phpmyadmin working

1 files changed, 769 insertions, 0 deletions

diff --git a/srcs/phpmyadmin/vendor/symfony/filesystem/Filesystem.php b/srcs/phpmyadmin/vendor/symfony/filesystem/Filesystem.php
new file mode 100644
index 0000000..f44a5d3
--- /dev/null
+++ b/srcs/phpmyadmin/vendor/symfony/filesystem/Filesystem.php
@@ -0,0 +1,769 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Filesystem;
+
+use Symfony\Component\Filesystem\Exception\FileNotFoundException;
+use Symfony\Component\Filesystem\Exception\InvalidArgumentException;
+use Symfony\Component\Filesystem\Exception\IOException;
+
+/**
+ * Provides basic utility to manipulate the file system.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Filesystem
+{
+    private static $lastError;
+
+    /**
+     * Copies a file.
+     *
+     * If the target file is older than the origin file, it's always overwritten.
+     * If the target file is newer, it is overwritten only when the
+     * $overwriteNewerFiles option is set to true.
+     *
+     * @param string $originFile          The original filename
+     * @param string $targetFile          The target filename
+     * @param bool   $overwriteNewerFiles If true, target files newer than origin files are overwritten
+     *
+     * @throws FileNotFoundException When originFile doesn't exist
+     * @throws IOException           When copy fails
+     */
+    public function copy($originFile, $targetFile, $overwriteNewerFiles = false)
+    {
+        $originIsLocal = stream_is_local($originFile) || 0 === stripos($originFile, 'file://');
+        if ($originIsLocal && !is_file($originFile)) {
+            throw new FileNotFoundException(sprintf('Failed to copy "%s" because file does not exist.', $originFile), 0, null, $originFile);
+        }
+
+        $this->mkdir(\dirname($targetFile));
+
+        $doCopy = true;
+        if (!$overwriteNewerFiles && null === parse_url($originFile, PHP_URL_HOST) && is_file($targetFile)) {
+            $doCopy = filemtime($originFile) > filemtime($targetFile);
+        }
+
+        if ($doCopy) {
+            // https://bugs.php.net/64634
+            if (false === $source = @fopen($originFile, 'r')) {
+                throw new IOException(sprintf('Failed to copy "%s" to "%s" because source file could not be opened for reading.', $originFile, $targetFile), 0, null, $originFile);
+            }
+
+            // Stream context created to allow files overwrite when using FTP stream wrapper - disabled by default
+            if (false === $target = @fopen($targetFile, 'w', null, stream_context_create(['ftp' => ['overwrite' => true]]))) {
+                throw new IOException(sprintf('Failed to copy "%s" to "%s" because target file could not be opened for writing.', $originFile, $targetFile), 0, null, $originFile);
+            }
+
+            $bytesCopied = stream_copy_to_stream($source, $target);
+            fclose($source);
+            fclose($target);
+            unset($source, $target);
+
+            if (!is_file($targetFile)) {
+                throw new IOException(sprintf('Failed to copy "%s" to "%s".', $originFile, $targetFile), 0, null, $originFile);
+            }
+
+            if ($originIsLocal) {
+                // Like `cp`, preserve executable permission bits
+                @chmod($targetFile, fileperms($targetFile) | (fileperms($originFile) & 0111));
+
+                if ($bytesCopied !== $bytesOrigin = filesize($originFile)) {
+                    throw new IOException(sprintf('Failed to copy the whole content of "%s" to "%s" (%g of %g bytes copied).', $originFile, $targetFile, $bytesCopied, $bytesOrigin), 0, null, $originFile);
+                }
+            }
+        }
+    }
+
+    /**
+     * Creates a directory recursively.
