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xmpp.chapril.org-ejabberd/mod_pubsub_ng/exmpp_pubsub.erl

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%%% ====================================================================
%%% ``The contents of this file are subject to the Erlang Public License,
%%% Version 1.1, (the "License"); you may not use this file except in
%%% compliance with the License. You should have received a copy of the
%%% Erlang Public License along with this software. If not, it can be
%%% retrieved via the world wide web at http://www.erlang.org/.
%%%
%%% Software distributed under the License is distributed on an "AS IS"
%%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%%% the License for the specific language governing rights and limitations
%%% under the License.
%%%
%%% The Initial Developer of the Original Code is ProcessOne.
%%% Portions created by ProcessOne are Copyright 2006-2013, ProcessOne
%%% All Rights Reserved.''
%%% This software is copyright 2006-2013, ProcessOne.
%%%
%%% @copyright 2006-2013 ProcessOne
%%% @author Karim Gemayel <karim.gemayel@process-one.net>
%%% [http://www.process-one.net/]
%%% @version {@vsn}, {@date} {@time}
%%% @end
%%% ====================================================================
%%% @headerfile "pubsub_dev.hrl"
-module(exmpp_pubsub).
-author('karim.gemayel@process-one.net').
-compile(export_all).
-include("pubsub_dev.hrl").
%% --------------------------------------------------------------------
%% Documentation / type definitions.
%% --------------------------------------------------------------------
%-- Affiliations --%
-export_type([
affiliation/0,
%%
affiliation_owner/0,
affiliation_publisher/0,
affiliation_publish_only/0,
affiliation_member/0,
affiliation_none/0,
affiliation_outcast/0
]).
%% @type affiliation_owner() = 'owner'.
-type(affiliation_owner() :: 'owner').
%% @type affiliation_publisher() = 'publisher'.
-type(affiliation_publisher() :: 'publisher').
%% @type affiliation_publish_only() = 'publish-only'.
-type(affiliation_publish_only() :: 'publish-only').
%% @type affiliation_member() = 'member'.
-type(affiliation_member() :: 'member').
%% @type affiliation_none() = 'none'.
-type(affiliation_none() :: 'none').
%% @type affiliation_outcast() = 'outcast'.
-type(affiliation_outcast() :: 'outcast').
%% @type affiliation() = Owner | Publisher | Publish_Only | Member | None | Outcast
%% Owner = exmpp_pubsub:affiliation_owner()
%% Publisher = exmpp_pubsub:affiliation_publisher()
%% Publish_Only = exmpp_pubsub:affiliation_publish_only()
%% Member = exmpp_pubsub:affiliation_member()
%% None = exmpp_pubsub:affiliation_none()
%% Outcast = exmpp_pubsub:affiliation_outcast().
-type(affiliation() :: exmpp_pubsub:affiliation_owner()
| exmpp_pubsub:affiliation_publisher()
| exmpp_pubsub:affiliation_publish_only()
| exmpp_pubsub:affiliation_member()
| exmpp_pubsub:affiliation_none()
| exmpp_pubsub:affiliation_outcast()
).
%%
%-- Things identifiers --%
-export_type([
index/0,
itemId/0,
itemIds/0,
level/0,
nodeId/0,
nodeIdx/0,
subId/0,
plugin/0
]).
%% @type index() = 'node'.
-type(index() :: 'node' ).
%% @type itemId() = binary().
-type(itemId() :: binary()).
%% @type itemIds() = [ItemId::exmpp_pubsub:itemId(),...].
-type(itemIds() :: [ItemId::exmpp_pubsub:itemId(),...]).
%% @type level() = non_neg_integer().
-type(level() :: non_neg_integer()).
%% @type nodeId() = binary().
-type(nodeId() :: binary()).
%% @type nodeIdx() = non_neg_integer().
-type(nodeIdx() :: non_neg_integer()).
%% @type plugin() = module().
-type(plugin() :: module()).
%% @type subId() = binary().
-type(subId() :: binary()).
-export_type([
t_now/0
]).
%% Temporary -type, until calendar.erl -type is exported
-type(t_now()
:: {MegaSec::non_neg_integer(),
Sec::non_neg_integer(),
MilliSec::non_neg_integer()}
).
%%
-export_type([
feature/0,
features/0,
pubsub_feature/0,
pubsub_features/0
]).
