From e9f33f9a01ef388bb612d5aa0eece7a2379976f7 Mon Sep 17 00:00:00 2001
From: M_Viper <admin@m-viper.de>
Date: Sun, 10 Mar 2024 15:33:59 +0000
Subject: [PATCH] Dateien nach "includes/PHPExcel/Classes/PHPExcel/Shared/OLE"
 hochladen

---
 .../Shared/OLE/ChainedBlockStream.php         | 222 +++++++++++++++++
 .../Classes/PHPExcel/Shared/OLE/PPS.php       | 230 ++++++++++++++++++
 2 files changed, 452 insertions(+)
 create mode 100644 includes/PHPExcel/Classes/PHPExcel/Shared/OLE/ChainedBlockStream.php
 create mode 100644 includes/PHPExcel/Classes/PHPExcel/Shared/OLE/PPS.php

diff --git a/includes/PHPExcel/Classes/PHPExcel/Shared/OLE/ChainedBlockStream.php b/includes/PHPExcel/Classes/PHPExcel/Shared/OLE/ChainedBlockStream.php
new file mode 100644
index 0000000..0736fc2
--- /dev/null
+++ b/includes/PHPExcel/Classes/PHPExcel/Shared/OLE/ChainedBlockStream.php
@@ -0,0 +1,222 @@
+<?php
+/**
+ * PHPExcel
+ *
+ * Copyright (C) 2006 - 2014 PHPExcel
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * @category   PHPExcel
+ * @package    PHPExcel_Shared_OLE
+ * @copyright  Copyright (c) 2006 - 2007 Christian Schmidt
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version ##VERSION##, ##DATE##
+ */
+
+/**
+ * PHPExcel_Shared_OLE_ChainedBlockStream
+ *
+ * Stream wrapper for reading data stored in an OLE file. Implements methods
+ * for PHP's stream_wrapper_register(). For creating streams using this
+ * wrapper, use PHPExcel_Shared_OLE_PPS_File::getStream().
+ *
+ * @category   PHPExcel
+ * @package    PHPExcel_Shared_OLE
+ */
+class PHPExcel_Shared_OLE_ChainedBlockStream
+{
+	/**
+	 * The OLE container of the file that is being read.
+	 * @var OLE
+	 */
+	public $ole;
+
+	/**
+	 * Parameters specified by fopen().
+	 * @var array
+	 */
+	public $params;
+
+	/**
+	 * The binary data of the file.
+	 * @var  string
+	 */
+	public $data;
+
+	/**
+	 * The file pointer.
+	 * @var  int  byte offset
+	 */
+	public $pos;
+
+	/**
+	 * Implements support for fopen().
+	 * For creating streams using this wrapper, use OLE_PPS_File::getStream().
+	 *
+	 * @param	string	$path			resource name including scheme, e.g.
+	 *									ole-chainedblockstream://oleInstanceId=1
+	 * @param	string	$mode			only "r" is supported
+	 * @param	int		$options		mask of STREAM_REPORT_ERRORS and STREAM_USE_PATH
+	 * @param	string  &$openedPath	absolute path of the opened stream (out parameter)
+	 * @return	bool    true on success
+	 */
+	public function stream_open($path, $mode, $options, &$openedPath)
+	{
+		if ($mode != 'r') {
+			if ($options & STREAM_REPORT_ERRORS) {
+				trigger_error('Only reading is supported', E_USER_WARNING);
+			}
+			return false;
+		}
+
+		// 25 is length of "ole-chainedblockstream://"
+		parse_str(substr($path, 25), $this->params);
+		if (!isset($this->params['oleInstanceId'],
+				   $this->params['blockId'],
+				   $GLOBALS['_OLE_INSTANCES'][$this->params['oleInstanceId']])) {
