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<?php |
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namespace VladimirYuldashev\Flysystem; |
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use DateTime; |
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use Normalizer; |
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use RuntimeException; |
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use League\Flysystem\Util; |
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use League\Flysystem\Config; |
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use League\Flysystem\Util\MimeType; |
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use League\Flysystem\AdapterInterface; |
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use League\Flysystem\Adapter\AbstractFtpAdapter; |
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class CurlFtpAdapter extends AbstractFtpAdapter |
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{ |
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protected $configurable = [ |
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'protocol', |
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'host', |
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'port', |
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'username', |
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'password', |
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'root', |
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]; |
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/** @var Curl */ |
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protected $connection; |
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/** @var bool */ |
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protected $isPureFtpd; |
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/** |
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* Establish a connection. |
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*/ |
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public function connect() |
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{ |
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$this->connection = new Curl(); |
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$this->connection->setOptions([ |
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CURLOPT_URL => $this->getBaseUri(), |
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CURLOPT_USERPWD => $this->getUsername() . ':' . $this->getPassword(), |
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CURLOPT_SSL_VERIFYPEER => false, |
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CURLOPT_SSL_VERIFYHOST => false, |
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CURLOPT_FTP_SSL => CURLFTPSSL_TRY, |
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CURLOPT_FTPSSLAUTH => CURLFTPAUTH_TLS, |
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CURLOPT_RETURNTRANSFER => true, |
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]); |
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$this->pingConnection(); |
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$this->setConnectionRoot(); |
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} |
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/** |
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* Close the connection. |
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*/ |
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public function disconnect() |
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{ |
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if ($this->connection !== null) { |
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$this->connection = null; |
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} |
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$this->isPureFtpd = null; |
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} |
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/** |
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* Check if a connection is active. |
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* |
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* @return bool |
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*/ |
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public function isConnected() |
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{ |
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return $this->connection !== null; |
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} |
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/** |
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* Write a new file. |
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* |
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* @param string $path |
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* @param string $contents |
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* @param Config $config Config object |
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* |
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* @return array|false false on failure file meta data on success |
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*/ |
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public function write($path, $contents, Config $config) |
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{ |
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$stream = fopen('php://temp', 'w+b'); |
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fwrite($stream, $contents); |
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rewind($stream); |
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$result = $this->writeStream($path, $stream, $config); |
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if ($result === false) { |
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return false; |
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} |
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$result['contents'] = $contents; |
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$result['mimetype'] = Util::guessMimeType($path, $contents); |
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return $result; |
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} |
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/** |
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* Write a new file using a stream. |
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* |
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* @param string $path |
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* @param resource $resource |
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* @param Config $config Config object |
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* |
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* @return array|false false on failure file meta data on success |
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*/ |
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public function writeStream($path, $resource, Config $config) |
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{ |
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$connection = $this->getConnection(); |
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$result = $connection->exec([ |
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CURLOPT_URL => $this->getBaseUri() . '/' . $path, |
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CURLOPT_UPLOAD => 1, |
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CURLOPT_INFILE => $resource, |
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]); |
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if ($result === false) { |
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return false; |
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} |
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$type = 'file'; |
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return compact('type', 'path'); |
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} |
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/** |
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* Update a file. |
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* |
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* @param string $path |
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* @param string $contents |
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* @param Config $config Config object |
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* |
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* @return array|false false on failure file meta data on success |
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*/ |
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public function update($path, $contents, Config $config) |
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{ |