-type(feature() :: binary()).
-type(features() :: Features::[Feature::exmpp_pubsub:feature(),...]).
-type(pubsub_feature() :: exmpp_pubsub:feature()).
-type(pubsub_features() :: Pubsub_Features::[Pubsub_Feature::exmpp_pubsub:feature(),...]).
%%
%-- Payload types --%
-export_type([
payload/0,
%%
payload_empty/0,
payload_full/0
]).
%% @type payload_empty() = [].
-type(payload_empty() :: []).
%% @type payload_full() = #xmlel{}.
-type(payload_full() :: xmlel()).
%% @type payload() = Empty_Payload | Full_Payload
%% Empty_Payload = exmpp_pubsub:payload_empty()
%% Full_Payload = exmpp_pubsub:payload_full().
-type(payload() :: exmpp_pubsub:payload_empty()
| exmpp_pubsub:payload_full()
).
%%
%-- Pusbub Host --%
-export_type([
host/0,
%%
host_pubsub/0,
host_pep/0
]).
%% @type host_pubsub() = xmpp_jid:domain_jid().
%% ```<<"pubsub.shakespeare.lit">>'''
%% Identifier type of the Pubsub service
-type(host_pubsub() :: binary()).
%% @type host_pep() = xmpp_jid:usr_contact_bare().
%% ```{<<"juliet">>, <<"capulet.lit">>, undefined}'''
%% Identifier type of the Pubsub-On-Jid service
-type(host_pep() :: xmpp_jid:usr_contact_bare()).
%% @type host() = Pubsub_Host | Pubsub_On_Jid_Host
%% Pubsub_Host = exmpp_pubsub:host_pubsub()
%% Pubsub_On_Jid_Host = exmpp_pubsub:host_pep().
%% Identifier types of the Pubsub and PEP (Pubsub-On-Jid) services
%% ```* Pubsub_Host : <<"pubsub.shakespeare.lit">>
%% * Pubsub_PEP : {<<"juliet">>, <<"capulet.lit">>, undefined}'''
-type(host() :: exmpp_pubsub:host_pubsub()
| exmpp_pubsub:host_pep()
).
%%
%-- Subscription States --%
-export_type([
subscription_state/0,
%%
subscription_state_none/0,
subscription_state_pending/0,
subscription_state_unconfigured/0,
subscription_state_subscribed/0
]).
%% @type subscription_state_none() = 'none'.
-type(subscription_state_none() :: 'none').
%% @type subscription_state_pending() = 'pending'.
-type(subscription_state_pending() :: 'pending').
%% @type subscription_state_unconfigured() = 'unconfigured'.
-type(subscription_state_unconfigured() :: 'unconfigured').
%% @type subscription_state_subscribed() = 'subscribed'.
-type(subscription_state_subscribed() :: 'subscribed').
%% @type subscription_state() = None | Pending | Unconfigured | Subscribed
%% None = exmpp_pubsub:subscription_state_none()
%% Pending = exmpp_pubsub:subscription_state_pending()
%% Unconfigured = exmpp_pubsub:subscription_state_unconfigured()
%% Subscribed = exmpp_pubsub:subscription_state_subscribed()
-type(subscription_state() :: exmpp_pubsub:subscription_state_pending()
| exmpp_pubsub:subscription_state_unconfigured()
| exmpp_pubsub:subscription_state_subscribed()
).
%%
%-- Subscription -- %%
-export_type([
subscriptions/0,
subscription/0,
%%
subscription_subscribed/0,
subscription_unconfigured/0,
subscription_pending/0
]).
-type(subscription_subscribed()
:: {Subscription_State :: exmpp_pubsub:subscription_state_subscribed(),
SubId :: exmpp_pubsub:subId(),
Resource :: undefined | xmpp_jid:resource_jid() | {'caps', xmpp_jid:resource_jid()},
Subscription_Options :: [] | pubsub_options:options_subscription()}
).
-type(subscription_unconfigured()
:: {Subscription_State :: exmpp_pubsub:subscription_state_unconfigured(),
SubId :: exmpp_pubsub:subId(),
Resource :: undefined | xmpp_jid:resource_jid() | {'caps', xmpp_jid:resource_jid()},
Subscription_Options :: []}
).
