mirror of
https://github.com/matrix-construct/construct
synced 2024-11-27 01:02:46 +01:00
121 lines
2.3 KiB
C++
121 lines
2.3 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.canonical_alias"
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};
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const m::room::id::buf
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alias_room_id
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{
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"alias", ircd::my_host()
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};
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const m::room
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alias_room
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{
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alias_room_id
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};
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void
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_changed_canonical_alias(const m::event &event,
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m::vm::eval &)
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{
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const m::room::alias &alias
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{
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unquote(at<"content"_>(event).at("alias"))
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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 auto event_id
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{
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send(alias_room, m::me.user_id, "ircd.alias", alias, json::strung{event})
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};
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log::info
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{
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m::log, "Changed canonical alias of %s to %s by %s with %s => %s",
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string_view{room_id},
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string_view{alias},
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json::get<"sender"_>(event),
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string_view{event.event_id},
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string_view{event_id}
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};
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}
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const m::hookfn<m::vm::eval &>
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_changed_canonical_alias_hookfn
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{
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_changed_canonical_alias,
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{
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{ "_site", "vm.effect" },
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{ "type", "m.room.canonical_alias" },
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}
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};
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void
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_can_change_canonical_alias(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::room::alias &alias
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{
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unquote(at<"content"_>(event).at("alias"))
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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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bool has_alias{false};
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room.get(std::nothrow, "m.room.aliases", alias.host(), [&alias, &has_alias]
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(const m::event &event)
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{
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const json::array &aliases
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{
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json::get<"content"_>(event).at("aliases")
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};
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for(auto it(begin(aliases)); it != end(aliases) && !has_alias; ++it)
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if(unquote(*it) == alias)
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has_alias = true;
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});
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if(!has_alias)
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throw m::ACCESS_DENIED
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{
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"Cannot set canonical alias '%s' because it is not an alias in '%s'",
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string_view{alias},
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string_view{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_change_canonical_alias_hookfn
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{
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_can_change_canonical_alias,
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{
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{ "_site", "vm.eval" },
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{ "type", "m.room.canonical_alias" },
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}
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};
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