move backends into their own namespace and add support for multiple auth methods

src/Native/NativeState.php

@@ -0,0 +1,309 @@
+<?php
+/**
+ * Copyright (c) 2014 Robin Appelman <icewind@owncloud.com>
+ * This file is licensed under the Licensed under the MIT license:
+ * http://opensource.org/licenses/MIT
+ */
+
+namespace Icewind\SMB\Native;
+
+use Icewind\SMB\Exception\AlreadyExistsException;
+use Icewind\SMB\Exception\ConnectionRefusedException;
+use Icewind\SMB\Exception\Exception;
+use Icewind\SMB\Exception\FileInUseException;
+use Icewind\SMB\Exception\ForbiddenException;
+use Icewind\SMB\Exception\HostDownException;
+use Icewind\SMB\Exception\InvalidArgumentException;
+use Icewind\SMB\Exception\InvalidTypeException;
+use Icewind\SMB\Exception\NoRouteToHostException;
+use Icewind\SMB\Exception\NotEmptyException;
+use Icewind\SMB\Exception\NotFoundException;
+use Icewind\SMB\Exception\OutOfSpaceException;
+use Icewind\SMB\Exception\TimedOutException;
+use Icewind\SMB\IAuth;
+
+/**
+ * Low level wrapper for libsmbclient-php with error handling
+ */
+class NativeState {
+	/**
+	 * @var resource
+	 */
+	protected $state;
+
+	protected $handlerSet = false;
+
+	protected $connected = false;
+
+	// see error.h
+	const EXCEPTION_MAP = [
+		1   => ForbiddenException::class,
+		2   => NotFoundException::class,
+		13  => ForbiddenException::class,
+		16  => FileInUseException::class,
+		17  => AlreadyExistsException::class,
+		20  => InvalidTypeException::class,
+		21  => InvalidTypeException::class,
+		22  => InvalidArgumentException::class,
+		28  => OutOfSpaceException::class,
+		39  => NotEmptyException::class,
+		110 => TimedOutException::class,
+		111 => ConnectionRefusedException::class,
+		112 => HostDownException::class,
+		113 => NoRouteToHostException::class
+	];
+
+	protected function handleError($path) {
+		$error = smbclient_state_errno($this->state);
+		if ($error === 0) {
+			return;
+		}
+		throw Exception::fromMap(self::EXCEPTION_MAP, $error, $path);
+	}
+
+	protected function testResult($result, $uri) {
+		if ($result === false or $result === null) {
+			// smb://host/share/path
+			if (is_string($uri) && count(explode('/', $uri, 5)) > 4) {
+				list(, , , , $path) = explode('/', $uri, 5);
+				$path = '/' . $path;
+			} else {
+				$path = null;
+			}
+			$this->handleError($path);
+		}
+	}
+
+	/**
+	 * @param IAuth $auth
+	 * @return bool
+	 */
+	public function init(IAuth $auth) {
+		if ($this->connected) {
+			return true;
+		}
+		$this->state = smbclient_state_new();
+		smbclient_option_set($this->state, SMBCLIENT_OPT_AUTO_ANONYMOUS_LOGIN, false);
+		$auth->setExtraSmbClientOptions($this->state);
+		$result = @smbclient_state_init($this->state, $auth->getWorkgroup(), $auth->getUsername(), $auth->getPassword());
+
+		$this->testResult($result, '');
+		$this->connected = true;
+		return $result;
+	}
+
+	/**
+	 * @param string $uri
+	 * @return resource
+	 */
+	public function opendir($uri) {
+		$result = @smbclient_opendir($this->state, $uri);
+
+		$this->testResult($result, $uri);
+		return $result;
+	}
+
+	/**
+	 * @param resource $dir
+	 * @return array
+	 */
+	public function readdir($dir) {
+		$result = @smbclient_readdir($this->state, $dir);
+
+		$this->testResult($result, $dir);
+		return $result;
+	}
+
+	/**
+	 * @param $dir
+	 * @return bool
+	 */
+	public function closedir($dir) {
+		$result = smbclient_closedir($this->state, $dir);
+
+		$this->testResult($result, $dir);
+		return $result;
+	}
+
+	/**
+	 * @param string $old
+	 * @param string $new
+	 * @return bool
+	 */
+	public function rename($old, $new) {
+		$result = @smbclient_rename($this->state, $old, $this->state, $new);
+
