void MainResourceLoader::handleDataLoadNow(Timer<MainResourceLoader>*)
{
RefPtr<MainResourceLoader> protect(this);
ResourceResponse response(m_initialRequest.url(), m_substituteData.mimeType(), m_substituteData.content()->size(), m_substituteData.textEncoding(), "");
didReceiveResponse(response);
}
void ResourceLoader::requestSynchronously()
{
OwnPtr<blink::WebURLLoader> loader = adoptPtr(blink::Platform::current()->createURLLoader());
ASSERT(loader);
RefPtr<ResourceLoader> protect(this);
RefPtr<ResourceLoaderHost> protectHost(m_host);
ResourcePtr<Resource> protectResource(m_resource);
RELEASE_ASSERT(m_connectionState == ConnectionStateNew);
m_connectionState = ConnectionStateStarted;
blink::WrappedResourceRequest requestIn(m_request);
requestIn.setAllowStoredCredentials(m_options.allowCredentials == AllowStoredCredentials);
blink::WebURLResponse responseOut;
responseOut.initialize();
blink::WebURLError errorOut;
blink::WebData dataOut;
loader->loadSynchronously(requestIn, responseOut, errorOut, dataOut);
if (errorOut.reason) {
didFail(0, errorOut);
return;
}
didReceiveResponse(0, responseOut);
if (m_state == Terminated)
return;
RefPtr<ResourceLoadInfo> resourceLoadInfo = responseOut.toResourceResponse().resourceLoadInfo();
int64 encodedDataLength = resourceLoadInfo ? resourceLoadInfo->encodedDataLength : blink::WebURLLoaderClient::kUnknownEncodedDataLength;
m_host->didReceiveData(m_resource, dataOut.data(), dataOut.size(), encodedDataLength);
m_resource->setResourceBuffer(dataOut);
didFinishLoading(0, monotonicallyIncreasingTime(), encodedDataLength);
}
void ResourceLoader::requestSynchronously()
{
OwnPtr<WebKit::WebURLLoader> loader = adoptPtr(WebKit::Platform::current()->createURLLoader());
ASSERT(loader);
RELEASE_ASSERT(m_connectionState == ConnectionStateNew);
m_connectionState = ConnectionStateStarted;
WebKit::WrappedResourceRequest requestIn(m_request);
requestIn.setAllowStoredCredentials(m_options.allowCredentials == AllowStoredCredentials);
WebKit::WebURLResponse responseOut;
responseOut.initialize();
WebKit::WebURLError errorOut;
WebKit::WebData dataOut;
loader->loadSynchronously(requestIn, responseOut, errorOut, dataOut);
if (errorOut.reason) {
didFail(0, errorOut);
return;
}
didReceiveResponse(0, responseOut);
RefPtr<ResourceLoadInfo> resourceLoadInfo = responseOut.toResourceResponse().resourceLoadInfo();
m_host->didReceiveData(m_resource, dataOut.data(), dataOut.size(), resourceLoadInfo ? resourceLoadInfo->encodedDataLength : -1, m_options);
m_resource->setResourceBuffer(dataOut);
didFinishLoading(0, responseOut.responseTime());
}
void CurlDownload::didReceiveHeader(const String& header)
{
LockHolder locker(m_mutex);
if (header == "\r\n" || header == "\n") {
long httpCode = 0;
CURLcode err = curl_easy_getinfo(m_curlHandle, CURLINFO_RESPONSE_CODE, &httpCode);
if (httpCode >= 200 && httpCode < 300) {
URL url = getCurlEffectiveURL(m_curlHandle);
callOnMainThread([this, url = url.isolatedCopy(), protectedThis = makeRef(*this)] {
m_response.setURL(url);
m_response.setMimeType(extractMIMETypeFromMediaType(m_response.httpHeaderField(HTTPHeaderName::ContentType)));
m_response.setTextEncodingName(extractCharsetFromMediaType(m_response.httpHeaderField(HTTPHeaderName::ContentType)));
didReceiveResponse();
});
}
} else {
callOnMainThread([this, header = header.isolatedCopy(), protectedThis = makeRef(*this)] {
int splitPos = header.find(":");
if (splitPos != -1)
m_response.setHTTPHeaderField(header.left(splitPos), header.substring(splitPos + 1).stripWhiteSpace());
});
}
}
void CurlDownload::didReceiveHeader(const String& header)
{
MutexLocker locker(m_mutex);
if (header == "\r\n" || header == "\n") {