+     *
+     * @param string|iterable $dirs The directory path
+     * @param int             $mode The directory mode
+     *
+     * @throws IOException On any directory creation failure
+     */
+    public function mkdir($dirs, $mode = 0777)
+    {
+        foreach ($this->toIterable($dirs) as $dir) {
+            if (is_dir($dir)) {
+                continue;
+            }
+
+            if (!self::box('mkdir', $dir, $mode, true)) {
+                if (!is_dir($dir)) {
+                    // The directory was not created by a concurrent process. Let's throw an exception with a developer friendly error message if we have one
+                    if (self::$lastError) {
+                        throw new IOException(sprintf('Failed to create "%s": %s.', $dir, self::$lastError), 0, null, $dir);
+                    }
+                    throw new IOException(sprintf('Failed to create "%s"', $dir), 0, null, $dir);
+                }
+            }
+        }
+    }
+
+    /**
+     * Checks the existence of files or directories.
+     *
+     * @param string|iterable $files A filename, an array of files, or a \Traversable instance to check
+     *
+     * @return bool true if the file exists, false otherwise
+     */
+    public function exists($files)
+    {
+        $maxPathLength = PHP_MAXPATHLEN - 2;
+
+        foreach ($this->toIterable($files) as $file) {
+            if (\strlen($file) > $maxPathLength) {
+                throw new IOException(sprintf('Could not check if file exist because path length exceeds %d characters.', $maxPathLength), 0, null, $file);
+            }
+
+            if (!file_exists($file)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Sets access and modification time of file.
+     *
+     * @param string|iterable $files A filename, an array of files, or a \Traversable instance to create
+     * @param int|null        $time  The touch time as a Unix timestamp, if not supplied the current system time is used
+     * @param int|null        $atime The access time as a Unix timestamp, if not supplied the current system time is used
+     *
+     * @throws IOException When touch fails
+     */
+    public function touch($files, $time = null, $atime = null)
+    {
+        foreach ($this->toIterable($files) as $file) {
+            $touch = $time ? @touch($file, $time, $atime) : @touch($file);
+            if (true !== $touch) {
+                throw new IOException(sprintf('Failed to touch "%s".', $file), 0, null, $file);
+            }
+        }
+    }
+
+    /**
+     * Removes files or directories.
+     *
+     * @param string|iterable $files A filename, an array of files, or a \Traversable instance to remove
+     *
+     * @throws IOException When removal fails
+     */
+    public function remove($files)
+    {
+        if ($files instanceof \Traversable) {
+            $files = iterator_to_array($files, false);
+        } elseif (!\is_array($files)) {
+            $files = [$files];
+        }
+        $files = array_reverse($files);
+        foreach ($files as $file) {
+            if (is_link($file)) {
+                // See https://bugs.php.net/52176
+                if (!(self::box('unlink', $file) || '\\' !== \DIRECTORY_SEPARATOR || self::box('rmdir', $file)) && file_exists($file)) {
+                    throw new IOException(sprintf('Failed to remove symlink "%s": %s.', $file, self::$lastError));
+                }
+            } elseif (is_dir($file)) {
+                $this->remove(new \FilesystemIterator($file, \FilesystemIterator::CURRENT_AS_PATHNAME | \FilesystemIterator::SKIP_DOTS));
+
+                if (!self::box('rmdir', $file) && file_exists($file)) {
+                    throw new IOException(sprintf('Failed to remove directory "%s": %s.', $file, self::$lastError));
+                }
+            } elseif (!self::box('unlink', $file) && file_exists($file)) {
+                throw new IOException(sprintf('Failed to remove file "%s": %s.', $file, self::$lastError));
+            }
+        }
+    }
+
+    /**
+     * Change mode for an array of files or directories.
+     *
+     * @param string|iterable $files     A filename, an array of files, or a \Traversable instance to change mode
+     * @param int             $mode      The new mode (octal)
+     * @param int             $umask     The mode mask (octal)
+     * @param bool            $recursive Whether change the mod recursively or not
+     *
+     * @throws IOException When the change fails
+     */
+    public function chmod($files, $mode, $umask = 0000, $recursive = false)
+    {
+        foreach ($this->toIterable($files) as $file) {
+            if (true !== @chmod($file, $mode & ~$umask)) {
+                throw new IOException(sprintf('Failed to chmod file "%s".', $file), 0, null, $file);
+            }
+            if ($recursive && is_dir($file) && !is_link($file)) {
+                $this->chmod(new \FilesystemIterator($file), $mode, $umask, true);
+            }
+        }
+    }
+
+    /**
+     * Change the owner of an array of files or directories.
