void DocumentThreadableLoader::handleResponse(unsigned long identifier, const ResourceResponse& response, PassOwnPtr<WebDataConsumerHandle> handle)
{
ASSERT(m_client);
if (!m_actualRequest.isNull()) {
reportResponseReceived(identifier, response);
handlePreflightResponse(response);
// |this| may be dead here in async mode.
return;
}
if (response.wasFetchedViaServiceWorker()) {
// It's still possible to reach here with null m_fallbackRequestForServiceWorker
// if the request was for main resource loading (i.e. for SharedWorker), for which
// we create DocumentLoader before the controller ServiceWorker is set.
ASSERT(!m_fallbackRequestForServiceWorker.isNull() || m_requestContext == WebURLRequest::RequestContextSharedWorker);
if (response.wasFallbackRequiredByServiceWorker()) {
// At this point we must have m_fallbackRequestForServiceWorker.
// (For SharedWorker the request won't be CORS or CORS-with-preflight,
// therefore fallback-to-network is handled in the browser process
// when the ServiceWorker does not call respondWith().)
ASSERT(!m_fallbackRequestForServiceWorker.isNull());
reportResponseReceived(identifier, response);
loadFallbackRequestForServiceWorker();
// |this| may be dead here in async mode.
return;
}
m_fallbackRequestForServiceWorker = ResourceRequest();
m_client->didReceiveResponse(identifier, response, handle);
return;
}
// Even if the request met the conditions to get handled by a Service Worker
// in the constructor of this class (and therefore
// |m_fallbackRequestForServiceWorker| is set), the Service Worker may skip
// processing the request. Only if the request is same origin, the skipped
// response may come here (wasFetchedViaServiceWorker() returns false) since
// such a request doesn't have to go through the CORS algorithm by calling
// loadFallbackRequestForServiceWorker().
// FIXME: We should use |m_sameOriginRequest| when we will support
// Suborigins (crbug.com/336894) for Service Worker.
ASSERT(m_fallbackRequestForServiceWorker.isNull() || securityOrigin()->canRequest(m_fallbackRequestForServiceWorker.url()));
m_fallbackRequestForServiceWorker = ResourceRequest();
if (!m_sameOriginRequest && m_options.crossOriginRequestPolicy == UseAccessControl) {
String accessControlErrorDescription;
if (!passesAccessControlCheck(response, effectiveAllowCredentials(), securityOrigin(), accessControlErrorDescription, m_requestContext)) {
reportResponseReceived(identifier, response);
ThreadableLoaderClient* client = m_client;
clear();
client->didFailAccessControlCheck(ResourceError(errorDomainBlinkInternal, 0, response.url().string(), accessControlErrorDescription));
// |this| may be dead here.
return;
}
}
m_client->didReceiveResponse(identifier, response, handle);
}
void DocumentThreadableLoader::handleResponse(
unsigned long identifier,
const ResourceResponse& response,
std::unique_ptr<WebDataConsumerHandle> handle) {
DCHECK(m_client);
if (!m_actualRequest.isNull()) {
reportResponseReceived(identifier, response);
handlePreflightResponse(response);
return;
}
if (response.wasFetchedViaServiceWorker()) {
if (response.wasFetchedViaForeignFetch())
UseCounter::count(m_document, UseCounter::ForeignFetchInterception);
if (response.wasFallbackRequiredByServiceWorker()) {
// At this point we must have m_fallbackRequestForServiceWorker. (For
// SharedWorker the request won't be CORS or CORS-with-preflight,
// therefore fallback-to-network is handled in the browser process when
// the ServiceWorker does not call respondWith().)
DCHECK(!m_fallbackRequestForServiceWorker.isNull());
reportResponseReceived(identifier, response);
loadFallbackRequestForServiceWorker();
return;
}
m_fallbackRequestForServiceWorker = ResourceRequest();
m_client->didReceiveResponse(identifier, response, std::move(handle));
return;
}
// Even if the request met the conditions to get handled by a Service Worker
// in the constructor of this class (and therefore
// |m_fallbackRequestForServiceWorker| is set), the Service Worker may skip
// processing the request. Only if the request is same origin, the skipped
// response may come here (wasFetchedViaServiceWorker() returns false) since
// such a request doesn't have to go through the CORS algorithm by calling
// loadFallbackRequestForServiceWorker().
// FIXME: We should use |m_sameOriginRequest| when we will support Suborigins
// (crbug.com/336894) for Service Worker.
DCHECK(
m_fallbackRequestForServiceWorker.isNull() ||
getSecurityOrigin()->canRequest(m_fallbackRequestForServiceWorker.url()));
m_fallbackRequestForServiceWorker = ResourceRequest();
if (!m_sameOriginRequest &&
m_options.crossOriginRequestPolicy == UseAccessControl) {
String accessControlErrorDescription;
if (!passesAccessControlCheck(
response, effectiveAllowCredentials(), getSecurityOrigin(),
accessControlErrorDescription, m_requestContext)) {
reportResponseReceived(identifier, response);
ThreadableLoaderClient* client = m_client;
clear();
client->didFailAccessControlCheck(
ResourceError(errorDomainBlinkInternal, 0, response.url().getString(),
accessControlErrorDescription));
return;
}
}
m_client->didReceiveResponse(identifier, response, std::move(handle));
}