long httpCode = 0;
CURLcode err = curl_easy_getinfo(m_curlHandle, CURLINFO_RESPONSE_CODE, &httpCode);
if (httpCode >= 200 && httpCode < 300) {
const char* url = 0;
err = curl_easy_getinfo(m_curlHandle, CURLINFO_EFFECTIVE_URL, &url);
m_response.setURL(URL(ParsedURLString, url));
m_response.setMimeType(extractMIMETypeFromMediaType(m_response.httpHeaderField(HTTPHeaderName::ContentType)));
m_response.setTextEncodingName(extractCharsetFromMediaType(m_response.httpHeaderField(HTTPHeaderName::ContentType)));
callOnMainThread([this] {
didReceiveResponse();
});
}
} else {
int splitPos = header.find(":");
if (splitPos != -1)
m_response.setHTTPHeaderField(header.left(splitPos), header.substring(splitPos+1).stripWhiteSpace());
}
}
void ResourceLoader::didReceiveResponse(ResourceHandle*, const ResourceResponse& response)
{
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
if (documentLoader()->applicationCacheHost()->maybeLoadFallbackForResponse(this, response))
return;
#endif
didReceiveResponse(response);
}
void ResourceLoader::didReceiveResponse(ResourceHandle*, const ResourceResponse& response)
{
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
if (documentLoader()->applicationCacheHost()->maybeLoadFallbackForResponse(this, response))
return;
#endif
InspectorInstrumentationCookie cookie = InspectorInstrumentation::willReceiveResourceResponse(m_frame.get(), identifier(), response);
didReceiveResponse(response);
InspectorInstrumentation::didReceiveResourceResponse(cookie);
}
void ResourceLoader::didReceiveResponse(ResourceHandle*, const ResourceResponse& response)
{
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
if (response.httpStatusCode() / 100 == 4 || response.httpStatusCode() / 100 == 5) {
if (scheduleLoadFallbackResourceFromApplicationCache())
return;
}
#endif
didReceiveResponse(response);
}
void MainResourceLoader::handleDataLoadNow(MainResourceLoaderTimer*)
{
RefPtr<MainResourceLoader> protect(this);
KURL url = m_substituteData.responseURL();
if (url.isEmpty())
url = m_initialRequest.url();
ResourceResponse response(url, m_substituteData.mimeType(), m_substituteData.content()->size(), m_substituteData.textEncoding(), "");
didReceiveResponse(response);
}
void MainResourceLoader::handleEmptyLoad(const KURL& url, bool forURLScheme)
{
String mimeType;
if (forURLScheme)
mimeType = frameLoader()->client()->generatedMIMETypeForURLScheme(url.protocol());
else
mimeType = "text/html";
ResourceResponse response(url, mimeType, 0, String(), String());
didReceiveResponse(response);
}
void DocumentThreadableLoader::loadRequest(const ResourceRequest& request, SecurityCheckPolicy securityCheck)
{
// Any credential should have been removed from the cross-site requests.
const KURL& requestURL = request.url();
ASSERT(m_sameOriginRequest || requestURL.user().isEmpty());
ASSERT(m_sameOriginRequest || requestURL.pass().isEmpty());
if (m_async) {
// Don't sniff content or send load callbacks for the preflight request.
bool sendLoadCallbacks = m_options.sendLoadCallbacks && !m_actualRequest;
bool sniffContent = m_options.sniffContent && !m_actualRequest;
// Keep buffering the data for the preflight request.
bool shouldBufferData = m_options.shouldBufferData || m_actualRequest;
// Clear the loader so that any callbacks from SubresourceLoader::create will not have the old loader.
m_loader = 0;
m_loader = resourceLoadScheduler()->scheduleSubresourceLoad(m_document->frame(), this, request, ResourceLoadPriorityMedium, securityCheck, sendLoadCallbacks,
sniffContent, m_optionalOutgoingReferrer, shouldBufferData);
return;
}
// FIXME: ThreadableLoaderOptions.sniffContent is not supported for synchronous requests.
