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source: trunk/instant_messenger/inc/Jabber.abstract.php @ 151

Revision 151, 10.2 KB checked in by niltonneto, 16 years ago (diff)

Commit da nova versão do módulo, usando agente em C.
Vide Página do módulo do Trac:
http://www.expressolivre.org/dev/wiki/messenger

A versão anterior encontra-se na subpasta bkp (32/64).

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, $pPassword = false )
35	{
36	try
37	{
38	if ( !preg_match('/^(.+)@(.+)\/(.+):(\d+)$/',$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	#echo __FUNCTION__ . "<br>\n";
56	#var_dump($return);
57	#exit;
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 = $RESOURCE;
73
74	#var_dump($return);
75	#exit;
76	return $return;
77	}
78	catch(Exception $e)
79	{
80	$this->writeLog('ERROR', $e->getMessage());
81	return false;
82	}
83	}
84
85	protected function connect( $pUser = false, $pPassword = false )
86	{
87	try
88	{
89	$_connect = $this->_connect($pUser, $pPassword);
90
91	if ( !$_connect )
92	throw new Exception('[connect] #0. File: ' . __FILE__ . ' :: ' . __LINE__);
93
94	if ( $_connect == "new" )
95	{
96	if ( ($xml = $this->read()) === false )
97	throw new Exception('[connect] #1 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
98
99	if ( preg_match('/(<starttls .*<required\/><\/starttls>)/', $xml, $matches) )
100	{
101	if ( !$this->starttls() )
102	throw new Exception('[connect] #2 it isn\'t possible start tls. File: ' . __FILE__ . ' :: ' . __LINE__);
103
104	# $this->writeLog('NOTICE', 'Connected TLS');
105	}
106	else
107	{
108	if ( !$this->_plain() )
109	throw new Exception('[connect] #3 it isn\'t possible carry out the verification. File: ' . __FILE__ . ' :: ' . __LINE__);
110	}
111	}
112
113	return $_connect;
114	}
115	catch(Exception $e)
116	{
117	$this->writeLog('ERROR', $e->getMessage());
118	$this->_disconnect();
119	return false;
120	}
121	}
122
123	protected final function _disconnect()
124	{
125	try
126	{
127	$xml = "</stream:stream>";
128
129	if ( $this->write($xml) === false )
130	throw new Exception('[disconnect] #1 Cannot write to socket (' . $this->_socket . '). File: ' . __FILE__ . ' :: ' . __LINE__);
131
132	if ( ($xml = $this->read()) === false )
133	throw new Exception('[disconnect] #2 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
134	}
135	catch(Exception $e)
136	{
137	$this->writeLog('ERROR', $e->getMessage());
138	return false;
139	}
140	}
141
142	private final function starttls()
143	{
144	try
145	{
146	$xml = "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>";
147	if ( $this->write($xml) === false )
148	throw new Exception('[starttls] #1 Cannot write to socket (' . $this->_socket . '). File: ' . __FILE__ . ' :: ' . __LINE__);
149
150	if ( ($xml = $this->read()) === false )
151	throw new Exception('[starttls] #2 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
152
153	if ( !preg_match('/<proceed.*\/>/', $xml, $matches) )
154	throw new Exception('[starttls] #3 can\'t start tls in the socket ' .$this->_socket . '. File: ' . __FILE__ . ' :: ' . __LINE__);
155
156	stream_socket_enable_crypto($this->_socket, TRUE, STREAM_CRYPTO_METHOD_TLS_CLIENT);
157
158	$xml = "<?xml version='1.0' encoding='UTF-8'?>";
159	$xml .= "<stream:stream to='" . $this->_server . "' xmlns='jabber:client' ";
160	$xml .= "xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>";
161	if ( $this->write($xml) === false )
162	throw new Exception('[starttls] #4 Cannot write to socket (' . $this->_socket . '). File: ' . __FILE__ . ' :: ' . __LINE__);
163
164	usleep(90000);
165	$this->blocking($this->_socket, 0);
166
167	if ( ($xml = $this->read()) === false )
168	throw new Exception('[starttls] #5 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
169
170	if ( !$this->_plain() )
171	throw new Exception('[starttls] #6 it isn\'t possible carry out the verification. File: ' . __FILE__ . ' :: ' . __LINE__);
172
173	return true;
174	}
175	catch(Exception $e)
176	{
177	$this->writeLog('ERROR', $e->getMessage());
178	return false;
179	}
180	}
181
182	private final function _plain()
183	{
184	try
185	{
186	$this->blocking($this->_socket, 0);
187
188	if ( ($xml = $this->read()) === false )
189	throw new Exception('[_plain] #1 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
