1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
* @author cetra3 <peter@parashift.com.au>
* @author Christoph Wurst <christoph@owncloud.com>
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <robin@icewind.nl>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Victor Dubiniuk <dubiniuk@owncloud.com>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\Session;
use OCP\Session\Exceptions\SessionNotAvailableException;
/**
* Class Internal
*
* wrap php's internal session handling into the Session interface
*
* @package OC\Session
*/
class Internal extends Session {
/**
* @param string $name
* @throws \Exception
*/
public function __construct($name) {
set_error_handler(array($this, 'trapError'));
$this->invoke('session_name', [$name]);
try {
$this->invoke('session_start');
} catch (\Exception $e) {
setcookie($this->invoke('session_name'), null, -1, \OC::$WEBROOT ?: '/');
}
restore_error_handler();
if (!isset($_SESSION)) {
throw new \Exception('Failed to start session');
}
}
/**
* @param string $key
* @param integer $value
*/
public function set($key, $value) {
$this->validateSession();
$_SESSION[$key] = $value;
}
/**
* @param string $key
* @return mixed
*/
public function get($key) {
if (!$this->exists($key)) {
return null;
}
return $_SESSION[$key];
}
/**
* @param string $key
* @return bool
*/
public function exists($key) {
return isset($_SESSION[$key]);
}
/**
* @param string $key
*/
public function remove($key) {
if (isset($_SESSION[$key])) {
unset($_SESSION[$key]);
}
}
public function clear() {
$this->invoke('session_unset');
$this->regenerateId();
$this->invoke('session_start', [], true);
$_SESSION = [];
}
public function close() {
$this->invoke('session_write_close');
parent::close();
}
/**
* Wrapper around session_regenerate_id
*
* @param bool $deleteOldSession Whether to delete the old associated session file or not.
* @return void
*/
public function regenerateId($deleteOldSession = true) {
try {
@session_regenerate_id($deleteOldSession);
} catch (\Error $e) {
$this->trapError($e->getCode(), $e->getMessage());
}
}
/**
* Wrapper around session_id
*
* @return string
* @throws SessionNotAvailableException
* @since 9.1.0
*/
public function getId() {
$id = $this->invoke('session_id', [], true);
if ($id === '') {
throw new SessionNotAvailableException();
}
return $id;
}
/**
* @throws \Exception
*/
public function reopen() {
throw new \Exception('The session cannot be reopened - reopen() is ony to be used in unit testing.');
}
/**
* @param int $errorNumber
* @param string $errorString
* @throws \ErrorException
*/
public function trapError($errorNumber, $errorString) {
throw new \ErrorException($errorString);
}
/**
* @throws \Exception
*/
private function validateSession() {
if ($this->sessionClosed) {
throw new SessionNotAvailableException('Session has been closed - no further changes to the session are allowed');
}
}
/**
* @param string $functionName the full session_* function name
* @param array $parameters
* @param bool $silence whether to suppress warnings
* @throws \ErrorException via trapError
* @return mixed
*/
private function invoke($functionName, array $parameters = [], $silence = false) {
try {
if($silence) {
return @call_user_func_array($functionName, $parameters);
} else {
return call_user_func_array($functionName, $parameters);
}
} catch(\Error $e) {
$this->trapError($e->getCode(), $e->getMessage());
}
}
}
|
