mirror of
https://github.com/matrix-construct/construct
synced 2024-10-31 19:08:59 +01:00
166 lines
3.5 KiB
C++
166 lines
3.5 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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namespace ircd::m
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{
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extern const room::id::buf alias_room_id;
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extern const room alias_room;
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static void auth_room_aliases(const event &, room::auth::hookdata &);
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extern hookfn<room::auth::hookdata &> auth_room_aliases_hookfn;
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static void changed_room_aliases(const event &, vm::eval &);
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extern hookfn<vm::eval &> changed_room_aliases_hookfn;
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extern hookfn<m::vm::eval &> create_alias_room_hookfn;
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}
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ircd::mapi::header
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IRCD_MODULE
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{
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"Matrix m.room.aliases"
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};
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//
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// create the alias room as an effect of !ircd created on bootstrap
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//
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decltype(ircd::m::create_alias_room_hookfn)
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ircd::m::create_alias_room_hookfn
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{
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{
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{ "_site", "vm.effect" },
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{ "room_id", "!ircd" },
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{ "type", "m.room.create" },
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},
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[](const m::event &event, m::vm::eval &)
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{
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auto &my
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{
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m::my(at<"origin"_>(event))
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};
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const m::room::id::buf alias_room_id
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{
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"alias", origin(my)
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};
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create(alias_room_id, my.self);
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}
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};
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//
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// an effect of room aliases changed
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//
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decltype(ircd::m::changed_room_aliases_hookfn)
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ircd::m::changed_room_aliases_hookfn
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{
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changed_room_aliases,
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{
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{ "_site", "vm.effect" },
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{ "type", "m.room.aliases" },
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}
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};
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void
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ircd::m::changed_room_aliases(const m::event &event,
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m::vm::eval &)
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try
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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 json::array &aliases
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{
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at<"content"_>(event).get("aliases")
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};
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for(const json::string alias : aliases) try
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{
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m::room::aliases::cache::set(alias, room_id);
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log::info
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{
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m::log, "Updated aliases of %s by %s in %s with %s",
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string_view{room_id},
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json::get<"sender"_>(event),
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string_view{event.event_id},
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string_view{alias},
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};
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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, "Updating aliases of %s by %s in %s with %s :%s",
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string_view{room_id},
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json::get<"sender"_>(event),
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string_view{event.event_id},
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string_view{alias},
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e.what(),
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};
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}
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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, "Updating aliases of %s by %s in %s :%s",
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json::get<"room_id"_>(event),
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json::get<"sender"_>(event),
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string_view{event.event_id},
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e.what(),
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};
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}
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//
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// auth handler
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//
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decltype(ircd::m::auth_room_aliases_hookfn)
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ircd::m::auth_room_aliases_hookfn
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{
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auth_room_aliases,
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{
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{ "_site", "room.auth" },
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{ "type", "m.room.aliases" },
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}
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};
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void
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ircd::m::auth_room_aliases(const event &event,
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room::auth::hookdata &data)
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{
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using FAIL = m::room::auth::FAIL;
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using conforms = m::event::conforms;
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// 4. If type is m.room.aliases:
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assert(json::get<"type"_>(event) == "m.room.aliases");
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// a. If event has no state_key, reject.
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if(empty(json::get<"state_key"_>(event)))
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throw FAIL
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{
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"m.room.aliases event is missing a state_key."
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};
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// b. If sender's domain doesn't matches state_key, reject.
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if(json::get<"state_key"_>(event) != m::user::id(json::get<"sender"_>(event)).host())
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throw FAIL
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{
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"m.room.aliases event state_key is not the sender's domain."
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};
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// c. Otherwise, allow
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data.allow = true;
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}
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