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    <h3>Editing: FilesystemAdapter.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

namespace Illuminate\Filesystem;

use Closure;
use Illuminate\Contracts\Filesystem\Cloud as CloudFilesystemContract;
use Illuminate\Contracts\Filesystem\FileExistsException as ContractFileExistsException;
use Illuminate\Contracts\Filesystem\FileNotFoundException as ContractFileNotFoundException;
use Illuminate\Contracts\Filesystem\Filesystem as FilesystemContract;
use Illuminate\Http\File;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Arr;
use Illuminate\Support\Collection;
use Illuminate\Support\Str;
use Illuminate\Support\Traits\Macroable;
use InvalidArgumentException;
use League\Flysystem\Adapter\Ftp;
use League\Flysystem\Adapter\Local as LocalAdapter;
use League\Flysystem\AdapterInterface;
use League\Flysystem\AwsS3v3\AwsS3Adapter;
use League\Flysystem\Cached\CachedAdapter;
use League\Flysystem\FileExistsException;
use League\Flysystem\FileNotFoundException;
use League\Flysystem\FilesystemInterface;
use League\Flysystem\Sftp\SftpAdapter as Sftp;
use PHPUnit\Framework\Assert as PHPUnit;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Message\UriInterface;
use RuntimeException;
use Symfony\Component\HttpFoundation\StreamedResponse;

/**
 * @mixin \League\Flysystem\FilesystemInterface
 */
class FilesystemAdapter implements CloudFilesystemContract
{
    use Macroable {
        __call as macroCall;
    }

    /**
     * The Flysystem filesystem implementation.
     *
     * @var \League\Flysystem\FilesystemInterface
     */
    protected $driver;

    /**
     * The temporary URL builder callback.
     *
     * @var \Closure|null
     */
    protected $temporaryUrlCallback;

    /**
     * Create a new filesystem adapter instance.
     *
     * @param  \League\Flysystem\FilesystemInterface  $driver
     * @return void
     */
    public function __construct(FilesystemInterface $driver)
    {
        $this-&gt;driver = $driver;
    }

    /**
     * Assert that the given file exists.
     *
     * @param  string|array  $path
     * @param  string|null  $content
     * @return $this
     */
    public function assertExists($path, $content = null)
    {
        clearstatcache();

        $paths = Arr::wrap($path);

        foreach ($paths as $path) {
            PHPUnit::assertTrue(
                $this-&gt;exists($path), &quot;Unable to find a file at path [{$path}].&quot;
            );

            if (! is_null($content)) {
                $actual = $this-&gt;get($path);

                PHPUnit::assertSame(
                    $content,
                    $actual,
                    &quot;File [{$path}] was found, but content [{$actual}] does not match [{$content}].&quot;
                );
            }
        }

        return $this;
    }

    /**
     * Assert that the given file does not exist.
     *
     * @param  string|array  $path
     * @return $this
     */
    public function assertMissing($path)
    {
        clearstatcache();

        $paths = Arr::wrap($path);

        foreach ($paths as $path) {
            PHPUnit::assertFalse(
                $this-&gt;exists($path), &quot;Found unexpected file at path [{$path}].&quot;
            );
        }

        return $this;
    }

    /**
     * Determine if a file exists.
     *
     * @param  string  $path
     * @return bool
     */
    public function exists($path)
    {
        return $this-&gt;driver-&gt;has($path);
    }

    /**
     * Determine if a file or directory is missing.
     *
     * @param  string  $path
     * @return bool
     */
    public function missing($path)
    {
        return ! $this-&gt;exists($path);
    }

    /**
     * Get the full path for the file at the given &quot;short&quot; path.
     *
     * @param  string  $path
     * @return string
     */
    public function path($path)
    {
        $adapter = $this-&gt;driver-&gt;getAdapter();

        if ($adapter instanceof CachedAdapter) {
            $adapter = $adapter-&gt;getAdapter();
        }

        return $adapter-&gt;getPathPrefix().$path;
    }

    /**
     * Get the contents of a file.
     *
     * @param  string  $path
     * @return string
     *
     * @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
     */
    public function get($path)
    {
        try {
            return $this-&gt;driver-&gt;read($path);
        } catch (FileNotFoundException $e) {
            throw new ContractFileNotFoundException($e-&gt;getMessage(), $e-&gt;getCode(), $e);
        }
    }