+
+			if ($options & STREAM_REPORT_ERRORS) {
+				trigger_error('OLE stream not found', E_USER_WARNING);
+			}
+			return false;
+		}
+		$this->ole = $GLOBALS['_OLE_INSTANCES'][$this->params['oleInstanceId']];
+
+		$blockId = $this->params['blockId'];
+		$this->data = '';
+		if (isset($this->params['size']) &&
+			$this->params['size'] < $this->ole->bigBlockThreshold &&
+			$blockId != $this->ole->root->_StartBlock) {
+
+			// Block id refers to small blocks
+			$rootPos = $this->ole->_getBlockOffset($this->ole->root->_StartBlock);
+			while ($blockId != -2) {
+				$pos = $rootPos + $blockId * $this->ole->bigBlockSize;
+				$blockId = $this->ole->sbat[$blockId];
+				fseek($this->ole->_file_handle, $pos);
+				$this->data .= fread($this->ole->_file_handle, $this->ole->bigBlockSize);
+			}
+		} else {
+			// Block id refers to big blocks
+			while ($blockId != -2) {
+				$pos = $this->ole->_getBlockOffset($blockId);
+				fseek($this->ole->_file_handle, $pos);
+				$this->data .= fread($this->ole->_file_handle, $this->ole->bigBlockSize);
+				$blockId = $this->ole->bbat[$blockId];
+			}
+		}
+		if (isset($this->params['size'])) {
+			$this->data = substr($this->data, 0, $this->params['size']);
+		}
+
+		if ($options & STREAM_USE_PATH) {
+			$openedPath = $path;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Implements support for fclose().
+	 *
+	 */
+	public function stream_close()
+	{
+		$this->ole = null;
+		unset($GLOBALS['_OLE_INSTANCES']);
+	}
+
+	/**
+	 * Implements support for fread(), fgets() etc.
+	 *
+	 * @param   int		$count	maximum number of bytes to read
+	 * @return  string
+	 */
+	public function stream_read($count)
+	{
+		if ($this->stream_eof()) {
+			return false;
+		}
+		$s = substr($this->data, $this->pos, $count);
+		$this->pos += $count;
+		return $s;
+	}
+
+	/**
+	 * Implements support for feof().
+	 *
+	 * @return  bool  TRUE if the file pointer is at EOF; otherwise FALSE
+	 */
+	public function stream_eof()
+	{
+		return $this->pos >= strlen($this->data);
+	}
+
+	/**
+	 * Returns the position of the file pointer, i.e. its offset into the file
+	 * stream. Implements support for ftell().
+	 *
+	 * @return  int
+	 */
+	public function stream_tell()
+	{
+		return $this->pos;
+	}
+
+	/**
+	 * Implements support for fseek().
+	 *
+	 * @param	int		$offset	byte offset
+	 * @param	int		$whence	SEEK_SET, SEEK_CUR or SEEK_END
+	 * @return	bool
+	 */
+	public function stream_seek($offset, $whence)
+	{
+		if ($whence == SEEK_SET && $offset >= 0) {
+			$this->pos = $offset;
+		} elseif ($whence == SEEK_CUR && -$offset <= $this->pos) {
+			$this->pos += $offset;
+		} elseif ($whence == SEEK_END && -$offset <= sizeof($this->data)) {
+			$this->pos = strlen($this->data) + $offset;
+		} else {
+			return false;
+		}
+		return true;
+	}
+
+	/**
+	 * Implements support for fstat(). Currently the only supported field is
+	 * "size".