190
191	$xml = "<username>" . $this->_username . "</username>";
192	$xml .= "<password>" . $this->_password . "</password>";
193	$xml .= "<resource>" . $this->_resource . "</resource>";
194
195	unset($this->_password);
196
197	if ( !$this->iq('set', 'auth_1', NULL, NULL, "jabber:iq:auth", $xml) )
198	throw new Exception('[_plain] #2 it isn\'t possible carry out the verification. File: ' . __FILE__ . ' :: ' . __LINE__);
199
200	while ( !preg_match("/<iq xmlns='jabber:client' id='auth_1' type='(result\|error)'/", ($readSocket = $this->read()), $matches) )
201	usleep(10000);
202
203	if($matches[1] == "error")
204	return false;
205
206	if ( ($xml = $this->read()) === false )
207	throw new Exception('[_plain] #3 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
208
209	return true;
210	}
211	catch(Exception $e)
212	{
213	$this->writeLog('ERROR', $e->getMessage());
214	return false;
215	}
216	}
217
218	private final function _iq($pType = false, $pId = false, $pTo = false, $pFrom = false, $pXmlns = false, $pLoad = false )
219	{
220	$xml = "<iq type='" . $pType . "' id='" . $pId . "'";
221	$xml .= ( $pTo ) ? " to='" . $pTo . "'" : "";
222	$xml .= ( $pFrom ) ? " from='" . $pFrom . "'" : "";
223
224	if ( $pXmlns == "vcard-temp" )
225	{
226	$xml .= ">";
227	$xml .= $pLoad;
228	}
229	else
230	{
231	$xml .= "><query xmlns='" . $pXmlns . "'";
232	$xml .= ( $pLoad ) ? ">" . $pLoad . "</query>" : "/>";
233	}
234
235	$xml .= "</iq>";
236
237	return $xml;
238	}
239
240	protected final function iq($pType = false, $pId = false, $pTo = false, $pFrom = false, $pXmlns = false, $pLoad = false)
241	{
242	try
243	{
244	if ( !preg_match("/^(get\|set\|result\|error)$/i", $pType, $matches) )
245	throw new Exception('[iq] #1 type must be GET, SET, RESULT or ERROR. File: ' . __FILE__ . ' :: ' . __LINE__);
246
247	if ( $this->write($this->_iq($pType, $pId, $pTo, $pFrom, $pXmlns, $pLoad)) === false )
248	throw new Exception('[iq] #2 Cannot write to socket (' . $this->_socket . '). File: ' . __FILE__ . ' :: ' . __LINE__);
249	else
250	return true;
251	}
252	catch(Exception $e)
253	{
254	$this->writeLog('ERROR', $e->getMessage());
255	return false;
256	}
257	}
258
259	protected final function presence($pType = false, $pTo = false, $pShow = false, $pStatus = false, $pPriority = false)
260	{
261	try
262	{
263	$xml = "<presence";
264	$xml .= ($pTo) ? " to='{$pTo}'" : '';
265	$xml .= ($pType) ? " type='{$pType}'" : '';
266
267	if ( !($pStatus \|\| $pShow \|\| $pPriority) )
268	$xml .= "/>";
269	else
270	{
271	$xml .= ">";
272	$xml .= ($pStatus) ? "<status>" . $pStatus . "</status>" : '';
273	$xml .= ($pShow) ? "<show>" . $pShow . "</show>" : '';
274	$xml .= ($pPriority) ? "<priority>" . $pPriority . "</priority>" : '';
275	$xml .= ($pStatus \|\| $pShow \|\| $pPriority) ? "</presence>" : '';
276	}
277
278	if ( $this->write($xml) === false )
279	throw new Exception('[presence] #1 it isn\'t possible send presence for ' . $this->_server . '. File: ' . __FILE__ . ' :: ' . __LINE__);
280
281	return true;
282	}
283	catch(Exception $e)
284	{
285	$this->writeLog('ERROR', $e->getMessage());
286	return false;
287	}
288	}
289
290	protected final function read()
291	{
292	$return = NULL;
293	do
294	{
295	$line = NULL;
296	$line = utf8_decode(parent::read($this->_socket, 4096));
297
298	if ( $line === false )
299	{
300	$return = false;
301	break;
302	}
303
304	if ( $line != NULL )
305	$return .= $line;// . "\n";
306	}
307	while ( $line != NULL );
308
309	return $return;
310	}
311
312	protected final function write($pData = false)
313	{
314	if ( !$pData )
315	return false;
316
317	return parent::write($this->_socket, utf8_encode($pData));
318	}
319
320	function __destruct()
321	{
322	$this->close($this->_socket);
323	}
324
325	protected final function writeLog($pType = false, $pLog = false)
326	{
327	if ( !defined('self::'.$pType) && !$pLog )
328	return false;
329
330	if ( !(bool)constant('self::J_'.$pType) && !(bool)constant('self::J_ALL') )
331	return false;
332
333	$log = date('m/d/Y H:i:s');
334	$log .= ' [' . constant('self::'.$pType) . '] :: ';
335	$log .= $pLog . "\n";
336	if ( $fp = fopen (self::J_FILE, "a+") )
337	{
338	fwrite($fp, $log);
339	fclose($fp);
340	}
341	}
342	}
343	?>

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