21938400483

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/src/Utils/FileSystem.php

<?php

/**
 * This file is part of the Nette Framework (https://nette.org)
 * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
 */

declare(strict_types=1);

namespace Nette\Utils;

use Nette;
use function array_pop, chmod, decoct, dirname, end, fclose, file_exists, file_get_contents, file_put_contents, fopen, implode, is_dir, is_file, is_link, mkdir, preg_match, preg_split, realpath, rename, rmdir, rtrim, sprintf, str_replace, stream_copy_to_stream, stream_is_local, strtr;
use const DIRECTORY_SEPARATOR;


/**
 * File system tool.
 */
final class FileSystem
{
        /**
         * Creates a directory if it does not exist, including parent directories.
         * @throws Nette\IOException  on error occurred
         */
        public static function createDir(string $dir, int $mode = 0o777): void
        {
                if (!is_dir($dir) && !@mkdir($dir, $mode, recursive: true) && !is_dir($dir)) { // @ - dir may already exist
                        throw new Nette\IOException(sprintf(
                                "Unable to create directory '%s' with mode %s. %s",
                                self::normalizePath($dir),
                                decoct($mode),
                                Helpers::getLastError(),
                        ));
                }
        }


        /**
         * Copies a file or an entire directory. Overwrites existing files and directories by default.
         * @throws Nette\IOException  on error occurred
         * @throws Nette\InvalidStateException  if $overwrite is set to false and destination already exists
         */
        public static function copy(string $origin, string $target, bool $overwrite = true): void
        {
                if (stream_is_local($origin) && !file_exists($origin)) {
                        throw new Nette\IOException(sprintf("File or directory '%s' not found.", self::normalizePath($origin)));

                } elseif (!$overwrite && file_exists($target)) {
                        throw new Nette\InvalidStateException(sprintf("File or directory '%s' already exists.", self::normalizePath($target)));

                } elseif (is_dir($origin)) {
                        static::createDir($target);
                        foreach (new \FilesystemIterator($target) as $item) {
                                \assert($item instanceof \SplFileInfo);
                                static::delete($item->getPathname());
                        }

                        foreach ($iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($origin, \RecursiveDirectoryIterator::SKIP_DOTS), \RecursiveIteratorIterator::SELF_FIRST) as $item) {
                                if ($item->isDir()) {
                                        static::createDir($target . '/' . $iterator->getSubPathname());
                                } else {
                                        static::copy($item->getPathname(), $target . '/' . $iterator->getSubPathname());
                                }
                        }
                } else {
                        static::createDir(dirname($target));
                        if (@stream_copy_to_stream(static::open($origin, 'rb'), static::open($target, 'wb')) === false) { // @ is escalated to exception
                                throw new Nette\IOException(sprintf(
                                        "Unable to copy file '%s' to '%s'. %s",
                                        self::normalizePath($origin),
                                        self::normalizePath($target),
                                        Helpers::getLastError(),
                                ));
                        }
                }
        }


        /**
         * Opens file and returns resource.
         * @return resource
         * @throws Nette\IOException  on error occurred
         */
        public static function open(string $path, string $mode)
        {
                $f = @fopen($path, $mode); // @ is escalated to exception
                if (!$f) {
                        throw new Nette\IOException(sprintf(
                                "Unable to open file '%s'. %s",
                                self::normalizePath($path),
                                Helpers::getLastError(),
                        ));
                }
                return $f;
        }


        /**
         * Deletes a file or an entire directory if exists. If the directory is not empty, it deletes its contents first.
         * @throws Nette\IOException  on error occurred
         */
        public static function delete(string $path): void
        {
                if (is_file($path) || is_link($path)) {
                        $func = DIRECTORY_SEPARATOR === '\\' && is_dir($path) ? 'rmdir' : 'unlink';
                        if (!@$func($path)) { // @ is escalated to exception
                                throw new Nette\IOException(sprintf(
                                        "Unable to delete '%s'. %s",
                                        self::normalizePath($path),
                                        Helpers::getLastError(),
                                ));
                        }
                } elseif (is_dir($path)) {
                        foreach (new \FilesystemIterator($path) as $item) {
                                \assert($item instanceof \SplFileInfo);
                                static::delete($item->getPathname());
                        }

