wpide / App / Services / Tmpfs / Adapters / Tmpfs.php

Tmpfs.php in WPIDE – File Manager & Code Editor 3.5.9, at App/Services/Tmpfs/Adapters/Tmpfs.php

131 lines 3.4 KB

Raw Download Zip

1	<?php
2
3	namespace WPIDE\App\Services\Tmpfs\Adapters;
4
5	use WPIDE\App\Services\Service;
6	use WPIDE\App\Services\Tmpfs\TmpfsInterface;
7
8	class Tmpfs implements Service, TmpfsInterface
9	{
10	protected $path;
11
12	public function init(array $config = [])
13	{
14	$this->path = $config['path'];
15
16	if (! is_dir($this->path)) {
17	mkdir($this->path);
18	}
19
20	if (mt_rand(0, 99) < $config['gc_probability_perc']) {
21	$this->clean($config['gc_older_than']);
22	}
23	}
24
25	public function write(string $filename, $data, $append = false)
26	{
27	$filename = $this->sanitizeFilename($filename);
28
29	$flags = 0;
30
31	if ($append) {
32	$flags = FILE_APPEND;
33	}
34
35	return file_put_contents($this->getPath().$filename, $data, $flags) !== false;
36	}
37
38	public function getFileLocation(string $filename): string
39	{
40	$filename = $this->sanitizeFilename($filename);
41
42	return $this->getPath().$filename;
43	}
44
45	public function read(string $filename): string
46	{
47	$filename = $this->sanitizeFilename($filename);
48
49	return (string) file_get_contents($this->getPath().$filename);
50	}
51
52	public function readStream(string $filename): array
53	{
54	$filename = $this->sanitizeFilename($filename);
55
56	$stream = fopen($this->getPath().$filename, 'r');
57	$filesize = filesize($this->getPath().$filename);
58
59	return [
60	'filename' => $filename,
61	'stream' => $stream,
62	'filesize' => $filesize,
63	];
64	}
65
66	public function exists(string $filename): bool
67	{
68	$filename = $this->sanitizeFilename($filename);
69
70	return file_exists($this->getPath().$filename);
71	}
72
73	public function findAll($pattern): array
74	{
75	$files = [];
76	$matches = glob($this->getPath().$pattern);
77	if (! empty($matches)) {
78	foreach ($matches as $filename) {
79	if (is_file($filename)) {
80	$files[] = [
81	'name' => basename($filename),
82	'size' => filesize($filename),
83	'time' => filemtime($filename),
84	];
85	}
86	}
87	}
88
89	return $files;
90	}
91
92	public function remove(string $filename): bool
93	{
94	$filename = $this->sanitizeFilename($filename);
95
96	return unlink($this->getPath().$filename);
97	}
98
99	public function clean(int $older_than)
100	{
101	$files = $this->findAll('*');
102	foreach ($files as $file) {
103	if (time() - $file['time'] >= $older_than) {
104	$this->remove($file['name']);
105	}
106	}
107	}
108
109	private function getPath(): string
110	{
111	return $this->path;
112	}
113
114	private function sanitizeFilename($filename): string
115	{
116	$filename = (string) preg_replace(
117	'~
118	[<>:"/\\\|?*]\| # file system reserved https://en.wikipedia.org/wiki/Filename#Reserved_characters_and_words
119	[\x00-\x1F]\| # control characters http://msdn.microsoft.com/en-us/library/windows/desktop/aa365247%28v=vs.85%29.aspx
120	[\x7F\xA0\xAD]\| # non-printing characters DEL, NO-BREAK SPACE, SOFT HYPHEN
121	[;\\\{}^\~`] # other non-safe
122	~xu',
123	'-',
124	(string) $filename
125	);
126
127	// maximize filename length to 255 bytes http://serverfault.com/a/9548/44086
128	return mb_substr($filename, 0, 255);
129	}
130	}
131