Copy Code code as follows:
?
//====================================================
Use Example:
$download =new Download (' php,exe,html ', false);
if (! $download->downloadfile ($filename))
// {
echo $download->geterrormsg ();
// }
//====================================================
Class download{
var $debug =true;
var $errormsg = ';
var $Filter =array ();
var $filename = ';
var $mineType = ' Text/plain ';
var $xlq _filetype=array ();
function Download ($fileFilter = ', $isdebug =true)
{
$this->setfilter ($fileFilter);
$this->setdebug ($isdebug);
$this->setfiletype ();
}
function SetFilter ($fileFilter)
{
if (empty ($fileFilter)) return;
$this->filter=explode (', ', Strtolower ($fileFilter));
}
function Setdebug ($debug)
{
$this->debug= $debug;
}
function Setfilename ($filename)
{
$this->filename= $filename;
}
function DownloadFile ($filename)
{
$this->setfilename ($filename);
if ($this->filecheck ())
{
$FN = Array_pop (Explode ('/', STRTR ($this->filename, ' \ \ ', '/'));
Header ("Pragma:public");
Header ("expires:0"); Set Expiration Time
Header ("Cache-component:must-revalidate, Post-check=0, pre-check=0");
Header ("Content-type:". $this->minetype);
Header ("Content-length:"). FileSize ($this->filename));
Header ("content-disposition:attachment; Filename=\ "$FN" ");
Header (' content-transfer-encoding:binary ');
ReadFile ($this->filename);
return true;
}else
{
return false;
}
}
function geterrormsg ()
{
return $this->errormsg;
}
function FileCheck ()
{
$filename = $this->filename;
if (file_exists ($filename))
{
$filetype =strtolower (Array_pop) (Explode ('. ', $filename));
if (In_array ($filetype, $this->filter))
{
$this->errormsg.= $filename. ' Not allowed to download! ';
if ($this->debug) exit ($filename. ' Not allowed to download! ') ;
return false;
}else
{
if (function_exists ("Mime_content_type"))
{
$this->minetype = Mime_content_type ($filename);
}
if (Empty ($this->minetype))
{
if (Isset ($this->xlq_filetype[$filetype])) $this->minetype = $this->xlq_filetype[$filetype];
}
if (!empty ($this->minetype))
return true;
Else
{
$this->errormsg.= ' get '. $filename. ' File type error occurs, or there is no predetermined file type ';
if ($this->debug) exit (' Get file type error ');
return false;
}
}
}else
{
$this->errormsg.= $filename. ' Not exist! '
if ($this->debug) exit ($filename. ' does not exist! ');
return false;
}
}
function Setfiletype ()
{
$this->xlq_filetype[' chm ']= ' application/octet-stream ';
$this->xlq_filetype[' ppt ']= ' application/vnd.ms-powerpoint ';
$this->xlq_filetype[' xls ']= ' application/vnd.ms-excel ';
$this->xlq_filetype[' Doc ']= ' Application/msword ';
$this->xlq_filetype[' exe ']= ' application/octet-stream ';
$this->xlq_filetype[' rar ']= ' application/octet-stream ';
$this->xlq_filetype[' js ']= "Javascript/js";
$this->xlq_filetype[' css ']= "text/css";
$this->xlq_filetype[' hqx ']= "application/mac-binhex40";
$this->xlq_filetype[' bin ']= "Application/octet-stream";
$this->xlq_filetype[' Oda ']= "Application/oda";
$this->xlq_filetype[' pdf ']= "Application/pdf";
$this->xlq_filetype[' ai ']= "application/postsrcipt";