+		$this->testResult($result, $new);
+		return $result;
+	}
+
+	/**
+	 * @param string $uri
+	 * @return bool
+	 */
+	public function unlink($uri) {
+		$result = @smbclient_unlink($this->state, $uri);
+
+		$this->testResult($result, $uri);
+		return $result;
+	}
+
+	/**
+	 * @param string $uri
+	 * @param int $mask
+	 * @return bool
+	 */
+	public function mkdir($uri, $mask = 0777) {
+		$result = @smbclient_mkdir($this->state, $uri, $mask);
+
+		$this->testResult($result, $uri);
+		return $result;
+	}
+
+	/**
+	 * @param string $uri
+	 * @return bool
+	 */
+	public function rmdir($uri) {
+		$result = @smbclient_rmdir($this->state, $uri);
+
+		$this->testResult($result, $uri);
+		return $result;
+	}
+
+	/**
+	 * @param string $uri
+	 * @return array
+	 */
+	public function stat($uri) {
+		$result = @smbclient_stat($this->state, $uri);
+
+		$this->testResult($result, $uri);
+		return $result;
+	}
+
+	/**
+	 * @param resource $file
+	 * @return array
+	 */
+	public function fstat($file) {
+		$result = @smbclient_fstat($this->state, $file);
+
+		$this->testResult($result, $file);
+		return $result;
+	}
+
+	/**
+	 * @param string $uri
+	 * @param string $mode
+	 * @param int $mask
+	 * @return resource
+	 */
+	public function open($uri, $mode, $mask = 0666) {
+		$result = @smbclient_open($this->state, $uri, $mode, $mask);
+
+		$this->testResult($result, $uri);
+		return $result;
+	}
+
+	/**
+	 * @param string $uri
+	 * @param int $mask
+	 * @return resource
+	 */
+	public function create($uri, $mask = 0666) {
+		$result = @smbclient_creat($this->state, $uri, $mask);
+
+		$this->testResult($result, $uri);
+		return $result;
+	}
+
+	/**
+	 * @param resource $file
+	 * @param int $bytes
+	 * @return string
+	 */
+	public function read($file, $bytes) {
+		$result = @smbclient_read($this->state, $file, $bytes);
+
+		$this->testResult($result, $file);
+		return $result;
+	}
+
+	/**
+	 * @param resource $file
+	 * @param string $data
+	 * @param int $length
+	 * @return int
+	 */
+	public function write($file, $data, $length = null) {
+		$result = @smbclient_write($this->state, $file, $data, $length);
+
+		$this->testResult($result, $file);
+		return $result;
+	}
+
+	/**
+	 * @param resource $file
+	 * @param int $offset
+	 * @param int $whence SEEK_SET | SEEK_CUR | SEEK_END
+	 * @return int|bool new file offset as measured from the start of the file on success, false on failure.
+	 */
+	public function lseek($file, $offset, $whence = SEEK_SET) {
+		$result = @smbclient_lseek($this->state, $file, $offset, $whence);
+
+		$this->testResult($result, $file);
+		return $result;
+	}
+
+	/**
+	 * @param resource $file
+	 * @param int $size
+	 * @return bool
+	 */
+	public function ftruncate($file, $size) {
+		$result = @smbclient_ftruncate($this->state, $file, $size);
+
+		$this->testResult($result, $file);
+		return $result;
+	}
+
+	public function close($file) {
+		$result = @smbclient_close($this->state, $file);
+
+		$this->testResult($result, $file);
+		return $result;
+	}
+
+	/**
+	 * @param string $uri
+	 * @param string $key
+	 * @return string
+	 */
+	public function getxattr($uri, $key) {
+		$result = @smbclient_getxattr($this->state, $uri, $key);
+
+		$this->testResult($result, $uri);
+		return $result;
+	}
+
+	/**
+	 * @param string $uri
+	 * @param string $key
+	 * @param string $value
+	 * @param int $flags
+	 * @return mixed
+	 */
+	public function setxattr($uri, $key, $value, $flags = 0) {
+		$result = @smbclient_setxattr($this->state, $uri, $key, $value, $flags);
+
+		$this->testResult($result, $uri);
+		return $result;
+	}
+
+	public function __destruct() {
+		if ($this->connected) {
+			smbclient_state_free($this->state);
+		}
+	}
+}