181 lines
6.0 KiB
Erlang
181 lines
6.0 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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%%%
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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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%%%
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%%% The Initial Developer of the Original Code is ProcessOne.
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%%% Portions created by ProcessOne are Copyright 2006-2015, ProcessOne
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%%% All Rights Reserved.''
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%%% This software is copyright 2006-2015, ProcessOne.
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%%%
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%%% @copyright 2006-2015 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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-module(node_flat).
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-behaviour(gen_pubsub_node).
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-author('christophe.romain@process-one.net').
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-include("pubsub.hrl").
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-include("jlib.hrl").
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-export([init/3, terminate/2, options/0, features/0,
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create_node_permission/6, create_node/2, delete_node/1,
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purge_node/2, subscribe_node/8, unsubscribe_node/4,
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publish_item/6, delete_item/4, remove_extra_items/3,
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get_entity_affiliations/2, get_node_affiliations/1,
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get_affiliation/2, set_affiliation/3,
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get_entity_subscriptions/2, get_node_subscriptions/1,
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get_subscriptions/2, set_subscriptions/4,
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get_pending_nodes/2, get_states/1, get_state/2,
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set_state/1, get_items/7, get_items/3, get_item/7,
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get_item/2, set_item/1, get_item_name/3, node_to_path/1,
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path_to_node/1]).
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init(_Host, _ServerHost, _Opts) ->
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pubsub_subscription:init(),
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mnesia:create_table(pubsub_state,
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[{disc_copies, [node()]},
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{type, ordered_set},
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{attributes, record_info(fields, pubsub_state)}]),
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mnesia:create_table(pubsub_item,
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[{disc_only_copies, [node()]},
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{attributes, record_info(fields, pubsub_item)}]),
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ItemsFields = record_info(fields, pubsub_item),
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case mnesia:table_info(pubsub_item, attributes) of
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ItemsFields -> ok;
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_ -> mnesia:transform_table(pubsub_item, ignore, ItemsFields)
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end,
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ok.
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terminate(Host, ServerHost) ->
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node_hometree:terminate(Host, ServerHost).
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options() ->
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node_hometree:options().
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features() ->
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node_hometree:features().
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%% use same code as node_hometree, but do not limite node to
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%% the home/localhost/user/... hierarchy
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%% any node is allowed
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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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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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acl:match_rule(ServerHost, Access, LOwner) =:= allow
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end,
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{result, Allowed}.
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create_node(Nidx, Owner) ->
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node_hometree:create_node(Nidx, Owner).
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delete_node(Removed) ->
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node_hometree:delete_node(Removed).
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subscribe_node(Nidx, Sender, Subscriber, AccessModel,
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SendLast, PresenceSubscription, RosterGroup, Options) ->
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node_hometree:subscribe_node(Nidx, Sender, Subscriber,
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AccessModel, SendLast, PresenceSubscription,
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RosterGroup, Options).
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unsubscribe_node(Nidx, Sender, Subscriber, SubId) ->
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node_hometree:unsubscribe_node(Nidx, Sender, Subscriber, SubId).
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publish_item(Nidx, Publisher, Model, MaxItems, ItemId, Payload) ->
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node_hometree:publish_item(Nidx, Publisher, Model, MaxItems, ItemId, Payload).
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remove_extra_items(Nidx, MaxItems, ItemIds) ->
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node_hometree:remove_extra_items(Nidx, MaxItems, ItemIds).
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delete_item(Nidx, Publisher, PublishModel, ItemId) ->
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node_hometree:delete_item(Nidx, Publisher, PublishModel, ItemId).
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purge_node(Nidx, Owner) ->
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node_hometree:purge_node(Nidx, Owner).
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get_entity_affiliations(Host, Owner) ->
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node_hometree:get_entity_affiliations(Host, Owner).
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get_node_affiliations(Nidx) ->
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node_hometree:get_node_affiliations(Nidx).
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get_affiliation(Nidx, Owner) ->
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node_hometree:get_affiliation(Nidx, Owner).
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set_affiliation(Nidx, Owner, Affiliation) ->
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node_hometree:set_affiliation(Nidx, Owner, Affiliation).
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get_entity_subscriptions(Host, Owner) ->
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node_hometree:get_entity_subscriptions(Host, Owner).
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get_node_subscriptions(Nidx) ->
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node_hometree:get_node_subscriptions(Nidx).
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get_subscriptions(Nidx, Owner) ->
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node_hometree:get_subscriptions(Nidx, Owner).
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set_subscriptions(Nidx, Owner, Subscription, SubId) ->
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node_hometree:set_subscriptions(Nidx, Owner, Subscription, SubId).
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get_pending_nodes(Host, Owner) ->
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node_hometree:get_pending_nodes(Host, Owner).
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get_states(Nidx) ->
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node_hometree:get_states(Nidx).
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get_state(Nidx, JID) ->
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node_hometree:get_state(Nidx, JID).
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set_state(State) ->
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node_hometree:set_state(State).
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get_items(Nidx, From, RSM) ->
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node_hometree:get_items(Nidx, From, RSM).
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get_items(Nidx, JID, AccessModel, PresenceSubscription, RosterGroup, SubId, RSM) ->
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node_hometree:get_items(Nidx, JID, AccessModel,
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PresenceSubscription, RosterGroup, SubId, RSM).
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get_item(Nidx, ItemId) ->
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node_hometree:get_item(Nidx, ItemId).
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get_item(Nidx, ItemId, JID, AccessModel, PresenceSubscription, RosterGroup, SubId) ->
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node_hometree:get_item(Nidx, ItemId, JID, AccessModel,
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PresenceSubscription, RosterGroup, SubId).
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set_item(Item) ->
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node_hometree:set_item(Item).
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get_item_name(Host, Node, Id) ->
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node_hometree:get_item_name(Host, Node, Id).
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node_to_path(Node) ->
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[(Node)].
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path_to_node(Path) ->
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case Path of
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% default slot
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[Node] -> iolist_to_binary(Node);
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% handle old possible entries, used when migrating database content to new format
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[Node | _] when is_binary(Node) ->
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iolist_to_binary(str:join([<<"">> | Path], <<"/">>));
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% default case (used by PEP for example)
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_ -> iolist_to_binary(Path)
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end.
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