+     *
+     * @param string|iterable $files     A filename, an array of files, or a \Traversable instance to change owner
+     * @param string          $user      The new owner user name
+     * @param bool            $recursive Whether change the owner recursively or not
+     *
+     * @throws IOException When the change fails
+     */
+    public function chown($files, $user, $recursive = false)
+    {
+        foreach ($this->toIterable($files) as $file) {
+            if ($recursive && is_dir($file) && !is_link($file)) {
+                $this->chown(new \FilesystemIterator($file), $user, true);
+            }
+            if (is_link($file) && \function_exists('lchown')) {
+                if (true !== @lchown($file, $user)) {
+                    throw new IOException(sprintf('Failed to chown file "%s".', $file), 0, null, $file);
+                }
+            } else {
+                if (true !== @chown($file, $user)) {
+                    throw new IOException(sprintf('Failed to chown file "%s".', $file), 0, null, $file);
+                }
+            }
+        }
+    }
+
+    /**
+     * Change the group of an array of files or directories.
+     *
+     * @param string|iterable $files     A filename, an array of files, or a \Traversable instance to change group
+     * @param string          $group     The group name
+     * @param bool            $recursive Whether change the group recursively or not
+     *
+     * @throws IOException When the change fails
+     */
+    public function chgrp($files, $group, $recursive = false)
+    {
+        foreach ($this->toIterable($files) as $file) {
+            if ($recursive && is_dir($file) && !is_link($file)) {
+                $this->chgrp(new \FilesystemIterator($file), $group, true);
+            }
+            if (is_link($file) && \function_exists('lchgrp')) {
+                if (true !== @lchgrp($file, $group)) {
+                    throw new IOException(sprintf('Failed to chgrp file "%s".', $file), 0, null, $file);
+                }
+            } else {
+                if (true !== @chgrp($file, $group)) {
+                    throw new IOException(sprintf('Failed to chgrp file "%s".', $file), 0, null, $file);
+                }
+            }
+        }
+    }
+
+    /**
+     * Renames a file or a directory.
+     *
+     * @param string $origin    The origin filename or directory
+     * @param string $target    The new filename or directory
+     * @param bool   $overwrite Whether to overwrite the target if it already exists
+     *
+     * @throws IOException When target file or directory already exists
+     * @throws IOException When origin cannot be renamed
+     */
+    public function rename($origin, $target, $overwrite = false)
+    {
+        // we check that target does not exist
+        if (!$overwrite && $this->isReadable($target)) {
+            throw new IOException(sprintf('Cannot rename because the target "%s" already exists.', $target), 0, null, $target);
+        }
+
+        if (true !== @rename($origin, $target)) {
+            if (is_dir($origin)) {
+                // See https://bugs.php.net/54097 & https://php.net/rename#113943
+                $this->mirror($origin, $target, null, ['override' => $overwrite, 'delete' => $overwrite]);
+                $this->remove($origin);
+
+                return;
+            }
+            throw new IOException(sprintf('Cannot rename "%s" to "%s".', $origin, $target), 0, null, $target);
+        }
+    }
+
+    /**
+     * Tells whether a file exists and is readable.
+     *
+     * @throws IOException When windows path is longer than 258 characters
+     */
+    private function isReadable(string $filename): bool
+    {
+        $maxPathLength = PHP_MAXPATHLEN - 2;
+
+        if (\strlen($filename) > $maxPathLength) {
+            throw new IOException(sprintf('Could not check if file is readable because path length exceeds %d characters.', $maxPathLength), 0, null, $filename);
+        }
+
+        return is_readable($filename);
+    }
+
+    /**
+     * Creates a symbolic link or copy a directory.
