<?php
namespace League\Flysystem;
use InvalidArgumentException;
use League\Flysystem\Plugin\PluggableTrait;
use League\Flysystem\Plugin\PluginNotFoundException;
/**
* Class MountManager.
*
* Proxies methods to Filesystem (@see __call):
*
* @method AdapterInterface getAdapter($prefix)
* @method Config getConfig($prefix)
* @method array listFiles($directory = '', $recursive = false)
* @method array listPaths($directory = '', $recursive = false)
* @method array getWithMetadata($path, array $metadata)
* @method Filesystem flushCache()
* @method void assertPresent($path)
* @method void assertAbsent($path)
* @method Filesystem addPlugin(PluginInterface $plugin)
*/
class MountManager implements FilesystemInterface
{
use PluggableTrait;
/**
* @var FilesystemInterface[]
*/
protected $filesystems = [];
/**
* Constructor.
*
* @param FilesystemInterface[] $filesystems [:prefix => Filesystem,]
*
* @throws InvalidArgumentException
*/
public function __construct(array $filesystems = [])
{
$this->mountFilesystems($filesystems);
}
/**
* Mount filesystems.
*
* @param FilesystemInterface[] $filesystems [:prefix => Filesystem,]
*
* @throws InvalidArgumentException
*
* @return $this
*/
public function mountFilesystems(array $filesystems)
{
foreach ($filesystems as $prefix => $filesystem) {
$this->mountFilesystem($prefix, $filesystem);
}
return $this;
}
/**
* Mount filesystems.
*
* @param string $prefix
* @param FilesystemInterface $filesystem
*
* @throws InvalidArgumentException
*
* @return $this
*/
public function mountFilesystem($prefix, FilesystemInterface $filesystem)
{
if ( ! is_string($prefix)) {
throw new InvalidArgumentException(__METHOD__ . ' expects argument #1 to be a string.');
}
$this->filesystems[$prefix] = $filesystem;
return $this;
}
/**
* Get the filesystem with the corresponding prefix.
*
* @param string $prefix
*
* @throws FilesystemNotFoundException
*
* @return FilesystemInterface
*/
public function getFilesystem($prefix)
{
if ( ! isset($this->filesystems[$prefix])) {
throw new FilesystemNotFoundException('No filesystem mounted with prefix ' . $prefix);
}
return $this->filesystems[$prefix];
}
/**
* Retrieve the prefix from an arguments array.
*
* @param array $arguments
*
* @throws InvalidArgumentException
*
* @return array [:prefix, :arguments]
*/
public function filterPrefix(array $arguments)
{
if (empty($arguments)) {
throw new InvalidArgumentException('At least one argument needed');
}
$path = array_shift($arguments);
if ( ! is_string($path)) {
throw new InvalidArgumentException('First argument should be a string');
}
list($prefix, $path) = $this->getPrefixAndPath($path);
array_unshift($arguments, $path);
return [$prefix, $arguments];
}
/**
* @param string $directory
* @param bool $recursive
*
* @throws InvalidArgumentException
* @throws FilesystemNotFoundException
*
* @return array
*/
public function listContents($directory = '', $recursive = false)
{
list($prefix, $directory) = $this->getPrefixAndPath($directory);
$filesystem = $this->getFilesystem($prefix);
$result = $filesystem->listContents($directory, $recursive);
foreach ($result as &$file) {
$file['filesystem'] = $prefix;
}
return $result;
}
/**
* Call forwarder.
*
* @param string $method
* @param array $arguments
*
* @throws InvalidArgumentException
* @throws FilesystemNotFoundException
*
* @return mixed
*/
public function __call($method, $arguments)
{
list($prefix, $arguments) = $this->filterPrefix($arguments);
return $this->invokePluginOnFilesystem($method, $arguments, $prefix);
}
/**
* @param string $from
* @param string $to
* @param array $config
*
* @throws InvalidArgumentException
* @throws FilesystemNotFoundException
* @throws FileExistsException
*
* @return bool
*/
public function copy($from, $to, array $config = [])
{
list($prefixFrom, $from) = $this->getPrefixAndPath($from);
$buffer = $this->getFilesystem($prefixFrom)->readStream($from);
if ($buffer === false) {
return false;
}
list($prefixTo, $to) = $this->getPrefixAndPath($to);
$result = $this->getFilesystem($prefixTo)->writeStream($to, $buffer, $config);
if (is_resource($buffer)) {
fclose($buffer);
}
return $result;
}
/**
* List with plugin adapter.
*
* @param array $keys
* @param string $directory
* @param bool $recursive
*
* @throws InvalidArgumentException
* @throws FilesystemNotFoundException
*
* @return array
*/
public function listWith(array $keys = [], $directory = '', $recursive = false)
{
list($prefix, $directory) = $this->getPrefixAndPath($directory);
$arguments = [$keys, $directory, $recursive];
return $this->invokePluginOnFilesystem('listWith', $arguments, $prefix);
}
/**
* Move a file.