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return $this->write($path, $contents, $config); |
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} |
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/** |
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* Update a file using a stream. |
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* |
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* @param string $path |
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* @param resource $resource |
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* @param Config $config Config object |
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* |
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* @return array|false false on failure file meta data on success |
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*/ |
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public function updateStream($path, $resource, Config $config) |
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{ |
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return $this->writeStream($path, $resource, $config); |
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} |
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/** |
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* Rename a file. |
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* |
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* @param string $path |
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* @param string $newpath |
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* |
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* @return bool |
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*/ |
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public function rename($path, $newpath) |
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{ |
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$connection = $this->getConnection(); |
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$response = $this->rawCommand($connection, 'RNFR ' . $path); |
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list($code, $message) = explode(' ', end($response), 2); |
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if ($code !== '350') { |
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return false; |
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} |
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$response = $this->rawCommand($connection, 'RNTO ' . $newpath); |
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list($code, $message) = explode(' ', end($response), 2); |
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if ($code !== '250') { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Copy a file. |
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* |
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* @param string $path |
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* @param string $newpath |
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* |
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* @return bool |
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*/ |
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public function copy($path, $newpath) |
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{ |
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$file = $this->read($path); |
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if ($file === false) { |
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return false; |
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} |
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return $this->write($newpath, $file['contents'], new Config()) !== false; |
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} |
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/** |
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* Delete a file. |
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* |
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* @param string $path |
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* |
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* @return bool |
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*/ |
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View Code Duplication |
public function delete($path) |
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{ |
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$connection = $this->getConnection(); |
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$response = $this->rawCommand($connection, 'DELE ' . $path); |
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list($code, $message) = explode(' ', end($response), 2); |
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if ($code !== '250') { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Delete a directory. |
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* |
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* @param string $dirname |
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* |
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* @return bool |
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*/ |
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View Code Duplication |
public function deleteDir($dirname) |
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{ |
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$connection = $this->getConnection(); |
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$response = $this->rawCommand($connection, 'RMD ' . $dirname); |
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list($code, $message) = explode(' ', end($response), 2); |
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if ($code !== '250') { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Create a directory. |
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* |
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* @param string $dirname directory name |
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* @param Config $config |
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* |
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* @return array|false |
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*/ |
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public function createDir($dirname, Config $config) |
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{ |
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$connection = $this->getConnection(); |
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$response = $this->rawCommand($connection, 'MKD ' . $dirname); |
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list($code, $message) = explode(' ', end($response), 2); |
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if ($code !== '257') { |
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return false; |
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} |
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return ['type' => 'dir', 'path' => $dirname]; |
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} |
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/** |
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* Set the visibility for a file. |
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* |
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* @param string $path |
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* @param string $visibility |
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* |
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* @return array|false file meta data |
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*/ |
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public function setVisibility($path, $visibility) |
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{ |
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$connection = $this->getConnection(); |
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if ($visibility === AdapterInterface::VISIBILITY_PUBLIC) { |
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$mode = $this->getPermPublic(); |
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} else { |
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$mode = $this->getPermPrivate(); |
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} |
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$request = sprintf('SITE CHMOD %o %s', $mode, $path); |
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$response = $this->rawCommand($connection, $request); |
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list($code, $message) = explode(' ', end($response), 2); |
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if ($code !== '200') { |
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return false; |
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} |
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287
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return $this->getMetadata($path); |