                        if (!@rmdir($path)) { // @ is escalated to exception
                                throw new Nette\IOException(sprintf(
                                        "Unable to delete directory '%s'. %s",
                                        self::normalizePath($path),
                                        Helpers::getLastError(),
                                ));
                        }
                }
        }


        /**
         * Renames or moves a file or a directory. Overwrites existing files and directories by default.
         * @throws Nette\IOException  on error occurred
         * @throws Nette\InvalidStateException  if $overwrite is set to false and destination already exists
         */
        public static function rename(string $origin, string $target, bool $overwrite = true): void
        {
                if (!$overwrite && file_exists($target)) {
                        throw new Nette\InvalidStateException(sprintf("File or directory '%s' already exists.", self::normalizePath($target)));

                } elseif (!file_exists($origin)) {
                        throw new Nette\IOException(sprintf("File or directory '%s' not found.", self::normalizePath($origin)));

                } else {
                        static::createDir(dirname($target));
                        if (realpath($origin) !== realpath($target)) {
                                static::delete($target);
                        }

                        if (!@rename($origin, $target)) { // @ is escalated to exception
                                throw new Nette\IOException(sprintf(
                                        "Unable to rename file or directory '%s' to '%s'. %s",
                                        self::normalizePath($origin),
                                        self::normalizePath($target),
                                        Helpers::getLastError(),
                                ));
                        }
                }
        }


        /**
         * Reads the content of a file.
         * @throws Nette\IOException  on error occurred
         */
        public static function read(string $file): string
        {
                $content = @file_get_contents($file); // @ is escalated to exception
                if ($content === false) {
                        throw new Nette\IOException(sprintf(
                                "Unable to read file '%s'. %s",
                                self::normalizePath($file),
                                Helpers::getLastError(),
                        ));
                }

                return $content;
        }


        /**
         * Reads the file content line by line. Because it reads continuously as we iterate over the lines,
         * it is possible to read files larger than the available memory.
         * @return \Generator<int, string>
         * @throws Nette\IOException  on error occurred
         */
        public static function readLines(string $file, bool $stripNewLines = true): \Generator
        {
                return (function ($f) use ($file, $stripNewLines) {
                        $counter = 0;
                        do {
                                $line = Callback::invokeSafe('fgets', [$f], fn($error) => throw new Nette\IOException(sprintf(
                                        "Unable to read file '%s'. %s",
                                        self::normalizePath($file),
                                        $error,
                                )));
                                if ($line === false) {
                                        fclose($f);
                                        break;
                                }
                                if ($stripNewLines) {
                                        $line = rtrim($line, "\r\n");
                                }

                                yield $counter++ => $line;

                        } while (true);
                })(static::open($file, 'r'));
        }


        /**
         * Writes the string to a file.
         * @throws Nette\IOException  on error occurred
         */
        public static function write(string $file, string $content, ?int $mode = 0o666): void
        {
                static::createDir(dirname($file));
                if (@file_put_contents($file, $content) === false) { // @ is escalated to exception
                        throw new Nette\IOException(sprintf(
                                "Unable to write file '%s'. %s",
                                self::normalizePath($file),
                                Helpers::getLastError(),
                        ));
                }

                if ($mode !== null && !@chmod($file, $mode)) { // @ is escalated to exception
                        throw new Nette\IOException(sprintf(
                                "Unable to chmod file '%s' to mode %s. %s",
                                self::normalizePath($file),
                                decoct($mode),
                                Helpers::getLastError(),
                        ));
                }
        }


