Mercurial > psgxs

annotate modules/mod_subscribe.js @ 58:b98e545a94f7 default tip

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author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Tue, 13 Sep 2011 00:54:55 +0200
parents addbf6bbfaa8
children
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43
023f767662d3 Fix compatibility with strict mode of node 0.4 and some files without licence header.
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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
24
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22 // SECTION 6.1: Subscribe to a Node
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23 exports.subscribe = {
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24 type: 'set',
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25 child: 'pubsub',
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26 ns: NS.PUBSUB,
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27 child2: 'subscribe',
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28 func: function(response, attrs, request, to) {
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29 if (!config.enabled('subscribe'))
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30 return makeError(response, errors.sub.subscribe.not_supported.n);
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31
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32 var nodeID = request.getAttribute('node');
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33 if (!nodeID || nodeID == '')
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34 return makeError(response, errors.nodeid_required.n);
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35 if (!storage.existsNode(nodeID))
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36 return makeError(response, errors.node_does_not_exist.n);
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37
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38 var configuration = storage.getConfiguration(nodeID);
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39 if (!configuration['pubsub#subscribe'])
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40 return makeError(response, errors.sub.subscribe.not_supported.n);
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41
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42 var affil = storage.getAffiliation(JID.toBare(to), nodeID);
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43 if (affil == 'publish-only' || affil == 'outcast')
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44 return makeError(response, errors.pub.publish.insufficient_privileges.n);
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45
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46 var jid = request.getAttribute('jid');
47
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47 if (!jid || JID.toBare(jid) != JID.toBare(to))
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48 return makeError(response, errors.sub.subscribe.jids_do_not_match.n);
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49
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50 /*
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51 // SECTION 6.3.7
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52 var options = pubsub.getChild('options');
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53 if (options && config.enabled('subscription-options')) {
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54 if (options.getAttribute('node') || options.getAttribute('jid'))
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55 return makeError(response, errors.bad_request.n);
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56
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57 var x = options.getChild('x', 'jabber:x:data');
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58 if (!x || x.getAttribute('type') != 'submit')
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59 return makeError(response, errors.bad_request.n);
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60
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61 var form = forms.parse(x, true);
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62 if (typeof form == 'number')
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63 return makeError(response, form);
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64
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65 var conf = form;
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66 }*/
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67
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68 var subID;
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69 if (configuration['pubsub#access_model'] == 'open') {
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70 subID = storage.subscribe(nodeID, jid, 'subscribe');
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71 if (typeof subID == 'number')
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72 return makeError(response, subID);
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73 } else if (configuration['pubsub#access_model'] == 'authorize') {
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74 subID = storage.subscribe(nodeID, jid, 'pending');
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75 if (typeof subID == 'number')
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76 return makeError(response, subID);
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77
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78 var affiliates = storage.getAffiliationsFromNodeID(nodeID);
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79 var form = forms.build('form', 'subscribe_authorization', {allow: false, node: nodeID, subscriber_jid: jid}, true); //168
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80
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81 for (var i in affiliates) {
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82 if (affiliates[i] == 'super-owner' || affiliates[i] == 'owner') {
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83 var message = xmpp.message({to: i}).cnode(form);
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84 conn.send(message); // FIXME: impossible à faire d’ici
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85 }
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86 }
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87 } else if (configuration['pubsub#access_model'] == 'whitelist') {
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88 var affil = storage.getAffiliation(jid, nodeID);
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89 if (affil != 'super-owner' && affil != 'owner' && affil != 'publisher' && affil != 'member')
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90 return makeError(response, errors.sub.subscribe.not_on_whitelist.n);
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91
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92 subID = storage.subscribe(nodeID, jid);
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93 if (typeof subID == 'number')
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94 return makeError(response, subID);
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95 }
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96
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97 response.c('pubsub', {xmlns: NS.PUBSUB})
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98 .c('subscription', {node: nodeID, jid: jid, subid: subID.subid, subscription: subID.type});
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99
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100 if (config.enabled('last-published')) {
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101 var last = storage.getLastItem(nodeID);
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102 if (typeof last != 'number') {
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103 var item = storage.getItem(nodeID, last);
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104 if (typeof item != 'number') {
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105 var attr = {};
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106 attr[last] = {content: item};
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107 notifs.send(jid, 'items', nodeID, attr);
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108 }
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109 }
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110 }
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111
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112 return response;
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113 }
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114 }
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115
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116 // SECTION 6.2: Unsubscribe from a Node
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117 exports.unsubscribe = {
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118 type: 'set',
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119 child: 'pubsub',
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120 ns: NS.PUBSUB,
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121 child2: 'unsubscribe',
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122 func: function(response, stanza, request, to) {
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123 if (!config.enabled('subscribe'))
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124 return makeError(response, errors.sub.subscribe.not_supported.n);
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125
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126 var nodeID = request.getAttribute('node');
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127 if (!nodeID || nodeID == '')
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128 return makeError(response, errors.nodeid_required.n);
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129 if (!storage.existsNode(nodeID))
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130 return makeError(response, errors.node_does_not_exist.n);
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131
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132 var jid = request.getAttribute('jid');
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133 if (!jid || JID.toBare(jid) != JID.toBare(to))
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134 return makeError(response, errors.sub.unsubscribe.insufficient_privileges.n);
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135
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136 var subID = storage.subscribe(nodeID, jid, 'none');
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137 if (typeof subID == 'number')
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138 return makeError(response, subID);
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139
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140 return response;
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141 }
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142 }