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source: trunk/instant_messenger/inc/Jabber.abstract.php @ 262

Revision 262, 9.8 KB checked in by niltonneto, 16 years ago (diff)

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 = $socket;
47
48	//stream_socket_enable_crypto($this->_socket, true, STREAM_CRYPTO_METHOD_TLS_CLIENT);
49
50	fwrite($socket, "{$USER}@{$SERVER}##{$pPassword}##{$pConnectionType}");
51
52	$return = fread($socket, 3);
53
54	if ( $return == "new" )
55	{
56	$xml = "<?xml version='1.0' ?>";
57	$xml .= "<stream:stream to='" . $SERVER . "' xmlns='jabber:client' ";
58	$xml .= "xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>";
59
60	if ( $this->write($xml) === false )
61	throw new Exception('[connect] #4 it isn\'t possible connect in the server because exists a client connected with same user. File: ' . __FILE__ . ' :: ' . __LINE__);
62	}
63
64	$this->_server = $SERVER;
65	$this->_username = $USER;
66	$this->_password = $pPassword;
67	$this->_resource = $RESOURCE;
68
69	return $return;
70	}
71	catch(Exception $e)
72	{
73	$this->writeLog('ERROR', $e->getMessage());
74	return false;
75	}
76	}
77
78	protected function connect($pUser = false, $pPassword = false, $pConnectionType = false)
79	{
80	try
81	{
82	$_connect = $this->_connect($pUser, $pPassword, $pConnectionType);
83
84	if ( !$_connect )
85	throw new Exception('[connect] #0. File: ' . __FILE__ . ' :: ' . __LINE__);
86
87	if ( $_connect == "new" )
88	{
89	if ( ($xml = $this->read()) === false )
90	throw new Exception('[connect] #1 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
91
92
93	if ( preg_match('/(<starttls .*<required\/><\/starttls>)/', $xml, $matches) )
94	{
95	if ( !$this->starttls() )
96	throw new Exception('[connect] #2 it isn\'t possible start tls. File: ' . __FILE__ . ' :: ' . __LINE__);
97
98	# $this->writeLog('NOTICE', 'Connected TLS');
99	}
100	else
101	{
102	if ( !$this->_plain() )
103	throw new Exception('[connect] #3 it isn\'t possible carry out the verification. File: ' . __FILE__ . ' :: ' . __LINE__);
104	}
105	}
106
107	return $_connect;
108	}
109	catch(Exception $e)
110	{
111	$this->writeLog('ERROR', $e->getMessage());
112	$this->_disconnect();
113	return false;
114	}
115	}
116
117	protected final function _disconnect()
118	{
119	try
120	{
121	$xml = "</stream:stream>";
122
123	#if ( $this->write($xml) === false )
124	# throw new Exception('[disconnect] #1 Cannot write to socket (' . $this->_socket . '). File: ' . __FILE__ . ' :: ' . __LINE__);
125
126	#if ( ($xml = $this->read()) === false )
127	# throw new Exception('[disconnect] #2 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
128	}
129	catch(Exception $e)
130	{
131	$this->writeLog('ERROR', $e->getMessage());
132	return false;
133	}
134	}
135
136	private final function starttls()
137	{
138	try
139	{
140	$xml = "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>";
141	if ( $this->write($xml) === false )
142	throw new Exception('[starttls] #1 Cannot write to socket (' . $this->_socket . '). File: ' . __FILE__ . ' :: ' . __LINE__);
143
144	usleep(50000);
145	fread($this->_socket, 4096);
146
147	stream_socket_enable_crypto($this->_socket, true, STREAM_CRYPTO_METHOD_TLS_CLIENT);
148
149	$xml = "<?xml version='1.0' encoding='UTF-8'?>";
150	$xml .= "<stream:stream to='" . $this->_server . "' xmlns='jabber:client' ";
151	$xml .= "xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>";
152
153	if ( $this->write($xml) === false )
154	throw new Exception('[starttls] #2 Cannot write to socket (' . $this->_socket . '). File: ' . __FILE__ . ' :: ' . __LINE__);
155
156	usleep(50000);
157
158	fread($this->_socket, 4096);
159
160	usleep(50000);
161
162	fread($this->_socket, 4096);
163
164	if ( !$this->_plain() )
165	throw new Exception('[starttls] #3 it isn\'t possible carry out the verification. File: ' . __FILE__ . ' :: ' . __LINE__);
166
167	return true;
168	}
169	catch(Exception $e)
170	{
171	$this->writeLog('ERROR', $e->getMessage());
172	return false;
173	}
174	}
175
176	private final function _plain()
177	{
178	try
179	{
180	$this->blocking($this->_socket, 0);
181
182	if ( ($xml = $this->read()) === false )
183	throw new Exception('[_plain] #1 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
184
