|
443
by dcoles
Added Forum application along with unmodifed version of phpBB3 "Olympus" 3.0.0 |
1 |
<?php
|
2 |
/**
|
|
3 |
*
|
|
4 |
* @package phpBB3
|
|
5 |
* @version $Id: functions_jabber.php,v 1.40 2007/10/05 14:30:10 acydburn Exp $
|
|
6 |
* @copyright (c) 2007 phpBB Group
|
|
7 |
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
|
|
8 |
*
|
|
9 |
*/
|
|
10 |
||
11 |
/**
|
|
12 |
* @ignore
|
|
13 |
*/
|
|
14 |
if (!defined('IN_PHPBB')) |
|
15 |
{
|
|
16 |
exit; |
|
17 |
}
|
|
18 |
||
19 |
/**
|
|
20 |
*
|
|
21 |
* Jabber class from Flyspray project
|
|
22 |
*
|
|
23 |
* @version class.jabber2.php 1306 2007-06-21
|
|
24 |
* @copyright 2006 Flyspray.org
|
|
25 |
* @author Florian Schmitz (floele)
|
|
26 |
*
|
|
27 |
* Modified by Acyd Burn
|
|
28 |
*
|
|
29 |
* @package phpBB3
|
|
30 |
*/
|
|
31 |
class jabber |
|
32 |
{
|
|
33 |
var $connection = null; |
|
34 |
var $session = array(); |
|
35 |
var $timeout = 10; |
|
36 |
||
37 |
var $server; |
|
38 |
var $port; |
|
39 |
var $username; |
|
40 |
var $password; |
|
41 |
var $use_ssl; |
|
42 |
var $resource = 'functions_jabber.phpbb.php'; |
|
43 |
||
44 |
var $enable_logging; |
|
45 |
var $log_array; |
|
46 |
||
47 |
var $features = array(); |
|
48 |
||
49 |
/**
|
|
50 |
*/
|
|
51 |
function jabber($server, $port, $username, $password, $use_ssl = false) |
|
52 |
{
|
|
53 |
$this->server = ($server) ? $server : 'localhost'; |
|
54 |
$this->port = ($port) ? $port : 5222; |
|
55 |
$this->username = $username; |
|
56 |
$this->password = $password; |
|
57 |
$this->use_ssl = ($use_ssl && $this->can_use_ssl()) ? true : false; |
|
58 |
||
59 |
// Change port if we use SSL
|
|
60 |
if ($this->port == 5222 && $this->use_ssl) |
|
61 |
{
|
|
62 |
$this->port = 5223; |
|
63 |
}
|
|
64 |
||
65 |
$this->enable_logging = true; |
|
66 |
$this->log_array = array(); |
|
67 |
}
|
|
68 |
||
69 |
/**
|
|
70 |
* Able to use the SSL functionality?
|
|
71 |
*/
|
|
72 |
function can_use_ssl() |
|
73 |
{
|
|
74 |
// Will not work with PHP >= 5.2.1 or < 5.2.3RC2 until timeout problem with ssl hasn't been fixed (http://bugs.php.net/41236)
|
|
75 |
return ((version_compare(PHP_VERSION, '5.2.1', '<') || version_compare(PHP_VERSION, '5.2.3RC2', '>=')) && @extension_loaded('openssl')) ? true : false; |
|
76 |
}
|
|
77 |
||
78 |
/**
|
|
79 |
* Able to use TLS?
|
|
80 |
*/
|
|
81 |
function can_use_tls() |
|
82 |
{
|
|
83 |
if (!@extension_loaded('openssl') || !function_exists('stream_socket_enable_crypto') || !function_exists('stream_get_meta_data') || !function_exists('socket_set_blocking') || !function_exists('stream_get_wrappers')) |
|
84 |
{
|
|
85 |
return false; |
|
86 |
}
|
|
87 |
||
88 |
/**
|
|
89 |
* Make sure the encryption stream is supported
|
|
90 |
* Also seem to work without the crypto stream if correctly compiled
|
|
91 |
||
92 |
$streams = stream_get_wrappers();
|
|
93 |
||
94 |
if (!in_array('streams.crypto', $streams))
|
|
95 |
{
|
|
96 |
return false;
|
|
97 |
}
|
|
98 |
*/
|
|
99 |
||
100 |
return true; |
|
101 |
}
|
|
102 |
||
103 |
/**
|
|
104 |
* Sets the resource which is used. No validation is done here, only escaping.
