new SMB storage backend

apps/files_external/3rdparty/smb/autoload.php

@@ -0,0 +1,19 @@
+<?php
+/**
+ * Copyright (c) 2012 Robin Appelman <[email protected]>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+set_include_path(get_include_path() . PATH_SEPARATOR . __DIR__);
+
+require_once 'errors.php';
+
+spl_autoload_register(function ($class) {
+	if (substr($class, 0, 4) == 'SMB\\') {
+		$class = strtolower($class);
+		$file = str_replace('\\', '/', substr($class, 4));
+		include __DIR__ . '/' . $file . '.php';
+	}
+});

apps/files_external/3rdparty/smb/cachingshare.php

@@ -0,0 +1,61 @@
+<?php
+/**
+ * Copyright (c) 2013 Robin Appelman <[email protected]>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace SMB;
+
+/**
+ * Class CachingShare
+ *
+ * caches metadata from share
+ *
+ * @package SMB
+ */
+class CachingShare extends Share {
+	private $dirCache = array();
+
+	private function clear($path = null) {
+		if (is_null($path)) {
+			$this->dirCache = array();
+		} else {
+			unset($this->dirCache[$path]);
+		}
+	}
+
+	public function dir($path) {
+		if (!isset($this->dirCache[$path])) {
+			$this->dirCache[$path] = parent::dir($path);
+		}
+		return $this->dirCache[$path];
+	}
+
+	public function mkdir($path) {
+		$this->clear(dirname($path));
+		return parent::mkdir($path);
+	}
+
+	public function rmdir($path) {
+		$this->clear(dirname($path));
+		return parent::rmdir($path);
+	}
+
+	public function del($path) {
+		$this->clear(dirname($path));
+		return parent::del($path);
+	}
+
+	public function put($source, $target) {
+		$this->clear(dirname($target));
+		return parent::put($source, $target);
+	}
+
+	public function rename($from, $to) {
+		$this->clear(dirname($from));
+		$this->clear(dirname($to));
+		return parent::rename($from, $to);
+	}
+}

apps/files_external/3rdparty/smb/connection.php

@@ -0,0 +1,77 @@
+<?php
+/**
+ * Copyright (c) 2013 Robin Appelman <[email protected]>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace SMB;
+
+class Connection extends RawConnection {
+	const DELIMITER = 'smb:';
+
+	/**
+	 * send input to smbclient
+	 *
+	 * @param string $input
+	 */
+	public function write($input) {
+		parent::write($input . PHP_EOL);
+	}
+
+	/**
+	 * get all unprocessed output from smbclient untill the next prompt
+	 *
+	 * @throws ConnectionError
+	 * @return array
+	 */
+	public function read() {
+		if (!$this->isValid()) {
+			throw new ConnectionError();
+		}
+		$line = parent::read(); //first line is prompt
+		$this->checkConnectionError($line);
+
+		$output = array();
+		$line = parent::read();
+		$length = strlen(self::DELIMITER);
+		while (substr($line, 0, $length) !== self::DELIMITER) { //next prompt functions as delimiter
+			$output[] .= $line;
+			$line = parent::read();
+		}
+		return $output;
+	}
+
+	/**
+	 * check if the first line holds a connection failure
+	 *
+	 * @param $line
+	 * @throws AuthenticationException
+	 * @throws InvalidHostException
+	 */
+	private function checkConnectionError($line) {
+		$line = rtrim($line, ')');
+		if (substr($line, -23) === ErrorCodes::LogonFailure) {
+			throw new AuthenticationException();
+		}
+		if (substr($line, -26) === ErrorCodes::BadHostName) {
+			throw new InvalidHostException();
+		}
+		if (substr($line, -22) === ErrorCodes::Unsuccessful) {
+			throw new InvalidHostException();
+		}
+		if (substr($line, -28) === ErrorCodes::ConnectionRefused) {
+			throw new InvalidHostException();
+		}
+	}
+
+	public function close() {
+		$this->write('close' . PHP_EOL);
+	}
+
+	public function __destruct() {
+		$this->close();
+		parent::__destruct();
+	}
+}