    /**
     * Create a streamed response for a given file.
     *
     * @param  string  $path
     * @param  string|null  $name
     * @param  array|null  $headers
     * @param  string|null  $disposition
     * @return \Symfony\Component\HttpFoundation\StreamedResponse
     */
    public function response($path, $name = null, array $headers = [], $disposition = 'inline')
    {
        $response = new StreamedResponse;

        $filename = $name ?? basename($path);

        $disposition = $response-&gt;headers-&gt;makeDisposition(
            $disposition, $filename, $this-&gt;fallbackName($filename)
        );

        $response-&gt;headers-&gt;replace($headers + [
            'Content-Type' =&gt; $this-&gt;mimeType($path),
            'Content-Length' =&gt; $this-&gt;size($path),
            'Content-Disposition' =&gt; $disposition,
        ]);

        $response-&gt;setCallback(function () use ($path) {
            $stream = $this-&gt;readStream($path);
            fpassthru($stream);
            fclose($stream);
        });

        return $response;
    }

    /**
     * Create a streamed download response for a given file.
     *
     * @param  string  $path
     * @param  string|null  $name
     * @param  array|null  $headers
     * @return \Symfony\Component\HttpFoundation\StreamedResponse
     */
    public function download($path, $name = null, array $headers = [])
    {
        return $this-&gt;response($path, $name, $headers, 'attachment');
    }

    /**
     * Convert the string to ASCII characters that are equivalent to the given name.
     *
     * @param  string  $name
     * @return string
     */
    protected function fallbackName($name)
    {
        return str_replace('%', '', Str::ascii($name));
    }

    /**
     * Write the contents of a file.
     *
     * @param  string  $path
     * @param  \Psr\Http\Message\StreamInterface|\Illuminate\Http\File|\Illuminate\Http\UploadedFile|string|resource  $contents
     * @param  mixed  $options
     * @return bool
     */
    public function put($path, $contents, $options = [])
    {
        $options = is_string($options)
                     ? ['visibility' =&gt; $options]
                     : (array) $options;

        // If the given contents is actually a file or uploaded file instance than we will
        // automatically store the file using a stream. This provides a convenient path
        // for the developer to store streams without managing them manually in code.
        if ($contents instanceof File ||
            $contents instanceof UploadedFile) {
            return $this-&gt;putFile($path, $contents, $options);
        }

        if ($contents instanceof StreamInterface) {
            return $this-&gt;driver-&gt;putStream($path, $contents-&gt;detach(), $options);
        }

        return is_resource($contents)
                ? $this-&gt;driver-&gt;putStream($path, $contents, $options)
                : $this-&gt;driver-&gt;put($path, $contents, $options);
    }

    /**
     * Store the uploaded file on the disk.
     *
     * @param  string  $path
     * @param  \Illuminate\Http\File|\Illuminate\Http\UploadedFile|string  $file
     * @param  mixed  $options
     * @return string|false
     */
    public function putFile($path, $file, $options = [])
    {
        $file = is_string($file) ? new File($file) : $file;

        return $this-&gt;putFileAs($path, $file, $file-&gt;hashName(), $options);
    }

    /**
     * Store the uploaded file on the disk with a given name.
     *
     * @param  string  $path
     * @param  \Illuminate\Http\File|\Illuminate\Http\UploadedFile|string  $file
     * @param  string  $name
     * @param  mixed  $options
     * @return string|false
     */
    public function putFileAs($path, $file, $name, $options = [])
    {
        $stream = fopen(is_string($file) ? $file : $file-&gt;getRealPath(), 'r');

        // Next, we will format the path of the file and store the file using a stream since
        // they provide better performance than alternatives. Once we write the file this
        // stream will get closed automatically by us so the developer doesn't have to.
        $result = $this-&gt;put(
            $path = trim($path.'/'.$name, '/'), $stream, $options
        );

        if (is_resource($stream)) {
            fclose($stream);
        }

        return $result ? $path : false;
    }

    /**
     * Get the visibility for the given path.
     *
     * @param  string  $path
     * @return string
     */
    public function getVisibility($path)
    {
        if ($this-&gt;driver-&gt;getVisibility($path) == AdapterInterface::VISIBILITY_PUBLIC) {
            return FilesystemContract::VISIBILITY_PUBLIC;
        }

        return FilesystemContract::VISIBILITY_PRIVATE;
    }

    /**
     * Set the visibility for the given path.
     *
     * @param  string  $path
     * @param  string  $visibility
     * @return bool
     */
    public function setVisibility($path, $visibility)
    {
        return $this-&gt;driver-&gt;setVisibility($path, $this-&gt;parseVisibility($visibility));
    }

