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source: trunk/instant_messenger/inc/Jabber.abstract.php @ 164

Revision 164, 10.3 KB checked in by niltonneto, 16 years ago (diff)

Property svn:eol-style set to `native` Property svn:executable set to ``*

Line
1	<?php
2	/*
3	+---------------------------------------------------------------------------------+
4	\| \|
5	\| @FILE: Jabber.abstract.php \|
6	\| @ABSTRACT: Jabber \|
7	\| @EXTENDS: Socket (Socket.class.php) \|
8	\| \|
9	\| @DATE: Wed May,16 2007 08:18:59 \|
10	\| @LAST_CHANGE: Wed May,16 2007 09:03:28 \|
11	\| \|
12	\| @AUTHOR: [NUTS] Rodrigo Souza - rodrigosouzadossantos [at] gmail [dot] com \|
13	\| \|
14	\| @BRIEF: Abstract class for connect with any Jabber server \|
15	\| \|
16	+---------------------------------------------------------------------------------+
17	*/
18
19	require_once 'Socket.abstract.php';
20
21	abstract class Jabber extends Socket
22	{
23	const J_FILE = 'Jabber.log';
24	const J_ALL = false;
25	const J_ERROR = true;
26	const J_WARNING = true;
27	const J_NOTICE = true;
28
29	const ALL = 'ALL';
30	const ERROR = 'ERROR';
31	const WARNING = 'WARNING';
32	const NOTICE = 'NOTICE';
33
34	private final function _connect( $pUser = false, $pPassword = false, $pConnectionType = false )
35	{
36	try
37	{
38	if ( !preg_match('/^(.+)@(.+)\/(.+):(\d+)$/',$pUser, $matches) )
39	throw new Exception('[connect] #1 ' . $pUser . ' must be [USER]@[DOMAIN]/[RESOURCE]:[PORT] and [PORT] is integer. File: ' . __FILE__ . ' :: ' . __LINE__);
40
41	list($subject, $USER, $SERVER, $RESOURCE, $PORT) = $matches;
42
43	if ( !($socket = $this->open('tcp://' . $SERVER . ':' . $PORT, 1, 1)) )
44	throw new Exception('[connect] #2 can\'t access tcp://' . $SERVER . ':' . $PORT . '. File: ' . __FILE__ . ' :: ' . __LINE__);
45
46	$this->_socket = $socket;
47
48	$return = fread($socket, 4096);
49	fwrite($socket, $pUser);
50
51	$return = fread($socket, 4096);
52	fwrite($socket, $pPassword);
53
54	$return = fread($socket, 4096);
55	fwrite($socket, $pConnectionType);
56
57	$return = fread($socket, 4096);
58
59	if ( $return == "new" )
60	{
61	$xml = "<?xml version='1.0' encoding='UTF-8'?>";
62	$xml .= "<stream:stream to='" . $SERVER . "' xmlns='jabber:client' ";
63	$xml .= "xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>";
64
65	if ( $this->write($xml) === false )
66	throw new Exception('[connect] #4 it isn\'t possible connect in the server becase exists a client connected with same user. File: ' . __FILE__ . ' :: ' . __LINE__);
67	}
68
69	$this->_server = $SERVER;
70	$this->_username = $USER;
71	$this->_password = $pPassword;
72	$this->_resource = $RESOURCE;
73
74	return $return;
75	}
76	catch(Exception $e)
77	{
78	$this->writeLog('ERROR', $e->getMessage());
79	return false;
80	}
81	}
82
83	protected function connect($pUser = false, $pPassword = false, $pConnectionType = false)
84	{
85	try
86	{
87	$_connect = $this->_connect($pUser, $pPassword, $pConnectionType);
88
89	if ( !$_connect )
90	throw new Exception('[connect] #0. File: ' . __FILE__ . ' :: ' . __LINE__);
91
92	if ( $_connect == "new" )
93	{
94	if ( ($xml = $this->read()) === false )
95	throw new Exception('[connect] #1 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
96
97	if ( preg_match('/(<starttls .*<required\/><\/starttls>)/', $xml, $matches) )
98	{
99	if ( !$this->starttls() )
100	throw new Exception('[connect] #2 it isn\'t possible start tls. File: ' . __FILE__ . ' :: ' . __LINE__);
101
102	# $this->writeLog('NOTICE', 'Connected TLS');
