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source: trunk/phpgwapi/inc/class.sessions_php4.inc.php @ 5281

Revision 5281, 7.8 KB checked in by wmerlotto, 12 years ago (diff)
Ticket #2398 - Compatibilizando codigo do Expresso, em geral, com PHP >= 5.3
Property svn:eol-style set to `native` Property svn:executable set to ``*

Line
1	<?php
2	/**************************************************************************\
3	* eGroupWare API - Session management *
4	* This file written by Dan Kuykendall <seek3r@phpgroupware.org> *
5	* and Joseph Engo <jengo@phpgroupware.org> *
6	* and Ralf Becker <ralfbecker@outdoor-training.de> *
7	* Copyright (C) 2000, 2001 Dan Kuykendall *
8	* -------------------------------------------------------------------------*
9	* This library is part of the phpGroupWare API *
10	* http://www.egroupware.org/api *
11	* ------------------------------------------------------------------------ *
12	* This library is free software; you can redistribute it and/or modify it *
13	* under the terms of the GNU Lesser General Public License as published by *
14	* the Free Software Foundation; either version 2.1 of the License, *
15	* or any later version. *
16	* This library is distributed in the hope that it will be useful, but *
17	* WITHOUT ANY WARRANTY; without even the implied warranty of *
18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
19	* See the GNU Lesser General Public License for more details. *
20	* You should have received a copy of the GNU Lesser General Public License *
21	* along with this library; if not, write to the Free Software Foundation, *
22	* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
23	\**************************************************************************/
24
25
26	class sessions extends sessions_
27	{
28	function sessions()
29	{
30	$this->sessions_();
31	//controls the time out for php4 sessions - skwashd 18-May-2003
32	ini_set('session.gc_maxlifetime', $GLOBALS['phpgw_info']['server']['sessions_timeout']);
33	session_name('sessionid');
34	}
35
36	function read_session()
37	{
38	if (!$this->sessionid)
39	{
40	return False;
41	}
42	session_id($this->sessionid);
43	session_start();
44	return $GLOBALS['phpgw_session'] = $_SESSION['phpgw_session'];
45	}
46
47	function set_cookie_params($domain)
48	{
49	session_set_cookie_params(0,'/',$domain);
50	}
51
52	function new_session_id()
53	{
54	session_start();
55
56	return session_id();
57	}
58
59	function register_session($login,$user_ip,$now,$session_flags)
60	{
61	// session_start() is now called in new_session_id() !!!
62
63	$GLOBALS['phpgw_session']['session_id'] = $this->sessionid;
64	$GLOBALS['phpgw_session']['session_lid'] = $login;
65	$GLOBALS['phpgw_session']['session_ip'] = $user_ip;
66	$GLOBALS['phpgw_session']['session_logintime'] = $now;
67	$GLOBALS['phpgw_session']['session_dla'] = $now;
68	$GLOBALS['phpgw_session']['session_action'] = $_SERVER['PHP_SELF'];
69	$GLOBALS['phpgw_session']['session_flags'] = $session_flags;
70	// we need the install-id to differ between serveral installs shareing one tmp-dir
71	$GLOBALS['phpgw_session']['session_install_id'] = $GLOBALS['phpgw_info']['server']['install_id'];
72
73	session_register('phpgw_session');
74	$_SESSION['phpgw_session'] = $GLOBALS['phpgw_session'];
75	}
76
77	// This will update the DateLastActive column, so the login does not expire
78	function update_dla()
79	{
80	if (@isset($_GET['menuaction']))
81	{
82	$action = $_GET['menuaction'];
83	}
84	else
85	{
86	$action = $_SERVER['PHP_SELF'];
87	}
88
89	// This way XML-RPC users aren't always listed as
90	// xmlrpc.php
91	if ($this->xmlrpc_method_called)
92	{
93	$action = $this->xmlrpc_method_called;
94	}
95
96	$GLOBALS['phpgw_session']['session_dla'] = time();
97	$GLOBALS['phpgw_session']['session_action'] = $action;
98
99	$_SESSION['phpgw_session'] = $GLOBALS['phpgw_session'];
100
101	return True;
102	}
103
104	function destroy($sessionid, $kp3)
105	{
106	if (!$sessionid && $kp3)
107	{
108	return False;
109	}
110
111	$this->log_access($this->sessionid); // log logout-time
112
