annotate psgxs.js @ 33:62cbb1c49bc5

Fix publish; add owner metadata field; add HTTP module and Atom HTTP module.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Fri, 05 Nov 2010 14:01:45 +0100
parents 13011b26181c
children dcf1f09f8cee
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1 #!/usr/bin/env node
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2
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3 /*
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4 * Copyright (C) 2010 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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5 *
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6 * This file is part of PSĜS, a PubSub server written in JavaScript.
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7 *
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8 * PSĜS is free software: you can redistribute it and/or modify
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9 * it under the terms of the GNU Affero General Public License as
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10 * published by the Free Software Foundation, either version 3 of the
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11 * License.
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12 *
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13 * PSĜS is distributed in the hope that it will be useful,
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14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 * GNU Affero General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Affero General Public License
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19 * along with PSĜS. If not, see <http://www.gnu.org/licenses/>.
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20 */
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21
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22 var xmpp = require('xmpp');
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23 var sha1 = require('sha1');
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24 require('./iso8601');
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25 var storage = require('./storage');
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26 var errors = require('./errors');
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27 var makeError = errors.makeError;
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28 var utils = require('./util');
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29 var toBareJID = utils.toBareJID;
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30 var config = require('./configuration');
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31 var forms = require('./forms');
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32 var conn = new xmpp.Connection();
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33
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34 var notifs = require('./notifs');
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35 notifs.setConnection(conn);
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37 var modules = require('./modules');
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38
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39 var service_configuration = config.service_configuration;
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40 var componentJID = config.jid;
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41 var componentPassword = config.password;
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42
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43 conn.log = function (_, m) { console.log(m); };
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44
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45 function _(obj, color) {
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46 var str = require('sys').inspect(obj, false, null);
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47 if (color)
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48 console.log('\033['+c+';1m' + str + '\033[0m');
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49 else
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50 console.log(str);
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51 };
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52
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53 process.addListener('uncaughtException', function (err) {
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54 console.log('\033[41;1mUncaught exception (' + err + '), this should never happen:\033[0m\n' + err.stack);
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55 });
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56
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57 if (typeof xmpp.StanzaBuilder.cnode != 'function' || typeof xmpp.StanzaBuilder.prototype.cnode != 'function') {
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58 xmpp.StanzaBuilder.prototype.cnode = function (stanza)
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59 {
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60 var parent = this.last_node[this.last_node.length-1];
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61 parent.tags.push(stanza);
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62 parent.children.push(stanza);
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63 this.last_node.push(stanza);
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64 return this;
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65 };
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66 }
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67
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68 function onIq(stanza) {
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69 var type = stanza.getAttribute('type');
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70 var from = stanza.getAttribute('to');
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71 var to = stanza.getAttribute('from');
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72 var id = stanza.getAttribute('id');
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73
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74 var response;
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75 if (id)
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76 response = xmpp.iq({to: to, from: from, type: 'result', id: id});
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77 else
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78 response = xmpp.iq({to: to, from: from, type: 'result'});
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79
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80 var send = false;
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81
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82 for (var i in stanza.tags) {
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83 var child1 = stanza.tags[i];
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84 if (child1.name == 'pubsub') {
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85 for (var j in child1.tags) {
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86 var child2 = child1.tags[j];
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87
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88 for (var k in modules) {
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89 var module = modules[k];
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90
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91 if (module.type && (module.type != type))
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92 continue;
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93
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94 if (module.child2 && (module.child2 != child2.name))
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95 continue;
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96
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97 if (module.ns && (module.ns != child2.attr.xmlns))
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98 continue;
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99
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100 if (module.number && (module.number != j))
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101 continue;
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102
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103 var toSend = module.func(response, stanza, child2, to);
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104 if (toSend) {
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105 response = toSend;
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106 send = true;
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107 delete toSend;
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108 }
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109 }
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110 }
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111 } else {
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112 for (var k in modules) {
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113 var module = modules[k];
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115 if (module.type && (module.type != type))
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116 continue;
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118 if (module.child && (module.child != child1.name))
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119 continue;
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120
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121 if (module.ns && (module.ns != child1.attr.xmlns))
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122 continue;
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123
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124 if (module.number && (module.number != k))
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125 continue;
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126
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127 var toSend = module.func(response, stanza, child1, to);
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128 if (toSend) {
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129 response = toSend;
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130 send = true;
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131 delete toSend;
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132 }
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133 }
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134 }
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135 }
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136
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b2faacfefb90 Rewrite of the module manager; fix of some modules; fix of the directory backend.
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137 conn.send(send? response: makeError(response, errors.feature_not_implemented.n));
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138 }
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139
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140 function onMessage(stanza) {
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141 var from = stanza.getAttribute('to');
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142 var to = stanza.getAttribute('from');
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143 var id = stanza.getAttribute('id');
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144
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145 var response;
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146 if (id)
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147 response = xmpp.message({to: to, from: from, id: id});
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148 else
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149 response = xmpp.message({to: to, from: from});
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150
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151 var x = stanza.getChild('x', 'jabber:x:data');
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152 if (x) {
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153 var form = forms.parse(x);
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154 if (form.type == 'submit' && form.fields.FORM_TYPE.value == 'subscribe_authorization') {
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155 if (form.fields.subid && form.fields.subid.value)
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156 var subID = form.fields.subid.value;
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157 if (form.fields.node && form.fields.node.value)
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158 var nodeID = form.fields.node.value;
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159 if (form.fields.subscriber_jid && form.fields.subscriber_jid.value)
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160 var jid = form.fields.subscriber_jid.value;
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161 if (form.fields.allow && form.fields.allow.value)
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162 var allow = form.fields.allow.value;
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163
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164 var type = allow? 'subscribed': 'none';
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165 var set = storage.subscribe(nodeID, jid, type)
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166 //if (set.subid != subID) //TODO: support the multi-subscribe feature
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167 notifs.send(jid, 'subscription', nodeID, {jid: jid, subscription: type});
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168 } else
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169 return makeError(response, errors.feature_not_implemented.n);
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170 } else
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171 return makeError(response, errors.feature_not_implemented.n);
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172 conn.send(response)
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173 }
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174
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175 function onPresence(stanza) {
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176 var from = stanza.getAttribute('to');
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177 var to = stanza.getAttribute('from');
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178 var id = stanza.getAttribute('id');
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179
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180 var response;
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181 if (id)
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182 response = xmpp.presence({to: to, from: from, id: id});
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183 else
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184 response = xmpp.presence({to: to, from: from});
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185
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186 makeError(response, errors.feature_not_implemented.n);
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187 }
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188
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189 conn.connect(componentJID, componentPassword, function (status, condition) {
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190 if (status == xmpp.Status.CONNECTED) {
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191 conn.addHandler(onMessage, null, 'message', null, null, null);
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192 conn.addHandler(onIq, null, 'iq', null, null, null);
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193 conn.addHandler(onPresence, null, 'presence', null, null, null);
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194
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195 if (process.argv.length >= 3)
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196 storage.load(process.argv[2]);
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197 else
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198 storage.load();
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199
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200 var stdin = process.openStdin();
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201 stdin.setEncoding('utf8');
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202 stdin.addListener('data', storage.debug);
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203 } else
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204 conn.log(xmpp.LogLevel.DEBUG, 'New connection status: ' + status + (condition? (' ('+condition+')'): ''));
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205 });