-type(subscription_pending()
:: {Subscription_State :: exmpp_pubsub:subscription_state_pending(),
SubId :: exmpp_pubsub:subId(),
Resource :: undefined | xmpp_jid:resource_jid() | {'caps', xmpp_jid:resource_jid()},
Subscription_Options :: []}
).
-type(subscription()
:: {Subscription_State :: exmpp_pubsub:subscription_state(),
SubId :: exmpp_pubsub:subId(),
Resource :: undefined | xmpp_jid:resource_jid() | {'caps', xmpp_jid:resource_jid()},
Subscription_Options :: [] | pubsub_options:options_subscription()}
%% :: exmpp_pubsub:subscription_subscribed()
%% | exmpp_pubsub:subscription_pending()
%% | exmpp_pubsub:subscription_unconfigured()
).
-type(subscriptions()
:: [exmpp_pubsub:subscription(),...]
%% :: [exmpp_pubsub:subscription_subscribed(),...]
%% | [exmpp_pubsub:subscription_unconfigured(),...]
%% | [exmpp_pubsub:subscription_pending(),...]
).
%% TODO : commented -type unions return the following dialyzer error (bug ?) :
%% ...
%% Adding information from /home/meta/otp-exmpp.plt to ejabberd.plt...
%%=ERROR REPORT==== 29-Jul-2011::15:14:42 ===
%Error in process <0.2604.0> with exit value: {function_clause,[{erl_types,inf_tuples_in_sets,4},{erl_types,inf_tuple_sets,4},{erl_types,inf_tuple_sets,3},{erl_types,t_inf,3},{erl_types,t_inf_lists_strict,4},{erl_types,t_inf,3},{dialyzer_typesig,solve_one_c...
%%
%%
%%dialyzer: Analysis failed with error: {function_clause,[{erl_types,inf_tuples_in_sets,4},
%% {erl_types,inf_tuple_sets,4},
%% {erl_types,inf_tuple_sets,3},
%% {erl_types,t_inf,3},
%% {erl_types,t_inf_lists_strict,4},
%% {erl_types,t_inf,3},
%% {dialyzer_typesig,solve_one_c,...},
%% {dialyzer_typesig,...}]}
%%Last messages in the log cache:
%% Typesig analysis for SCC: [{ejabberd_web_admin,make_xhtml,5}]
%% Typesig analysis for SCC: [{ejabberd_web_admin,make_xhtml,4}]
%% Typesig analysis for SCC: [{ejabberd_web_admin,process_admin,2}]
%% Typesig analysis for SCC: [{ejabberd_web_admin,process,2}]
%% Typesig analysis for SCC: [{mod_stats,get_local_stat,3}]
%% Typesig analysis for SCC: [{mod_stats,get_local_stats,3}]
%% Typesig analysis for SCC: [{mod_stats,process_local_iq,3}]
%% Typesig analysis for SCC: [{mod_register_web,send_registration_notifications,2}]
%% Typesig analysis for SCC: [{mod_register_web,process,2}]
%% Typesig analysis for SCC: [{pubsub_db,create_node,5}]
%%
%% Pubsub #xmlel{} templates
%% --------------------------------------------------------------------
%% Functions.
%% --------------------------------------------------------------------
%% @spec nodeId() -> NodeId::exmpp_pubsub:nodeId()
-spec(nodeId/0 :: () -> NodeId::exmpp_pubsub:nodeId()).
nodeId() ->
randoms:get_string().
%% @spec subId() -> SubId::exmpp_pubsub:subId()
-spec(subId/0 :: () -> SubId::exmpp_pubsub:subId()).
subId() ->
{T1, T2, T3} = now(),
list_to_binary(lists:flatten(io_lib:fwrite("~.16B~.16B~.16B", [T1, T2, T3]))).
%% @spec itemId() -> ItemId::exmpp_pubsub:itemId()
-spec(itemId/0 :: () -> ItemId::exmpp_pubsub:itemId()).
itemId() ->
{T1, T2, T3} = now(),
list_to_binary(lists:flatten(io_lib:fwrite("~.16B~.16B~.16B", [T1, T2, T3]))).
id() ->
{T1, T2, T3} = now(),
list_to_binary(lists:flatten(io_lib:fwrite("~.16B~.16B~.16B", [T1, T2, T3]))).
