ApplicationManifestLoader.cpp [plain text]
#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"
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
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;
}
}
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);
}
}
#endif // ENABLE(APPLICATION_MANIFEST)