|
|
105 |
* @param string $name
|
|
106 |
* @access public
|
|
107 |
*/
|
|
108 |
function set_resource($name) |
|
109 |
{
|
|
110 |
$this->resource = $name; |
|
111 |
}
|
|
112 |
||
113 |
/**
|
|
114 |
* Connect
|
|
115 |
*/
|
|
116 |
function connect() |
|
117 |
{
|
|
118 |
/* if (!$this->check_jid($this->username . '@' . $this->server))
|
|
119 |
{
|
|
120 |
$this->add_to_log('Error: Jabber ID is not valid: ' . $this->username . '@' . $this->server);
|
|
121 |
return false;
|
|
122 |
}*/
|
|
123 |
||
124 |
$this->session['ssl'] = $this->use_ssl; |
|
125 |
||
126 |
if ($this->open_socket($this->server, $this->port, $this->use_ssl)) |
|
127 |
{
|
|
128 |
$this->send("<?xml version='1.0' encoding='UTF-8' ?" . ">\n"); |
|
129 |
$this->send("<stream:stream to='{$this->server}' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>\n"); |
|
130 |
}
|
|
131 |
else
|
|
132 |
{
|
|
133 |
$this->add_to_log('Error: connect() #2'); |
|
134 |
return false; |
|
135 |
}
|
|
136 |
||
137 |
// Now we listen what the server has to say...and give appropriate responses
|
|
138 |
$this->response($this->listen()); |
|
139 |
return true; |
|
140 |
}
|
|
141 |
||
142 |
/**
|
|
143 |
* Disconnect
|
|
144 |
*/
|
|
145 |
function disconnect() |
|
146 |
{
|
|
147 |
if ($this->connected()) |
|
148 |
{
|
|
149 |
// disconnect gracefully
|
|
150 |
if (isset($this->session['sent_presence'])) |
|
151 |
{
|
|
152 |
$this->send_presence('offline', '', true); |
|
153 |
}
|
|
154 |
||
155 |
$this->send('</stream:stream>'); |
|
156 |
$this->session = array(); |
|
157 |
return fclose($this->connection); |
|
158 |
}
|
|
159 |
||
160 |
return false; |
|
161 |
}
|
|
162 |
||
163 |
/**
|
|
164 |
* Connected?
|
|
165 |
*/
|
|
166 |
function connected() |
|
167 |
{
|
|
168 |
return (is_resource($this->connection) && !feof($this->connection)) ? true : false; |
|
169 |
}
|
|
170 |
||
171 |
||
172 |
/**
|
|
173 |
* Initiates login (using data from contructor, after calling connect())
|
|
174 |
* @access public
|
|
175 |
* @return bool
|
|
176 |
*/
|
|
177 |
function login() |
|
178 |
{
|
|
179 |
if (!sizeof($this->features)) |
|
180 |
{
|
|
181 |
$this->add_to_log('Error: No feature information from server available.'); |
|
182 |
return false; |
|
183 |
}
|
|
184 |
||
185 |
return $this->response($this->features); |
|
186 |
}
|
|
187 |
||
188 |
/**
|
|
189 |
* Send data to the Jabber server
|
|
190 |
* @param string $xml
|
|
191 |
* @access public
|
|
192 |
* @return bool
|
|
193 |
*/
|
|
194 |
function send($xml) |
|
195 |
{
|
|
196 |
if ($this->connected()) |
|
197 |
{
|
|
198 |
$xml = trim($xml); |
|
199 |
$this->add_to_log('SEND: '. $xml); |
|
200 |
return fwrite($this->connection, $xml); |
|
201 |
}
|
|
202 |
else
|
|
203 |
{
|
|
204 |
$this->add_to_log('Error: Could not send, connection lost (flood?).'); |
|
205 |
return false; |
|
206 |
}
|
|
207 |
}
|
|
208 |
||
209 |
/**
|
|
210 |
* OpenSocket
|
|
211 |
* @param string $server host to connect to
|
|
212 |
* @param int $port port number
|
|
213 |
* @param bool $use_ssl use ssl or not
|
|
214 |
* @access public
|
|
215 |
* @return bool
|
|
216 |
*/
|
|
217 |
function open_socket($server, $port, $use_ssl = false) |
|
218 |
{
|
|
219 |
if (@function_exists('dns_get_record')) |
|
220 |
{
|
|
221 |
$record = @dns_get_record("_xmpp-client._tcp.$server", DNS_SRV); |
|
222 |
if (!empty($record) && !empty($record[0]['target'])) |
|
223 |
{
|
|
224 |
$server = $record[0]['target']; |
|
225 |
}
|
|
226 |
}
|
|
227 |
||
228 |
$server = $use_ssl ? 'ssl://' . $server : $server; |
|
229 |
||
230 |
if ($this->connection = @fsockopen($server, $port, $errorno, $errorstr, $this->timeout)) |
|
231 |
{
|
|
232 |
socket_set_blocking($this->connection, 0); |
|
233 |
socket_set_timeout($this->connection, 60); |
|
234 |
||
235 |
return true; |
|
236 |
}
|
|
237 |
||
238 |
// Apparently an error occured...