apps/files_external/3rdparty/smb/errors.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * Copyright (c) 2012 Robin Appelman <[email protected]>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace SMB;
+
+class NotFoundException extends \Exception {
+}
+
+class AlreadyExistsException extends \Exception {
+}
+
+class NotEmptyException extends \Exception {
+}
+
+class ConnectionError extends \Exception {
+}
+
+class AuthenticationException extends \Exception {
+}
+
+class InvalidHostException extends \Exception {
+}
+
+class AccessDeniedException extends \Exception {
+}
+
+class InvalidTypeException extends \Exception {
+}
+
+class ErrorCodes {
+	/**
+	 * connection errors
+	 */
+	const LogonFailure = 'NT_STATUS_LOGON_FAILURE';
+	const BadHostName = 'NT_STATUS_BAD_NETWORK_NAME';
+	const Unsuccessful = 'NT_STATUS_UNSUCCESSFUL';
+	const ConnectionRefused = 'NT_STATUS_CONNECTION_REFUSED';
+
+	const PathNotFound = 'NT_STATUS_OBJECT_PATH_NOT_FOUND';
+	const NoSuchFile = 'NT_STATUS_NO_SUCH_FILE';
+	const ObjectNotFound = 'NT_STATUS_OBJECT_NAME_NOT_FOUND';
+	const NameCollision = 'NT_STATUS_OBJECT_NAME_COLLISION';
+	const AccessDenied = 'NT_STATUS_ACCESS_DENIED';
+	const DirectoryNotEmpty = 'NT_STATUS_DIRECTORY_NOT_EMPTY';
+	const FileIsADirectory = 'NT_STATUS_FILE_IS_A_DIRECTORY';
+	const NotADirectory = 'NT_STATUS_NOT_A_DIRECTORY';
+}

apps/files_external/3rdparty/smb/rawconnection.php

@@ -0,0 +1,92 @@
+<?php
+/**
+ * Copyright (c) 2013 Robin Appelman <[email protected]>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace SMB;
+
+class RawConnection {
+	/**
+	 * @var resource[] $pipes
+	 *
+	 * $pipes[0] holds STDIN for smbclient
+	 * $pipes[1] holds STDOUT for smbclient
+	 */
+	private $pipes;
+
+	/**
+	 * @var resource $process
+	 */
+	private $process;
+
+
+	public function __construct($command) {
+		$descriptorSpec = array(
+			0 => array("pipe", "r"),
+			1 => array("pipe", "w"),
+			2 => array('file', '/dev/null', 'w')
+		);
+		setlocale(LC_ALL, Server::LOCALE);
+		$this->process = proc_open($command, $descriptorSpec, $this->pipes, null, array(
+			'CLI_FORCE_INTERACTIVE' => 'y', // Needed or the prompt isn't displayed!!
+			'LC_ALL' => Server::LOCALE
+		));
+		if (!$this->isValid()) {
+			throw new ConnectionError();
+		}
+	}
+
+	/**
+	 * check if the connection is still active
+	 *
+	 * @return bool
+	 */
+	public function isValid() {
+		if (is_resource($this->process)) {
+			$status = proc_get_status($this->process);
+			return $status['running'];
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 * send input to the process
+	 *
+	 * @param string $input
+	 */
+	public function write($input) {
+		fwrite($this->pipes[0], $input);
+		fflush($this->pipes[0]);
+	}
+
+	/**
+	 * read a line of output
+	 *
+	 * @return array
+	 */
+	public function read() {
+		return trim(fgets($this->pipes[1]));
+	}
+
+	/**
+	 * get all output until the process closes
+	 *
+	 * @return array
+	 */
+	public function readAll() {
+		$output = array();
+		while ($line = $this->read()) {
+			$output[] = $line;
+		}
+		return $output;
+	}
+
+	public function __destruct() {
+		proc_terminate($this->process);
+		proc_close($this->process);
+	}
+}