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} |
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/** |
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* Read a file. |
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* |
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* @param string $path |
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* |
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* @return array|false |
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*/ |
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public function read($path) |
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{ |
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if (!$object = $this->readStream($path)) { |
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return false; |
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} |
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303
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$object['contents'] = stream_get_contents($object['stream']); |
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fclose($object['stream']); |
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unset($object['stream']); |
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307
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return $object; |
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} |
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310
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/** |
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* Read a file as a stream. |
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* |
313
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* @param string $path |
314
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* |
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* @return array|false |
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*/ |
317
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public function readStream($path) |
318
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{ |
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$stream = fopen('php://temp', 'w+b'); |
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321
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$connection = $this->getConnection(); |
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$result = $connection->exec([ |
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CURLOPT_URL => $this->getBaseUri() . '/' . $path, |
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CURLOPT_FILE => $stream, |
326
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]); |
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328
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if (!$result) { |
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fclose($stream); |
330
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331
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return false; |
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} |
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334
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rewind($stream); |
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336
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return ['type' => 'file', 'path' => $path, 'stream' => $stream]; |
337
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} |
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339
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/** |
340
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* Get all the meta data of a file or directory. |
341
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* |
342
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* @param string $path |
343
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* |
344
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* @return array|false |
345
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*/ |
346
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public function getMetadata($path) |
347
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{ |
348
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if ($path === '') { |
349
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return ['type' => 'dir', 'path' => '']; |
350
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} |
351
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352
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$request = rtrim('LIST -A ' . $this->normalizePath($path)); |
353
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354
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$connection = $this->getConnection(); |
355
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$result = $connection->exec([CURLOPT_CUSTOMREQUEST => $request]); |
356
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if ($result === false) { |
357
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return false; |
358
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} |
359
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|
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$listing = $this->normalizeListing(explode(PHP_EOL, $result), ''); |
360
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|
361
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return current($listing); |
362
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} |
363
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|
|
364
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/** |
365
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* Get the mimetype of a file. |
366
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|
* |
367
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* @param string $path |
368
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* |
369
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* @return array|false |
370
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*/ |
371
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public function getMimetype($path) |
372
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{ |
373
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if (!$metadata = $this->getMetadata($path)) { |
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return false; |
375
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} |
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377
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$metadata['mimetype'] = MimeType::detectByFilename($path); |
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|
379
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return $metadata; |
380
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} |
381
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|
|
382
|
|
|
/** |
383
|
|
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* Get the timestamp of a file. |
384
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|
|
* |
385
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|
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* @param string $path |
386
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* |
387
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|
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* @return array|false |
388
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|
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*/ |
389
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|
|
public function getTimestamp($path) |
390
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|
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{ |
391
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$response = $this->rawCommand($this->getConnection(), 'MDTM ' . $path); |
392
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|
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list($code, $time) = explode(' ', end($response), 2); |
393
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|
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if ($code !== '213') { |
394
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return false; |
395
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|
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} |
396
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|
|
|
397
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|
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$datetime = DateTime::createFromFormat('YmdHis', $time); |
398
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|
|
|
399
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|
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return ['path' => $path, 'timestamp' => $datetime->getTimestamp()]; |
400
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|
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} |
401
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|
|
|
402
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|
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/** |