%%
-spec(subscription_subscribed/2 ::
(
Resource :: undefined
| xmpp_jid:resource_jid()
| {'caps', xmpp_jid:resource_jid()},
Subscription_Options :: [] | pubsub_options:options_subscription())
-> Subscription_Subscribed::exmpp_pubsub:subscription_subscribed()
).
subscription_subscribed(Resource, Subscription_Options) ->
{'subscribed', subId(), Resource, Subscription_Options}.
%%
-spec(subscription_pending/2 ::
(
Resource :: undefined
| xmpp_jid:resource_jid()
| {'caps', xmpp_jid:resource_jid()},
Subscription_Options :: [] | pubsub_options:options_subscription())
-> Subscription_Pending::exmpp_pubsub:subscription_pending()
).
subscription_pending(Resource, Subscription_Options) ->
{'pending', subId(), Resource, Subscription_Options}.
%% Pubsub Xmlel templates
xmlcdata(CData) ->
{xmlcdata, CData}.
xmlattr(Name, Value) ->
{Name, Value}.
xmlel('disco#info', Name, Attrs, Children) ->
xmlel(?NS_DISCO_INFO, Name, Attrs, Children);
xmlel('disco#items', Name, Attrs, Children) ->
xmlel(?NS_DISCO_ITEMS, Name, Attrs, Children);
xmlel('jabber:client', Name, Attrs, Children) ->
xmlel(?NS_JABBER_CLIENT, Name, Attrs, Children);
xmlel('pubsub', Name, Attrs, Children) ->
xmlel(?NS_PUBSUB, Name, Attrs, Children);
xmlel('pubsub#event', Name, Attrs, Children) ->
xmlel(?NS_PUBSUB_EVENT, Name, Attrs, Children);
xmlel('pubsub#owner', Name, Attrs, Children) ->
xmlel(?NS_PUBSUB_OWNER, Name, Attrs, Children);
xmlel('shim', Name, Attrs, Children) ->
xmlel(?NS_SHIM, Name, Attrs, Children);
xmlel(NS, Name, Attrs, Children) ->
#xmlel{name = Name, attrs = [{<<"xmlns">>, NS} | Attrs], children = Children}.
%%
xmlattr_affiliation(Affiliation) ->
xmlattr(<<"affiliation">>, list_to_binary(atom_to_list(Affiliation))).
%%
xmlattr_category(Category) ->
xmlattr(<<"category">>, Category).
%%
xmlattr_id(ItemId) ->
xmlattr(<<"id">>, ItemId).
%%
xmlattr_jid(Jid) ->
xmlattr(<<"jid">>, Jid).
%%
xmlattr_name(Name) ->
xmlattr(<<"name">>, Name).
%%
xmlattr_node(NodeId) ->
xmlattr(<<"node">>, NodeId).
%%
xmlattr_publisher(Publisher) ->
xmlattr(<<"publisher">>, Publisher).
%%
xmlattr_subid(SubId) ->
xmlattr(<<"subid">>, SubId).
%%
xmlattr_subscription(Subscription_State) ->
xmlattr(<<"subscription">>, list_to_binary(atom_to_list(Subscription_State))).
%%
xmlattr_type(Type) when is_atom(Type)->
xmlattr(<<"type">>, list_to_binary(atom_to_list(Type)));
%%
xmlattr_type(Type) ->
xmlattr(<<"type">>, Type).
%%
xmlattr_uri(URI) ->
xmlattr(<<"uri">>, URI).
%%
xmlattr_var(Var) ->
xmlattr(<<"var">>, Var).
%%
xmlel_affiliation('pubsub', NodeId, Affiliation) ->
xmlel('pubsub', <<"affiliation">>,
[xmlattr_node(NodeId),
xmlattr_affiliation(Affiliation)],
[]);
xmlel_affiliation('pubsub#owner', Jid, Affiliation) ->
xmlel('pubsub#owner', <<"affiliation">>,
[xmlattr_jid(Jid),
xmlattr_affiliation(Affiliation)],
[]).
%%
xmlel_affiliations('pubsub', Xmlels) ->
xmlel('pubsub', <<"affiliations">>, [], Xmlels).
xmlel_affiliations('pubsub#owner', NodeId, Xmlels) ->
xmlel('pubsub#owner', <<"affiliations">>, [xmlattr_node(NodeId)], Xmlels).
