AutoIndex-pl4/classes/FileItem.php

<?php
/**
 * @package AutoIndex
 *
 * @copyright Copyright (C) 2002-2004 Justin Hagstrom, 2019-2025 Florin C Bodin aka orynider at github.com
 * @license http://www.gnu.org/licenses/gpl.html GNU General Public License (GPL)
 * @version $Id: FileItem.php, v 2.2.6 2025/09/08 19:25:08 orynider Exp $
 * @link http://autoindex.sourceforge.net
 */

/*
   AutoIndex PHP Script is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   AutoIndex PHP Script 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

if (!defined('IN_AUTOINDEX') || !IN_AUTOINDEX)
{
	die('bad class init...');
}

/**
 * Subclass of item that specifically represents a file.
 *
 * @author Justin Hagstrom <JustinHagstrom@yahoo.com>
 * @version 1.0.1 (July 10, 2004)
 * @package AutoIndex
 */
class FileItem extends Item
{
	/**
	 * @param string $fn The filename
	 * @return string Everything after the list dot in the filename, not including the dot
	 */
	public static function ext($fn, $ext = true)
	{
		$fn = Item::get_basename($fn);
		
		switch($ext)
		{
			case false:
				return (strpos($fn, '.') ? substr($fn, 0, strrpos($fn, '.')) : $fn);
			break;

			default:
				return (strpos($fn, '.') ? strtolower(substr(strrchr($fn, '.'), 1)) : '');
			break;
		}					
	}
	
	/**
	 * @return string Returns the name of the filename
	 * @see FileItem::ext()
	 */
	public function file_name()
	{
		return self::ext($this->filename, false);
	}
	
	/**
	 * @return string Returns the extension of the filename
	 * @see FileItem::ext()
	 */
	public function file_ext()
	{
		return self::ext($this->filename);
	}	
	/**
	 * @param string $parent_dir
	 * @param string $filename
	 */
	public function __construct($parent_dir, $filename)
	{
		parent::__construct($parent_dir, $filename);
		if (!is_file($this->parent_dir . $filename))
		{
			throw new ExceptionDisplay('File <em>' . Url::html_output($this->parent_dir . $filename) . '</em> does not exist.');
		}
		global $config, $words, $downloads, $request;
		
		$version_compare = explode(".", phpversion(), 3);
		if ($version_compare[0] == '' || $version_compare[1] == '')
		{
			$phpversion = '5.4';
		}
		else
		{
			$phpversion = $version_compare[0] . '.' . $version_compare[1];
		}
			
		$this->filename = $filename;
		$this->size = new Size(filesize($this->parent_dir . $filename));
		if (ICON_PATH)
		{
			$file_icon = new Icon($filename);
			$this->icon = $file_icon->__toString();
		}
		$this->downloads = (DOWNLOAD_COUNT && $downloads->is_set($parent_dir . $filename) ? (int)($downloads->__get($parent_dir . $filename)) : 0);
		$this->link = Url::html_output($request->server('PHP_SELF')) . '?dir=' . Url::translate_uri(substr($this->parent_dir, strlen($config->__get('base_dir')))) . '&amp;file=' . Url::translate_uri($filename);
		
		if (THUMBNAIL_HEIGHT && in_array(self::ext($filename), array('png', 'jpg', 'jpeg', 'jfif', 'gif', 'bmp')))
		{
			$this->thumb_link = ' <img src="' . Url::html_output($request->server('PHP_SELF'))
			. '?thumbnail='. Url::translate_uri($this->parent_dir . $filename) . '"' 
			. ' alt="' . $words->__get('thumbnail of') . ' ' . $filename . '"' 
			. ' />';
			$this->thumb_link .= ' <a href="' . Url::html_output($request->server('PHP_SELF'))
			. '?thm='. Url::translate_uri($this->parent_dir . $filename) . '"' 
			. ' alt="' . $words->__get('thumbnail of') . ' ' . $filename . '"' 
			. ' >' . $words->__get('view') . ' ' . $words->__get('file') . '</a>';
		}
		