        /**
         * Sets file permissions to `$fileMode` or directory permissions to `$dirMode`.
         * Recursively traverses and sets permissions on the entire contents of the directory as well.
         * @throws Nette\IOException  on error occurred
         */
        public static function makeWritable(string $path, int $dirMode = 0o777, int $fileMode = 0o666): void
        {
                if (is_file($path)) {
                        if (!@chmod($path, $fileMode)) { // @ is escalated to exception
                                throw new Nette\IOException(sprintf(
                                        "Unable to chmod file '%s' to mode %s. %s",
                                        self::normalizePath($path),
                                        decoct($fileMode),
                                        Helpers::getLastError(),
                                ));
                        }
                } elseif (is_dir($path)) {
                        foreach (new \FilesystemIterator($path) as $item) {
                                \assert($item instanceof \SplFileInfo);
                                static::makeWritable($item->getPathname(), $dirMode, $fileMode);
                        }

                        if (!@chmod($path, $dirMode)) { // @ is escalated to exception
                                throw new Nette\IOException(sprintf(
                                        "Unable to chmod directory '%s' to mode %s. %s",
                                        self::normalizePath($path),
                                        decoct($dirMode),
                                        Helpers::getLastError(),
                                ));
                        }
                } else {
                        throw new Nette\IOException(sprintf("File or directory '%s' not found.", self::normalizePath($path)));
                }
        }


        /**
         * Determines if the path is absolute.
         */
        public static function isAbsolute(string $path): bool
        {
                return (bool) preg_match('#([a-z]:)?[/\\\]|[a-z][a-z0-9+.-]*://#Ai', $path);
        }


        /**
         * Normalizes `..` and `.` and directory separators in path.
         */
        public static function normalizePath(string $path): string
        {
                $parts = $path === '' ? [] : preg_split('~[/\\\]+~', $path);
                $res = [];
                foreach ($parts as $part) {
                        if ($part === '..' && $res && end($res) !== '..' && end($res) !== '') {
                                array_pop($res);
                        } elseif ($part !== '.') {
                                $res[] = $part;
                        }
                }

                return $res === ['']
                        ? DIRECTORY_SEPARATOR
                        : implode(DIRECTORY_SEPARATOR, $res);
        }


        /**
         * Joins all segments of the path and normalizes the result.
         */
        public static function joinPaths(string ...$paths): string
        {
                return self::normalizePath(implode('/', $paths));
        }


        /**
         * Resolves a path against a base path. If the path is absolute, returns it directly, if it's relative, joins it with the base path.
         */
        public static function resolvePath(string $basePath, string $path): string
        {
                return match (true) {
                        self::isAbsolute($path) => self::platformSlashes($path),
                        $path === '' => self::platformSlashes($basePath),
                        default => self::joinPaths($basePath, $path),
                };
        }


        /**
         * Converts backslashes to slashes.
         */
        public static function unixSlashes(string $path): string
        {
                return strtr($path, '\\', '/');
        }


        /**
         * Converts slashes to platform-specific directory separators.
         */
        public static function platformSlashes(string $path): string
        {
                return DIRECTORY_SEPARATOR === '/'
                        ? strtr($path, '\\', '/')
                        : str_replace(':\\\\', '://', strtr($path, '/', '\\')); // protocol://
        }
}

