57 lines
1.3 KiB
Erlang
57 lines
1.3 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% File : acl.erl
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%%% Author : Alexey Shchepin <alexey@sevcom.net>
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%%% Purpose :
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%%% Created : 18 Jan 2003 by Alexey Shchepin <alexey@sevcom.net>
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%%% Id : $Id$
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%%%----------------------------------------------------------------------
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-module(acl).
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-author('alexey@sevcom.net').
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-vsn('$Revision$ ').
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-export([start/0, add/2, match_rule/2, match_acl/2]).
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-include("ejabberd.hrl").
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start() ->
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ets:new(acls, [bag, named_table, public]),
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ok.
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add(ACLName, ACLData) ->
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ets:insert(acls, {ACLName, ACLData}).
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match_rule(Rule, JID) ->
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case ejabberd_config:get_global_option({access, Rule}) of
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undefined ->
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deny;
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ACLs ->
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match_acls(ACLs, JID)
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end.
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match_acls([], _) ->
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deny;
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match_acls([{Access, ACL} | ACLs], JID) ->
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case match_acl(ACL, JID) of
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true ->
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Access;
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_ ->
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match_acls(ACLs, JID)
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end.
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match_acl(ACL, JID) ->
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{User, Server, Resource} = jlib:jid_tolower(JID),
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lists:any(fun({_, Spec}) ->
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case Spec of
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all ->
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true;
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{user, U} ->
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(U == User) and (?MYNAME == Server);
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{user, U, S} ->
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(U == User) and (S == Server);
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{server, S} ->
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S == Server
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end
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end, ets:lookup(acls, ACL)).
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