1
|
|
|
<?php |
2
|
|
|
/** |
3
|
|
|
* Class FileCacheDriver |
4
|
|
|
* |
5
|
|
|
* @filesource FileCacheDriver.php |
6
|
|
|
* @created 25.05.2017 |
7
|
|
|
* @package chillerlan\SimpleCache\Drivers |
8
|
|
|
* @author Smiley <[email protected]> |
9
|
|
|
* @copyright 2017 Smiley |
10
|
|
|
* @license MIT |
11
|
|
|
*/ |
12
|
|
|
|
13
|
|
|
namespace chillerlan\SimpleCache\Drivers; |
14
|
|
|
|
15
|
|
|
use chillerlan\SimpleCache\CacheException; |
16
|
|
|
use chillerlan\Traits\ImmutableSettingsInterface; |
17
|
|
|
use FilesystemIterator, RecursiveDirectoryIterator, RecursiveIteratorIterator, stdClass; |
18
|
|
|
|
19
|
|
|
class FileCacheDriver extends CacheDriverAbstract{ |
20
|
|
|
|
21
|
|
|
/** |
22
|
|
|
* @var string |
23
|
|
|
*/ |
24
|
|
|
protected $cachedir; |
25
|
|
|
|
26
|
|
|
/** |
27
|
|
|
* FileCacheDriver constructor. |
28
|
|
|
* |
29
|
|
|
* @param \chillerlan\Traits\ImmutableSettingsInterface|null $options |
30
|
|
|
* |
31
|
|
|
* @throws \chillerlan\SimpleCache\CacheException |
32
|
|
|
*/ |
33
|
|
|
public function __construct(ImmutableSettingsInterface $options = null){ |
34
|
|
|
parent::__construct($options); |
35
|
|
|
|
36
|
|
|
$this->cachedir = rtrim($this->options->cacheFilestorage, '/\\').DIRECTORY_SEPARATOR; |
37
|
|
|
|
38
|
|
|
if(!is_dir($this->cachedir)){ |
39
|
|
|
$msg = 'invalid cachedir "'.$this->cachedir.'"'; |
40
|
|
|
|
41
|
|
|
$this->logger->error($msg); |
42
|
|
|
throw new CacheException($msg); |
43
|
|
|
} |
44
|
|
|
|
45
|
|
|
if(!is_writable($this->cachedir)){ |
46
|
|
|
$msg = 'cachedir is read-only. permissions?'; |
47
|
|
|
|
48
|
|
|
$this->logger->error($msg); |
49
|
|
|
throw new CacheException($msg); |
50
|
|
|
} |
51
|
|
|
|
52
|
|
|
} |
53
|
|
|
|
54
|
|
|
/** @inheritdoc */ |
55
|
|
|
public function get(string $key, $default = null){ |
56
|
|
|
$filename = $this->getFilepath($key); |
57
|
|
|
|
58
|
|
|
if(is_file($filename)){ |
59
|
|
|
$content = file_get_contents($filename); |
60
|
|
|
|
61
|
|
|
if(!empty($content)){ |
62
|
|
|
$data = unserialize($content); |
63
|
|
|
|
64
|
|
|
if($data->ttl === null || $data->ttl > time()){ |
65
|
|
|
return $data->content; |
66
|
|
|
} |
67
|
|
|
|
68
|
|
|
unlink($filename); |
69
|
|
|
} |
70
|
|
|
|
71
|
|
|
} |
72
|
|
|
|
73
|
|
|
return $default; |
74
|
|
|
} |
75
|
|
|
|
76
|
|
|
/** @inheritdoc */ |
77
|
|
|
public function set(string $key, $value, int $ttl = null):bool{ |
78
|
|
|
$file = $this->getFilepath($key); |
79
|
|
|
$dir = dirname($file); |
80
|
|
|
|
81
|
|
|
if(!is_dir($dir)){ |
82
|
|
|
mkdir($dir, 0755, true); |
83
|
|
|
} |
84
|
|
|
|
85
|
|
|
$data = new stdClass; |
86
|
|
|
$data->ttl = null; |
87
|
|
|
$data->content = $value; |
88
|
|
|
|
89
|
|
|
if($ttl !== null){ |
90
|
|
|
$data->ttl = time() + $ttl; |
91
|
|
|
} |
92
|
|
|
|
93
|
|
|
file_put_contents($file, serialize($data)); |
94
|
|
|
|
95
|
|
|
if(is_file($file)){ |
96
|
|
|
return true; |
97
|
|
|
} |
98
|
|
|
|
99
|
|
|
return false; // @codeCoverageIgnore |
100
|
|
|
} |
101
|
|
|
|
102
|
|
|
/** @inheritdoc */ |
103
|
|
|
public function delete(string $key):bool{ |
104
|
|
|
$filename = $this->getFilepath($key); |
105
|
|
|
|
106
|
|
|
if(is_file($filename)){ |
107
|
|
|
return unlink($filename); |
108
|
|
|
} |
109
|
|
|
|
110
|
|
|
return false; |
111
|
|
|
} |
112
|
|
|
|
113
|
|
|
/** @inheritdoc */ |
114
|
|
|
public function clear():bool{ |
115
|
|
|
$iterator = new RecursiveDirectoryIterator($this->cachedir, FilesystemIterator::CURRENT_AS_PATHNAME|FilesystemIterator::SKIP_DOTS); |
116
|
|
|
$return = []; |
117
|
|
|
|
118
|
|
|
foreach(new RecursiveIteratorIterator($iterator) as $path){ |
119
|
|
|
|
120
|
|
|
// skip files the parent directory - cache files are only under /a/ab/[hash] |
121
|
|
|
if(strpos(str_replace($this->cachedir, '', $path), DIRECTORY_SEPARATOR) === false){ |
122
|
|
|
continue; |
123
|
|
|
} |
124
|
|
|
|
125
|
|
|
$return[] = unlink($path); |
126
|
|
|
} |
127
|
|
|
|
128
|
|
|
return $this->checkReturn($return); // @codeCoverageIgnore |
129
|
|
|
} |
130
|
|
|
|
131
|
|
|
/** |
132
|
|
|
* @param string $key |
133
|
|
|
* |
134
|
|
|
* @return string |
135
|
|
|
*/ |
136
|
|
|
protected function getFilepath(string $key):string{ |
137
|
|
|
$h = hash('sha256', $key); |
138
|
|
|
|
139
|
|
|
return $this->cachedir.$h[0].DIRECTORY_SEPARATOR.$h[0].$h[1].DIRECTORY_SEPARATOR.$h; |
140
|
|
|
} |
141
|
|
|
|
142
|
|
|
} |
143
|
|
|
|