1	<?php
2
3	/**
4	* This file is part of the Nette Framework (https://nette.org)
5	* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
6	*/
7
8	declare(strict_types=1);
9
10	namespace Nette\Utils;
11
12	use Nette;
13	use function array_pop, chmod, decoct, dirname, end, fclose, file_exists, file_get_contents, file_put_contents, fopen, implode, is_dir, is_file, is_link, mkdir, preg_match, preg_split, realpath, rename, rmdir, rtrim, sprintf, str_replace, stream_copy_to_stream, stream_is_local, strtr;
14	use const DIRECTORY_SEPARATOR;
15
16
17	/**
18	* File system tool.
19	*/
20	final class FileSystem
21	{
22	/**
23	* Creates a directory if it does not exist, including parent directories.
24	* @throws Nette\IOException on error occurred
25	*/
26	public static function createDir(string $dir, int $mode = 0o777): void	1✔
27	{
28	if (!is_dir($dir) && !@mkdir($dir, $mode, recursive: true) && !is_dir($dir)) { // @ - dir may already exist	1✔
29	throw new Nette\IOException(sprintf(	1✔
30	"Unable to create directory '%s' with mode %s. %s",	1✔
31	self::normalizePath($dir),	1✔
32	decoct($mode),	1✔
33	Helpers::getLastError(),	1✔
34	));
35	}
36	}	1✔
37
38
39	/**
40	* Copies a file or an entire directory. Overwrites existing files and directories by default.
41	* @throws Nette\IOException on error occurred
42	* @throws Nette\InvalidStateException if $overwrite is set to false and destination already exists
43	*/
44	public static function copy(string $origin, string $target, bool $overwrite = true): void	1✔
45	{
46	if (stream_is_local($origin) && !file_exists($origin)) {	1✔
47	throw new Nette\IOException(sprintf("File or directory '%s' not found.", self::normalizePath($origin)));	1✔
48
49	} elseif (!$overwrite && file_exists($target)) {	1✔
50	throw new Nette\InvalidStateException(sprintf("File or directory '%s' already exists.", self::normalizePath($target)));	1✔
51
52	} elseif (is_dir($origin)) {	1✔
53	static::createDir($target);	1✔
54	foreach (new \FilesystemIterator($target) as $item) {	1✔
55	\assert($item instanceof \SplFileInfo);
56	static::delete($item->getPathname());	1✔
57	}
58
59	foreach ($iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($origin, \RecursiveDirectoryIterator::SKIP_DOTS), \RecursiveIteratorIterator::SELF_FIRST) as $item) {	1✔
60	if ($item->isDir()) {	1✔
61	static::createDir($target . '/' . $iterator->getSubPathname());	×
62	} else {
63	static::copy($item->getPathname(), $target . '/' . $iterator->getSubPathname());	1✔
64	}
65	}
66	} else {
67	static::createDir(dirname($target));	1✔
68	if (@stream_copy_to_stream(static::open($origin, 'rb'), static::open($target, 'wb')) === false) { // @ is escalated to exception	1✔
69	throw new Nette\IOException(sprintf(	×
70	"Unable to copy file '%s' to '%s'. %s",	×
71	self::normalizePath($origin),	×
72	self::normalizePath($target),	×
73	Helpers::getLastError(),	×
74	));
75	}
76	}
77	}	1✔
78
79
80	/**
81	* Opens file and returns resource.
82	* @return resource
83	* @throws Nette\IOException on error occurred
84	*/
85	public static function open(string $path, string $mode)	1✔
86	{
87	$f = @fopen($path, $mode); // @ is escalated to exception	1✔
88	if (!$f) {	1✔
89	throw new Nette\IOException(sprintf(	1✔
90	"Unable to open file '%s'. %s",	1✔
91	self::normalizePath($path),	1✔
92	Helpers::getLastError(),	1✔
93	));
94	}
95	return $f;	1✔
96	}
97
98
99	/**
100	* Deletes a file or an entire directory if exists. If the directory is not empty, it deletes its contents first.
101	* @throws Nette\IOException on error occurred
102	*/
103	public static function delete(string $path): void	1✔
104	{
105	if (is_file($path) \|\| is_link($path)) {	1✔
106	$func = DIRECTORY_SEPARATOR === '\\' && is_dir($path) ? 'rmdir' : 'unlink';	1✔