+     *
+     * @param string $originDir     The origin directory path
+     * @param string $targetDir     The symbolic link name
+     * @param bool   $copyOnWindows Whether to copy files if on Windows
+     *
+     * @throws IOException When symlink fails
+     */
+    public function symlink($originDir, $targetDir, $copyOnWindows = false)
+    {
+        if ('\\' === \DIRECTORY_SEPARATOR) {
+            $originDir = strtr($originDir, '/', '\\');
+            $targetDir = strtr($targetDir, '/', '\\');
+
+            if ($copyOnWindows) {
+                $this->mirror($originDir, $targetDir);
+
+                return;
+            }
+        }
+
+        $this->mkdir(\dirname($targetDir));
+
+        if (is_link($targetDir)) {
+            if (readlink($targetDir) === $originDir) {
+                return;
+            }
+            $this->remove($targetDir);
+        }
+
+        if (!self::box('symlink', $originDir, $targetDir)) {
+            $this->linkException($originDir, $targetDir, 'symbolic');
+        }
+    }
+
+    /**
+     * Creates a hard link, or several hard links to a file.
+     *
+     * @param string          $originFile  The original file
+     * @param string|string[] $targetFiles The target file(s)
+     *
+     * @throws FileNotFoundException When original file is missing or not a file
+     * @throws IOException           When link fails, including if link already exists
+     */
+    public function hardlink($originFile, $targetFiles)
+    {
+        if (!$this->exists($originFile)) {
+            throw new FileNotFoundException(null, 0, null, $originFile);
+        }
+
+        if (!is_file($originFile)) {
+            throw new FileNotFoundException(sprintf('Origin file "%s" is not a file', $originFile));
+        }
+
+        foreach ($this->toIterable($targetFiles) as $targetFile) {
+            if (is_file($targetFile)) {
+                if (fileinode($originFile) === fileinode($targetFile)) {
+                    continue;
+                }
+                $this->remove($targetFile);
+            }
+
+            if (!self::box('link', $originFile, $targetFile)) {
+                $this->linkException($originFile, $targetFile, 'hard');
+            }
+        }
+    }
+
+    /**
+     * @param string $linkType Name of the link type, typically 'symbolic' or 'hard'
+     */
+    private function linkException(string $origin, string $target, string $linkType)
+    {
+        if (self::$lastError) {
+            if ('\\' === \DIRECTORY_SEPARATOR && false !== strpos(self::$lastError, 'error code(1314)')) {
+                throw new IOException(sprintf('Unable to create %s link due to error code 1314: \'A required privilege is not held by the client\'. Do you have the required Administrator-rights?', $linkType), 0, null, $target);
+            }
+        }
+        throw new IOException(sprintf('Failed to create %s link from "%s" to "%s".', $linkType, $origin, $target), 0, null, $target);
+    }
+
+    /**
+     * Resolves links in paths.
+     *
+     * With $canonicalize = false (default)
+     *      - if $path does not exist or is not a link, returns null
+     *      - if $path is a link, returns the next direct target of the link without considering the existence of the target
+     *
+     * With $canonicalize = true
+     *      - if $path does not exist, returns null
+     *      - if $path exists, returns its absolute fully resolved final version
+     *
+     * @param string $path         A filesystem path
+     * @param bool   $canonicalize Whether or not to return a canonicalized path
+     *
+     * @return string|null
+     */
+    public function readlink($path, $canonicalize = false)
+    {
+        if (!$canonicalize && !is_link($path)) {
+            return null;
+        }
+
+        if ($canonicalize) {
+            if (!$this->exists($path)) {
+                return null;
+            }
+
+            if ('\\' === \DIRECTORY_SEPARATOR) {
+                $path = readlink($path);
+            }
+
+            return realpath($path);
+        }
+
+        if ('\\' === \DIRECTORY_SEPARATOR) {
+            return realpath($path);
+        }
+
+        return readlink($path);
+    }
+
+    /**
+     * Given an existing path, convert it to a path relative to a given starting path.