		if (in_array(self::ext($filename), array('svg', 'SVG')))
		{
			$svgcontent = false;		
			$svgcontent = file_get_contents(Url::translate_uri($this->parent_dir . $filename));
			$width = $height = '32';
			//<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16" fill="context-fill">
			$contentsvg = explode('<svg', $svgcontent);
			//xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 32 32">
			$content = explode('=', $contentsvg[1]);
			//[0] => xmlns [1] => "http://www.w3.org/2000/svg" width [2] => "32" height [3] => "32" viewBox [4] => "0 0 32 32">			
			if(preg_match('/<svg\s[^>]*width=\"(.*)\"\/>/isU', '<svg '.$contentsvg[1], $width))
			{
				$width = explode('" ', $content[2]);
				$width = !empty($width[0]) ? str_replace('"', '', $width[0]) : '32';
				$width = ($width < '14') ? '32' : $width;
				$width = ($width == '100%') ? '400' : $width;

			}
			else
			{
				$width = '200';
				$height = '200';

			}			
			$svgcontent = str_replace('width="100%"', 'width="'.$width.'"', $svgcontent);
			$svgcontent = str_replace('height="100%"', 'height="'.$height.'"', $svgcontent);
			if (version_compare($phpversion, "6.0", ">")) 
			{
				//die("you're on ".$phpversion." or bellow".phpversion().' &'.print_R($version_compare, true));
				$svgcontent = ($width > '400') ? str_replace($width, $width / 1.1, $svgcontent) : $svgcontent;			
				$svgcontent = ($width < '24') ? str_replace($width, $width * 1.5 * 2, $svgcontent) : $svgcontent;			

			}
			else
			{
				//die("you're on ".$phpversion." or above: ".phpversion().' &'.print_R($version_compare, true));
				$svgcontent = ($width > '400') ? str_replace($width, '200', $svgcontent) : $svgcontent;			
				$svgcontent = ($width < '24') ? str_replace($width, '24', $svgcontent) : $svgcontent;				
			}			
			
			$svgcontent = ('edit.svg' === basename($filename)) ? str_replace($width, '200', $svgcontent) : $svgcontent;			
			if(preg_match_all('/<svg\s[^>]*height=\"(.*)\"\/>/isU', '<svg '.$contentsvg[1], $height))
			{
				$height = explode('" ', $content[3]);
				$height = !empty($height[0]) ? str_replace('"', '', $height[0]) : '32';
			}	
			if (version_compare($phpversion, "6.0", ">")) 
			{
				//die("you're on ".$phpversion." or bellow".phpversion().' &'.print_R($version_compare, true));
				$svgcontent = ($width > '400') ? str_replace($width, $width / 1.1, $svgcontent) : $svgcontent;			
				$svgcontent = ($width < '24') ? str_replace($width, $width * 1.5 * 2, $svgcontent) : $svgcontent;			

			}
			else
			{
				//die("you're on ".$phpversion." or above: ".phpversion().' &'.print_R($version_compare, true));
				$svgcontent = ($width > '400') ? str_replace($width, '200', $svgcontent) : $svgcontent;			
				$svgcontent = ($width < '24') ? str_replace($width, '24', $svgcontent) : $svgcontent;			
			}			
			$svgcontent = ('<edit.svg>' === basename($filename)) ? str_replace($height, '200', $svgcontent) : $svgcontent;			
			if(preg_match_all('/<svg\s[^>]*viewBox=\"(.*)\"\/>/isU', '<svg '.$contentsvg[1], $viewBox))
			{
				$viewBox = explode('" ', $content[4]);
				$viewBox = str_replace('"', '', $viewBox[0]);
			}			
			$this->thumb_link = '<a title="'.trim(basename($filename)).'" href="'.Url::html_output($this->parent_dir . $filename).'">'.$svgcontent.'</a>';
		}		
		
		if (THUMBNAIL_HEIGHT && in_array(self::ext($filename), array('thm', 'thm')))
		{
			$this->thumb_link = ' <img src="' . Url::html_output($request->server('PHP_SELF'))
			. '?thm='. Url::translate_uri($this->parent_dir . $filename) . '"' 
			. ' alt="' . $words->__get('thumbnail of') . ' ' . $filename . '"' 
			. ' />';
			$this->thumb_link .= ' <a href="' . Url::html_output($request->server('PHP_SELF'))
			. '?thm='. Url::translate_uri($this->parent_dir . $filename) . '"' 
			. ' alt="' . $words->__get('thumbnail of') . ' ' . $filename . '"' 
			. ' >' . $words->__get('view') . ' ' . $words->__get('file') . '</a>';
		}
		
