|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* This file is part of the tiqr project. |
|
4
|
|
|
* |
|
5
|
|
|
* The tiqr project aims to provide an open implementation for |
|
6
|
|
|
* authentication using mobile devices. It was initiated by |
|
7
|
|
|
* SURFnet and developed by Egeniq. |
|
8
|
|
|
* |
|
9
|
|
|
* More information: http://www.tiqr.org |
|
10
|
|
|
* |
|
11
|
|
|
* @author Ivo Jansch <[email protected]> |
|
12
|
|
|
* |
|
13
|
|
|
* @package tiqr |
|
14
|
|
|
* |
|
15
|
|
|
* @license New BSD License - See LICENSE file for details. |
|
16
|
|
|
* |
|
17
|
|
|
* @copyright (C) 2010-2011 SURFnet BV |
|
18
|
|
|
*/ |
|
19
|
|
|
|
|
20
|
|
|
use Psr\Log\LoggerInterface; |
|
21
|
|
|
|
|
22
|
|
|
|
|
23
|
|
|
/** |
|
24
|
|
|
* File based implementation to store session state data. |
|
25
|
|
|
* Note that it is more secure to use a memory based storage such as memcached. |
|
26
|
|
|
* This implementation is mostly for demo, test or experimental setups that |
|
27
|
|
|
* do not have access to a memcache instance. |
|
28
|
|
|
* |
|
29
|
|
|
* This StateStorage implementation has no options, files are always stored |
|
30
|
|
|
* in /tmp and prefixed with tiqr_state_* |
|
31
|
|
|
* |
|
32
|
|
|
* @author ivo |
|
33
|
|
|
* |
|
34
|
|
|
*/ |
|
35
|
|
|
class Tiqr_StateStorage_File implements Tiqr_StateStorage_StateStorageInterface |
|
36
|
|
|
{ |
|
37
|
|
|
private $logger; |
|
38
|
|
|
|
|
39
|
|
|
private $path; |
|
40
|
|
|
|
|
41
|
|
|
public function __construct(string $path, LoggerInterface $logger) |
|
42
|
|
|
{ |
|
43
|
|
|
$this->logger = $logger; |
|
44
|
|
|
$this->path = $path; |
|
45
|
|
|
} |
|
46
|
|
|
|
|
47
|
|
|
public function setValue($key, $value, $expire=0) |
|
48
|
|
|
{ |
|
49
|
|
|
$envelope = array("expire"=>$expire, |
|
50
|
|
|
"createdAt"=>time(), |
|
51
|
|
|
"value"=>$value); |
|
52
|
|
|
$filename = $this->getFilenameByKey($key); |
|
53
|
|
|
|
|
54
|
|
|
if (!file_put_contents($filename, serialize($envelope))) { |
|
55
|
|
|
throw new ReadWriteException(sprintf('Unable to store "%s" state to the filesystem', $key)); |
|
56
|
|
|
} |
|
57
|
|
|
|
|
58
|
|
|
return $key; |
|
59
|
|
|
} |
|
60
|
|
|
|
|
61
|
|
|
/** |
|
62
|
|
|
* (non-PHPdoc) |
|
63
|
|
|
* @see library/tiqr/Tiqr/StateStorage/Tiqr_StateStorage_Abstract::unsetValue() |
|
64
|
|
|
*/ |
|
65
|
|
|
public function unsetValue($key) |
|
66
|
|
|
{ |
|
67
|
|
|
$filename = $this->getFilenameByKey($key); |
|
68
|
|
|
if (file_exists($filename) && !unlink($filename)) { |
|
69
|
|
|
throw new ReadWriteException( |
|
70
|
|
|
sprintf( |
|
71
|
|
|
'Unable to unlink the "%s" value from state storage on filesystem', |
|
72
|
|
|
$key |
|
73
|
|
|
) |
|
74
|
|
|
); |
|
75
|
|
|
} |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
|
|
/** |
|
79
|
|
|
* (non-PHPdoc) |
|
80
|
|
|
* @see library/tiqr/Tiqr/StateStorage/Tiqr_StateStorage_Abstract::getValue() |
|
81
|
|
|
*/ |
|
82
|
|
|
public function getValue($key) |
|
83
|
|
|
{ |
|
84
|
|
|
$filename = $this->getFilenameByKey($key); |
|
85
|
|
|
if (file_exists($filename)) { |
|
86
|
|
|
$envelope = unserialize(file_get_contents($filename), ['allowed_classes' => false]); |
|
87
|
|
|
// This data is time-limited. If it's too old we discard it. |
|
88
|
|
|
if (($envelope["expire"] != 0) && time() - $envelope["createdAt"] > $envelope["expire"]) { |
|
89
|
|
|
$this->unsetValue($key); |
|
90
|
|
|
$this->logger->notice('Unable to retrieve the state storage value, it is expired'); |
|
91
|
|
|
return null; |
|
92
|
|
|
} |
|
93
|
|
|
return $envelope["value"]; |
|
94
|
|
|
} |
|
95
|
|
|
$this->logger->notice('Unable to retrieve the state storage value, file not found'); |
|
96
|
|
|
return NULL; |
|
97
|
|
|
} |
|
98
|
|
|
|
|
99
|
|
|
private function getPath(): string |
|
100
|
|
|
{ |
|
101
|
|
|
if (substr($this->path, -1)!=="/") { |
|
102
|
|
|
return $this->path . "/"; |
|
103
|
|
|
} |
|
104
|
|
|
return $this->path; |
|
105
|
|
|
} |
|
106
|
|
|
|
|
107
|
|
|
/** |
|
108
|
|
|
* Determine the name of a temporary file to hold the contents of $key |
|
109
|
|
|
*/ |
|
110
|
|
|
private function getFilenameByKey(string $key): string |
|
111
|
|
|
{ |
|
112
|
|
|
return sprintf( |
|
113
|
|
|
"%stiqr_state_%s", |
|
114
|
|
|
$this->getPath(), |
|
115
|
|
|
strtr(base64_encode($key), '+/', '-_') |
|
116
|
|
|
); |
|
117
|
|
|
} |
|
118
|
|
|
|
|
119
|
|
|
public function init() |
|
120
|
|
|
{ |
|
121
|
|
|
# Nothing to do here |
|
122
|
|
|
} |
|
123
|
|
|
} |
|
124
|
|
|
|
Tiqr /
tiqr-server-libphp
