mirror of
https://github.com/matrix-construct/construct
synced 2024-11-30 02:32:43 +01:00
126 lines
2.4 KiB
C++
126 lines
2.4 KiB
C++
// Matrix Construct
|
|
//
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice is present in all copies. The
|
|
// full license for this software is available in the LICENSE file.
|
|
|
|
namespace ircd::m
|
|
{
|
|
static void changed_canonical_alias(const event &, vm::eval &);
|
|
|
|
extern const room alias_room;
|
|
extern const room::id::buf alias_room_id;
|
|
extern const hookfn<vm::eval &> changed_canonical_alias_hookfn;
|
|
}
|
|
|
|
ircd::mapi::header
|
|
IRCD_MODULE
|
|
{
|
|
"Matrix m.room.canonical_alias"
|
|
};
|
|
|
|
decltype(ircd::m::alias_room_id)
|
|
ircd::m::alias_room_id
|
|
{
|
|
"alias", ircd::my_host()
|
|
};
|
|
|
|
decltype(ircd::m::alias_room)
|
|
ircd::m::alias_room
|
|
{
|
|
alias_room_id
|
|
};
|
|
|
|
decltype(ircd::m::changed_canonical_alias_hookfn)
|
|
ircd::m::changed_canonical_alias_hookfn
|
|
{
|
|
changed_canonical_alias,
|
|
{
|
|
{ "_site", "vm.effect" },
|
|
{ "type", "m.room.canonical_alias" },
|
|
}
|
|
};
|
|
|
|
void
|
|
ircd::m::changed_canonical_alias(const event &event,
|
|
vm::eval &)
|
|
{
|
|
const room::id &room_id
|
|
{
|
|
at<"room_id"_>(event)
|
|
};
|
|
|
|
const m::room room
|
|
{
|
|
room_id, event.event_id
|
|
};
|
|
|
|
const json::object &content
|
|
{
|
|
at<"content"_>(event)
|
|
};
|
|
|
|
const json::string &content_alias
|
|
{
|
|
content.get("alias")
|
|
};
|
|
|
|
const room::alias &alias
|
|
{
|
|
!empty(content_alias)?
|
|
m::room::alias{content_alias}:
|
|
m::room::alias{}
|
|
};
|
|
|
|
if(alias)
|
|
{
|
|
if(m::room::aliases::cache::has(alias))
|
|
return;
|
|
|
|
m::room::aliases::cache::set(alias, room_id);
|
|
log::info
|
|
{
|
|
m::log, "Canonical alias %s for %s added by %s",
|
|
string_view{alias},
|
|
string_view{room_id},
|
|
json::get<"sender"_>(event),
|
|
};
|
|
|
|
return;
|
|
}
|
|
|
|
const auto present_event_idx
|
|
{
|
|
room.get(std::nothrow, "m.room.canonical_alias", "")
|
|
};
|
|
|
|
if(!present_event_idx)
|
|
return;
|
|
|
|
const auto prev_state_idx
|
|
{
|
|
m::room::state::prev(present_event_idx)
|
|
};
|
|
|
|
m::get(std::nothrow, prev_state_idx, "content", [&room_id, &event]
|
|
(const json::object &content)
|
|
{
|
|
const json::string &alias
|
|
{
|
|
content["alias"]
|
|
};
|
|
|
|
m::room::aliases::cache::del(alias);
|
|
log::info
|
|
{
|
|
m::log, "Canonical alias of %s removed by %s was %s",
|
|
string_view{room_id},
|
|
json::get<"sender"_>(event),
|
|
string_view{alias},
|
|
};
|
|
});
|
|
}
|