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Moodle
2.2.1
http://www.collinsharper.com
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00001 <?php 00030 require_once dirname(__FILE__) . "/XMLStream.php"; 00031 require_once dirname(__FILE__) . "/Roster.php"; 00032 00044 class XMPPHP_XMPP extends XMPPHP_XMLStream { 00048 public $server; 00049 00053 public $user; 00054 00058 protected $password; 00059 00063 protected $resource; 00064 00068 protected $fulljid; 00069 00073 protected $basejid; 00074 00078 protected $authed = false; 00079 protected $session_started = false; 00080 00084 protected $auto_subscribe = false; 00085 00089 protected $use_encryption = true; 00090 00094 public $track_presence = true; 00095 00099 public $roster; 00100 00113 public function __construct($host, $port, $user, $password, $resource, $server = null, $printlog = false, $loglevel = null) { 00114 parent::__construct($host, $port, $printlog, $loglevel); 00115 00116 $this->user = $user; 00117 $this->password = $password; 00118 $this->resource = $resource; 00119 if(!$server) $server = $host; 00120 $this->basejid = $this->user . '@' . $this->host; 00121 00122 $this->roster = new Roster(); 00123 $this->track_presence = true; 00124 00125 $this->stream_start = '<stream:stream to="' . $server . '" xmlns:stream="http://etherx.jabber.org/streams" xmlns="jabber:client" version="1.0">'; 00126 $this->stream_end = '</stream:stream>'; 00127 $this->default_ns = 'jabber:client'; 00128 00129 $this->addXPathHandler('{http://etherx.jabber.org/streams}features', 'features_handler'); 00130 $this->addXPathHandler('{urn:ietf:params:xml:ns:xmpp-sasl}success', 'sasl_success_handler'); 00131 $this->addXPathHandler('{urn:ietf:params:xml:ns:xmpp-sasl}failure', 'sasl_failure_handler'); 00132 $this->addXPathHandler('{urn:ietf:params:xml:ns:xmpp-tls}proceed', 'tls_proceed_handler'); 00133 $this->addXPathHandler('{jabber:client}message', 'message_handler'); 00134 $this->addXPathHandler('{jabber:client}presence', 'presence_handler'); 00135 $this->addXPathHandler('iq/{jabber:iq:roster}query', 'roster_iq_handler'); 00136 } 00137 00143 public function useEncryption($useEncryption = true) { 00144 $this->use_encryption = $useEncryption; 00145 } 00146 00152 public function autoSubscribe($autoSubscribe = true) { 00153 $this->auto_subscribe = $autoSubscribe; 00154 } 00155 00164 public function message($to, $body, $type = 'chat', $subject = null, $payload = null) { 00165 if(is_null($type)) 00166 { 00167 $type = 'chat'; 00168 } 00169 00170 $to = htmlspecialchars($to); 00171 $body = htmlspecialchars($body); 00172 $subject = htmlspecialchars($subject); 00173 00174 $out = "<message from=\"{$this->fulljid}\" to=\"$to\" type='$type'>"; 00175 if($subject) $out .= "<subject>$subject</subject>"; 00176 $out .= "<body>$body</body>"; 00177 if($payload) $out .= $payload; 00178 $out .= "</message>"; 00179 00180 $this->send($out); 00181 } 00182 00190 public function presence($status = null, $show = 'available', $to = null, $type='available', $priority=0) { 00191 if($type == 'available') $type = ''; 00192 $to = htmlspecialchars($to); 00193 $status = htmlspecialchars($status); 00194 if($show == 'unavailable') $type = 'unavailable'; 00195 00196 $out = "<presence"; 00197 if($to) $out .= " to=\"$to\""; 00198 if($type) $out .= " type='$type'"; 00199 if($show == 'available' and !$status) { 00200 $out .