StoredCredentials storedCredentials = m_options.allowCredentials ? AllowStoredCredentials : DoNotAllowStoredCredentials;
Vector<char> data;
ResourceError error;
ResourceResponse response;
unsigned long identifier = std::numeric_limits<unsigned long>::max();
if (m_document->frame())
identifier = m_document->frame()->loader()->loadResourceSynchronously(request, storedCredentials, error, response, data);
// No exception for file:/// resources, see <rdar://problem/4962298>.
// Also, if we have an HTTP response, then it wasn't a network error in fact.
if (!error.isNull() && !requestURL.isLocalFile() && response.httpStatusCode() <= 0) {
m_client->didFail(error);
return;
}
// FIXME: FrameLoader::loadSynchronously() does not tell us whether a redirect happened or not, so we guess by comparing the
// request and response URLs. This isn't a perfect test though, since a server can serve a redirect to the same URL that was
// requested. Also comparing the request and response URLs as strings will fail if the requestURL still has its credentials.
if (requestURL != response.url() && !isAllowedRedirect(response.url())) {
m_client->didFailRedirectCheck();
return;
}
didReceiveResponse(0, response);
const char* bytes = static_cast<const char*>(data.data());
int len = static_cast<int>(data.size());
didReceiveData(0, bytes, len);
didFinishLoading(identifier, 0.0);
}
void MainResourceLoader::handleSubstituteDataLoadNow(MainResourceLoaderTimer*)
{
RefPtr<MainResourceLoader> protect(this);
KURL url = m_substituteData.responseURL();
if (url.isEmpty())
url = m_initialRequest.url();
// Clear the initial request here so that subsequent entries into the
// loader will not think there's still a deferred load left to do.
m_initialRequest = ResourceRequest();
ResourceResponse response(url, m_substituteData.mimeType(), m_substituteData.content()->size(), m_substituteData.textEncoding(), "");
didReceiveResponse(response);
}
void Downloader::performDownload()
{
long repCode = -1;
CURLcode res = CURLE_OK;
res = curl_easy_perform(m_curl);
if ( CURLE_OK == res )
{
curl_easy_getinfo(m_curl, CURLINFO_RESPONSE_CODE, &repCode);
//char buf[8];
//curl_easy_getinfo(m_curl, CURLINFO_CONTENT_TYPE, &buf);
}
didReceiveResponse(repCode);
didFinishLoading();
}
void PluginStream::sendJavaScriptStream(const KURL& requestURL, const CString& resultString)
{
didReceiveResponse(0, ResourceResponse(requestURL, "text/plain", resultString.length(), "", ""));
if (m_streamState == StreamStopped)
return;
if (!resultString.isNull()) {
didReceiveData(0, resultString.data(), resultString.length());
if (m_streamState == StreamStopped)
return;
}
m_loader = 0;
destroyStream(resultString.isNull() ? NPRES_NETWORK_ERR : NPRES_DONE);
}
void ResourceLoader::deliverResponseAndData(const ResourceResponse& response, RefPtr<SharedBuffer>&& buffer)
{
Ref<ResourceLoader> protect(*this);
didReceiveResponse(response);
if (reachedTerminalState())
return;
if (buffer) {
unsigned size = buffer->size();
didReceiveBuffer(buffer.release(), size, DataPayloadWholeResource);
if (reachedTerminalState())
return;
}
didFinishLoading(0);
}
void ResourceLoader::requestSynchronously()
{
OwnPtr<WebURLLoader> loader = adoptPtr(Platform::current()->createURLLoader());
ASSERT(loader);
// downloadToFile is not supported for synchronous requests.
ASSERT(!m_request.downloadToFile());
ResourcePtr<Resource> protectResource(m_resource);
RELEASE_ASSERT(m_connectionState == ConnectionStateNew);
m_connectionState = ConnectionStateStarted;
WrappedResourceRequest requestIn(m_request);
WebURLResponse responseOut;
responseOut.initialize();
WebURLError errorOut;
WebData dataOut;
loader->loadSynchronously(requestIn, responseOut, errorOut, dataOut);
if (errorOut.reason) {
if (m_state == Terminated) {
// A message dispatched while synchronously fetching the resource
// can bring about the cancellation of this load.
