Line data    Source code

       1             : /*
       2             :  *  Copyright (C) 2004-2024 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             : #include "jamidht/conversation_channel_handler.h"
      18             : 
      19             : namespace jami {
      20             : 
      21         678 : ConversationChannelHandler::ConversationChannelHandler(const std::shared_ptr<JamiAccount>& acc,
      22         678 :                                                        dhtnet::ConnectionManager& cm)
      23             :     : ChannelHandlerInterface()
      24         678 :     , account_(acc)
      25         678 :     , connectionManager_(cm)
      26         678 : {}
      27             : 
      28        1356 : ConversationChannelHandler::~ConversationChannelHandler() {}
      29             : 
      30             : void
      31           0 : ConversationChannelHandler::connect(const DeviceId& deviceId,
      32             :                                     const std::string& channelName,
      33             :                                     ConnectCb&& cb,
      34             :                                     const std::string& connectionType,
      35             :                                     bool forceNewConnection)
      36             : {
      37           0 :     connectionManager_.connectDevice(deviceId,
      38           0 :                                      "git://" + deviceId.toString() + "/" + channelName,
      39           0 :                                      std::move(cb));
      40           0 : }
      41             : 
      42             : bool
      43         875 : ConversationChannelHandler::onRequest(const std::shared_ptr<dht::crypto::Certificate>& cert,
      44             :                                       const std::string& name)
      45             : {
      46         875 :     auto acc = account_.lock();
      47         875 :     if (!cert || !cert->issuer || !acc)
      48           0 :         return false;
      49             :     // Pre-check before acceptance. Sometimes, another device can start a conversation
      50             :     // which is still not synced. So, here we decline channel's request in this case
      51             :     // to avoid the other device to want to sync with us if we are not ready.
      52         875 :     auto sep = name.find_last_of('/');
      53         875 :     auto conversationId = name.substr(sep + 1);
      54             : 
      55         875 :     if (auto acc = account_.lock()) {
      56         875 :         if (auto convModule = acc->convModule(true)) {
      57         875 :             auto res = !convModule->isBanned(conversationId, cert->issuer->getId().toString());
      58         875 :             if (!res) {
      59         189 :                 JAMI_WARNING("Received ConversationChannel request for '{}' but user {} is banned", name, cert->issuer->getId().toString());
      60             :             } else {
      61         812 :                 res &= !convModule->isBanned(conversationId, cert->getLongId().toString());
      62         812 :                 if (!res) {
      63           0 :                     JAMI_WARNING("Received ConversationChannel request for '{}' but device {} is banned", name, cert->getLongId().toString());
      64             :                 }
      65             :             }
      66         875 :             return res;
      67             :         } else {
      68           0 :             JAMI_ERROR("Received ConversationChannel request but conversation module is unavailable");
      69             :         }
      70         875 :     }
      71           0 :     return false;
      72         875 : }
      73             : 
      74             : void
      75           0 : ConversationChannelHandler::onReady(const std::shared_ptr<dht::crypto::Certificate>&,
      76             :                                     const std::string&,
      77             :                                     std::shared_ptr<dhtnet::ChannelSocket>)
      78           0 : {}
      79             : 
      80             : } // namespace jami