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NetworkResourceLoader.cpp
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/*
* Copyright (C) 2012-2019 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "NetworkResourceLoader.h"
#include "FormDataReference.h"
#include "Logging.h"
#include "NetworkCache.h"
#include "NetworkCacheSpeculativeLoadManager.h"
#include "NetworkConnectionToWebProcess.h"
#include "NetworkConnectionToWebProcessMessages.h"
#include "NetworkLoad.h"
#include "NetworkLoadChecker.h"
#include "NetworkProcess.h"
#include "NetworkProcessConnectionMessages.h"
#include "NetworkProcessProxyMessages.h"
#include "NetworkSession.h"
#include "ResourceLoadInfo.h"
#include "ServiceWorkerFetchTask.h"
#include "SharedBufferDataReference.h"
#include "WebCoreArgumentCoders.h"
#include "WebErrors.h"
#include "WebPageMessages.h"
#include "WebResourceLoaderMessages.h"
#include "WebSWServerConnection.h"
#include "WebsiteDataStoreParameters.h"
#include <WebCore/BlobDataFileReference.h>
#include <WebCore/CertificateInfo.h>
#include <WebCore/ContentSecurityPolicy.h>
#include <WebCore/DiagnosticLoggingKeys.h>
#include <WebCore/HTTPParsers.h>
#include <WebCore/NetworkLoadMetrics.h>
#include <WebCore/NetworkStorageSession.h>
#include <WebCore/RegistrableDomain.h>
#include <WebCore/SameSiteInfo.h>
#include <WebCore/SecurityOrigin.h>
#include <WebCore/SharedBuffer.h>
#include <wtf/Expected.h>
#include <wtf/RunLoop.h>
#if USE(QUICK_LOOK)
#include <WebCore/PreviewConverter.h>
#endif
#define RELEASE_LOG_IF_ALLOWED(fmt, ...) RELEASE_LOG_IF(isAlwaysOnLoggingAllowed(), Network, "%p - [pageProxyID=%" PRIu64 ", webPageID=%" PRIu64 ", frameID=%" PRIu64 ", resourceID=%" PRIu64 ", isMainResource=%d, destination=%u, isSynchronous=%d] NetworkResourceLoader::" fmt, this, m_parameters.webPageProxyID.toUInt64(), m_parameters.webPageID.toUInt64(), m_parameters.webFrameID.toUInt64(), m_parameters.identifier, isMainResource(), static_cast<unsigned>(m_parameters.options.destination), isSynchronous(), ##__VA_ARGS__)
#define RELEASE_LOG_ERROR_IF_ALLOWED(fmt, ...) RELEASE_LOG_ERROR_IF(isAlwaysOnLoggingAllowed(), Network, "%p - [pageProxyID=%" PRIu64 ", webPageID=%" PRIu64 ", frameID=%" PRIu64 ", resourceID=%" PRIu64 ", isMainResource=%d, destination=%u, isSynchronous=%d] NetworkResourceLoader::" fmt, this, m_parameters.webPageProxyID.toUInt64(), m_parameters.webPageID.toUInt64(), m_parameters.webFrameID.toUInt64(), m_parameters.identifier, isMainResource(), static_cast<unsigned>(m_parameters.options.destination), isSynchronous(), ##__VA_ARGS__)
namespace WebKit {
using namespace WebCore;
struct NetworkResourceLoader::SynchronousLoadData {
WTF_MAKE_STRUCT_FAST_ALLOCATED;
SynchronousLoadData(Messages::NetworkConnectionToWebProcess::PerformSynchronousLoad::DelayedReply&& reply)
: delayedReply(WTFMove(reply))
{
ASSERT(delayedReply);
}
ResourceRequest currentRequest;
Messages::NetworkConnectionToWebProcess::PerformSynchronousLoad::DelayedReply delayedReply;
ResourceResponse response;
ResourceError error;
};
static void sendReplyToSynchronousRequest(NetworkResourceLoader::SynchronousLoadData& data, const SharedBuffer* buffer)
{
ASSERT(data.delayedReply);
ASSERT(!data.response.isNull() || !data.error.isNull());
Vector<char> responseBuffer;
if (buffer && buffer->size())
responseBuffer.append(buffer->data(), buffer->size());
data.delayedReply(data.error, data.response, responseBuffer);
data.delayedReply = nullptr;
}
NetworkResourceLoader::NetworkResourceLoader(NetworkResourceLoadParameters&& parameters, NetworkConnectionToWebProcess& connection, Messages::NetworkConnectionToWebProcess::PerformSynchronousLoad::DelayedReply&& synchronousReply)
: m_parameters { WTFMove(parameters) }
, m_connection { connection }
, m_fileReferences(connection.resolveBlobReferences(m_parameters))
, m_isAllowedToAskUserForCredentials { m_parameters.clientCredentialPolicy == ClientCredentialPolicy::MayAskClientForCredentials }
, m_bufferingTimer { *this, &NetworkResourceLoader::bufferingTimerFired }
, m_shouldCaptureExtraNetworkLoadMetrics(m_connection->captureExtraNetworkLoadMetricsEnabled())
, m_resourceLoadID { NetworkResourceLoadIdentifier::generate() }
{
ASSERT(RunLoop::isMain());
if (auto* session = connection.networkProcess().networkSession(sessionID()))
m_cache = session->cache();
// FIXME: This is necessary because of the existence of EmptyFrameLoaderClient in WebCore.
