mirror of
https://github.com/processone/ejabberd.git
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53 lines
2.0 KiB
Erlang
53 lines
2.0 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% File : cyrsasl_anonymous.erl
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%%% Author : Magnus Henoch <henoch@dtek.chalmers.se>
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%%% Purpose : ANONYMOUS SASL mechanism
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%%% See http://www.ietf.org/internet-drafts/draft-ietf-sasl-anon-05.txt
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%%% Created : 23 Aug 2005 by Magnus Henoch <henoch@dtek.chalmers.se>
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%%%
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%%%
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%%% ejabberd, Copyright (C) 2002-2016 ProcessOne
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%%%
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%%% This program is free software; you can redistribute it and/or
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%%% modify it under the terms of the GNU General Public License as
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%%% published by the Free Software Foundation; either version 2 of the
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%%% License, or (at your option) any later version.
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%%%
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%%% This program is distributed in the hope that it will be useful,
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%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
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%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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%%% General Public License for more details.
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%%%
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%%% You should have received a copy of the GNU General Public License along
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%%% with this program; if not, write to the Free Software Foundation, Inc.,
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%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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%%%
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%%%----------------------------------------------------------------------
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-module(cyrsasl_anonymous).
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-protocol({xep, 175, '1.2'}).
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-export([start/1, stop/0, mech_new/4, mech_step/2]).
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-behaviour(cyrsasl).
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-record(state, {server = <<"">> :: binary()}).
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start(_Opts) ->
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cyrsasl:register_mechanism(<<"ANONYMOUS">>, ?MODULE, plain),
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ok.
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stop() -> ok.
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mech_new(Host, _GetPassword, _CheckPassword, _CheckPasswordDigest) ->
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{ok, #state{server = Host}}.
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mech_step(#state{server = Server} = S, ClientIn) ->
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User = iolist_to_binary([randoms:get_string(),
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jlib:integer_to_binary(p1_time_compat:unique_integer([positive]))]),
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case ejabberd_auth:is_user_exists(User, Server) of
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true -> mech_step(S, ClientIn);
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false -> {ok, [{username, User}, {authzid, User}, {auth_module, ejabberd_auth_anonymous}]}
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end.
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