Line data    Source code

       1              : /*
       2              :  *  Copyright (C) 2004-2026 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/ydoc_channel_handler.h"
      18              : 
      19              : #include "jamidht/collaborative_editing.h"
      20              : 
      21              : namespace jami {
      22              : 
      23              : /// The document id a "ydoc://<device>/<documentId>" channel name carries.
      24              : static std::string_view
      25           23 : documentIdOf(std::string_view name)
      26              : {
      27           23 :     auto sep = name.find_last_of('/');
      28           23 :     return sep != std::string_view::npos ? name.substr(sep + 1) : std::string_view {};
      29              : }
      30              : 
      31          721 : YdocChannelHandler::YdocChannelHandler(const std::shared_ptr<JamiAccount>& acc, dhtnet::ConnectionManager& cm)
      32              :     : ChannelHandlerInterface()
      33          721 :     , account_(acc)
      34          721 :     , connectionManager_(cm)
      35          721 : {}
      36              : 
      37         1442 : YdocChannelHandler::~YdocChannelHandler() {}
      38              : 
      39              : void
      40           20 : YdocChannelHandler::connect(const DeviceId& deviceId,
      41              :                             const std::string& name,
      42              :                             ConnectCb&& cb,
      43              :                             const std::string& /*connectionType*/,
      44              :                             bool /*forceNewConnection*/)
      45              : {
      46           20 :     auto channelName = "ydoc://" + deviceId.toString() + "/" + name;
      47           20 :     if (connectionManager_.isConnecting(deviceId, channelName)) {
      48            0 :         JAMI_LOG("Already connecting to {} for document {}", deviceId, name);
      49            0 :         return;
      50              :     }
      51           20 :     connectionManager_.connectDevice(deviceId, channelName, std::move(cb));
      52           40 : }
      53              : 
      54              : bool
      55           17 : YdocChannelHandler::onRequest(const std::shared_ptr<dht::crypto::Certificate>& cert, const std::string& name)
      56              : {
      57           17 :     auto acc = account_.lock();
      58           17 :     if (!cert || !cert->issuer || !acc)
      59            0 :         return false;
      60           17 :     const auto documentId = documentIdOf(name);
      61           17 :     if (documentId.empty())
      62            0 :         return false;
      63           68 :     return acc->collaborativeEditing()->acceptsRealtimeChannel(std::string(documentId),
      64           34 :                                                                cert->issuer->getId().toString(),
      65           51 :                                                                cert->getLongId().toString());
      66           17 : }
      67              : 
      68              : void
      69            6 : YdocChannelHandler::onReady(const std::shared_ptr<dht::crypto::Certificate>& cert,
      70              :                             const std::string& name,
      71              :                             std::shared_ptr<dhtnet::ChannelSocket> channel)
      72              : {
      73            6 :     auto acc = account_.lock();
      74            6 :     if (!cert || !cert->issuer || !acc || !channel)
      75            0 :         return;
      76            6 :     const auto documentId = documentIdOf(name);
      77            6 :     if (documentId.empty()) {
      78            0 :         channel->shutdown();
      79            0 :         return;
      80              :     }
      81           24 :     acc->collaborativeEditing()->onRealtimeChannel(std::string(documentId),
      82           12 :                                                    cert->issuer->getId().toString(),
      83           12 :                                                    cert->getLongId().toString(),
      84            6 :                                                    std::move(channel));
      85            6 : }
      86              : 
      87              : } // namespace jami