$mimetypes=array(  
    'ez'  =>  'application/andrew-inset',  
    'hqx' => 'application/mac-binhex40',  
    'cpt' => 'application/mac-compactpro',  
    'doc' => 'application/msword',  
    'bin' => 'application/octet-stream',  
    'dms' => 'application/octet-stream',  
    'lha' => 'application/octet-stream',  
    'lzh' => 'application/octet-stream',  
    'exe' => 'application/octet-stream',  
    'class' => 'application/octet-stream',  
    'so' => 'application/octet-stream',  
    'dll' => 'application/octet-stream',  
    'oda' => 'application/oda',  
    'pdf' => 'application/pdf',  
    'ai' => 'application/postscript',  
    'eps' => 'application/postscript',  
    'ps' => 'application/postscript',  
    'smi' => 'application/smil',  
    'smil' => 'application/smil',  
    'mif' => 'application/vnd.mif',  
    'xls' => 'application/vnd.ms-excel',  
    'ppt' => 'application/vnd.ms-powerpoint',  
    'wbxml' => 'application/vnd.wap.wbxml',  
    'wmlc' => 'application/vnd.wap.wmlc',  
    'wmlsc' => 'application/vnd.wap.wmlscriptc',  
    'bcpio' => 'application/x-bcpio',  
    'vcd' => 'application/x-cdlink',  
    'pgn' => 'application/x-chess-pgn',  
    'cpio' => 'application/x-cpio',  
    'csh' => 'application/x-csh',  
    'dcr' => 'application/x-director',  
    'dir' => 'application/x-director',  
    'dxr' => 'application/x-director',  
    'dvi' => 'application/x-dvi',  
    'spl' => 'application/x-futuresplash',  
    'gtar' => 'application/x-gtar',  
    'hdf' => 'application/x-hdf',  
    'js' => 'application/x-javascript',  
    'skp' => 'application/x-koan',  
    'skd' => 'application/x-koan',  
    'skt' => 'application/x-koan',  
    'skm' => 'application/x-koan',  
    'latex' => 'application/x-latex',  
    'nc' => 'application/x-netcdf',  
    'cdf' => 'application/x-netcdf',  
    'sh' => 'application/x-sh',  
    'shar' => 'application/x-shar',  
    'swf' => 'application/x-shockwave-flash',  
    'sit' => 'application/x-stuffit',  
    'sv4cpio' => 'application/x-sv4cpio',  
    'sv4crc' => 'application/x-sv4crc',  
    'tar' => 'application/x-tar',  
    'tcl' => 'application/x-tcl',  
    'tex' => 'application/x-tex',  
    'texinfo' => 'application/x-texinfo',  
    'texi' => 'application/x-texinfo',  
    't' => 'application/x-troff',  
    'tr' => 'application/x-troff',  
    'roff' => 'application/x-troff',  
    'man' => 'application/x-troff-man',  
    'me' => 'application/x-troff-me',  
    'ms' => 'application/x-troff-ms',  
    'ustar' => 'application/x-ustar',  
    'src' => 'application/x-wais-source',  
    'xhtml' => 'application/xhtml+xml',  
    'xht' => 'application/xhtml+xml',  
    'zip' => 'application/zip',  
    'au' => 'audio/basic',  
    'snd' => 'audio/basic',  
    'mid' => 'audio/midi',  
    'midi' => 'audio/midi',  
    'kar' => 'audio/midi',  
    'mpga' => 'audio/mpeg',  
    'mp2' => 'audio/mpeg',  
    'mp3' => 'audio/mpeg',  
    'aif' => 'audio/x-aiff',  
    'aiff' => 'audio/x-aiff',  
    'aifc' => 'audio/x-aiff',  
    'm3u' => 'audio/x-mpegurl',  
    'ram' => 'audio/x-pn-realaudio',  
    'rm' => 'audio/x-pn-realaudio',  
    'rpm' => 'audio/x-pn-realaudio-plugin',  
    'ra' => 'audio/x-realaudio',  
    'wav' => 'audio/x-wav',  
    'pdb' => 'chemical/x-pdb',  
    'xyz' => 'chemical/x-xyz',  
    'bmp' => 'image/bmp',  
    'gif' => 'image/gif',  
    'ief' => 'image/ief',  
    'jpeg' => 'image/jpeg',  
    'jpg' => 'image/jpeg',  
    'jpe' => 'image/jpeg',  
    'png' => 'image/png',  
    'tiff' => 'image/tiff',  
    'tif' => 'image/tiff',  
    'djvu' => 'image/vnd.djvu',  
    'djv' => 'image/vnd.djvu',  
    'wbmp' => 'image/vnd.wap.wbmp',  
    'ras' => 'image/x-cmu-raster',  
    'pnm' => 'image/x-portable-anymap',  
    'pbm' => 'image/x-portable-bitmap',  
    'pgm' => 'image/x-portable-graymap',  
    'ppm' => 'image/x-portable-pixmap',  
    'rgb' => 'image/x-rgb',  
    'xbm' => 'image/x-xbitmap',  
    'xpm' => 'image/x-xpixmap',  
    'xwd' => 'image/x-xwindowdump',  
    'igs' => 'model/iges',  
    'iges' => 'model/iges',  
    'msh' => 'model/mesh',  
    'mesh' => 'model/mesh',  
    'silo' => 'model/mesh',  
    'wrl' => 'model/vrml',  
    'vrml' => 'model/vrml',  
    'css' => 'text/css',  
    'html' => 'text/html',  
    'htm' => 'text/html',  
    'asc' => 'text/plain',  
    'txt' => 'text/plain',  
    'rtx' => 'text/richtext',  
    'rtf' => 'text/rtf',  
    'sgml' => 'text/sgml',  
    'sgm' => 'text/sgml',  
    'tsv' => 'text/tab-separated-values',  
    'wml' => 'text/vnd.wap.wml',  
    'wmls' => 'text/vnd.wap.wmlscript',  
    'etx' => 'text/x-setext',  
    'xsl' => 'text/xml',  
    'xml' => 'text/xml',  
    'mpeg' => 'video/mpeg',  
    'mpg' => 'video/mpeg',  
    'mpe' => 'video/mpeg',  
    'qt' => 'video/quicktime',  
    'mov' => 'video/quicktime',  
    'mxu' => 'video/vnd.mpegurl',  
    'avi' => 'video/x-msvideo',  
    'movie' => 'video/x-sgi-movie',  
    'ice' => 'x-conference/x-cooltalk',  
);  

