void ResourceLoader::didReceiveResponse(
const WebURLResponse& response,
std::unique_ptr<WebDataConsumerHandle> handle) {
DCHECK(!response.isNull());
m_fetcher->didReceiveResponse(m_resource.get(), response.toResourceResponse(),
std::move(handle));
}
void ResourceHandleInternal::willSendRequest(
WebURLLoader*, WebURLRequest& request, const WebURLResponse& response)
{
ASSERT(m_client);
ASSERT(!request.isNull());
ASSERT(!response.isNull());
m_client->willSendRequest(m_owner, request.toMutableResourceRequest(), response.toResourceResponse());
}
void printResponseDescription(WebTestDelegate* delegate, const WebURLResponse& response)
{
if (response.isNull()) {
delegate->printMessage("(null)");
return;
}
string url = response.url().spec();
char data[100];
snprintf(data, sizeof(data), "%d", response. httpStatusCode());
delegate->printMessage(string("<NSURLResponse ") + descriptionSuitableForTestResult(url) + ", http status code " + data + ">");
}
static void printResponseDescription(const WebURLResponse& response)
{
if (response.isNull()) {
fputs("(null)", stdout);
return;
}
string url = response.url().spec();
printf("<NSURLResponse %s, http status code %d>",
descriptionSuitableForTestResult(url).c_str(),
response.httpStatusCode());
}
void ResourceHandleInternal::didReceiveResponse(WebURLLoader*, const WebURLResponse& response)
{
ASSERT(m_client);
ASSERT(!response.isNull());
bool isMultipart = response.isMultipartPayload();
bool isValidStateTransition = (m_state == ConnectionStateStarted || m_state == ConnectionStateReceivedResponse);
// In the case of multipart loads, calls to didReceiveData & didReceiveResponse can be interleaved.
if (!isMultipart && !isValidStateTransition)
CRASH();
m_state = ConnectionStateReceivedResponse;
m_client->didReceiveResponse(m_owner, response.toResourceResponse());
}
void WebViewHost::willSendRequest(WebFrame*, unsigned identifier, WebURLRequest& request, const WebURLResponse& redirectResponse)
{
// Need to use GURL for host() and SchemeIs()
GURL url = request.url();
string requestURL = url.possibly_invalid_spec();
if (layoutTestController()->shouldDumpResourceLoadCallbacks()) {
GURL mainDocumentURL = request.firstPartyForCookies();
printResourceDescription(identifier);
printf(" - willSendRequest <NSURLRequest URL %s, main document URL %s,"
" http method %s> redirectResponse ",
descriptionSuitableForTestResult(requestURL).c_str(),
URLDescription(mainDocumentURL).c_str(),
request.httpMethod().utf8().data());
printResponseDescription(redirectResponse);
fputs("\n", stdout);
}
if (!redirectResponse.isNull() && m_blocksRedirects) {
fputs("Returning null for this redirect\n", stdout);
// To block the request, we set its URL to an empty one.
request.setURL(WebURL());
return;
}
if (m_requestReturnNull) {
// To block the request, we set its URL to an empty one.
request.setURL(WebURL());
return;
}
string host = url.host();
// 255.255.255.255 is used in some tests that expect to get back an error.
if (!host.empty() && (url.SchemeIs("http") || url.SchemeIs("https"))
&& host != "127.0.0.1"
&& host != "255.255.255.255"
&& host != "localhost"
&& !m_shell->allowExternalPages()) {
printf("Blocked access to external URL %s\n", requestURL.c_str());
// To block the request, we set its URL to an empty one.
request.setURL(WebURL());
return;
}
HashSet<String>::const_iterator end = m_clearHeaders.end();
for (HashSet<String>::const_iterator header = m_clearHeaders.begin(); header != end; ++header)
request.clearHTTPHeaderField(WebString(header->characters(), header->length()));
// Set the new substituted URL.
request.setURL(webkit_support::RewriteLayoutTestsURL(request.url().spec()));
}
bool ResourceLoader::willFollowRedirect(
WebURLRequest& passedNewRequest,
const WebURLResponse& passedRedirectResponse) {
DCHECK(!passedNewRequest.isNull());
DCHECK(!passedRedirectResponse.isNull());
if (m_isCacheAwareLoadingActivated) {
// Fail as cache miss if cached response is a redirect.
didFail(
ResourceError::cacheMissError(m_resource->lastResourceRequest().url()));
return false;
}
ResourceRequest& newRequest(passedNewRequest.toMutableResourceRequest());
const ResourceResponse& redirectResponse(
passedRedirectResponse.toResourceResponse());
newRequest.setRedirectStatus(
ResourceRequest::RedirectStatus::FollowedRedirect);
const KURL originalURL = newRequest.url();
ResourceRequestBlockedReason blockedReason = m_fetcher->willFollowRedirect(
m_resource.get(), newRequest, redirectResponse);
if (blockedReason != ResourceRequestBlockedReason::None) {
cancelForRedirectAccessCheckError(newRequest.url(), blockedReason);
return false;
}
// ResourceFetcher::willFollowRedirect() may rewrite the URL to
// something else not for rejecting redirect but for other reasons.