ASSERT(!m_resource);
return;
}
didFail(0, errorOut);
return;
}
didReceiveResponse(0, responseOut);
if (m_state == Terminated)
return;
RefPtr<ResourceLoadInfo> resourceLoadInfo = responseOut.toResourceResponse().resourceLoadInfo();
int64_t encodedDataLength = resourceLoadInfo ? resourceLoadInfo->encodedDataLength : WebURLLoaderClient::kUnknownEncodedDataLength;
// Follow the async case convention of not calling didReceiveData or
// appending data to m_resource if the response body is empty. Copying the
// empty buffer is a noop in most cases, but is destructive in the case of
// a 304, where it will overwrite the cached data we should be reusing.
if (dataOut.size()) {
m_fetcher->didReceiveData(m_resource, dataOut.data(), dataOut.size(), encodedDataLength);
m_resource->setResourceBuffer(dataOut);
}
didFinishLoading(0, monotonicallyIncreasingTime(), encodedDataLength);
}
void NetworkDataTaskBlob::resume()
{
ASSERT(m_state != State::Running);
if (m_state == State::Canceling || m_state == State::Completed)
return;
m_state = State::Running;
if (m_scheduledFailureType != NoFailure) {
ASSERT(m_failureTimer.isActive());
return;
}
RunLoop::main().dispatch([this, protectedThis = makeRef(*this)] {
if (m_state == State::Canceling || m_state == State::Completed || !m_client) {
clearStream();
return;
}
if (!equalLettersIgnoringASCIICase(m_firstRequest.httpMethod(), "get")) {
didFail(Error::MethodNotAllowed);
return;
}
// If the blob data is not found, fail now.
if (!m_blobData) {
didFail(Error::NotFoundError);
return;
}
// Parse the "Range" header we care about.
String range = m_firstRequest.httpHeaderField(HTTPHeaderName::Range);
if (!range.isEmpty() && !parseRange(range, m_rangeOffset, m_rangeEnd, m_rangeSuffixLength)) {
didReceiveResponse(Error::RangeError);
return;
}
getSizeForNext();
});
}
void ResourceLoader::didReceiveResponse(ResourceHandle*, const ResourceResponse& response)
{
#if ENABLE(INSPECTOR)
if (InspectorTimelineAgent::instanceCount()) {
InspectorTimelineAgent* timelineAgent = m_frame->page() ? m_frame->page()->inspectorTimelineAgent() : 0;
if (timelineAgent)
timelineAgent->willReceiveResourceResponse(identifier(), response);
}
#endif
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
if (documentLoader()->applicationCacheHost()->maybeLoadFallbackForResponse(this, response))
return;
#endif
didReceiveResponse(response);
#if ENABLE(INSPECTOR)
if (InspectorTimelineAgent::instanceCount()) {
InspectorTimelineAgent* timelineAgent = m_frame->page() ? m_frame->page()->inspectorTimelineAgent() : 0;
if (timelineAgent)
timelineAgent->didReceiveResourceResponse();
}
#endif
}
void ResourceLoader::requestSynchronously(const ResourceRequest& request) {
// downloadToFile is not supported for synchronous requests.
DCHECK(!request.downloadToFile());
DCHECK(m_loader);
DCHECK_EQ(request.priority(), ResourceLoadPriorityHighest);
WrappedResourceRequest requestIn(request);
WebURLResponse responseOut;
WebURLError errorOut;
WebData dataOut;
int64_t encodedDataLength = WebURLLoaderClient::kUnknownEncodedDataLength;
int64_t encodedBodyLength = 0;
m_loader->loadSynchronously(requestIn, responseOut, errorOut, dataOut,
encodedDataLength, encodedBodyLength);
// A message dispatched while synchronously fetching the resource
// can bring about the cancellation of this load.
if (!m_loader)
return;
if (errorOut.reason) {
didFail(errorOut, encodedDataLength, encodedBodyLength);
return;
}
didReceiveResponse(responseOut);
if (!m_loader)
return;
DCHECK_GE(responseOut.toResourceResponse().encodedBodyLength(), 0);
// Follow the async case convention of not calling didReceiveData or
// appending data to m_resource if the response body is empty. Copying the
// empty buffer is a noop in most cases, but is destructive in the case of
// a 304, where it will overwrite the cached data we should be reusing.
if (dataOut.size()) {
m_fetcher->didReceiveData(m_resource.get(), dataOut.data(), dataOut.size());
m_resource->setResourceBuffer(dataOut);
}
didFinishLoading(monotonicallyIncreasingTime(), encodedDataLength,
encodedBodyLength);
}
void ResourceLoader::requestSynchronously()
{
OwnPtr<WebURLLoader> loader = adoptPtr(Platform::current()->createURLLoader());
ASSERT(loader);
// downloadToFile is not supported for synchronous requests.