+	 * @return  array
+	 */
+	public function stream_stat()
+	{
+		return array(
+			'size' => strlen($this->data),
+			);
+	}
+
+	// Methods used by stream_wrapper_register() that are not implemented:
+	// bool stream_flush ( void )
+	// int stream_write ( string data )
+	// bool rename ( string path_from, string path_to )
+	// bool mkdir ( string path, int mode, int options )
+	// bool rmdir ( string path, int options )
+	// bool dir_opendir ( string path, int options )
+	// array url_stat ( string path, int flags )
+	// string dir_readdir ( void )
+	// bool dir_rewinddir ( void )
+	// bool dir_closedir ( void )
+}
diff --git a/includes/PHPExcel/Classes/PHPExcel/Shared/OLE/PPS.php b/includes/PHPExcel/Classes/PHPExcel/Shared/OLE/PPS.php
new file mode 100644
index 0000000..4db0ae4
--- /dev/null
+++ b/includes/PHPExcel/Classes/PHPExcel/Shared/OLE/PPS.php
@@ -0,0 +1,230 @@
+<?php
+/* vim: set expandtab tabstop=4 shiftwidth=4: */
+// +----------------------------------------------------------------------+
+// | PHP Version 4                                                        |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1997-2002 The PHP Group                                |
+// +----------------------------------------------------------------------+
+// | This source file is subject to version 2.02 of the PHP license,      |
+// | that is bundled with this package in the file LICENSE, and is        |
+// | available at through the world-wide-web at                           |
+// | http://www.php.net/license/2_02.txt.                                 |
+// | If you did not receive a copy of the PHP license and are unable to   |
+// | obtain it through the world-wide-web, please send a note to          |
+// | license@php.net so we can mail you a copy immediately.               |
+// +----------------------------------------------------------------------+
+// | Author: Xavier Noguer <xnoguer@php.net>                              |
+// | Based on OLE::Storage_Lite by Kawai, Takanori                        |
+// +----------------------------------------------------------------------+
+//
+// $Id: PPS.php,v 1.7 2007/02/13 21:00:42 schmidt Exp $
+
+
+/**
+* Class for creating PPS's for OLE containers
+*
+* @author   Xavier Noguer <xnoguer@php.net>
+* @category PHPExcel
+* @package  PHPExcel_Shared_OLE
+*/
+class PHPExcel_Shared_OLE_PPS
+{
+	/**
+	* The PPS index
+	* @var integer
+	*/
+	public $No;
+
+	/**
+	* The PPS name (in Unicode)
+	* @var string
+	*/
+	public $Name;
+
+	/**
+	* The PPS type. Dir, Root or File
+	* @var integer
+	*/
+	public $Type;
+
+	/**
+	* The index of the previous PPS
+	* @var integer
+	*/
+	public $PrevPps;
+
+	/**
+	* The index of the next PPS
+	* @var integer
+	*/
+	public $NextPps;
+
+	/**
+	* The index of it's first child if this is a Dir or Root PPS
+	* @var integer
+	*/
+	public $DirPps;
+
+	/**
+	* A timestamp
+	* @var integer
+	*/
+	public $Time1st;
+
+	/**
+	* A timestamp
+	* @var integer
+	*/
+	public $Time2nd;
+
+	/**
+	* Starting block (small or big) for this PPS's data  inside the container
+	* @var integer
+	*/
+	public $_StartBlock;
+
+	/**
+	* The size of the PPS's data (in bytes)
+	* @var integer
+	*/
+	public $Size;
+
+	/**
+	* The PPS's data (only used if it's not using a temporary file)
+	* @var string
+	*/
+	public $_data;
+
+	/**
+	* Array of child PPS's (only used by Root and Dir PPS's)
+	* @var array
+	*/
+	public $children = array();
+
+	/**
+	* Pointer to OLE container
+	* @var OLE
+	*/
+	public $ole;
+
+	/**
+	* The constructor
+	*
+	* @access public
+	* @param integer $No   The PPS index
+	* @param string  $name The PPS name
+	* @param integer $type The PPS type. Dir, Root or File
+	* @param integer $prev The index of the previous PPS
+	* @param integer $next The index of the next PPS
+	* @param integer $dir  The index of it's first child if this is a Dir or Root PPS
+	* @param integer $time_1st A timestamp
+	* @param integer $time_2nd A timestamp
+	* @param string  $data  The (usually binary) source data of the PPS
+	* @param array   $children Array containing children PPS for this PPS
+	*/
+	public function __construct($No, $name, $type, $prev, $next, $dir, $time_1st, $time_2nd, $data, $children)
+	{
+		$this->No      = $No;
+		$this->Name    = $name;
+		$this->Type    = $type;
+		$this->PrevPps = $prev;
+		$this->NextPps = $next;
+		$this->DirPps  = $dir;
+		$this->Time1st = $time_1st;
+		$this->Time2nd = $time_2nd;
+		$this->_data      = $data;
+		$this->children   = $children;
+		if ($data != '') {
+			$this->Size = strlen($data);
+		} else {
+			$this->Size = 0;
+		}
+	}
+
+	/**
+	* Returns the amount of data saved for this PPS
+	*
+	* @access public
+	* @return integer The amount of data (in bytes)
+	*/
+	public function _DataLen()
+	{
+		if (!isset($this->_data)) {
+			return 0;
+		}
+		//if (isset($this->_PPS_FILE)) {
+		//	fseek($this->_PPS_FILE, 0);
+		//	$stats = fstat($this->_PPS_FILE);
+		//	return $stats[7];
+		//} else {
+			return strlen($this->_data);
+		//}
+	}
+
+	/**
+	* Returns a string with the PPS's WK (What is a WK?)