// Once bug 116233 is resolved, this ASSERT can just be "m_webPageID && m_webFrameID"
ASSERT((m_parameters.webPageID && m_parameters.webFrameID) || m_parameters.clientCredentialPolicy == ClientCredentialPolicy::CannotAskClientForCredentials);
if (synchronousReply || parameters.shouldRestrictHTTPResponseAccess || parameters.options.keepAlive) {
NetworkLoadChecker::LoadType requestLoadType = isMainFrameLoad() ? NetworkLoadChecker::LoadType::MainFrame : NetworkLoadChecker::LoadType::Other;
m_networkLoadChecker = makeUnique<NetworkLoadChecker>(connection.networkProcess(), this, &connection.schemeRegistry(), FetchOptions { m_parameters.options }, sessionID(), m_parameters.webPageProxyID, HTTPHeaderMap { m_parameters.originalRequestHeaders }, URL { m_parameters.request.url() }, m_parameters.sourceOrigin.copyRef(), m_parameters.topOrigin.copyRef(), m_parameters.preflightPolicy, originalRequest().httpReferrer(), m_parameters.isHTTPSUpgradeEnabled, shouldCaptureExtraNetworkLoadMetrics(), requestLoadType);
if (m_parameters.cspResponseHeaders)
m_networkLoadChecker->setCSPResponseHeaders(ContentSecurityPolicyResponseHeaders { m_parameters.cspResponseHeaders.value() });
#if ENABLE(CONTENT_EXTENSIONS)
m_networkLoadChecker->setContentExtensionController(URL { m_parameters.mainDocumentURL }, m_parameters.userContentControllerIdentifier);
#endif
}
if (synchronousReply)
m_synchronousLoadData = makeUnique<SynchronousLoadData>(WTFMove(synchronousReply));
}
NetworkResourceLoader::~NetworkResourceLoader()
{
ASSERT(RunLoop::isMain());
ASSERT(!m_networkLoad);
ASSERT(!isSynchronous() || !m_synchronousLoadData->delayedReply);
ASSERT(m_fileReferences.isEmpty());
if (m_responseCompletionHandler)
m_responseCompletionHandler(PolicyAction::Ignore);
}
bool NetworkResourceLoader::canUseCache(const ResourceRequest& request) const
{
if (!m_cache)
return false;
ASSERT(!sessionID().isEphemeral());
if (!request.url().protocolIsInHTTPFamily())
return false;
if (originalRequest().cachePolicy() == WebCore::ResourceRequestCachePolicy::DoNotUseAnyCache)
return false;
return true;
}
bool NetworkResourceLoader::canUseCachedRedirect(const ResourceRequest& request) const
{
if (!canUseCache(request) || m_cacheEntryForMaxAgeCapValidation)
return false;
// Limit cached redirects to avoid cycles and other trouble.
// Networking layer follows over 30 redirects but caching that many seems unnecessary.
static const unsigned maximumCachedRedirectCount { 5 };
if (m_redirectCount > maximumCachedRedirectCount)
return false;
return true;
}
bool NetworkResourceLoader::isSynchronous() const
{
return !!m_synchronousLoadData;
}
void NetworkResourceLoader::start()
{
ASSERT(RunLoop::isMain());
RELEASE_LOG_IF_ALLOWED("start: hasNetworkLoadChecker=%d", !!m_networkLoadChecker);
m_networkActivityTracker = m_connection->startTrackingResourceLoad(m_parameters.webPageID, m_parameters.identifier, isMainFrameLoad());
ASSERT(!m_wasStarted);
m_wasStarted = true;
if (m_networkLoadChecker) {
m_networkLoadChecker->check(ResourceRequest { originalRequest() }, this, [this, weakThis = makeWeakPtr(*this)] (auto&& result) {
if (!weakThis)
return;
WTF::switchOn(result,
[this] (ResourceError& error) {
RELEASE_LOG_IF_ALLOWED("start: NetworkLoadChecker::check returned an error (error.domain=%" PUBLIC_LOG_STRING ", error.code=%d, isCancellation=%d)", error.domain().utf8().data(), error.errorCode(), error.isCancellation());
if (!error.isCancellation())
this->didFailLoading(error);
},
[this] (NetworkLoadChecker::RedirectionTriplet& triplet) {
RELEASE_LOG_IF_ALLOWED("start: NetworkLoadChecker::check returned a synthetic redirect");
this->m_isWaitingContinueWillSendRequestForCachedRedirect = true;
this->willSendRedirectedRequest(WTFMove(triplet.request), WTFMove(triplet.redirectRequest), WTFMove(triplet.redirectResponse));
},
[this] (ResourceRequest& request) {
RELEASE_LOG_IF_ALLOWED("start: NetworkLoadChecker::check is done");
if (this->canUseCache(request)) {
this->retrieveCacheEntry(request);
return;
}
this->startNetworkLoad(WTFMove(request), FirstLoad::Yes);
}
);
});
return;
}
// FIXME: Remove that code path once m_networkLoadChecker is used for all network loads.
if (canUseCache(originalRequest())) {
retrieveCacheEntry(originalRequest());
return;
}
startNetworkLoad(ResourceRequest { originalRequest() }, FirstLoad::Yes);
}
void NetworkResourceLoader::retrieveCacheEntry(const ResourceRequest& request)
{
RELEASE_LOG_IF_ALLOWED("retrieveCacheEntry: isMainFrameLoad=%d", isMainFrameLoad());
ASSERT(canUseCache(request));
auto protectedThis = makeRef(*this);
if (isMainFrameLoad()) {
ASSERT(m_parameters.options.mode == FetchOptions::Mode::Navigate);
if (auto* session = m_connection->networkProcess().networkSession(sessionID())) {
if (auto entry = session->prefetchCache().take(request.url())) {
RELEASE_LOG_IF_ALLOWED("retrieveCacheEntry: retrieved an entry from the prefetch cache (isRedirect=%d)", !entry->redirectRequest.isNull());
if (!entry->redirectRequest.isNull()) {
auto cacheEntry = m_cache->makeRedirectEntry(request, entry->response, entry->redirectRequest);
retrieveCacheEntryInternal(WTFMove(cacheEntry), ResourceRequest { request });
auto maxAgeCap = validateCacheEntryForMaxAgeCapValidation(request, entry->redirectRequest, entry->response);
m_cache->storeRedirect(request, entry->response, entry->redirectRequest, maxAgeCap);