		if (THUMBNAIL_HEIGHT && in_array(self::ext($filename), array('avi', 'divx', 'xvid', 'mkv', 'asf', 'mov', 'wmv', '3gp', 'mp3', 'mp4', 'mpv', 'ogg', 'ogv','mpg', 'mpeg', 'flv', 'FLV', 'flvjs')))
		{
			$mime = new MimeType($filename);
			$finfo = finfo_open(FILEINFO_MIME_TYPE);
			//Display correct headers for media file
			$mimetype = finfo_file($finfo, $this->parent_dir . $filename);
			$file_size = function_exists('getvideosize') ? getvideosize($this->parent_dir . $filename) : array();
			$file_mime = function_exists('getvideosize') ? $file_size['mime'] : $mime->__toString();
			$this->thumb_link = '';

			if (function_exists('imagecreatefromavi') && in_array(self::ext($filename), array('avi', 'divx', 'xvid')))
			{
				$this->thumb_link .= ' <video controls="play" src="' . Url::translate_uri($this->parent_dir . $filename) . '"'  
				. ' poster="' . Url::html_output($request->server('PHP_SELF'))  . '"' 
				. ' type="' . $file_mime . ', ' . $mimetype . ', video/' . self::ext($filename) .'"' 
				. ' />Your browser does not support the <code>video</code> element.'
				. '<source src="' . Url::html_output($request->server('PHP_SELF')) . '" type="video/' . self::ext($filename) . '" />'
				. '</video> ';
				 
				$this->thumb_link .= '</br><img src="' . Url::html_output($request->server('PHP_SELF'))
				. '?thumbnail='. Url::translate_uri($this->parent_dir . $filename) . '"' 
				. ' alt="' . $words->__get('thumbnail of') . ' ' . $filename . '"' 
				. ' />';
				
			}
			elseif (in_array(self::ext($filename), array('avi', 'divx', 'xvid', 'mkv', 'asf', 'mov', 'wmv', '3gp', 'mp4', 'mpv', 'ogv', 'mpg', 'mpeg')))
			{				
				$video_href = Url::html_output($request->server('PHP_SELF')) . '?thm='. Url::translate_uri($this->parent_dir . $filename);
				$thumbnail = Url::html_output($request->server('PHP_SELF')) . '?thumbnail='. Url::translate_uri($this->parent_dir . $filename);
				
				$this->thumb_link .= ' <video id="'.$filename.'" controls />'
				. '<source src="' . $video_href . '" type="video/'. self::ext($filename) .'" />'
				. '<p>Your user agent does not support the HTML5 Video element.</p></video>';
				// if (in_array(self::ext($filename), array('avi', 'divx', 'mp4', 'mpg'))) {				
					$this->thumb_link .='<button type="button" onclick="vid_play_pause()">Play/Pause</button>
					<script>
					function vid_play_pause() 
					{
					  var myVideo = document.getElementById('.$filename.');
					  if (myVideo.paused) 
					  {
						myVideo.play();
					  } 
					  else 
					  {
						myVideo.pause();
					  }
					}
					</script>';
				//}
				
				$this->thumb_link .= '</br><img src="' . Url::html_output($request->server('PHP_SELF'))
				. '?thumbnail='. Url::translate_uri($this->parent_dir . $filename) . '"' 
				. ' alt="' . $words->__get('thumbnail of') . ' ' . $filename . '"' 
				. ' />';
				
				$this->thumb_link .= ' <a href="' . Url::html_output($request->server('PHP_SELF'))
				. '?thm='. Url::translate_uri($this->parent_dir . $filename) . '"' 
				. ' alt="' . $words->__get('thumbnail of') . ' ' . $filename . '"' 
				. ' >' . $words->__get('view') . ' ' . $words->__get('file') . '</a>';
				