%%
xmlel_create(NodeId) ->
xmlel('pubsub', <<"create">>, [xmlattr_node(NodeId)], []).
%%
xmlel_configure('pubsub#owner', NodeId, Xmlels) ->
xmlel('pubsub#owner', <<"configure">>, [xmlattr_node(NodeId)], Xmlels).
%%
xmlel_default('pubsub', Xmlels) ->
xmlel('pubsub', <<"default">>, [], Xmlels);
%%
xmlel_default('pubsub#owner', Xmlels) ->
xmlel('pubsub#owner', <<"default">>, [], Xmlels).
%%
xmlel_default('pubsub', NodeId, Xmlels) ->
xmlel('pubsub', <<"default">>, [xmlattr_node(NodeId)], Xmlels).
%%
xmlel_delete(NodeId, RedirectURI) ->
xmlel('pubsub#event', <<"delete">>,
[xmlattr_node(NodeId)],
case RedirectURI of
undefined -> [];
_RedirectURI -> [xmlel_redirect(RedirectURI)]
end).
%%
xmlel_event(Xmlels) ->
xmlel('pubsub#event', <<"event">>, [], Xmlels).
%%
xmlel_feature('disco#info', Feature) ->
xmlel('disco#info', <<"feature">>, [xmlattr_var(Feature)], []).
%%
xmlel_header(SubId) ->
xmlel('shim', <<"header">>, [xmlattr_name(<<"SubID">>)], [xmlcdata(SubId)]).
%%
xmlel_headers(Xmlels_Header) ->
xmlel('shim', <<"headers">>, [], Xmlels_Header).
xmlel_identity('disco#info', Category, Type, Name) ->
xmlel('disco#info', <<"identity">>,
case Name of
undefined ->
[xmlattr_category(Category),
xmlattr_type(Type)];
_ ->
[xmlattr_category(Category),
xmlattr_name(Name),
xmlattr_type(Type)]
end,
[]).
%%
xmlel_item('pubsub', ItemId) ->
xmlel('pubsub', <<"item">>, [xmlattr_id(ItemId)], []).
%%
xmlel_item('disco#items', ItemId, Jid) ->
xmlel('disco#items', <<"item">>,
[xmlattr_name(ItemId),
xmlattr_jid(Jid)],
[]);
xmlel_item('pubsub', ItemId, Payload) ->
xmlel('pubsub', <<"item">>, [xmlattr_id(ItemId)],
case Payload of
[] -> [];
_Payload -> [Payload]
end).
xmlel_item('disco#items', NodeId, Jid, Name) ->
xmlel('disco#items', <<"item">>,
case Name of
undefined ->
[xmlattr_jid(Jid),
xmlattr_node(NodeId)];
_ ->
[xmlattr_jid(Jid),
xmlattr_node(NodeId),
xmlattr_name(Name)]
end,
[]);
%%
xmlel_item('pubsub#event', ItemId, Publisher, Payload) ->
xmlel('pubsub#event', <<"item">>,
case Publisher of
undefined ->
[xmlattr_id(ItemId)];
_Publisher ->
[xmlattr_id(ItemId),
xmlattr_publisher(Publisher)]
end,
case Payload of
[] -> [];
_Payload -> [Payload]
end).
%%
xmlel_items('pubsub', NodeId, Xmlels) ->
xmlel('pubsub', <<"items">>, [xmlattr_node(NodeId)], Xmlels);
%%
xmlel_items('pubsub#event', undefined = _NodeId, Xmlels) ->
xmlel('pubsub#event', <<"items">>, [], Xmlels);
%%
xmlel_items('pubsub#event', NodeId, Xmlels) ->
xmlel('pubsub#event', <<"items">>, [xmlattr_node(NodeId)], Xmlels).
%%
xmlel_items('pubsub#event', NodeId, undefined = _ItemId, _Publisher, _Payload) ->
xmlel('pubsub#event', <<"items">>, [xmlattr_node(NodeId)], []);
xmlel_items('pubsub#event', NodeId, ItemId, Publisher, Payload) ->
xmlel('pubsub#event', <<"items">>,
[xmlattr_node(NodeId)],
[xmlel_item('pubsub#event', ItemId, Publisher, Payload)]).
