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annotate modules/mod_publish.js @ 30:b2faacfefb90

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Rewrite of the module manager; fix of some modules; fix of the directory backend.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Thu, 04 Nov 2010 17:50:52 +0100
parents b80ab94da447
children 62cbb1c49bc5
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1 var config = require('../configuration');
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2 var storage = require('../storage');
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3 var toBareJID = require('../util').toBareJID;
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4 var NS = require('../namespaces');
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5
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6 // SECTION 7.1: Publish an Item to a Node
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7 exports.retrieveSub = {
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8 type: 'set',
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9 child: 'pubsub',
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10 ns: NS.PUBSUB,
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11 child2: 'publish',
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12 func: function(response, stanza, request, to) {
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13 if (!config.enabled('publish'))
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14 return makeError(response, errors.pub.publish.item_publication_not_supported.n);
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15
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16 var nodeID = request.getAttribute('node');
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17 if (!nodeID || nodeID == '')
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18 return makeError(response, errors.nodeid_required.n);
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19
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20 var autocreate = false;
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21 if (!storage.existsNode(nodeID)) {
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22 if (config.enabled('auto-create'))
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23 autocreate = true;
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24 else
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25 return makeError(response, errors.node_does_not_exist.n);
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26 }
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27
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28 var affil = storage.getAffiliation(toBareJID(to), nodeID);
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29 if (typeof affil == 'number' && affil != errors.node_does_not_exist.n)
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30 return makeError(response, affil);
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31 if (!autocreate && affil != 'super-owner' && affil != 'owner' && affil != 'publisher' && affil != 'publish-only')
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32 return makeError(response, errors.forbidden.n);
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33
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34 var item = request.getChild('item');
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35 var itemID = item.getAttribute('id');
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36 if (!config.enabled('item-ids') && itemID)
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37 return makeError(response, errors.itemid_required.n);
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38 itemID = itemID? itemID: utils.makeRandomId();
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39
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40 if (item.tags.length != 1)
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41 return makeError(response, errors.pub.publish.bad_payload.n);
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42
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43 var conf = storage.getConfiguration(nodeID);
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44 var publishOptions = pubsub.getChild('publish-options');
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45 if (publishOptions && config.enabled('publish-options')) {
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46 var x = publishOptions.getChild('x', 'jabber:x:data');
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47 if (!x || x.getAttribute('type') != 'submit')
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48 return makeError(response, errors.bad_request.n);
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49
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50 var form = forms.parse(x, true);
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51 if (form.access_model != conf['pubsub#access_model'] && !autocreate)
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52 return makeError(response, errors.pub.configuration.precondition.n);
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53 }
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54
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55 if (!config.enabled('persistent-items')) {
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56 var notifs = storage.purgeNode(nodeID);
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57 if (typeof notifs == 'number')
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58 return makeError(response, r);
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59 }
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60
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61 if (autocreate) {
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62 if (!form)
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63 form = {};
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64 form['pubsub#creator'] = toBareJID(to);
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65
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66 var r = storage.createNode(nodeID, form);
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67 if (typeof r == 'number')
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68 return makeError(response, r);
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69 }
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70
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71 var content = item.getChild();
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72
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73 subscribers = storage.setItem(nodeID, itemID, content);
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74 if (typeof subscribers == 'number')
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75 return makeError(response, subscribers);
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76
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77 var attrs = {};
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78 if (content)
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79 attrs[itemID] = {content: content};
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80 else
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81 attrs[itemID] = {};
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82 notifs.send(subscribers, 'items', nodeID, attrs);
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83
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84 response.c('pubsub', {xmlns: NS.PUBSUB})
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85 .c('publish', {node: nodeID})
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86 .c('item', {id: itemID});
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87
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88 return response;
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89 }
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90 }
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91
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92 // SECTION 7.2: Delete an Item from a Node
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93 exports.retrieveSub = {
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94 type: 'set',
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95 child: 'pubsub',
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96 ns: NS.PUBSUB,
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97 child2: 'retract',
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98 func: function(response, stanza, request, to) {
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99 if (!config.enabled('retract-items'))
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100 return makeError(response, errors.pub.retract.item_deletion_not_supported.n);
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101
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102 var nodeID = request.getAttribute('node');
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103 if (!nodeID || nodeID == '')
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104 return makeError(response, errors.nodeid_required.n);
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105 if (!storage.existsNode(nodeID))
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106 return makeError(response, errors.node_does_not_exist.n);
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107
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108 var item = request.getChild('item');
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109 if (!item)
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110 return makeError(response, errors.pub.retract.item_or_itemid_required.n);
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111
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112 var itemID = item.getAttribute('id')
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113 if (!itemID || itemID == '')
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114 return makeError(response, errors.pub.retract.item_or_itemid_required.n);
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115
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116 var affil = storage.getAffiliation(toBareJID(to), nodeID);
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117 if (affil != 'super-owner' && affil != 'owner' && affil != 'publish-only')
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118 return makeError(response, errors.forbidden.n);
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119
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120 var subscribers = storage.deleteItem(nodeID, itemID);
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121 if (typeof subscribers == 'number')
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122 return makeError(response, subscribers);
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123
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124 var attrs = {};
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125 attrs[itemID] = {};
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126 notifs.send(subscribers, 'items', nodeID, attrs, 'retract')
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127
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128 return response;
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129 }
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130 }