80 lines
2.6 KiB
Erlang
80 lines
2.6 KiB
Erlang
%%%-----------------------------------------------------------------------------
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%%% @Copyright (C) 2012-2015, Feng Lee <feng@emqtt.io>
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%%%
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%%% Permission is hereby granted, free of charge, to any person obtaining a copy
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%%% of this software and associated documentation files (the "Software"), to deal
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%%% in the Software without restriction, including without limitation the rights
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%%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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%%% copies of the Software, and to permit persons to whom the Software is
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%%% furnished to do so, subject to the following conditions:
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%%%
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%%% The above copyright notice and this permission notice shall be included in all
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%%% copies or substantial portions of the Software.
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%%%
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%%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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%%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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%%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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%%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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%%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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%%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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%%% SOFTWARE.
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%%%-----------------------------------------------------------------------------
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%%% @doc
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%%% emqttd plugin.
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%%%
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%%% @end
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%%%-----------------------------------------------------------------------------
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-module(emqttd_plugin).
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-author('feng@emqtt.io').
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-behaviour(gen_server).
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-define(SERVER, ?MODULE).
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%% API Function Exports
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-export([start_link/0, allow/3]).
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%% gen_server callbacks
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-export([init/1, handle_call/3, handle_cast/2, handle_info/2,
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terminate/2, code_change/3]).
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%% ------------------------------------------------------------------
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%% API Function Definitions
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%% ------------------------------------------------------------------
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start_link() ->
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gen_server:start_link({local, ?SERVER}, ?MODULE, [], []).
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allow(subscribe, User, Topic) ->
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true;
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allow(publish, User, Topic) ->
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true.
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%% ------------------------------------------------------------------
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%% gen_server Function Definitions
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%% ------------------------------------------------------------------
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init(Args) ->
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{ok, Args}.
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handle_call(_Request, _From, State) ->
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{reply, ok, State}.
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handle_cast(_Msg, State) ->
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{noreply, State}.
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handle_info(_Info, State) ->
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{noreply, State}.
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terminate(_Reason, _State) ->
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ok.
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code_change(_OldVsn, State, _Extra) ->
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{ok, State}.
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%% ------------------------------------------------------------------
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%% Internal Function Definitions
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%% ------------------------------------------------------------------
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