return;
}
auto buffer = entry->releaseBuffer();
auto cacheEntry = m_cache->makeEntry(request, entry->response, buffer.copyRef());
retrieveCacheEntryInternal(WTFMove(cacheEntry), ResourceRequest { request });
m_cache->store(request, entry->response, WTFMove(buffer));
return;
}
}
}
RELEASE_LOG_IF_ALLOWED("retrieveCacheEntry: Checking the HTTP disk cache");
m_cache->retrieve(request, globalFrameID(), m_parameters.isNavigatingToAppBoundDomain, [this, weakThis = makeWeakPtr(*this), request = ResourceRequest { request }](auto entry, auto info) mutable {
if (!weakThis)
return;
RELEASE_LOG_IF_ALLOWED("retrieveCacheEntry: Done checking the HTTP disk cache (foundCachedEntry=%d)", !!entry);
logSlowCacheRetrieveIfNeeded(info);
if (!entry) {
startNetworkLoad(WTFMove(request), FirstLoad::Yes);
return;
}
retrieveCacheEntryInternal(WTFMove(entry), WTFMove(request));
});
}
void NetworkResourceLoader::retrieveCacheEntryInternal(std::unique_ptr<NetworkCache::Entry>&& entry, WebCore::ResourceRequest&& request)
{
RELEASE_LOG_IF_ALLOWED("retrieveCacheEntryInternal:");
#if ENABLE(RESOURCE_LOAD_STATISTICS)
if (entry->hasReachedPrevalentResourceAgeCap()) {
RELEASE_LOG_IF_ALLOWED("retrieveCacheEntryInternal: Revalidating cached entry because it reached the prevalent resource age cap");
m_cacheEntryForMaxAgeCapValidation = WTFMove(entry);
ResourceRequest revalidationRequest = originalRequest();
startNetworkLoad(WTFMove(revalidationRequest), FirstLoad::Yes);
return;
}
#endif
if (entry->redirectRequest()) {
RELEASE_LOG_IF_ALLOWED("retrieveCacheEntryInternal: Cached entry is a redirect");
dispatchWillSendRequestForCacheEntry(WTFMove(request), WTFMove(entry));
return;
}
if (m_parameters.needsCertificateInfo && !entry->response().certificateInfo()) {
RELEASE_LOG_IF_ALLOWED("retrieveCacheEntryInternal: Cached entry is missing certificate information so we are not using it");
startNetworkLoad(WTFMove(request), FirstLoad::Yes);
return;
}
if (entry->needsValidation() || request.cachePolicy() == WebCore::ResourceRequestCachePolicy::RefreshAnyCacheData) {
RELEASE_LOG_IF_ALLOWED("retrieveCacheEntryInternal: Cached entry needs revalidation");
validateCacheEntry(WTFMove(entry));
return;
}
RELEASE_LOG_IF_ALLOWED("retrieveCacheEntryInternal: Cached entry is directly usable");
didRetrieveCacheEntry(WTFMove(entry));
}
void NetworkResourceLoader::startNetworkLoad(ResourceRequest&& request, FirstLoad load)
{
RELEASE_LOG_IF_ALLOWED("startNetworkLoad: (isFirstLoad=%d, timeout=%f)", load == FirstLoad::Yes, request.timeoutInterval());
if (load == FirstLoad::Yes) {
consumeSandboxExtensions();
if (isSynchronous() || m_parameters.maximumBufferingTime > 0_s)
m_bufferedData = SharedBuffer::create();
if (canUseCache(request))
m_bufferedDataForCache = SharedBuffer::create();
}
NetworkLoadParameters parameters = m_parameters;
parameters.networkActivityTracker = m_networkActivityTracker;
if (parameters.storedCredentialsPolicy == WebCore::StoredCredentialsPolicy::Use && m_networkLoadChecker)
parameters.storedCredentialsPolicy = m_networkLoadChecker->storedCredentialsPolicy();
auto* networkSession = m_connection->networkSession();
if (!networkSession) {
WTFLogAlways("Attempted to create a NetworkLoad with a session (id=%" PRIu64 ") that does not exist.", sessionID().toUInt64());
RELEASE_LOG_ERROR_IF_ALLOWED("startNetworkLoad: Attempted to create a NetworkLoad for a session that does not exist (sessionID=%" PRIu64 ")", sessionID().toUInt64());
m_connection->networkProcess().logDiagnosticMessage(m_parameters.webPageProxyID, WebCore::DiagnosticLoggingKeys::internalErrorKey(), WebCore::DiagnosticLoggingKeys::invalidSessionIDKey(), WebCore::ShouldSample::No);
didFailLoading(internalError(request.url()));
return;
}
if (request.url().protocolIsBlob())
parameters.blobFileReferences = networkSession->blobRegistry().filesInBlob(originalRequest().url());
if (m_parameters.pageHasResourceLoadClient) {
Optional<IPC::FormDataReference> httpBody;
if (auto* formData = request.httpBody()) {
static constexpr auto maxSerializedRequestSize = 1024 * 1024;
if (formData->lengthInBytes() <= maxSerializedRequestSize)
httpBody = IPC::FormDataReference { formData };
}
m_connection->networkProcess().parentProcessConnection()->send(Messages::NetworkProcessProxy::ResourceLoadDidSendRequest(m_parameters.webPageProxyID, resourceLoadInfo(), request, httpBody), 0);
}
parameters.request = WTFMove(request);
parameters.isNavigatingToAppBoundDomain = m_parameters.isNavigatingToAppBoundDomain;
m_networkLoad = makeUnique<NetworkLoad>(*this, &networkSession->blobRegistry(), WTFMove(parameters), *networkSession);
m_networkLoad->start();
RELEASE_LOG_IF_ALLOWED("startNetworkLoad: Going to the network (description=%" PUBLIC_LOG_STRING ")", m_networkLoad->description().utf8().data());
}
ResourceLoadInfo NetworkResourceLoader::resourceLoadInfo()
{
auto loadedFromCache = [] (const ResourceResponse& response) {
switch (response.source()) {
case ResourceResponse::Source::DiskCache:
case ResourceResponse::Source::DiskCacheAfterValidation:
case ResourceResponse::Source::MemoryCache:
case ResourceResponse::Source::MemoryCacheAfterValidation:
case ResourceResponse::Source::ApplicationCache:
case ResourceResponse::Source::DOMCache:
return true;
case ResourceResponse::Source::Unknown:
case ResourceResponse::Source::Network:
case ResourceResponse::Source::ServiceWorker:
case ResourceResponse::Source::InspectorOverride:
break;
}
return false;
};
auto resourceType = [] (WebCore::ResourceRequestBase::Requester requester, WebCore::FetchOptions::Destination destination) {
switch (requester) {
case WebCore::ResourceRequestBase::Requester::XHR:
return ResourceLoadInfo::Type::XMLHTTPRequest;
case WebCore::ResourceRequestBase::Requester::Fetch:
return ResourceLoadInfo::Type::Fetch;
case WebCore::ResourceRequestBase::Requester::Ping:
return ResourceLoadInfo::Type::Ping;
case WebCore::ResourceRequestBase::Requester::Beacon:
return ResourceLoadInfo::Type::Beacon;
default:
break;
}
switch (destination) {
case WebCore::FetchOptions::Destination::EmptyString:
return ResourceLoadInfo::Type::Other;
case WebCore::FetchOptions::Destination::Audio:
return ResourceLoadInfo::Type::Media;
case WebCore::FetchOptions::Destination::Audioworklet:
return ResourceLoadInfo::Type::Other;
case WebCore::FetchOptions::Destination::Document:
return ResourceLoadInfo::Type::Document;
case WebCore::FetchOptions::Destination::Embed:
return ResourceLoadInfo::Type::Object;
case WebCore::FetchOptions::Destination::Font:
return ResourceLoadInfo::Type::Font;
case WebCore::FetchOptions::Destination::Image:
return ResourceLoadInfo::Type::Image;
case WebCore::FetchOptions::Destination::Manifest:
return ResourceLoadInfo::Type::ApplicationManifest;
case WebCore::FetchOptions::Destination::Object:
return ResourceLoadInfo::Type::Object;
case WebCore::FetchOptions::Destination::Paintworklet:
return ResourceLoadInfo::Type::Other;
case WebCore::FetchOptions::Destination::Report:
return ResourceLoadInfo::Type::CSPReport;
case WebCore::FetchOptions::Destination::Script:
return ResourceLoadInfo::Type::Script;
case WebCore::FetchOptions::Destination::Serviceworker:
return ResourceLoadInfo::Type::Other;
case WebCore::FetchOptions::Destination::Sharedworker:
return ResourceLoadInfo::Type::Other;
case WebCore::FetchOptions::Destination::Style:
return ResourceLoadInfo::Type::Stylesheet;
case WebCore::FetchOptions::Destination::Track:
return ResourceLoadInfo::Type::Media;
case WebCore::FetchOptions::Destination::Video:
return ResourceLoadInfo::Type::Media;
case WebCore::FetchOptions::Destination::Worker:
return ResourceLoadInfo::Type::Other;
case WebCore::FetchOptions::Destination::Xslt:
return ResourceLoadInfo::Type::XSLT;
}
ASSERT_NOT_REACHED();
return ResourceLoadInfo::Type::Other;
};
return ResourceLoadInfo {
m_resourceLoadID,
m_parameters.webFrameID,
m_parameters.parentFrameID,
originalRequest().url(),
originalRequest().httpMethod(),
WallTime::now(),
loadedFromCache(m_response),
resourceType(originalRequest().requester(), m_parameters.options.destination)
};
}
void NetworkResourceLoader::cleanup(LoadResult result)
{
ASSERT(RunLoop::isMain());
RELEASE_LOG_IF_ALLOWED("cleanup: (result=%u)", static_cast<unsigned>(result));
NetworkActivityTracker::CompletionCode code { };
switch (result) {
case LoadResult::Unknown:
code = NetworkActivityTracker::CompletionCode::Undefined;
break;
case LoadResult::Success:
code = NetworkActivityTracker::CompletionCode::Success;
break;
case LoadResult::Failure:
code = NetworkActivityTracker::CompletionCode::Failure;
break;
case LoadResult::Cancel:
code = NetworkActivityTracker::CompletionCode::Cancel;
break;
}
m_connection->stopTrackingResourceLoad(m_parameters.identifier, code);
m_bufferingTimer.stop();
invalidateSandboxExtensions();
m_networkLoad = nullptr;
// This will cause NetworkResourceLoader to be destroyed and therefore we do it last.
m_connection->didCleanupResourceLoader(*this);
}
void NetworkResourceLoader::convertToDownload(DownloadID downloadID, const ResourceRequest& request, const ResourceResponse& response)
{
RELEASE_LOG_IF_ALLOWED("convertToDownload: (downloadID=%" PRIu64 ", hasNetworkLoad=%d, hasResponseCompletionHandler=%d)", downloadID.toUInt64(), !!m_networkLoad, !!m_responseCompletionHandler);
// This can happen if the resource came from the disk cache.
if (!m_networkLoad) {
m_connection->networkProcess().downloadManager().startDownload(sessionID(), downloadID, request, m_parameters.isNavigatingToAppBoundDomain);
abort();
return;
}
if (m_responseCompletionHandler)
m_connection->networkProcess().downloadManager().convertNetworkLoadToDownload(downloadID, std::exchange(m_networkLoad, nullptr), WTFMove(m_responseCompletionHandler), WTFMove(m_fileReferences), request, response);
}
void NetworkResourceLoader::abort()
{
RELEASE_LOG_IF_ALLOWED("abort: (hasNetworkLoad=%d)", !!m_networkLoad);
ASSERT(RunLoop::isMain());
if (m_parameters.options.keepAlive && m_response.isNull() && !m_isKeptAlive) {
m_isKeptAlive = true;
RELEASE_LOG_IF_ALLOWED("abort: Keeping network load alive due to keepalive option");
m_connection->transferKeptAliveLoad(*this);
return;
}
#if ENABLE(SERVICE_WORKER)
if (auto task = WTFMove(m_serviceWorkerFetchTask)) {
RELEASE_LOG_IF_ALLOWED("abort: Cancelling pending service worker fetch task (fetchIdentifier=%" PRIu64 ")", task->fetchIdentifier().toUInt64());
task->cancelFromClient();
}
#endif
if (m_networkLoad) {
if (canUseCache(m_networkLoad->currentRequest())) {
// We might already have used data from this incomplete load. Ensure older versions don't remain in the cache after cancel.
