|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Box\Spout\Common\Helper; |
|
4
|
|
|
|
|
5
|
|
|
use Box\Spout\Common\Exception\IOException; |
|
6
|
|
|
|
|
7
|
|
|
/** |
|
8
|
|
|
* Class FileSystemHelper |
|
9
|
|
|
* This class provides helper functions to help with the file system operations |
|
10
|
|
|
* like files/folders creation & deletion |
|
11
|
|
|
* |
|
12
|
|
|
* @package Box\Spout\Common\Helper |
|
13
|
|
|
*/ |
|
14
|
|
|
class FileSystemHelper |
|
15
|
|
|
{ |
|
16
|
|
|
/** @var string Real path of the base folder where all the I/O can occur */ |
|
17
|
|
|
protected $baseFolderRealPath; |
|
18
|
|
|
|
|
19
|
|
|
/** |
|
20
|
|
|
* @param string $baseFolderPath The path of the base folder where all the I/O can occur |
|
21
|
|
|
*/ |
|
22
|
276 |
|
public function __construct($baseFolderPath) |
|
23
|
|
|
{ |
|
24
|
276 |
|
$this->baseFolderRealPath = realpath($baseFolderPath); |
|
25
|
276 |
|
} |
|
26
|
|
|
|
|
27
|
|
|
/** |
|
28
|
|
|
* Creates an empty folder with the given name under the given parent folder. |
|
29
|
|
|
* |
|
30
|
|
|
* @param string $parentFolderPath The parent folder path under which the folder is going to be created |
|
31
|
|
|
* @param string $folderName The name of the folder to create |
|
32
|
|
|
* @return string Path of the created folder |
|
33
|
|
|
* @throws \Box\Spout\Common\Exception\IOException If unable to create the folder or if the folder path is not inside of the base folder |
|
34
|
|
|
*/ |
|
35
|
267 |
|
public function createFolder($parentFolderPath, $folderName) |
|
36
|
|
|
{ |
|
37
|
267 |
|
$this->throwIfOperationNotInBaseFolder($parentFolderPath); |
|
38
|
|
|
|
|
39
|
264 |
|
$folderPath = $parentFolderPath . '/' . $folderName; |
|
40
|
|
|
|
|
41
|
264 |
|
$wasCreationSuccessful = mkdir($folderPath, 0777, true); |
|
42
|
264 |
|
if (!$wasCreationSuccessful) { |
|
43
|
|
|
throw new IOException("Unable to create folder: $folderPath"); |
|
44
|
|
|
} |
|
45
|
|
|
|
|
46
|
264 |
|
return $folderPath; |
|
47
|
|
|
} |
|
48
|
|
|
|
|
49
|
|
|
/** |
|
50
|
|
|
* Creates a file with the given name and content in the given folder. |
|
51
|
|
|
* The parent folder must exist. |
|
52
|
|
|
* |
|
53
|
|
|
* @param string $parentFolderPath The parent folder path where the file is going to be created |
|
54
|
|
|
* @param string $fileName The name of the file to create |
|
55
|
|
|
* @param string $fileContents The contents of the file to create |
|
56
|
|
|
* @return string Path of the created file |
|
57
|
|
|
* @throws \Box\Spout\Common\Exception\IOException If unable to create the file or if the file path is not inside of the base folder |
|
58
|
|
|
*/ |
|
59
|
243 |
|
public function createFileWithContents($parentFolderPath, $fileName, $fileContents) |
|
60
|
|
|
{ |
|
61
|
243 |
|
$this->throwIfOperationNotInBaseFolder($parentFolderPath); |
|
62
|
|
|
|
|
63
|
240 |
|
$filePath = $parentFolderPath . '/' . $fileName; |
|
64
|
|
|
|
|
65
|
240 |
|
$wasCreationSuccessful = file_put_contents($filePath, $fileContents); |
|
66
|
240 |
