NetworkResourceLoader.cpp [plain text]
#include "config.h"
#include "NetworkResourceLoader.h"
#if ENABLE(NETWORK_PROCESS)
#include "AsynchronousNetworkLoaderClient.h"
#include "AuthenticationManager.h"
#include "DataReference.h"
#include "Logging.h"
#include "NetworkBlobRegistry.h"
#include "NetworkConnectionToWebProcess.h"
#include "NetworkProcess.h"
#include "NetworkProcessConnectionMessages.h"
#include "NetworkResourceLoadParameters.h"
#include "PlatformCertificateInfo.h"
#include "RemoteNetworkingContext.h"
#include "ShareableResource.h"
#include "SharedMemory.h"
#include "SynchronousNetworkLoaderClient.h"
#include "WebCoreArgumentCoders.h"
#include "WebErrors.h"
#include "WebResourceLoaderMessages.h"
#include <WebCore/NotImplemented.h>
#include <WebCore/ResourceBuffer.h>
#include <WebCore/ResourceHandle.h>
#include <wtf/MainThread.h>
using namespace WebCore;
namespace WebKit {
NetworkResourceLoader::NetworkResourceLoader(const NetworkResourceLoadParameters& parameters, NetworkConnectionToWebProcess* connection, PassRefPtr<Messages::NetworkConnectionToWebProcess::PerformSynchronousLoad::DelayedReply> reply)
: m_bytesReceived(0)
, m_handleConvertedToDownload(false)
, m_identifier(parameters.identifier)
, m_webPageID(parameters.webPageID)
, m_webFrameID(parameters.webFrameID)
, m_request(parameters.request)
, m_priority(parameters.priority)
, m_contentSniffingPolicy(parameters.contentSniffingPolicy)
, m_allowStoredCredentials(parameters.allowStoredCredentials)
, m_clientCredentialPolicy(parameters.clientCredentialPolicy)
, m_inPrivateBrowsingMode(parameters.inPrivateBrowsingMode)
, m_shouldClearReferrerOnHTTPSToHTTPRedirect(parameters.shouldClearReferrerOnHTTPSToHTTPRedirect)
, m_isLoadingMainResource(parameters.isMainResource)
, m_sandboxExtensionsAreConsumed(false)
, m_connection(connection)
{
ASSERT((m_webPageID && m_webFrameID) || m_clientCredentialPolicy == DoNotAskClientForAnyCredentials);
for (size_t i = 0, count = parameters.requestBodySandboxExtensions.size(); i < count; ++i) {
if (RefPtr<SandboxExtension> extension = SandboxExtension::create(parameters.requestBodySandboxExtensions[i]))
m_requestBodySandboxExtensions.append(extension);
}
#if ENABLE(BLOB)
if (m_request.httpBody()) {
const Vector<FormDataElement>& elements = m_request.httpBody()->elements();
for (size_t i = 0, count = elements.size(); i < count; ++i) {
if (elements[i].m_type == FormDataElement::encodedBlob) {
Vector<RefPtr<SandboxExtension>> blobElementExtensions = NetworkBlobRegistry::shared().sandboxExtensions(elements[i].m_url);
m_requestBodySandboxExtensions.appendVector(blobElementExtensions);
}
}
}
if (m_request.url().protocolIs("blob")) {
ASSERT(!SandboxExtension::create(parameters.resourceSandboxExtension));
m_resourceSandboxExtensions = NetworkBlobRegistry::shared().sandboxExtensions(m_request.url());
} else
#endif
if (RefPtr<SandboxExtension> resourceSandboxExtension = SandboxExtension::create(parameters.resourceSandboxExtension))
m_resourceSandboxExtensions.append(resourceSandboxExtension);
ASSERT(isMainThread());
if (reply)
m_networkLoaderClient = SynchronousNetworkLoaderClient::create(m_request, reply);
else
m_networkLoaderClient = AsynchronousNetworkLoaderClient::create();
}
NetworkResourceLoader::~NetworkResourceLoader()
{
ASSERT(isMainThread());
ASSERT(!m_handle);
ASSERT(!m_hostRecord);
}
bool NetworkResourceLoader::isSynchronous() const
{
return m_networkLoaderClient->isSynchronous();
