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https://github.com/processone/ejabberd.git
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c3c782d882
* src/ejabberd_local.erl: Support for IQ responses * src/jlib.erl: Added iq_query_or_response_info/1 function * src/jlib.hrl: Added NS_PUBSUB_ERRORS and NS_CAPS * src/mod_pubsub/Makefile.in: New pubsub+pep implementation (thanks to Christophe Romain and Magnus Henoch) * src/ejabberd_sm.erl: Added get_session_pid/3 function * src/ejabberd_c2s.erl: Added get_subscribed_and_online/1 function SVN Revision: 1004
120 lines
3.9 KiB
Erlang
120 lines
3.9 KiB
Erlang
%%% ====================================================================
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%%% This software is copyright 2007, Process-one.
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%%%
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%%% @copyright 2007 Process-one
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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 PubSub node tree plugin that
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%%% allow virtual nodes handling.
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%%% <p>PubSub node tree plugins are using the {@link gen_nodetree} behaviour.</p>
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%%% <p><strong>The API isn't stabilized yet</strong>. The pubsub plugin
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%%% development is still a work in progress. However, the system is already
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%%% useable and useful as is. Please, send us comments, feedback and
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%%% improvements.</p>
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-module(nodetree_virtual).
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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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-behaviour(gen_pubsub_nodetree).
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-export([init/3,
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terminate/2,
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options/0,
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set_node/1,
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get_node/2,
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get_nodes/1,
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get_subnodes/2,
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get_subnodes_tree/2,
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create_node/5,
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delete_node/2
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]).
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%% ================
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%% API definition
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%% ================
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%% @spec (Host) -> any()
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%% Host = mod_pubsub:host()
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%% ServerHost = host()
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%% Opts = list()
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%% @doc <p>Called during pubsub modules initialisation. Any pubsub plugin must
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%% implement this function. It can return anything.</p>
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%% <p>This function is mainly used to trigger the setup task necessary for the
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%% plugin. It can be used for example by the developer to create the specific
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%% module database schema if it does not exists yet.</p>
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init(_Host, _ServerHost, _Opts) ->
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ok.
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terminate(_Host, _ServerHost) ->
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ok.
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%% @spec () -> [Option]
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%% Option = mod_pubsub:nodetreeOption()
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%% @doc <p>Returns the default pubsub node tree options.</p>
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options() ->
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[{virtual_tree, true}].
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%% @spec (NodeRecord) -> ok | {error, Reason}
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%% NodeRecord = mod_pubsub:pubsub_node()
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%% @doc <p>No node record is stored on database. Just do nothing.</p>
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set_node(_NodeRecord) ->
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ok.
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%% @spec (Host, Node) -> pubsubNode()
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%% Host = mod_pubsub:host()
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%% Node = mod_pubsub:pubsubNode()
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%% @doc <p>Virtual node tree does not handle a node database. Any node is considered
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%% as existing. Node record contains default values.</p>
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get_node(Host, Node) ->
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#pubsub_node{nodeid = {Host, Node}}.
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%% @spec (Key) -> [pubsubNode()]
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%% Host = mod_pubsub:host() | mod_pubsub:jid()
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%% @doc <p>Virtual node tree does not handle a node database. Any node is considered
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%% as existing. Nodes list can not be determined.</p>
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get_nodes(_Key) ->
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[].
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%% @spec (Host, Index) -> [pubsubNode()]
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%% Host = mod_pubsub:host()
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%% Node = mod_pubsub:pubsubNode()
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%% @doc <p>Virtual node tree does not handle parent/child. Child list is empty.</p>
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get_subnodes(_Host, _Node) ->
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[].
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%% @spec (Host, Index) -> [pubsubNode()]
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%% Host = mod_pubsub:host()
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%% Node = mod_pubsub:pubsubNode()
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%% @doc <p>Virtual node tree does not handle parent/child. Child list is empty.</p>
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get_subnodes_tree(_Host, _Node) ->
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[].
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%% @spec (Host, Node, Type, Owner, Options) -> ok
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%% Host = mod_pubsub:host()
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%% Node = mod_pubsub:pubsubNode()
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%% Type = mod_pubsub:nodeType()
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%% Owner = mod_pubsub:jid()
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%% Options = list()
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%% @doc <p>No node record is stored on database. Any valid node
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%% is considered as already created.</p>
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%% <p>default allowed nodes: /home/host/user/any/node/name</p>
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create_node(_Host, Node, _Type, {UserName, UserHost, _}, _Options) ->
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case Node of
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["home", UserHost, UserName | _] -> {error, ?ERR_CONFLICT};
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_ -> {error, ?ERR_NOT_ALLOWED}
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end.
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%% @spec (Host, Node) -> [mod_pubsub:node()]
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%% Host = mod_pubsub:host()
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%% Node = mod_pubsub:pubsubNode()
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%% @doc <p>Virtual node tree does not handle parent/child.
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%% node deletion just affects the corresponding node.</p>
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delete_node(_Host, Node) ->
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[Node].
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