mirror of
https://github.com/matrix-construct/construct
synced 2024-08-26 03:15:17 +02:00
186 lines
3 KiB
C++
186 lines
3 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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using namespace ircd;
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mapi::header
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IRCD_MODULE
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{
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"Federation :Request a prototype for creating a join event."
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};
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const string_view
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make_join_description
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{R"(
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Sends a partial event to the remote with enough information for them to
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create a join event 'in the blind' for one of their users.
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)"};
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resource
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make_join_resource
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{
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"/_matrix/federation/v1/make_join/",
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{
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make_join_description,
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resource::DIRECTORY
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}
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};
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resource::response
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get__make_join(client &client,
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const resource::request &request)
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{
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if(request.parv.size() < 1)
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throw m::NEED_MORE_PARAMS
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{
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"room_id path parameter required"
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};
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m::room::id::buf room_id
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{
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url::decode(room_id, request.parv[0])
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};
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if(request.parv.size() < 2)
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throw m::NEED_MORE_PARAMS
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{
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"user_id path parameter required"
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};
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m::user::id::buf user_id
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{
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url::decode(user_id, request.parv[1])
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};
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if(user_id.host() != request.node_id.host())
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throw m::ACCESS_DENIED
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{
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"You are not permitted to spoof users on other hosts."
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};
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const m::room room
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{
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room_id
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};
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if(!exists(room))
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throw m::NOT_FOUND
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{
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"Room %s is not known here.",
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string_view{room_id}
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};
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if(!room.visible(user_id))
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throw m::ACCESS_DENIED
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{
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"You are not permitted to view the room at this event."
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};
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const unique_buffer<mutable_buffer> buf
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{
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8_KiB
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};
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json::stack out{buf};
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json::stack::object top{out};
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json::stack::object event
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{
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top, "event"
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};
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{
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const m::room::auth auth{room};
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json::stack::array auth_events
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{
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event, "auth_events"
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};
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static const string_view types[]
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{
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"m.room.create",
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"m.room.join_rules",
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"m.room.power_levels",
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"m.room.member",
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};
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auth.make_refs(auth_events, types, user_id);
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}
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json::stack::member
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{
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event, "content", R"({"membership":"join"})"
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};
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json::stack::member
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{
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event, "depth", json::value(m::depth(room) + 1L)
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};
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json::stack::member
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{
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event, "origin", request.origin
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};
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json::stack::member
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{
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event, "origin_server_ts", json::value(time<milliseconds>())
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};
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{
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const m::room::head head{room};
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json::stack::array prev_events
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{
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event, "prev_events"
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};
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head.make_refs(prev_events, 32, true);
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}
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json::stack::member
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{
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event, "room_id", room.room_id
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};
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json::stack::member
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{
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event, "sender", user_id
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};
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json::stack::member
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{
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event, "state_key", user_id
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};
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json::stack::member
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{
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event, "type", "m.room.member"
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};
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event.~object();
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top.~object();
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return resource::response
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{
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client, json::object
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{
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out.completed()
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}
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};
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}
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resource::method
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method_get
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{
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make_join_resource, "GET", get__make_join,
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{
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method_get.VERIFY_ORIGIN
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}
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};
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