mirror of
https://github.com/processone/ejabberd.git
synced 2024-12-10 16:58:46 +01:00
374446f847
SVN Revision: 307
240 lines
5.7 KiB
Erlang
240 lines
5.7 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% File : ejabberd_auth_internal.erl
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%%% Author : Alexey Shchepin <alexey@sevcom.net>
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%%% Purpose : Authentification via mnesia
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%%% Created : 12 Dec 2004 by Alexey Shchepin <alexey@sevcom.net>
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%%% Id : $Id$
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%%%----------------------------------------------------------------------
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-module(ejabberd_auth_internal).
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-author('alexey@sevcom.net').
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-vsn('$Revision$ ').
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%% External exports
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-export([start/0,
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set_password/3,
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check_password/3,
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check_password/5,
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try_register/3,
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dirty_get_registered_users/0,
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get_vh_registered_users/1,
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get_password/2,
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get_password_s/2,
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is_user_exists/2,
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remove_user/2,
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remove_user/3,
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plain_password_required/0
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]).
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-include("ejabberd.hrl").
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-record(passwd, {us, password}).
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%%%----------------------------------------------------------------------
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%%% API
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%%%----------------------------------------------------------------------
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start() ->
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mnesia:create_table(passwd, [{disc_copies, [node()]},
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{attributes, record_info(fields, passwd)}]),
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update_table(),
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ok.
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plain_password_required() ->
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false.
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check_password(User, Server, Password) ->
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LUser = jlib:nodeprep(User),
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LServer = jlib:nameprep(Server),
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US = {LUser, LServer},
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case catch mnesia:dirty_read({passwd, US}) of
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[#passwd{password = Password}] ->
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true;
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_ ->
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false
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end.
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check_password(User, Server, Password, StreamID, Digest) ->
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LUser = jlib:nodeprep(User),
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LServer = jlib:nameprep(Server),
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US = {LUser, LServer},
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case catch mnesia:dirty_read({passwd, US}) of
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[#passwd{password = Passwd}] ->
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DigRes = if
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Digest /= "" ->
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Digest == sha:sha(StreamID ++ Passwd);
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true ->
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false
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end,
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if DigRes ->
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true;
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true ->
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(Passwd == Password) and (Password /= "")
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end;
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_ ->
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false
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end.
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set_password(User, Server, Password) ->
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LUser = jlib:nodeprep(User),
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LServer = jlib:nameprep(Server),
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US = {LUser, LServer},
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if
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(LUser == error) or (LServer == error) ->
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{error, invalid_jid};
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true ->
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F = fun() ->
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mnesia:write(#passwd{us = US,
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password = Password})
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end,
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mnesia:transaction(F)
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end.
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try_register(User, Server, Password) ->
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LUser = jlib:nodeprep(User),
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LServer = jlib:nameprep(Server),
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US = {LUser, LServer},
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if
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(LUser == error) or (LServer == error) ->
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{error, invalid_jid};
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true ->
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F = fun() ->
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case mnesia:read({passwd, US}) of
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[] ->
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mnesia:write(#passwd{us = US,
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password = Password}),
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ok;
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[_E] ->
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exists
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end
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end,
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mnesia:transaction(F)
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end.
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dirty_get_registered_users() ->
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mnesia:dirty_all_keys(passwd).
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get_vh_registered_users(Server) ->
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LServer = jlib:nameprep(Server),
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mnesia:dirty_select(
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passwd,
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[{#passwd{us = '$1', _ = '_'},
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[{'==', {element, 2, '$1'}, LServer}],
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['$1']}]).
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get_password(User, Server) ->
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LUser = jlib:nodeprep(User),
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LServer = jlib:nameprep(Server),
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US = {LUser, LServer},
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case catch mnesia:dirty_read(passwd, US) of
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[#passwd{password = Password}] ->
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Password;
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_ ->
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false
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end.
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get_password_s(User, Server) ->
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LUser = jlib:nodeprep(User),
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LServer = jlib:nameprep(Server),
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US = {LUser, LServer},
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case catch mnesia:dirty_read(passwd, US) of
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[#passwd{password = Password}] ->
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Password;
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_ ->
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[]
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end.
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is_user_exists(User, Server) ->
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LUser = jlib:nodeprep(User),
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LServer = jlib:nameprep(Server),
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US = {LUser, LServer},
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case catch mnesia:dirty_read({passwd, US}) of
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[] ->
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false;
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[_] ->
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true;
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_ ->
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false
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end.
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remove_user(User, Server) ->
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LUser = jlib:nodeprep(User),
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LServer = jlib:nameprep(Server),
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US = {LUser, LServer},
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F = fun() ->
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mnesia:delete({passwd, US})
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end,
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mnesia:transaction(F),
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ejabberd_hooks:run(remove_user, [User, Server]).
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remove_user(User, Server, Password) ->
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LUser = jlib:nodeprep(User),
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LServer = jlib:nameprep(Server),
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US = {LUser, LServer},
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F = fun() ->
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case mnesia:read({passwd, US}) of
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[#passwd{password = Password}] ->
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mnesia:delete({passwd, US}),
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ok;
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[_] ->
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not_allowed;
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_ ->
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not_exists
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end
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end,
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case mnesia:transaction(F) of
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{atomic, ok} ->
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ejabberd_hooks:run(remove_user, [User, Server]),
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ok;
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{atomic, Res} ->
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Res;
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_ ->
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bad_request
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end.
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update_table() ->
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Fields = record_info(fields, passwd),
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case mnesia:table_info(passwd, attributes) of
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Fields ->
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ok;
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[user, password] ->
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?INFO_MSG("Converting passwd table from "
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"{user, password} format", []),
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Host = ?MYNAME,
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{atomic, ok} = mnesia:create_table(
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ejabberd_auth_internal_tmp_table,
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[{disc_only_copies, [node()]},
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{type, bag},
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{local_content, true},
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{record_name, passwd},
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{attributes, record_info(fields, passwd)}]),
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mnesia:transform_table(passwd, ignore, Fields),
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F1 = fun() ->
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mnesia:write_lock_table(ejabberd_auth_internal_tmp_table),
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mnesia:foldl(
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fun(#passwd{us = U} = R, _) ->
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mnesia:dirty_write(
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ejabberd_auth_internal_tmp_table,
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R#passwd{us = {U, Host}})
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end, ok, passwd)
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end,
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mnesia:transaction(F1),
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mnesia:clear_table(passwd),
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F2 = fun() ->
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mnesia:write_lock_table(passwd),
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mnesia:foldl(
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fun(R, _) ->
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mnesia:dirty_write(R)
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end, ok, ejabberd_auth_internal_tmp_table)
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end,
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mnesia:transaction(F2),
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mnesia:delete_table(ejabberd_auth_internal_tmp_table);
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_ ->
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?INFO_MSG("Recreating passwd table", []),
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mnesia:transform_table(passwd, ignore, Fields)
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end.
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