}
void NetworkResourceLoader::start()
{
ASSERT(isMainThread());
ref();
m_networkingContext = RemoteNetworkingContext::create(false, false, m_inPrivateBrowsingMode, m_shouldClearReferrerOnHTTPSToHTTPRedirect);
consumeSandboxExtensions();
m_handle = ResourceHandle::create(m_networkingContext.get(), m_request, this, false , m_contentSniffingPolicy == SniffContent);
}
void NetworkResourceLoader::cleanup()
{
ASSERT(isMainThread());
invalidateSandboxExtensions();
if (FormData* formData = request().httpBody())
formData->removeGeneratedFilesIfNeeded();
NetworkProcess::shared().networkResourceLoadScheduler().scheduleRemoveLoader(this);
if (m_handle) {
m_handle = 0;
deref();
}
}
void NetworkResourceLoader::didConvertHandleToDownload()
{
ASSERT(m_handle);
m_handleConvertedToDownload = true;
}
void NetworkResourceLoader::abort()
{
ASSERT(isMainThread());
if (m_handle && !m_handleConvertedToDownload)
m_handle->cancel();
cleanup();
}
void NetworkResourceLoader::didReceiveResponseAsync(ResourceHandle* handle, const ResourceResponse& response)
{
ASSERT_UNUSED(handle, handle == m_handle);
if (FormData* formData = request().httpBody())
formData->removeGeneratedFilesIfNeeded();
m_networkLoaderClient->didReceiveResponse(this, response);
if (!m_handle)
return;
if (!m_isLoadingMainResource) {
m_handle->continueDidReceiveResponse();
}
}
void NetworkResourceLoader::didReceiveData(ResourceHandle*, const char* data, int length, int encodedDataLength)
{
ASSERT_NOT_REACHED();
}
void NetworkResourceLoader::didReceiveBuffer(ResourceHandle* handle, PassRefPtr<SharedBuffer> buffer, int encodedDataLength)
{
ASSERT_UNUSED(handle, handle == m_handle);
m_bytesReceived += buffer->size();
m_networkLoaderClient->didReceiveBuffer(this, buffer.get(), encodedDataLength);
}
void NetworkResourceLoader::didFinishLoading(ResourceHandle* handle, double finishTime)
{
ASSERT_UNUSED(handle, handle == m_handle);
m_networkLoaderClient->didFinishLoading(this, finishTime);
cleanup();
}
void NetworkResourceLoader::didFail(ResourceHandle* handle, const ResourceError& error)
{
ASSERT_UNUSED(handle, handle == m_handle);
m_networkLoaderClient->didFail(this, error);
cleanup();
}
void NetworkResourceLoader::willSendRequestAsync(ResourceHandle* handle, const ResourceRequest& request, const ResourceResponse& redirectResponse)
{
ASSERT_UNUSED(handle, handle == m_handle);
ASSERT(!redirectResponse.isNull());
ASSERT(isMainThread());
ResourceRequest proposedRequest = request;
m_suggestedRequestForWillSendRequest = request;
m_networkLoaderClient->willSendRequest(this, proposedRequest, redirectResponse);
}
void NetworkResourceLoader::continueWillSendRequest(const ResourceRequest& newRequest)
{
m_suggestedRequestForWillSendRequest.updateFromDelegatePreservingOldHTTPBody(newRequest.nsURLRequest(DoNotUpdateHTTPBody));
RunLoop::main()->dispatch(bind(&NetworkResourceLoadScheduler::receivedRedirect, &NetworkProcess::shared().networkResourceLoadScheduler(), this, m_suggestedRequestForWillSendRequest.url()));
m_request = m_suggestedRequestForWillSendRequest;
m_suggestedRequestForWillSendRequest = ResourceRequest();
m_handle->continueWillSendRequest(m_request);
if (m_request.isNull()) {
m_handle->cancel();
didFail(m_handle.get(), cancelledError(m_request));
}
}
void NetworkResourceLoader::continueDidReceiveResponse()
{
if (!m_handle)
return;
m_handle->continueDidReceiveResponse();
}
void NetworkResourceLoader::didSendData(ResourceHandle* handle, unsigned long long bytesSent, unsigned long long totalBytesToBeSent)