|
|
239 |
$this->add_to_log('Error: open_socket() - ' . $errorstr); |
|
240 |
return false; |
|
241 |
}
|
|
242 |
||
243 |
/**
|
|
244 |
* Return log
|
|
245 |
*/
|
|
246 |
function get_log() |
|
247 |
{
|
|
248 |
if ($this->enable_logging && sizeof($this->log_array)) |
|
249 |
{
|
|
250 |
return implode("<br /><br />", $this->log_array); |
|
251 |
}
|
|
252 |
||
253 |
return ''; |
|
254 |
}
|
|
255 |
||
256 |
/**
|
|
257 |
* Add information to log
|
|
258 |
*/
|
|
259 |
function add_to_log($string) |
|
260 |
{
|
|
261 |
if ($this->enable_logging) |
|
262 |
{
|
|
263 |
$this->log_array[] = utf8_htmlspecialchars($string); |
|
264 |
}
|
|
265 |
}
|
|
266 |
||
267 |
/**
|
|
268 |
* Listens to the connection until it gets data or the timeout is reached.
|
|
269 |
* Thus, it should only be called if data is expected to be received.
|
|
270 |
* @access public
|
|
271 |
* @return mixed either false for timeout or an array with the received data
|
|
272 |
*/
|
|
273 |
function listen($timeout = 10, $wait = false) |
|
274 |
{
|
|
275 |
if (!$this->connected()) |
|
276 |
{
|
|
277 |
return false; |
|
278 |
}
|
|
279 |
||
280 |
// Wait for a response until timeout is reached
|
|
281 |
$start = time(); |
|
282 |
$data = ''; |
|
283 |
||
284 |
do
|
|
285 |
{
|
|
286 |
$read = trim(fread($this->connection, 4096)); |
|
287 |
$data .= $read; |
|
288 |
}
|
|
289 |
while (time() <= $start + $timeout && ($wait || $data == '' || $read != '' || (substr(rtrim($data), -1) != '>'))); |
|
290 |
||
291 |
if ($data != '') |
|
292 |
{
|
|
293 |
$this->add_to_log('RECV: '. $data); |
|
294 |
return $this->xmlize($data); |
|
295 |
}
|
|
296 |
else
|
|
297 |
{
|
|
298 |
$this->add_to_log('Timeout, no response from server.'); |
|
299 |
return false; |
|
300 |
}
|
|
301 |
}
|
|
302 |
||
303 |
/**
|
|
304 |
* Initiates account registration (based on data used for contructor)
|
|
305 |
* @access public
|
|
306 |
* @return bool
|
|
307 |
*/
|
|
308 |
function register() |
|
309 |
{
|
|
310 |
if (!isset($this->session['id']) || isset($this->session['jid'])) |
|
311 |
{
|
|
312 |
$this->add_to_log('Error: Cannot initiate registration.'); |
|
313 |
return false; |
|
314 |
}
|
|
315 |
||
316 |
$this->send("<iq type='get' id='reg_1'><query xmlns='jabber:iq:register'/></iq>"); |
|
317 |
return $this->response($this->listen()); |
|
318 |
}
|
|
319 |
||
320 |
/**
|
|
321 |
* Sets account presence. No additional info required (default is "online" status)
|
|
322 |
* @param $message online, offline...
