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/*
* Copyright (C) 2019 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "MessageReceiver.h"
#include "MessageSender.h"
#include "WebPageProxyIdentifier.h"
#include <WebCore/FrameIdentifier.h>
#include <WebCore/PageIdentifier.h>
#include <WebCore/Timer.h>
#include <WebCore/WebSocketIdentifier.h>
#include <pal/SessionID.h>
#include <wtf/CompletionHandler.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
struct ClientOrigin;
enum class AdvancedPrivacyProtections : uint16_t;
enum class StoredCredentialsPolicy : uint8_t;
class ResourceRequest;
class ResourceResponse;
}
namespace IPC {
class Connection;
class Decoder;
}
namespace WebKit {
class WebSocketTask;
class NetworkConnectionToWebProcess;
class NetworkProcess;
class NetworkSession;
class NetworkSocketChannel : public IPC::MessageSender, public IPC::MessageReceiver, public RefCounted<NetworkSocketChannel> {
WTF_MAKE_TZONE_ALLOCATED(NetworkSocketChannel);
public:
static RefPtr<NetworkSocketChannel> create(NetworkConnectionToWebProcess&, PAL::SessionID, const WebCore::ResourceRequest&, const String& protocol, WebCore::WebSocketIdentifier, WebPageProxyIdentifier, std::optional<WebCore::FrameIdentifier>, std::optional<WebCore::PageIdentifier>, const WebCore::ClientOrigin&, bool hadMainFrameMainResourcePrivateRelayed, bool allowPrivacyProxy, OptionSet<WebCore::AdvancedPrivacyProtections>, WebCore::StoredCredentialsPolicy);
~NetworkSocketChannel();
void ref() const final { RefCounted::ref(); }
void deref() const final { RefCounted::deref(); }
void didReceiveMessage(IPC::Connection&, IPC::Decoder&);
friend class WebSocketTask;
private:
NetworkSocketChannel(NetworkConnectionToWebProcess&, NetworkSession*, const WebCore::ResourceRequest&, const String& protocol, WebCore::WebSocketIdentifier, WebPageProxyIdentifier, std::optional<WebCore::FrameIdentifier>, std::optional<WebCore::PageIdentifier>, const WebCore::ClientOrigin&, bool hadMainFrameMainResourcePrivateRelayed, bool allowPrivacyProxy, OptionSet<WebCore::AdvancedPrivacyProtections>, WebCore::StoredCredentialsPolicy);
Ref<NetworkConnectionToWebProcess> protectedConnectionToWebProcess();
void didConnect(const String& subprotocol, const String& extensions);
void didReceiveText(const String&);
void didReceiveBinaryData(std::span<const uint8_t>);
void didClose(unsigned short code, const String& reason);
void didReceiveMessageError(String&&);
void didSendHandshakeRequest(WebCore::ResourceRequest&&);
void didReceiveHandshakeResponse(WebCore::ResourceResponse&&);
void sendString(std::span<const uint8_t>, CompletionHandler<void()>&&);
void sendData(std::span<const uint8_t>, CompletionHandler<void()>&&);
void close(int32_t code, const String& reason);
void sendDelayedError();
NetworkSession* session() const;
CheckedPtr<WebSocketTask> checkedSocket();
IPC::Connection* messageSenderConnection() const final;
uint64_t messageSenderDestinationID() const final { return m_identifier.toUInt64(); }
void finishClosingIfPossible();
WeakRef<NetworkConnectionToWebProcess> m_connectionToWebProcess;
WebCore::WebSocketIdentifier m_identifier;
WeakPtr<NetworkSession> m_session;
std::unique_ptr<WebSocketTask> m_socket;
enum class State { Open, Closing, Closed };
State m_state { State::Open };
WebCore::Timer m_errorTimer;
String m_errorMessage;
std::optional<std::pair<unsigned short, String>> m_closeInfo;
WebPageProxyIdentifier m_webPageProxyID;
};
} // namespace WebKit
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