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/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
* Copyright (C) 2009 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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 "ThreadableLoader.h"
#include "CachedResourceRequestInitiatorTypes.h"
#include "Document.h"
#include "DocumentLoader.h"
#include "DocumentThreadableLoader.h"
#include "ResourceError.h"
#include "ScriptExecutionContext.h"
#include "WorkerGlobalScope.h"
#include "WorkerRunLoop.h"
#include "WorkerThreadableLoader.h"
#include "WorkletGlobalScope.h"
#include <wtf/text/MakeString.h>
namespace WebCore {
ThreadableLoaderOptions::ThreadableLoaderOptions()
{
mode = FetchOptions::Mode::SameOrigin;
}
ThreadableLoaderOptions::~ThreadableLoaderOptions() = default;
ThreadableLoaderOptions::ThreadableLoaderOptions(FetchOptions&& baseOptions)
: ResourceLoaderOptions { WTFMove(baseOptions) }
{
}
ThreadableLoaderOptions::ThreadableLoaderOptions(const ResourceLoaderOptions& baseOptions, ContentSecurityPolicyEnforcement contentSecurityPolicyEnforcement, String&& initiatorType, ResponseFilteringPolicy filteringPolicy)
: ResourceLoaderOptions(baseOptions)
, contentSecurityPolicyEnforcement(contentSecurityPolicyEnforcement)
, initiatorType(WTFMove(initiatorType))
, filteringPolicy(filteringPolicy)
{
}
ThreadableLoaderOptions ThreadableLoaderOptions::isolatedCopy() const
{
ThreadableLoaderOptions copy;
// FetchOptions
copy.destination = this->destination;
copy.mode = this->mode;
copy.credentials = this->credentials;
copy.cache = this->cache;
copy.redirect = this->redirect;
copy.referrerPolicy = this->referrerPolicy;
copy.integrity = this->integrity.isolatedCopy();
copy.keepAlive = this->keepAlive;
copy.clientIdentifier = this->clientIdentifier;
copy.resultingClientIdentifier = this->resultingClientIdentifier;
// ResourceLoaderOptions
copy.sendLoadCallbacks = this->sendLoadCallbacks;
copy.sniffContent = this->sniffContent;
copy.contentEncodingSniffingPolicy = this->contentEncodingSniffingPolicy;
copy.dataBufferingPolicy = this->dataBufferingPolicy;
copy.storedCredentialsPolicy = this->storedCredentialsPolicy;
copy.securityCheck = this->securityCheck;
copy.certificateInfoPolicy = this->certificateInfoPolicy;
copy.contentSecurityPolicyImposition = this->contentSecurityPolicyImposition;
copy.defersLoadingPolicy = this->defersLoadingPolicy;
copy.cachingPolicy = this->cachingPolicy;
copy.sameOriginDataURLFlag = this->sameOriginDataURLFlag;
copy.initiatorContext = this->initiatorContext;
copy.initiator = this->initiator;
copy.clientCredentialPolicy = this->clientCredentialPolicy;
copy.maxRedirectCount = this->maxRedirectCount;
copy.preflightPolicy = this->preflightPolicy;
copy.navigationPreloadIdentifier = this->navigationPreloadIdentifier;
copy.fetchPriority = this->fetchPriority;
copy.shouldEnableContentExtensionsCheck = this->shouldEnableContentExtensionsCheck;
// ThreadableLoaderOptions
copy.contentSecurityPolicyEnforcement = this->contentSecurityPolicyEnforcement;
copy.initiatorType = this->initiatorType.isolatedCopy();
copy.filteringPolicy = this->filteringPolicy;
return copy;
}
RefPtr<ThreadableLoader> ThreadableLoader::create(ScriptExecutionContext& context, ThreadableLoaderClient& client, ResourceRequest&& request, const ThreadableLoaderOptions& options, String&& referrer, String&& taskMode)
{
RefPtr document = [&] {
if (auto* globalScope = dynamicDowncast<WorkletGlobalScope>(context))
return globalScope->responsibleDocument();
return dynamicDowncast<Document>(context);
}();
if (auto* documentLoader = document ? document->loader() : nullptr)
request.setIsAppInitiated(documentLoader->lastNavigationWasAppInitiated());
if (is<WorkerGlobalScope>(context) || (is<WorkletGlobalScope>(context) && downcast<WorkletGlobalScope>(context).workerOrWorkletThread()))
return WorkerThreadableLoader::create(static_cast<WorkerOrWorkletGlobalScope&>(context), client, WTFMove(taskMode), WTFMove(request), options, WTFMove(referrer));
return DocumentThreadableLoader::create(*document, client, WTFMove(request), options, WTFMove(referrer));
}
void ThreadableLoader::loadResourceSynchronously(ScriptExecutionContext& context, ResourceRequest&& request, ThreadableLoaderClient& client, const ThreadableLoaderOptions& options)
{
auto resourceURL = request.url();
if (auto* globalScope = dynamicDowncast<WorkerGlobalScope>(context))
WorkerThreadableLoader::loadResourceSynchronously(*globalScope, WTFMove(request), client, options);
else
DocumentThreadableLoader::loadResourceSynchronously(downcast<Document>(context), WTFMove(request), client, options);
context.didLoadResourceSynchronously(resourceURL);
}
void ThreadableLoader::logError(ScriptExecutionContext& context, const ResourceError& error, const String& initiatorType)
{
if (error.isCancellation())
return;
// FIXME: Some errors are returned with null URLs. This leads to poor console messages. We should do better for these errors.
if (error.failingURL().isNull())
return;
// We further reduce logging to some errors.
// FIXME: Log more errors when making so do not make some layout tests flaky.
if (error.domain() != errorDomainWebKitInternal && error.domain() != errorDomainWebKitServiceWorker && !error.isAccessControl())
return;
ASCIILiteral messageStart;
if (initiatorType == cachedResourceRequestInitiatorTypes().eventsource)
messageStart = "EventSource cannot load "_s;
else if (initiatorType == cachedResourceRequestInitiatorTypes().fetch)
messageStart = "Fetch API cannot load "_s;
else if (initiatorType == cachedResourceRequestInitiatorTypes().xmlhttprequest)
messageStart = "XMLHttpRequest cannot load "_s;
else
messageStart = "Cannot load "_s;
String messageEnd = error.isAccessControl() ? " due to access control checks."_s : "."_s;
context.addConsoleMessage(MessageSource::JS, MessageLevel::Error, makeString(messageStart, error.failingURL().string(), messageEnd));
}
} // namespace WebCore
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