|
|
323 |
* @param $type dnd, away, chat, xa or nothing
|
|
324 |
* @param $unavailable set this to true if you want to become unavailable
|
|
325 |
* @access public
|
|
326 |
* @return bool
|
|
327 |
*/
|
|
328 |
function send_presence($message = '', $type = '', $unavailable = false) |
|
329 |
{
|
|
330 |
if (!isset($this->session['jid'])) |
|
331 |
{
|
|
332 |
$this->add_to_log('ERROR: send_presence() - Cannot set presence at this point, no jid given.'); |
|
333 |
return false; |
|
334 |
}
|
|
335 |
||
336 |
$type = strtolower($type); |
|
337 |
$type = (in_array($type, array('dnd', 'away', 'chat', 'xa'))) ? '<show>'. $type .'</show>' : ''; |
|
338 |
||
339 |
$unavailable = ($unavailable) ? " type='unavailable'" : ''; |
|
340 |
$message = ($message) ? '<status>' . utf8_htmlspecialchars($message) .'</status>' : ''; |
|
341 |
||
342 |
$this->session['sent_presence'] = !$unavailable; |
|
343 |
||
344 |
return $this->send("<presence$unavailable>" . $type . $message . '</presence>'); |
|
345 |
}
|
|
346 |
||
347 |
/**
|
|
348 |
* This handles all the different XML elements
|
|
349 |
* @param array $xml
|
|
350 |
* @access public
|
|
351 |
* @return bool
|
|
352 |
*/
|
|
353 |
function response($xml) |
|
354 |
{
|
|
355 |
if (!is_array($xml) || !sizeof($xml)) |
|
356 |
{
|
|
357 |
return false; |
|
358 |
}
|
|
359 |
||
360 |
// did we get multiple elements? do one after another
|
|
361 |
// array('message' => ..., 'presence' => ...)
|
|
362 |
if (sizeof($xml) > 1) |
|
363 |
{
|
|
364 |
foreach ($xml as $key => $value) |
|
365 |
{
|
|
366 |
$this->response(array($key => $value)); |
|
367 |
}
|
|
368 |
return; |
|
369 |
}
|
|
370 |
else
|
|
371 |
{
|
|
372 |
// or even multiple elements of the same type?
|
|
373 |
// array('message' => array(0 => ..., 1 => ...))
|
|
374 |
if (sizeof(reset($xml)) > 1) |
|
375 |
{
|
|
376 |
foreach (reset($xml) as $value) |
|
377 |
{
|
|
378 |
$this->response(array(key($xml) => array(0 => $value))); |
|
379 |
}
|
|
380 |
return; |
|
381 |
}
|
|
382 |
}
|
|
383 |
||
384 |
switch (key($xml)) |
|
385 |
{
|
|
386 |
case 'stream:stream': |
|
387 |
// Connection initialised (or after authentication). Not much to do here...
|
|
388 |
$this->session['id'] = $xml['stream:stream'][0]['@']['id']; |
|
389 |
||
390 |
if (isset($xml['stream:stream'][0]['#']['stream:features'])) |
|
391 |
{
|
|
392 |
// we already got all info we need
|
|
393 |
$this->features = $xml['stream:stream'][0]['#']; |
|
394 |
}
|
|
395 |
else
|
|
396 |
{
|
|
397 |
$this->features = $this->listen(); |
|
398 |
}
|
|
399 |
||
400 |
// go on with authentication?
|
|
401 |
if (isset($this->features['stream:features'][0]['#']['bind']) || !empty($this->session['tls'])) |
|
402 |
{
|
|
403 |
return $this->response($this->features); |
|
404 |
}
|
|
405 |
break; |
|
406 |
||
407 |
case 'stream:features': |
|
408 |
// Resource binding after successful authentication
|
|
409 |
if (isset($this->session['authenticated'])) |
|
410 |
{
|
|
411 |
// session required?
|
|
412 |
$this->session['sess_required'] = isset($xml['stream:features'][0]['#']['session']); |
|
413 |
||
414 |
$this->send("<iq type='set' id='bind_1'> |
|
415 |
<bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'>
|
|
416 |
<resource>" . utf8_htmlspecialchars($this->resource) . '</resource> |
|
417 |
</bind>
|
|
418 |
</iq>'); |
|
419 |
return $this->response($this->listen()); |
|
420 |
}
|
|
421 |
||
422 |
// Let's use TLS if SSL is not enabled and we can actually use it
|
|
423 |
if (!$this->session['ssl'] && $this->can_use_tls() && $this->can_use_ssl() && isset($xml['stream:features'][0]['#']['starttls'])) |
|
424 |
{
|
|
425 |
$this->add_to_log('Switching to TLS.'); |
|
426 |
$this->send("<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>\n"); |
|
427 |
return $this->response($this->listen()); |
|
428 |
}
|
|
429 |
||
430 |
// Does the server support SASL authentication?
|
|
431 |
||
432 |
// I hope so, because we do (and no other method).
