Mercurial > eldonilo > lightstring

annotate plugins/pubsub.js @ 62:b1e75cdbb0ad

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Don’t allow more than one iq handler to respond, and respond with an service-unavailable when not handled.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Wed, 01 Feb 2012 18:37:57 +0100
parents d1ba6f0e2a92
children 7cb0037bf43c
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1 'use strict';
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2
2
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3 /**
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4 Copyright (c) 2011, Sonny Piers <sonny at fastmail dot net>
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5
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6 Permission to use, copy, modify, and/or distribute this software for any
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7 purpose with or without fee is hereby granted, provided that the above
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8 copyright notice and this permission notice appear in all copies.
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9
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10 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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18
7
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19 //////////
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20 //PubSub//
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21 //////////
61
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22 (function() {
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23 var event_tags = ['collection', 'configuration', 'delete', 'items', 'purge', 'subscription'];
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24
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25 Lightstring.plugins['pubsub'] = {
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26 namespaces: {
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27 x: "jabber:x:data", //XXX
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28 pubsub: "http://jabber.org/protocol/pubsub",
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29 pubsub_owner: "http://jabber.org/protocol/pubsub#owner",
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30 pubsub_event: "http://jabber.org/protocol/pubsub#event",
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31 pubsub_error: "http://jabber.org/protocol/pubsub#error"
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32 },
61
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33 stanzas: {
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34 getConfig: function(aTo, aNode) {
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35 return "<iq type='get' to='" + aTo + "'><pubsub xmlns='" + Lightstring.NS.pubsub_owner + "'><configure node='" + aNode + "'/></pubsub></iq>";
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36 },
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37 items: function(aTo, aNode) {
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38 return "<iq type='get' to='" + aTo + "'><pubsub xmlns='" + Lightstring.NS.pubsub + "'><items node='" + aNode + "'/></pubsub></iq>";
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39 },
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40 affiliations: function(aTo, aNode) {
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41 return "<iq type='get' to='" + aTo + "'><pubsub xmlns='" + Lightstring.NS.pubsub_owner + "'><affiliations node='" + aNode + "'/></pubsub></iq>";
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42 },
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43 publish: function(aTo, aNode, aItem, aId) {
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44 return "<iq type='set' to='" + aTo + "'><pubsub xmlns='" + Lightstring.NS.pubsub + "'><publish node='" + aNode + "'><item id='" + aId + "'>" + aItem + "</item></publish></pubsub></iq>";
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45 },
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46 retract: function(aTo, aNode, aItem) {
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47 return "<iq type='set' to='" + aTo + "'><pubsub xmlns='" + Lightstring.NS.pubsub + "'><retract node='" + aNode + "'><item id='" + aItem + "'/></retract></pubsub></iq>";
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48 },
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49 'delete': function(aTo, aNode, aURI) {
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50 return "<iq type='set' to='" + aTo + "'><pubsub xmlns='" + Lightstring.NS.pubsub_owner + "'><delete node='" + aNode + "'/></pubsub></iq>";
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51 },
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52 create: function(aTo, aNode, aFields) {
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53 var iq = "<iq type='set' to='" + aTo + "'><pubsub xmlns='" + Lightstring.NS.pubsub + "'><create node='" + aNode + "'/>";
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54 if (aFields) {
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55 iq += "<configure><x xmlns='" + Lightstring.NS.x + "' type='submit'>"
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56 aFields.forEach(function(field) {
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57 iq += field;
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58 });
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59 iq += "</x></configure>";
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60 }
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61 iq += "</pubsub></iq>";
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62 return iq;
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63 },
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64 setAffiliations: function(aTo, aNode, aAffiliations) {
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65 var iq = "<iq type='set' to='" + aTo + "'><pubsub xmlns='" + Lightstring.NS.pubsub_owner + "'><affiliations node='" + aNode + "'>";
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66 for (var i = 0; i < aAffiliations.length; i++)
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67 iq += "<affiliation jid='" + aAffiliations[i][0] + "' affiliation='" + aAffiliations[i][1] + "'/>";
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68 iq += "</affiliations></pubsub></iq>";
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69 return iq;
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70 },
53
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71 },
61
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72 methods: {
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73 items: function(aTo, aNode, aResult, aError) {