function get_extension($file)
{
return substr($file, strrpos($file, '.')+1);
}



$fileimg = trim($_GET['imgs']);
$tp = "";

if($fileimg){
	foreach($ss as $k=>$v){
		if(strtolower(get_extension($fileimg))=="$k"){
				$tp =$v; break;
		}
	}


$image = $fileimg;
$max_width = 100;
$max_height = 100;
 
$size = getimagesize($image);   //得到图像的大小
$width = $size[0];             
$height = $size[1];
 
$x_ratio = $max_width / $width;
$y_ratio = $max_height / $height;
 
if (($width <= $max_width) && ($height <= $max_height))
{
    $tn_width = $width;
    $tn_height = $height;
}
elseif (($x_ratio * $height) < $max_height)
{
    $tn_height = ceil($x_ratio * $height);
    $tn_width = $max_width;
}
else
{
    $tn_width = ceil($y_ratio * $width);
    $tn_height = $max_height;
}
 
$src = imagecreatefromjpeg($image);
$dst = imagecreatetruecolor($tn_width, $tn_height); //新建一个真彩色图像
imagecopyresampled($dst, $src, 0, 0, 0, 0,
    $tn_width, $tn_height, $width, $height);        //重采样拷贝部分图像并调整大小
header('Content-Type: '.$tp);
imagejpeg($dst,null,100);
imagedestroy($src);
imagedestroy($dst);

}


if($_COOKIE["login"]!="ok"){
	header("Content-type: text/html; charset=utf-8");
	exit("对不起，请先提交下载密码再点击下载！<input type='button' value='返回首页' onclick='javascript:location.href=\"/shared/\"' />");
}

$filename = trim($_GET['files']);
if($filename){
header('Content-type: application/octet-stream'); 
header('Content-Disposition: attachment; filename="'.$filename.'"'); 
readfile("$filename"); 
}
 

exit(); 
?>
<!doctype html>
<html lang="en">
 <head>
  <meta charset="UTF-8">
  <meta name="Generator" content="EditPlus®">
  <meta name="Author" content="">
  <meta name="Keywords" content="">
  <meta name="Description" content="">
  <title>康宁微共享文件下载</title>
 </head>
 <body>
<h2>康宁微共享文件下载</h2><ul><li><a href='?file=download.php' target=_blank>download.php</a></li></ul> </body>
</html>