if (!m_response.isNull())
m_cache->remove(m_networkLoad->currentRequest());
}
RELEASE_LOG_IF_ALLOWED("abort: Cancelling network load");
m_networkLoad->cancel();
}
cleanup(LoadResult::Cancel);
}
bool NetworkResourceLoader::shouldInterruptLoadForXFrameOptions(const String& xFrameOptions, const URL& url)
{
if (isMainFrameLoad())
return false;
switch (parseXFrameOptionsHeader(xFrameOptions)) {
case XFrameOptionsDisposition::None:
case XFrameOptionsDisposition::AllowAll:
return false;
case XFrameOptionsDisposition::Deny:
return true;
case XFrameOptionsDisposition::SameOrigin: {
auto origin = SecurityOrigin::create(url);
auto topFrameOrigin = m_parameters.frameAncestorOrigins.last();
if (!origin->isSameSchemeHostPort(*topFrameOrigin))
return true;
for (auto& ancestorOrigin : m_parameters.frameAncestorOrigins) {
if (!origin->isSameSchemeHostPort(*ancestorOrigin))
return true;
}
return false;
}
case XFrameOptionsDisposition::Conflict: {
String errorMessage = "Multiple 'X-Frame-Options' headers with conflicting values ('" + xFrameOptions + "') encountered when loading '" + url.stringCenterEllipsizedToLength() + "'. Falling back to 'DENY'.";
send(Messages::WebPage::AddConsoleMessage { m_parameters.webFrameID, MessageSource::JS, MessageLevel::Error, errorMessage, identifier() }, m_parameters.webPageID);
return true;
}
case XFrameOptionsDisposition::Invalid: {
String errorMessage = "Invalid 'X-Frame-Options' header encountered when loading '" + url.stringCenterEllipsizedToLength() + "': '" + xFrameOptions + "' is not a recognized directive. The header will be ignored.";
send(Messages::WebPage::AddConsoleMessage { m_parameters.webFrameID, MessageSource::JS, MessageLevel::Error, errorMessage, identifier() }, m_parameters.webPageID);
return false;
}
}
ASSERT_NOT_REACHED();
return false;
}
bool NetworkResourceLoader::shouldInterruptLoadForCSPFrameAncestorsOrXFrameOptions(const ResourceResponse& response)
{
ASSERT(isMainResource());
#if USE(QUICK_LOOK)
if (PreviewConverter::supportsMIMEType(response.mimeType()))
return false;
#endif
auto url = response.url();
ContentSecurityPolicy contentSecurityPolicy { URL { url }, this };
contentSecurityPolicy.didReceiveHeaders(ContentSecurityPolicyResponseHeaders { response }, originalRequest().httpReferrer());
if (!contentSecurityPolicy.allowFrameAncestors(m_parameters.frameAncestorOrigins, url))
return true;
if (!contentSecurityPolicy.overridesXFrameOptions()) {
String xFrameOptions = m_response.httpHeaderField(HTTPHeaderName::XFrameOptions);
if (!xFrameOptions.isNull() && shouldInterruptLoadForXFrameOptions(xFrameOptions, response.url())) {
String errorMessage = "Refused to display '" + response.url().stringCenterEllipsizedToLength() + "' in a frame because it set 'X-Frame-Options' to '" + xFrameOptions + "'.";
send(Messages::WebPage::AddConsoleMessage { m_parameters.webFrameID, MessageSource::Security, MessageLevel::Error, errorMessage, identifier() }, m_parameters.webPageID);
return true;
}
}
return false;
}
void NetworkResourceLoader::didReceiveResponse(ResourceResponse&& receivedResponse, ResponseCompletionHandler&& completionHandler)
{
RELEASE_LOG_IF_ALLOWED("didReceiveResponse: (httpStatusCode=%d, MIMEType=%" PUBLIC_LOG_STRING ", expectedContentLength=%" PRId64 ", hasCachedEntryForValidation=%d, hasNetworkLoadChecker=%d)", receivedResponse.httpStatusCode(), receivedResponse.mimeType().utf8().data(), receivedResponse.expectedContentLength(), !!m_cacheEntryForValidation, !!m_networkLoadChecker);
if (isMainResource())
didReceiveMainResourceResponse(receivedResponse);
m_response = WTFMove(receivedResponse);
if (shouldCaptureExtraNetworkLoadMetrics() && m_networkLoadChecker) {
auto information = m_networkLoadChecker->takeNetworkLoadInformation();
information.response = m_response;
m_connection->addNetworkLoadInformation(identifier(), WTFMove(information));
}
// For multipart/x-mixed-replace didReceiveResponseAsync gets called multiple times and buffering would require special handling.
if (!isSynchronous() && m_response.isMultipart())
m_bufferedData = nullptr;
if (m_response.isMultipart())
m_bufferedDataForCache = nullptr;
if (m_cacheEntryForValidation) {
bool validationSucceeded = m_response.httpStatusCode() == 304; // 304 Not Modified
RELEASE_LOG_IF_ALLOWED("didReceiveResponse: Received revalidation response (validationSucceeded=%d, wasOriginalRequestConditional=%d)", validationSucceeded, originalRequest().isConditional());
if (validationSucceeded) {
m_cacheEntryForValidation = m_cache->update(originalRequest(), *m_cacheEntryForValidation, m_response);
// If the request was conditional then this revalidation was not triggered by the network cache and we pass the 304 response to WebCore.
if (originalRequest().isConditional())
m_cacheEntryForValidation = nullptr;
} else
m_cacheEntryForValidation = nullptr;
}
if (m_cacheEntryForValidation)
return completionHandler(PolicyAction::Use);
if (isMainResource() && shouldInterruptLoadForCSPFrameAncestorsOrXFrameOptions(m_response)) {
RELEASE_LOG_ERROR_IF_ALLOWED("didReceiveResponse: Interrupting main resource load due to CSP frame-ancestors or X-Frame-Options");
auto response = sanitizeResponseIfPossible(ResourceResponse { m_response }, ResourceResponse::SanitizationType::CrossOriginSafe);
send(Messages::WebResourceLoader::StopLoadingAfterXFrameOptionsOrContentSecurityPolicyDenied { response });
return completionHandler(PolicyAction::Ignore);
}
if (m_networkLoadChecker) {
auto error = m_networkLoadChecker->validateResponse(m_networkLoad ? m_networkLoad->currentRequest() : originalRequest(), m_response);
if (!error.isNull()) {
RELEASE_LOG_ERROR_IF_ALLOWED("didReceiveResponse: NetworkLoadChecker::validateResponse returned an error (error.domain=%" PUBLIC_LOG_STRING ", error.code=%d)", error.domain().utf8().data(), error.errorCode());
RunLoop::main().dispatch([protectedThis = makeRef(*this), error = WTFMove(error)] {
if (protectedThis->m_networkLoad)
protectedThis->didFailLoading(error);
});
return completionHandler(PolicyAction::Ignore);
}
}
auto response = sanitizeResponseIfPossible(ResourceResponse { m_response }, ResourceResponse::SanitizationType::CrossOriginSafe);
if (isSynchronous()) {
RELEASE_LOG_IF_ALLOWED("didReceiveResponse: Using response for synchronous load");
m_synchronousLoadData->response = WTFMove(response);
return completionHandler(PolicyAction::Use);
}
if (isCrossOriginPrefetch()) {
RELEASE_LOG_IF_ALLOWED("didReceiveResponse: Using response for cross-origin prefetch");
if (response.httpHeaderField(HTTPHeaderName::Vary).contains("Cookie")) {
RELEASE_LOG_IF_ALLOWED("didReceiveResponse: Canceling cross-origin prefetch for Vary: Cookie");
abort();
return completionHandler(PolicyAction::Ignore);
}
return completionHandler(PolicyAction::Use);
}
// We wait to receive message NetworkResourceLoader::ContinueDidReceiveResponse before continuing a load for
// a main resource because the embedding client must decide whether to allow the load.
