暂不支持,断点下载.
- 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/结尾
- $path="";
- if(array_verify($_GET)&&isset($_GET["path"]))
- {
- $path=base64url_decode($_GET["path"]);
- preg_match("#^[^/].*$|^.*.$|^..*$|./.|/.|./#",$path,$temp);
- if(array_verify($temp))
- {
- echo
- '
-
-
- ';
- echo "警告 index.php?path=".$_GET["path"]." 非法url
";
- exit;
- }
- $path=preg_replace("#[//]{2,}#","/",$path);
- }
-
- if(is_dir($dir.$path))
- {
- echo '
-
-
- ';
- echo "目录 ".$path."
";
-
- $dir_res=opendir($dir.$path);
- while($filen=readdir($dir_res))
- {
- if($filen!='.'&&$filen!='..')
- {
- if(is_file($dir.$path.'/'.$filen))
- {
- echo ''.$filen.' ('.format_file_size(filesize($dir.$path.'/'.$filen)).")
n";
- }else
- {
- echo ''.$filen."
n";
- }
-
- }else if($filen=='..')
- {
- preg_match("#([^/] /小左)*[^/] (?=/)#",$path,$parent);
- if(array_verify($parent))
- {
- echo ''.$filen."
n";
- }else
- {
- echo ''.$filen."
n";
- }
- }
- }
- echo '
- ';
- }
- else if(is_file($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);//大文件请选择其他方式
- }else
- echo "警告:非法访问!";
-
- ?>
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