mirror of
https://github.com/matrix-construct/construct
synced 2024-08-27 11:55:17 +02:00
223 lines
4.3 KiB
C++
223 lines
4.3 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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"Matrix m.room.member"
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};
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static void
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_can_join_room(const m::event &event,
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m::vm::eval &eval)
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{
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const m::room room
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{
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at<"room_id"_>(event) //TODO: state at prev/auth whatever
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};
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const m::user::id &sender
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{
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at<"sender"_>(event)
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};
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// Fetch the user's membership from the room's state.
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char membership_buf[32];
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const string_view membership
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{
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room.membership(membership_buf, sender)
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};
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// If the user is already in the "join" state no further checks here.
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if(membership == "join")
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return;
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// If the user is in the "ban" state here no further checks either.
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if(membership == "ban")
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throw m::FORBIDDEN
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{
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"%s is banned from room %s",
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string_view{sender},
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string_view{room.room_id}
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};
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// Fetch the join_rules from the room's state.
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char join_rule_buf[32];
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const string_view join_rule
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{
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room.join_rule(mutable_buffer(join_rule_buf))
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};
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// If the room is "public" no further checks here.
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if(join_rule == "public")
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return;
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if(join_rule != "invite")
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log::dwarning
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{
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m::log, "Unsupported join_rule '%s' for room %s. Defaulting to 'invite'.",
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join_rule,
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string_view{room.room_id}
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};
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// The room is "invite" and the user is invited; no further checks here.
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if(membership == "invite")
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return;
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// The room is invite and the user is not in the room, either in "leave"
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// state or no membership state (!membership).
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if(membership && membership != "leave")
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log::dwarning
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{
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m::log, "Unsupported membership state '%s' for %s in room %s.",
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membership,
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string_view{sender},
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string_view{room.room_id}
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};
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const m::room::power power
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{
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room
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};
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// The user has power to manipulate an m.room.member state event; note
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// this branch will accept a room creator joining the room right after
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// creation when no power_levels, join_rules, etc exist yet.
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if(power(sender, "events", "m.room.member", sender))
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return;
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throw m::FORBIDDEN
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{
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"%s cannot join room %s",
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string_view{sender},
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string_view{room.room_id}
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};
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}
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const m::hookfn<m::vm::eval &>
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_can_join_room_hookfn
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{
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{
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{ "_site", "vm.eval" },
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{ "type", "m.room.member" },
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{ "membership", "join" },
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},
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_can_join_room
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};
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static void
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affect_user_room(const m::event &event,
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m::vm::eval &eval)
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{
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const auto &room_id
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{
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at<"room_id"_>(event)
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};
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const auto &sender
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{
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at<"sender"_>(event)
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};
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const m::user::id &subject
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{
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at<"state_key"_>(event)
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};
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//TODO: ABA / TXN
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if(!exists(subject))
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create(subject);
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//TODO: ABA / TXN
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m::user::room user_room{subject};
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send(user_room, sender, "ircd.member", room_id, at<"content"_>(event));
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}
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const m::hookfn<m::vm::eval &>
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affect_user_room_hookfn
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{
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{
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{ "_site", "vm.effect" },
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{ "type", "m.room.member" },
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},
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affect_user_room
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};
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static void
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_join_room(const m::event &event,
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m::vm::eval &eval)
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{
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}
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const m::hookfn<m::vm::eval &>
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_join_room_hookfn
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{
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{
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{ "_site", "vm.effect" },
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{ "type", "m.room.member" },
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{ "membership", "join" },
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},
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_join_room
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};
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using invite_foreign_proto = m::event::id::buf (const m::event &);
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mods::import<invite_foreign_proto>
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invite__foreign
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{
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"client_rooms", "invite__foreign"
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};
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static void
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invite_foreign(const m::event &event,
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m::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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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__foreign(event)
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};
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}
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const m::hookfn<m::vm::eval &>
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invite_foreign_hookfn
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{
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{
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{ "_site", "vm.commit" },
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{ "type", "m.room.member" },
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{ "membership", "invite" },
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},
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invite_foreign
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};
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