mirror of
https://github.com/matrix-construct/construct
synced 2024-09-08 01:35:39 +02:00
314 lines
5.5 KiB
C++
314 lines
5.5 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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#include "rooms.h"
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namespace ircd::m
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{
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static event::id::buf invite_remote(const event &);
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static void on_invite_remote(const event &, vm::eval &);
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extern conf::item<seconds> invite_remote_timeout;
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extern hookfn<vm::eval &> invite_remote_hook;
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}
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decltype(ircd::m::invite_remote_timeout)
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ircd::m::invite_remote_timeout
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{
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{ "name", "ircd.client.rooms.invite.remote.timeout" },
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{ "default", 30L },
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};
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decltype(ircd::m::invite_remote_hook)
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ircd::m::invite_remote_hook
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{
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on_invite_remote,
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{
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{ "_site", "vm.issue" },
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{ "type", "m.room.member" },
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{ "membership", "invite" },
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}
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};
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ircd::m::resource::response
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post__invite(ircd::client &client,
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const ircd::m::resource::request &request,
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const ircd::m::room::id &room_id)
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{
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using namespace ircd;
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const m::user::id &target
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{
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unquote(request.at("user_id"))
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};
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const m::user::id &sender
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{
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request.user_id
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};
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const json::string &id_server
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{
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request["id_server"]
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};
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const json::string &id_access_token
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{
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request["id_access_token"]
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};
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const json::string &medium
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{
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request["medium"]
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};
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const json::string &address
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{
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request["address"]
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};
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const auto event_id
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{
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m::invite(room_id, target, sender)
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};
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return m::resource::response
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{
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client, http::OK
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};
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}
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void
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ircd::m::on_invite_remote(const event &event,
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vm::eval &eval)
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{
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const m::room::id &room_id
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{
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at<"room_id"_>(event)
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};
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const m::user::id &target
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{
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at<"state_key"_>(event)
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};
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const auto target_host
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{
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target.host()
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};
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if(m::my_host(target_host))
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return;
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// Host already signed event elsehow.
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for(const auto &[host, sig] : json::get<"signatures"_>(event))
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if(host == target_host)
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return;
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const m::room::origins origins
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{
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room_id
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};
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if(origins.has(target_host))
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return;
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const auto eid
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{
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invite_remote(event)
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};
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log::info
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{
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m::log, "Invite %s to %s by %s completed with %s",
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string_view{target},
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string_view{room_id},
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json::get<"sender"_>(event),
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string_view{eid},
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};
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}
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ircd::m::event::id::buf
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ircd::m::invite_remote(const event &event)
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try
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{
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const auto &event_id
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{
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event.event_id
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};
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const m::room::id &room_id
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{
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at<"room_id"_>(event)
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};
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const m::user::id &target
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{
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at<"state_key"_>(event)
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};
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assert(!my(target));
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const unique_buffer<mutable_buffer> bufs
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{
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148_KiB
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};
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json::stack out{bufs};
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json::stack::object top{out};
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{
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char versionbuf[32];
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json::stack::member room_version
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{
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top, "room_version", json::value
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{
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m::version(versionbuf, room_id, std::nothrow), json::STRING
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}
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};
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}
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{
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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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_event.append(event);
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}
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{
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json::stack::array invite_room_state
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{
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top, "invite_room_state"
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};
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const auto append
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{
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[&invite_room_state](const m::event &event)
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{
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invite_room_state.append(event);
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}
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};
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const m::room::state state
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{
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room_id
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};
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state.get(std::nothrow, "m.room.create", "", append);
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state.get(std::nothrow, "m.room.power_levels", "", append);
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state.get(std::nothrow, "m.room.join_rules", "", append);
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state.get(std::nothrow, "m.room.history_visibility", "", append);
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state.get(std::nothrow, "m.room.aliases", my_host(), append);
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state.get(std::nothrow, "m.room.canonical_alias", "", append);
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state.get(std::nothrow, "m.room.avatar", "", append);
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state.get(std::nothrow, "m.room.name", "", append);
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state.get(std::nothrow, "m.room.member", at<"sender"_>(event), append);
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}
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top.~object();
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const string_view &proto
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{
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out.completed()
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};
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const mutable_buffer buf
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{
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bufs + size(proto)
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};
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m::fed::invite2::opts opts;
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opts.remote = target.host();
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m::fed::invite2 request
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{
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room_id, event_id, proto, buf, std::move(opts)
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};
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log::debug
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{
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m::log, "Sending invite %s to %s",
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string_view{event.event_id},
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target.host(),
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};
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http::code rcode; try
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{
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request.wait(seconds(invite_remote_timeout));
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rcode = request.get();
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}
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catch(const http::error &e)
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{
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log::error
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{
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m::log, "Invite %s to %s :%s :%s",
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string_view{event.event_id},
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target.host(),
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e.what(),
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e.content,
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};
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throw;
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}
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const json::object response
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{
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request
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};
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m::event::id::buf revent_id;
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const m::event &revent
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{
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revent_id, response.at("event")
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};
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if(!verify(revent, target.host()))
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throw m::error
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{
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http::UNAUTHORIZED, "M_INVITE_UNSIGNED",
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"Invitee's host '%s' did not sign the invite.",
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target.host()
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};
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if(!verify(revent, my_host()))
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throw m::error
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{
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http::FORBIDDEN, "M_INVITE_MODIFIED",
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"Invite event no longer verified by our signature."
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};
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log::logf
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{
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m::log, log::level::DEBUG,
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"Invite %s in %s accepted by '%s'",
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string_view{event.event_id},
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string_view{room_id},
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string_view{target.host()},
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};
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m::vm::opts vmopts;
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vmopts.infolog_accept = true;
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vmopts.unique = false;
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m::vm::eval
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{
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revent, vmopts
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};
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return revent_id;
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}
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catch(const std::exception &e)
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{
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log::error
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{
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m::log, "Invite remote %s :%s",
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string_view{event.event_id},
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e.what(),
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};
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throw;
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}
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