bool willWaitForContinueDidReceiveResponse = isMainResource();
RELEASE_LOG_IF_ALLOWED("didReceiveResponse: Sending WebResourceLoader::DidReceiveResponse IPC (willWaitForContinueDidReceiveResponse=%d)", willWaitForContinueDidReceiveResponse);
send(Messages::WebResourceLoader::DidReceiveResponse { response, willWaitForContinueDidReceiveResponse });
if (m_parameters.pageHasResourceLoadClient)
m_connection->networkProcess().parentProcessConnection()->send(Messages::NetworkProcessProxy::ResourceLoadDidReceiveResponse(m_parameters.webPageProxyID, resourceLoadInfo(), response), 0);
if (willWaitForContinueDidReceiveResponse) {
m_responseCompletionHandler = WTFMove(completionHandler);
return;
}
if (m_isKeptAlive) {
RELEASE_LOG_IF_ALLOWED("didReceiveResponse: Ignoring response because of keepalive option");
return completionHandler(PolicyAction::Ignore);
}
RELEASE_LOG_IF_ALLOWED("didReceiveResponse: Using response");
completionHandler(PolicyAction::Use);
}
void NetworkResourceLoader::didReceiveBuffer(Ref<SharedBuffer>&& buffer, int reportedEncodedDataLength)
{
if (!m_numBytesReceived)
RELEASE_LOG_IF_ALLOWED("didReceiveBuffer: Started receiving data (reportedEncodedDataLength=%d)", reportedEncodedDataLength);
m_numBytesReceived += buffer->size();
ASSERT(!m_cacheEntryForValidation);
if (m_bufferedDataForCache) {
// Prevent memory growth in case of streaming data and limit size of entries in the cache.
const size_t maximumCacheBufferSize = m_cache->capacity() / 8;
if (m_bufferedDataForCache->size() + buffer->size() <= maximumCacheBufferSize)
m_bufferedDataForCache->append(buffer.get());
else
m_bufferedDataForCache = nullptr;
}
if (isCrossOriginPrefetch())
return;
// FIXME: At least on OS X Yosemite we always get -1 from the resource handle.
unsigned encodedDataLength = reportedEncodedDataLength >= 0 ? reportedEncodedDataLength : buffer->size();
if (m_bufferedData) {
m_bufferedData->append(buffer.get());
m_bufferedDataEncodedDataLength += encodedDataLength;
startBufferingTimerIfNeeded();
return;
}
sendBuffer(buffer, encodedDataLength);
}
void NetworkResourceLoader::didFinishLoading(const NetworkLoadMetrics& networkLoadMetrics)
{
RELEASE_LOG_IF_ALLOWED("didFinishLoading: (numBytesReceived=%zd, hasCacheEntryForValidation=%d)", m_numBytesReceived, !!m_cacheEntryForValidation);
if (shouldCaptureExtraNetworkLoadMetrics())
m_connection->addNetworkLoadInformationMetrics(identifier(), networkLoadMetrics);
if (m_cacheEntryForValidation) {
// 304 Not Modified
ASSERT(m_response.httpStatusCode() == 304);
LOG(NetworkCache, "(NetworkProcess) revalidated");
didRetrieveCacheEntry(WTFMove(m_cacheEntryForValidation));
return;
}
#if ENABLE(RESOURCE_LOAD_STATISTICS) && !RELEASE_LOG_DISABLED
if (shouldLogCookieInformation(m_connection, sessionID()))
logCookieInformation();
#endif
if (isSynchronous())
sendReplyToSynchronousRequest(*m_synchronousLoadData, m_bufferedData.get());
else {
if (m_bufferedData && !m_bufferedData->isEmpty()) {
// FIXME: Pass a real value or remove the encoded data size feature.
sendBuffer(*m_bufferedData, -1);
}
send(Messages::WebResourceLoader::DidFinishResourceLoad(networkLoadMetrics));
}
tryStoreAsCacheEntry();
if (m_parameters.pageHasResourceLoadClient)
m_connection->networkProcess().parentProcessConnection()->send(Messages::NetworkProcessProxy::ResourceLoadDidCompleteWithError(m_parameters.webPageProxyID, resourceLoadInfo(), m_response, { }), 0);
cleanup(LoadResult::Success);
}
void NetworkResourceLoader::didFailLoading(const ResourceError& error)
{
bool wasServiceWorkerLoad = false;
#if ENABLE(SERVICE_WORKER)
wasServiceWorkerLoad = !!m_serviceWorkerFetchTask;
#endif
RELEASE_LOG_ERROR_IF_ALLOWED("didFailLoading: (wasServiceWorkerLoad=%d, isTimeout=%d, isCancellation=%d, isAccessControl=%d, errorCode=%d)", wasServiceWorkerLoad, error.isTimeout(), error.isCancellation(), error.isAccessControl(), error.errorCode());
UNUSED_VARIABLE(wasServiceWorkerLoad);
if (shouldCaptureExtraNetworkLoadMetrics())
m_connection->removeNetworkLoadInformation(identifier());
ASSERT(!error.isNull());
m_cacheEntryForValidation = nullptr;
if (isSynchronous()) {
m_synchronousLoadData->error = error;
sendReplyToSynchronousRequest(*m_synchronousLoadData, nullptr);
} else if (auto* connection = messageSenderConnection()) {
#if ENABLE(SERVICE_WORKER)
if (m_serviceWorkerFetchTask)
connection->send(Messages::WebResourceLoader::DidFailServiceWorkerLoad(error), messageSenderDestinationID());
else
connection->send(Messages::WebResourceLoader::DidFailResourceLoad(error), messageSenderDestinationID());
#else
connection->send(Messages::WebResourceLoader::DidFailResourceLoad(error), messageSenderDestinationID());
#endif
}
if (m_parameters.pageHasResourceLoadClient)
m_connection->networkProcess().parentProcessConnection()->send(Messages::NetworkProcessProxy::ResourceLoadDidCompleteWithError(m_parameters.webPageProxyID, resourceLoadInfo(), { }, error), 0);
cleanup(LoadResult::Failure);
}
void NetworkResourceLoader::didBlockAuthenticationChallenge()
{
RELEASE_LOG_IF_ALLOWED("didBlockAuthenticationChallenge:");
send(Messages::WebResourceLoader::DidBlockAuthenticationChallenge());
}
void NetworkResourceLoader::didReceiveChallenge(const AuthenticationChallenge& challenge)
{
if (m_parameters.pageHasResourceLoadClient)
