root/mytrz-dviewer/index.php

<?

/*
 * Copyright (c) 2005, Tae-young Jung <master@mytears.org> 
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * 
 */

require('Smarty/Smarty.class.php');
require('lib_mime.php');

require('config.php');

/* compare function */
function comp( $a, $b ){
        global $type, $descend;

        /* compared by name */
        if( $type == 'N' )
                return $descend * strcmp( $a[name], $b[name] );

        /* compared by modification time */
        else if( $type == 'M' )
                return $descend * ($a[timestamp] - $b[timestamp]);

        /* compared by size */
        else
                return $descend * ($a[r_size] - $b[r_size]);
        
}

/* get current path */
if( !$_GET[path] )
        $path = $open_basedir;
else
        $path = $open_basedir."/".$_GET[path];

$basedir = realpath($open_basedir);
$path = realpath( $path );

/* make webpath */
$webpath = ".".substr($path, strlen($basedir));
$webpath_file = $open_basedir.substr($path, strlen($basedir));

/* make smarty object */
$smarty = new Smarty;

$smarty->left_delimiter = '<!--{';
$smarty->right_delimiter = '}-->';

$smarty->assign( "skin_dir", "templates/".$skin );
$smarty->assign( "encoding", $encoding );
$smarty->assign( "location", $webpath );

/* sandbox: avoid show upper directory */
if( strncmp( $basedir, $path, strlen($basedir) ) != 0 ){
        $msg = "not permitted to show upper directory..";
        $smarty->assign( "msg", $msg );

        $smarty->display( $skin.'/error.tpl');
}
else if( $dirhandle=@opendir($path) ){

        if( isset($_GET[M]) ){
                $type = 'M';
                $arg = "&amp;M";

                if( !isset($_GET[D]) )
                        $marg = "&amp;D";
        }
        else if( isset($_GET[S]) ){
                $type = 'S';
                $arg = "&amp;S";

                if( !isset($_GET[D]) )
                        $sarg = "&amp;D";
        }
        else {
                $type = 'N';
                $arg = "&amp;N";

                if( !isset($_GET[D]) )
                        $narg = "&amp;D";
        }
        
        if( isset($_GET[D]) ){
                $descend = -1;
                $arg .= "&amp;D";
        }
        else
                $descend = 1;
                
        $th   = array(
                "name" => "<a href='$PHPSELF?path=$webpath&amp;N$narg' rel=\"nofollow\">Filename</a>",
                "size"     => "<a href='$PHPSELF?path=$webpath&amp;S$sarg' rel=\"nofollow\">Size</a>",
                "mtime"    => "<a href='$PHPSELF?path=$webpath&amp;M$marg' rel=\"nofollow\">Modification time</a>"
        );
        
        $dir  = array();
        $file = array();

        while( $name = readdir($dirhandle) ){

                
                if( $show_hidden ){
                        if( strcmp( $name, "." ) == 0 )
                                continue;
                        else if( strcmp( $name, ".." ) == 0 )
                                continue;
                }
                else if( $name[0] == '.' )
                        continue;

                /* get modification time */
                $times = filemtime( $path."/".$name );
                $mtime = date("Y-m-d g:i:s A", $times);

                /* is this directory? */
                if( is_dir($path."/".$name) ) {
                                
                        $name = "<a href='$PHPSELF?path=$webpath/$name$arg'>$name</a>";
                        $dir[] = array(
                                name =>  $name,
                                img =>   'folder.gif',
                                mtime => $mtime,
                                timestamp => $times
                        );
                }

                /* file */
                else {
                        $r_size = $size = filesize( $path."/".$name );
                        $ext = substr( $name, strrpos($name, ".")+1 );
                        
                        /* human readable size */
                        if( $size < 1024 )
                                $size = $size;
                        else if( $size < 1048576 )
                                $size = floor($size/1024)."K";
                        else if( $size < 130023424 )
                                $size = floor($size/1048576)."M";
                        else
                                $size = floor($size/1073741824)."G";
                        
                        $name = "<a href='$webpath_file/$name'>$name</a>";
                        $file[] = array(
                                name => $name,
                                img => mime_type($ext),
                                size => $size,
                                mtime => $mtime,
                                timestamp => $times,
                                r_size => $r_size
                        );

                }

        }
        closedir();

        /* sorting with filename */
        if( $type == 'N' ){
                usort( $dir, comp );
                usort( $file, comp );
        }
        /* sorting with modification time */
        else if( $type == 'M' ){
                usort( $dir, comp );
                usort( $file, comp );
        }
        /* sorting with size */
        else if( $type == 'S' ){
                usort( $file, comp );
        }
        
        /* add parent direcory link */
        if( strcmp($webpath,".") != 0 ){
                $name  = "<a href='$PHP_SELF?path=$webpath/..$arg' rel=\"nofollow\">Parent Directory</a>";
                $mtime = date("Y-m-d g:i:s A", filemtime( $path."/.." ));
        
                $dir = array_merge(
                        array( 
                                array(
                                        name =>  $name,
                                        img =>   'back.gif',
                                        mtime => $mtime
                                ) 
                        ),
                        $dir
                );
        }
        
        $smarty->assign( 'th', $th );
        $smarty->assign( 'dir', $dir );
        $smarty->assign( 'file', $file );
        $smarty->display( $skin.'/index.tpl');

}
/* directory open failed... */
else {
        $msg = "invalid path or permission denided";
        $smarty->assign( "msg", $msg );

        $smarty->display( $skin.'/error.tpl');
}

?>