New SMB storage backend

1 files changed, 114 insertions, 0 deletions

diff --git a/apps/files_external/3rdparty/icewind/smb/src/NativeStream.php b/apps/files_external/3rdparty/icewind/smb/src/NativeStream.php
new file mode 100644
index 00000000000..07bd2f1e797
--- /dev/null
+++ b/apps/files_external/3rdparty/icewind/smb/src/NativeStream.php
@@ -0,0 +1,114 @@
+<?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;
+
+use Icewind\SMB\Exception\InvalidRequestException;
+use Icewind\Streams\File;
+
+class NativeStream implements File {
+	/**
+	 * @var resource
+	 */
+	public $context;
+
+	/**
+	 * @var \Icewind\SMB\NativeState
+	 */
+	private $state;
+
+	/**
+	 * @var resource
+	 */
+	private $handle;
+
+	/**
+	 * @var bool
+	 */
+	private $eof = false;
+
+	/**
+	 * Wrap a stream from libsmbclient-php into a regular php stream
+	 *
+	 * @param \Icewind\SMB\NativeState $state
+	 * @param resource $smbStream
+	 * @param string $mode
+	 * @return resource
+	 */
+	public static function wrap($state, $smbStream, $mode) {
+		stream_wrapper_register('nativesmb', '\Icewind\SMB\NativeStream');
+		$context = stream_context_create(array(
+			'nativesmb' => array(
+				'state' => $state,
+				'handle' => $smbStream
+			)
+		));
+		$fh = fopen('nativesmb://', $mode, false, $context);
+		stream_wrapper_unregister('nativesmb');
+		return $fh;
+	}
+
+	public function stream_close() {
+		return $this->state->close($this->handle);
+	}
+
+	public function stream_eof() {
+		return $this->eof;
+	}
+
+	public function stream_flush() {
+	}
+
+
+	public function stream_open($path, $mode, $options, &$opened_path) {
+		$context = stream_context_get_options($this->context);
+		$this->state = $context['nativesmb']['state'];
+		$this->handle = $context['nativesmb']['handle'];
+		return true;
+	}
+
+	public function stream_read($count) {
+		$result = $this->state->read($this->handle, $count);
+		if (strlen($result) < $count) {
+			$this->eof = true;
+		}
+		return $result;
+	}
+
+	public function stream_seek($offset, $whence = SEEK_SET) {
+		$this->eof = false;
+		try {
+			return $this->state->lseek($this->handle, $offset, $whence) !== false;
+		} catch (InvalidRequestException $e) {
+			return false;
+		}
+	}
+
+	public function stream_stat() {
+		return $this->state->fstat($this->handle);
+	}
+
+	public function stream_tell() {
+		return $this->state->lseek($this->handle, 0, SEEK_CUR);
+	}
+
+	public function stream_write($data) {
+		return $this->state->write($this->handle, $data);
+	}
+
+	public function stream_truncate($size) {
+		return $this->state->ftruncate($this->handle, $size);
+	}
+
+	public function stream_set_option($option, $arg1, $arg2) {
+		return false;
+	}
+
+	public function stream_lock($operation) {
+		return false;
+	}
+}