Mercurial > psgxs

annotate modules/mod_retrieve.js @ 54:c2c9c06d6e9d

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Fix problems with unneeded text nodes.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Fri, 06 May 2011 17:51:15 +0200
parents 0d3f18bb1d36
children addbf6bbfaa8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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 5.6: Retrieve Subscriptions
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23 exports.retrieveSubscriptions = {
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24 type: 'get',
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25 child: 'pubsub',
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26 ns: NS.PUBSUB,
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27 child2: 'subscriptions',
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28 func: function(response, stanza, request, to) {
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29 if (!config.enabled('retrieve-subscriptions'))
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30 return makeError(response, errors.subscriptions_retrieval_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 if (!storage.existsNode(nodeID))
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35 return makeError(response, errors.node_does_not_exist.n);
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36 var subs = storage.getSubscription(JID.toBare(to), nodeID);
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37 } else
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38 var subs = storage.getSubscription(JID.toBare(to));
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39
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40 response.c('pubsub', {xmlns: NS.PUBSUB})
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41 .c('subscriptions');
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42
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43 for (i in subs)
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44 response.c('subscription', {node: i, jid: to, subscription: subs[i].type, subid: subs[i].subid}).up();
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45
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46 return response;
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47 }
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48 }
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49
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50 // SECTION 5.7: Retrieve Affiliations
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51 exports.retrieveAffiliations = {
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52 type: 'get',
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53 child: 'pubsub',
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54 ns: NS.PUBSUB,
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55 child2: 'affiliations',
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56 func: function(response, stanza, request, to) {
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57 if (!config.enabled('retrieve-affiliations'))
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58 return makeError(response, errors.affiliations_retrieval_not_supported.n);
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59
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60 var nodeID = request.getAttribute('node');
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61 if (nodeID && nodeID != '') {
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62 if (!storage.existsNode(nodeID))
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63 return makeError(response, errors.node_does_not_exist.n);
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64 var affils = {};
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65 affils[nodeID] = storage.getAffiliation(JID.toBare(to), nodeID);
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66 } else
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67 var affils = storage.getAffiliationsFromJID(JID.toBare(to));
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68
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69 response.c('pubsub', {xmlns: NS.PUBSUB})
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70 .c('affiliations');
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71
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72 for (i in affils)
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73 response.c('affiliation', {node: i, affiliation: affils[i]}).up();
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74
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75 return response;
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76 }
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77 }
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78
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79 // SECTION 6.5: Retrieve Items from a Node
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80 exports.retrieveItems = {
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81 type: 'get',
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82 child: 'pubsub',
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83 ns: NS.PUBSUB,
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84 child2: 'items',
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85 func: function(response, stanza, request, to) {
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86 if (!config.enabled('retrieve-items'))
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87 return makeError(response, errors.sub.default_options.node_configuration_not_supported.n);
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88
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89 var nodeID = request.getAttribute('node');
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90 if (!nodeID || nodeID == '')
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91 return makeError(response, errors.nodeid_required.n);
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92 if (!storage.existsNode(nodeID))
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93 return makeError(response, errors.node_does_not_exist.n);
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94
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95 var configuration = storage.getConfiguration(nodeID);
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96 if (configuration['pubsub#access_model'] == 'whitelist') {
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97 var affil = storage.getAffiliation(JID.toBare(to), nodeID);
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98 if (affil != 'super-owner' && affil != 'owner' && affil != 'publisher' && affil != 'member')
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99 return makeError(response, errors.pub.publish.insufficient_privileges.n);
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100 }
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101
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102 var item = [];
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103 for (var i=0; i<request.tags.length; i++) {
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104 var j = request.tags[i];
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105 if (j.name == 'item' && j.attr['id'] && j.attr['id'] != '')
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106 item.push(j.attr['id']);
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107 }
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108
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109 response.c('pubsub', {xmlns: NS.PUBSUB});
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110
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111 var max_items = request.getAttribute('max_items');
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112 if (max_items)
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113 max_items = Number (max_items);
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114
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115 if (item.length) {
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116 response.c('items', {node: nodeID});
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117
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118 for (var i=0; i<item.length; i++) {
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119 var j = storage.getItem(nodeID, item[i]);
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120 if (typeof j == 'number')
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121 return makeError(response, j);
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122 if (j == errors.success)
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123 continue;
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124
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125 response.c('item', {id: item[i]})
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126 .cnode(j).up().up();
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127 }
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128 } else {
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129 response.c('items', {node: nodeID});
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130
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131 var j;
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132 if (max_items)
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133 j = storage.getLastItem(nodeID, max_items);
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134 else
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135 j = storage.getItems(nodeID);
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136 if (typeof j == 'number')
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137 return makeError(response, j);
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138
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139 var k = 0;
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140 for (var i in j)
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141 response.c('item', {id: i}).t(j[i].content).up();
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142 }
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
143
b80ab94da447 Add new modules files.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
144 return response;
b80ab94da447 Add new modules files.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
145 }
b80ab94da447 Add new modules files.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
146 }