prosody
d336b28b4002
plugins/mod_pubsub/mod_pubsub.lua

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plugins/mod_pubsub/mod_pubsub.lua @ 11395:d336b28b4002

mod_http_errors: Style tweak Weird to have the background all the way to the edge of the viewport. Would be nice if this could be done without the extra span.
author Kim Alvefur <zash@zash.se>
date Sun, 21 Feb 2021 07:59:17 +0100
parent 11202:58492b4b85ea
child 11631:6641ca266d94
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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8416d4619d80 mod_pubsub: Split out handlers into a module library
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1 local pubsub = require "util.pubsub";
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2 local st = require "util.stanza";
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3 local jid_bare = require "util.jid".bare;
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4 local usermanager = require "core.usermanager";
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f2d35eee69c9 mod_pubsub: Set an id attribute on outgoing event messages
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parents: 8808
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5 local new_id = require "util.id".medium;
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8e68136cde08 mod_pubsub: Simplify configuration for node data (see #1302)
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parents: 9597
diff changeset
6 local storagemanager = require "core.storagemanager";
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7
8416d4619d80 mod_pubsub: Split out handlers into a module library
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8 local xmlns_pubsub = "http://jabber.org/protocol/pubsub";
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9 local xmlns_pubsub_event = "http://jabber.org/protocol/pubsub#event";
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10 local xmlns_pubsub_owner = "http://jabber.org/protocol/pubsub#owner";
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11
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12 local autocreate_on_publish = module:get_option_boolean("autocreate_on_publish", false);
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13 local autocreate_on_subscribe = module:get_option_boolean("autocreate_on_subscribe", false);
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879be73c0a58 mod_pubsub: Fix syntax error introduced in 241f02bd66ce
Matthew Wild <mwild1@gmail.com>
parents: 7980
diff changeset
14 local pubsub_disco_name = module:get_option_string("name", "Prosody PubSub Service");
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c9a72c64c3e2 mod_pubsub: Add support for including the publisher in item broadcasts
Philipp Hancke <fippo@goodadvice.pages.de>
parents: 6446
diff changeset
15 local expose_publisher = module:get_option_boolean("expose_publisher", false)
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16
8416d4619d80 mod_pubsub: Split out handlers into a module library
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17 local service;
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18
8416d4619d80 mod_pubsub: Split out handlers into a module library
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19 local lib_pubsub = module:require "pubsub";
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20
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630e7224a65f mod_pubsub: Utilize mod_disco, instead of reimplementing disco handling
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21 module:depends("disco");
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22 module:add_identity("pubsub", "service", pubsub_disco_name);
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23 module:add_feature("http://jabber.org/protocol/pubsub");
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24
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25 function handle_pubsub_iq(event)
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26 return lib_pubsub.handle_pubsub_iq(event, service);
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27 end
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28
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86f31a2174b3 mod_pubsub: Add comment to document nodestore/itemstore methods
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parents: 9101
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29 -- An itemstore supports the following methods:
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30 -- items(): iterator over (id, item)
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31 -- get(id): return item with id
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32 -- set(id, item): set id to item
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33 -- clear(): clear all items
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34 -- resize(n): set new limit and trim oldest items
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35 -- tail(): return the latest item
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36
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37 -- A nodestore supports the following methods:
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38 -- set(node_name, node_data)
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39 -- get(node_name)
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40 -- users(): iterator over (node_name)
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41
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42
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80b8355c8b8b mod_pubsub: Add nodestore to service configuration
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parents: 8503
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43 local node_store = module:open_store(module.name.."_nodes");
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44
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8a29e7206917 mod_pubsub: Comment on itemstore type
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45 local function create_simple_itemstore(node_config, node_name) --> util.cache like object
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8e68136cde08 mod_pubsub: Simplify configuration for node data (see #1302)
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parents: 9597
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46 local driver = storagemanager.get_driver(module.host, "pubsub_data");
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47 local archive = driver:open("pubsub_"..node_name, "archive");
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3b86134c56ea mod_pubsub: Some variable renames for clarity
Matthew Wild <mwild1@gmail.com>
parents: 8340
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48 return lib_pubsub.archive_itemstore(archive, node_config, nil, node_name);
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e1272aeef31c mod_pubsub: Add item persistence using mod_storage_*’s archive store.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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49 end
e1272aeef31c mod_pubsub: Add item persistence using mod_storage_*’s archive store.
