// Matrix Construct // // Copyright (C) Matrix Construct Developers, Authors & Contributors // Copyright (C) 2016-2018 Jason Volk // // Permission to use, copy, modify, and/or distribute this software for any // purpose with or without fee is hereby granted, provided that the above // copyright notice and this permission notice is present in all copies. The // full license for this software is available in the LICENSE file. using namespace ircd; mapi::header IRCD_MODULE { "Client 7.4.2.3 :Join" }; m::resource join_resource { "/_matrix/client/r0/join/", { "(7.4.2.3) Join room_id or alias.", resource::DIRECTORY, } }; static m::resource::response _post__join(client &client, const m::resource::request &request, const m::room::id &room_id, const vector_view &server_names); static m::resource::response _post__join(client &client, const m::resource::request &request, const m::room::alias &room_alias, const vector_view &server_names); m::resource::response post__join(client &client, const m::resource::request &request) { if(request.parv.size() < 1) throw http::error { http::MULTIPLE_CHOICES, "/join room_id or room_alias required" }; char idbuf[256]; const auto &id { url::decode(idbuf, request.parv[0]) }; static const size_t server_name_maxarg{16U}; const auto server_name_count { std::min(request.query.count("server_name"), server_name_maxarg) }; string_view server_name[server_name_maxarg]; const unique_mutable_buffer server_name_buf { rfc3986::DOMAIN_BUFSIZE * server_name_count }; const auto server_names { request.query.array(server_name_buf, "server_name", server_name) }; switch(m::sigil(id)) { case m::id::ROOM: return _post__join(client, request, m::room::id{id}, server_names); case m::id::ROOM_ALIAS: return _post__join(client, request, m::room::alias{id}, server_names); default: throw m::UNSUPPORTED { "Cannot join a room using a '%s' MXID", reflect(m::sigil(id)) }; } } m::resource::method method_post { join_resource, "POST", post__join, { method_post.REQUIRES_AUTH | method_post.RATE_LIMITED } }; static m::resource::response _post__join(client &client, const m::resource::request &request, const m::room::alias &room_alias, const vector_view &server_names) { const auto event_id { m::join(room_alias, request.user_id) }; return m::resource::response { client, json::members { { "room_id", m::room_id(room_alias) } } }; } /// This function forwards the join request to the /rooms/{room_id}/join /// module so they can reuse the same code. That's done with the m::join() /// convenience linkage. static m::resource::response _post__join(client &client, const m::resource::request &request, const m::room::id &room_id, const vector_view &server_names) { const m::room room { room_id }; const auto event_id { m::join(room, request.user_id, server_names) }; return m::resource::response { client, json::members { { "room_id", room_id } } }; }