packeta / packetery_vendor / nette / utils / src / Utils / FileSystem.php

FileSystem.php in Packeta 1.3.2, at packetery_vendor/nette/utils/src/Utils/FileSystem.php

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1	<?php
2
3	/**
4	* This file is part of the PacketeryNette Framework (https://nette.org)
5	* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
6	*/
7
8	declare(strict_types=1);
9
10	namespace PacketeryNette\Utils;
11
12	use PacketeryNette;
13
14
15	/**
16	* File system tool.
17	*/
18	final class FileSystem
19	{
20	use PacketeryNette\StaticClass;
21
22	/**
23	* Creates a directory if it doesn't exist.
24	* @throws PacketeryNette\IOException on error occurred
25	*/
26	public static function createDir(string $dir, int $mode = 0777): void
27	{
28	if (!is_dir($dir) && !@mkdir($dir, $mode, true) && !is_dir($dir)) { // @ - dir may already exist
29	throw new PacketeryNette\IOException("Unable to create directory '$dir' with mode " . decoct($mode) . '. ' . Helpers::getLastError());
30	}
31	}
32
33
34	/**
35	* Copies a file or a directory. Overwrites existing files and directories by default.
36	* @throws PacketeryNette\IOException on error occurred
37	* @throws PacketeryNette\InvalidStateException if $overwrite is set to false and destination already exists
38	*/
39	public static function copy(string $origin, string $target, bool $overwrite = true): void
40	{
41	if (stream_is_local($origin) && !file_exists($origin)) {
42	throw new PacketeryNette\IOException("File or directory '$origin' not found.");
43
44	} elseif (!$overwrite && file_exists($target)) {
45	throw new PacketeryNette\InvalidStateException("File or directory '$target' already exists.");
46
47	} elseif (is_dir($origin)) {
48	static::createDir($target);
49	foreach (new \FilesystemIterator($target) as $item) {
50	static::delete($item->getPathname());
51	}
52	foreach ($iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($origin, \RecursiveDirectoryIterator::SKIP_DOTS), \RecursiveIteratorIterator::SELF_FIRST) as $item) {
53	if ($item->isDir()) {
54	static::createDir($target . '/' . $iterator->getSubPathName());
55	} else {
56	static::copy($item->getPathname(), $target . '/' . $iterator->getSubPathName());
57	}
58	}
59
60	} else {
61	static::createDir(dirname($target));
62	if (
63	($s = @fopen($origin, 'rb'))
64	&& ($d = @fopen($target, 'wb'))
65	&& @stream_copy_to_stream($s, $d) === false
66	) { // @ is escalated to exception
67	throw new PacketeryNette\IOException("Unable to copy file '$origin' to '$target'. " . Helpers::getLastError());
68	}
69	}
70	}
71
72
73	/**
74	* Deletes a file or directory if exists.
75	* @throws PacketeryNette\IOException on error occurred
76	*/
77	public static function delete(string $path): void
78	{
79	if (is_file($path) \|\| is_link($path)) {
80	$func = DIRECTORY_SEPARATOR === '\\' && is_dir($path) ? 'rmdir' : 'unlink';
81	if (!@$func($path)) { // @ is escalated to exception
82	throw new PacketeryNette\IOException("Unable to delete '$path'. " . Helpers::getLastError());
83	}
84
85	} elseif (is_dir($path)) {
86	foreach (new \FilesystemIterator($path) as $item) {
87	static::delete($item->getPathname());
88	}
89	if (!@rmdir($path)) { // @ is escalated to exception
90	throw new PacketeryNette\IOException("Unable to delete directory '$path'. " . Helpers::getLastError());
91	}
92	}
93	}
94
95
96	/**
97	* Renames or moves a file or a directory. Overwrites existing files and directories by default.
