annotate modules/mod_disco.js @ 57:addbf6bbfaa8

Various fixes for the migration to ltx.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Mon, 12 Sep 2011 23:45:00 +0200
parents 99bd1d1ac071
children
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1 /*
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2 * Copyright (C) 2010 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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3 *
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4 * This file is part of PSĜS, a PubSub server written in JavaScript.
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5 *
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6 * PSĜS is free software: you can redistribute it and/or modify
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7 * it under the terms of the GNU Affero General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License.
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10 *
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11 * PSĜS is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU Affero General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU Affero General Public License
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17 * along with PSĜS. If not, see <http://www.gnu.org/licenses/>.
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18 */
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19
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20 'use strict';
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21
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22 // SECTION 5.1: Discover Features
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23 exports.disco_info = {
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24 type: 'get',
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25 child: 'query',
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26 ns: NS.DISCO_INFO,
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27 func: function(response, stanza, request) {
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28 var nodeID = request.getAttribute('node');
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29
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30 // SECTION 5.3: Discover Node Information
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31 if (nodeID) {
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32 if (!storage.existsNode(nodeID))
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33 return makeError(response, errors.node_does_not_exist.n);
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34
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35 var conf = storage.getConfiguration(nodeID);
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36 if (typeof conf == 'number')
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37 return makeError(response, conf);
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38
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39 var type = 'leaf'
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40 if (conf['pubsub#node_type'])
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41 type = conf['pubsub#node_type'];
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42
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43 var query = new Element('query', {xmlns: NS.DISCO_INFO, node: nodeID})
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44 .c('identity', {category: 'pubsub', type: type}).up()
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45 .c('feature', {'var': NS.PUBSUB}).up();
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46
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47 response.cnode(query);
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48
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49 // SECTION 5.4
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50 if (config.enabled('meta-data')) {
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51 var x = forms.build('result', 'node_metadata', storage.getMetadata(nodeID), true);
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52 if (x)
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53 query.cnode(x);
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54 }
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55
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56 // SECTION 5.1: Discover Features
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57 } else {
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58 var query = new Element('query', {xmlns: NS.DISCO_INFO})
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59 .c('identity', {category: 'pubsub', type: 'service', name: 'PubSub JavaScript Server'}).up()
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60 .c('feature', {'var': NS.DISCO_INFO}).up()
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61 .c('feature', {'var': NS.DISCO_ITEMS}).up()
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62 .c('feature', {'var': NS.PUBSUB}).up()
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63 .c('feature', {'var': 'jabber:iq:version'}).up()
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64 .c('feature', {'var': NS.COMMANDS}).up();
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65
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66 response.cnode(query);
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67
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68 for (var i in config.activated)
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69 if (typeof i == 'string')
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70 query.c('feature', {'var': 'http://jabber.org/protocol/pubsub#' + config.activated[i]}).up();
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71 }
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72
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73 return response;
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74 }
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75 }
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76
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77 // SECTION 5.2: Discover Nodes
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78 exports.disco_items = {
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79 type: 'get',
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80 child: 'query',
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81 ns: NS.DISCO_ITEMS,
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82 func: function(response, stanza, request, to) {
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83 var children;
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84 var nodeID = request.getAttribute('node');
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85 if (nodeID && nodeID !== '') {
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86 if (nodeID == NS.COMMANDS) {
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87 // XEP-0050: Ad-Hoc Commands
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88
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89 var query = new Element('query', {xmlns: NS.DISCO_ITEMS, node: nodeID})
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90 .c('item', {jid: config.jid, node: 'ping', name: 'Ping'}).up()
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91 .c('item', {jid: config.jid, node: 'reload', name: 'Reload'}).up();
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92
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93 response.cnode(query);
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94
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95 return response;
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96 }
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97
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98 if (!storage.existsNode(nodeID))
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99 return makeError(response, errors.node_does_not_exist.n);
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100
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101 var query = new Element('query', {xmlns: NS.DISCO_ITEMS, node: nodeID});
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102 response.cnode(query);
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103
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104 children = storage.getChildren(nodeID);
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105 if (typeof children == 'number')
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106 return makeError(response, children);
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107 }
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108
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109 var query = new Element('query', {xmlns: NS.DISCO_ITEMS});
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110 response.cnode(query);
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111
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112 children = storage.getChildren();
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113 if (typeof children == 'number')
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114 return makeError(response, children);
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115
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116 for (var nodeID in children) {
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117 var attr = {jid: config.jid};
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118 if (children[nodeID] == 'node') {
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119 if (config.enabled('meta-data')) {
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120 var metadata = storage.getMetadata(nodeID);
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121 if (metadata['pubsub#title'])
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122 attr.name = metadata['pubsub#title'];
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123
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124 if (metadata['pubsub#creator'])
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125 attr.creator = metadata['pubsub#creator'];
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126
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127 if (config.hideNonAccessibleNodes) {
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128 var configuration = storage.getConfiguration(nodeID);
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129 if (configuration['pubsub#access_model'] == 'whitelist') {
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130 var affils = storage.getAffiliationsFromNodeID(nodeID);
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131 var affil = affils[JID.toBare(to)];
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132 if (!affil || affil == 'outcast')
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133 continue;
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134 }
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135 }
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136 }
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137 attr.node = nodeID;
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138
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139 // SECTION 5.5: Discover Items for a Node
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140 } else
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141 attr.name = nodeID;
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142
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addbf6bbfaa8 Various fixes for the migration to ltx.
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143 query.c('item', attr).up();
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144 }
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145
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146 return response;
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147 }
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148 }