*
* @param string $from
* @param string $to
* @param array $config
*
* @throws InvalidArgumentException
* @throws FilesystemNotFoundException
*
* @return bool
*/
public function move($from, $to, array $config = [])
{
list($prefixFrom, $pathFrom) = $this->getPrefixAndPath($from);
list($prefixTo, $pathTo) = $this->getPrefixAndPath($to);
if ($prefixFrom === $prefixTo) {
$filesystem = $this->getFilesystem($prefixFrom);
$renamed = $filesystem->rename($pathFrom, $pathTo);
if ($renamed && isset($config['visibility'])) {
return $filesystem->setVisibility($pathTo, $config['visibility']);
}
return $renamed;
}
$copied = $this->copy($from, $to, $config);
if ($copied) {
return $this->delete($from);
}
return false;
}
/**
* Invoke a plugin on a filesystem mounted on a given prefix.
*
* @param string $method
* @param array $arguments
* @param string $prefix
*
* @throws FilesystemNotFoundException
*
* @return mixed
*/
public function invokePluginOnFilesystem($method, $arguments, $prefix)
{
$filesystem = $this->getFilesystem($prefix);
try {
return $this->invokePlugin($method, $arguments, $filesystem);
} catch (PluginNotFoundException $e) {
// Let it pass, it's ok, don't panic.
}
$callback = [$filesystem, $method];
return call_user_func_array($callback, $arguments);
}
/**
* @param string $path
*
* @throws InvalidArgumentException
*
* @return string[] [:prefix, :path]
*/
protected function getPrefixAndPath($path)
{
if (strpos($path, '://') < 1) {
throw new InvalidArgumentException('No prefix detected in path: ' . $path);
}
return explode('://', $path, 2);
}
/**
* Check whether a file exists.
*
* @param string $path
*
* @return bool
*/
public function has($path)
{
list($prefix, $path) = $this->getPrefixAndPath($path);
return $this->getFilesystem($prefix)->has($path);
}
/**
* Read a file.
*
* @param string $path The path to the file.
*
* @throws FileNotFoundException
*
* @return string|false The file contents or false on failure.
*/
public function read($path)
{
list($prefix, $path) = $this->getPrefixAndPath($path);
return $this->getFilesystem($prefix)->read($path);
}
/**
* Retrieves a read-stream for a path.
*
* @param string $path The path to the file.
*
* @throws FileNotFoundException
*
* @return resource|false The path resource or false on failure.
*/
public function readStream($path)
{
list($prefix, $path) = $this->getPrefixAndPath($path);
return $this->getFilesystem($prefix)->readStream($path);
}
/**
* Get a file's metadata.
*
* @param string $path The path to the file.
*
* @throws FileNotFoundException
*
* @return array|false The file metadata or false on failure.
*/
public function getMetadata($path)
{
list($prefix, $path) = $this->getPrefixAndPath($path);
return $this->getFilesystem($prefix)->getMetadata($path);
}
/**
* Get a file's size.
*
* @param string $path The path to the file.
*
* @throws FileNotFoundException
*
* @return int|false The file size or false on failure.
*/
public function getSize($path)
{
list($prefix, $path) = $this->getPrefixAndPath($path);
return $this->getFilesystem($prefix)->getSize($path);
}
/**
* Get a file's mime-type.
*
* @param string $path The path to the file.
*
* @throws FileNotFoundException
*
* @return string|false The file mime-type or false on failure.
*/
public function getMimetype($path)
{
list($prefix, $path) = $this->getPrefixAndPath($path);
return $this->getFilesystem($prefix)->getMimetype($path);
}
/**
* Get a file's timestamp.
*
* @param string $path The path to the file.
*
* @throws FileNotFoundException
*
* @return string|false The timestamp or false on failure.
*/
public function getTimestamp($path)
{
list($prefix, $path) = $this->getPrefixAndPath($path);
return $this->getFilesystem($prefix)->getTimestamp($path);
}
/**
* Get a file's visibility.
*
* @param string $path The path to the file.
*
* @throws FileNotFoundException
*
* @return string|false The visibility (public|private) or false on failure.
*/
public function getVisibility($path)
{
list($prefix, $path) = $this->getPrefixAndPath($path);
return $this->getFilesystem($prefix)->getVisibility($path);
}
/**
* Write a new file.
*
* @param string $path The path of the new file.
* @param string $contents The file contents.
* @param array $config An optional configuration array.
*
* @throws FileExistsException
*
* @return bool True on success, false on failure.
*/
public function write($path, $contents, array $config = [])
{
list($prefix, $path) = $this->getPrefixAndPath($path);
return $this->getFilesystem($prefix)->write($path, $contents, $config);
}
/**
* Write a new file using a stream.
