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source: trunk/instant_messenger/inc/Jabber.abstract.php @ 216

Revision 216, 10.2 KB checked in by niltonneto, 16 years ago (diff)
Correções do módulo instant_messenger. Ver WiKi? em: http://www.expressolivre.org/dev/wiki/messenger
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 = $socket;
47
48	fwrite($socket, "{$USER}@{$SERVER}##{$pPassword}##{$pConnectionType}");
49
50	#sleep(1);
51
52	$return = fread($socket, 3);
53	#var_dump($return);
54	#$return = "new";
55
56	if ( $return == "new" )
57	{
58	$xml = "<?xml version='1.0' encoding='UTF-8'?>";
59	$xml .= "<stream:stream to='" . $SERVER . "' xmlns='jabber:client' ";
60	$xml .= "xmlns:stream='http://etherx.jabber.org/streams'>";// version='1.0'>";
61
62	if ( $this->write($xml) === false )
63	throw new Exception('[connect] #4 it isn\'t possible connect in the server becase exists a client connected with same user. File: ' . __FILE__ . ' :: ' . __LINE__);
64	}
65
66	$this->_server = $SERVER;
67	$this->_username = $USER;
68	$this->_password = $pPassword;
69	$this->_resource = $RESOURCE;
70
71	return $return;
72	}
73	catch(Exception $e)
74	{
75	$this->writeLog('ERROR', $e->getMessage());
76	return false;
77	}
78	}
79
80	protected function connect($pUser = false, $pPassword = false, $pConnectionType = false)
81	{
82	try
83	{
84	$_connect = $this->_connect($pUser, $pPassword, $pConnectionType);
85
86	if ( !$_connect )
87	throw new Exception('[connect] #0. File: ' . __FILE__ . ' :: ' . __LINE__);
88
89	if ( $_connect == "new" )
90	{
91	if ( ($xml = $this->read()) === false )
92	throw new Exception('[connect] #1 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
93
94	if ( preg_match('/(<starttls .*<required\/><\/starttls>)/', $xml, $matches) )
95	{
96	if ( !$this->starttls() )
97	throw new Exception('[connect] #2 it isn\'t possible start tls. File: ' . __FILE__ . ' :: ' . __LINE__);
98
99	# $this->writeLog('NOTICE', 'Connected TLS');
100	}
101	else
102	{
103	if ( !$this->_plain() )
104	throw new Exception('[connect] #3 it isn\'t possible carry out the verification. File: ' . __FILE__ . ' :: ' . __LINE__);
105	}
106	}
107
108	return $_connect;
109	}
110	catch(Exception $e)
111	{
112	$this->writeLog('ERROR', $e->getMessage());
113	$this->_disconnect();
114	return false;
115	}
116	}
117
118	protected final function _disconnect()
119	{
120	try
121	{
122	$xml = "</stream:stream>";
123
124	#if ( $this->write($xml) === false )
125	# throw new Exception('[disconnect] #1 Cannot write to socket (' . $this->_socket . '). File: ' . __FILE__ . ' :: ' . __LINE__);
126
127	#if ( ($xml = $this->read()) === false )
128	# throw new Exception('[disconnect] #2 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
129	}
130	catch(Exception $e)
131	{
132	$this->writeLog('ERROR', $e->getMessage());
133	return false;
134	}
135	}
136
137	private final function starttls()
138	{
139	try
140	{
141	$xml = "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>";
142	if ( $this->write($xml) === false )
143	throw new Exception('[starttls] #1 Cannot write to socket (' . $this->_socket . '). File: ' . __FILE__ . ' :: ' . __LINE__);
144
145	if ( ($xml = $this->read()) === false )
146	throw new Exception('[starttls] #2 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
147
148	if ( !preg_match('/<proceed.*\/>/', $xml, $matches) )
149	throw new Exception('[starttls] #3 can\'t start tls in the socket ' .$this->_socket . '. File: ' . __FILE__ . ' :: ' . __LINE__);
150
151	stream_socket_enable_crypto($this->_socket, TRUE, STREAM_CRYPTO_METHOD_TLS_CLIENT);
152
153	$xml = "<?xml version='1.0' encoding='UTF-8'?>";
154	$xml .= "<stream:stream to='" . $this->_server . "' xmlns='jabber:client' ";
155	$xml .= "xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>";
156	if ( $this->write($xml) === false )
157	throw new Exception('[starttls] #4 Cannot write to socket (' . $this->_socket . '). File: ' . __FILE__ . ' :: ' . __LINE__);
158
159	usleep(90000);
160	$this->blocking($this->_socket, 0);
161
162	if ( ($xml = $this->read()) === false )
163	throw new Exception('[starttls] #5 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
164
165	if ( !$this->_plain() )
166	throw new Exception('[starttls] #6 it isn\'t possible carry out the verification. File: ' . __FILE__ . ' :: ' . __LINE__);
167
168	return true;
169	}
170	catch(Exception $e)
171	{
172	$this->writeLog('ERROR', $e->getMessage());
173	return false;
174	}
175	}
176
177	private final function _plain()
