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/*
* Copyright (C) 2013 Igalia S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "LegacyCustomProtocolManager.h"
#include "DataReference.h"
#include "LegacyCustomProtocolManagerMessages.h"
#include "NetworkProcess.h"
#include "WebKitSoupRequestInputStream.h"
#include <WebCore/NetworkStorageSession.h>
#include <WebCore/NotImplemented.h>
#include <WebCore/ResourceError.h>
#include <WebCore/ResourceRequest.h>
#include <WebCore/ResourceResponse.h>
#include <WebCore/SoupNetworkSession.h>
#include <WebCore/WebKitSoupRequestGeneric.h>
#include <wtf/NeverDestroyed.h>
using namespace WebCore;
namespace WebKit {
LegacyCustomProtocolManager::WebSoupRequestAsyncData::WebSoupRequestAsyncData(GRefPtr<GTask>&& requestTask, WebKitSoupRequestGeneric* requestGeneric)
: task(WTFMove(requestTask))
, request(requestGeneric)
, cancellable(g_task_get_cancellable(task.get()))
{
// If the struct contains a null request, it is because the request failed.
g_object_add_weak_pointer(G_OBJECT(request), reinterpret_cast<void**>(&request));
}
LegacyCustomProtocolManager::WebSoupRequestAsyncData::~WebSoupRequestAsyncData()
{
if (request)
g_object_remove_weak_pointer(G_OBJECT(request), reinterpret_cast<void**>(&request));
}
class CustomProtocolRequestClient final : public WebKitSoupRequestGenericClient {
public:
static CustomProtocolRequestClient& singleton()
{
static NeverDestroyed<CustomProtocolRequestClient> client;
return client;
}
private:
void startRequest(GRefPtr<GTask>&& task) override
{
WebKitSoupRequestGeneric* request = WEBKIT_SOUP_REQUEST_GENERIC(g_task_get_source_object(task.get()));
auto* customProtocolManager = NetworkProcess::singleton().supplement<LegacyCustomProtocolManager>();
if (!customProtocolManager)
return;
auto customProtocolID = customProtocolManager->addCustomProtocol(std::make_unique<LegacyCustomProtocolManager::WebSoupRequestAsyncData>(WTFMove(task), request));
customProtocolManager->startLoading(customProtocolID, webkitSoupRequestGenericGetRequest(request));
}
};
void LegacyCustomProtocolManager::registerProtocolClass()
{
static_cast<WebKitSoupRequestGenericClass*>(g_type_class_ref(WEBKIT_TYPE_SOUP_REQUEST_GENERIC))->client = &CustomProtocolRequestClient::singleton();
SoupNetworkSession::setCustomProtocolRequestType(WEBKIT_TYPE_SOUP_REQUEST_GENERIC);
}
void LegacyCustomProtocolManager::registerScheme(const String& scheme)
{
if (!m_registeredSchemes)
m_registeredSchemes = adoptGRef(g_ptr_array_new_with_free_func(g_free));
if (m_registeredSchemes->len)
g_ptr_array_remove_index_fast(m_registeredSchemes.get(), m_registeredSchemes->len - 1);
g_ptr_array_add(m_registeredSchemes.get(), g_strdup(scheme.utf8().data()));
g_ptr_array_add(m_registeredSchemes.get(), nullptr);
auto* genericRequestClass = static_cast<SoupRequestClass*>(g_type_class_peek(WEBKIT_TYPE_SOUP_REQUEST_GENERIC));
ASSERT(genericRequestClass);
genericRequestClass->schemes = const_cast<const char**>(reinterpret_cast<char**>(m_registeredSchemes->pdata));
NetworkStorageSession::forEach([](const WebCore::NetworkStorageSession& session) {
if (auto* soupSession = session.soupNetworkSession())
soupSession->setupCustomProtocols();
});
}
void LegacyCustomProtocolManager::unregisterScheme(const String&)
{
notImplemented();
}
bool LegacyCustomProtocolManager::supportsScheme(const String& scheme)
{
if (scheme.isNull())
return false;
CString cScheme = scheme.utf8();
for (unsigned i = 0; i < m_registeredSchemes->len; ++i) {
if (cScheme == static_cast<char*>(g_ptr_array_index(m_registeredSchemes.get(), i)))
return true;
}
return false;
}
void LegacyCustomProtocolManager::didFailWithError(uint64_t customProtocolID, const ResourceError& error)
{
auto* data = m_customProtocolMap.get(customProtocolID);
ASSERT(data);
// Either we haven't started reading the stream yet, in which case we need to complete the
// task first, or we failed reading it and the task was already completed by didLoadData().
