|
1
|
|
|
<?php |
|
2
|
|
|
namespace Jsq\Cache; |
|
3
|
|
|
|
|
4
|
|
|
use Psr\Cache\CacheItemInterface; |
|
5
|
|
|
|
|
6
|
|
|
abstract class EncryptingItemDecorator implements CacheItemInterface |
|
7
|
|
|
{ |
|
8
|
|
|
/** @var CacheItemInterface */ |
|
9
|
|
|
private $decorated; |
|
10
|
|
|
/** @var mixed */ |
|
11
|
|
|
private $decrypted; |
|
12
|
|
|
/** @var string */ |
|
13
|
|
|
private $cipher; |
|
14
|
|
|
|
|
15
|
333 |
|
public function __construct(CacheItemInterface $decorated, $cipher) |
|
16
|
|
|
{ |
|
17
|
333 |
|
$this->decorated = $decorated; |
|
18
|
333 |
|
$this->cipher = $cipher; |
|
19
|
333 |
|
} |
|
20
|
|
|
|
|
21
|
228 |
|
public function getKey() |
|
22
|
|
|
{ |
|
23
|
228 |
|
return $this->decorated->getKey(); |
|
24
|
|
|
} |
|
25
|
|
|
|
|
26
|
174 |
|
public function get() |
|
27
|
|
|
{ |
|
28
|
174 |
|
if (empty($this->decrypted) && $this->isDecryptable()) { |
|
29
|
132 |
|
$this->decrypted = $this->decrypt($this->decorated->get()); |
|
30
|
132 |
|
} |
|
31
|
|
|
|
|
32
|
174 |
|
return $this->decrypted; |
|
33
|
|
|
} |
|
34
|
|
|
|
|
35
|
294 |
|
public function getDecorated() |
|
36
|
|
|
{ |
|
37
|
294 |
|
return $this->decorated; |
|
38
|
|
|
} |
|
39
|
|
|
|
|
40
|
222 |
|
public function set($value) |
|
41
|
|
|
{ |
|
42
|
222 |
|
$this->decorated->set($this->encrypt($value)); |
|
43
|
222 |
|
$this->decrypted = $value; |
|
44
|
|
|
|
|
45
|
222 |
|
return $this; |
|
46
|
|
|
} |
|
47
|
|
|
|
|
48
|
144 |
|
public function isHit() |
|
49
|
|
|
{ |
|
50
|
144 |
|
return $this->decorated->isHit() |
|
51
|
144 |
|
&& $this->isDecryptable(); |
|
52
|
|
|
} |
|
53
|
|
|
|
|
54
|
6 |
|
public function expiresAt($expiresAt) |
|
55
|
|
|
{ |
|
56
|
6 |
|
$this->decorated->expiresAt($expiresAt); |
|
57
|
|
|
|
|
58
|
6 |
|
return $this; |
|
59
|
|
|
} |
|
60
|
|
|
|
|
61
|
12 |
|
public function expiresAfter($expiresAfter) |
|
62
|
|
|
{ |
|
63
|
12 |
|
$this->decorated->expiresAfter($expiresAfter); |
|
64
|
|
|
|
|
65
|
12 |
|
return $this; |
|
66
|
|
|
} |
|
67
|
|
|
|
|
68
|
|
|
abstract protected function encrypt($data); |
|
69
|
|
|
|
|
70
|
|
|
abstract protected function decrypt(EncryptedValue $data); |
|
71
|
|
|
|
|
72
|
|
|
abstract protected function isDecryptable(); |
|
73
|
|
|
|
|
74
|
222 |
|
protected function getCipherMethod() |
|
75
|
|
|
{ |
|
76
|
222 |
|
return $this->cipher; |
|
77
|
|
|
} |
|
78
|
|
|
|
|
79
|
222 |
|
protected function generateIv() |
|
80
|
|
|
{ |
|
81
|
222 |
|
return openssl_random_pseudo_bytes( |
|
82
|
222 |
|
openssl_cipher_iv_length($this->cipher) |
|
83
|
222 |
|
); |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
222 |
|
protected function encryptString($string, $key, $iv) |
|
87
|
|
|
{ |
|
88
|
222 |
|
return openssl_encrypt($string, $this->cipher, $key, 0, $iv); |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
132 |
|
protected function decryptString($string, $method, $key, $iv) |
|
92
|
|
|
{ |
|
93
|
132 |
|
return openssl_decrypt($string, $method, $key, 0, $iv); |
|
94
|
|
|
} |
|
95
|
|
|
} |
|
96
|
|
|
|
jeskew /
psr6-encrypting-decorator
