FileHelper::copyDirectory() - Code Metrics - Inspection of "Add beforeCopy and afterCopy options" - yiisoft/files - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#59)

unknown

created 2022-04-14 18:24 UTC

FileHelper::copyDirectory() F

↳ Parent: FileHelper

Complexity

Conditions	17
Paths	400

Size

Total Lines	52
Code Lines	30

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	29
CRAP Score	17.0775

Importance

Changes	3
Bugs	1	Features	0

Metric	Value
cc	17
eloc	30
c	3
b	1
f	0
nc	400
nop	3
dl	0
loc	52
ccs	29
cts	31
cp	0.9355
crap	17.0775
rs	1.8833

How to fix Long Method Complexity

<?php

declare(strict_types=1);

namespace Yiisoft\Files;

use FilesystemIterator;
use InvalidArgumentException;
use LogicException;
use RecursiveDirectoryIterator;
use RecursiveIteratorIterator;
use RuntimeException;
use Yiisoft\Files\PathMatcher\PathMatcherInterface;

use function array_key_exists;
use function get_class;
use function gettype;
use function is_object;

/**
 * FileHelper provides useful methods to manage files and directories.
 */
final class FileHelper
{
    /**
     * Opens a file or URL.
     *
     * This method is similar to the PHP {@see fopen()} function, except that it suppresses the {@see E_WARNING}
     * level error and throws the {@see \RuntimeException} exception if it can't open the file.
     *
     * @param string $filename The file or URL.
     * @param string $mode The type of access.
     * @param bool $useIncludePath Whether to search for a file in the include path.
     * @param resource|null $context The stream context or `null`.
     *
     * @throws RuntimeException If the file could not be opened.
     *
     * @return resource The file pointer resource.
     *
     * @psalm-suppress PossiblyNullArgument
     */
    public static function openFile(string $filename, string $mode, bool $useIncludePath = false, $context = null)
    {
        /** @psalm-suppress InvalidArgument, MixedArgumentTypeCoercion */
        set_error_handler(static function (int $errorNumber, string $errorString) use ($filename): bool {
            throw new RuntimeException(
                sprintf('Failed to open a file "%s". ', $filename) . $errorString,
                $errorNumber
            );
        });

        $filePointer = fopen($filename, $mode, $useIncludePath, $context);

        restore_error_handler();

        if ($filePointer === false) {
            throw new RuntimeException(sprintf('Failed to open a file "%s". ', $filename));
        }

        return $filePointer;
    }

    /**
     * Ensures directory exists and has specific permissions.
     *
     * This method is similar to the PHP {@see mkdir()} function with some differences:
     *
     * - It does not fail if directory already exists.
     * - It uses {@see chmod()} to set the permission of the created directory in order to avoid the impact
     *   of the `umask` setting.
     * - It throws exceptions instead of returning false and emitting {@see E_WARNING}.
     *
     * @param string $path Path of the directory to be created.
     * @param int $mode The permission to be set for the created directory.
     */
    public static function ensureDirectory(string $path, int $mode = 0775): void
    {
        $path = self::normalizePath($path);

        if (!is_dir($path)) {
            set_error_handler(static function (int $errorNumber, string $errorString) use ($path): bool {
                // Handle race condition.
                // See https://github.com/kalessil/phpinspectionsea/blob/master/docs/probable-bugs.md#mkdir-race-condition
                if (!is_dir($path)) {
                    throw new RuntimeException(
                        sprintf('Failed to create directory "%s". ', $path) . $errorString,
                        $errorNumber
                    );
                }
                return true;
            });

            mkdir($path, $mode, true);

            restore_error_handler();
        }

        if (!chmod($path, $mode)) {
            throw new RuntimeException(sprintf('Unable to set mode "%s" for "%s".', $mode, $path));
        }
    }

    /**
     * Normalizes a file/directory path.
     *
     * The normalization does the following work:
     *
     * - Convert all directory separators into `/` (e.g. "\a/b\c" becomes "/a/b/c")
     * - Remove trailing directory separators (e.g. "/a/b/c/" becomes "/a/b/c")
     * - Turn multiple consecutive slashes into a single one (e.g. "/a///b/c" becomes "/a/b/c")
     * - Remove ".." and "." based on their meanings (e.g. "/a/./b/../c" becomes "/a/c")
     *
     * @param string $path The file/directory path to be normalized.
     *
     * @return string The normalized file/directory path.
     */
    public static function normalizePath(string $path): string
    {
        $isWindowsShare = strpos($path, '\\\\') === 0;

        if ($isWindowsShare) {
            $path = substr($path, 2);
        }

        $path = rtrim(strtr($path, '/\\', '//'), '/');

        if (strpos('/' . $path, '/.') === false && strpos($path, '//') === false) {
            return $isWindowsShare ? "\\\\$path" : $path;
        }

        $parts = [];

        foreach (explode('/', $path) as $part) {
            if ($part === '..' && !empty($parts) && end($parts) !== '..') {
                array_pop($parts);
            } elseif ($part !== '.' && ($part !== '' || empty($parts))) {
                $parts[] = $part;
            }
        }

