mirror of
https://github.com/processone/ejabberd.git
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104 lines
2.6 KiB
Erlang
104 lines
2.6 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% File : mod_private.erl
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%%% Author : Alexey Shchepin <alexey@sevcom.net>
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%%% Purpose :
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%%% Created : 16 Jan 2003 by Alexey Shchepin <alexey@sevcom.net>
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%%% Id : $Id$
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%%%----------------------------------------------------------------------
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-module(mod_private).
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-author('alexey@sevcom.net').
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-vsn('$Revision$ ').
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-behaviour(gen_mod).
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-export([start/1,
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stop/0,
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process_local_iq/3]).
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-include("ejabberd.hrl").
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-include("namespaces.hrl").
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-record(private_storage, {userns, xml}).
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start(Opts) ->
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IQDisc = gen_mod:get_opt(iqdisc, Opts, one_queue),
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mnesia:create_table(private_storage,
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[{disc_only_copies, [node()]},
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{attributes, record_info(fields, private_storage)}]),
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gen_iq_handler:add_iq_handler(ejabberd_local, ?NS_PRIVATE,
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?MODULE, process_local_iq, IQDisc).
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stop() ->
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gen_iq_handler:remove_iq_handler(ejabberd_local, ?NS_PRIVATE).
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process_local_iq(From, To, {iq, ID, Type, XMLNS, SubEl}) ->
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{User, Server, _} = From,
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LUser = jlib:tolower(User),
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LServer = jlib:tolower(Server),
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case ?MYNAME of
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Server ->
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{xmlelement, Name, Attrs, Els} = SubEl,
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case Type of
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set ->
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F = fun() ->
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lists:foreach(
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fun(El) ->
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set_data(LUser, El)
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end, Els)
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end,
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mnesia:transaction(F),
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{iq, ID, result, XMLNS, [{xmlelement, Name, Attrs, []}]};
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get ->
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case catch get_data(LUser, Els) of
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{'EXIT', Reason} ->
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{iq, ID, error, XMLNS,
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[SubEl, {xmlelement, "error",
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[{"code", "500"}],
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[{xmlcdata, "Internal Server Error"}]}]};
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Res ->
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{iq, ID, result, XMLNS,
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[{xmlelement, Name, Attrs, Res}]}
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end
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end;
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_ ->
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{iq, ID, error, XMLNS, [SubEl, {xmlelement, "error",
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[{"code", "405"}],
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[{xmlcdata, "Not Allowed"}]}]}
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end.
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set_data(LUser, El) ->
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case El of
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{xmlelement, Name, Attrs, Els} ->
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XMLNS = xml:get_attr_s("xmlns", Attrs),
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case XMLNS of
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"" ->
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ignore;
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_ ->
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mnesia:write(#private_storage{userns = {LUser, XMLNS},
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xml = El})
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end;
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_ ->
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ignore
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end.
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get_data(LUser, Els) ->
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get_data(LUser, Els, []).
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get_data(LUser, [], Res) ->
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lists:reverse(Res);
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get_data(LUser, [El | Els], Res) ->
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case El of
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{xmlelement, Name, Attrs, _} ->
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XMLNS = xml:get_attr_s("xmlns", Attrs),
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case mnesia:dirty_read(private_storage, {LUser, XMLNS}) of
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[R] ->
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get_data(LUser, Els, [R#private_storage.xml | Res]);
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[] ->
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get_data(LUser, Els, [El | Res])
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end;
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_ ->
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get_data(LUser, Els, Res)
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end.
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