tdesktop/Telegram/SourceFiles/mtproto/details/mtproto_tls_socket.h

69 lines
1.7 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#pragma once
#include "mtproto/details/mtproto_abstract_socket.h"
namespace MTP::details {
class TlsSocket final : public AbstractSocket {
public:
TlsSocket(
not_null<QThread*> thread,
const bytes::vector &secret,
const QNetworkProxy &proxy,
bool protocolForFiles);
void connectToHost(const QString &address, int port) override;
bool isGoodStartNonce(bytes::const_span nonce) override;
void timedOut() override;
bool isConnected() override;
bool hasBytesAvailable() override;
int64 read(bytes::span buffer) override;
void write(bytes::const_span prefix, bytes::const_span buffer) override;
int32 debugState() override;
QString debugPostfix() const override;
private:
enum class State {
NotConnected,
Connecting,
WaitingHello,
Connected,
Error,
};
[[nodiscard]] bytes::const_span domainFromSecret() const;
[[nodiscard]] bytes::const_span keyFromSecret() const;
void plainConnected();
void plainDisconnected();
void plainReadyRead();
void handleError(int errorCode = 0);
[[nodiscard]] bool requiredHelloPartReady() const;
void readHello();
void checkHelloParts12(int parts1Size);
void checkHelloParts34(int parts123Size);
void checkHelloDigest();
void readData();
[[nodiscard]] bool checkNextPacket();
void shiftIncomingBy(int amount);
const bytes::vector _secret;
QTcpSocket _socket;
State _state = State::NotConnected;
QByteArray _incoming;
int _incomingGoodDataOffset = 0;
int _incomingGoodDataLimit = 0;
int16 _serverHelloLength = 0;
};
} // namespace MTP::details