+     *
+     * @param string $endPath   Absolute path of target
+     * @param string $startPath Absolute path where traversal begins
+     *
+     * @return string Path of target relative to starting path
+     */
+    public function makePathRelative($endPath, $startPath)
+    {
+        if (!$this->isAbsolutePath($startPath)) {
+            throw new InvalidArgumentException(sprintf('The start path "%s" is not absolute.', $startPath));
+        }
+
+        if (!$this->isAbsolutePath($endPath)) {
+            throw new InvalidArgumentException(sprintf('The end path "%s" is not absolute.', $endPath));
+        }
+
+        // Normalize separators on Windows
+        if ('\\' === \DIRECTORY_SEPARATOR) {
+            $endPath = str_replace('\\', '/', $endPath);
+            $startPath = str_replace('\\', '/', $startPath);
+        }
+
+        $stripDriveLetter = function ($path) {
+            if (\strlen($path) > 2 && ':' === $path[1] && '/' === $path[2] && ctype_alpha($path[0])) {
+                return substr($path, 2);
+            }
+
+            return $path;
+        };
+
+        $endPath = $stripDriveLetter($endPath);
+        $startPath = $stripDriveLetter($startPath);
+
+        // Split the paths into arrays
+        $startPathArr = explode('/', trim($startPath, '/'));
+        $endPathArr = explode('/', trim($endPath, '/'));
+
+        $normalizePathArray = function ($pathSegments) {
+            $result = [];
+
+            foreach ($pathSegments as $segment) {
+                if ('..' === $segment) {
+                    array_pop($result);
+                } elseif ('.' !== $segment) {
+                    $result[] = $segment;
+                }
+            }
+
+            return $result;
+        };
+
+        $startPathArr = $normalizePathArray($startPathArr);
+        $endPathArr = $normalizePathArray($endPathArr);
+
+        // Find for which directory the common path stops
+        $index = 0;
+        while (isset($startPathArr[$index]) && isset($endPathArr[$index]) && $startPathArr[$index] === $endPathArr[$index]) {
+            ++$index;
+        }
+
+        // Determine how deep the start path is relative to the common path (ie, "web/bundles" = 2 levels)
+        if (1 === \count($startPathArr) && '' === $startPathArr[0]) {
+            $depth = 0;
+        } else {
+            $depth = \count($startPathArr) - $index;
+        }
+
+        // Repeated "../" for each level need to reach the common path
+        $traverser = str_repeat('../', $depth);
+
+        $endPathRemainder = implode('/', \array_slice($endPathArr, $index));
+
+        // Construct $endPath from traversing to the common path, then to the remaining $endPath
+        $relativePath = $traverser.('' !== $endPathRemainder ? $endPathRemainder.'/' : '');
+
+        return '' === $relativePath ? './' : $relativePath;
+    }
+
+    /**
+     * Mirrors a directory to another.
+     *
+     * Copies files and directories from the origin directory into the target directory. By default:
+     *
+     *  - existing files in the target directory will be overwritten, except if they are newer (see the `override` option)
+     *  - files in the target directory that do not exist in the source directory will not be deleted (see the `delete` option)
+     *
+     * @param string            $originDir The origin directory
+     * @param string            $targetDir The target directory
+     * @param \Traversable|null $iterator  Iterator that filters which files and directories to copy, if null a recursive iterator is created
+     * @param array             $options   An array of boolean options
+     *                                     Valid options are:
+     *                                     - $options['override'] If true, target files newer than origin files are overwritten (see copy(), defaults to false)
+     *                                     - $options['copy_on_windows'] Whether to copy files instead of links on Windows (see symlink(), defaults to false)
+     *                                     - $options['delete'] Whether to delete files that are not in the source directory (defaults to false)
+     *
+     * @throws IOException When file type is unknown
+     */
+    public function mirror($originDir, $targetDir, \Traversable $iterator = null, $options = [])
+    {
+        $targetDir = rtrim($targetDir, '/\\');
+        $originDir = rtrim($originDir, '/\\');
+        $originDirLen = \strlen($originDir);
+
+        if (!$this->exists($originDir)) {
+            throw new IOException(sprintf('The origin directory specified "%s" was not found.', $originDir), 0, null, $originDir);
+        }
+
+        // Iterate in destination folder to remove obsolete entries
+        if ($this->exists($targetDir) && isset($options['delete']) && $options['delete']) {