107	if (!@$func($path)) { // @ is escalated to exception	1✔
108	throw new Nette\IOException(sprintf(	×
109	"Unable to delete '%s'. %s",	×
110	self::normalizePath($path),	×
111	Helpers::getLastError(),	×
112	));
113	}
114	} elseif (is_dir($path)) {	1✔
115	foreach (new \FilesystemIterator($path) as $item) {	1✔
116	\assert($item instanceof \SplFileInfo);
117	static::delete($item->getPathname());	1✔
118	}
119
120	if (!@rmdir($path)) { // @ is escalated to exception	1✔
121	throw new Nette\IOException(sprintf(	×
122	"Unable to delete directory '%s'. %s",	×
123	self::normalizePath($path),	×
124	Helpers::getLastError(),	×
125	));
126	}
127	}
128	}	1✔
129
130
131	/**
132	* Renames or moves a file or a directory. Overwrites existing files and directories by default.
133	* @throws Nette\IOException on error occurred
134	* @throws Nette\InvalidStateException if $overwrite is set to false and destination already exists
135	*/
136	public static function rename(string $origin, string $target, bool $overwrite = true): void	1✔
137	{
138	if (!$overwrite && file_exists($target)) {	1✔
139	throw new Nette\InvalidStateException(sprintf("File or directory '%s' already exists.", self::normalizePath($target)));	1✔
140
141	} elseif (!file_exists($origin)) {	1✔
142	throw new Nette\IOException(sprintf("File or directory '%s' not found.", self::normalizePath($origin)));	1✔
143
144	} else {
145	static::createDir(dirname($target));	1✔
146	if (realpath($origin) !== realpath($target)) {	1✔
147	static::delete($target);	1✔
148	}
149
150	if (!@rename($origin, $target)) { // @ is escalated to exception	1✔
151	throw new Nette\IOException(sprintf(	×
152	"Unable to rename file or directory '%s' to '%s'. %s",	×
153	self::normalizePath($origin),	×
154	self::normalizePath($target),	×
155	Helpers::getLastError(),	×
156	));
157	}
158	}
159	}	1✔
160
161
162	/**
163	* Reads the content of a file.
164	* @throws Nette\IOException on error occurred
165	*/
166	public static function read(string $file): string	1✔
167	{
168	$content = @file_get_contents($file); // @ is escalated to exception	1✔
169	if ($content === false) {	1✔
170	throw new Nette\IOException(sprintf(	1✔
171	"Unable to read file '%s'. %s",	1✔
172	self::normalizePath($file),	1✔
173	Helpers::getLastError(),	1✔
174	));
175	}
176
177	return $content;	1✔
178	}
179
180
181	/**
182	* Reads the file content line by line. Because it reads continuously as we iterate over the lines,
183	* it is possible to read files larger than the available memory.
184	* @return \Generator<int, string>
185	* @throws Nette\IOException on error occurred
186	*/
187	public static function readLines(string $file, bool $stripNewLines = true): \Generator	1✔
188	{
189	return (function ($f) use ($file, $stripNewLines) {	1✔
190	$counter = 0;	1✔
191	do {
192	$line = Callback::invokeSafe('fgets', [$f], fn($error) => throw new Nette\IOException(sprintf(	1✔
193	"Unable to read file '%s'. %s",
194	self::normalizePath($file),
195	$error,
196	)));	1✔
197	if ($line === false) {	1✔
198	fclose($f);	1✔
199	break;	1✔
200	}
201	if ($stripNewLines) {	1✔
202	$line = rtrim($line, "\r\n");	1✔
203	}
204
205	yield $counter++ => $line;	1✔
206
207	} while (true);	1✔
208	})(static::open($file, 'r'));	1✔
209	}
210
211
212	/**
213	* Writes the string to a file.
214	* @throws Nette\IOException on error occurred
215	*/
216	public static function write(string $file, string $content, ?int $mode = 0o666): void	1✔
217	{
218	static::createDir(dirname($file));	1✔
219	if (@file_put_contents($file, $content) === false) { // @ is escalated to exception	1✔
220	throw new Nette\IOException(sprintf(	×
221	"Unable to write file '%s'. %s",	×
222	self::normalizePath($file),	×
