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php文件服務實現虛擬掛載其他目錄示例

2024-05-04 23:22:56

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供稿：網友

php文件服務實現虛擬掛載其他目錄

復制代碼代碼如下:

<?php
function base64url_encode($data) {
return rtrim(strtr(base64_encode($data), '+/', '-_'), '=');
}
function base64url_decode($data) {
return base64_decode(str_pad(strtr($data, '-_', '+/'), strlen($data) % 4, '=', STR_PAD_RIGHT));
}
function array_verify($var)
{
 return isset($var)&&is_array($var) && count($var)>0;
}
function format_file_size($var)
{
 if($var<1024) return $var.' B';
 if($var<1048576) return ($var/1024.0).' K';
 if($var<1073741824) return ($var/1048576.0).' M';
 return ($var/1073741824.0).' G';
}

$dir="F:";//不以/結尾
$path="";

if(array_verify($_GET)&&isset($_GET["path"]))
{
$path=base64url_decode($_GET["path"]);
preg_match("#^[^/].*$|^.*/.$|^/..*$|/.//.|//.|/./#",$path,$temp);
 if(array_verify($temp))
 {
 echo
 '<html>
 <head>
 <meta http-equiv="content-type" content="text/html;charset=gb2312" />
 <body>';
 echo "警告 index.php?path=".$_GET["path"]." 非法url </body></html>";
 exit;
 }
$path=preg_replace("#[///]{2,}#","http://m.survivalescaperooms.com/",$path);
}

if(is_dir($dir.$path))
 {
echo '<html>
 <head>
 <meta http-equiv="content-type" content="text/html;charset=gb2312" />
 <body>';
echo "目錄 ".$path." ";

$dir_res=opendir($dir.$path);
while($filen=readdir($dir_res))
 {
 if($filen!='.'&&$filen!='..')
 {
 if(is_file($dir.$path.'http://m.survivalescaperooms.com/'.$filen))
 {
 echo '<a href="index.php?path='.base64url_encode($path.'http://m.survivalescaperooms.com/'.$filen).'" >'.$filen.'</a> ('.format_file_size(filesize($dir.$path.'http://m.survivalescaperooms.com/'.$filen)).") /n";
 }else
 {
 echo '<a href="index.php?path='.base64url_encode($path.'http://m.survivalescaperooms.com/'.$filen).'" >'.$filen."</a> /n";
 }

 }else if($filen=='..')
 {
 preg_match("#([^/]+/{1})*[^/]+(?=/)#",$path,$parent);
 if(array_verify($parent))
 {
 echo '<a href="index.php?path='.base64url_encode('http://m.survivalescaperooms.com/'.$parent[0]).'" >'.$filen."</a> /n";
 }else
 {
 echo '<a href="index.php?path='.base64url_encode('http://m.survivalescaperooms.com/').'" >'.$filen."</a> /n";
 }
 }
 }
echo '</body>
 </html>';
}
 else if(is_file($dir.$path))
 {
 $file_size = filesize($dir.$path);
 header("Content-type: application/octet-stream");
 header("Accept-Ranges: bytes");
 header("Accept-Length: ".$file_size);
 Header("Content-Disposition: attachment; filename=".basename($dir.$path));
 readfile($dir.$path);//大文件請選擇其他方式
 }else
 echo "警告:非法訪問!";

?>