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parents: 8210
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50
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51 function simple_broadcast(kind, node, jids, item, actor, node_obj)
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52 if node_obj then
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parents: 9179
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53 if node_obj.config["notify_"..kind] == false then
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54 return;
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55 end
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parents: 9179
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56 end
9179
82fad995a149 util.pubsub: Pass "retract" as the type of such broadcasts
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parents: 9158
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57 if kind == "retract" then
82fad995a149 util.pubsub: Pass "retract" as the type of such broadcasts
Kim Alvefur <zash@zash.se>
parents: 9158
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58 kind = "items"; -- XEP-0060 signals retraction in an <items> container
82fad995a149 util.pubsub: Pass "retract" as the type of such broadcasts
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parents: 9158
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59 end
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parents: 9158
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60
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61 if item then
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62 item = st.clone(item);
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63 item.attr.xmlns = nil; -- Clear the pubsub namespace
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bd452e4f5a13 mod_pubsub: Only attach publisher on normal "item" broadcasts
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parents: 9181
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64 if kind == "items" then
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ef2616ade453 mod_pubsub: Add support for thin notifications (without the full payload)
Kim Alvefur <zash@zash.se>
parents: 9187
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65 if node_obj and node_obj.config.include_payload == false then
ef2616ade453 mod_pubsub: Add support for thin notifications (without the full payload)
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parents: 9187
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66 item:maptags(function () return nil; end);
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67 end
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68 if expose_publisher and actor then
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69 item.attr.publisher = actor
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70 end
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parents: 6446
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71 end
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72 end
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73
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parents: 8808
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74 local id = new_id();
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Kim Alvefur <zash@zash.se>
parents: 11199
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75 local msg_type = node_obj and node_obj.config.notification_type or "headline";
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76 local message = st.message({ from = module.host, type = msg_type, id = id })
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77 :tag("event", { xmlns = xmlns_pubsub_event })
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parents: 9597
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78 :tag(kind, { node = node });
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parents: 8815
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79
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parents: 8815
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80 if item then
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81 message:add_child(item);
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82 end
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83
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parents: 8980
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84 local summary;
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parents: 8980
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85 if item and item.tags[1] then
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parents: 8814
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86 local payload = item.tags[1];
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87 summary = module:fire_event("pubsub-summary/"..payload.attr.xmlns, {
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88 kind = kind, node = node, jids = jids, actor = actor, item = item, payload = payload,
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89 });
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90 end
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parents: 8814
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91
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Kim Alvefur <zash@zash.se>
parents: 8980
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92 for jid, options in pairs(jids) do
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Kim Alvefur <zash@zash.se>
parents: 8980
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93 local new_stanza = st.clone(message);
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18cd5102253c mod_pubsub: Skip checks for adding body if no body generated
Kim Alvefur <zash@zash.se>
parents: 9043
diff changeset
94 if summary and type(options) == "table" and options["pubsub#include_body"] then
9039
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Kim Alvefur <zash@zash.se>
parents: 8980
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95 new_stanza:body(summary);
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parents: 8980
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96 end
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Kim Alvefur <zash@zash.se>
parents: 8980
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97 new_stanza.attr.to = jid;
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parents: 8980
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98 module:send(new_stanza);
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parents: 8980
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99 end
5626
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100 end
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parents:
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101
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e01c7d0cbbf4 mod_pubsub: Add configurable maximum on number of items
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parents: 9045
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102 local max_max_items = module:get_option_number("pubsub_max_items", 256);
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Kim Alvefur <zash@zash.se>
parents: 9720
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103 function check_node_config(node, actor, new_config) -- luacheck: ignore 212/node 212/actor
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parents: 9045
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104 if (new_config["max_items"] or 1) > max_max_items then
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105 return false;
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106 end
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Kim Alvefur <zash@zash.se>
parents: 9724
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107 if new_config["access_model"] ~= "whitelist"
8ad689b6d26f mod_pubsub: Split line in config check to improve readability
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parents: 9724
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108 and new_config["access_model"] ~= "open" then
9101
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Kim Alvefur <zash@zash.se>
parents: 9100
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109 return false;
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parents: 9100
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110 end
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parents: 9045
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111 return true;
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parents: 9045
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112 end
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Kim Alvefur <zash@zash.se>
parents: 9045
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113
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Kim Alvefur <zash@zash.se>
parents: 8505
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114 function is_item_stanza(item)
10672
657e61531b33 mod_pubsub, mod_pep: Ensure correct number of children of <item/> (fixes #1496)
Kim Alvefur <zash@zash.se>
parents: 9828
diff changeset
115 return st.is_stanza(item) and item.attr.xmlns == xmlns_pubsub and item.name == "item" and #item.tags == 1;
8695
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Kim Alvefur <zash@zash.se>