			}
			elseif (in_array(self::ext($filename), array('flv', 'FLV', 'flvjs')))
			{				
				$video_href = Url::html_output($request->server('PHP_SELF')) . '?thm='. Url::translate_uri($this->parent_dir . $filename);
				$thumbnail = Url::html_output($request->server('PHP_SELF')) . '?thumbnail='. Url::translate_uri($this->parent_dir . $filename);
				
				$this->thumb_link .= '<script src="'.$config->__get('assets_path').'/javascript/flv.min.js"></script>';
				$this->thumb_link .='<VIDEO controls="play" type="video/flv" id="videoElement" src="'.$video_href.'" loop="false" allowfullscreen="true" quality="high" width="425" height="360" scale="noscale" salign="lt" name="flvPlayer" align="center" bgcolor="#E3F0FB">
				<script>
				if (flvjs.isSupported()) 
				{
					var videoElement = document.getElementById(videoElement);
					var flvPlayer = flvjs.createPlayer({
						type: flv,
						url: '.$video_href.'
					});
					flvPlayer.attachMediaElement(videoElement);
					flvPlayer.load();
					flvPlayer.play();
				}
				</script>
				<source src="' . $video_href . '" type="video/'. self::ext($filename) .'" />
				</VIDEO>';						
				$this->thumb_link .= ' <a href="' . Url::html_output($request->server('PHP_SELF'))
				. '?thm='. Url::translate_uri($this->parent_dir . $filename) . '"' 
				. ' alt="' . $words->__get('thumbnail of') . ' ' . $filename . '"' 
				. ' >' . $words->__get('view') . ' ' . $words->__get('file') . '</a>';
				
			}
			elseif (in_array(self::ext($filename), array('MP3', 'mp3', 'ogg')))
			{
				//<!-- audio tag starts here -->	
				$this->thumb_link .= ' <audio controls="play" src="' . Url::html_output($request->server('PHP_SELF'))
				. '?thm='. Url::translate_uri($this->parent_dir . $filename) . '"' 
				. ' poster="' . Url::html_output($request->server('PHP_SELF'))  . '"' 
				. ' type="' . $file_mime . ', ' . $mimetype . ', audio/' . self::ext($filename) .'"'
				. ' />Your browser does not support the <code>audio</code> element.'
				.	'<source src="' . Url::html_output($request->server('PHP_SELF')) . '" type="audio/' . self::ext($filename) . '" />'
				. '</audio> ';
				//<!-- audio tag ends here -->
			}
			else
			{
				$this->thumb_link .= ' <video controls="play" src="' . Url::html_output($request->server('PHP_SELF'))
				. '?thm='. Url::translate_uri($this->parent_dir . $filename) . '"' 
				. ' poster="' . Url::html_output($request->server('PHP_SELF'))  . '"' 
				. ' type="' . $file_mime . ', ' . $mimetype . ', application/octet-stream"' 
				. ' />Your browser does not support the <code>video</code> element.</video> ';
				
				$this->thumb_link .= ' <a href="' . Url::html_output($request->server('PHP_SELF'))
				. '?thm='. Url::translate_uri($this->parent_dir . $filename) . '"' 
				. ' alt="' . $words->__get('thumbnail of') . ' ' . $filename . '"' 
				. ' >' . $words->__get('view') . ' ' . $words->__get('file') . '</a>';
				
			}
		}
		$size = $this->size->__get('bytes');
		/* */
		if (($size < 1048576000) && in_array(self::ext($filename), array('pdf', 'PDF')))
		{
			$icon_pdf = ICON_PATH ? Url::translate_uri($config->__get('icon_path') . 'pdf.png') : Url::translate_uri($this->parent_dir . $filename);
			$heightwidth = in_array(self::ext($filename), array('pdf', 'PDF')) ?  ' height="' . '150'  . '" width="' . '150'  . '" ' : ' '; 
			
			$this->thumb_link .= ' <img src="' . Url::html_output($request->server('PHP_SELF')) 
			. '?thumbnail='. Url::translate_uri($this->parent_dir . $filename) . '"' 
			. ' alt="' . $words->__get('thumbnail of') . ' ' . $filename . '"'	. ' />';
			