103	}
104	else
105	{
106	if ( !$this->_plain() )
107	throw new Exception('[connect] #3 it isn\'t possible carry out the verification. File: ' . __FILE__ . ' :: ' . __LINE__);
108	}
109	}
110
111	return $_connect;
112	}
113	catch(Exception $e)
114	{
115	$this->writeLog('ERROR', $e->getMessage());
116	$this->_disconnect();
117	return false;
118	}
119	}
120
121	protected final function _disconnect()
122	{
123	try
124	{
125	$xml = "</stream:stream>";
126
127	if ( $this->write($xml) === false )
128	throw new Exception('[disconnect] #1 Cannot write to socket (' . $this->_socket . '). File: ' . __FILE__ . ' :: ' . __LINE__);
129
130	if ( ($xml = $this->read()) === false )
131	throw new Exception('[disconnect] #2 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
132	}
133	catch(Exception $e)
134	{
135	$this->writeLog('ERROR', $e->getMessage());
136	return false;
137	}
138	}
139
140	private final function starttls()
141	{
142	try
143	{
144	$xml = "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>";
145	if ( $this->write($xml) === false )
146	throw new Exception('[starttls] #1 Cannot write to socket (' . $this->_socket . '). File: ' . __FILE__ . ' :: ' . __LINE__);
147
148	if ( ($xml = $this->read()) === false )
149	throw new Exception('[starttls] #2 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
150
151	if ( !preg_match('/<proceed.*\/>/', $xml, $matches) )
152	throw new Exception('[starttls] #3 can\'t start tls in the socket ' .$this->_socket . '. File: ' . __FILE__ . ' :: ' . __LINE__);
153
154	stream_socket_enable_crypto($this->_socket, TRUE, STREAM_CRYPTO_METHOD_TLS_CLIENT);
155
156	$xml = "<?xml version='1.0' encoding='UTF-8'?>";
157	$xml .= "<stream:stream to='" . $this->_server . "' xmlns='jabber:client' ";
158	$xml .= "xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>";
159	if ( $this->write($xml) === false )
160	throw new Exception('[starttls] #4 Cannot write to socket (' . $this->_socket . '). File: ' . __FILE__ . ' :: ' . __LINE__);
161
162	usleep(90000);
163	$this->blocking($this->_socket, 0);
164
165	if ( ($xml = $this->read()) === false )
166	throw new Exception('[starttls] #5 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
167
168	if ( !$this->_plain() )
169	throw new Exception('[starttls] #6 it isn\'t possible carry out the verification. File: ' . __FILE__ . ' :: ' . __LINE__);
170
171	return true;
172	}
173	catch(Exception $e)
174	{
175	$this->writeLog('ERROR', $e->getMessage());
176	return false;
177	}
178	}
179
180	private final function _plain()
181	{
182	try
183	{
184	$this->blocking($this->_socket, 0);
185
186	if ( ($xml = $this->read()) === false )
187	throw new Exception('[_plain] #1 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
188
189	$xml = "<username>" . $this->_username . "</username>";
190	$xml .= "<password>" . $this->_password . "</password>";
191	$xml .= "<resource>" . $this->_resource . "</resource>";
192
193	unset($this->_password);
194
195	if ( !$this->iq('set', 'auth_1', NULL, NULL, "jabber:iq:auth", $xml) )
196	throw new Exception('[_plain] #2 it isn\'t possible carry out the verification. File: ' . __FILE__ . ' :: ' . __LINE__);
197
198	while ( !preg_match("/<iq xmlns='jabber:client' id='auth_1' type='(result\|error)'/", ($readSocket = $this->read()), $matches) )
199	usleep(10000);
200
201	if($matches[1] == "error")
202	return false;
203
204	if ( ($xml = $this->read()) === false )
205	throw new Exception('[_plain] #3 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
