93 lines
3.8 KiB
C++
93 lines
3.8 KiB
C++
/*
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* Copyright (C) 2013 Google Inc. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "HTMLResourcePreloader.h"
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#include "CachedResourceLoader.h"
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#include "CrossOriginAccessControl.h"
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#include "DefaultResourceLoadPriority.h"
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#include "Document.h"
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#include "ScriptElementCachedScriptFetcher.h"
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#include "MediaQueryEvaluator.h"
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#include "RenderView.h"
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namespace WebCore {
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URL PreloadRequest::completeURL(Document& document)
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{
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return document.completeURL(m_resourceURL, m_baseURL.isEmpty() ? document.baseURL() : m_baseURL);
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}
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CachedResourceRequest PreloadRequest::resourceRequest(Document& document)
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{
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ASSERT(isMainThread());
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bool skipContentSecurityPolicyCheck = false;
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if (m_resourceType == CachedResource::Type::Script)
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skipContentSecurityPolicyCheck = document.contentSecurityPolicy()->allowScriptWithNonce(m_nonceAttribute);
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else if (m_resourceType == CachedResource::Type::CSSStyleSheet)
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skipContentSecurityPolicyCheck = document.contentSecurityPolicy()->allowStyleWithNonce(m_nonceAttribute);
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ResourceLoaderOptions options = CachedResourceLoader::defaultCachedResourceOptions();
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if (skipContentSecurityPolicyCheck)
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options.contentSecurityPolicyImposition = ContentSecurityPolicyImposition::SkipPolicyCheck;
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String crossOriginMode = m_crossOriginMode;
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if (m_moduleScript == ModuleScript::Yes) {
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if (crossOriginMode.isNull())
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crossOriginMode = ScriptElementCachedScriptFetcher::defaultCrossOriginModeForModule;
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}
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if (m_resourceType == CachedResource::Type::Script || m_resourceType == CachedResource::Type::ImageResource)
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options.referrerPolicy = m_referrerPolicy;
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auto request = createPotentialAccessControlRequest(completeURL(document), WTFMove(options), document, crossOriginMode);
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request.setInitiator(m_initiator);
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if (m_scriptIsAsync && m_resourceType == CachedResource::Type::Script && m_moduleScript == ModuleScript::No)
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request.setPriority(DefaultResourceLoadPriority::asyncScript);
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return request;
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}
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void HTMLResourcePreloader::preload(PreloadRequestStream requests)
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{
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for (auto& request : requests)
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preload(WTFMove(request));
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}
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void HTMLResourcePreloader::preload(std::unique_ptr<PreloadRequest> preload)
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{
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ASSERT(m_document.frame());
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ASSERT(m_document.renderView());
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if (!preload->media().isEmpty() && !MediaQueryEvaluator::mediaAttributeMatches(m_document, preload->media()))
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return;
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m_document.cachedResourceLoader().preload(preload->resourceType(), preload->resourceRequest(m_document));
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}
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}
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