    /**
     * Prepend to a file.
     *
     * @param  string  $path
     * @param  string  $data
     * @param  string  $separator
     * @return bool
     */
    public function prepend($path, $data, $separator = PHP_EOL)
    {
        if ($this-&gt;exists($path)) {
            return $this-&gt;put($path, $data.$separator.$this-&gt;get($path));
        }

        return $this-&gt;put($path, $data);
    }

    /**
     * Append to a file.
     *
     * @param  string  $path
     * @param  string  $data
     * @param  string  $separator
     * @return bool
     */
    public function append($path, $data, $separator = PHP_EOL)
    {
        if ($this-&gt;exists($path)) {
            return $this-&gt;put($path, $this-&gt;get($path).$separator.$data);
        }

        return $this-&gt;put($path, $data);
    }

    /**
     * Delete the file at a given path.
     *
     * @param  string|array  $paths
     * @return bool
     */
    public function delete($paths)
    {
        $paths = is_array($paths) ? $paths : func_get_args();

        $success = true;

        foreach ($paths as $path) {
            try {
                if (! $this-&gt;driver-&gt;delete($path)) {
                    $success = false;
                }
            } catch (FileNotFoundException $e) {
                $success = false;
            }
        }

        return $success;
    }

    /**
     * Copy a file to a new location.
     *
     * @param  string  $from
     * @param  string  $to
     * @return bool
     */
    public function copy($from, $to)
    {
        return $this-&gt;driver-&gt;copy($from, $to);
    }

    /**
     * Move a file to a new location.
     *
     * @param  string  $from
     * @param  string  $to
     * @return bool
     */
    public function move($from, $to)
    {
        return $this-&gt;driver-&gt;rename($from, $to);
    }

    /**
     * Get the file size of a given file.
     *
     * @param  string  $path
     * @return int
     */
    public function size($path)
    {
        return $this-&gt;driver-&gt;getSize($path);
    }

    /**
     * Get the mime-type of a given file.
     *
     * @param  string  $path
     * @return string|false
     */
    public function mimeType($path)
    {
        return $this-&gt;driver-&gt;getMimetype($path);
    }

    /**
     * Get the file's last modification time.
     *
     * @param  string  $path
     * @return int
     */
    public function lastModified($path)
    {
        return $this-&gt;driver-&gt;getTimestamp($path);
    }

    /**
     * Get the URL for the file at the given path.
     *
     * @param  string  $path
     * @return string
     *
     * @throws \RuntimeException
     */
    public function url($path)
    {
        $adapter = $this-&gt;driver-&gt;getAdapter();

        if ($adapter instanceof CachedAdapter) {
            $adapter = $adapter-&gt;getAdapter();
        }

        if (method_exists($adapter, 'getUrl')) {
            return $adapter-&gt;getUrl($path);
        } elseif (method_exists($this-&gt;driver, 'getUrl')) {
            return $this-&gt;driver-&gt;getUrl($path);
        } elseif ($adapter instanceof AwsS3Adapter) {
            return $this-&gt;getAwsUrl($adapter, $path);
        } elseif ($adapter instanceof Ftp || $adapter instanceof Sftp) {
            return $this-&gt;getFtpUrl($path);
        } elseif ($adapter instanceof LocalAdapter) {
            return $this-&gt;getLocalUrl($path);
        } else {
            throw new RuntimeException('This driver does not support retrieving URLs.');
        }
    }

    /**
     * {@inheritdoc}
     */
    public function readStream($path)
    {
        try {
            return $this-&gt;driver-&gt;readStream($path) ?: null;
        } catch (FileNotFoundException $e) {
            throw new ContractFileNotFoundException($e-&gt;getMessage(), $e-&gt;getCode(), $e);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function writeStream($path, $resource, array $options = [])
    {
        try {
            return $this-&gt;driver-&gt;writeStream($path, $resource, $options);
        } catch (FileExistsException $e) {
            throw new ContractFileExistsException($e-&gt;getMessage(), $e-&gt;getCode(), $e);
        }
    }