98	* @throws PacketeryNette\IOException on error occurred
99	* @throws PacketeryNette\InvalidStateException if $overwrite is set to false and destination already exists
100	*/
101	public static function rename(string $origin, string $target, bool $overwrite = true): void
102	{
103	if (!$overwrite && file_exists($target)) {
104	throw new PacketeryNette\InvalidStateException("File or directory '$target' already exists.");
105
106	} elseif (!file_exists($origin)) {
107	throw new PacketeryNette\IOException("File or directory '$origin' not found.");
108
109	} else {
110	static::createDir(dirname($target));
111	if (realpath($origin) !== realpath($target)) {
112	static::delete($target);
113	}
114	if (!@rename($origin, $target)) { // @ is escalated to exception
115	throw new PacketeryNette\IOException("Unable to rename file or directory '$origin' to '$target'. " . Helpers::getLastError());
116	}
117	}
118	}
119
120
121	/**
122	* Reads the content of a file.
123	* @throws PacketeryNette\IOException on error occurred
124	*/
125	public static function read(string $file): string
126	{
127	$content = @file_get_contents($file); // @ is escalated to exception
128	if ($content === false) {
129	throw new PacketeryNette\IOException("Unable to read file '$file'. " . Helpers::getLastError());
130	}
131	return $content;
132	}
133
134
135	/**
136	* Writes the string to a file.
137	* @throws PacketeryNette\IOException on error occurred
138	*/
139	public static function write(string $file, string $content, ?int $mode = 0666): void
140	{
141	static::createDir(dirname($file));
142	if (@file_put_contents($file, $content) === false) { // @ is escalated to exception
143	throw new PacketeryNette\IOException("Unable to write file '$file'. " . Helpers::getLastError());
144	}
145	if ($mode !== null && !@chmod($file, $mode)) { // @ is escalated to exception
146	throw new PacketeryNette\IOException("Unable to chmod file '$file' to mode " . decoct($mode) . '. ' . Helpers::getLastError());
147	}
148	}
149
150
151	/**
152	* Fixes permissions to a specific file or directory. Directories can be fixed recursively.
153	* @throws PacketeryNette\IOException on error occurred
154	*/
155	public static function makeWritable(string $path, int $dirMode = 0777, int $fileMode = 0666): void
156	{
157	if (is_file($path)) {
158	if (!@chmod($path, $fileMode)) { // @ is escalated to exception
159	throw new PacketeryNette\IOException("Unable to chmod file '$path' to mode " . decoct($fileMode) . '. ' . Helpers::getLastError());
160	}
161	} elseif (is_dir($path)) {
162	foreach (new \FilesystemIterator($path) as $item) {
163	static::makeWritable($item->getPathname(), $dirMode, $fileMode);
164	}
165	if (!@chmod($path, $dirMode)) { // @ is escalated to exception
166	throw new PacketeryNette\IOException("Unable to chmod directory '$path' to mode " . decoct($dirMode) . '. ' . Helpers::getLastError());
167	}
168	} else {
169	throw new PacketeryNette\IOException("File or directory '$path' not found.");
170	}
171	}
172
173
174	/**
175	* Determines if the path is absolute.
176	*/
177	public static function isAbsolute(string $path): bool
178	{
179	return (bool) preg_match('#([a-z]:)?[/\\\\]\|[a-z][a-z0-9+.-]*://#Ai', $path);
180	}
181
182
183	/**
184	* Normalizes `..` and `.` and directory separators in path.
185	*/
186	public static function normalizePath(string $path): string
187	{
188	$parts = $path === '' ? [] : preg_split('~[/\\\\]+~', $path);
189	$res = [];
190	foreach ($parts as $part) {
191	if ($part === '..' && $res && end($res) !== '..' && end($res) !== '') {
192	array_pop($res);
193	} elseif ($part !== '.') {
194	$res[] = $part;
195	}
196	}
197	return $res === ['']
198	? DIRECTORY_SEPARATOR
199	: implode(DIRECTORY_SEPARATOR, $res);
200	}
201
202
203	/**
204	* Joins all segments of the path and normalizes the result.
205	*/
206	public static function joinPaths(string ...$paths): string
207	{
208	return self::normalizePath(implode('/', $paths));
209	}
210	}
211