= "/>"; 00201 } else { 00202 $out .= ">"; 00203 if($show != 'available') $out .= "<show>$show</show>"; 00204 if($status) $out .= "<status>$status</status>"; 00205 if($priority) $out .= "<priority>$priority</priority>"; 00206 $out .= "</presence>"; 00207 } 00208 00209 $this->send($out); 00210 } 00216 public function subscribe($jid) { 00217 $this->send("<presence type='subscribe' to='{$jid}' from='{$this->fulljid}' />"); 00218 #$this->send("<presence type='subscribed' to='{$jid}' from='{$this->fulljid}' />"); 00219 } 00220 00226 public function message_handler($xml) { 00227 if(isset($xml->attrs['type'])) { 00228 $payload['type'] = $xml->attrs['type']; 00229 } else { 00230 $payload['type'] = 'chat'; 00231 } 00232 $payload['from'] = $xml->attrs['from']; 00233 $payload['body'] = $xml->sub('body')->data; 00234 $payload['xml'] = $xml; 00235 $this->log->log("Message: {$xml->sub('body')->data}", XMPPHP_Log::LEVEL_DEBUG); 00236 $this->event('message', $payload); 00237 } 00238 00244 public function presence_handler($xml) { 00245 $payload['type'] = (isset($xml->attrs['type'])) ? $xml->attrs['type'] : 'available'; 00246 $payload['show'] = (isset($xml->sub('show')->data)) ? $xml->sub('show')->data : $payload['type']; 00247 $payload['from'] = $xml->attrs['from']; 00248 $payload['status'] = (isset($xml->sub('status')->data)) ? $xml->sub('status')->data : ''; 00249 $payload['priority'] = (isset($xml->sub('priority')->data)) ? intval($xml->sub('priority')->data) : 0; 00250 $payload['xml'] = $xml; 00251 if($this->track_presence) { 00252 $this->roster->setPresence($payload['from'], $payload['priority'], $payload['show'], $payload['status']); 00253 } 00254 $this->log->log("Presence: {$payload['from']} [{$payload['show']}] {$payload['status']}", XMPPHP_Log::LEVEL_DEBUG); 00255 if(array_key_exists('type', $xml->attrs) and $xml->attrs['type'] == 'subscribe') { 00256 if($this->auto_subscribe) { 00257 $this->send("<presence type='subscribed' to='{$xml->attrs['from']}' from='{$this->fulljid}' />"); 00258 $this->send("<presence type='subscribe' to='{$xml->attrs['from']}' from='{$this->fulljid}' />"); 00259 } 00260 $this->event('subscription_requested', $payload); 00261 } elseif(array_key_exists('type', $xml->attrs) and $xml->attrs['type'] == 'subscribed') { 00262 $this->event('subscription_accepted', $payload); 00263 } else { 00264 $this->event('presence', $payload); 00265 } 00266 } 00267 00273 protected function features_handler($xml) { 00274 if($xml->hasSub('starttls') and $this->use_encryption) { 00275 $this->send("<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'><required /></starttls>"); 00276 } elseif($xml->hasSub('bind') and $this->authed) { 00277 $id = $this->getId(); 00278 $this->addIdHandler($id, 'resource_bind_handler'); 00279 $this->send("<iq xmlns=\"jabber:client\" type=\"set\" id=\"$id\"><bind xmlns=\"urn:ietf:params:xml:ns:xmpp-bind\"><resource>{$this->resource}</resource></bind></iq>"); 00280 } else { 00281 $this->log->log("Attempting Auth..."); 00282 if ($this->password) { 00283 $this->send("<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='PLAIN'>" . base64_encode("\x00" . $this->user . "\x00" . $this->password) . "</auth>"); 00284 } else { 00285 $this->send("<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='ANONYMOUS'/>"); 00286 } 00287 } 00288 } 00289 00295 protected function sasl_success_handler($xml) { 00296 $this->log->log("Auth