    /**
     * Get the URL for the file at the given path.
     *
     * @param  \League\Flysystem\AwsS3v3\AwsS3Adapter  $adapter
     * @param  string  $path
     * @return string
     */
    protected function getAwsUrl($adapter, $path)
    {
        // If an explicit base URL has been set on the disk configuration then we will use
        // it as the base URL instead of the default path. This allows the developer to
        // have full control over the base path for this filesystem's generated URLs.
        if (! is_null($url = $this-&gt;driver-&gt;getConfig()-&gt;get('url'))) {
            return $this-&gt;concatPathToUrl($url, $adapter-&gt;getPathPrefix().$path);
        }

        return $adapter-&gt;getClient()-&gt;getObjectUrl(
            $adapter-&gt;getBucket(), $adapter-&gt;getPathPrefix().$path
        );
    }

    /**
     * Get the URL for the file at the given path.
     *
     * @param  string  $path
     * @return string
     */
    protected function getFtpUrl($path)
    {
        $config = $this-&gt;driver-&gt;getConfig();

        return $config-&gt;has('url')
                ? $this-&gt;concatPathToUrl($config-&gt;get('url'), $path)
                : $path;
    }

    /**
     * Get the URL for the file at the given path.
     *
     * @param  string  $path
     * @return string
     */
    protected function getLocalUrl($path)
    {
        $config = $this-&gt;driver-&gt;getConfig();

        // If an explicit base URL has been set on the disk configuration then we will use
        // it as the base URL instead of the default path. This allows the developer to
        // have full control over the base path for this filesystem's generated URLs.
        if ($config-&gt;has('url')) {
            return $this-&gt;concatPathToUrl($config-&gt;get('url'), $path);
        }

        $path = '/storage/'.$path;

        // If the path contains &quot;storage/public&quot;, it probably means the developer is using
        // the default disk to generate the path instead of the &quot;public&quot; disk like they
        // are really supposed to use. We will remove the public from this path here.
        if (Str::contains($path, '/storage/public/')) {
            return Str::replaceFirst('/public/', '/', $path);
        }

        return $path;
    }

    /**
     * Get a temporary URL for the file at the given path.
     *
     * @param  string  $path
     * @param  \DateTimeInterface  $expiration
     * @param  array  $options
     * @return string
     *
     * @throws \RuntimeException
     */
    public function temporaryUrl($path, $expiration, array $options = [])
    {
        $adapter = $this-&gt;driver-&gt;getAdapter();

        if ($adapter instanceof CachedAdapter) {
            $adapter = $adapter-&gt;getAdapter();
        }

        if (method_exists($adapter, 'getTemporaryUrl')) {
            return $adapter-&gt;getTemporaryUrl($path, $expiration, $options);
        }

        if ($this-&gt;temporaryUrlCallback) {
            return $this-&gt;temporaryUrlCallback-&gt;bindTo($this, static::class)(
                $path, $expiration, $options
            );
        }

        if ($adapter instanceof AwsS3Adapter) {
            return $this-&gt;getAwsTemporaryUrl($adapter, $path, $expiration, $options);
        }

        throw new RuntimeException('This driver does not support creating temporary URLs.');
    }

    /**
     * Get a temporary URL for the file at the given path.
     *
     * @param  \League\Flysystem\AwsS3v3\AwsS3Adapter  $adapter
     * @param  string  $path
     * @param  \DateTimeInterface  $expiration
     * @param  array  $options
     * @return string
     */
    public function getAwsTemporaryUrl($adapter, $path, $expiration, $options)
    {
        $client = $adapter-&gt;getClient();

        $command = $client-&gt;getCommand('GetObject', array_merge([
            'Bucket' =&gt; $adapter-&gt;getBucket(),
            'Key' =&gt; $adapter-&gt;getPathPrefix().$path,
        ], $options));

        $uri = $client-&gt;createPresignedRequest(
            $command, $expiration
        )-&gt;getUri();

        // If an explicit base URL has been set on the disk configuration then we will use
        // it as the base URL instead of the default path. This allows the developer to
        // have full control over the base path for this filesystem's generated URLs.
        if (! is_null($url = $this-&gt;driver-&gt;getConfig()-&gt;get('temporary_url'))) {
            $uri = $this-&gt;replaceBaseUrl($uri, $url);
        }

        return (string) $uri;
    }

    /**
     * Concatenate a path to a URL.
     *
     * @param  string  $url
     * @param  string  $path
     * @return string
     */
    protected function concatPathToUrl($url, $path)
    {
        return rtrim($url, '/').'/'.ltrim($path, '/');
    }