|
|
433 |
if (isset($xml['stream:features'][0]['#']['mechanisms'][0]['@']['xmlns']) && $xml['stream:features'][0]['#']['mechanisms'][0]['@']['xmlns'] == 'urn:ietf:params:xml:ns:xmpp-sasl') |
|
434 |
{
|
|
435 |
// Now decide on method
|
|
436 |
$methods = array(); |
|
437 |
||
438 |
foreach ($xml['stream:features'][0]['#']['mechanisms'][0]['#']['mechanism'] as $value) |
|
439 |
{
|
|
440 |
$methods[] = $value['#']; |
|
441 |
}
|
|
442 |
||
443 |
// we prefer DIGEST-MD5
|
|
444 |
// we don't want to use plain authentication (neither does the server usually) if no encryption is in place
|
|
445 |
||
446 |
// http://www.xmpp.org/extensions/attic/jep-0078-1.7.html
|
|
447 |
// The plaintext mechanism SHOULD NOT be used unless the underlying stream is encrypted (using SSL or TLS)
|
|
448 |
// and the client has verified that the server certificate is signed by a trusted certificate authority.
|
|
449 |
||
450 |
if (in_array('DIGEST-MD5', $methods)) |
|
451 |
{
|
|
452 |
$this->send("<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='DIGEST-MD5'/>"); |
|
453 |
}
|
|
454 |
else if (in_array('PLAIN', $methods) && ($this->session['ssl'] || !empty($this->session['tls']))) |
|
455 |
{
|
|
456 |
$this->send("<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='PLAIN'>" |
|
457 |
. base64_encode(chr(0) . $this->username . '@' . $this->server . chr(0) . $this->password) . |
|
458 |
'</auth>'); |
|
459 |
}
|
|
460 |
else if (in_array('ANONYMOUS', $methods)) |
|
461 |
{
|
|
462 |
$this->send("<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='ANONYMOUS'/>"); |
|
463 |
}
|
|
464 |
else
|
|
465 |
{
|
|
466 |
// not good...
|
|
467 |
$this->add_to_log('Error: No authentication method supported.'); |
|
468 |
$this->disconnect(); |
|
469 |
return false; |
|
470 |
}
|
|
471 |
||
472 |
return $this->response($this->listen()); |
|
473 |
}
|
|
474 |
else
|
|
475 |
{
|
|
476 |
// ok, this is it. bye.
|
|
477 |
$this->add_to_log('Error: Server does not offer SASL authentication.'); |
|
478 |
$this->disconnect(); |
|
479 |
return false; |
|
480 |
}
|
|
481 |
break; |
|
482 |
||
483 |
case 'challenge': |
|
484 |
// continue with authentication...a challenge literally -_-
|
|
485 |
$decoded = base64_decode($xml['challenge'][0]['#']); |
|
486 |
$decoded = $this->parse_data($decoded); |
|
487 |
||
488 |
if (!isset($decoded['digest-uri'])) |
|
489 |
{
|
|
490 |
$decoded['digest-uri'] = 'xmpp/'. $this->server; |
|
491 |
}
|
|
492 |
||
493 |
// better generate a cnonce, maybe it's needed
|
|
494 |
$str = ''; |
|
495 |
mt_srand((double)microtime()*10000000); |
|
496 |
||
497 |
for ($i = 0; $i < 32; $i++) |
|
498 |
{
|
|
499 |
$str .= chr(mt_rand(0, 255)); |
|
500 |
}
|
|
501 |
$decoded['cnonce'] = base64_encode($str); |
|
502 |
||
503 |
// second challenge?
|
|
504 |
if (isset($decoded['rspauth'])) |
|
505 |
{
|
|
506 |
$this->send("<response xmlns='urn:ietf:params:xml:ns:xmpp-sasl'/>"); |
|
507 |
}
|
|
508 |
else
|
|
509 |
{
|
|
510 |
// Make sure we only use 'auth' for qop (relevant for $this->encrypt_password())
|
|
511 |
// If the <response> is choking up on the changed parameter we may need to adjust encrypt_password() directly
|
|
512 |
if (isset($decoded['qop']) && $decoded['qop'] != 'auth' && strpos($decoded['qop'], 'auth') !== false) |
|
513 |
{
|
|
514 |
$decoded['qop'] = 'auth'; |
|
515 |
}
|
|
516 |
||
517 |
$response = array( |
|
518 |
'username' => $this->username, |
|
519 |
'response' => $this->encrypt_password(array_merge($decoded, array('nc' => '00000001'))), |
|
520 |
'charset' => 'utf-8', |
|
521 |
'nc' => '00000001', |
|
522 |
);
|
|
523 |
||
524 |
foreach (array('nonce', 'qop', 'digest-uri', 'realm', 'cnonce') as $key) |
|
525 |
{
|
|
526 |
if (isset($decoded[$key])) |
|
527 |
{
|
|
528 |
$response[$key] = $decoded[$key]; |
|
529 |
}
|
|
530 |
}
|
|
531 |
||
532 |
$this->send("<response xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>" . base64_encode($this->implode_data($response)) . '</response>'); |
|
533 |
}
|
|
534 |
||
535 |
return $this->response($this->listen()); |
|
536 |
break; |
|
537 |
||
538 |
case 'failure': |
|
539 |
$this->add_to_log('Error: Server sent "failure".'); |
|
540 |
$this->disconnect(); |
|
541 |
return false; |
|
542 |
break; |
|
543 |
||
544 |
case 'proceed': |
|
545 |
// continue switching to TLS
|
|
546 |
$meta = stream_get_meta_data($this->connection); |
|
547 |
socket_set_blocking($this->connection, 1); |
|
548 |
||
549 |
if (!stream_socket_enable_crypto($this->connection, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) |
|
550 |
{
|
|
551 |
$this->add_to_log('Error: TLS mode change failed.'); |
|
552 |
return false; |
|
553 |
}
|
|
554 |
||
555 |
socket_set_blocking($this->connection, $meta['blocked']); |
|
556 |
$this->session['tls'] = true; |
|
557 |
||
558 |
// new stream
|
|
559 |
$this->send("<?xml version='1.0' encoding='UTF-8' ?" . ">\n"); |
|
560 |
$this->send("<stream:stream to='{$this->server}' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>\n"); |
|
561 |
||
562 |
return $this->response($this->listen()); |
|
563 |
break; |
|
564 |
||
565 |
case 'success': |
|
566 |
// Yay, authentication successful.