ASSERT(!data->stream || !data->task);
if (!data->stream) {
GRefPtr<GTask> task = std::exchange(data->task, nullptr);
ASSERT(task.get());
g_task_return_new_error(task.get(), g_quark_from_string(error.domain().utf8().data()),
error.errorCode(), "%s", error.localizedDescription().utf8().data());
} else
webkitSoupRequestInputStreamDidFailWithError(WEBKIT_SOUP_REQUEST_INPUT_STREAM(data->stream.get()), error);
removeCustomProtocol(customProtocolID);
}
void LegacyCustomProtocolManager::didLoadData(uint64_t customProtocolID, const IPC::DataReference& dataReference)
{
auto* data = m_customProtocolMap.get(customProtocolID);
// The data might have been removed from the request map if a previous chunk failed
// and a new message was sent by the UI process before being notified about the failure.
if (!data)
return;
if (!data->stream) {
GRefPtr<GTask> task = std::exchange(data->task, nullptr);
ASSERT(task.get());
goffset soupContentLength = soup_request_get_content_length(SOUP_REQUEST(g_task_get_source_object(task.get())));
uint64_t contentLength = soupContentLength == -1 ? 0 : static_cast<uint64_t>(soupContentLength);
if (!dataReference.size()) {
// Empty reply, just create and empty GMemoryInputStream.
data->stream = g_memory_input_stream_new();
} else if (dataReference.size() == contentLength) {
// We don't expect more data, so we can just create a GMemoryInputStream with all the data.
data->stream = g_memory_input_stream_new_from_data(g_memdup(dataReference.data(), dataReference.size()), contentLength, g_free);
} else {
// We expect more data chunks from the UI process.
data->stream = webkitSoupRequestInputStreamNew(contentLength);
webkitSoupRequestInputStreamAddData(WEBKIT_SOUP_REQUEST_INPUT_STREAM(data->stream.get()), dataReference.data(), dataReference.size());
}
g_task_return_pointer(task.get(), data->stream.get(), g_object_unref);
return;
}
if (g_cancellable_is_cancelled(data->cancellable.get()) || !data->request) {
// ResourceRequest failed or it was cancelled. It doesn't matter here the error or if it was cancelled,
// because that's already handled by the resource handle client, we just want to notify the UI process
// to stop reading data from the user input stream. If UI process already sent all the data we simply
// finish silently.
if (!webkitSoupRequestInputStreamFinished(WEBKIT_SOUP_REQUEST_INPUT_STREAM(data->stream.get())))
stopLoading(customProtocolID);
return;
}
webkitSoupRequestInputStreamAddData(WEBKIT_SOUP_REQUEST_INPUT_STREAM(data->stream.get()), dataReference.data(), dataReference.size());
}
void LegacyCustomProtocolManager::didReceiveResponse(uint64_t customProtocolID, const ResourceResponse& response, uint32_t)
{
auto* data = m_customProtocolMap.get(customProtocolID);
// The data might have been removed from the request map if an error happened even before this point.
if (!data)
return;
ASSERT(data->task);
WebKitSoupRequestGeneric* request = WEBKIT_SOUP_REQUEST_GENERIC(g_task_get_source_object(data->task.get()));
webkitSoupRequestGenericSetContentLength(request, response.expectedContentLength() ? response.expectedContentLength() : -1);
webkitSoupRequestGenericSetContentType(request, !response.mimeType().isEmpty() ? response.mimeType().utf8().data() : 0);
}
void LegacyCustomProtocolManager::didFinishLoading(uint64_t customProtocolID)
{
ASSERT(m_customProtocolMap.contains(customProtocolID));
removeCustomProtocol(customProtocolID);
}
void LegacyCustomProtocolManager::wasRedirectedToRequest(uint64_t, const ResourceRequest&, const ResourceResponse&)
{
notImplemented();
}
} // namespace WebKit
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