%%%----------------------------------------------------------------------
%%% File    : ejabberd_auth.erl
%%% Author  : Alexey Shchepin <alexey@sevcom.net>
%%% Purpose : Authentification
%%% Created : 23 Nov 2002 by Alexey Shchepin <alexey@sevcom.net>
%%% Id      : $Id$
%%%----------------------------------------------------------------------

-module(ejabberd_auth).
-author('alexey@sevcom.net').
-vsn('$Revision$ ').

%% External exports
-export([start/0,
	 set_password/3,
	 check_password/3,
	 check_password/5,
	 try_register/3,
	 dirty_get_registered_users/0,
	 get_vh_registered_users/1,
	 get_password/2,
	 get_password_s/2,
	 is_user_exists/2,
	 remove_user/2,
	 remove_user/3,
	 plain_password_required/1
	]).

-include("ejabberd.hrl").

%%%----------------------------------------------------------------------
%%% API
%%%----------------------------------------------------------------------
start() ->
    lists:foreach(fun(Host) ->
			  (auth_module(Host)):start(Host)
		  end, ?MYHOSTS).

plain_password_required(Server) ->
    (auth_module(Server)):plain_password_required().

check_password(User, Server, Password) ->
    (auth_module(Server)):check_password(User, Server, Password).

check_password(User, Server, Password, StreamID, Digest) ->
    (auth_module(Server)):check_password(User, Server, Password, StreamID, Digest).

set_password(User, Server, Password) ->
    (auth_module(Server)):set_password(User, Server, Password).

try_register(User, Server, Password) ->
    case lists:member(jlib:nameprep(Server), ?MYHOSTS) of
	true ->
	    (auth_module(Server)):try_register(User, Server, Password);
	false ->
	    {error, not_allowed}
    end.

dirty_get_registered_users() ->
    (auth_module(?MYNAME)):dirty_get_registered_users().

get_vh_registered_users(Server) ->
    (auth_module(Server)):get_vh_registered_users(Server).

get_password(User, Server) ->
    (auth_module(Server)):get_password(User, Server).

get_password_s(User, Server) ->
    (auth_module(Server)):get_password_s(User, Server).

is_user_exists(User, Server) ->
    (auth_module(Server)):is_user_exists(User, Server).

remove_user(User, Server) ->
    (auth_module(Server)):remove_user(User, Server).

remove_user(User, Server, Password) ->
    (auth_module(Server)):remove_user(User, Server, Password).

%%%----------------------------------------------------------------------
%%% Internal functions
%%%----------------------------------------------------------------------

auth_module(Server) ->
    LServer = jlib:nameprep(Server),
    Method = ejabberd_config:get_local_option({auth_method, LServer}),
    list_to_atom("ejabberd_auth_" ++ atom_to_list(Method)).