    /**
     * Replace the scheme, host and port of the given UriInterface with values from the given URL.
     *
     * @param  \Psr\Http\Message\UriInterface  $uri
     * @param  string  $url
     * @return \Psr\Http\Message\UriInterface
     */
    protected function replaceBaseUrl($uri, $url)
    {
        $parsed = parse_url($url);

        return $uri
            -&gt;withScheme($parsed['scheme'])
            -&gt;withHost($parsed['host'])
            -&gt;withPort($parsed['port'] ?? null);
    }

    /**
     * Get an array of all files in a directory.
     *
     * @param  string|null  $directory
     * @param  bool  $recursive
     * @return array
     */
    public function files($directory = null, $recursive = false)
    {
        $contents = $this-&gt;driver-&gt;listContents($directory ?? '', $recursive);

        return $this-&gt;filterContentsByType($contents, 'file');
    }

    /**
     * Get all of the files from the given directory (recursive).
     *
     * @param  string|null  $directory
     * @return array
     */
    public function allFiles($directory = null)
    {
        return $this-&gt;files($directory, true);
    }

    /**
     * Get all of the directories within a given directory.
     *
     * @param  string|null  $directory
     * @param  bool  $recursive
     * @return array
     */
    public function directories($directory = null, $recursive = false)
    {
        $contents = $this-&gt;driver-&gt;listContents($directory ?? '', $recursive);

        return $this-&gt;filterContentsByType($contents, 'dir');
    }

    /**
     * Get all (recursive) of the directories within a given directory.
     *
     * @param  string|null  $directory
     * @return array
     */
    public function allDirectories($directory = null)
    {
        return $this-&gt;directories($directory, true);
    }

    /**
     * Create a directory.
     *
     * @param  string  $path
     * @return bool
     */
    public function makeDirectory($path)
    {
        return $this-&gt;driver-&gt;createDir($path);
    }

    /**
     * Recursively delete a directory.
     *
     * @param  string  $directory
     * @return bool
     */
    public function deleteDirectory($directory)
    {
        return $this-&gt;driver-&gt;deleteDir($directory);
    }

    /**
     * Flush the Flysystem cache.
     *
     * @return void
     */
    public function flushCache()
    {
        $adapter = $this-&gt;driver-&gt;getAdapter();

        if ($adapter instanceof CachedAdapter) {
            $adapter-&gt;getCache()-&gt;flush();
        }
    }

    /**
     * Get the Flysystem driver.
     *
     * @return \League\Flysystem\FilesystemInterface
     */
    public function getDriver()
    {
        return $this-&gt;driver;
    }

    /**
     * Filter directory contents by type.
     *
     * @param  array  $contents
     * @param  string  $type
     * @return array
     */
    protected function filterContentsByType($contents, $type)
    {
        return Collection::make($contents)
            -&gt;where('type', $type)
            -&gt;pluck('path')
            -&gt;values()
            -&gt;all();
    }

    /**
     * Parse the given visibility value.
     *
     * @param  string|null  $visibility
     * @return string|null
     *
     * @throws \InvalidArgumentException
     */
    protected function parseVisibility($visibility)
    {
        if (is_null($visibility)) {
            return;
        }

        switch ($visibility) {
            case FilesystemContract::VISIBILITY_PUBLIC:
                return AdapterInterface::VISIBILITY_PUBLIC;
            case FilesystemContract::VISIBILITY_PRIVATE:
                return AdapterInterface::VISIBILITY_PRIVATE;
        }

        throw new InvalidArgumentException(&quot;Unknown visibility: {$visibility}.&quot;);
    }

    /**
     * Define a custom temporary URL builder callback.
     *
     * @param  \Closure  $callback
     * @return void
     */
    public function buildTemporaryUrlsUsing(Closure $callback)
    {
        $this-&gt;temporaryUrlCallback = $callback;
    }

    /**
     * Pass dynamic methods call onto Flysystem.
     *
     * @param  string  $method
     * @param  array  $parameters
     * @return mixed
     *
     * @throws \BadMethodCallException
     */
    public function __call($method, array $parameters)
    {
        if (static::hasMacro($method)) {
            return $this-&gt;macroCall($method, $parameters);
        }

        return $this-&gt;driver-&gt;{$method}(...$parameters);
    }
}
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