ASSERT(!m_request.downloadToFile());
ResourcePtr<Resource> protectResource(m_resource);
RELEASE_ASSERT(m_connectionState == ConnectionStateNew);
m_connectionState = ConnectionStateStarted;
WrappedResourceRequest requestIn(m_request);
WebURLResponse responseOut;
responseOut.initialize();
WebURLError errorOut;
WebData dataOut;
loader->loadSynchronously(requestIn, responseOut, errorOut, dataOut);
if (errorOut.reason) {
if (m_state == Terminated) {
// A message dispatched while synchronously fetching the resource
// can bring about the cancellation of this load.
ASSERT(!m_resource);
return;
}
didFail(0, errorOut);
return;
}
didReceiveResponse(0, responseOut);
if (m_state == Terminated)
return;
RefPtr<ResourceLoadInfo> resourceLoadInfo = responseOut.toResourceResponse().resourceLoadInfo();
int64_t encodedDataLength = resourceLoadInfo ? resourceLoadInfo->encodedDataLength : WebURLLoaderClient::kUnknownEncodedDataLength;
m_fetcher->didReceiveData(m_resource, dataOut.data(), dataOut.size(), encodedDataLength);
m_resource->setResourceBuffer(dataOut);
didFinishLoading(0, monotonicallyIncreasingTime(), encodedDataLength);
}
void NetworkDataTaskBlob::getSizeForNext()
{
ASSERT(isMainThread());
// Do we finish validating and counting size for all items?
if (m_sizeItemCount >= m_blobData->items().size()) {
seek();
didReceiveResponse();
return;
}
const BlobDataItem& item = m_blobData->items().at(m_sizeItemCount);
switch (item.type()) {
case BlobDataItem::Type::Data:
didGetSize(item.length());
break;
case BlobDataItem::Type::File:
// Files know their sizes, but asking the stream to verify that the file wasn't modified.
m_stream->getSize(item.file()->path(), item.file()->expectedModificationTime());
break;
default:
ASSERT_NOT_REACHED();
}
}
void handleResponse()
{
m_handleResponseLaterID = 0;
didReceiveResponse(0, m_delayedResponse);
}
bool MultipartHandle::processContent()
{
/*
The allowed transitions between the states:
Check Boundary
|
/-- In Boundary <----\
| | |
| In Header |
| | |
| In Content |
| | |
| End Boundary ----/
| |
\-----> End
*/
switch (m_state) {
case CheckBoundary: {
if (m_buffer.size() < m_boundaryLength) {
// We don't have enough data, so just skip.
return false;
}
// Check for the boundary string.
size_t boundaryStart;
size_t lastPartialMatch;
if (!checkForBoundary(boundaryStart, lastPartialMatch) && boundaryStart == notFound) {
// Did not find the boundary start in this chunk.
// Skip ahead to the last valid looking boundary character and start again.
m_buffer.remove(0, lastPartialMatch);
return false;
}
// Found the boundary start.
// Consume everything before that and also the boundary
m_buffer.remove(0, boundaryStart + m_boundaryLength);
m_state = InBoundary;
}
// Fallthrough.
case InBoundary: {
// Now the first two characters should be: \r\n
if (m_buffer.size() < 2)
return false;
const char* content = m_buffer.data();
// By default we'll remove 2 characters at the end.
// The \r and \n as stated in the multipart RFC.
size_t removeCount = 2;
if (content[0] != '\r' || content[1] != '\n') {
// There should be a \r and a \n but it seems that's not the case.
