void WebLoaderStrategy::loadResourceSynchronously(NetworkingContext* context, unsigned long resourceLoadIdentifier, const ResourceRequest& request, StoredCredentials storedCredentials, ClientCredentialPolicy clientCredentialPolicy, ResourceError& error, ResourceResponse& response, Vector<char>& data)
{
WebFrameNetworkingContext* webContext = static_cast<WebFrameNetworkingContext*>(context);
// FIXME: Some entities in WebCore use WebCore's "EmptyFrameLoaderClient" instead of having a proper WebFrameLoaderClient.
// EmptyFrameLoaderClient shouldn't exist and everything should be using a WebFrameLoaderClient,
// but in the meantime we have to make sure not to mis-cast.
WebFrameLoaderClient* webFrameLoaderClient = webContext->webFrameLoaderClient();
WebFrame* webFrame = webFrameLoaderClient ? webFrameLoaderClient->webFrame() : 0;
WebPage* webPage = webFrame ? webFrame->page() : 0;
NetworkResourceLoadParameters loadParameters;
loadParameters.identifier = resourceLoadIdentifier;
loadParameters.webPageID = webPage ? webPage->pageID() : 0;
loadParameters.webFrameID = webFrame ? webFrame->frameID() : 0;
loadParameters.sessionID = webPage ? webPage->sessionID() : SessionID::defaultSessionID();
loadParameters.request = request;
loadParameters.contentSniffingPolicy = SniffContent;
loadParameters.allowStoredCredentials = storedCredentials;
loadParameters.clientCredentialPolicy = clientCredentialPolicy;
loadParameters.shouldClearReferrerOnHTTPSToHTTPRedirect = context->shouldClearReferrerOnHTTPSToHTTPRedirect();
data.resize(0);
HangDetectionDisabler hangDetectionDisabler;
if (!WebProcess::singleton().networkConnection().connection().sendSync(Messages::NetworkConnectionToWebProcess::PerformSynchronousLoad(loadParameters), Messages::NetworkConnectionToWebProcess::PerformSynchronousLoad::Reply(error, response, data), 0)) {
RELEASE_LOG_ERROR_IF_ALLOWED(loadParameters.sessionID, "loadResourceSynchronously: failed sending synchronous network process message (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ")", loadParameters.webPageID, loadParameters.webFrameID, loadParameters.identifier);
if (auto* page = webPage->corePage())
page->diagnosticLoggingClient().logDiagnosticMessage(WebCore::DiagnosticLoggingKeys::internalErrorKey(), WebCore::DiagnosticLoggingKeys::synchronousMessageFailedKey(), WebCore::ShouldSample::No);
response = ResourceResponse();
error = internalError(request.url());
}
}
void NetworkResourceLoader::startNetworkLoad(const ResourceRequest& request)
{
RELEASE_LOG_IF_ALLOWED("startNetworkLoad: (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ", isMainResource = %d, isSynchronous = %d)", m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier, isMainResource(), isSynchronous());
consumeSandboxExtensions();
if (isSynchronous() || m_parameters.maximumBufferingTime > 0ms)
m_bufferedData = SharedBuffer::create();
#if ENABLE(NETWORK_CACHE)
if (canUseCache(request))
m_bufferedDataForCache = SharedBuffer::create();
#endif
NetworkLoadParameters parameters = m_parameters;
parameters.defersLoading = m_defersLoading;
parameters.request = request;
#if USE(NETWORK_SESSION)
if (request.url().protocolIsBlob())
parameters.blobFileReferences = NetworkBlobRegistry::singleton().filesInBlob(m_connection, originalRequest().url());
auto* networkSession = SessionTracker::networkSession(parameters.sessionID);
if (!networkSession) {
WTFLogAlways("Attempted to create a NetworkLoad with a session (id=%" PRIu64 ") that does not exist.", parameters.sessionID.sessionID());
RELEASE_LOG_ERROR_IF_ALLOWED("startNetworkLoad: Attempted to create a NetworkLoad with a session that does not exist (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ", sessionID=%" PRIu64 ")", m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier, parameters.sessionID.sessionID());
NetworkProcess::singleton().logDiagnosticMessage(m_parameters.webPageID, WebCore::DiagnosticLoggingKeys::internalErrorKey(), WebCore::DiagnosticLoggingKeys::invalidSessionIDKey(), WebCore::ShouldSample::No);
didFailLoading(internalError(request.url()));
return;
}
m_networkLoad = std::make_unique<NetworkLoad>(*this, WTFMove(parameters), *networkSession);
#else
m_networkLoad = std::make_unique<NetworkLoad>(*this, WTFMove(parameters));
#endif
if (m_defersLoading) {
RELEASE_LOG_IF_ALLOWED("startNetworkLoad: Created, but deferred (pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ")",
m_parameters.webPageID, m_parameters.webFrameID, m_parameters.identifier);
}
}
void WebLoaderStrategy::scheduleLoad(ResourceLoader& resourceLoader, CachedResource* resource, bool shouldClearReferrerOnHTTPSToHTTPRedirect)
{
ResourceLoadIdentifier identifier = resourceLoader.identifier();
ASSERT(identifier);
// FIXME: Some entities in WebCore use WebCore's "EmptyFrameLoaderClient" instead of having a proper WebFrameLoaderClient.
