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annotate modules/mod_subscribe.js @ 41:bc717575e66a

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Much better handling of modules.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Sun, 20 Feb 2011 15:51:12 +0100
parents 4c808bfe0658
children 023f767662d3
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1 // SECTION 6.1: Subscribe to a Node
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2 exports.subscribe = {
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3 type: 'set',
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4 child: 'pubsub',
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5 ns: NS.PUBSUB,
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6 child2: 'subscribe',
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7 func: function(response, stanza, request, to) {
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8 if (!config.enabled('subscribe'))
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9 return makeError(response, errors.sub.subscribe.not_supported.n);
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10
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11 var nodeID = request.getAttribute('node');
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12 if (!nodeID || nodeID == '')
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13 return makeError(response, errors.nodeid_required.n);
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14 if (!storage.existsNode(nodeID))
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15 return makeError(response, errors.node_does_not_exist.n);
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16
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17 var configuration = storage.getConfiguration(nodeID);
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18 if (!configuration['pubsub#subscribe'])
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19 return makeError(response, errors.sub.subscribe.not_supported.n);
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20
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21 var affil = storage.getAffiliation(toBareJID(to), nodeID);
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22 if (affil == 'publish-only' || affil == 'outcast')
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23 return makeError(response, errors.pub.publish.insufficient_privileges.n);
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24
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25 var jid = request.getAttribute('jid');
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26 if (!jid || toBareJID(jid) != toBareJID(to))
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27 return makeError(response, errors.sub.subscribe.jids_do_not_match.n);
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28
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29 /*
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30 // SECTION 6.3.7
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31 var options = pubsub.getChild('options');
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32 if (options && config.enabled('subscription-options')) {
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33 if (options.getAttribute('node') || options.getAttribute('jid'))
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34 return makeError(response, errors.bad_request.n);
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35
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36 var x = options.getChild('x', 'jabber:x:data');
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37 if (!x || x.getAttribute('type') != 'submit')
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38 return makeError(response, errors.bad_request.n);
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39
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40 var form = forms.parse(x, true);
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41 if (typeof form == 'number')
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42 return makeError(response, form);
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43
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44 var conf = form;
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45 }*/
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46
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47 var subID;
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48 if (configuration['pubsub#access_model'] == 'open') {
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49 subID = storage.subscribe(nodeID, jid, 'subscribe');
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50 if (typeof subID == 'number')
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51 return makeError(response, subID);
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52 } else if (configuration['pubsub#access_model'] == 'authorize') {
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53 subID = storage.subscribe(nodeID, jid, 'pending');
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54 if (typeof subID == 'number')
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55 return makeError(response, subID);
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56
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57 var affiliates = storage.getAffiliationsFromNodeID(nodeID);
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58 var form = forms.build('form', 'subscribe_authorization', {allow: false, node: nodeID, subscriber_jid: jid}, true); //168
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59
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60 for (var i in affiliates) {
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61 if (affiliates[i] == 'super-owner' || affiliates[i] == 'owner') {
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62 var message = xmpp.message({to: i}).cnode(form);
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63 conn.send(message); // FIXME: impossible à faire d’ici
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64 }
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65 }
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66 } else if (configuration['pubsub#access_model'] == 'whitelist') {
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67 var affil = storage.getAffiliation(jid, nodeID);
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68 if (affil != 'super-owner' && affil != 'owner' && affil != 'publisher' && affil != 'member')
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69 return makeError(response, errors.sub.subscribe.not_on_whitelist.n);
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70
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71 subID = storage.subscribe(nodeID, jid);
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72 if (typeof subID == 'number')
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73 return makeError(response, subID);
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74 }
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75
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76 response.c('pubsub', {xmlns: NS.PUBSUB})
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77 .c('subscription', {node: nodeID, jid: jid, subid: subID.subid, subscription: subID.type});
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78
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79 if (config.enabled('last-published')) {
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80 var last = storage.getLastItem(nodeID);
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81 if (typeof last != 'number') {
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82 var item = storage.getItem(nodeID, last);
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83 if (typeof item != 'number') {
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84 var attr = {};
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85 attr[last] = {content: item};
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86 notifs.send(jid, 'items', nodeID, attr);
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87 }
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88 }
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89 }
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90
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91 return response;
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92 }
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93 }
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94
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95 // SECTION 6.2: Unsubscribe from a Node
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96 exports.unsubscribe = {
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97 type: 'set',
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98 child: 'pubsub',
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99 ns: NS.PUBSUB,
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100 child2: 'unsubscribe',
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101 func: function(response, stanza, request, to) {
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102 if (!config.enabled('subscribe'))
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103 return makeError(response, errors.sub.subscribe.not_supported.n);
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104
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105 var nodeID = request.getAttribute('node');
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106 if (!nodeID || nodeID == '')
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107 return makeError(response, errors.nodeid_required.n);
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108 if (!storage.existsNode(nodeID))
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109 return makeError(response, errors.node_does_not_exist.n);
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110
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111 var jid = request.getAttribute('jid');
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112 if (!jid || toBareJID(jid) != toBareJID(to))
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113 return makeError(response, errors.sub.unsubscribe.insufficient_privileges.n);
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114
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115 var subID = storage.subscribe(nodeID, jid, 'none');
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116 if (typeof subID == 'number')
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117 return makeError(response, subID);
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118
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119 return response;
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120 }
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121 }