bool TextTrackLoader::load(const KURL& url, const String& crossOriginMode)
{
cancelLoad();
if (!m_client->shouldLoadCues(this))
return false;
ASSERT(m_scriptExecutionContext->isDocument());
Document* document = static_cast<Document*>(m_scriptExecutionContext);
ResourceRequest cueRequest(document->completeURL(url));
if (!crossOriginMode.isNull()) {
m_crossOriginMode = crossOriginMode;
StoredCredentials allowCredentials = equalIgnoringCase(crossOriginMode, "use-credentials") ? AllowStoredCredentials : DoNotAllowStoredCredentials;
updateRequestForAccessControl(cueRequest, document->securityOrigin(), allowCredentials);
} else {
// Cross-origin resources that are not suitably CORS-enabled may not load.
if (!document->securityOrigin()->canRequest(url)) {
corsPolicyPreventedLoad();
return false;
}
}
CachedResourceLoader* cachedResourceLoader = document->cachedResourceLoader();
m_cachedCueData = cachedResourceLoader->requestTextTrack(cueRequest);
if (m_cachedCueData)
m_cachedCueData->addClient(this);
m_client->cueLoadingStarted(this);
return true;
}
bool TextTrackLoader::load(const URL& url, const String& crossOriginMode, bool isInitiatingElementInUserAgentShadowTree)
{
cancelLoad();
ASSERT(is<Document>(m_scriptExecutionContext));
Document* document = downcast<Document>(m_scriptExecutionContext);
ResourceLoaderOptions options = CachedResourceLoader::defaultCachedResourceOptions();
options.setContentSecurityPolicyImposition(isInitiatingElementInUserAgentShadowTree ? ContentSecurityPolicyImposition::SkipPolicyCheck : ContentSecurityPolicyImposition::DoPolicyCheck);
CachedResourceRequest cueRequest(ResourceRequest(document->completeURL(url)), options);
if (!crossOriginMode.isNull()) {
m_crossOriginMode = crossOriginMode;
StoredCredentials allowCredentials = equalLettersIgnoringASCIICase(crossOriginMode, "use-credentials") ? AllowStoredCredentials : DoNotAllowStoredCredentials;
updateRequestForAccessControl(cueRequest.mutableResourceRequest(), document->securityOrigin(), allowCredentials);
} else {
// Cross-origin resources that are not suitably CORS-enabled may not load.
if (!document->securityOrigin()->canRequest(url)) {
corsPolicyPreventedLoad();
return false;
}
}
m_resource = document->cachedResourceLoader().requestTextTrack(cueRequest);
if (!m_resource)
return false;
m_resource->addClient(this);
return true;
}
void TextTrackLoader::notifyFinished(CachedResource* resource)
{
ASSERT(m_resource == resource);
Document* document = toDocument(m_scriptExecutionContext);
if (!m_crossOriginMode.isNull()
&& !document->securityOrigin()->canRequest(resource->response().url())
&& !resource->passesAccessControlCheck(document->securityOrigin())) {
corsPolicyPreventedLoad();
}
if (m_state != Failed) {
processNewCueData(resource);
if (m_cueParser)
m_cueParser->fileFinished();
if (m_state != Failed)
m_state = resource->errorOccurred() ? Failed : Finished;
}
if (!m_cueLoadTimer.isActive())
m_cueLoadTimer.startOneShot(0);
cancelLoad();
}
bool TextTrackLoader::redirectReceived(Resource* resource,
const ResourceRequest& request,
const ResourceResponse&) {
DCHECK_EQ(this->resource(), resource);
if (resource->options().corsEnabled == IsCORSEnabled ||
document().getSecurityOrigin()->canRequestNoSuborigin(request.url()))
return true;
corsPolicyPreventedLoad(document().getSecurityOrigin(), request.url());
if (!m_cueLoadTimer.isActive())
m_cueLoadTimer.startOneShot(0, BLINK_FROM_HERE);
clearResource();
return false;
}
bool TextTrackLoader::load(const KURL& url, const AtomicString& crossOriginMode)
{
cancelLoad();
FetchRequest cueRequest(ResourceRequest(m_document.completeURL(url)), FetchInitiatorTypeNames::texttrack);
if (!crossOriginMode.isNull()) {
cueRequest.setCrossOriginAccessControl(m_document.securityOrigin(), crossOriginMode);
} else if (!m_document.securityOrigin()->canRequest(url)) {
// Text track elements without 'crossorigin' set on the parent are "No CORS"; report error if not same-origin.
corsPolicyPreventedLoad(m_document.securityOrigin(), url);
return false;
}
ResourceFetcher* fetcher = m_document.fetcher();
setResource(fetcher->fetchRawResource(cueRequest));
return resource();
}
bool TextTrackLoader::load(const KURL& url, CrossOriginAttributeValue crossOrigin)
{
cancelLoad();
FetchRequest cueRequest(ResourceRequest(document().completeURL(url)), FetchInitiatorTypeNames::texttrack);
if (crossOrigin != CrossOriginAttributeNotSet) {
cueRequest.setCrossOriginAccessControl(document().securityOrigin(), crossOrigin);
} else if (!document().securityOrigin()->canRequestNoSuborigin(url)) {
// Text track elements without 'crossorigin' set on the parent are "No CORS"; report error if not same-origin.
corsPolicyPreventedLoad(document().securityOrigin(), url);
return false;
}
ResourceFetcher* fetcher = document().fetcher();
setResource(RawResource::fetchTextTrack(cueRequest, fetcher));
return resource();
}
void TextTrackLoader::notifyFinished(CachedResource* resource)
{
ASSERT(m_resource == resource);
Document* document = downcast<Document>(m_scriptExecutionContext);
if (!m_crossOriginMode.isNull() && !resource->passesSameOriginPolicyCheck(*document->securityOrigin()))
corsPolicyPreventedLoad();
if (m_state != Failed) {
processNewCueData(resource);
if (m_cueParser)
m_cueParser->fileFinished();
if (m_state != Failed)
m_state = resource->errorOccurred() ? Failed : Finished;
}
if (m_state == Finished && m_cueParser)
m_cueParser->flush();
if (!m_cueLoadTimer.isActive())
m_cueLoadTimer.startOneShot(0);
cancelLoad();
}
