Repository navigation
Expand file tree
/
Copy pathCache.php
More file actions
151 lines (118 loc) · 3.27 KB
/
Copy pathCache.php
File metadata and controls
151 lines (118 loc) · 3.27 KB
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
<?php
namespace Mpdf;
use DirectoryIterator;
class Cache
{
private $basePath;
private $cleanupInterval;
public function __construct($basePath, $cleanupInterval = 3600)
{
if (!is_int($cleanupInterval) && false !== $cleanupInterval) {
throw new \Mpdf\MpdfException('Cache cleanup interval has to be an integer or false');
}
if (!$this->createBasePath($basePath)) {
throw new \Mpdf\MpdfException(sprintf('Temporary files directory "%s" is not writable', $basePath));
}
$this->basePath = $basePath;
$this->cleanupInterval = $cleanupInterval;
}
protected function createBasePath($basePath)
{
if (!file_exists($basePath)) {
if (!$this->createDirectory($basePath)) {
return false;
}
}
if (!is_writable($basePath) || !is_dir($basePath)) {
return false;
}
return true;
}
protected function createDirectory($basePath)
{
$parentPath = $this->getExistingParentDirectory($basePath);
$permissions = $this->getPermission($parentPath);
if (!mkdir($basePath, $permissions, true)) {
return false;
}
/* Check if umask modified the permissions and reset any created directories */
if (($permissions & ~umask()) !== $permissions) {
$basePath = realpath($basePath);
$folders = explode('/', substr($basePath, strlen($parentPath) + 1));
for ($i = 1, $total = count($folders); $i <= $total; $i++) {
$path = $parentPath . '/';
$path .= implode('/', array_slice($folders, 0, $i));
chmod($path, $permissions);
}
}
return true;
}
protected function getExistingParentDirectory($basePath)
{
$targetParent = dirname($basePath);
while ($targetParent !== '.' && ! is_dir($targetParent) && dirname($targetParent) !== $targetParent) {
$targetParent = dirname($targetParent);
}
return realpath($targetParent);
}
protected function getPermission($basePath, $fallbackPermission = 0777)
{
if (! is_dir($basePath)) {
return $fallbackPermission;
}
$result = fileperms($basePath);
return $result ? $result & 0007777 : $fallbackPermission;
}
public function tempFilename($filename)
{
return $this->getFilePath($filename);
}
public function has($filename)
{
return file_exists($this->getFilePath($filename));
}
public function load($filename)
{
return file_get_contents($this->getFilePath($filename));
}
public function write($filename, $data)
{
$tempFile = tempnam($this->basePath, 'cache_tmp_');
file_put_contents($tempFile, $data);
chmod($tempFile, 0664);
$path = $this->getFilePath($filename);
rename($tempFile, $path);
return $path;
}
public function remove($filename)
{
return unlink($this->getFilePath($filename));
}
public function clearOld()
{
$iterator = new DirectoryIterator($this->basePath);
/** @var \DirectoryIterator $item */
foreach ($iterator as $item) {
if (!$item->isDot()
&& $item->isFile()
&& !$this->isDotFile($item)
&& $this->isOld($item)) {
unlink($item->getPathname());
}
}
}
private function getFilePath($filename)
{
return $this->basePath . '/' . $filename;
}
private function isOld(DirectoryIterator $item)
{
return $this->cleanupInterval
? $item->getMTime() + $this->cleanupInterval < time()
: false;
}
public function isDotFile(DirectoryIterator $item)
{
return substr($item->getFilename(), 0, 1) === '.';
}
}