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construct/modules/client/rooms/unban.cc

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// 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.
#include "rooms.h"
using namespace ircd;
resource::response
post__unban(client &client,
const resource::request &request,
const m::room::id &room_id)
{
const m::user::id &user_id
{
unquote(request.at("user_id"))
};
const json::string &reason // non-spec, but wth
{
request["reason"]
};
const m::room room
{
room_id
};
// These items will be checked again during eval for an atomic
// determination of whether this request will go through. However
// we can save a lot of trouble by testing these conditions first
// out here and erroring early; this also warms the cache for eval.
const m::room::power power{room};
if(!power(request.user_id, "ban"))
throw m::ACCESS_DENIED
{
"Your power level (%ld) is not high enough for ban (%ld) so you cannot unban.",
power.level_user(request.user_id),
power.level("ban")
};
if(!room.membership(user_id, "ban"))
throw m::error
{
http::OK, "M_BAD_STATE",
"User %s is not banned from room %s",
string_view{user_id},
string_view{room_id}
};
const auto event_id
{
send(room, request.user_id, "m.room.member", user_id,
{
{ "membership", "leave" },
{ "reason", reason },
})
};
return resource::response
{
client, http::OK, json::members
{
{ "event_id", event_id }
}
};
}