        $path = implode('/', $parts);

        if ($isWindowsShare) {
            $path = '\\\\' . $path;
        }

        return $path === '' ? '.' : $path;
    }

    /**
     * Removes a directory (and all its content) recursively. Does nothing if directory does not exists.
     *
     * @param string $directory The directory to be deleted recursively.
     * @param array $options Options for directory remove ({@see clearDirectory()}).
     *
     * @throw RuntimeException when unable to remove directory.
     */
    public static function removeDirectory(string $directory, array $options = []): void
    {
        if (!file_exists($directory)) {
            return;
        }

        self::clearDirectory($directory, $options);

        if (is_link($directory)) {
            self::unlink($directory);
        } else {
            set_error_handler(static function (int $errorNumber, string $errorString) use ($directory): bool {
                throw new RuntimeException(
                    sprintf('Failed to remove directory "%s". ', $directory) . $errorString,
                    $errorNumber
                );
            });

            rmdir($directory);

            restore_error_handler();
        }
    }

    /**
     * Clear all directory content.
     *
     * @param string $directory The directory to be cleared.
     * @param array $options Options for directory clear . Valid options are:
     *
     * - traverseSymlinks: boolean, whether symlinks to the directories should be traversed too.
     *   Defaults to `false`, meaning the content of the symlinked directory would not be deleted.
     *   Only symlink would be removed in that default case.
     *
     * @throws RuntimeException if unable to open directory.
     */
    public static function clearDirectory(string $directory, array $options = []): void
    {
        $handle = self::openDirectory($directory);
        if (!empty($options['traverseSymlinks']) || !is_link($directory)) {
            while (($file = readdir($handle)) !== false) {
                if ($file === '.' || $file === '..') {
                    continue;
                }
                $path = $directory . '/' . $file;
                if (is_dir($path)) {
                    self::removeDirectory($path, $options);
                } else {
                    self::unlink($path);
                }
            }
            closedir($handle);
        }
    }

    /**
     * Removes a file or symlink in a cross-platform way.
     *
     * @param string $path Path to unlink.
     */
    public static function unlink(string $path): void
    {
        /** @psalm-suppress InvalidArgument, MixedArgumentTypeCoercion */
        set_error_handler(static function (int $errorNumber, string $errorString) use ($path): bool {
            throw new RuntimeException(
                sprintf('Failed to unlink "%s". ', $path) . $errorString,
                $errorNumber
            );
        });

        $isWindows = DIRECTORY_SEPARATOR === '\\';

        if ($isWindows) {
            if (is_link($path)) {
                try {
                    unlink($path);
                } catch (RuntimeException $e) {
                    rmdir($path);
                }
            } else {
                if (file_exists($path) && !is_writable($path)) {
                    chmod($path, 0777);
                }
                unlink($path);
            }
        } else {
            unlink($path);
        }
        restore_error_handler();
    }

    /**
     * Tells whether the path is a empty directory.
     *
     * @param string $path Path to check for being an empty directory.
     *
     * @return bool
     */
    public static function isEmptyDirectory(string $path): bool
    {
        if (!is_dir($path)) {
            return false;
        }

        return !(new FilesystemIterator($path))->valid();
    }

    /**
     * Copies a whole directory as another one.
     *
     * The files and sub-directories will also be copied over.
     *
     * @param string $source The source directory.
     * @param string $destination The destination directory.
     * @param array $options Options for directory copy. Valid options are:
     *
     * - dirMode: integer, the permission to be set for newly copied directories. Defaults to 0775.
     * - fileMode: integer, the permission to be set for newly copied files. Defaults to the current environment
     *   setting.
     * - filter: a filter to apply while copying files. It should be an instance of {@see PathMatcherInterface}.
     * - recursive: boolean, whether the files under the subdirectories should also be copied. Defaults to true.
     * - beforeCopy: callback, a PHP callback that is called before copying each sub-directory or file. If the callback
     *   returns false, the copy operation for the sub-directory or file will be cancelled. The signature of the
     *   callback should be: `function ($from, $to)`, where `$from` is the sub-directory or file to be copied from,
     *   while `$to` is the copy target.
     * - afterCopy: callback, a PHP callback that is called after each sub-directory or file is successfully copied.
     *   The signature of the callback should be: `function ($from, $to)`, where `$from` is the sub-directory or file
     *   copied from, while `$to` is the copy target.
     * - copyEmptyDirectories: boolean, whether to copy empty directories. Set this to false to avoid creating
     *   directories that do not contain files. This affects directories that do not contain files initially as well as
     *   directories that do not contain files at the target destination because files have been filtered via `only` or
     *   `except`. Defaults to true.
     *
     * @throws RuntimeException if unable to open directory
     *
     * @psalm-param array{
     *   dirMode?: int,
     *   fileMode?: int,
     *   filter?: \Yiisoft\Files\PathMatcher\PathMatcherInterface|mixed,
     *   recursive?: bool,
     *   beforeCopy?: callable,
     *   afterCopy?: callable,
     *   copyEmptyDirectories?: bool,
     * } $options
     */
    public static function copyDirectory(string $source, string $destination, array $options = []): void
    {
        $filter = self::getFilter($options);
        $afterCopy = $options['afterCopy'] ?? null;
        $beforeCopy = $options['beforeCopy'] ?? null;
        $recursive = !array_key_exists('recursive', $options) || $options['recursive'];

        if (!isset($options['dirMode'])) {
            $options['dirMode'] = 0755;
        }