m_connection->networkProcess().parentProcessConnection()->send(Messages::NetworkProcessProxy::ResourceLoadDidReceiveChallenge(m_parameters.webPageProxyID, resourceLoadInfo(), challenge), 0);
}
Optional<Seconds> NetworkResourceLoader::validateCacheEntryForMaxAgeCapValidation(const ResourceRequest& request, const ResourceRequest& redirectRequest, const ResourceResponse& redirectResponse)
{
#if ENABLE(RESOURCE_LOAD_STATISTICS)
bool existingCacheEntryMatchesNewResponse = false;
if (m_cacheEntryForMaxAgeCapValidation) {
ASSERT(redirectResponse.source() == ResourceResponse::Source::Network);
ASSERT(redirectResponse.isRedirection());
if (redirectResponse.httpHeaderField(WebCore::HTTPHeaderName::Location) == m_cacheEntryForMaxAgeCapValidation->response().httpHeaderField(WebCore::HTTPHeaderName::Location))
existingCacheEntryMatchesNewResponse = true;
m_cache->remove(m_cacheEntryForMaxAgeCapValidation->key());
m_cacheEntryForMaxAgeCapValidation = nullptr;
}
if (!existingCacheEntryMatchesNewResponse) {
if (auto* networkStorageSession = m_connection->networkProcess().storageSession(sessionID()))
return networkStorageSession->maxAgeCacheCap(request);
}
#endif
return WTF::nullopt;
}
void NetworkResourceLoader::willSendRedirectedRequest(ResourceRequest&& request, ResourceRequest&& redirectRequest, ResourceResponse&& redirectResponse)
{
RELEASE_LOG_IF_ALLOWED("willSendRedirectedRequest:");
++m_redirectCount;
m_redirectResponse = redirectResponse;
Optional<AdClickAttribution::Conversion> adClickConversion;
if (!sessionID().isEphemeral()) {
if (auto result = AdClickAttribution::parseConversionRequest(redirectRequest.url()))
adClickConversion = result.value();
else if (!result.error().isEmpty())
addConsoleMessage(MessageSource::AdClickAttribution, MessageLevel::Error, result.error());
}
auto maxAgeCap = validateCacheEntryForMaxAgeCapValidation(request, redirectRequest, redirectResponse);
if (redirectResponse.source() == ResourceResponse::Source::Network && canUseCachedRedirect(request))
m_cache->storeRedirect(request, redirectResponse, redirectRequest, maxAgeCap);
if (m_networkLoadChecker) {
if (adClickConversion)
m_networkLoadChecker->enableContentExtensionsCheck();
m_networkLoadChecker->storeRedirectionIfNeeded(request, redirectResponse);
RELEASE_LOG_IF_ALLOWED("willSendRedirectedRequest: Checking redirect using NetworkLoadChecker");
m_networkLoadChecker->checkRedirection(WTFMove(request), WTFMove(redirectRequest), WTFMove(redirectResponse), this, [protectedThis = makeRef(*this), this, storedCredentialsPolicy = m_networkLoadChecker->storedCredentialsPolicy(), adClickConversion = WTFMove(adClickConversion)](auto&& result) mutable {
if (!result.has_value()) {
if (result.error().isCancellation()) {
RELEASE_LOG_IF_ALLOWED("willSendRedirectedRequest: NetworkLoadChecker::checkRedirection returned with a cancellation");
return;
}
RELEASE_LOG_ERROR_IF_ALLOWED("willSendRedirectedRequest: NetworkLoadChecker::checkRedirection returned an error");
this->didFailLoading(result.error());
return;
}
RELEASE_LOG_IF_ALLOWED("willSendRedirectedRequest: NetworkLoadChecker::checkRedirection is done");
if (m_parameters.options.redirect == FetchOptions::Redirect::Manual) {
this->didFinishWithRedirectResponse(WTFMove(result->request), WTFMove(result->redirectRequest), WTFMove(result->redirectResponse));
return;
}
if (this->isSynchronous()) {
if (storedCredentialsPolicy != m_networkLoadChecker->storedCredentialsPolicy()) {
// We need to restart the load to update the session according the new credential policy.
RELEASE_LOG_IF_ALLOWED("willSendRedirectedRequest: Restarting network load due to credential policy change for synchronous load");
this->restartNetworkLoad(WTFMove(result->redirectRequest));
return;
}
// We do not support prompting for credentials for synchronous loads. If we ever change this policy then
// we need to take care to prompt if and only if request and redirectRequest are not mixed content.
this->continueWillSendRequest(WTFMove(result->redirectRequest), false);
return;
}
m_shouldRestartLoad = storedCredentialsPolicy != m_networkLoadChecker->storedCredentialsPolicy();
this->continueWillSendRedirectedRequest(WTFMove(result->request), WTFMove(result->redirectRequest), WTFMove(result->redirectResponse), WTFMove(adClickConversion));
});
return;
}
continueWillSendRedirectedRequest(WTFMove(request), WTFMove(redirectRequest), WTFMove(redirectResponse), WTFMove(adClickConversion));
}
void NetworkResourceLoader::continueWillSendRedirectedRequest(ResourceRequest&& request, ResourceRequest&& redirectRequest, ResourceResponse&& redirectResponse, Optional<AdClickAttribution::Conversion>&& adClickConversion)
{
RELEASE_LOG_IF_ALLOWED("continueWillSendRedirectedRequest: (m_isKeptAlive=%d, hasAdClickConversion=%d)", m_isKeptAlive, !!adClickConversion);
ASSERT(!isSynchronous());
if (m_isKeptAlive) {
continueWillSendRequest(WTFMove(redirectRequest), false);
return;
}
NetworkSession* networkSession = nullptr;
if (adClickConversion && (networkSession = m_connection->networkProcess().networkSession(sessionID())))
networkSession->handleAdClickAttributionConversion(WTFMove(*adClickConversion), request.url(), redirectRequest);
// We send the request body separately because the ResourceRequest body normally does not get encoded when sent over IPC, as an optimization.