			$date = array();
			$stringedPDF = $contentpdf = $creationdate = $str_time = $creation_time = $time = false;		
			$pfdcontent = file_get_contents(Url::html_output($this->parent_dir . $filename));
			if (preg_match('/CreationDate\\s*\\(D:([0-9]{14})/', $pfdcontent, $date))
			{			
				$creation_time = $date[1]; //echo(' date: ' . $creation_time); //date format: YYYYMMDDHHMMSS 2025 03 30  -  09 44 53
				$split = date_parse_from_format('Ymdhis', $creation_time);
				
				//echo(date ("F d Y H:i:s.", filemtime(Url::translate_uri($this->parent_dir . $filename))));
				//echo(' ' . $split['year'] .' '. $split['month'] .' '. $split['day'] .' '. $split['hour'] .' '. $split['minute'] .' '. $split['second']);
				
				$str_time = $split['year']."-".$split['month']."-".$split['day']." ".$split['hour'].":".$split['minute'].":".$split['second'];
				$time = strtotime($split['year']."-".$split['month']."-".$split['day']." ".$split['hour'].":".$split['minute'].":".$split['second']);
				
				if ($request->is_request('restorecdate', TYPE_NO_TAGS) && touch(Url::translate_uri($this->parent_dir . $filename), $time)) 
				{
					$creationdate = date("Y-m-d H:i:s", filemtime(Url::translate_uri($this->parent_dir . $filename)));
				}
				else
				{
					$creationdate = date("Y-m-d H:i:s", $time);
				}
			}
			else if (preg_match('/ModDate\\s*\\(D:([0-9]{14})/', $pfdcontent, $date))
			{			
				$creation_time = $date[1]; 
				$split = date_parse_from_format('Ymdhis', $creation_time);
				
				$str_time = $split['year']."-".$split['month']."-".$split['day']." ".$split['hour'].":".$split['minute'].":".$split['second'];
				$time = strtotime($split['year']."-".$split['month']."-".$split['day']." ".$split['hour'].":".$split['minute'].":".$split['second']);
				
				if ($request->is_request('restorecdate', TYPE_NO_TAGS) && touch(Url::translate_uri($this->parent_dir . $filename), $time)) 
				{
					$creationdate = date("Y-m-d H:i:s", filemtime(Url::translate_uri($this->parent_dir . $filename)));
				}
				else
				{
					$creationdate = date("Y-m-d H:i:s", $time);
				}				
				//echo(' creation date: '.$creationdate);
			}
			else if (preg_match('/M\\s*\\(D:([0-9]{14})/', $pfdcontent, $date))
			{			
				$creation_time = $date[1]; 
				$split = date_parse_from_format('Ymdhis', $creation_time);
				
				$str_time = $split['year']."-".$split['month']."-".$split['day']." ".$split['hour'].":".$split['minute'].":".$split['second'];
				$time = strtotime($split['year']."-".$split['month']."-".$split['day']." ".$split['hour'].":".$split['minute'].":".$split['second']);
				
				if ($request->is_request('restorecdate', TYPE_NO_TAGS) && touch(Url::translate_uri($this->parent_dir . $filename), $time)) 
				{
					$creationdate = date("Y-m-d H:i:s", filemtime(Url::translate_uri($this->parent_dir . $filename)));
				}
				else
				{
					$creationdate = date("Y-m-d H:i:s", $time);
				}				
				//echo(' creation date: '.$creationdate);
			}
		}
		/* */
		if (MD5_SHOW && $size > 0 && $size / 1048576 <= $config->__get('md5_show'))
		{
			$this->md5_link = '<span class="autoindex_small">[<a class="autoindex_a" href="'
			. Url::html_output($request->server('PHP_SELF')) . '?dir='
			. Url::translate_uri(substr($this->parent_dir, strlen($config->__get('base_dir'))))
			. '&amp;md5=' . Url::translate_uri($filename) . '">'
			. $words->__get('calculate md5sum') . '</a>]</span>';
		}
	}
	
	/**
	 * @param string $var The key to look for
	 * @return mixed The data stored at the key
	 */
	public function __get($var = '')
	{
		if (isset($this->$var))
		{
			return $this->$var;
		}
		throw new ExceptionDisplay('Variable <em>' . Url::html_output($var) . '</em> not set in FileItem class.');
	}
}

?>