        $source = self::normalizePath($source);
        $destination = self::normalizePath($destination);
        $copyEmptyDirectories = !array_key_exists('copyEmptyDirectories', $options) || $options['copyEmptyDirectories'];

        self::assertNotSelfDirectory($source, $destination);

        if (!is_dir($destination) && $copyEmptyDirectories) {
            self::ensureDirectory($destination, $options['dirMode']);
        }

        if ($beforeCopy && $beforeCopy($source, $destination) === false) {
            return;
        }

        $handle = self::openDirectory($source);

        if (!array_key_exists('basePath', $options)) {
            $options['basePath'] = realpath($source);
        }

        while (($file = readdir($handle)) !== false) {
            if ($file === '.' || $file === '..') {
                continue;
            }

            $from = $source . '/' . $file;
            $to = $destination . '/' . $file;

            if ($filter === null || $filter->match($from)) {
                if (is_file($from)) {
                    self::copyFile($from, $to, $options);
                } elseif ($recursive) {
                    self::copyDirectory($from, $to, $options);
                }
            }
        }

        closedir($handle);

        if ($afterCopy) {
            $afterCopy($source, $destination);
        }
    }

    /**
     * Copies files with some options.
     *
     * - dirMode: integer or null, the permission to be set for newly copied directories. Defaults to null.
     *   When null - directory will be not created
     * - fileMode: integer, the permission to be set for newly copied files. Defaults to the current environment
     *   setting.
     * - beforeCopy: callback, a PHP callback that is called before copying file. If the callback
     *   returns false, the copy operation for file will be cancelled. The signature of the
     *   callback should be: `function ($from, $to)`, where `$from` is the file to be copied from,
     *   while `$to` is the copy target.
     * - afterCopy: callback, a PHP callback that is called after file if successfully copied.
     *   The signature of the callback should be: `function ($from, $to)`, where `$from` is the file
     *   copied from, while `$to` is the copy target.
     *
     * @param string $source The source file
     * @param string $destination The destination filename
     * @param array $options
     *
     * @psalm-param array{
     *   dirMode?: int,
     *   fileMode?: int,
     *   beforeCopy?: callable,
     *   afterCopy?: callable,
     * } $options
     *
     * @return bool
     */
    public static function copyFile(string $source, string $destination, array $options = []): bool
    {
        if (!is_file($source)) {
            return false;
        }

        $dirname = dirname($destination);
        $dirMode = $options['dirMode'] ?? null;
        $fileMode = $options['fileMode'] ?? null;
        $afterCopy = $options['afterCopy'] ?? null;
        $beforeCopy = $options['beforeCopy'] ?? null;

        if ($beforeCopy && $beforeCopy($source, $destination) === false) {
            return false;
        }

        if (!is_dir($dirname)) {
            if ($dirMode === null) {
                return false;
            }

            self::ensureDirectory($dirname, $dirMode);
        }

        if (copy($source, $destination)) {
            if ($fileMode !== null) {
                chmod($destination, $fileMode);
            }

            if ($afterCopy) {
                $afterCopy($source, $destination);
            }

            return true;
        }

        return false;
    }

    private static function getFilter(array $options): ?PathMatcherInterface
    {
        if (!array_key_exists('filter', $options)) {
            return null;
        }

        if (!$options['filter'] instanceof PathMatcherInterface) {
            $type = is_object($options['filter']) ? get_class($options['filter']) : gettype($options['filter']);
            throw new InvalidArgumentException(sprintf('Filter should be an instance of PathMatcherInterface, %s given.', $type));
        }

        return $options['filter'];
    }

    /**
     * Assert that destination is not within the source directory.
     *
     * @param string $source Path to source.
     * @param string $destination Path to destination.
     *
     * @throws InvalidArgumentException
     */
    private static function assertNotSelfDirectory(string $source, string $destination): void
    {
        if ($source === $destination || strpos($destination, $source . '/') === 0) {
            throw new InvalidArgumentException('Trying to copy a directory to itself or a subdirectory.');
        }
    }

    /**
     * Open directory handle.
     *
     * @param string $directory Path to directory.
     *
     * @throws RuntimeException if unable to open directory.
     * @throws InvalidArgumentException if argument is not a directory.
     *
     * @return resource
     */
    private static function openDirectory(string $directory)
    {
        if (!file_exists($directory)) {
            throw new InvalidArgumentException("\"$directory\" does not exist.");
        }

        if (!is_dir($directory)) {
            throw new InvalidArgumentException("\"$directory\" is not a directory.");
        }

        /** @psalm-suppress InvalidArgument, MixedArgumentTypeCoercion */
        set_error_handler(static function (int $errorNumber, string $errorString) use ($directory): bool {
            throw new RuntimeException(
                sprintf('Unable to open directory "%s". ', $directory) . $errorString,
                $errorNumber
            );
        });

