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annotate modules/mod_subscribe.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 6697f394301f
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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 6.1: Subscribe to a Node
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9 exports.subscribe = {
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10 type: 'set',
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11 child: 'pubsub',
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12 ns: NS.PUBSUB,
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13 child2: 'subscribe',
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14 func: function(response, stanza, request, to) {
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15 if (!config.enabled('subscribe'))
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16 return makeError(response, errors.sub.subscribe.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 return makeError(response, errors.nodeid_required.n);
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21 if (!storage.existsNode(nodeID))
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22 return makeError(response, errors.node_does_not_exist.n);
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23
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24 var configuration = storage.getConfiguration(nodeID);
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25 if (!configuration['pubsub#subscribe'])
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26 return makeError(response, errors.sub.subscribe.not_supported.n);
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27
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28 var affil = storage.getAffiliation(toBareJID(to), nodeID);
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29 if (affil == 'publish-only' || affil == 'outcast')
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30 return makeError(response, errors.pub.publish.insufficient_privileges.n);
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31
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32 var jid = request.getAttribute('jid');
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33 if (!jid || toBareJID(jid) != toBareJID(to))
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34 return makeError(response, errors.sub.subscribe.jids_do_not_match.n);
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35
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36 /*
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37 // SECTION 6.3.7
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38 var options = pubsub.getChild('options');
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39 if (options && config.enabled('subscription-options')) {
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40 if (options.getAttribute('node') || options.getAttribute('jid'))
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41 return makeError(response, errors.bad_request.n);
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42
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43 var x = options.getChild('x', 'jabber:x:data');
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44 if (!x || x.getAttribute('type') != 'submit')
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45 return makeError(response, errors.bad_request.n);
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46
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47 var form = forms.parse(x, true);
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48 if (typeof form == 'number')
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49 return makeError(response, form);
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50
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51 var conf = form;
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52 }*/
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53
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54 var subID;
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55 if (configuration['pubsub#access_model'] == 'open') {
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56 subID = storage.subscribe(nodeID, jid, 'subscribe');
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57 if (typeof subID == 'number')
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58 return makeError(response, subID);
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59 } else if (configuration['pubsub#access_model'] == 'authorize') {
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60 subID = storage.subscribe(nodeID, jid, 'pending');
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61 if (typeof subID == 'number')
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62 return makeError(response, subID);
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63
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64 var affiliates = storage.getAffiliationsFromNodeID(nodeID);
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65 var form = forms.build('form', 'subscribe_authorization', {allow: false, node: nodeID, subscriber_jid: jid}, true); //168
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66
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67 for (var i in affiliates) {
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68 if (affiliates[i] == 'super-owner' || affiliates[i] == 'owner') {
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69 var message = xmpp.message({to: i}).cnode(form);
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70 conn.send(message); // FIXME: impossible à faire d’ici
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71 }
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72 }
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73 } else if (configuration['pubsub#access_model'] == 'whitelist') {
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74 var affil = storage.getAffiliation(jid, nodeID);
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75 if (affil != 'super-owner' && affil != 'owner' && affil != 'publisher' && affil != 'member')
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76 return makeError(response, errors.sub.subscribe.not_on_whitelist.n);
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77
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78 subID = storage.subscribe(nodeID, jid);
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79 if (typeof subID == 'number')
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80 return makeError(response, subID);
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81 }
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82
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83 response.c('pubsub', {xmlns: NS.PUBSUB})
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84 .c('subscription', {node: nodeID, jid: jid, subid: subID.subid, subscription: subID.type});
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85
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86 if (config.enabled('last-published')) {
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87 var last = storage.getLastItem(nodeID);
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88 if (typeof last != 'number') {
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89 var item = storage.getItem(nodeID, last);
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90 if (typeof item != 'number') {
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91 var attr = {};
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92 attr[last] = {content: item};
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93 notifs.send(jid, 'items', nodeID, attr);
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94 }
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95 }
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96 }
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97
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98 return response;
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99 }
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100 }
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101
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102 // SECTION 6.2: Unsubscribe from a Node
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103 exports.unsubscribe = {
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104 type: 'set',
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105 child: 'pubsub',
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106 ns: NS.PUBSUB,
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107 child2: 'unsubscribe',
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108 func: function(response, stanza, request) {
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109 if (!config.enabled('subscribe'))
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110 return makeError(response, errors.sub.subscribe.not_supported.n);
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111
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112 var nodeID = request.getAttribute('node');
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113 if (!nodeID || nodeID == '')
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114 return makeError(response, errors.nodeid_required.n);
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115 if (!storage.existsNode(nodeID))
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116 return makeError(response, errors.node_does_not_exist.n);
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117
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118 var jid = request.getAttribute('jid');
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119 if (!jid || toBareJID(jid) != toBareJID(to))
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120 return makeError(response, errors.sub.unsubscribe.insufficient_privileges.n);
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121
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122 var subID = storage.subscribe(nodeID, jid, 'none');
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123 if (typeof subID == 'number')
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124 return makeError(response, subID);
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125
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126 return response;
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127 }
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128 }