+            $deleteIterator = $iterator;
+            if (null === $deleteIterator) {
+                $flags = \FilesystemIterator::SKIP_DOTS;
+                $deleteIterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($targetDir, $flags), \RecursiveIteratorIterator::CHILD_FIRST);
+            }
+            $targetDirLen = \strlen($targetDir);
+            foreach ($deleteIterator as $file) {
+                $origin = $originDir.substr($file->getPathname(), $targetDirLen);
+                if (!$this->exists($origin)) {
+                    $this->remove($file);
+                }
+            }
+        }
+
+        $copyOnWindows = $options['copy_on_windows'] ?? false;
+
+        if (null === $iterator) {
+            $flags = $copyOnWindows ? \FilesystemIterator::SKIP_DOTS | \FilesystemIterator::FOLLOW_SYMLINKS : \FilesystemIterator::SKIP_DOTS;
+            $iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($originDir, $flags), \RecursiveIteratorIterator::SELF_FIRST);
+        }
+
+        $this->mkdir($targetDir);
+        $filesCreatedWhileMirroring = [];
+
+        foreach ($iterator as $file) {
+            if ($file->getPathname() === $targetDir || $file->getRealPath() === $targetDir || isset($filesCreatedWhileMirroring[$file->getRealPath()])) {
+                continue;
+            }
+
+            $target = $targetDir.substr($file->getPathname(), $originDirLen);
+            $filesCreatedWhileMirroring[$target] = true;
+
+            if (!$copyOnWindows && is_link($file)) {
+                $this->symlink($file->getLinkTarget(), $target);
+            } elseif (is_dir($file)) {
+                $this->mkdir($target);
+            } elseif (is_file($file)) {
+                $this->copy($file, $target, isset($options['override']) ? $options['override'] : false);
+            } else {
+                throw new IOException(sprintf('Unable to guess "%s" file type.', $file), 0, null, $file);
+            }
+        }
+    }
+
+    /**
+     * Returns whether the file path is an absolute path.
+     *
+     * @param string $file A file path
+     *
+     * @return bool
+     */
+    public function isAbsolutePath($file)
+    {
+        if (null === $file) {
+            @trigger_error(sprintf('Calling "%s()" with a null in the $file argument is deprecated since Symfony 4.4.', __METHOD__), E_USER_DEPRECATED);
+        }
+
+        return strspn($file, '/\\', 0, 1)
+            || (\strlen($file) > 3 && ctype_alpha($file[0])
+                && ':' === $file[1]
+                && strspn($file, '/\\', 2, 1)
+            )
+            || null !== parse_url($file, PHP_URL_SCHEME)
+        ;
+    }
+
+    /**
+     * Creates a temporary file with support for custom stream wrappers.
+     *
+     * @param string $dir    The directory where the temporary filename will be created
+     * @param string $prefix The prefix of the generated temporary filename
+     *                       Note: Windows uses only the first three characters of prefix
+     *
+     * @return string The new temporary filename (with path), or throw an exception on failure
+     */
+    public function tempnam($dir, $prefix)
+    {
+        list($scheme, $hierarchy) = $this->getSchemeAndHierarchy($dir);
+
+        // If no scheme or scheme is "file" or "gs" (Google Cloud) create temp file in local filesystem
+        if (null === $scheme || 'file' === $scheme || 'gs' === $scheme) {
+            $tmpFile = @tempnam($hierarchy, $prefix);
+
+            // If tempnam failed or no scheme return the filename otherwise prepend the scheme
+            if (false !== $tmpFile) {
+                if (null !== $scheme && 'gs' !== $scheme) {
+                    return $scheme.'://'.$tmpFile;
+                }
+
+                return $tmpFile;
+            }
+
+            throw new IOException('A temporary file could not be created.');
+        }
+
+        // Loop until we create a valid temp file or have reached 10 attempts
+        for ($i = 0; $i < 10; ++$i) {
+            // Create a unique filename
+            $tmpFile = $dir.'/'.$prefix.uniqid(mt_rand(), true);
+
+            // Use fopen instead of file_exists as some streams do not support stat
+            // Use mode 'x+' to atomically check existence and create to avoid a TOCTOU vulnerability
+            $handle = @fopen($tmpFile, 'x+');
+
+            // If unsuccessful restart the loop
+            if (false === $handle) {
+                continue;
+            }
+
+            // Close the file if it was successfully opened
+            @fclose($handle);
+
+            return $tmpFile;
+        }
+
+        throw new IOException('A temporary file could not be created.');
+    }
+
+    /**
+     * Atomically dumps content into a file.