// E.g. WebFrameTestClient::willSendRequest() and
// RenderFrameImpl::willSendRequest(). We should reflect the
// rewriting but currently we cannot. So, return false to make the
// redirect fail.
if (newRequest.url() != originalURL) {
cancelForRedirectAccessCheckError(newRequest.url(),
ResourceRequestBlockedReason::Other);
return false;
}
if (!m_resource->willFollowRedirect(newRequest, redirectResponse)) {
cancelForRedirectAccessCheckError(newRequest.url(),
ResourceRequestBlockedReason::Other);
return false;
}
return true;
}
void ResourceLoader::didReceiveResponse(WebURLLoader*, const WebURLResponse& response, WebDataConsumerHandle* rawHandle)
{
ASSERT(!response.isNull());
ASSERT(m_state == Initialized);
// |rawHandle|'s ownership is transferred to the callee.
OwnPtr<WebDataConsumerHandle> handle = adoptPtr(rawHandle);
bool isMultipartPayload = response.isMultipartPayload();
bool isValidStateTransition = (m_connectionState == ConnectionStateStarted || m_connectionState == ConnectionStateReceivedResponse);
// In the case of multipart loads, calls to didReceiveData & didReceiveResponse can be interleaved.
RELEASE_ASSERT(isMultipartPayload || isValidStateTransition);
m_connectionState = ConnectionStateReceivedResponse;
const ResourceResponse& resourceResponse = response.toResourceResponse();
if (responseNeedsAccessControlCheck()) {
if (response.wasFetchedViaServiceWorker()) {
if (response.wasFallbackRequiredByServiceWorker()) {
m_loader->cancel();
m_loader.clear();
m_connectionState = ConnectionStateStarted;
m_loader = adoptPtr(Platform::current()->createURLLoader());
ASSERT(m_loader);
ASSERT(!m_request.skipServiceWorker());
m_request.setSkipServiceWorker(true);
WrappedResourceRequest wrappedRequest(m_request);
m_loader->loadAsynchronously(wrappedRequest, this);
return;
}
} else {
// If the response successfully validated a cached resource, perform
// the access control with respect to it. Need to do this right here
// before the resource switches clients over to that validated resource.
Resource* resource = m_resource;
if (!resource->isCacheValidator() || resourceResponse.httpStatusCode() != 304)
m_resource->setResponse(resourceResponse);
if (!m_fetcher->canAccessResource(resource, m_options.securityOrigin.get(), response.url(), ResourceFetcher::ShouldLogAccessControlErrors)) {
m_fetcher->didReceiveResponse(m_resource, resourceResponse);
cancel(ResourceError::cancelledDueToAccessCheckError(KURL(response.url())));
return;
}
}
}
m_resource->responseReceived(resourceResponse, handle.release());
if (m_state == Terminated)
return;
m_fetcher->didReceiveResponse(m_resource, resourceResponse);
if (m_state == Terminated)
return;
if (response.toResourceResponse().isMultipart()) {
// We only support multipart for images, though the image may be loaded
// as a main resource that we end up displaying through an ImageDocument.
if (!m_resource->isImage() && m_resource->type() != Resource::MainResource) {
cancel();
return;
}
m_loadingMultipartContent = true;
} else if (isMultipartPayload) {
// Since a subresource loader does not load multipart sections progressively, data was delivered to the loader all at once.
// After the first multipart section is complete, signal to delegates that this load is "finished"
m_fetcher->subresourceLoaderFinishedLoadingOnePart(this);
didFinishLoadingOnePart(0, WebURLLoaderClient::kUnknownEncodedDataLength);
}
if (m_state == Terminated)
return;
if (m_resource->response().httpStatusCode() < 400 || m_resource->shouldIgnoreHTTPStatusCodeErrors())
return;
m_state = Finishing;
if (!m_notifiedLoadComplete) {
m_notifiedLoadComplete = true;
m_fetcher->didFailLoading(m_resource, ResourceError::cancelledError(m_request.url()));
}
ASSERT(m_state != Terminated);
m_resource->error(Resource::LoadError);
cancel();
}