        $handle = opendir($directory);

        if ($handle === false) {
            throw new RuntimeException(sprintf('Unable to open directory "%s". ', $directory));
        }

        restore_error_handler();

        return $handle;
    }

    /**
     * Returns the last modification time for the given paths.
     *
     * If the path is a directory, any nested files/directories will be checked as well.
     *
     * @param string ...$paths The directories to be checked.
     *
     * @throws LogicException If path is not set.
     *
     * @return int Unix timestamp representing the last modification time.
     */
    public static function lastModifiedTime(string ...$paths): int
    {
        if (empty($paths)) {
            throw new LogicException('Path is required.');
        }

        $times = [];

        foreach ($paths as $path) {
            $times[] = self::modifiedTime($path);

            if (is_file($path)) {
                continue;
            }

            /** @var iterable<string, string> $iterator */
            $iterator = new RecursiveIteratorIterator(
                new RecursiveDirectoryIterator($path, FilesystemIterator::SKIP_DOTS),
                RecursiveIteratorIterator::SELF_FIRST
            );

            foreach ($iterator as $p => $_info) {
                $times[] = self::modifiedTime($p);
            }
        }

        /** @psalm-suppress ArgumentTypeCoercion */
        return max($times);
    }

    private static function modifiedTime(string $path): int
    {
        return (int)filemtime($path);
    }

    /**
     * Returns the directories found under the specified directory and subdirectories.
     *
     * @param string $directory The directory under which the files will be looked for.
     * @param array $options Options for directory searching. Valid options are:
     *
     * - filter: a filter to apply while looked directories. It should be an instance of {@see PathMatcherInterface}.
     * - recursive: boolean, whether the subdirectories should also be looked for. Defaults to `true`.
     *
     * @psalm-param array{
     *   filter?: \Yiisoft\Files\PathMatcher\PathMatcherInterface|mixed,
     *   recursive?: bool,
     * } $options
     *
     * @throws InvalidArgumentException If the directory is invalid.
     *
     * @return string[] Directories found under the directory specified, in no particular order.
     * Ordering depends on the file system used.
     */
    public static function findDirectories(string $directory, array $options = []): array
    {
        $filter = self::getFilter($options);
        $recursive = !array_key_exists('recursive', $options) || $options['recursive'];
        $directory = self::normalizePath($directory);

        $result = [];

        $handle = self::openDirectory($directory);
        while (false !== $file = readdir($handle)) {
            if ($file === '.' || $file === '..') {
                continue;
            }

            $path = $directory . '/' . $file;
            if (is_file($path)) {
                continue;
            }

            if ($filter === null || $filter->match($path)) {
                $result[] = $path;
            }

            if ($recursive) {
                $result = array_merge($result, self::findDirectories($path, $options));
            }
        }
        closedir($handle);

        return $result;
    }

    /**
     * Returns the files found under the specified directory and subdirectories.
     *
     * @param string $directory The directory under which the files will be looked for.
     * @param array $options Options for file searching. Valid options are:
     *
     * - filter: a filter to apply while looked files. It should be an instance of {@see PathMatcherInterface}.
     * - recursive: boolean, whether the files under the subdirectories should also be looked for. Defaults to `true`.
     *
     * @psalm-param array{
     *   filter?: \Yiisoft\Files\PathMatcher\PathMatcherInterface|mixed,
     *   recursive?: bool,
     * } $options
     *
     * @throws InvalidArgumentException If the directory is invalid.
     *
     * @return string[] Files found under the directory specified, in no particular order.
     * Ordering depends on the files system used.
     */
    public static function findFiles(string $directory, array $options = []): array
    {
        $filter = self::getFilter($options);
        $recursive = !array_key_exists('recursive', $options) || $options['recursive'];

        $directory = self::normalizePath($directory);

        $result = [];

        $handle = self::openDirectory($directory);
        while (false !== $file = readdir($handle)) {
            if ($file === '.' || $file === '..') {
                continue;
            }

            $path = $directory . '/' . $file;

            if (is_file($path)) {
                if ($filter === null || $filter->match($path)) {
                    $result[] = $path;
                }
                continue;
            }

            if ($recursive) {
                $result = array_merge($result, self::findFiles($path, $options));
            }
        }
        closedir($handle);