403
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|
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* {@inheritdoc} |
404
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* |
405
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* @param string $directory |
406
|
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*/ |
407
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protected function listDirectoryContents($directory, $recursive = false) |
408
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{ |
409
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if ($recursive === true) { |
410
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return $this->listDirectoryContentsRecursive($directory); |
411
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} |
412
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413
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$request = rtrim('LIST -aln ' . $this->normalizePath($directory)); |
414
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415
|
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$connection = $this->getConnection(); |
416
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$result = $connection->exec([CURLOPT_CUSTOMREQUEST => $request]); |
417
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if ($result === false) { |
418
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return false; |
419
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} |
420
|
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421
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if ($directory === '/') { |
422
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$directory = ''; |
423
|
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} |
424
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425
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return $this->normalizeListing(explode(PHP_EOL, $result), $directory); |
426
|
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} |
427
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428
|
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/** |
429
|
|
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* {@inheritdoc} |
430
|
|
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* |
431
|
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* @param string $directory |
432
|
|
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*/ |
433
|
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protected function listDirectoryContentsRecursive($directory) |
434
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{ |
435
|
|
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$request = rtrim('LIST -aln ' . $this->normalizePath($directory)); |
436
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437
|
|
|
$connection = $this->getConnection(); |
438
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$result = $connection->exec([CURLOPT_CUSTOMREQUEST => $request]); |
439
|
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|
440
|
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$listing = $this->normalizeListing(explode(PHP_EOL, $result), $directory); |
441
|
|
|
$output = []; |
442
|
|
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|
443
|
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foreach ($listing as $item) { |
444
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if ($item['type'] === 'file') { |
445
|
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$output[] = $item; |
446
|
|
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} elseif ($item['type'] === 'dir') { |
447
|
|
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$output = array_merge($output, |
448
|
|
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$this->listDirectoryContentsRecursive($item['path'])); |
449
|
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} |
450
|
|
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} |
451
|
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|
452
|
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return $output; |
453
|
|
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} |
454
|
|
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|
455
|
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/** |
456
|
|
|
* Normalize a permissions string. |
457
|
|
|
* |
458
|
|
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* @param string $permissions |
459
|
|
|
* |
460
|
|
|
* @return int |
461
|
|
|
*/ |
462
|
|
|
protected function normalizePermissions($permissions) |
463
|
|
|
{ |
464
|
|
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// remove the type identifier |
465
|
|
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$permissions = substr($permissions, 1); |
466
|
|
|
// map the string rights to the numeric counterparts |
467
|
|
|
$map = ['-' => '0', 'r' => '4', 'w' => '2', 'x' => '1']; |
468
|
|
|
$permissions = strtr($permissions, $map); |
469
|
|
|
// split up the permission groups |
470
|
|
|
$parts = str_split($permissions, 3); |
471
|
|
|
// convert the groups |
472
|
|
|
$mapper = function ($part) { |
473
|
|
|
return array_sum(str_split($part)); |
474
|
|
|
}; |
475
|
|
|
|
476
|
|
|
// converts to decimal number |
477
|
|
|
return octdec(implode('', array_map($mapper, $parts))); |
478
|
|
|
} |
479
|
|
|
|
480
|
|
|
/** |
481
|
|
|
* Normalize path depending on server. |
482
|
|
|
* |
483
|
|
|
* @param string $path |
484
|
|
|
* |
485
|
|
|
* @return string |
486
|
|
|
*/ |
487
|
|
|
protected function normalizePath($path) |
488
|
|
|
{ |
489
|
|
|
if (empty($path)) { |
490
|
|
|
return ''; |
491
|
|
|
} |
492
|
|
|
$path = Normalizer::normalize($path); |
493
|
|
|
|
494
|
|
|
if ($this->isPureFtpdServer()) { |
495
|
|
|
$path = str_replace(' ', '\ ', $path); |
496
|
|
|
} |
497
|
|
|
|
498
|
|
|
$path = str_replace('*', '\\*', $path); |
499
|
|
|
|
500
|
|
|
return $path; |
501
|
|
|
} |
502
|
|
|
|
503
|
|
|
/** |
504
|
|
|
* @return bool |
505
|
|
|
*/ |
506
|
|
|
protected function isPureFtpdServer() |
507
|
|
|
{ |
508
|
|
|
if (!isset($this->isPureFtpd)) { |
509
|
|
|
$response = $this->rawCommand($this->getConnection(), 'HELP'); |
510
|
|
|
$response = end($response); |
511
|
|
|
$this->isPureFtpd = stripos($response, 'Pure-FTPd') !== false; |
512
|
|
|
} |
513
|
|
|
|
514
|
|
|
return $this->isPureFtpd; |
515
|
|
|
} |
516
|
|
|
|
517
|
|
|
/** |
518
|
|
|
* Sends an arbitrary command to an FTP server. |
519
|
|
|
* |
520
|
|
|
* @param Curl $connection The CURL instance |
521
|
|
|
* @param string $command The command to execute |
522
|
|
|
* |
523
|
|
|
* @return array Returns the server's response as an array of strings |
524
|
|
|
*/ |
525
|
|
|
protected function rawCommand($connection, $command) |
526
|
|
|
{ |
527
|
|
|
$response = ''; |
528
|
|
|
$callback = function ($ch, $string) use (&$response) { |
529
|
|
|
$response .= $string; |
530
|
|
|
|
531
|
|
|
return strlen($string); |
532
|
|
|
}; |
533
|
|
|
$connection->exec([ |
534
|
|
|
CURLOPT_CUSTOMREQUEST => $command, |
535
|
|
|
CURLOPT_HEADERFUNCTION => $callback, |
536
|
|
|
]); |
537
|
|
|
|
538
|
|
|
return explode(PHP_EOL, trim($response)); |
539
|
|
|
} |
540
|
|
|
|
541
|
|
|
/** |
542
|
|
|
* Returns the base url of the connection. |
543
|
|
|
* |
544
|
|
|
* @return string |
545
|
|
|
*/ |
546
|
|
|
protected function getBaseUri() |
547
|
|
|
{ |
548
|
|
|
$protocol = $this->ssl ? 'ftps' : 'ftp'; |
549
|
|
|
|
550
|
|
|
return $protocol . '://' . $this->getHost() . ':' . $this->getPort(); |
551
|
|
|
} |
552
|
|
|
|
553
|
|
|
/** |
554
|
|
|
* Check the connection is established. |
555
|
|
|
*/ |
556
|
|
|
protected function pingConnection() |
557
|
|
|
{ |
558
|
|
|
// We can't use the getConnection, because it will lead to an infinite cycle |
559
|
|
|
if ($this->connection->exec() === false) { |
560
|
|
|
throw new RuntimeException('Could not connect to host: ' . $this->getHost() . ', port:' . $this->getPort()); |
561
|
|
|
} |
562
|
|
|
} |
563
|
|
|
|
564
|
|
|
/** |
565
|
|
|
* Set the connection root. |
566
|
|
|
*/ |
567
|
|
|
protected function setConnectionRoot() |
568
|
|
|
{ |
569
|
|
|
$root = $this->getRoot(); |
570
|
|
|
if (empty($root)) { |
571
|
|
|
return; |
572
|
|
|
} |
573
|
|
|
|
574
|
|
|
// We can't use the getConnection, because it will lead to an infinite cycle |
575
|
|
|
$response = $this->rawCommand($this->connection, 'CWD ' . $root); |
576
|
|
|
list($code, $message) = explode(' ', end($response), 2); |
|
|
|
|
577
|
|
|
if ($code !== '250') { |
578
|
|
|
throw new RuntimeException('Root is invalid or does not exist: ' . $this->getRoot()); |
579
|
|
|
} |
580
|
|
|
} |
581
|
|
|
} |
582
|
|
|
|
This checks looks for assignemnts to variables using the
list(...)
function, where not all assigned variables are subsequently used.Consider the following code example.
Only the variables
$a
and$c
are used. There was no need to assign$b
.Instead, the list call could have been.