Line data    Source code

       1             : /*
       2             :  *  Copyright (C) 2004-2025 Savoir-faire Linux Inc.
       3             :  *
       4             :  *  This program is free software: you can redistribute it and/or modify
       5             :  *  it under the terms of the GNU General Public License as published by
       6             :  *  the Free Software Foundation, either version 3 of the License, or
       7             :  *  (at your option) any later version.
       8             :  *
       9             :  *  This program is distributed in the hope that it will be useful,
      10             :  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
      12             :  *  GNU General Public License for more details.
      13             :  *
      14             :  *  You should have received a copy of the GNU General Public License
      15             :  *  along with this program. If not, see <https://www.gnu.org/licenses/>.
      16             :  */
      17             : #pragma once
      18             : 
      19             : #include "jamidht/channel_handler.h"
      20             : #include "jamidht/jamiaccount.h"
      21             : #include <dhtnet/connectionmanager.h>
      22             : 
      23             : namespace jami {
      24             : 
      25             : /**
      26             :  * Manages channels for exchanging messages between peers
      27             :  */
      28             : class MessageChannelHandler : public ChannelHandlerInterface
      29             : {
      30             : public:
      31             :     using OnMessage
      32             :         = std::function<void(const std::shared_ptr<dht::crypto::Certificate>&, std::string&, const std::string&)>;
      33             :     using OnPeerStateChanged = std::function<void(const std::string&, bool)>;
      34             :     MessageChannelHandler(dhtnet::ConnectionManager& cm, OnMessage onMessage, OnPeerStateChanged onPeer);
      35             :     ~MessageChannelHandler();
      36             : 
      37             :     /**
      38             :      * Ask for a new message channel
      39             :      * @param deviceId      The device to connect
      40             :      * @param name          (Unused, generated from deviceId)
      41             :      * @param cb            The callback to call when connected (can be immediate if already connected)
      42             :      * @param connectionType for iOS notifications
      43             :      * @param forceNewConnection If we want a new SIP connection
      44             :      */
      45             :     void connect(const DeviceId& deviceId,
      46             :                  const std::string&,
      47             :                  ConnectCb&& cb,
      48             :                  const std::string& connectionType,
      49             :                  bool forceNewConnection = false) override;
      50             : 
      51             :     std::shared_ptr<dhtnet::ChannelSocket> getChannel(const std::string& peer, const DeviceId& deviceId) const;
      52             :     std::vector<std::shared_ptr<dhtnet::ChannelSocket>> getChannels(const std::string& peer) const;
      53             : 
      54             :     /**
      55             :      * Determine if we accept or not the message request
      56             :      * @param deviceId      Device who asked
      57             :      * @param name          Name asked
      58             :      * @return if the channel is for a valid conversation and device not banned
      59             :      */
      60             :     bool onRequest(const std::shared_ptr<dht::crypto::Certificate>& peer, const std::string& name) override;
      61             : 
      62             :     /**
      63             :      * Launch message process
      64             :      * @param deviceId      Device who asked
      65             :      * @param name          Name asked
      66             :      * @param channel       Channel used to message
      67             :      */
      68             :     void onReady(const std::shared_ptr<dht::crypto::Certificate>& peer,
      69             :                  const std::string& name,
      70             :                  std::shared_ptr<dhtnet::ChannelSocket> channel) override;
      71             : 
      72             :     void closeChannel(const std::string& peer,
      73             :                       const DeviceId& device,
      74             :                       const std::shared_ptr<dhtnet::ChannelSocket>& conn);
      75             : 
      76             :     struct Message
      77             :     {
      78             :         uint64_t id {0};                          /* Message ID */
      79             :         std::string t;                            /* Message type */
      80             :         std::string c;                            /* Message content */
      81             :         std::unique_ptr<ConversationRequest> req; /* Conversation request */
      82       25086 :         MSGPACK_DEFINE_MAP(id, t, c, req)
      83             :     };
      84             : 
      85             :     static bool sendMessage(const std::shared_ptr<dhtnet::ChannelSocket>&, const Message& message);
      86             : 
      87             : private:
      88             :     struct Impl;
      89             :     std::shared_ptr<Impl> pimpl_;
      90             : };
      91             : 
      92             : } // namespace jami