+     *
+     * @param string          $filename The file to be written to
+     * @param string|resource $content  The data to write into the file
+     *
+     * @throws IOException if the file cannot be written to
+     */
+    public function dumpFile($filename, $content)
+    {
+        if (\is_array($content)) {
+            @trigger_error(sprintf('Calling "%s()" with an array in the $content argument is deprecated since Symfony 4.3.', __METHOD__), E_USER_DEPRECATED);
+        }
+
+        $dir = \dirname($filename);
+
+        if (!is_dir($dir)) {
+            $this->mkdir($dir);
+        }
+
+        if (!is_writable($dir)) {
+            throw new IOException(sprintf('Unable to write to the "%s" directory.', $dir), 0, null, $dir);
+        }
+
+        // Will create a temp file with 0600 access rights
+        // when the filesystem supports chmod.
+        $tmpFile = $this->tempnam($dir, basename($filename));
+
+        if (false === @file_put_contents($tmpFile, $content)) {
+            throw new IOException(sprintf('Failed to write file "%s".', $filename), 0, null, $filename);
+        }
+
+        @chmod($tmpFile, file_exists($filename) ? fileperms($filename) : 0666 & ~umask());
+
+        $this->rename($tmpFile, $filename, true);
+    }
+
+    /**
+     * Appends content to an existing file.
+     *
+     * @param string          $filename The file to which to append content
+     * @param string|resource $content  The content to append
+     *
+     * @throws IOException If the file is not writable
+     */
+    public function appendToFile($filename, $content)
+    {
+        if (\is_array($content)) {
+            @trigger_error(sprintf('Calling "%s()" with an array in the $content argument is deprecated since Symfony 4.3.', __METHOD__), E_USER_DEPRECATED);
+        }
+
+        $dir = \dirname($filename);
+
+        if (!is_dir($dir)) {
+            $this->mkdir($dir);
+        }
+
+        if (!is_writable($dir)) {
+            throw new IOException(sprintf('Unable to write to the "%s" directory.', $dir), 0, null, $dir);
+        }
+
+        if (false === @file_put_contents($filename, $content, FILE_APPEND)) {
+            throw new IOException(sprintf('Failed to write file "%s".', $filename), 0, null, $filename);
+        }
+    }
+
+    private function toIterable($files): iterable
+    {
+        return \is_array($files) || $files instanceof \Traversable ? $files : [$files];
+    }
+
+    /**
+     * Gets a 2-tuple of scheme (may be null) and hierarchical part of a filename (e.g. file:///tmp -> [file, tmp]).
+     */
+    private function getSchemeAndHierarchy(string $filename): array
+    {
+        $components = explode('://', $filename, 2);
+
+        return 2 === \count($components) ? [$components[0], $components[1]] : [null, $components[0]];
+    }
+
+    /**
+     * @return mixed
+     */
+    private static function box(callable $func)
+    {
+        self::$lastError = null;
+        set_error_handler(__CLASS__.'::handleError');
+        try {
+            $result = $func(...\array_slice(\func_get_args(), 1));
+            restore_error_handler();
+
+            return $result;
+        } catch (\Throwable $e) {
+        }
+        restore_error_handler();
+
+        throw $e;
+    }
+
+    /**
+     * @internal
+     */
+    public static function handleError($type, $msg)
+    {
+        self::$lastError = $msg;
+    }
+}