185	$xml = "<username>" . $this->_username . "</username>";
186	$xml .= "<password>" . $this->_password . "</password>";
187	$xml .= "<resource>" . $this->_resource . "</resource>";
188
189	unset($this->_password);
190
191	if ( !$this->iq('set', 'auth_1', NULL, NULL, "jabber:iq:auth", $xml) )
192	throw new Exception('[_plain] #2 it isn\'t possible carry out the verification. File: ' . __FILE__ . ' :: ' . __LINE__);
193
194	while ( !preg_match("/<iq xmlns='jabber:client' id='auth_1' type='(result\|error)'/", ($readSocket = $this->read()), $matches) )
195	usleep(10000);
196
197	if($matches[1] == "error")
198	return false;
199
200	if ( ($xml = $this->read()) === false )
201	throw new Exception('[_plain] #3 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
202
203	return true;
204	}
205	catch(Exception $e)
206	{
207	$this->writeLog('ERROR', $e->getMessage());
208	return false;
209	}
210	}
211
212	private final function _iq($pType = false, $pId = false, $pTo = false, $pFrom = false, $pXmlns = false, $pLoad = false )
213	{
214	$xml = "<iq type='" . $pType . "' id='" . $pId . "'";
215	$xml .= ( $pTo ) ? " to='" . $pTo . "'" : "";
216	$xml .= ( $pFrom ) ? " from='" . $pFrom . "'" : "";
217
218	if ( $pXmlns == "vcard-temp" )
219	{
220	$xml .= ">";
221	$xml .= $pLoad;
222	}
223	else
224	{
225	$xml .= "><query xmlns='" . $pXmlns . "'";
226	$xml .= ( $pLoad ) ? ">" . $pLoad . "</query>" : "/>";
227	}
228
229	$xml .= "</iq>";
230
231	return $xml;
232	}
233
234	protected final function iq($pType = false, $pId = false, $pTo = false, $pFrom = false, $pXmlns = false, $pLoad = false)
235	{
236	try
237	{
238	if ( !preg_match("/^(get\|set\|result\|error)$/i", $pType, $matches) )
239	throw new Exception('[iq] #1 type must be GET, SET, RESULT or ERROR. File: ' . __FILE__ . ' :: ' . __LINE__);
240
241	if ( $this->write($this->_iq($pType, $pId, $pTo, $pFrom, $pXmlns, $pLoad)) === false )
242	throw new Exception('[iq] #2 Cannot write to socket (' . $this->_socket . '). File: ' . __FILE__ . ' :: ' . __LINE__);
243	else
244	return true;
245	}
246	catch(Exception $e)
247	{
248	$this->writeLog('ERROR', $e->getMessage());
249	return false;
250	}
251	}
252
253	protected final function presence($pType = false, $pTo = false, $pShow = false, $pStatus = false, $pPriority = false)
254	{
255	try
256	{
257	$xml = "<presence";
258	$xml .= ($pTo) ? " to='{$pTo}'" : '';
259	$xml .= ($pType) ? " type='{$pType}'" : '';
260
261	if ( !($pStatus \|\| $pShow \|\| $pPriority) )
262	$xml .= "/>";
263	else
264	{
265	$xml .= ">";
266	$xml .= ($pStatus) ? "<status>" . $pStatus . "</status>" : '';
267	$xml .= ($pShow) ? "<show>" . $pShow . "</show>" : '';
268	$xml .= ($pPriority) ? "<priority>" . $pPriority . "</priority>" : '';
269	$xml .= ($pStatus \|\| $pShow \|\| $pPriority) ? "</presence>" : '';
270	}
271
272	if ( $this->write($xml) === false )
273	throw new Exception('[presence] #1 it isn\'t possible send presence for ' . $this->_server . '. File: ' . __FILE__ . ' :: ' . __LINE__);
274
275	return true;
276	}
277	catch(Exception $e)
278	{
279	$this->writeLog('ERROR', $e->getMessage());
280	return false;
281	}
282	}
283
284	protected final function read()
285	{
286	$return = NULL;
287	do
288	{
289	$line = NULL;
290	$line = utf8_decode(parent::read($this->_socket, 4096));
291
292	if ( $line === false )
293	{
294	$return = false;
295	break;
296	}
297
298	if ( $line != NULL )
299	$return .= $line;// . "\n";
300	}
301	while ( $line != NULL );
302
303	return $return;
304	}
305
306	protected final function write($pData = false)
307	{
308	if ( !$pData )
309	return false;
310
311	return parent::write($this->_socket, utf8_encode($pData));
312	}
313
314	function __destruct()
315	{
316	$this->close($this->_socket);
317	}
318
319	protected final function writeLog($pType = false, $pLog = false)
320	{
321	if ( !defined('self::'.$pType) && !$pLog )
322	return false;
323
324	if ( !(bool)constant('self::J_'.$pType) && !(bool)constant('self::J_ALL') )
325	return false;
326
327	$log = date('m/d/Y H:i:s');
328	$log .= ' [' . constant('self::'.$pType) . '] :: ';
329	$log .= $pLog . "\n";
330	if ( $fp = fopen (self::J_FILE, "a+") )
331	{
332	fwrite($fp, $log);
333	fclose($fp);
334	}
335	}
336	}
337	?>

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