Mercurial > psgxs

annotate modules/mod_retrieve.js @ 24:b80ab94da447

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Add new modules files.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Mon, 01 Nov 2010 00:02:27 +0100
parents
children b2faacfefb90
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24
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1 var config = require('../configuration');
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2 var storage = require('../storage');
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3 var errors = require('../errors');
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4 var makeError = errors.makeError;
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5 var toBareJID = require('../util').toBareJID;
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6 var NS = require('../namespaces');
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7
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8 // SECTION 5.6: Retrieve Subscriptions
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9 exports.retrieveSubscriptions = {
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10 type: 'get',
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11 child: 'pubsub',
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12 ns: NS.PUBSUB,
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13 pschild: 'subscriptions',
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14 func: function(response, stanza, request) {
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15 if (!config.enabled('retrieve-subscriptions'))
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16 return makeError(response, errors.subscriptions_retrieval_not_supported.n);
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17
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18 var nodeID = request.getAttribute('node');
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19 if (nodeID && nodeID != '') {
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20 if (!storage.existsNode(nodeID))
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21 return makeError(response, errors.node_does_not_exist.n);
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22 var subs = storage.getSubscription(toBareJID(to), node);
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23 } else
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24 var subs = storage.getSubscription(toBareJID(to));
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25
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26 response.c('pubsub', {xmlns: NS.PUBSUB});
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27 response.c('subscriptions');
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28
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29 for (i in subs)
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30 response.c('subscription', {node: i, jid: to, subscription: subs[i].type, subid: subs[i].subid}).up();
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31
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32 return response;
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33 }
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34 }
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35
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36 // SECTION 5.7: Retrieve Affiliations
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37 exports.retrieveAffiliations = {
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38 type: 'get',
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39 child: 'pubsub',
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40 ns: NS.PUBSUB,
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41 pschild: 'affiliations',
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42 func: function(response, stanza, request) {
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43 if (!config.enabled('retrieve-affiliations'))
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44 return makeError(response, errors.affiliations_retrieval_not_supported.n);
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45
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46 var nodeID = request.getAttribute('node');
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47 if (nodeID && nodeID != '') {
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48 if (!storage.existsNode(nodeID))
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49 return makeError(response, errors.node_does_not_exist.n);
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50 var affils = {};
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51 affils[nodeID] = storage.getAffiliation(toBareJID(to), nodeID);
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52 } else
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53 var affils = storage.getAffiliationsFromJID(toBareJID(to));
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54
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55 response.c('pubsub', {xmlns: NS.PUBSUB});
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56 response.c('affiliations');
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57
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58 for (i in affils)
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59 response.c('affiliation', {node: i, affiliation: affils[i]}).up();
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60
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61 return response;
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62 }
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63 }
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64
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65 // SECTION 6.5: Retrieve Items from a Node
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66 exports.retrieveItems = {
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67 type: 'get',
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68 child: 'pubsub',
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69 ns: NS.PUBSUB,
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70 pschild: 'items',
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71 func: function(response, stanza, request) {
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72 if (!config.enabled('retrieve-items'))
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73 return makeError(response, errors.sub.default_options.node_configuration_not_supported.n);
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74
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75 var nodeID = request.getAttribute('node');
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76 if (!nodeID || nodeID == '')
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77 return makeError(response, errors.nodeid_required.n);
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78 if (!storage.existsNode(nodeID))
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79 return makeError(response, errors.node_does_not_exist.n);
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80
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81 var configuration = storage.getConfiguration(nodeID);
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82 if (configuration['pubsub#access_model'] == 'whitelist') {
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83 var affil = storage.getAffiliation(toBareJID(to), nodeID);
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84 if (affil != 'super-owner' && affil != 'owner' && affil != 'publisher' && affil != 'member')
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85 return makeError(response, errors.pub.publish.insufficient_privileges.n);
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86 }
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87
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88 var item = [];
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89 for (var i=0; i<request.children.length; i++) {
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90 var j = request.children[i];
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91 if (j.name == 'item' && j.attr['id'] && j.attr['id'] != '')
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92 item.push(j.attr['id']);
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93 }
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94
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95 response.c('pubsub', {xmlns: NS.PUBSUB});
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96
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97 var max_items = request.getAttribute('max_items');
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98 if (max_items)
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99 max_items = Number (max_items);
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100
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101 if (item.length) {
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102 response.c('items', {node: nodeID});
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103
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104 for (var i=0; i<item.length; i++) {
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105 var j = storage.getItem(nodeID, item[i]);
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106 if (typeof j == 'number')
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107 return makeError(response, j);
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108 if (j == errors.success)
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109 continue;
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110
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111 response.c('item', {id: item[i]})
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112 response.cnode(j).up().up();
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113 }
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114 } else {
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115 response.c('items', {node: nodeID});
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116
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117 var j;
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118 if (max_items)
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119 j = storage.getLastItem(nodeID, max_items);
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120 else
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121 j = storage.getItems(nodeID);
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122 if (typeof j == 'number')
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123 return makeError(response, j);
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124
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125 var k = 0;
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126 for (var i in j)
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127 response.c('item', {id: i}).t(j[i].content).up();
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128 }
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129
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130 return response;
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131 }
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132 }