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* src/mod_muc/mod_muc.erl: Support for nick registration
SVN Revision: 100
This commit is contained in:
Alexey Shchepin
parent
0a166ec7a6
commit
097f73643a
@ -19,7 +19,8 @@
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store_room/2,
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restore_room/1,
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forget_room/1,
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process_iq_disco_items/5]).
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process_iq_disco_items/5,
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can_use_nick/2]).
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-include("ejabberd.hrl").
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-include("jlib.hrl").
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@ -27,11 +28,17 @@
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-record(muc_room, {name, opts}).
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-record(muc_online_room, {name, pid}).
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-record(muc_registered, {user, nick}).
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start(Opts) ->
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mnesia:create_table(muc_room,
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[{disc_copies, [node()]},
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{attributes, record_info(fields, muc_room)}]),
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mnesia:create_table(muc_registered,
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[{disc_copies, [node()]},
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{attributes, record_info(fields, muc_registered)}]),
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mnesia:add_table_index(muc_registered, nick),
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Host = gen_mod:get_opt(host, Opts, "conference." ++ ?MYNAME),
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register(ejabberd_mod_muc, spawn(?MODULE, init, [Host])).
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@ -85,14 +92,36 @@ do_route(Host, From, To, Packet) ->
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spawn(?MODULE,
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process_iq_disco_items,
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[Host, From, To, ID, SubEl]);
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{iq, ID, get, ?NS_REGISTER = XMLNS, SubEl} ->
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Lang = xml:get_tag_attr_s("xml:lang", SubEl),
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Res = {iq, ID, result, XMLNS,
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[{xmlelement, "query",
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[{"xmlns", XMLNS}],
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iq_get_register_info(From, Lang)}]},
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ejabberd_router:route(To,
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From,
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jlib:iq_to_xml(Res));
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{iq, ID, set, ?NS_REGISTER = XMLNS, SubEl} ->
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case process_iq_register_set(From, SubEl) of
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{result, IQRes} ->
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Res = {iq, ID, result, XMLNS,
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[{xmlelement, "query",
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[{"xmlns", XMLNS}],
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IQRes}]},
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ejabberd_router:route(
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To, From, jlib:iq_to_xml(Res));
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{error, Error} ->
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Err = jlib:make_error_reply(
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Packet, Error),
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ejabberd_router:route(To, From, Err)
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end;
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_ ->
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Err = jlib:make_error_reply(
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Packet, ?ERR_SERVICE_UNAVAILABLE),
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ejabberd_router:route(To, From, Err)
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end;
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_ ->
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Err = jlib:make_error_reply(Packet,
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?ERR_JID_NOT_FOUND),
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Err = jlib:make_error_reply(Packet, ?ERR_JID_NOT_FOUND),
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ejabberd_router:route(To, From, Err)
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end;
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_ ->
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@ -182,8 +211,8 @@ iq_disco_info() ->
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[{"category", "conference"},
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{"type", "text"},
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{"name", "ejabberd/mod_muc"}], []},
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{xmlelement, "feature",
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[{"var", ?NS_MUC}], []}].
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{xmlelement, "feature", [{"var", ?NS_MUC}], []},
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{xmlelement, "feature", [{"var", ?NS_REGISTER}], []}].
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process_iq_disco_items(Host, From, To, ID, SubEl) ->
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@ -195,7 +224,6 @@ process_iq_disco_items(Host, From, To, ID, SubEl) ->
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From,
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jlib:iq_to_xml(Res)).
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% TODO: ask more info from room processes
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iq_disco_items(Host, From) ->
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lists:zf(fun(#muc_online_room{name = Name, pid = Pid}) ->
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case catch gen_fsm:sync_send_all_state_event(
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@ -211,5 +239,116 @@ iq_disco_items(Host, From) ->
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end, ets:tab2list(muc_online_room)).
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-define(XFIELD(Type, Label, Var, Val),
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{xmlelement, "field", [{"type", Type},
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{"label", translate:translate(Lang, Label)},
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{"var", Var}],
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[{xmlelement, "value", [], [{xmlcdata, Val}]}]}).
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iq_get_register_info(From, Lang) ->
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{LUser, LServer, _} = jlib:jid_tolower(From),
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LUS = {LUser, LServer},
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Nick = case catch mnesia:dirty_read(muc_registered, LUS) of
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{'EXIT', Reason} ->
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"";
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[] ->
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"";
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[#muc_registered{nick = N}] ->
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N
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end,
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[{xmlelement, "instructions", [],
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[{xmlcdata, translate:translate(
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Lang, "You need a x:data capable client to register.")}]},
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{xmlelement, "x",
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[{"xmlns", ?NS_XDATA}],
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[{xmlelement, "title", [],
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[{xmlcdata,
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translate:translate(
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Lang, "Nick Registration")}]},
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{xmlelement, "instructions", [],
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[{xmlcdata,
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translate:translate(
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Lang, "Enter nick you want to register.")}]},
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?XFIELD("text-single", "Nick", "nick", Nick)]}].
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iq_set_register_info(From, XData) ->
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{LUser, LServer, _} = jlib:jid_tolower(From),
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LUS = {LUser, LServer},
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case lists:keysearch("nick", 1, XData) of
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false ->
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{error, ?ERR_BAD_REQUEST};
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{value, {_, [Nick]}} ->
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F = fun() ->
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case Nick of
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"" ->
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mnesia:delete({muc_registered, LUS}),
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ok;
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_ ->
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Allow = case mnesia:index_read(
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muc_registered,
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Nick,
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#muc_registered.nick) of
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[] ->
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true;
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[#muc_registered{user = U}] ->
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U == LUS
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end,
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if
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Allow ->
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mnesia:write(
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#muc_registered{user = LUS,
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nick = Nick}),
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ok;
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true ->
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false
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end
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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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{result, []};
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{atomic, false} ->
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{error, ?ERR_NOT_ALLOWED};
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_ ->
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{error, ?ERR_INTERNAL_SERVER_ERROR}
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end
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end.
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process_iq_register_set(From, SubEl) ->
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{xmlelement, Name, Attrs, Els} = SubEl,
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case xml:remove_cdata(Els) of
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[{xmlelement, "x", Attrs1, Els1} = XEl] ->
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case {xml:get_tag_attr_s("xmlns", XEl),
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xml:get_tag_attr_s("type", XEl)} of
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{?NS_XDATA, "cancel"} ->
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{result, []};
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{?NS_XDATA, "submit"} ->
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XData = jlib:parse_xdata_submit(XEl),
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case XData of
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invalid ->
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{error, ?ERR_BAD_REQUEST};
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_ ->
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iq_set_register_info(From, XData)
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end
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end;
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_ ->
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{error, ?ERR_BAD_REQUEST}
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end.
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can_use_nick(JID, Nick) ->
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{LUser, LServer, _} = jlib:jid_tolower(JID),
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LUS = {LUser, LServer},
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case catch mnesia:dirty_index_read(muc_registered,
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Nick,
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#muc_registered.nick) of
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{'EXIT', Reason} ->
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true;
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[] ->
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true;
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[#muc_registered{user = U}] ->
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U == LUS
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end.
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@ -323,7 +323,8 @@ normal_state({route, From, Nick,
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NewState
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end;
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_ ->
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case is_nick_exists(Nick, StateData) of
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case is_nick_exists(Nick, StateData) or
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not mod_muc:can_use_nick(From, Nick) of
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true ->
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Err = jlib:make_error_reply(
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Packet, ?ERR_MUC_NICK_CONFLICT),
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