// EmptyFrameLoaderClient shouldn't exist and everything should be using a WebFrameLoaderClient,
// but in the meantime we have to make sure not to mis-cast.
WebFrameLoaderClient* webFrameLoaderClient = toWebFrameLoaderClient(resourceLoader.frameLoader()->client());
WebFrame* webFrame = webFrameLoaderClient ? webFrameLoaderClient->webFrame() : nullptr;
WebPage* webPage = webFrame ? webFrame->page() : nullptr;
WebResourceLoader::TrackingParameters trackingParameters;
trackingParameters.pageID = webPage ? webPage->pageID() : 0;
trackingParameters.frameID = webFrame ? webFrame->frameID() : 0;
trackingParameters.resourceID = identifier;
#if ENABLE(WEB_ARCHIVE) || ENABLE(MHTML)
// If the DocumentLoader schedules this as an archive resource load,
// then we should remember the ResourceLoader in our records but not schedule it in the NetworkProcess.
if (resourceLoader.documentLoader()->scheduleArchiveLoad(resourceLoader, resourceLoader.request())) {
LOG(NetworkScheduling, "(WebProcess) WebLoaderStrategy::scheduleLoad, url '%s' will be handled as an archive resource.", resourceLoader.url().string().utf8().data());
RELEASE_LOG_IF_ALLOWED(resourceLoader, "scheduleLoad: URL will be handled as an archive resource (frame = %p, resourceID = %" PRIu64 ")", resourceLoader.frame(), identifier);
m_webResourceLoaders.set(identifier, WebResourceLoader::create(resourceLoader, trackingParameters));
return;
}
#endif
if (resourceLoader.documentLoader()->applicationCacheHost()->maybeLoadResource(resourceLoader, resourceLoader.request(), resourceLoader.request().url())) {
LOG(NetworkScheduling, "(WebProcess) WebLoaderStrategy::scheduleLoad, url '%s' will be loaded from application cache.", resourceLoader.url().string().utf8().data());
RELEASE_LOG_IF_ALLOWED(resourceLoader, "scheduleLoad: URL will be loaded from application cache (frame = %p, resourceID = %" PRIu64 ")", resourceLoader.frame(), identifier);
m_webResourceLoaders.set(identifier, WebResourceLoader::create(resourceLoader, trackingParameters));
return;
}
if (resourceLoader.request().url().protocolIsData()) {
LOG(NetworkScheduling, "(WebProcess) WebLoaderStrategy::scheduleLoad, url '%s' will be loaded as data.", resourceLoader.url().string().utf8().data());
RELEASE_LOG_IF_ALLOWED(resourceLoader, "scheduleLoad: URL will be loaded as data (frame = %p, resourceID = %" PRIu64 ")", resourceLoader.frame(), identifier);
startLocalLoad(resourceLoader);
return;
}
#if USE(QUICK_LOOK)
if (resourceLoader.request().url().protocolIs(QLPreviewProtocol())) {
LOG(NetworkScheduling, "(WebProcess) WebLoaderStrategy::scheduleLoad, url '%s' will be handled as a QuickLook resource.", resourceLoader.url().string().utf8().data());
RELEASE_LOG_IF_ALLOWED(resourceLoader, "scheduleLoad: URL will be handled as a QuickLook resource (frame = %p, resourceID = %" PRIu64 ")", resourceLoader.frame(), identifier);
startLocalLoad(resourceLoader);
return;
}
#endif
#if USE(SOUP)
// For apps that call g_resource_load in a web extension.