223	Helpers::getLastError(),	×
224	));
225	}
226
227	if ($mode !== null && !@chmod($file, $mode)) { // @ is escalated to exception	1✔
228	throw new Nette\IOException(sprintf(	×
229	"Unable to chmod file '%s' to mode %s. %s",	×
230	self::normalizePath($file),	×
231	decoct($mode),	×
232	Helpers::getLastError(),	×
233	));
234	}
235	}	1✔
236
237
238	/**
239	* Sets file permissions to `$fileMode` or directory permissions to `$dirMode`.
240	* Recursively traverses and sets permissions on the entire contents of the directory as well.
241	* @throws Nette\IOException on error occurred
242	*/
243	public static function makeWritable(string $path, int $dirMode = 0o777, int $fileMode = 0o666): void	1✔
244	{
245	if (is_file($path)) {	1✔
246	if (!@chmod($path, $fileMode)) { // @ is escalated to exception	1✔
247	throw new Nette\IOException(sprintf(	×
248	"Unable to chmod file '%s' to mode %s. %s",	×
249	self::normalizePath($path),	×
250	decoct($fileMode),	×
251	Helpers::getLastError(),	×
252	));
253	}
254	} elseif (is_dir($path)) {	1✔
255	foreach (new \FilesystemIterator($path) as $item) {	1✔
256	\assert($item instanceof \SplFileInfo);
257	static::makeWritable($item->getPathname(), $dirMode, $fileMode);	1✔
258	}
259
260	if (!@chmod($path, $dirMode)) { // @ is escalated to exception	1✔
261	throw new Nette\IOException(sprintf(	×
262	"Unable to chmod directory '%s' to mode %s. %s",	×
263	self::normalizePath($path),	×
264	decoct($dirMode),	×
265	Helpers::getLastError(),	×
266	));
267	}
268	} else {
269	throw new Nette\IOException(sprintf("File or directory '%s' not found.", self::normalizePath($path)));	1✔
270	}
271	}	1✔
272
273
274	/**
275	* Determines if the path is absolute.
276	*/
277	public static function isAbsolute(string $path): bool	1✔
278	{
279	return (bool) preg_match('#([a-z]:)?[/\\\]\|[a-z][a-z0-9+.-]*://#Ai', $path);	1✔
280	}
281
282
283	/**
284	* Normalizes `..` and `.` and directory separators in path.
285	*/
286	public static function normalizePath(string $path): string	1✔
287	{
288	$parts = $path === '' ? [] : preg_split('~[/\\\]+~', $path);	1✔
289	$res = [];	1✔
290	foreach ($parts as $part) {	1✔
291	if ($part === '..' && $res && end($res) !== '..' && end($res) !== '') {	1✔
292	array_pop($res);	1✔
293	} elseif ($part !== '.') {	1✔
294	$res[] = $part;	1✔
295	}
296	}
297
298	return $res === ['']	1✔
299	? DIRECTORY_SEPARATOR	1✔
300	: implode(DIRECTORY_SEPARATOR, $res);	1✔
301	}
302
303
304	/**
305	* Joins all segments of the path and normalizes the result.
306	*/
307	public static function joinPaths(string ...$paths): string	1✔
308	{
309	return self::normalizePath(implode('/', $paths));	1✔
310	}
311
312
313	/**
314	* Resolves a path against a base path. If the path is absolute, returns it directly, if it's relative, joins it with the base path.
315	*/
316	public static function resolvePath(string $basePath, string $path): string	1✔
317	{
318	return match (true) {
319	self::isAbsolute($path) => self::platformSlashes($path),	1✔
320	$path === '' => self::platformSlashes($basePath),	1✔
321	default => self::joinPaths($basePath, $path),	1✔
322	};
323	}
324
325
326	/**
327	* Converts backslashes to slashes.
328	*/
329	public static function unixSlashes(string $path): string	1✔
330	{
331	return strtr($path, '\\', '/');	1✔
332	}
333
334
335	/**
336	* Converts slashes to platform-specific directory separators.
337	*/
338	public static function platformSlashes(string $path): string	1✔
339	{
340	return DIRECTORY_SEPARATOR === '/'	1✔
341	? strtr($path, '\\', '/')	1✔
342	: str_replace(':\\\\', '://', strtr($path, '/', '\\')); // protocol://	1✔
343	}
344	}

nette / utils / 21938400483

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