        return $result;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Yiisoft\Files;
6
7		use FilesystemIterator;
8		use InvalidArgumentException;
9		use LogicException;
10		use RecursiveDirectoryIterator;
11		use RecursiveIteratorIterator;
12		use RuntimeException;
13		use Yiisoft\Files\PathMatcher\PathMatcherInterface;
14
15		use function array_key_exists;
16		use function get_class;
17		use function gettype;
18		use function is_object;
19
20		/**
21		* FileHelper provides useful methods to manage files and directories.
22		*/
23		final class FileHelper
24		{
25		/**
26		* Opens a file or URL.
27		*
28		* This method is similar to the PHP {@see fopen()} function, except that it suppresses the {@see E_WARNING}
29		* level error and throws the {@see \RuntimeException} exception if it can't open the file.
30		*
31		* @param string $filename The file or URL.
32		* @param string $mode The type of access.
33		* @param bool $useIncludePath Whether to search for a file in the include path.
34		* @param resource\|null $context The stream context or `null`.
35		*
36		* @throws RuntimeException If the file could not be opened.
37		*
38		* @return resource The file pointer resource.
39		*
40		* @psalm-suppress PossiblyNullArgument
41		*/
42	3	public static function openFile(string $filename, string $mode, bool $useIncludePath = false, $context = null)
43		{
44		/** @psalm-suppress InvalidArgument, MixedArgumentTypeCoercion */
45	3	set_error_handler(static function (int $errorNumber, string $errorString) use ($filename): bool {
46	1	throw new RuntimeException(
47	1	sprintf('Failed to open a file "%s". ', $filename) . $errorString,
48		$errorNumber
49		);
50		});
51
52	3	$filePointer = fopen($filename, $mode, $useIncludePath, $context);
53
54	2	restore_error_handler();
55
56	2	if ($filePointer === false) {
57		throw new RuntimeException(sprintf('Failed to open a file "%s". ', $filename));
58		}
59
60	2	return $filePointer;
61		}
62
63		/**
64		* Ensures directory exists and has specific permissions.
65		*
66		* This method is similar to the PHP {@see mkdir()} function with some differences:
67		*
68		* - It does not fail if directory already exists.
69		* - It uses {@see chmod()} to set the permission of the created directory in order to avoid the impact
70		* of the `umask` setting.
71		* - It throws exceptions instead of returning false and emitting {@see E_WARNING}.
72		*
73		* @param string $path Path of the directory to be created.
74		* @param int $mode The permission to be set for the created directory.
75		*/
76	56	public static function ensureDirectory(string $path, int $mode = 0775): void
77		{
78	56	$path = self::normalizePath($path);
79
80	56	if (!is_dir($path)) {
81	56	set_error_handler(static function (int $errorNumber, string $errorString) use ($path): bool {
82		// Handle race condition.
83		// See https://github.com/kalessil/phpinspectionsea/blob/master/docs/probable-bugs.md#mkdir-race-condition
84	1	if (!is_dir($path)) {
85	1	throw new RuntimeException(
86	1	sprintf('Failed to create directory "%s". ', $path) . $errorString,
87		$errorNumber
88		);
89		}
90		return true;
91		});
92
93	56	mkdir($path, $mode, true);
94
95	56	restore_error_handler();
96		}
97
98	56	if (!chmod($path, $mode)) {
99		throw new RuntimeException(sprintf('Unable to set mode "%s" for "%s".', $mode, $path));
100		}
101		}
102
103		/**
104		* Normalizes a file/directory path.
105		*
106		* The normalization does the following work:
107		*
108		* - Convert all directory separators into `/` (e.g. "\a/b\c" becomes "/a/b/c")
109		* - Remove trailing directory separators (e.g. "/a/b/c/" becomes "/a/b/c")
110		* - Turn multiple consecutive slashes into a single one (e.g. "/a///b/c" becomes "/a/b/c")
111		* - Remove ".." and "." based on their meanings (e.g. "/a/./b/../c" becomes "/a/c")
112		*
113		* @param string $path The file/directory path to be normalized.
114		*
115		* @return string The normalized file/directory path.
116		*/
117	56	public static function normalizePath(string $path): string
118		{
119	56	$isWindowsShare = strpos($path, '\\\\') === 0;
120
121	56	if ($isWindowsShare) {
122	1	$path = substr($path, 2);
123		}
124
125	56	$path = rtrim(strtr($path, '/\\', '//'), '/');
126
127	56	if (strpos('/' . $path, '/.') === false && strpos($path, '//') === false) {
128	56	return $isWindowsShare ? "\\\\$path" : $path;
129		}
130
131	1	$parts = [];
132
133	1	foreach (explode('/', $path) as $part) {
134	1	if ($part === '..' && !empty($parts) && end($parts) !== '..') {
135	1	array_pop($parts);
136	1	} elseif ($part !== '.' && ($part !== '' \|\| empty($parts))) {
137	1	$parts[] = $part;
138		}
139		}
140
141	1	$path = implode('/', $parts);
142
143	1	if ($isWindowsShare) {
144	1	$path = '\\\\' . $path;
145		}
146
147	1	return $path === '' ? '.' : $path;
148		}
149
150		/**
151		* Removes a directory (and all its content) recursively. Does nothing if directory does not exists.
152		*
153		* @param string $directory The directory to be deleted recursively.
154		* @param array $options Options for directory remove ({@see clearDirectory()}).
155		*
156		* @throw RuntimeException when unable to remove directory.
157		*/
158	56	public static function removeDirectory(string $directory, array $options = []): void
159		{
160	56	if (!file_exists($directory)) {