parents: 8505
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116 end
09e7fd8b16cd mod_pubsub: Reject publishing of non-items
Kim Alvefur <zash@zash.se>
parents: 8505
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117
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d7cae7187943 mod_pubsub: Move a comment to where it makes sense
Kim Alvefur <zash@zash.se>
parents: 9829
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118 -- Compose a textual representation of Atom payloads
9045
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parents: 9044
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119 module:hook("pubsub-summary/http://www.w3.org/2005/Atom", function (event)
9234
d00e8ec7ece2 mod_pubsub: Fix summary generation for Atom entries to use the correct field
Kim Alvefur <zash@zash.se>
parents: 9188
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120 local payload = event.payload;
9045
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Kim Alvefur <zash@zash.se>
parents: 9044
diff changeset
121 local title = payload:get_child_text("title");
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parents: 9044
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122 local summary = payload:get_child_text("summary");
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parents: 9044
diff changeset
123 if not summary and title then
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124 local author = payload:find("author/name#");
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125 summary = title;
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126 if author then
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127 summary = author .. " posted " .. summary;
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128 end
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129 end
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130 return summary;
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131 end, -1);
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132
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133 module:hook("iq/host/"..xmlns_pubsub..":pubsub", handle_pubsub_iq);
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134 module:hook("iq/host/"..xmlns_pubsub_owner..":pubsub", handle_pubsub_iq);
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135
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Matthew Wild <mwild1@gmail.com>
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136 local function add_disco_features_from_service(service) --luacheck: ignore 431/service
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7c1fb8c042dc mod_pubsub: Move service feature dection to pubsub.lib to allow reuse
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parents: 8339
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137 for feature in lib_pubsub.get_feature_set(service) do
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138 module:add_feature(xmlns_pubsub.."#"..feature);
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139 end
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140 end
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141
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142 module:hook("host-disco-info-node", function (event)
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parents: 8957
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143 return lib_pubsub.handle_disco_info_node(event, service);
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144 end);
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145
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146 module:hook("host-disco-items-node", function (event)
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147 return lib_pubsub.handle_disco_items_node(event, service);
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148 end);
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149
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150
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151 module:hook("host-disco-items", function (event)
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352d605b1178 mod_pubsub: Fix a few warnings [luacheck]
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 7984
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152 local stanza, reply = event.stanza, event.reply;
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parents: 7984
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153 local ok, ret = service:get_nodes(stanza.attr.from);
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154 if not ok then
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parents: 5690
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155 return;
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156 end
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157 for node, node_obj in pairs(ret) do
9597
17d43543f9b6 pubsub: Set pubsub#title as name attribute in disco#items (fixes #1226)
Kim Alvefur <zash@zash.se>
parents: 9234
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158 reply:tag("item", { jid = module.host, node = node, name = node_obj.config.title }):up();
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159 end
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160 end);
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161
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162 local admin_aff = module:get_option_string("default_admin_affiliation", "owner");
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c420a38db5ef Backed out changeset f1af4edd5722, doesn't work as intended (node is the name of the node and always present)
Kim Alvefur <zash@zash.se>
parents: 6841
diff changeset
163 local function get_affiliation(jid)
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164 local bare_jid = jid_bare(jid);
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165 if bare_jid == module.host or usermanager.is_admin(bare_jid, module.host) then
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166 return admin_aff;
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167 end
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168 end
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169
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parents: 9108
diff changeset
170 function get_service()
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171 return service;
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172 end
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173
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174 function set_service(new_service)
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175 service = new_service;
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176 module.environment.service = service;
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177 add_disco_features_from_service(service);
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178 end
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179
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180 function module.save()
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181 return { service = service };
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182 end
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183
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184 function module.restore(data)
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185 set_service(data.service);
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186 end
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187
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188 function module.load()
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189 if module.reloading then return; end
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190
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diff changeset
191 set_service(pubsub.new({
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192 autocreate_on_publish = autocreate_on_publish;
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193 autocreate_on_subscribe = autocreate_on_subscribe;
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parents:
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194
8504
80b8355c8b8b mod_pubsub: Add nodestore to service configuration
Matthew Wild <mwild1@gmail.com>
parents: 8503
diff changeset
195 nodestore = node_store;
8503
3b86134c56ea mod_pubsub: Some variable renames for clarity
Matthew Wild <mwild1@gmail.com>
parents: 8340
diff changeset
196 itemstore = create_simple_itemstore;
5690
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diff changeset
197 broadcaster = simple_broadcast;
8695
09e7fd8b16cd mod_pubsub: Reject publishing of non-items
Kim Alvefur <zash@zash.se>
parents: 8505
diff changeset
198 itemcheck = is_item_stanza;
9100
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Kim Alvefur <zash@zash.se>
parents: 9045
diff changeset
199 check_node_config = check_node_config;
5690
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parents: 5626
diff changeset
200 get_affiliation = get_affiliation;
5626
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201
5690
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diff changeset
202 normalize_jid = jid_bare;
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diff changeset
203 }));
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diff changeset
204 end