113	// Only do the following, if where working with the current user
114	if ($sessionid == $GLOBALS['phpgw_info']['user']['sessionid'])
115	{
116	session_unset();
117	//echo "<p>sessions_php4::destroy: session_destroy() returned ".(session_destroy() ? 'True' : 'False')."</p>\n";
118	@session_destroy();
119	if ($GLOBALS['phpgw_info']['server']['usecookies'])
120	{
121	$this->phpgw_setcookie(session_name());
122	}
123	}
124	else
125	{
126	if(@opendir($path = ini_get('session.save_path'))){
127	$session_file = $path."/sess_".$sessionid;
128	if (file_exists($session_file))
129	@unlink($session_file);
130	}
131	}
132
133	return True;
134	}
135
136	/*************************************************************************\
137	* Functions for appsession data and session cache *
138	\*************************************************************************/
139	function delete_cache($accountid='')
140	{
141	$account_id = get_account_id($accountid,$this->account_id);
142
143	$GLOBALS['phpgw_session']['phpgw_app_sessions']['phpgwapi']['phpgw_info_cache'] = '';
144
145	session_register('phpgw_session');
146	$_SESSION['phpgw_session'] = $GLOBALS['phpgw_session'];
147	}
148
149	function appsession($location = 'default', $appname = '', $data = '##NOTHING##')
150	{
151	if (! $appname)
152	{
153	$appname = $GLOBALS['phpgw_info']['flags']['currentapp'];
154	}
155
156	/* This allows the user to put '' as the value. */
157	if ($data == '##NOTHING##')
158	{
159	// I added these into seperate steps for easier debugging
160	$data = $GLOBALS['phpgw_session']['phpgw_app_sessions'][$appname][$location]['content'];
161
162	/* do not decrypt and return if no data (decrypt returning garbage) */
163	if($data)
164	{
165	$data = $GLOBALS['phpgw']->crypto->decrypt($data);
166	//echo "appsession returning: location='$location',app='$appname',data=$data"; _debug_array($data);
167	return $data;
168	}
169	}
170	else
171	{
172	$encrypteddata = $GLOBALS['phpgw']->crypto->encrypt($data);
173	$GLOBALS['phpgw_session']['phpgw_app_sessions'][$appname][$location]['content'] = $encrypteddata;
174	$_SESSION['phpgw_session'] = $GLOBALS['phpgw_session'];
175	return $data;
176	}
177	}
178
179	function session_sort($a,$b)
180	{
181	$sign = strcasecmp($GLOBALS['phpgw']->session->sort_order,'ASC') ? 1 : -1;
182
183	return strcasecmp(
184	$a[$GLOBALS['phpgw']->session->sort_by],
185	$b[$GLOBALS['phpgw']->session->sort_by]
186	) * $sign;
187	}
188
189	/*!
190	@function list_sessions
191	@abstract get list of normal / non-anonymous sessions
192	@note The data form the session-files get cached in the app_session phpgwapi/php4_session_cache
193	@author ralfbecker
194	*/
195	function list_sessions($start,$order,$sort,$all_no_sort = False)
196	{
197
198	$values = array();
199	$maxmatchs = $GLOBALS['phpgw_info']['user']['preferences']['common']['maxmatchs'];
200	$dir = @opendir($path = ini_get('session.save_path'));
201	if (!$dir) // eg. openbasedir restrictions
202	{
203	return $values;
204	}
205	while ($file = readdir($dir))
206	{
207	if (substr($file,0,5) != 'sess_' \|\| !is_readable($path. '/' . $file))
208	{
209	continue;
210	}
211	$session = '';
212	if (($fd = fopen ($path . '/' . $file,'r')))
213	{
214	$session = ($size = filesize ($path . '/' . $file)) ? @fread ($fd, $size) : 0;
215	fclose ($fd);
216	}
217	$session = unserialize(substr($session,14));
218	$values[$session['session_id']] = $session;
219	}
220	closedir($dir);
221
222	if(!$all_no_sort)
223	{
224	$GLOBALS['phpgw']->session->sort_by = $sort;
225	$GLOBALS['phpgw']->session->sort_order = $order;
226
227	uasort($values,array('sessions','session_sort'));
228
229	$i = 0;
230	$start = (int)$start;
231	foreach($values as $id => $data)
232	{
233	if($i < $start \|\| $i > $start+$maxmatchs)
234	{
235	unset($values[$id]);
236	}
237	++$i;
238	}
239	reset($values);
240	}
241
242	return $values;
243	}
244
245	/*!
246	@function total
247	@abstract get number of normal / non-anonymous sessions
248	@author ralfbecker
249	*/
250	function total()
251	{
252	return count($this->list_sessions(0,'','',True));
253	}
254	}

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