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74 this.send(Lightstring.stanza.pubsub.items(aTo, aNode), function(stanza) {
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75 var items = [];
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76 var elms = stanza.DOM.querySelectorAll('item');
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77 for (var i = 0; i < elms.length; i++) {
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78 var node = elms[i];
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79 var item = {
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80 id: node.getAttribute('id'),
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81 name: node.querySelector('title').textContent,
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82 src: node.querySelector('content').getAttribute('src'),
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83 type: node.querySelector('content').getAttribute('type'),
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84 }
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85 var miniature = node.querySelector('link');
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86 if (miniature)
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87 item.miniature = miniature.getAttribute('href');
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88 items.push(item);
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89 };
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90
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91 if (aResult)
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92 aResult(items);
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93 }, aError);
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94 },
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95 create: function(aTo, aNode, aFields, aResult, aError) {
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96 this.send(Lightstring.stanza.pubsub.create(aTo, aNode, aFields), aResult, aError);
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97 },
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98 config: function(aTo, aNode, aResult, aError) {
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99 this.send(Lightstring.stanza.pubsub.getConfig(aTo, aNode), function(stanza) {
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100 //FIXME: wtf?
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101 var accessmodel = stanza.DOM.querySelector('field[var="pubsub#access_model"]').lastChild.textContent;
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102 if(accessmodel)
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103 aResult, aError(accessmodel);
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104 else
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105 aResult, aError(null);
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106 });
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107 },
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108 retract: function(aTo, aNode, aItem, aResult, aError) {
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109 this.send(Lightstring.stanza.pubsub.retract(aTo, aNode, aItem), aResult, aError);
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110 },
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111 publish = function(aTo, aNode, aItem, aId, aResult, aError) {
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112 this.send(Lightstring.stanza.pubsub.publish(aTo, aNode, aItem, aId), aResult, aError);
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113 },
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114 'delete': function(aTo, aNode, aResult, aError) {
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115 this.send(Lightstring.stanza.pubsub.delete(aTo, aNode), aResult, aError);
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116 },
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117 getAffiliations: function(aTo, aNode, aResult, aError) {
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118 this.send(Lightstring.stanza.pubsub.affiliations(aTo, aNode), function(stanza) {
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119 if((stanza.DOM.getAttribute('type') === 'result') && aResult, aError) {
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120 var affiliations = {};
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121 stanza.DOM.querySelectorAll('affiliation').forEach(function(affiliation) {
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122 affiliations[affiliation.getAttribute("jid")] = affiliation.getAttribute("affiliation");
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123 })
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124 if (aResult)
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125 aResult(affiliations);
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126 }
61
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127 }, aError);
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128 },
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129 setAffiliations: function(aTo, aNode, aAffiliations, aResult, aError) {
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130 this.send(Lightstring.stanza.pubsub.setAffiliations(aTo, aNode, aAffiliations), aResult, aError);
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131 }
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132 },
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133 init: function() {
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134 //TODO: find a way to put that in handlers, it’s UGLY!
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135 this.on('in-message-*-' + Lightstring.namespaces['pubsub_event'] + ':event', function(stanza) {
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136 var payload = stanza.firstChild.firstChild; //XXX
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137 if (payload.namespaceURI !== Lightstring.namespaces['pubsub_event'])
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138 return; //TODO: emit something.
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139
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140 var name = payload.localName;
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141 if (event_tags.indexOf(name) === -1)
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142 return; //TODO: emit something.
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143
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144 this.emit('pubsub:' + name);
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145 });
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146 }
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147 };
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148 })();