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248 lines
7.3 KiB
Erlang
248 lines
7.3 KiB
Erlang
%%% ====================================================================
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%%% ``The contents of this file are subject to the Erlang Public License,
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%%% Version 1.1, (the "License"); you may not use this file except in
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%%% compliance with the License. You should have received a copy of the
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%%% Erlang Public License along with this software. If not, it can be
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%%% retrieved via the world wide web at http://www.erlang.org/.
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%%%
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%%% Software distributed under the License is distributed on an "AS IS"
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%%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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%%% the License for the specific language governing rights and limitations
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%%% under the License.
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%%%
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%%% The Initial Developer of the Original Code is ProcessOne.
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%%% Portions created by ProcessOne are Copyright 2006-2009, ProcessOne
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%%% All Rights Reserved.''
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%%% This software is copyright 2006-2009, ProcessOne.
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%%%
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%%%
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%%% @copyright 2006-2009 ProcessOne
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%%% @author Christophe Romain <christophe.romain@process-one.net>
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%%% [http://www.process-one.net/]
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%%% @version {@vsn}, {@date} {@time}
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%%% @end
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%%% ====================================================================
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%%% @doc The module <strong>{@module}</strong> is the pep PubSub plugin.
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%%% <p>PubSub plugin nodes are using the {@link gen_pubsub_node} behaviour.</p>
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-module(node_pep).
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-author('christophe.romain@process-one.net').
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-include("ejabberd.hrl").
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-include("pubsub.hrl").
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-include("jlib.hrl").
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-behaviour(gen_pubsub_node).
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%% API definition
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-export([init/3, terminate/2,
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options/0, features/0,
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create_node_permission/6,
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create_node/3,
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delete_node/2,
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purge_node/3,
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subscribe_node/8,
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unsubscribe_node/5,
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publish_item/7,
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delete_item/4,
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remove_extra_items/4,
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get_entity_affiliations/2,
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get_node_affiliations/2,
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get_affiliation/3,
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set_affiliation/4,
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get_entity_subscriptions/2,
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get_node_subscriptions/2,
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get_subscription/3,
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set_subscription/4,
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get_states/2,
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get_state/3,
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set_state/1,
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get_items/7,
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get_items/3,
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get_item/8,
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get_item/3,
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set_item/1,
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get_item_name/3
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]).
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init(Host, ServerHost, Opts) ->
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node_default:init(Host, ServerHost, Opts),
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complain_if_modcaps_disabled(ServerHost),
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ok.
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terminate(Host, ServerHost) ->
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node_default:terminate(Host, ServerHost),
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ok.
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options() ->
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[{node_type, pep},
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{deliver_payloads, true},
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{notify_config, false},
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{notify_delete, false},
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{notify_retract, false},
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{persist_items, false},
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{max_items, ?MAXITEMS div 2},
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{subscribe, true},
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{access_model, presence},
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{roster_groups_allowed, []},
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{publish_model, publishers},
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{max_payload_size, ?MAX_PAYLOAD_SIZE},
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{send_last_published_item, on_sub_and_presence},
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{deliver_notifications, true},
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{presence_based_delivery, true}].
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features() ->
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["create-nodes", %*
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"auto-create", %*
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"auto-subscribe", %*
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"delete-nodes", %*
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"delete-items", %*
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"filtered-notifications", %*
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"modify-affiliations",
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"outcast-affiliation",
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"persistent-items",
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"publish", %*
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"purge-nodes",
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"retract-items",
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"retrieve-affiliations",
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"retrieve-items", %*
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"retrieve-subscriptions",
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"subscribe" %*
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].
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create_node_permission(Host, ServerHost, _Node, _ParentNode, Owner, Access) ->
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LOwner = jlib:jid_tolower(Owner),
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{User, Server, _Resource} = LOwner,
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Allowed = case LOwner of
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{"", Host, ""} ->
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true; % pubsub service always allowed
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_ ->
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case acl:match_rule(ServerHost, Access, LOwner) of
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allow ->
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case Host of
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{User, Server, _} -> true;
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_ -> false
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end;
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E ->
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?DEBUG("Create not allowed : ~p~n", [E]),
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false
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end
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end,
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{result, Allowed}.
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create_node(Host, Node, Owner) ->
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case node_default:create_node(Host, Node, Owner) of
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{result, _} -> {result, []};
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Error -> Error
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end.
