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ApplicationManifestLoader.cpp
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126 lines (110 loc) · 4.62 KB
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/*
* Copyright (C) 2017 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 "ApplicationManifestLoader.h"
#if ENABLE(APPLICATION_MANIFEST)
#include "CachedApplicationManifest.h"
#include "CachedResourceLoader.h"
#include "CachedResourceRequest.h"
#include "CachedResourceRequestInitiators.h"
#include "DocumentLoader.h"
#include "Frame.h"
#include "FrameDestructionObserverInlines.h"
namespace WebCore {
ApplicationManifestLoader::ApplicationManifestLoader(DocumentLoader& documentLoader, const URL& url, bool useCredentials)
: m_documentLoader(documentLoader)
, m_url(url)
, m_useCredentials(useCredentials)
{
}
ApplicationManifestLoader::~ApplicationManifestLoader()
{
stopLoading();
}
bool ApplicationManifestLoader::startLoading()
{
ASSERT(!m_resource);
auto* frame = m_documentLoader.frame();
if (!frame)
return false;
ResourceRequest resourceRequest = m_url;
resourceRequest.setPriority(ResourceLoadPriority::Low);
#if !ERROR_DISABLED
// Copy this because we may want to access it after transferring the
// `resourceRequest` to the `request`. If we don't, then the LOG_ERROR
// below won't print a URL.
auto resourceRequestURL = resourceRequest.url();
#endif
auto credentials = m_useCredentials ? FetchOptions::Credentials::Include : FetchOptions::Credentials::Omit;
auto options = ResourceLoaderOptions(
SendCallbackPolicy::SendCallbacks,
ContentSniffingPolicy::SniffContent,
DataBufferingPolicy::BufferData,
StoredCredentialsPolicy::DoNotUse,
ClientCredentialPolicy::CannotAskClientForCredentials,
credentials,
SecurityCheckPolicy::DoSecurityCheck,
FetchOptions::Mode::NoCors,
CertificateInfoPolicy::DoNotIncludeCertificateInfo,
ContentSecurityPolicyImposition::DoPolicyCheck,
DefersLoadingPolicy::AllowDefersLoading,
CachingPolicy::AllowCaching);
options.destination = FetchOptions::Destination::Manifest;
CachedResourceRequest request(WTFMove(resourceRequest), options);
auto cachedResource = frame->document()->cachedResourceLoader().requestApplicationManifest(WTFMove(request));
m_resource = cachedResource.value_or(nullptr);
if (m_resource)
m_resource->addClient(*this);
else {
LOG_ERROR("Failed to start load for application manifest at url %s (error: %s)", resourceRequestURL.string().ascii().data(), cachedResource.error().localizedDescription().utf8().data());
return false;
}
return true;
}
void ApplicationManifestLoader::stopLoading()
{
if (m_resource) {
m_resource->removeClient(*this);
m_resource = nullptr;
}
}
std::optional<ApplicationManifest>& ApplicationManifestLoader::processManifest()
{
if (!m_processedManifest && m_resource) {
auto manifestURL = m_url;
auto documentURL = m_documentLoader.url();
auto frame = m_documentLoader.frame();
auto document = frame ? frame->document() : nullptr;
m_processedManifest = m_resource->process(manifestURL, documentURL, document);
}
return m_processedManifest;
}
void ApplicationManifestLoader::notifyFinished(CachedResource& resource, const NetworkLoadMetrics&)
{
ASSERT_UNUSED(resource, &resource == m_resource);
m_documentLoader.finishedLoadingApplicationManifest(*this);
}
} // namespace WebCore
#endif // ENABLE(APPLICATION_MANIFEST)