|
|
567 |
$this->send("<stream:stream to='{$this->server}' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>\n"); |
|
568 |
$this->session['authenticated'] = true; |
|
569 |
||
570 |
// we have to wait for another response
|
|
571 |
return $this->response($this->listen()); |
|
572 |
break; |
|
573 |
||
574 |
case 'iq': |
|
575 |
// we are not interested in IQs we did not expect
|
|
576 |
if (!isset($xml['iq'][0]['@']['id'])) |
|
577 |
{
|
|
578 |
return false; |
|
579 |
}
|
|
580 |
||
581 |
// multiple possibilities here
|
|
582 |
switch ($xml['iq'][0]['@']['id']) |
|
583 |
{
|
|
584 |
case 'bind_1': |
|
585 |
$this->session['jid'] = $xml['iq'][0]['#']['bind'][0]['#']['jid'][0]['#']; |
|
586 |
||
587 |
// and (maybe) yet another request to be able to send messages *finally*
|
|
588 |
if ($this->session['sess_required']) |
|
589 |
{
|
|
590 |
$this->send("<iq to='{$this->server}' type='set' id='sess_1'> |
|
591 |
<session xmlns='urn:ietf:params:xml:ns:xmpp-session'/>
|
|
592 |
</iq>"); |
|
593 |
return $this->response($this->listen()); |
|
594 |
}
|
|
595 |
||
596 |
return true; |
|
597 |
break; |
|
598 |
||
599 |
case 'sess_1': |
|
600 |
return true; |
|
601 |
break; |
|
602 |
||
603 |
case 'reg_1': |
|
604 |
$this->send("<iq type='set' id='reg_2'> |
|
605 |
<query xmlns='jabber:iq:register'>
|
|
606 |
<username>" . utf8_htmlspecialchars($this->username) . "</username> |
|
607 |
<password>" . utf8_htmlspecialchars($this->password) . "</password> |
|
608 |
</query>
|
|
609 |
</iq>"); |
|
610 |
return $this->response($this->listen()); |
|
611 |
break; |
|
612 |
||
613 |
case 'reg_2': |
|
614 |
// registration end
|
|
615 |
if (isset($xml['iq'][0]['#']['error'])) |
|
616 |
{
|
|
617 |
$this->add_to_log('Warning: Registration failed.'); |
|
618 |
return false; |
|
619 |
}
|
|
620 |
return true; |
|
621 |
break; |
|
622 |
||
623 |
case 'unreg_1': |
|
624 |
return true; |
|
625 |
break; |
|
626 |
||
627 |
default: |
|
628 |
$this->add_to_log('Notice: Received unexpected IQ.'); |
|
629 |
return false; |
|
630 |
break; |
|
631 |
}
|
|
632 |
break; |
|
633 |
||
634 |
case 'message': |
|
635 |
// we are only interested in content...