161	1	return;
162		}
163
164	56	self::clearDirectory($directory, $options);
165
166	56	if (is_link($directory)) {
167	3	self::unlink($directory);
168		} else {
169	56	set_error_handler(static function (int $errorNumber, string $errorString) use ($directory): bool {
170		throw new RuntimeException(
171		sprintf('Failed to remove directory "%s". ', $directory) . $errorString,
172		$errorNumber
173		);
174		});
175
176	56	rmdir($directory);
177
178	56	restore_error_handler();
179		}
180		}
181
182		/**
183		* Clear all directory content.
184		*
185		* @param string $directory The directory to be cleared.
186		* @param array $options Options for directory clear . Valid options are:
187		*
188		* - traverseSymlinks: boolean, whether symlinks to the directories should be traversed too.
189		* Defaults to `false`, meaning the content of the symlinked directory would not be deleted.
190		* Only symlink would be removed in that default case.
191		*
192		* @throws RuntimeException if unable to open directory.
193		*/
194	56	public static function clearDirectory(string $directory, array $options = []): void
195		{
196	56	$handle = self::openDirectory($directory);
197	56	if (!empty($options['traverseSymlinks']) \|\| !is_link($directory)) {
198	56	while (($file = readdir($handle)) !== false) {
199	56	if ($file === '.' \|\| $file === '..') {
200	56	continue;
201		}
202	38	$path = $directory . '/' . $file;
203	38	if (is_dir($path)) {
204	37	self::removeDirectory($path, $options);
205		} else {
206	28	self::unlink($path);
207		}
208		}
209	56	closedir($handle);
210		}
211		}
212
213		/**
214		* Removes a file or symlink in a cross-platform way.
215		*
216		* @param string $path Path to unlink.
217		*/
218	32	public static function unlink(string $path): void
219		{
220		/** @psalm-suppress InvalidArgument, MixedArgumentTypeCoercion */
221	32	set_error_handler(static function (int $errorNumber, string $errorString) use ($path): bool {
222	1	throw new RuntimeException(
223	1	sprintf('Failed to unlink "%s". ', $path) . $errorString,
224		$errorNumber
225		);
226		});
227
228	32	$isWindows = DIRECTORY_SEPARATOR === '\\';
229
230	32	if ($isWindows) {
231		if (is_link($path)) {
232		try {
233		unlink($path);
234		} catch (RuntimeException $e) {
235		rmdir($path);
236		}
237		} else {
238		if (file_exists($path) && !is_writable($path)) {
239		chmod($path, 0777);
240		}
241		unlink($path);
242		}
243		} else {
244	32	unlink($path);
245		}
246	31	restore_error_handler();
247		}
248
249		/**
250		* Tells whether the path is a empty directory.
251		*
252		* @param string $path Path to check for being an empty directory.
253		*
254		* @return bool
255		*/
256	1	public static function isEmptyDirectory(string $path): bool
257		{
258	1	if (!is_dir($path)) {
259	1	return false;
260		}
261
262	1	return !(new FilesystemIterator($path))->valid();
263		}
264
265		/**
266		* Copies a whole directory as another one.
267		*
268		* The files and sub-directories will also be copied over.
269		*
270		* @param string $source The source directory.
271		* @param string $destination The destination directory.
272		* @param array $options Options for directory copy. Valid options are:
273		*
274		* - dirMode: integer, the permission to be set for newly copied directories. Defaults to 0775.
275		* - fileMode: integer, the permission to be set for newly copied files. Defaults to the current environment
276		* setting.
277		* - filter: a filter to apply while copying files. It should be an instance of {@see PathMatcherInterface}.
278		* - recursive: boolean, whether the files under the subdirectories should also be copied. Defaults to true.
279		* - beforeCopy: callback, a PHP callback that is called before copying each sub-directory or file. If the callback
280		* returns false, the copy operation for the sub-directory or file will be cancelled. The signature of the
281		* callback should be: `function ($from, $to)`, where `$from` is the sub-directory or file to be copied from,
282		* while `$to` is the copy target.
283		* - afterCopy: callback, a PHP callback that is called after each sub-directory or file is successfully copied.
284		* The signature of the callback should be: `function ($from, $to)`, where `$from` is the sub-directory or file
285		* copied from, while `$to` is the copy target.
286		* - copyEmptyDirectories: boolean, whether to copy empty directories. Set this to false to avoid creating
287		* directories that do not contain files. This affects directories that do not contain files initially as well as
288		* directories that do not contain files at the target destination because files have been filtered via `only` or
289		* `except`. Defaults to true.
290		*
291		* @throws RuntimeException if unable to open directory
292		*
293		* @psalm-param array{
294		* dirMode?: int,
295		* fileMode?: int,
296		* filter?: \Yiisoft\Files\PathMatcher\PathMatcherInterface\|mixed,
297		* recursive?: bool,
298		* beforeCopy?: callable,
299		* afterCopy?: callable,
300		* copyEmptyDirectories?: bool,
301		* } $options
302		*/
303	12	public static function copyDirectory(string $source, string $destination, array $options = []): void
304		{
305	12	$filter = self::getFilter($options);
306	12	$afterCopy = $options['afterCopy'] ?? null;
307	12	$beforeCopy = $options['beforeCopy'] ?? null;
