WebLoaderStrategy::shouldPerformSecurityChecks() const
740 return RuntimeEnabledFeatures::sharedFeatures().restrictedHTTPResponseAccess();
743 bool WebLoaderStrategy::havePerformedSecurityChecks(const ResourceResponse& response) const
745 if (!shouldPerformSecurityChecks())
747 switch (response.source()) {
748 case ResourceResponse::Source::ApplicationCache:
749 case ResourceResponse::Source::MemoryCache:
750 case ResourceResponse::Source::MemoryCacheAfterValidation:
751 case ResourceResponse::Source::ServiceWorker:
753 case ResourceResponse::Source::DiskCache:
754 case ResourceResponse::Source::DiskCacheAfterValidation:
755 case ResourceResponse::Source::Network:
756 case ResourceResponse::Source::Unknown:
759 ASSERT_NOT_REACHED();
763 } // namespace WebKit
765 #undef RELEASE_LOG_IF_ALLOWED
766 #undef RELEASE_LOG_ERROR_IF_ALLOWED