|
|
636 |
if (!isset($xml['message'][0]['#']['body'])) |
|
637 |
{
|
|
638 |
return false; |
|
639 |
}
|
|
640 |
||
641 |
$message['body'] = $xml['message'][0]['#']['body'][0]['#']; |
|
642 |
$message['from'] = $xml['message'][0]['@']['from']; |
|
643 |
||
644 |
if (isset($xml['message'][0]['#']['subject'])) |
|
645 |
{
|
|
646 |
$message['subject'] = $xml['message'][0]['#']['subject'][0]['#']; |
|
647 |
}
|
|
648 |
$this->session['messages'][] = $message; |
|
649 |
break; |
|
650 |
||
651 |
default: |
|
652 |
// hm...don't know this response
|
|
653 |
$this->add_to_log('Notice: Unknown server response (' . key($xml) . ')'); |
|
654 |
return false; |
|
655 |
break; |
|
656 |
}
|
|
657 |
}
|
|
658 |
||
659 |
function send_message($to, $text, $subject = '', $type = 'normal') |
|
660 |
{
|
|
661 |
if (!isset($this->session['jid'])) |
|
662 |
{
|
|
663 |
return false; |
|
664 |
}
|
|
665 |
||
666 |
if (!in_array($type, array('chat', 'normal', 'error', 'groupchat', 'headline'))) |
|
667 |
{
|
|
668 |
$type = 'normal'; |
|
669 |
}
|
|
670 |
||
671 |
return $this->send("<message from='" . utf8_htmlspecialchars($this->session['jid']) . "' to='" . utf8_htmlspecialchars($to) . "' type='$type' id='" . uniqid('msg') . "'> |
|
672 |
<subject>" . utf8_htmlspecialchars($subject) . "</subject> |
|
673 |
<body>" . utf8_htmlspecialchars($text) . "</body> |
|
674 |
</message>"
|
|
675 |
);
|
|
676 |
}
|
|
677 |
||
678 |
/**
|
|
679 |
* Encrypts a password as in RFC 2831
|
|
680 |
* @param array $data Needs data from the client-server connection
|
|
681 |
* @access public
|
|
682 |
* @return string
|
|
683 |
*/
|
|
684 |
function encrypt_password($data) |
|
685 |
{
|
|
686 |
// let's me think about <challenge> again...
|
|
687 |
foreach (array('realm', 'cnonce', 'digest-uri') as $key) |
|
688 |
{
|
|
689 |
if (!isset($data[$key])) |
|
690 |
{
|
|
691 |
$data[$key] = ''; |
|
692 |
}
|
|
693 |
}
|
|
694 |
||
695 |
$pack = md5($this->username . ':' . $data['realm'] . ':' . $this->password); |
|
696 |
||
697 |
if (isset($data['authzid'])) |
|
698 |
{
|
|
699 |
$a1 = pack('H32', $pack) . sprintf(':%s:%s:%s', $data['nonce'], $data['cnonce'], $data['authzid']); |
|
700 |
}
|
|
701 |
else
|
|
702 |
{
|
|
703 |
$a1 = pack('H32', $pack) . sprintf(':%s:%s', $data['nonce'], $data['cnonce']); |
|
704 |
}
|
|
705 |
||
706 |
// should be: qop = auth
|
|
707 |
$a2 = 'AUTHENTICATE:'. $data['digest-uri']; |
|
708 |
||
709 |
return md5(sprintf('%s:%s:%s:%s:%s:%s', md5($a1), $data['nonce'], $data['nc'], $data['cnonce'], $data['qop'], md5($a2))); |
|
710 |
}
|
|
711 |
||
712 |
/**
|
|
713 |
* parse_data like a="b",c="d",... or like a="a, b", c, d="e", f=g,...
|
|
714 |
* @param string $data
|
|
715 |
* @access public
|
|
716 |
* @return array a => b ...
|
|
717 |
*/
|
|
718 |
function parse_data($data) |
|
719 |
{
|
|
720 |
$data = explode(',', $data); |
|
721 |
$pairs = array(); |
|
722 |
$key = false; |
|
723 |
||
724 |
foreach ($data as $pair) |
|
725 |
{
|
|
726 |
$dd = strpos($pair, '='); |
|
727 |
||
728 |
if ($dd) |
|
729 |
{
|
|
730 |
$key = trim(substr($pair, 0, $dd)); |
|
731 |
$pairs[$key] = trim(trim(substr($pair, $dd + 1)), '"'); |
|
732 |
}
|
|
733 |
else if (strpos(strrev(trim($pair)), '"') === 0 && $key) |
|
734 |
{
|
|
735 |
// We are actually having something left from "a, b" values, add it to the last one we handled.