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delete_node(Host, Removed) ->
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case node_default:delete_node(Host, Removed) of
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{result, {_, _, Removed}} -> {result, {[], Removed}};
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Error -> Error
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end.
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subscribe_node(Host, Node, Sender, Subscriber, AccessModel,
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SendLast, PresenceSubscription, RosterGroup) ->
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node_default:subscribe_node(
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Host, Node, Sender, Subscriber, AccessModel, SendLast,
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PresenceSubscription, RosterGroup).
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unsubscribe_node(Host, Node, Sender, Subscriber, SubID) ->
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case node_default:unsubscribe_node(Host, Node, Sender, Subscriber, SubID) of
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{error, Error} -> {error, Error};
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{result, _} -> {result, []}
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end.
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publish_item(Host, Node, Publisher, Model, MaxItems, ItemId, Payload) ->
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node_default:publish_item(Host, Node, Publisher, Model, MaxItems, ItemId, Payload).
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remove_extra_items(Host, Node, MaxItems, ItemIds) ->
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node_default:remove_extra_items(Host, Node, MaxItems, ItemIds).
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delete_item(Host, Node, JID, ItemId) ->
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node_default:delete_item(Host, Node, JID, ItemId).
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purge_node(Host, Node, Owner) ->
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node_default:purge_node(Host, Node, Owner).
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get_entity_affiliations(_Host, Owner) ->
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OwnerKey = jlib:jid_tolower(jlib:jid_remove_resource(Owner)),
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node_default:get_entity_affiliations(OwnerKey, Owner).
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get_node_affiliations(Host, Node) ->
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OwnerKey = jlib:jid_remove_resource(Host),
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node_default:get_node_affiliations(OwnerKey, Node).
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get_affiliation(_Host, Node, Owner) ->
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OwnerKey = jlib:jid_tolower(jlib:jid_remove_resource(Owner)),
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node_default:get_affiliation(OwnerKey, Node, Owner).
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set_affiliation(_Host, Node, Owner, Affiliation) ->
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OwnerKey = jlib:jid_tolower(jlib:jid_remove_resource(Owner)),
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State = get_state(OwnerKey, Node, OwnerKey),
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set_state(State#pubsub_state{affiliation = Affiliation}),
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ok.
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get_entity_subscriptions(_Host, _Owner) ->
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{result, []}.
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get_node_subscriptions(_Host, _Node) ->
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{result, []}.
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get_subscription(_Host, _Node, _Owner) ->
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{result, none}.
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set_subscription(_Host, _Node, _Owner, _Subscription) ->
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ok.
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get_states(Host, Node) ->
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node_default:get_states(Host, Node).
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get_state(Host, Node, JID) ->
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node_default:get_state(Host, Node, JID).
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set_state(State) ->
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node_default:set_state(State).
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get_items(Host, Node, From) ->
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node_default:get_items(Host, Node, From).
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get_items(Host, Node, JID, AccessModel, PresenceSubscription, RosterGroup, SubId) ->
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node_default:get_items(Host, Node, JID, AccessModel, PresenceSubscription, RosterGroup, SubId).
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get_item(Host, Node, ItemId) ->
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node_default:get_item(Host, Node, ItemId).
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get_item(Host, Node, ItemId, JID, AccessModel, PresenceSubscription, RosterGroup, SubId) ->
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node_default:get_item(Host, Node, ItemId, JID, AccessModel, PresenceSubscription, RosterGroup, SubId).
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set_item(Item) ->
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node_default:set_item(Item).
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get_item_name(Host, Node, Id) ->
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node_default:get_item_name(Host, Node, Id).
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%%%
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%%% Internal
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%%%
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%% @doc Check mod_caps is enabled, otherwise show warning.
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%% The PEP plugin for mod_pubsub requires mod_caps to be enabled in the host.
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%% Check that the mod_caps module is enabled in that Jabber Host
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%% If not, show a warning message in the ejabberd log file.
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complain_if_modcaps_disabled(ServerHost) ->
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Modules = ejabberd_config:get_local_option({modules, ServerHost}),
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ModCaps = [mod_caps_enabled || {mod_caps, _Opts} <- Modules],
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case ModCaps of
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[] ->
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?WARNING_MSG("The PEP plugin is enabled in mod_pubsub of host ~p. "
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"This plugin requires mod_caps to be enabled, "
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"but it isn't.", [ServerHost]);
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_ ->
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ok
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end.
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