// So we'll check for a simple \n. Not really RFC compatible but servers do tricky things.
if (content[0] != '\n') {
// Also no \n so just go to the end.
m_state = End;
return false;
}
// Found a simple \n so remove just that.
removeCount = 1;
}
// Consume the characters.
m_buffer.remove(0, removeCount);
m_headers.clear();
m_state = InHeader;
}
// Fallthrough.
case InHeader: {
// Process the headers.
if (!parseHeadersIfPossible()) {
// Parsing of headers failed, try again later.
return false;
}
didReceiveResponse();
m_state = InContent;
}
// Fallthrough.
case InContent: {
if (m_buffer.isEmpty())
return false;
size_t boundaryStart = notFound;
size_t lastPartialMatch;
if (!checkForBoundary(boundaryStart, lastPartialMatch) && boundaryStart == notFound) {
// Did not find the boundary start, all data up to the lastPartialMatch is ok.
didReceiveData(lastPartialMatch);
m_buffer.remove(0, lastPartialMatch);
return false;
}
// There was a boundary start (or end we'll check that later), push out part of the data.
didReceiveData(boundaryStart);
m_buffer.remove(0, boundaryStart + m_boundaryLength);
m_state = EndBoundary;
}
// Fallthrough.
case EndBoundary: {
if (m_buffer.size() < 2)
return false; // Not enough data to check. Return later when there is more data.
// We'll decide if this is a closing boundary or an opening one.
const char* content = m_buffer.data();
if (content[0] == '-' && content[1] == '-') {
// This is a closing boundary. Close down the handler.
m_state = End;
return false;
}
// This was a simple content separator not a closing one.
// Go to before the content processing.
m_state = InBoundary;
break;
}
case End:
// We are done. Nothing to do anymore.
return false;
default:
ASSERT_NOT_REACHED();
return false;
}
return true; // There are still things to process, so go for it.
}
void ResourceLoader::didReceiveResponse(ResourceHandle*, const ResourceResponse& response)
{
didReceiveResponse(response);
}
void DocumentThreadableLoader::loadRequest(const ResourceRequest& request, SecurityCheckPolicy securityCheck)
{
// Any credential should have been removed from the cross-site requests.
const KURL& requestURL = request.url();
m_options.securityCheck = securityCheck;
ASSERT(m_sameOriginRequest || requestURL.user().isEmpty());
ASSERT(m_sameOriginRequest || requestURL.pass().isEmpty());
if (m_async) {
ThreadableLoaderOptions options = m_options;
options.crossOriginCredentialPolicy = DoNotAskClientForCrossOriginCredentials;
if (m_actualRequest) {
// Don't sniff content or send load callbacks for the preflight request.
options.sendLoadCallbacks = DoNotSendCallbacks;
options.sniffContent = DoNotSniffContent;
// Keep buffering the data for the preflight request.
options.shouldBufferData = BufferData;
}
CachedResourceRequest newRequest(request, options);
#if ENABLE(INSPECTOR)
if (m_actualRequest) {
// Because willSendRequest only gets called during redirects, we initialize the identifier and the first willSendRequest here.
m_preflightRequestIdentifier = m_document->frame()->page()->progress()->createUniqueIdentifier();
ResourceResponse redirectResponse = ResourceResponse();
InspectorInstrumentation::willSendRequest(m_document->frame(), m_preflightRequestIdentifier, m_document->frame()->loader()->documentLoader(), newRequest.mutableResourceRequest(), redirectResponse);
}
#endif
ASSERT(!m_resource);
m_resource = m_document->cachedResourceLoader()->requestRawResource(newRequest);
if (m_resource) {
#if ENABLE(INSPECTOR)
if (m_resource->loader()) {
unsigned long identifier = m_actualRequest ? m_preflightRequestIdentifier : m_resource->loader()->identifier();
InspectorInstrumentation::documentThreadableLoaderStartedLoadingForClient(m_document, identifier, m_client);
}
#endif
m_resource->addClient(this);
}
return;
}
// FIXME: ThreadableLoaderOptions.sniffContent is not supported for synchronous requests.
Vector<char> data;
ResourceError error;
ResourceResponse response;
unsigned long identifier = std::numeric_limits<unsigned long>::max();
if (m_document->frame())
identifier = m_document->frame()->loader()->loadResourceSynchronously(request, m_options.allowCredentials, error, response, data);
InspectorInstrumentation::documentThreadableLoaderStartedLoadingForClient(m_document, identifier, m_client);
// No exception for file:/// resources, see <rdar://problem/4962298>.