success!"); 00297 $this->authed = true; 00298 $this->reset(); 00299 } 00300 00306 protected function sasl_failure_handler($xml) { 00307 $this->log->log("Auth failed!", XMPPHP_Log::LEVEL_ERROR); 00308 $this->disconnect(); 00309 00310 throw new XMPPHP_Exception('Auth failed!'); 00311 } 00312 00318 protected function resource_bind_handler($xml) { 00319 if($xml->attrs['type'] == 'result') { 00320 $this->log->log("Bound to " . $xml->sub('bind')->sub('jid')->data); 00321 $this->fulljid = $xml->sub('bind')->sub('jid')->data; 00322 $jidarray = explode('/',$this->fulljid); 00323 $this->jid = $jidarray[0]; 00324 } 00325 $id = $this->getId(); 00326 $this->addIdHandler($id, 'session_start_handler'); 00327 $this->send("<iq xmlns='jabber:client' type='set' id='$id'><session xmlns='urn:ietf:params:xml:ns:xmpp-session' /></iq>"); 00328 } 00329 00334 public function getRoster() { 00335 $id = $this->getID(); 00336 $this->send("<iq xmlns='jabber:client' type='get' id='$id'><query xmlns='jabber:iq:roster' /></iq>"); 00337 } 00338 00345 protected function roster_iq_handler($xml) { 00346 $status = "result"; 00347 $xmlroster = $xml->sub('query'); 00348 foreach($xmlroster->subs as $item) { 00349 $groups = array(); 00350 if ($item->name == 'item') { 00351 $jid = $item->attrs['jid']; //REQUIRED 00352 $name = $item->attrs['name']; //MAY 00353 $subscription = $item->attrs['subscription']; 00354 foreach($item->subs as $subitem) { 00355 if ($subitem->name == 'group') { 00356 $groups[] = $subitem->data; 00357 } 00358 } 00359 $contacts[] = array($jid, $subscription, $name, $groups); //Store for action if no errors happen 00360 } else { 00361 $status = "error"; 00362 } 00363 } 00364 if ($status == "result") { //No errors, add contacts 00365 foreach($contacts as $contact) { 00366 $this->roster->addContact($contact[0], $contact[1], $contact[2], $contact[3]); 00367 } 00368 } 00369 if ($xml->attrs['type'] == 'set') { 00370 $this->send("<iq type=\"reply\" id=\"{$xml->attrs['id']}\" to=\"{$xml->attrs['from']}\" />"); 00371 } 00372 } 00373 00379 protected function session_start_handler($xml) { 00380 $this->log->log("Session started"); 00381 $this->session_started = true; 00382 $this->event('session_start'); 00383 } 00384 00390 protected function tls_proceed_handler($xml) { 00391 $this->log->log("Starting TLS encryption"); 00392 stream_socket_enable_crypto($this->socket, true, STREAM_CRYPTO_METHOD_SSLv23_CLIENT); 00393 $this->reset(); 00394 } 00395 00400 public function getVCard($jid = Null) { 00401 $id = $this->getID(); 00402 $this->addIdHandler($id, 'vcard_get_handler'); 00403 if($jid) { 00404 $this->send("<iq type='get' id='$id' to='$jid'><vCard xmlns='vcard-temp' /></iq>"); 00405 } else { 00406 $this->send("<iq type='get' id='$id'><vCard xmlns='vcard-temp' /></iq>"); 00407 } 00408 } 00409 00415 protected function vcard_get_handler($xml) { 00416 $vcard_array = array(); 00417 $vcard = $xml->sub('vcard'); 00418 // go through all of the sub elements and add them to the vcard array 00419 foreach ($vcard->subs as $sub) { 00420 if ($sub->subs) { 00421 $vcard_array[$sub->name] = array(); 00422 foreach ($sub->subs as $sub_child) { 00423 $vcard_array[$sub->name][$sub_child->name] = $sub_child->data; 00424 } 00425 } else { 00426 $vcard_array[$sub->name] = $sub->data; 00427 } 00428 } 00429 $vcard_array['from'] = $xml->attrs['from']; 00430 $this->event('vcard', $vcard_array); 00431 } 00432 }