blob: 082195669f1de76db91a82e493aafa32d8d68225 [file] [log] [blame]
/*
* Copyright (C) 2013 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:
* 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. ``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
* 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 "HTMLResourcePreloader.h"
#include "CachedResourceLoader.h"
#include "CrossOriginAccessControl.h"
#include "Document.h"
#include "MediaQueryEvaluator.h"
#include "RenderView.h"
namespace WebCore {
URL PreloadRequest::completeURL(Document& document)
{
return document.completeURL(m_resourceURL, m_baseURL.isEmpty() ? document.baseURL() : m_baseURL);
}
CachedResourceRequest PreloadRequest::resourceRequest(Document& document)
{
ASSERT(isMainThread());
bool skipContentSecurityPolicyCheck = false;
if (m_resourceType == CachedResource::Type::Script)
skipContentSecurityPolicyCheck = document.contentSecurityPolicy()->allowScriptWithNonce(m_nonceAttribute);
else if (m_resourceType == CachedResource::Type::CSSStyleSheet)
skipContentSecurityPolicyCheck = document.contentSecurityPolicy()->allowStyleWithNonce(m_nonceAttribute);
ResourceLoaderOptions options = CachedResourceLoader::defaultCachedResourceOptions();
if (skipContentSecurityPolicyCheck)
options.contentSecurityPolicyImposition = ContentSecurityPolicyImposition::SkipPolicyCheck;
String crossOriginMode = m_crossOriginMode;
if (m_moduleScript == ModuleScript::Yes) {
if (crossOriginMode.isNull())
crossOriginMode = "omit"_s;
}
if (m_resourceType == CachedResource::Type::Script)
options.referrerPolicy = m_referrerPolicy;
auto request = createPotentialAccessControlRequest(completeURL(document), document, crossOriginMode, WTFMove(options));
request.setInitiator(m_initiator);
return request;
}
void HTMLResourcePreloader::preload(PreloadRequestStream requests)
{
for (auto& request : requests)
preload(WTFMove(request));
}
void HTMLResourcePreloader::preload(std::unique_ptr<PreloadRequest> preload)
{
ASSERT(m_document.frame());
ASSERT(m_document.renderView());
if (!preload->media().isEmpty() && !MediaQueryEvaluator::mediaAttributeMatches(m_document, preload->media()))
return;
m_document.cachedResourceLoader().preload(preload->resourceType(), preload->resourceRequest(m_document));
}
}