Mercurial > psgxs

annotate modules/mod_retrieve.js @ 38:5395a501c991

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author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Tue, 16 Nov 2010 19:00:15 +0100
parents 45d0cd9388ea
children 4c808bfe0658
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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('../fdsq').toBareJID;
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6 var NS = require('../namespaces');
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7
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8 console.log(require('sys').inspect(toBareJID, false, null));
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9
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10 // SECTION 5.6: Retrieve Subscriptions
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11 exports.retrieveSubscriptions = {
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12 type: 'get',
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13 child: 'pubsub',
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14 ns: NS.PUBSUB,
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15 child2: 'subscriptions',
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16 func: function(response, stanza, request, to) {
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17 if (!config.enabled('retrieve-subscriptions'))
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18 return makeError(response, errors.subscriptions_retrieval_not_supported.n);
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19
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20 var nodeID = request.getAttribute('node');
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21 if (nodeID && nodeID != '') {
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22 if (!storage.existsNode(nodeID))
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23 return makeError(response, errors.node_does_not_exist.n);
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24 var subs = storage.getSubscription(toBareJID(to), node);
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25 } else
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26 var subs = storage.getSubscription(toBareJID(to));
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28 response.c('pubsub', {xmlns: NS.PUBSUB});
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29 response.c('subscriptions');
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31 for (i in subs)
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32 response.c('subscription', {node: i, jid: to, subscription: subs[i].type, subid: subs[i].subid}).up();
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33
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34 return response;
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35 }
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36 }
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38 // SECTION 5.7: Retrieve Affiliations
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39 exports.retrieveAffiliations = {
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40 type: 'get',
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41 child: 'pubsub',
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42 ns: NS.PUBSUB,
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43 child2: 'affiliations',
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44 func: function(response, stanza, request, to) {
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45 if (!config.enabled('retrieve-affiliations'))
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46 return makeError(response, errors.affiliations_retrieval_not_supported.n);
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47
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48 var nodeID = request.getAttribute('node');
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49 if (nodeID && nodeID != '') {
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50 if (!storage.existsNode(nodeID))
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51 return makeError(response, errors.node_does_not_exist.n);
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52 var affils = {};
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53 affils[nodeID] = storage.getAffiliation(toBareJID(to), nodeID);
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54 } else
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55 var affils = storage.getAffiliationsFromJID(toBareJID(to));
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57 response.c('pubsub', {xmlns: NS.PUBSUB});
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58 response.c('affiliations');
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59
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60 for (i in affils)
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61 response.c('affiliation', {node: i, affiliation: affils[i]}).up();
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62
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63 return response;
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64 }
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65 }
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67 // SECTION 6.5: Retrieve Items from a Node
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68 exports.retrieveItems = {
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69 type: 'get',
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70 child: 'pubsub',
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71 ns: NS.PUBSUB,
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72 child2: 'items',
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73 func: function(response, stanza, request, to) {
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74 if (!config.enabled('retrieve-items'))
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75 return makeError(response, errors.sub.default_options.node_configuration_not_supported.n);
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76
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77 var nodeID = request.getAttribute('node');
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78 if (!nodeID || nodeID == '')
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79 return makeError(response, errors.nodeid_required.n);
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80 if (!storage.existsNode(nodeID))
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81 return makeError(response, errors.node_does_not_exist.n);
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82
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83 var configuration = storage.getConfiguration(nodeID);
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84 if (configuration['pubsub#access_model'] == 'whitelist') {
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85 var affil = storage.getAffiliation(toBareJID(to), nodeID);
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86 if (affil != 'super-owner' && affil != 'owner' && affil != 'publisher' && affil != 'member')
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87 return makeError(response, errors.pub.publish.insufficient_privileges.n);
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88 }
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89
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90 var item = [];
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91 for (var i=0; i<request.children.length; i++) {
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92 var j = request.children[i];
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93 if (j.name == 'item' && j.attr['id'] && j.attr['id'] != '')
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94 item.push(j.attr['id']);
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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
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99 var max_items = request.getAttribute('max_items');
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100 if (max_items)
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101 max_items = Number (max_items);
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102
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103 if (item.length) {
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104 response.c('items', {node: nodeID});
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105
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106 for (var i=0; i<item.length; i++) {
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107 var j = storage.getItem(nodeID, item[i]);
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108 if (typeof j == 'number')
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109 return makeError(response, j);
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110 if (j == errors.success)
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111 continue;
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112
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113 response.c('item', {id: item[i]})
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114 response.cnode(j).up().up();
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115 }
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116 } else {
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117 response.c('items', {node: nodeID});
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118
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119 var j;
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120 if (max_items)
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121 j = storage.getLastItem(nodeID, max_items);
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122 else
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123 j = storage.getItems(nodeID);
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124 if (typeof j == 'number')
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125 return makeError(response, j);
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126
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127 var k = 0;
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128 for (var i in j)
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129 response.c('item', {id: i}).t(j[i].content).up();
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130 }
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131
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132 return response;
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133 }
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134 }