178	{
179	try
180	{
181	$this->blocking($this->_socket, 0);
182
183	if ( ($xml = $this->read()) === false )
184	throw new Exception('[_plain] #1 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
185
186	$xml = "<username>" . $this->_username . "</username>";
187	$xml .= "<password>" . $this->_password . "</password>";
188	$xml .= "<resource>" . $this->_resource . "</resource>";
189
190	unset($this->_password);
191
192	if ( !$this->iq('set', 'auth_1', NULL, NULL, "jabber:iq:auth", $xml) )
193	throw new Exception('[_plain] #2 it isn\'t possible carry out the verification. File: ' . __FILE__ . ' :: ' . __LINE__);
194
195	while ( !preg_match("/<iq xmlns='jabber:client' id='auth_1' type='(result\|error)'/", ($readSocket = $this->read()), $matches) )
196	usleep(10000);
197
198	if($matches[1] == "error")
199	return false;
200
201	if ( ($xml = $this->read()) === false )
202	throw new Exception('[_plain] #3 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__);
203
204	return true;
205	}
206	catch(Exception $e)
207	{
208	$this->writeLog('ERROR', $e->getMessage());
209	return false;
210	}
211	}
212
213	private final function _iq($pType = false, $pId = false, $pTo = false, $pFrom = false, $pXmlns = false, $pLoad = false )
214	{
215	$xml = "<iq type='" . $pType . "' id='" . $pId . "'";
216	$xml .= ( $pTo ) ? " to='" . $pTo . "'" : "";
217	$xml .= ( $pFrom ) ? " from='" . $pFrom . "'" : "";
218
219	if ( $pXmlns == "vcard-temp" )
220	{
221	$xml .= ">";
222	$xml .= $pLoad;
223	}
224	else
225	{
226	$xml .= "><query xmlns='" . $pXmlns . "'";
227	$xml .= ( $pLoad ) ? ">" . $pLoad . "</query>" : "/>";
228	}
229
230	$xml .= "</iq>";
231
232	return $xml;
233	}
234
235	protected final function iq($pType = false, $pId = false, $pTo = false, $pFrom = false, $pXmlns = false, $pLoad = false)
236	{
237	try
238	{
239	if ( !preg_match("/^(get\|set\|result\|error)$/i", $pType, $matches) )
240	throw new Exception('[iq] #1 type must be GET, SET, RESULT or ERROR. File: ' . __FILE__ . ' :: ' . __LINE__);
241
242	if ( $this->write($this->_iq($pType, $pId, $pTo, $pFrom, $pXmlns, $pLoad)) === false )
243	throw new Exception('[iq] #2 Cannot write to socket (' . $this->_socket . '). File: ' . __FILE__ . ' :: ' . __LINE__);
244	else
245	return true;
246	}
247	catch(Exception $e)
248	{
249	$this->writeLog('ERROR', $e->getMessage());
250	return false;
251	}
252	}
253
254	protected final function presence($pType = false, $pTo = false, $pShow = false, $pStatus = false, $pPriority = false)
255	{
256	try
257	{
258	$xml = "<presence";
259	$xml .= ($pTo) ? " to='{$pTo}'" : '';
260	$xml .= ($pType) ? " type='{$pType}'" : '';
261
262	if ( !($pStatus \|\| $pShow \|\| $pPriority) )
263	$xml .= "/>";
264	else
265	{
266	$xml .= ">";
267	$xml .= ($pStatus) ? "<status>" . $pStatus . "</status>" : '';
268	$xml .= ($pShow) ? "<show>" . $pShow . "</show>" : '';
269	$xml .= ($pPriority) ? "<priority>" . $pPriority . "</priority>" : '';
270	$xml .= ($pStatus \|\| $pShow \|\| $pPriority) ? "</presence>" : '';
271	}
272
273	if ( $this->write($xml) === false )
274	throw new Exception('[presence] #1 it isn\'t possible send presence for ' . $this->_server . '. File: ' . __FILE__ . ' :: ' . __LINE__);
275
276	return true;
277	}
278	catch(Exception $e)
279	{
280	$this->writeLog('ERROR', $e->getMessage());
281	return false;
282	}
283	}
284
285	protected final function read()
286	{
287	$return = NULL;
288	do
289	{
290	$line = NULL;
291	$line = utf8_decode(parent::read($this->_socket, 4096));
292
293	if ( $line === false )
294	{
295	$return = false;
296	break;
297	}
298
299	if ( $line != NULL )
300	$return .= $line;// . "\n";
301	}
302	while ( $line != NULL );
303
304	return $return;
305	}
306
307	protected final function write($pData = false)
308	{
309	if ( !$pData )
310	return false;
311
312	return parent::write($this->_socket, utf8_encode($pData));
313	}
314
315	function __destruct()
316	{
317	$this->close($this->_socket);
318	}
319
320	protected final function writeLog($pType = false, $pLog = false)
321	{
322	if ( !defined('self::'.$pType) && !$pLog )
323	return false;
324
325	if ( !(bool)constant('self::J_'.$pType) && !(bool)constant('self::J_ALL') )
326	return false;
327
328	$log = date('m/d/Y H:i:s');
329	$log .= ' [' . constant('self::'.$pType) . '] :: ';
330	$log .= $pLog . "\n";
331	if ( $fp = fopen (self::J_FILE, "a+") )
332	{
333	fwrite($fp, $log);
334	fclose($fp);
335	}
336	}
337	}
338	?>

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