206
207	return true;
208	}
209	catch(Exception $e)
210	{
211	$this->writeLog('ERROR', $e->getMessage());
212	return false;
213	}
214	}
215
216	private final function _iq($pType = false, $pId = false, $pTo = false, $pFrom = false, $pXmlns = false, $pLoad = false )
217	{
218	$xml = "<iq type='" . $pType . "' id='" . $pId . "'";
219	$xml .= ( $pTo ) ? " to='" . $pTo . "'" : "";
220	$xml .= ( $pFrom ) ? " from='" . $pFrom . "'" : "";
221
222	if ( $pXmlns == "vcard-temp" )
223	{
224	$xml .= ">";
225	$xml .= $pLoad;
226	}
227	else
228	{
229	$xml .= "><query xmlns='" . $pXmlns . "'";
230	$xml .= ( $pLoad ) ? ">" . $pLoad . "</query>" : "/>";
231	}
232
233	$xml .= "</iq>";
234
235	return $xml;
236	}
237
238	protected final function iq($pType = false, $pId = false, $pTo = false, $pFrom = false, $pXmlns = false, $pLoad = false)
239	{
240	try
241	{
242	if ( !preg_match("/^(get\|set\|result\|error)$/i", $pType, $matches) )
243	throw new Exception('[iq] #1 type must be GET, SET, RESULT or ERROR. File: ' . __FILE__ . ' :: ' . __LINE__);
244
245	if ( $this->write($this->_iq($pType, $pId, $pTo, $pFrom, $pXmlns, $pLoad)) === false )
246	throw new Exception('[iq] #2 Cannot write to socket (' . $this->_socket . '). File: ' . __FILE__ . ' :: ' . __LINE__);
247	else
248	return true;
249	}
250	catch(Exception $e)
251	{
252	$this->writeLog('ERROR', $e->getMessage());
253	return false;
254	}
255	}
256
257	protected final function presence($pType = false, $pTo = false, $pShow = false, $pStatus = false, $pPriority = false)
258	{
259	try
260	{
261	$xml = "<presence";
262	$xml .= ($pTo) ? " to='{$pTo}'" : '';
263	$xml .= ($pType) ? " type='{$pType}'" : '';
264
265	if ( !($pStatus \|\| $pShow \|\| $pPriority) )
266	$xml .= "/>";
267	else
268	{
269	$xml .= ">";
270	$xml .= ($pStatus) ? "<status>" . $pStatus . "</status>" : '';
271	$xml .= ($pShow) ? "<show>" . $pShow . "</show>" : '';
272	$xml .= ($pPriority) ? "<priority>" . $pPriority . "</priority>" : '';
273	$xml .= ($pStatus \|\| $pShow \|\| $pPriority) ? "</presence>" : '';
274	}
275
276	if ( $this->write($xml) === false )
277	throw new Exception('[presence] #1 it isn\'t possible send presence for ' . $this->_server . '. File: ' . __FILE__ . ' :: ' . __LINE__);
278
279	return true;
280	}
281	catch(Exception $e)
282	{
283	$this->writeLog('ERROR', $e->getMessage());
284	return false;
285	}
286	}
287
288	protected final function read()
289	{
290	$return = NULL;
291	do
292	{
293	$line = NULL;
294	$line = utf8_decode(parent::read($this->_socket, 4096));
295
296	if ( $line === false )
297	{
298	$return = false;
299	break;
300	}
301
302	if ( $line != NULL )
303	$return .= $line;// . "\n";
304	}
305	while ( $line != NULL );
306
307	return $return;
308	}
309
310	protected final function write($pData = false)
311	{
312	if ( !$pData )
313	return false;
314
315	return parent::write($this->_socket, utf8_encode($pData));
316	}
317
318	function __destruct()
319	{
320	$this->close($this->_socket);
321	}
322
323	protected final function writeLog($pType = false, $pLog = false)
324	{
325	if ( !defined('self::'.$pType) && !$pLog )
326	return false;
327
328	if ( !(bool)constant('self::J_'.$pType) && !(bool)constant('self::J_ALL') )
329	return false;
330
331	$log = date('m/d/Y H:i:s');
332	$log .= ' [' . constant('self::'.$pType) . '] :: ';
333	$log .= $pLog . "\n";
334	if ( $fp = fopen (self::J_FILE, "a+") )
335	{
336	fwrite($fp, $log);
337	fclose($fp);
338	}
339	}
340	}
341	?>

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