308	12	$recursive = !array_key_exists('recursive', $options) \|\| $options['recursive'];
309
310	12	if (!isset($options['dirMode'])) {
311	11	$options['dirMode'] = 0755;
312		}
313
314	12	$source = self::normalizePath($source);
315	12	$destination = self::normalizePath($destination);
316	12	$copyEmptyDirectories = !array_key_exists('copyEmptyDirectories', $options) \|\| $options['copyEmptyDirectories'];
317
318	12	self::assertNotSelfDirectory($source, $destination);
319
320	10	if (!is_dir($destination) && $copyEmptyDirectories) {
321	6	self::ensureDirectory($destination, $options['dirMode']);
322		}
323
324	10	if ($beforeCopy && $beforeCopy($source, $destination) === false) {
325		return;
326		}
327
328	10	$handle = self::openDirectory($source);
329
330	9	if (!array_key_exists('basePath', $options)) {
331	9	$options['basePath'] = realpath($source);
332		}
333
334	9	while (($file = readdir($handle)) !== false) {
335	9	if ($file === '.' \|\| $file === '..') {
336	9	continue;
337		}
338
339	7	$from = $source . '/' . $file;
340	7	$to = $destination . '/' . $file;
341
342	7	if ($filter === null \|\| $filter->match($from)) {
343	7	if (is_file($from)) {
344	7	self::copyFile($from, $to, $options);
345	6	} elseif ($recursive) {
346	5	self::copyDirectory($from, $to, $options);
347		}
348		}
349		}
350
351	9	closedir($handle);
352
353	9	if ($afterCopy) {
354		$afterCopy($source, $destination);
355		}
356		}
357
358		/**
359		* Copies files with some options.
360		*
361		* - dirMode: integer or null, the permission to be set for newly copied directories. Defaults to null.
362		* When null - directory will be not created
363		* - fileMode: integer, the permission to be set for newly copied files. Defaults to the current environment
364		* setting.
365		* - beforeCopy: callback, a PHP callback that is called before copying file. If the callback
366		* returns false, the copy operation for file will be cancelled. The signature of the
367		* callback should be: `function ($from, $to)`, where `$from` is the file to be copied from,
368		* while `$to` is the copy target.
369		* - afterCopy: callback, a PHP callback that is called after file if successfully copied.
370		* The signature of the callback should be: `function ($from, $to)`, where `$from` is the file
371		* copied from, while `$to` is the copy target.
372		*
373		* @param string $source The source file
374		* @param string $destination The destination filename
375		* @param array $options
376		*
377		* @psalm-param array{
378		* dirMode?: int,
379		* fileMode?: int,
380		* beforeCopy?: callable,
381		* afterCopy?: callable,
382		* } $options
383		*
384		* @return bool
385		*/
386	7	public static function copyFile(string $source, string $destination, array $options = []): bool
387		{
388	7	if (!is_file($source)) {
389		return false;
390		}
391
392	7	$dirname = dirname($destination);
393	7	$dirMode = $options['dirMode'] ?? null;
394	7	$fileMode = $options['fileMode'] ?? null;
395	7	$afterCopy = $options['afterCopy'] ?? null;
396	7	$beforeCopy = $options['beforeCopy'] ?? null;
397
398	7	if ($beforeCopy && $beforeCopy($source, $destination) === false) {
399		return false;
400		}
401
402	7	if (!is_dir($dirname)) {
403	2	if ($dirMode === null) {
404		return false;
405		}
406
407	2	self::ensureDirectory($dirname, $dirMode);
408		}
409
410	7	if (copy($source, $destination)) {
411	7	if ($fileMode !== null) {
412	1	chmod($destination, $fileMode);
413		}
414
415	7	if ($afterCopy) {
416		$afterCopy($source, $destination);
417		}
418
419	7	return true;
420		}
421
422		return false;
423		}
424
425	24	private static function getFilter(array $options): ?PathMatcherInterface
426		{
427	24	if (!array_key_exists('filter', $options)) {
428	16	return null;
429		}
430
431	8	if (!$options['filter'] instanceof PathMatcherInterface) {
432	2	$type = is_object($options['filter']) ? get_class($options['filter']) : gettype($options['filter']);
433	2	throw new InvalidArgumentException(sprintf('Filter should be an instance of PathMatcherInterface, %s given.', $type));
434		}
435
436	6	return $options['filter'];
437		}
438
439		/**
440		* Assert that destination is not within the source directory.
441		*
442		* @param string $source Path to source.
443		* @param string $destination Path to destination.
444		*
445		* @throws InvalidArgumentException
446		*/
447	12	private static function assertNotSelfDirectory(string $source, string $destination): void
448		{
449	12	if ($source === $destination \|\| strpos($destination, $source . '/') === 0) {
450	2	throw new InvalidArgumentException('Trying to copy a directory to itself or a subdirectory.');
451		}
452		}
453
454		/**
455		* Open directory handle.
456		*
457		* @param string $directory Path to directory.
458		*
459		* @throws RuntimeException if unable to open directory.
460		* @throws InvalidArgumentException if argument is not a directory.
461		*
462		* @return resource
463		*/
464	56	private static function openDirectory(string $directory)
465		{
466	56	if (!file_exists($directory)) {
467	3	throw new InvalidArgumentException("\"$directory\" does not exist.");
468		}
469
470	56	if (!is_dir($directory)) {
471	1	throw new InvalidArgumentException("\"$directory\" is not a directory.");
472		}
473
474		/** @psalm-suppress InvalidArgument, MixedArgumentTypeCoercion */
