89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include "base/weak_unique_ptr.h"
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#include "mtproto/sender.h"
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namespace tgvoip {
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class VoIPController;
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} // namespace tgvoip
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namespace Calls {
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struct DhConfig {
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int32 version = 0;
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int32 g = 0;
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std::vector<gsl::byte> p;
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};
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class Call : public base::enable_weak_from_this, private MTP::Sender {
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public:
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class Delegate {
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public:
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virtual DhConfig getDhConfig() const = 0;
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virtual void callFinished(gsl::not_null<Call*> call, const MTPPhoneCallDiscardReason &reason) = 0;
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virtual void callFailed(gsl::not_null<Call*> call) = 0;
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};
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static constexpr auto kSaltSize = 256;
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Call(gsl::not_null<Delegate*> instance, gsl::not_null<UserData*> user);
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void startOutgoing(base::const_byte_span random);
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bool handleUpdate(const MTPPhoneCall &call);
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~Call();
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private:
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static constexpr auto kAuthKeySize = 256;
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void generateSalt(base::const_byte_span random);
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void handleControllerStateChange(tgvoip::VoIPController *controller, int state);
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void createAndStartController(const MTPDphoneCall &call);
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void destroyController();
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template <typename Type>
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bool checkCallCommonFields(const Type &call);
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bool checkCallFields(const MTPDphoneCall &call);
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bool checkCallFields(const MTPDphoneCallAccepted &call);
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void confirmAcceptedCall(const MTPDphoneCallAccepted &call);
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void failed();
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DhConfig _dhConfig;
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gsl::not_null<Delegate*> _delegate;
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gsl::not_null<UserData*> _user;
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std::vector<gsl::byte> _g_a;
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std::array<gsl::byte, kSaltSize> _salt;
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std::array<gsl::byte, kAuthKeySize> _authKey;
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uint64 _id = 0;
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uint64 _accessHash = 0;
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uint64 _keyFingerprint = 0;
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std::unique_ptr<tgvoip::VoIPController> _controller;
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};
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} // namespace Calls
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