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construct/modules/m_room_create.cc

126 lines
2.6 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.
using namespace ircd;
mapi::header
IRCD_MODULE
{
"Matrix m.room.create"
};
static void
_can_create_room(const m::event &event,
m::vm::eval &eval)
{
const m::event::id &event_id
{
at<"event_id"_>(event)
};
const m::room::id &room_id
{
at<"room_id"_>(event)
};
const m::user::id &sender
{
at<"sender"_>(event)
};
if(room_id.host() != sender.host())
throw m::ACCESS_DENIED
{
"Room on '%s' cannot be created by sender on '%s'",
room_id.host(),
sender.host()
};
if(room_id.host() != event_id.host())
throw m::ACCESS_DENIED
{
"Room on '%s' cannot be created by event from '%s'",
room_id.host(),
event_id.host()
};
if(room_id.host() != at<"origin"_>(event))
throw m::ACCESS_DENIED
{
"Room on '%s' cannot be created by event originating from '%s'",
room_id.host(),
at<"origin"_>(event)
};
const json::object &content
{
at<"content"_>(event)
};
// note: this is a purposely weak check of the content.creator field.
// This server accepts a missing content.creator field entirely because
// it considers the sender of the create event as the room creator.
// Nevertheless if the content.creator field was specified it must match
// the sender or we reject.
if(content.has("creator"))
if(unquote(content.at("creator")) != sender)
throw m::ACCESS_DENIED
{
"Room %s creator must be the sender %s",
string_view{room_id},
string_view{sender}
};
}
const m::hookfn<m::vm::eval &>
_can_create_room_hookfn
{
_can_create_room,
{
{ "_site", "vm.eval" },
{ "type", "m.room.create" },
}
};
static void
_created_room(const m::event &event,
m::vm::eval &)
{
const m::room::id &room_id
{
at<"room_id"_>(event)
};
const string_view &local
{
room_id.localname()
};
if(local != "users") //TODO: circ dep
send(m::my_room, at<"sender"_>(event), "ircd.room", room_id, json::object{});
log::debug
{
m::log, "Creation of room %s by %s (%s)",
string_view{room_id},
at<"sender"_>(event),
at<"event_id"_>(event)
};
}
const m::hookfn<m::vm::eval &>
_created_room_hookfn
{
_created_room,
{
{ "_site", "vm.effect" },
{ "type", "m.room.create" },
}
};