475	56	set_error_handler(static function (int $errorNumber, string $errorString) use ($directory): bool {
476		throw new RuntimeException(
477		sprintf('Unable to open directory "%s". ', $directory) . $errorString,
478		$errorNumber
479		);
480		});
481
482	56	$handle = opendir($directory);
483
484	56	if ($handle === false) {
485		throw new RuntimeException(sprintf('Unable to open directory "%s". ', $directory));
486		}
487
488	56	restore_error_handler();
489
490	56	return $handle;
491		}
492
493		/**
494		* Returns the last modification time for the given paths.
495		*
496		* If the path is a directory, any nested files/directories will be checked as well.
497		*
498		* @param string ...$paths The directories to be checked.
499		*
500		* @throws LogicException If path is not set.
501		*
502		* @return int Unix timestamp representing the last modification time.
503		*/
504	2	public static function lastModifiedTime(string ...$paths): int
505		{
506	2	if (empty($paths)) {
507	1	throw new LogicException('Path is required.');
508		}
509
510	1	$times = [];
511
512	1	foreach ($paths as $path) {
513	1	$times[] = self::modifiedTime($path);
514
515	1	if (is_file($path)) {
516	1	continue;
517		}
518
519		/** @var iterable<string, string> $iterator */
520	1	$iterator = new RecursiveIteratorIterator(
521	1	new RecursiveDirectoryIterator($path, FilesystemIterator::SKIP_DOTS),
522		RecursiveIteratorIterator::SELF_FIRST
523		);
524
525	1	foreach ($iterator as $p => $_info) {
526	1	$times[] = self::modifiedTime($p);
527		}
528		}
529
530		/** @psalm-suppress ArgumentTypeCoercion */
531	1	return max($times);
532		}
533
534	1	private static function modifiedTime(string $path): int
535		{
536	1	return (int)filemtime($path);
537		}
538
539		/**
540		* Returns the directories found under the specified directory and subdirectories.
541		*
542		* @param string $directory The directory under which the files will be looked for.
543		* @param array $options Options for directory searching. Valid options are:
544		*
545		* - filter: a filter to apply while looked directories. It should be an instance of {@see PathMatcherInterface}.
546		* - recursive: boolean, whether the subdirectories should also be looked for. Defaults to `true`.
547		*
548		* @psalm-param array{
549		* filter?: \Yiisoft\Files\PathMatcher\PathMatcherInterface\|mixed,
550		* recursive?: bool,
551		* } $options
552		*
553		* @throws InvalidArgumentException If the directory is invalid.
554		*
555		* @return string[] Directories found under the directory specified, in no particular order.
556		* Ordering depends on the file system used.
557		*/
558	6	public static function findDirectories(string $directory, array $options = []): array
559		{
560	6	$filter = self::getFilter($options);
561	5	$recursive = !array_key_exists('recursive', $options) \|\| $options['recursive'];
562	5	$directory = self::normalizePath($directory);
563
564	5	$result = [];
565
566	5	$handle = self::openDirectory($directory);
567	4	while (false !== $file = readdir($handle)) {
568	4	if ($file === '.' \|\| $file === '..') {
569	4	continue;
570		}
571
572	4	$path = $directory . '/' . $file;
573	4	if (is_file($path)) {
574	3	continue;
575		}
576
577	4	if ($filter === null \|\| $filter->match($path)) {
578	4	$result[] = $path;
579		}
580
581	4	if ($recursive) {
582	3	$result = array_merge($result, self::findDirectories($path, $options));
583		}
584		}
585	4	closedir($handle);
586
587	4	return $result;
588		}
589
590		/**
591		* Returns the files found under the specified directory and subdirectories.
592		*
593		* @param string $directory The directory under which the files will be looked for.
594		* @param array $options Options for file searching. Valid options are:
595		*
596		* - filter: a filter to apply while looked files. It should be an instance of {@see PathMatcherInterface}.
597		* - recursive: boolean, whether the files under the subdirectories should also be looked for. Defaults to `true`.
598		*
599		* @psalm-param array{
600		* filter?: \Yiisoft\Files\PathMatcher\PathMatcherInterface\|mixed,
601		* recursive?: bool,
602		* } $options
603		*
604		* @throws InvalidArgumentException If the directory is invalid.
605		*
606		* @return string[] Files found under the directory specified, in no particular order.
607		* Ordering depends on the files system used.
608		*/
609	6	public static function findFiles(string $directory, array $options = []): array
610		{
611	6	$filter = self::getFilter($options);
612	5	$recursive = !array_key_exists('recursive', $options) \|\| $options['recursive'];
613
614	5	$directory = self::normalizePath($directory);
615
616	5	$result = [];
617
618	5	$handle = self::openDirectory($directory);
619	4	while (false !== $file = readdir($handle)) {
620	4	if ($file === '.' \|\| $file === '..') {
621	4	continue;
622		}
623
624	4	$path = $directory . '/' . $file;
625
626	4	if (is_file($path)) {
627	4	if ($filter === null \|\| $filter->match($path)) {
628	4	$result[] = $path;
629		}
630	4	continue;
631		}
632
633	4	if ($recursive) {
634	3	$result = array_merge($result, self::findFiles($path, $options));
635		}
636		}
637	4	closedir($handle);
638
639	4	return $result;
640		}
641		}
642

yiisoft / files

Pull Request — master (#59)

FileHelper::copyDirectory() F

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