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xmpp.chapril.org-ejabberd/src/mod_disco.erl

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%%%----------------------------------------------------------------------
%%% File : mod_disco.erl
%%% Author : Alexey Shchepin <alexey@sevcom.net>
%%% Purpose :
%%% Created : 1 Jan 2003 by Alexey Shchepin <alex@alex.sevcom.net>
%%% Id : $Id$
%%%----------------------------------------------------------------------
-module(mod_disco).
-author('alexey@sevcom.net').
-vsn('$Revision$ ').
-export([start/0, init/0,
process_local_iq_items/3,
process_local_iq_info/3,
process_sm_iq_items/3,
process_sm_iq_info/3,
register_feature/1]).
-include("ejabberd.hrl").
-define(NS_DISCO_ITEMS, "http://jabber.org/protocol/disco#items").
-define(NS_DISCO_INFO, "http://jabber.org/protocol/disco#info").
-define(EMPTY_INFO_RESULT,
{iq, ID, result, XMLNS, [{xmlelement, "query",
[{"xmlns", ?NS_DISCO_INFO}], []}]}).
start() ->
ejabberd_local:register_iq_handler(?NS_DISCO_ITEMS,
?MODULE, process_local_iq_items),
ejabberd_local:register_iq_handler(?NS_DISCO_INFO,
?MODULE, process_local_iq_info),
ejabberd_sm:register_iq_handler(?NS_DISCO_ITEMS,
?MODULE, process_sm_iq_items),
ejabberd_sm:register_iq_handler(?NS_DISCO_INFO,
?MODULE, process_sm_iq_info),
register_feature("iq"),
register_feature("presence"),
register_feature("presence-invisible"),
ok.
init() ->
ok.
register_feature(Feature) ->
catch ets:new(disco_features, [named_table, ordered_set, public]),
ets:insert(disco_features, {Feature}).
process_local_iq_items(From, To, {iq, ID, Type, XMLNS, SubEl}) ->
case Type of
set ->
{iq, ID, error, XMLNS, [SubEl, {xmlelement, "error",
[{"code", "405"}],
[{xmlcdata, "Not Allowed"}]}]};
get ->
case xml:get_tag_attr_s("node", SubEl) of
"" ->
Domains = [],
{iq, ID, result, XMLNS,
[{xmlelement,
"query",
[{"xmlns", ?NS_DISCO_ITEMS}],
Domains ++
[{xmlelement, "item",
[{"jid", jlib:jid_to_string(To)},
{"name", "Online Users"},
{"node", "online users"}], []},
{xmlelement, "item",
[{"jid", jlib:jid_to_string(To)},
{"name", "All Users"},
{"node", "all users"}], []}]
}]};
"online users" ->
{iq, ID, result, XMLNS,
[{xmlelement, "query", [{"xmlns", ?NS_DISCO_ITEMS}],
get_online_users()
}]};
"all users" ->
{iq, ID, result, XMLNS,
[{xmlelement, "query", [{"xmlns", ?NS_DISCO_ITEMS}],
get_all_users()
}]};
_ ->
{iq, ID, error, XMLNS,
[SubEl, {xmlelement, "error",
[{"code", "501"}],
[{xmlcdata, "Not Implemented"}]}]}
end
end.
process_local_iq_info(From, To, {iq, ID, Type, XMLNS, SubEl}) ->
case Type of
set ->
{iq, ID, error, XMLNS, [SubEl, {xmlelement, "error",
[{"code", "405"}],
[{xmlcdata, "Not Allowed"}]}]};
get ->
case xml:get_tag_attr_s("node", SubEl) of
"" ->
Features = lists:map(fun feature_to_xml/1,
ets:tab2list(disco_features)),
{iq, ID, result, XMLNS, [{xmlelement,
"query",
[{"xmlns", ?NS_DISCO_INFO}],
[{xmlelement, "identity",
[{"category", "service"},
{"type", "jabber"},
{"name", "ejabberd"}], []}] ++
Features
}]};
"online users" -> ?EMPTY_INFO_RESULT;
"all users" -> ?EMPTY_INFO_RESULT;
_ ->
{iq, ID, error, XMLNS,
[SubEl, {xmlelement, "error",
[{"code", "501"}],
[{xmlcdata, "Not Implemented"}]}]}
end
end.
feature_to_xml({Feature}) ->
{xmlelement, "feature", [{"var", Feature}], []}.
get_online_users() ->
case catch ejabberd_sm:dirty_get_sessions_list() of
{'EXIT', Reason} ->
[];
URs ->
lists:map(fun({U, R}) ->
{xmlelement, "item",
[{"jid", U ++ "@" ++ ?MYNAME ++ "/" ++ R},
{"name", U}], []}
end, lists:sort(URs))
end.
get_all_users() ->
case catch ejabberd_auth:dirty_get_registered_users() of
{'EXIT', Reason} ->
[];
Users ->
lists:map(fun(U) ->
{xmlelement, "item",
[{"jid", U ++ "@" ++ ?MYNAME},
{"name", U}], []}
end, lists:sort(Users))
end.
process_sm_iq_items(From, To, {iq, ID, Type, XMLNS, SubEl}) ->
{User, _, _} = To,
case Type of
set ->
{iq, ID, error, XMLNS, [SubEl, {xmlelement, "error",
[{"code", "405"}],
[{xmlcdata, "Not Allowed"}]}]};
get ->
case xml:get_tag_attr_s("node", SubEl) of
"" ->
{iq, ID, result, XMLNS,
[{xmlelement, "query", [{"xmlns", ?NS_DISCO_ITEMS}],
get_user_resources(User)
}]};
_ ->
{iq, ID, error, XMLNS,
[SubEl, {xmlelement, "error",
[{"code", "501"}],
[{xmlcdata, "Not Implemented"}]}]}
end
end.
process_sm_iq_info(From, To, {iq, ID, Type, XMLNS, SubEl}) ->
case Type of
set ->
{iq, ID, error, XMLNS, [SubEl, {xmlelement, "error",
[{"code", "405"}],
[{xmlcdata, "Not Allowed"}]}]};
get ->
case xml:get_tag_attr_s("node", SubEl) of
"" -> ?EMPTY_INFO_RESULT;
_ ->
{iq, ID, error, XMLNS,
[SubEl, {xmlelement, "error",
[{"code", "501"}],
[{xmlcdata, "Not Implemented"}]}]}
end
end.
get_user_resources(User) ->
Rs = ejabberd_sm:get_user_resources(User),
lists:map(fun(R) ->
{xmlelement, "item",
[{"jid", User ++ "@" ++ ?MYNAME ++ "/" ++ R},
{"name", User}], []}
end, lists:sort(Rs)).