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|
%%%----------------------------------------------------------------------
%%% File : ejabberd_auth_odbc.erl
%%% Author : Alexey Shchepin <alexey@sevcom.net>
%%% Purpose : Authentification via ODBC
%%% Created : 12 Dec 2004 by Alexey Shchepin <alexey@sevcom.net>
%%% Id : $Id$
%%%----------------------------------------------------------------------
-module(ejabberd_auth_odbc).
-author('alexey@sevcom.net').
-vsn('$Revision$ ').
%% External exports
-export([start/1,
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/0
]).
-include("ejabberd.hrl").
-record(passwd, {user, password}).
%%%----------------------------------------------------------------------
%%% API
%%%----------------------------------------------------------------------
start(Host) ->
ejabberd_ctl:register_commands(
Host,
[{"registered-users", "list all registered users"}],
ejabberd_auth, ctl_process_get_registered),
ok.
plain_password_required() ->
false.
check_password(User, Server, Password) ->
case jlib:nodeprep(User) of
error ->
false;
LUser ->
Username = ejabberd_odbc:escape(LUser),
LServer = jlib:nameprep(Server),
case catch odbc_queries:get_password(LServer, Username) of
{selected, ["password"], [{Password}]} ->
true;
_ ->
false
end
end.
check_password(User, Server, Password, StreamID, Digest) ->
case jlib:nodeprep(User) of
error ->
false;
LUser ->
Username = ejabberd_odbc:escape(LUser),
LServer = jlib:nameprep(Server),
case catch odbc_queries:get_password(LServer, Username) of
{selected, ["password"], [{Passwd}]} ->
DigRes = if
Digest /= "" ->
Digest == sha:sha(StreamID ++ Passwd);
true ->
false
end,
if DigRes ->
true;
true ->
(Passwd == Password) and (Password /= "")
end;
_ ->
false
end
end.
set_password(User, Server, Password) ->
case jlib:nodeprep(User) of
error ->
{error, invalid_jid};
LUser ->
Username = ejabberd_odbc:escape(LUser),
Pass = ejabberd_odbc:escape(Password),
LServer = jlib:nameprep(Server),
catch odbc_queries:set_password_t(LServer, Username, Pass)
end.
try_register(User, Server, Password) ->
case jlib:nodeprep(User) of
error ->
{error, invalid_jid};
LUser ->
Username = ejabberd_odbc:escape(LUser),
Pass = ejabberd_odbc:escape(Password),
LServer = jlib:nameprep(Server),
case catch odbc_queries:add_user(LServer, Username, Pass) of
{updated, 1} ->
{atomic, ok};
_ ->
{atomic, exists}
end
end.
dirty_get_registered_users() ->
get_vh_registered_users(?MYNAME).
get_vh_registered_users(Server) ->
LServer = jlib:nameprep(Server),
case catch odbc_queries:list_users(LServer) of
{selected, ["username"], Res} ->
[{U, LServer} || {U} <- Res];
_ ->
[]
end.
get_password(User, Server) ->
case jlib:nodeprep(User) of
error ->
false;
LUser ->
Username = ejabberd_odbc:escape(LUser),
LServer = jlib:nameprep(Server),
case catch odbc_queries:get_password(LServer, Username) of
{selected, ["password"], [{Password}]} ->
Password;
_ ->
false
end
end.
get_password_s(User, Server) ->
case jlib:nodeprep(User) of
error ->
"";
LUser ->
Username = ejabberd_odbc:escape(LUser),
LServer = jlib:nameprep(Server),
case catch odbc_queries:get_password(LServer, Username) of
{selected, ["password"], [{Password}]} ->
Password;
_ ->
""
end
end.
is_user_exists(User, Server) ->
case jlib:nodeprep(User) of
error ->
false;
LUser ->
Username = ejabberd_odbc:escape(LUser),
LServer = jlib:nameprep(Server),
case catch odbc_queries:get_password(LServer, Username) of
{selected, ["password"], [{_Password}]} ->
true;
_ ->
false
end
end.
remove_user(User, Server) ->
case jlib:nodeprep(User) of
error ->
error;
LUser ->
Username = ejabberd_odbc:escape(LUser),
LServer = jlib:nameprep(Server),
catch odbc_queries:del_user(LServer, Username),
ejabberd_hooks:run(remove_user, jlib:nameprep(Server),
[User, Server])
end.
remove_user(User, Server, Password) ->
case jlib:nodeprep(User) of
error ->
error;
LUser ->
Username = ejabberd_odbc:escape(LUser),
Pass = ejabberd_odbc:escape(Password),
LServer = jlib:nameprep(Server),
F = fun() ->
Result = odbc_queries:del_user_return_password(
LServer, Username, Pass),
case Result of
{selected, ["password"], [{Password}]} ->
ejabberd_hooks:run(remove_user, jlib:nameprep(Server),
[User, Server]),
ok;
{selected, ["password"], []} ->
not_exists;
_ ->
not_allowed
end
end,
{atomic, Result} = odbc_queries:transaction(LServer, F),
Result
end.
|