|
if ($wasCreationSuccessful === false) { |
|
67
|
|
|
throw new IOException("Unable to create file: $filePath"); |
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
240 |
|
return $filePath; |
|
71
|
|
|
} |
|
72
|
|
|
|
|
73
|
|
|
/** |
|
74
|
|
|
* Delete the file at the given path |
|
75
|
|
|
* |
|
76
|
|
|
* @param string $filePath Path of the file to delete |
|
77
|
|
|
* @return void |
|
78
|
|
|
* @throws \Box\Spout\Common\Exception\IOException If the file path is not inside of the base folder |
|
79
|
|
|
*/ |
|
80
|
186 |
|
public function deleteFile($filePath) |
|
81
|
|
|
{ |
|
82
|
186 |
|
$this->throwIfOperationNotInBaseFolder($filePath); |
|
83
|
|
|
|
|
84
|
183 |
|
if (file_exists($filePath) && is_file($filePath)) { |
|
85
|
183 |
|
unlink($filePath); |
|
86
|
183 |
|
} |
|
87
|
183 |
|
} |
|
88
|
|
|
|
|
89
|
|
|
/** |
|
90
|
|
|
* Delete the folder at the given path as well as all its contents |
|
91
|
|
|
* |
|
92
|
|
|
* @param string $folderPath Path of the folder to delete |
|
93
|
|
|
* @return void |
|
94
|
|
|
* @throws \Box\Spout\Common\Exception\IOException If the folder path is not inside of the base folder |
|
95
|
|
|
*/ |
|
96
|
210 |
|
public function deleteFolderRecursively($folderPath) |
|
97
|
|
|
{ |
|
98
|
210 |
|
$this->throwIfOperationNotInBaseFolder($folderPath); |
|
99
|
|
|
|
|
100
|
207 |
|
$itemIterator = new \RecursiveIteratorIterator( |
|
101
|
207 |
|
new \RecursiveDirectoryIterator($folderPath, \RecursiveDirectoryIterator::SKIP_DOTS), |
|
102
|
|
|
\RecursiveIteratorIterator::CHILD_FIRST |
|
103
|
207 |
|
); |
|
104
|
|
|
|
|
105
|
207 |
|
foreach ($itemIterator as $item) { |
|
106
|
189 |
|
if ($item->isDir()) { |
|
107
|
183 |
|
rmdir($item->getPathname()); |
|
108
|
183 |
|
} else { |
|
109
|
189 |
|
unlink($item->getPathname()); |
|
110
|
|
|
} |
|
111
|
207 |
|
} |
|
112
|
|
|
|
|
113
|
207 |
|
rmdir($folderPath); |
|
114
|
207 |
|
} |
|
115
|
|
|
|
|
116
|
|
|
/** |
|
117
|
|
|
* All I/O operations must occur inside the base folder, for security reasons. |
|
118
|
|
|
* This function will throw an exception if the folder where the I/O operation |
|
119
|
|
|
* should occur is not inside the base folder. |
|
120
|
|
|
* |
|
121
|
|
|
* @param string $operationFolderPath The path of the folder where the I/O operation should occur |
|
122
|
|
|
* @return void |
|
123
|
|
|
* @throws \Box\Spout\Common\Exception\IOException If the folder where the I/O operation should occur is not inside the base folder |
|
124
|
|
|
*/ |
|
125
|
276 |
|
protected function throwIfOperationNotInBaseFolder($operationFolderPath) |
|
126
|
|
|
{ |
|
127
|
276 |
|
$operationFolderRealPath = realpath($operationFolderPath); |
|
128
|
276 |
|
$isInBaseFolder = (strpos($operationFolderRealPath, $this->baseFolderRealPath) === 0); |
|
129
|
276 |
|
if (!$isInBaseFolder) { |
|
130
|
12 |
|
throw new IOException("Cannot perform I/O operation outside of the base folder: {$this->baseFolderRealPath}"); |
|
131
|
|
|
} |
|
132
|
264 |
|
} |
|
133
|
|
|
} |
|
134
|
|
|
|
box /
spout