// However, we really need the body here because a redirect cross-site may cause a process-swap and the request to start again in a new WebContent process.
send(Messages::WebResourceLoader::WillSendRequest(redirectRequest, IPC::FormDataReference { redirectRequest.httpBody() }, sanitizeResponseIfPossible(WTFMove(redirectResponse), ResourceResponse::SanitizationType::Redirection)));
}
void NetworkResourceLoader::didFinishWithRedirectResponse(WebCore::ResourceRequest&& request, WebCore::ResourceRequest&& redirectRequest, ResourceResponse&& redirectResponse)
{
RELEASE_LOG_IF_ALLOWED("didFinishWithRedirectResponse:");
redirectResponse.setType(ResourceResponse::Type::Opaqueredirect);
if (!isCrossOriginPrefetch())
didReceiveResponse(WTFMove(redirectResponse), [] (auto) { });
else if (auto* session = m_connection->networkProcess().networkSession(sessionID()))
session->prefetchCache().storeRedirect(request.url(), WTFMove(redirectResponse), WTFMove(redirectRequest));
WebCore::NetworkLoadMetrics networkLoadMetrics;
networkLoadMetrics.markComplete();
networkLoadMetrics.responseBodyBytesReceived = 0;
networkLoadMetrics.responseBodyDecodedSize = 0;
send(Messages::WebResourceLoader::DidFinishResourceLoad { networkLoadMetrics });
cleanup(LoadResult::Success);
}
static bool shouldSanitizeResponse(const NetworkProcess& process, Optional<PageIdentifier> pageIdentifier, const FetchOptions& options, const URL& url)
{
if (!pageIdentifier || options.destination != FetchOptions::Destination::EmptyString || options.mode != FetchOptions::Mode::NoCors)
return true;
return !process.shouldDisableCORSForRequestTo(*pageIdentifier, url);
}
ResourceResponse NetworkResourceLoader::sanitizeResponseIfPossible(ResourceResponse&& response, ResourceResponse::SanitizationType type)
{
if (!m_parameters.shouldRestrictHTTPResponseAccess)
return WTFMove(response);
if (shouldSanitizeResponse(m_connection->networkProcess(), pageID(), parameters().options, originalRequest().url()))
response.sanitizeHTTPHeaderFields(type);
return WTFMove(response);
}
void NetworkResourceLoader::restartNetworkLoad(WebCore::ResourceRequest&& newRequest)
{
RELEASE_LOG_IF_ALLOWED("restartNetworkLoad: (hasNetworkLoad=%d)", !!m_networkLoad);
if (m_networkLoad)
m_networkLoad->cancel();
startNetworkLoad(WTFMove(newRequest), FirstLoad::No);
}
void NetworkResourceLoader::continueWillSendRequest(ResourceRequest&& newRequest, bool isAllowedToAskUserForCredentials)
{
RELEASE_LOG_IF_ALLOWED("continueWillSendRequest: (isAllowedToAskUserForCredentials=%d)", isAllowedToAskUserForCredentials);
#if ENABLE(SERVICE_WORKER)
if (parameters().options.mode == FetchOptions::Mode::Navigate) {
if (auto serviceWorkerFetchTask = m_connection->createFetchTask(*this, newRequest)) {
RELEASE_LOG_IF_ALLOWED("continueWillSendRequest: Created a ServiceWorkerFetchTask to handle the redirect (fetchIdentifier=%" PRIu64 ")", serviceWorkerFetchTask->fetchIdentifier().toUInt64());
m_networkLoad = nullptr;
m_serviceWorkerFetchTask = WTFMove(serviceWorkerFetchTask);
return;
}
RELEASE_LOG_IF_ALLOWED("continueWillSendRequest: Navigation is not using service workers");
m_shouldRestartLoad = !!m_serviceWorkerFetchTask;
m_serviceWorkerFetchTask = nullptr;
}
if (m_serviceWorkerFetchTask) {
RELEASE_LOG_IF_ALLOWED("continueWillSendRequest: Continuing fetch task with redirect (fetchIdentifier=%" PRIu64 ")", m_serviceWorkerFetchTask->fetchIdentifier().toUInt64());
m_serviceWorkerFetchTask->continueFetchTaskWith(WTFMove(newRequest));
return;
}
#endif
if (m_shouldRestartLoad) {
m_shouldRestartLoad = false;
if (m_networkLoad)
m_networkLoad->updateRequestAfterRedirection(newRequest);
RELEASE_LOG_IF_ALLOWED("continueWillSendRequest: Restarting network load");
restartNetworkLoad(WTFMove(newRequest));
return;
}
if (m_networkLoadChecker) {
// FIXME: We should be doing this check when receiving the redirection and not allow about protocol as per fetch spec.
if (!newRequest.url().protocolIsInHTTPFamily() && !newRequest.url().protocolIsAbout() && m_redirectCount) {
RELEASE_LOG_ERROR_IF_ALLOWED("continueWillSendRequest: Failing load because it redirected to a scheme that is not HTTP(S)");
didFailLoading(ResourceError { String { }, 0, newRequest.url(), "Redirection to URL with a scheme that is not HTTP(S)"_s, ResourceError::Type::AccessControl });
return;
}
}
m_isAllowedToAskUserForCredentials = isAllowedToAskUserForCredentials;
// If there is a match in the network cache, we need to reuse the original cache policy and partition.
newRequest.setCachePolicy(originalRequest().cachePolicy());
newRequest.setCachePartition(originalRequest().cachePartition());
if (m_isWaitingContinueWillSendRequestForCachedRedirect) {
m_isWaitingContinueWillSendRequestForCachedRedirect = false;
LOG(NetworkCache, "(NetworkProcess) Retrieving cached redirect");
RELEASE_LOG_IF_ALLOWED("continueWillSendRequest: m_isWaitingContinueWillSendRequestForCachedRedirect was set");
if (canUseCachedRedirect(newRequest))
retrieveCacheEntry(newRequest);
else
startNetworkLoad(WTFMove(newRequest), FirstLoad::Yes);
return;