{
ASSERT_UNUSED(handle, handle == m_handle);
m_networkLoaderClient->didSendData(this, bytesSent, totalBytesToBeSent);
}
void NetworkResourceLoader::wasBlocked(ResourceHandle* handle)
{
ASSERT_UNUSED(handle, handle == m_handle);
didFail(handle, WebKit::blockedError(request()));
}
void NetworkResourceLoader::cannotShowURL(ResourceHandle* handle)
{
ASSERT_UNUSED(handle, handle == m_handle);
didFail(handle, WebKit::cannotShowURLError(request()));
}
bool NetworkResourceLoader::shouldUseCredentialStorage(ResourceHandle* handle)
{
ASSERT_UNUSED(handle, handle == m_handle || !m_handle);
return m_allowStoredCredentials == AllowStoredCredentials;
}
void NetworkResourceLoader::shouldUseCredentialStorageAsync(ResourceHandle* handle)
{
ASSERT_UNUSED(handle, handle == m_handle);
handle->continueShouldUseCredentialStorage(shouldUseCredentialStorage(handle));
}
void NetworkResourceLoader::didReceiveAuthenticationChallenge(ResourceHandle* handle, const AuthenticationChallenge& challenge)
{
ASSERT_UNUSED(handle, handle == m_handle);
if (m_clientCredentialPolicy == DoNotAskClientForAnyCredentials) {
challenge.authenticationClient()->receivedRequestToContinueWithoutCredential(challenge);
return;
}
NetworkProcess::shared().authenticationManager().didReceiveAuthenticationChallenge(m_webPageID, m_webFrameID, challenge);
}
void NetworkResourceLoader::didCancelAuthenticationChallenge(ResourceHandle* handle, const AuthenticationChallenge& challenge)
{
ASSERT_UNUSED(handle, handle == m_handle);
notImplemented();
}
CoreIPC::Connection* NetworkResourceLoader::messageSenderConnection()
{
return connectionToWebProcess()->connection();
}
void NetworkResourceLoader::consumeSandboxExtensions()
{
for (size_t i = 0, count = m_requestBodySandboxExtensions.size(); i < count; ++i)
m_requestBodySandboxExtensions[i]->consume();
for (size_t i = 0, count = m_resourceSandboxExtensions.size(); i < count; ++i)
m_resourceSandboxExtensions[i]->consume();
m_sandboxExtensionsAreConsumed = true;
}
void NetworkResourceLoader::invalidateSandboxExtensions()
{
if (m_sandboxExtensionsAreConsumed) {
for (size_t i = 0, count = m_requestBodySandboxExtensions.size(); i < count; ++i)
m_requestBodySandboxExtensions[i]->revoke();
for (size_t i = 0, count = m_resourceSandboxExtensions.size(); i < count; ++i)
m_resourceSandboxExtensions[i]->revoke();
}
m_requestBodySandboxExtensions.clear();
m_resourceSandboxExtensions.clear();
m_sandboxExtensionsAreConsumed = false;
}
#if USE(PROTECTION_SPACE_AUTH_CALLBACK)
void NetworkResourceLoader::canAuthenticateAgainstProtectionSpaceAsync(ResourceHandle* handle, const ProtectionSpace& protectionSpace)
{
ASSERT(isMainThread());
ASSERT_UNUSED(handle, handle == m_handle);
m_networkLoaderClient->canAuthenticateAgainstProtectionSpace(this, protectionSpace);
}
void NetworkResourceLoader::continueCanAuthenticateAgainstProtectionSpace(bool result)
{
m_handle->continueCanAuthenticateAgainstProtectionSpace(result);
}
#endif
#if USE(NETWORK_CFDATA_ARRAY_CALLBACK)
bool NetworkResourceLoader::supportsDataArray()
{
notImplemented();
return false;
}
void NetworkResourceLoader::didReceiveDataArray(ResourceHandle*, CFArrayRef)
{
ASSERT_NOT_REACHED();
notImplemented();
}
#endif
#if PLATFORM(MAC)
void NetworkResourceLoader::willStopBufferingData(ResourceHandle*, const char*, int)
{
notImplemented();
}
#endif // PLATFORM(MAC)
}
#endif // ENABLE(NETWORK_PROCESS)