|
|
736 |
$pairs[$key] .= ',' . trim(trim($pair), '"'); |
|
737 |
continue; |
|
738 |
}
|
|
739 |
}
|
|
740 |
||
741 |
return $pairs; |
|
742 |
}
|
|
743 |
||
744 |
/**
|
|
745 |
* opposite of jabber::parse_data()
|
|
746 |
* @param array $data
|
|
747 |
* @access public
|
|
748 |
* @return string
|
|
749 |
*/
|
|
750 |
function implode_data($data) |
|
751 |
{
|
|
752 |
$return = array(); |
|
753 |
foreach ($data as $key => $value) |
|
754 |
{
|
|
755 |
$return[] = $key . '="' . $value . '"'; |
|
756 |
}
|
|
757 |
return implode(',', $return); |
|
758 |
}
|
|
759 |
||
760 |
/**
|
|
761 |
* xmlize()
|
|
762 |
* @author Hans Anderson
|
|
763 |
* @copyright Hans Anderson / http://www.hansanderson.com/php/xml/
|
|
764 |
*/
|
|
765 |
function xmlize($data, $skip_white = 1, $encoding = 'UTF-8') |
|
766 |
{
|
|
767 |
$data = trim($data); |
|
768 |
||
769 |
if (substr($data, 0, 5) != '<?xml') |
|
770 |
{
|
|
771 |
// mod
|
|
772 |
$data = '<root>'. $data . '</root>'; |
|
773 |
}
|
|
774 |
||
775 |
$vals = $index = $array = array(); |
|
776 |
$parser = xml_parser_create($encoding); |
|
777 |
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0); |
|
778 |
xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, $skip_white); |
|
779 |
xml_parse_into_struct($parser, $data, $vals, $index); |
|
780 |
xml_parser_free($parser); |
|
781 |
||
782 |
$i = 0; |
|
783 |
$tagname = $vals[$i]['tag']; |
|
784 |
||
785 |
$array[$tagname][0]['@'] = (isset($vals[$i]['attributes'])) ? $vals[$i]['attributes'] : array(); |
|
786 |
$array[$tagname][0]['#'] = $this->_xml_depth($vals, $i); |
|
787 |
||
788 |
if (substr($data, 0, 5) != '<?xml') |
|
789 |
{
|
|
790 |
$array = $array['root'][0]['#']; |
|
791 |
}
|
|
792 |
||
793 |
return $array; |
|
794 |
}
|
|
795 |
||
796 |
/**
|
|
797 |
* _xml_depth()
|
|
798 |
* @author Hans Anderson
|
|
799 |
* @copyright Hans Anderson / http://www.hansanderson.com/php/xml/
|
|
800 |
*/
|
|
801 |
function _xml_depth($vals, &$i) |
|
802 |
{
|
|
803 |
$children = array(); |
|
804 |
||
805 |
if (isset($vals[$i]['value'])) |
|
806 |
{
|
|
807 |
array_push($children, $vals[$i]['value']); |
|
808 |
}
|
|
809 |
||
810 |
while (++$i < sizeof($vals)) |
|
811 |
{
|
|
812 |
switch ($vals[$i]['type']) |
|
813 |
{
|
|
814 |
case 'open': |
|
815 |
||
816 |
$tagname = (isset($vals[$i]['tag'])) ? $vals[$i]['tag'] : ''; |
|
817 |
$size = (isset($children[$tagname])) ? sizeof($children[$tagname]) : 0; |
|
818 |
||
819 |
if (isset($vals[$i]['attributes'])) |
|
820 |
{
|
|
821 |
$children[$tagname][$size]['@'] = $vals[$i]['attributes']; |
|
822 |
}
|
|
823 |
||
824 |
$children[$tagname][$size]['#'] = $this->_xml_depth($vals, $i); |
|
825 |
||
826 |
break; |
|
827 |
||
828 |
case 'cdata': |
|
829 |
array_push($children, $vals[$i]['value']); |
|
830 |
break; |
|
831 |
||
832 |
case 'complete': |
|
833 |
||
834 |
$tagname = $vals[$i]['tag']; |
|
835 |
$size = (isset($children[$tagname])) ? sizeof($children[$tagname]) : 0; |
|
836 |
$children[$tagname][$size]['#'] = (isset($vals[$i]['value'])) ? $vals[$i]['value'] : array(); |
|
837 |
||
838 |
if (isset($vals[$i]['attributes'])) |
|
839 |
{
|
|
840 |
$children[$tagname][$size]['@'] = $vals[$i]['attributes']; |
|
841 |
}
|
|
842 |
||
843 |
break; |
|
844 |
||
845 |
case 'close': |
|
846 |
return $children; |
|
847 |
break; |
|
848 |
}
|
|
849 |
}
|
|
850 |
||
851 |
return $children; |
|
852 |
}
|
|
853 |
}
|
|
854 |
||
855 |
?>
|