// https://blogs.gnome.org/alexl/2012/01/26/resources-in-glib/
if (resourceLoader.request().url().protocolIs("resource")) {
LOG(NetworkScheduling, "(WebProcess) WebLoaderStrategy::scheduleLoad, url '%s' will be handled as a GResource.", resourceLoader.url().string().utf8().data());
RELEASE_LOG_IF_ALLOWED(resourceLoader, "scheduleLoad: URL will be handled as a GResource (frame = %p, resourceID = %" PRIu64 ")", resourceLoader.frame(), identifier);
startLocalLoad(resourceLoader);
return;
}
#endif
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()));
ContentSniffingPolicy contentSniffingPolicy = resourceLoader.shouldSniffContent() ? SniffContent : DoNotSniffContent;
StoredCredentials allowStoredCredentials = resourceLoader.shouldUseCredentialStorage() ? AllowStoredCredentials : DoNotAllowStoredCredentials;
NetworkResourceLoadParameters loadParameters;
loadParameters.identifier = identifier;
loadParameters.webPageID = webPage ? webPage->pageID() : 0;
loadParameters.webFrameID = webFrame ? webFrame->frameID() : 0;
loadParameters.sessionID = webPage ? webPage->sessionID() : SessionID::defaultSessionID();
loadParameters.request = resourceLoader.request();
loadParameters.contentSniffingPolicy = contentSniffingPolicy;
loadParameters.allowStoredCredentials = allowStoredCredentials;
// If there is no WebFrame then this resource cannot be authenticated with the client.
loadParameters.clientCredentialPolicy = (webFrame && webPage && resourceLoader.isAllowedToAskUserForCredentials()) ? ClientCredentialPolicy::MayAskClientForCredentials : ClientCredentialPolicy::CannotAskClientForCredentials;
loadParameters.shouldClearReferrerOnHTTPSToHTTPRedirect = shouldClearReferrerOnHTTPSToHTTPRedirect;
loadParameters.defersLoading = resourceLoader.defersLoading();
loadParameters.needsCertificateInfo = resourceLoader.shouldIncludeCertificateInfo();
loadParameters.maximumBufferingTime = maximumBufferingTime(resource);
ASSERT((loadParameters.webPageID && loadParameters.webFrameID) || loadParameters.clientCredentialPolicy == ClientCredentialPolicy::CannotAskClientForCredentials);
if (!WebProcess::singleton().networkConnection().connection().send(Messages::NetworkConnectionToWebProcess::ScheduleResourceLoad(loadParameters), 0)) {
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, loadParameters.webFrameID, loadParameters.identifier);
// We probably failed to schedule this load with the NetworkProcess because it had crashed.
// This load will never succeed so we will schedule it to fail asynchronously.
scheduleInternallyFailedLoad(resourceLoader);
return;
}
auto webResourceLoader = WebResourceLoader::create(resourceLoader, trackingParameters);
RELEASE_LOG_IF_ALLOWED(resourceLoader, "scheduleLoad: Resource has been queued for scheduling with the NetworkProcess (frame = %p, priority = %d, pageID = %" PRIu64 ", frameID = %" PRIu64 ", resourceID = %" PRIu64 ", WebResourceLoader = %p)", resourceLoader.frame(), static_cast<int>(resourceLoader.request().priority()), loadParameters.webPageID, loadParameters.webFrameID, loadParameters.identifier, webResourceLoader.ptr());
m_webResourceLoaders.set(identifier, WTFMove(webResourceLoader));
}
