| /* |
| * 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) |