%%
xmlel_message(undefined = _Type, Xmlels) ->
xmlel_message('normal', Xmlels);
xmlel_message(Type, Xmlels) ->
xmlel('jabber:client', <<"message">>,
[xmlattr_type(Type),
xmlattr_id(_Id = id())],
Xmlels).
%%
xmlel_options('pubsub', NodeId, Jid, SubId, Xmlels) ->
xmlel('pubsub', <<"options">>,
case SubId of
undefined ->
[xmlattr_node(NodeId),
xmlattr_jid(Jid)];
_ ->
[xmlattr_node(NodeId),
xmlattr_jid(Jid),
xmlattr_subid(SubId)]
end,
Xmlels).
%%
xmlel_publish('pubsub', NodeId, Xmlels) ->
xmlel('pubsub', <<"publish">>, [xmlattr_node(NodeId)], Xmlels).
%%
xmlel_purge(NodeId) ->
xmlel('pubsub#event', <<"purge">>, [xmlattr_node(NodeId)], []).
%%
xmlel_query('disco#info', Xmlels) ->
xmlel('disco#info', <<"query">>, [], Xmlels);
%%
xmlel_query('disco#items', Xmlels) ->
xmlel('disco#items', <<"query">>, [], Xmlels).
%%
xmlel_query('disco#info', NodeId, Xmlels) ->
xmlel('disco#info', <<"query">>, [xmlattr_node(NodeId)], Xmlels);
xmlel_query('disco#items', NodeId, Xmlels) ->
xmlel('disco#items', 'query', [xmlattr_node(NodeId)], Xmlels).
%%
xmlel_redirect(RedirectURI) ->
xmlel('pubsub#event', <<"redirect">>, [xmlattr_uri(RedirectURI)], []).
%%
xmlel_retract(undefined = _ItemId) ->
xmlel('pubsub#event', <<"retract">>, [], []);
xmlel_retract(ItemId) ->
xmlel('pubsub#event', <<"retract">>, [xmlattr_id(ItemId)], []).
%%
xmlel_subscription('pubsub', NodeId, Jid, SubId, Subscription_State) ->
xmlel('pubsub', <<"subscription">>,
[xmlattr_node(NodeId),
xmlattr_jid(Jid),
xmlattr_subid(SubId),
xmlattr_subscription(Subscription_State)],
[]);
xmlel_subscription('pubsub#event', NodeId, Jid, SubId, Subscription_State) ->
xmlel('pubsub#event', <<"subscription">>,
case SubId of
undefined ->
[xmlattr_node(NodeId),
xmlattr_jid(Jid),
xmlattr_subscription(Subscription_State)];
_SubId ->
[xmlattr_node(NodeId),
xmlattr_jid(Jid),
xmlattr_subid(SubId),
xmlattr_subscription(Subscription_State)]
end,
[]).
%%
xmlel_subscription('pubsub#owner', Jid, SubId, Subscription_State) ->
xmlel('pubsub#owner', <<"subscription">>,
case SubId of
undefined ->
[xmlattr_jid(Jid),
xmlattr_subscription(Subscription_State)];
_SubId ->
[xmlattr_jid(Jid),
xmlattr_subid(SubId),
xmlattr_subscription(Subscription_State)]
end,
[]).
%%
xmlel_subscriptions('pubsub', Xmlels) ->
xmlel('pubsub', <<"subscriptions">>, [], Xmlels).
xmlel_subscriptions('pubsub#owner', NodeId, Xmlels) ->
xmlel('pubsub#owner', <<"subscriptions">>, [xmlattr_node(NodeId)], Xmlels).
%%
xmlel_publish(NodeId, undefined = _ItemId) ->
xmlel('pubsub', <<"publish">>, [xmlattr_node(NodeId)], []);
xmlel_publish(NodeId, ItemId) ->
xmlel('pubsub', <<"publish">>,
[xmlattr_node(NodeId)],
[xmlel_item('pubsub', ItemId)]).
%%
xmlel_pubsub('pubsub', Children) ->
xmlel('pubsub', <<"pubsub">>, [], Children);
%%
xmlel_pubsub('pubsub#owner', Children) ->
xmlel('pubsub#owner', <<"pubsub">>, [], Children).
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