+	*
+	* @access public
+	* @return string The binary string
+	*/
+	public function _getPpsWk()
+	{
+		$ret = str_pad($this->Name,64,"\x00");
+
+		$ret .= pack("v", strlen($this->Name) + 2)  // 66
+			  . pack("c", $this->Type)              // 67
+			  . pack("c", 0x00) //UK                // 68
+			  . pack("V", $this->PrevPps) //Prev    // 72
+			  . pack("V", $this->NextPps) //Next    // 76
+			  . pack("V", $this->DirPps)  //Dir     // 80
+			  . "\x00\x09\x02\x00"                  // 84
+			  . "\x00\x00\x00\x00"                  // 88
+			  . "\xc0\x00\x00\x00"                  // 92
+			  . "\x00\x00\x00\x46"                  // 96 // Seems to be ok only for Root
+			  . "\x00\x00\x00\x00"                  // 100
+			  . PHPExcel_Shared_OLE::LocalDate2OLE($this->Time1st)       // 108
+			  . PHPExcel_Shared_OLE::LocalDate2OLE($this->Time2nd)       // 116
+			  . pack("V", isset($this->_StartBlock)?
+						$this->_StartBlock:0)        // 120
+			  . pack("V", $this->Size)               // 124
+			  . pack("V", 0);                        // 128
+		return $ret;
+	}
+
+	/**
+	* Updates index and pointers to previous, next and children PPS's for this
+	* PPS. I don't think it'll work with Dir PPS's.
+	*
+	* @access public
+	* @param array &$raList Reference to the array of PPS's for the whole OLE
+	*                          container
+	* @return integer          The index for this PPS
+	*/
+	public static function _savePpsSetPnt(&$raList, $to_save, $depth = 0)
+	{
+		if ( !is_array($to_save) || (empty($to_save)) ) {
+			return 0xFFFFFFFF;
+		} elseif( count($to_save) == 1 ) {
+			$cnt = count($raList);
+			// If the first entry, it's the root... Don't clone it!
+			$raList[$cnt] = ( $depth == 0 ) ? $to_save[0] : clone $to_save[0];
+			$raList[$cnt]->No = $cnt;
+			$raList[$cnt]->PrevPps = 0xFFFFFFFF;
+			$raList[$cnt]->NextPps = 0xFFFFFFFF;
+			$raList[$cnt]->DirPps  = self::_savePpsSetPnt($raList, @$raList[$cnt]->children, $depth++);
+		} else {
+			$iPos  = floor(count($to_save) / 2);
+			$aPrev = array_slice($to_save, 0, $iPos);
+			$aNext = array_slice($to_save, $iPos + 1);
+			$cnt   = count($raList);
+			// If the first entry, it's the root... Don't clone it!
+			$raList[$cnt] = ( $depth == 0 ) ? $to_save[$iPos] : clone $to_save[$iPos];
+			$raList[$cnt]->No = $cnt;
+			$raList[$cnt]->PrevPps = self::_savePpsSetPnt($raList, $aPrev, $depth++);
+			$raList[$cnt]->NextPps = self::_savePpsSetPnt($raList, $aNext, $depth++);
+			$raList[$cnt]->DirPps  = self::_savePpsSetPnt($raList, @$raList[$cnt]->children, $depth++);
+
+		}
+		return $cnt;
+	}
+}