*
* @param string $path The path of the new file.
* @param resource $resource The file handle.
* @param array $config An optional configuration array.
*
* @throws InvalidArgumentException If $resource is not a file handle.
* @throws FileExistsException
*
* @return bool True on success, false on failure.
*/
public function writeStream($path, $resource, array $config = [])
{
list($prefix, $path) = $this->getPrefixAndPath($path);
return $this->getFilesystem($prefix)->writeStream($path, $resource, $config);
}
/**
* Update an existing file.
*
* @param string $path The path of the existing file.
* @param string $contents The file contents.
* @param array $config An optional configuration array.
*
* @throws FileNotFoundException
*
* @return bool True on success, false on failure.
*/
public function update($path, $contents, array $config = [])
{
list($prefix, $path) = $this->getPrefixAndPath($path);
return $this->getFilesystem($prefix)->update($path, $contents, $config);
}
/**
* Update an existing file using a stream.
*
* @param string $path The path of the existing file.
* @param resource $resource The file handle.
* @param array $config An optional configuration array.
*
* @throws InvalidArgumentException If $resource is not a file handle.
* @throws FileNotFoundException
*
* @return bool True on success, false on failure.
*/
public function updateStream($path, $resource, array $config = [])
{
list($prefix, $path) = $this->getPrefixAndPath($path);
return $this->getFilesystem($prefix)->updateStream($path, $resource, $config);
}
/**
* Rename a file.
*
* @param string $path Path to the existing file.
* @param string $newpath The new path of the file.
*
* @throws FileExistsException Thrown if $newpath exists.
* @throws FileNotFoundException Thrown if $path does not exist.
*
* @return bool True on success, false on failure.
*/
public function rename($path, $newpath)
{
list($prefix, $path) = $this->getPrefixAndPath($path);
return $this->getFilesystem($prefix)->rename($path, $newpath);
}
/**
* Delete a file.
*
* @param string $path
*
* @throws FileNotFoundException
*
* @return bool True on success, false on failure.
*/
public function delete($path)
{
list($prefix, $path) = $this->getPrefixAndPath($path);
return $this->getFilesystem($prefix)->delete($path);
}
/**
* Delete a directory.
*
* @param string $dirname
*
* @throws RootViolationException Thrown if $dirname is empty.
*
* @return bool True on success, false on failure.
*/
public function deleteDir($dirname)
{
list($prefix, $dirname) = $this->getPrefixAndPath($dirname);
return $this->getFilesystem($prefix)->deleteDir($dirname);
}
/**
* Create a directory.
*
* @param string $dirname The name of the new directory.
* @param array $config An optional configuration array.
*
* @return bool True on success, false on failure.
*/
public function createDir($dirname, array $config = [])
{
list($prefix, $dirname) = $this->getPrefixAndPath($dirname);
return $this->getFilesystem($prefix)->createDir($dirname);
}
/**
* Set the visibility for a file.
*
* @param string $path The path to the file.
* @param string $visibility One of 'public' or 'private'.
*
* @throws FileNotFoundException
*
* @return bool True on success, false on failure.
*/
public function setVisibility($path, $visibility)
{
list($prefix, $path) = $this->getPrefixAndPath($path);
return $this->getFilesystem($prefix)->setVisibility($path, $visibility);
}
/**
* Create a file or update if exists.
*
* @param string $path The path to the file.
* @param string $contents The file contents.
* @param array $config An optional configuration array.
*
* @return bool True on success, false on failure.
*/
public function put($path, $contents, array $config = [])
{
list($prefix, $path) = $this->getPrefixAndPath($path);
return $this->getFilesystem($prefix)->put($path, $contents, $config);
}
/**
* Create a file or update if exists.
*
* @param string $path The path to the file.
* @param resource $resource The file handle.
* @param array $config An optional configuration array.
*
* @throws InvalidArgumentException Thrown if $resource is not a resource.
*
* @return bool True on success, false on failure.
*/
public function putStream($path, $resource, array $config = [])
{
list($prefix, $path) = $this->getPrefixAndPath($path);
return $this->getFilesystem($prefix)->putStream($path, $resource, $config);
}
/**
* Read and delete a file.
*
* @param string $path The path to the file.
*
* @throws FileNotFoundException
*
* @return string|false The file contents, or false on failure.
*/
public function readAndDelete($path)
{
list($prefix, $path) = $this->getPrefixAndPath($path);
return $this->getFilesystem($prefix)->readAndDelete($path);
}
/**
* Get a file/directory handler.
*
* @deprecated
*
* @param string $path The path to the file.
* @param Handler $handler An optional existing handler to populate.
*
* @return Handler Either a file or directory handler.
*/
public function get($path, Handler $handler = null)
{
list($prefix, $path) = $this->getPrefixAndPath($path);
return $this->getFilesystem($prefix)->get($path);
}
}