// Also, if we have an HTTP response, then it wasn't a network error in fact.
if (!error.isNull() && !requestURL.isLocalFile() && response.httpStatusCode() <= 0) {
m_client->didFail(error);
return;
}
// FIXME: FrameLoader::loadSynchronously() does not tell us whether a redirect happened or not, so we guess by comparing the
// request and response URLs. This isn't a perfect test though, since a server can serve a redirect to the same URL that was
// requested. Also comparing the request and response URLs as strings will fail if the requestURL still has its credentials.
if (requestURL != response.url() && !isAllowedRedirect(response.url())) {
m_client->didFailRedirectCheck();
return;
}
didReceiveResponse(identifier, response);
const char* bytes = static_cast<const char*>(data.data());
int len = static_cast<int>(data.size());
dataReceived(0, bytes, len);
didFinishLoading(identifier, 0.0);
}
void ResourceLoader::didReceiveResponse(ResourceHandle*, const ResourceResponse& response)
{
if (documentLoader()->applicationCacheHost()->maybeLoadFallbackForResponse(this, response))
return;
didReceiveResponse(response);
}
void handleResponse()
{
didReceiveResponse(nullptr, m_delayedResponse);
}
void DocumentThreadableLoader::loadRequest(const ResourceRequest& request, SecurityCheckPolicy securityCheck)
{
// Any credential should have been removed from the cross-site requests.
const URL& requestURL = request.url();
m_options.setSecurityCheck(securityCheck);
ASSERT(m_sameOriginRequest || requestURL.user().isEmpty());
ASSERT(m_sameOriginRequest || requestURL.pass().isEmpty());
if (m_async) {
ThreadableLoaderOptions options = m_options;
options.setClientCredentialPolicy(DoNotAskClientForCrossOriginCredentials);
if (m_actualRequest) {
// Don't sniff content or send load callbacks for the preflight request.
options.setSendLoadCallbacks(DoNotSendCallbacks);
options.setSniffContent(DoNotSniffContent);
// Keep buffering the data for the preflight request.
options.setDataBufferingPolicy(BufferData);
}
CachedResourceRequest newRequest(request, options);
if (RuntimeEnabledFeatures::sharedFeatures().resourceTimingEnabled())
newRequest.setInitiator(m_options.initiator);
ASSERT(!m_resource);
m_resource = m_document.cachedResourceLoader().requestRawResource(newRequest);
if (m_resource)
m_resource->addClient(this);
return;
}
// FIXME: ThreadableLoaderOptions.sniffContent is not supported for synchronous requests.
RefPtr<SharedBuffer> data;
ResourceError error;
ResourceResponse response;
unsigned long identifier = std::numeric_limits<unsigned long>::max();
if (m_document.frame())
identifier = m_document.frame()->loader().loadResourceSynchronously(request, m_options.allowCredentials(), m_options.clientCredentialPolicy(), error, response, data);
if (!error.isNull() && response.httpStatusCode() <= 0) {
if (requestURL.isLocalFile()) {
// We don't want XMLHttpRequest to raise an exception for file:// resources, see <rdar://problem/4962298>.
// FIXME: XMLHttpRequest quirks should be in XMLHttpRequest code, not in DocumentThreadableLoader.cpp.
didReceiveResponse(identifier, response);
didFinishLoading(identifier, 0.0);
return;
}
m_client->didFail(error);
return;
}
// FIXME: FrameLoader::loadSynchronously() does not tell us whether a redirect happened or not, so we guess by comparing the
// request and response URLs. This isn't a perfect test though, since a server can serve a redirect to the same URL that was
// requested. Also comparing the request and response URLs as strings will fail if the requestURL still has its credentials.
bool didRedirect = requestURL != response.url();
if (didRedirect && (!isAllowedByContentSecurityPolicy(response.url(), didRedirect) || !isAllowedRedirect(response.url()))) {
m_client->didFailRedirectCheck();
return;
}
didReceiveResponse(identifier, response);
if (data)
didReceiveData(identifier, data->data(), data->size());
didFinishLoading(identifier, 0.0);
}
void DocumentThreadableLoader::responseReceived(CachedResource* resource, const ResourceResponse& response)
{
ASSERT_UNUSED(resource, resource == m_resource);
didReceiveResponse(m_resource->identifier(), response);
}
void ResourceLoader::didReceiveResponse(WebURLLoader* loader, const WebURLResponse& response)
{
didReceiveResponse(loader, response, nullptr);
}