$this->xlq_filetype[' eps ']= "Application/postsrcipt";
$this->xlq_filetype[' es ']= "Application/postsrcipt";
$this->xlq_filetype[' rtf ']= "Application/rtf";
$this->xlq_filetype[' MIF ']= "APPLICATION/X-MIF";
$this->xlq_filetype[' csh ']= "application/x-csh";
$this->xlq_filetype[' DVI ']= "Application/x-dvi";
$this->xlq_filetype[' HDF ']= "APPLICATION/X-HDF";
$this->xlq_filetype[' NC ']= "APPLICATION/X-NETCDF";
$this->xlq_filetype[' cdf ']= "APPLICATION/X-NETCDF";
$this->xlq_filetype[' latex ']= "Application/x-latex";
$this->xlq_filetype[' ts ']= "Application/x-troll-ts";
$this->xlq_filetype[' src ']= "application/x-wais-source";
$this->xlq_filetype[' Zip ']= "application/zip";
$this->xlq_filetype[' Bcpio ']= "Application/x-bcpio";
$this->xlq_filetype[' cpio ']= "Application/x-cpio";
$this->xlq_filetype[' Gtar ']= "Application/x-gtar";
$this->xlq_filetype[' shar ']= "Application/x-shar";
$this->xlq_filetype[' Sv4cpio ']= "Application/x-sv4cpio";
$this->xlq_filetype[' SV4CRC ']= "APPLICATION/X-SV4CRC";
$this->xlq_filetype[' tar ']= "Application/x-tar";
$this->xlq_filetype[' Ustar ']= "Application/x-ustar";
$this->xlq_filetype[' man ']= "Application/x-troff-man";
$this->xlq_filetype[' sh ']= "application/x-sh";
$this->xlq_filetype[' tcl ']= "APPLICATION/X-TCL";
$this->xlq_filetype[' Tex ']= "Application/x-tex";
$this->xlq_filetype[' Texi ']= "Application/x-texinfo";
$this->xlq_filetype[' texinfo ']= "Application/x-texinfo";
$this->xlq_filetype[' t ']= "Application/x-troff";
$this->xlq_filetype[' tr ']= "Application/x-troff";
$this->xlq_filetype[' Roff ']= "Application/x-troff";
$this->xlq_filetype[' shar ']= "Application/x-shar";
$this->xlq_filetype[' me ']= "application/x-troll-me";
$this->xlq_filetype[' ts ']= "Application/x-troll-ts";
$this->xlq_filetype[' gif ']= "image/gif";
$this->xlq_filetype[' jpeg ']= "image/pjpeg";
$this->xlq_filetype[' jpg ']= "image/pjpeg";
$this->xlq_filetype[' jpe ']= "image/pjpeg";
$this->xlq_filetype[' ras ']= "Image/x-cmu-raster";
$this->xlq_filetype[' PBM ']= "Image/x-portable-bitmap";
$this->xlq_filetype[' ppm ']= "image/x-portable-pixmap";
$this->xlq_filetype[' XBM ']= "Image/x-xbitmap";
$this->xlq_filetype[' xwd ']= "Image/x-xwindowdump";
$this->xlq_filetype[' ief ']= "Image/ief";
$this->xlq_filetype[' tif ']= "Image/tiff";
$this->xlq_filetype[' TIFF ']= "Image/tiff";
$this->xlq_filetype[' PNM ']= "Image/x-portable-anymap";
$this->xlq_filetype[' PGM ']= "Image/x-portable-graymap";
$this->xlq_filetype[' RGB ']= "Image/x-rgb";
$this->xlq_filetype[' xpm ']= "Image/x-xpixmap";
$this->xlq_filetype[' txt ']= "text/plain";
$this->xlq_filetype[' C ']= "Text/plain";
$this->xlq_filetype[' cc ']= "Text/plain";
$this->xlq_filetype[' h ']= "Text/plain";
$this->xlq_filetype[' html ']= "text/html";
$this->xlq_filetype[' htm ']= "text/html";
$this->xlq_filetype[' Htl ']= "text/html";
$this->xlq_filetype[' rtx ']= "Text/richtext";
$this->xlq_filetype[' etx ']= "Text/x-setext";
$this->xlq_filetype[' TSV ']= "text/tab-separated-values";
$this->xlq_filetype[' mpeg ']= "Video/mpeg";
$this->xlq_filetype[' mpg ']= "video/mpeg";
$this->xlq_filetype[' mpe ']= "video/mpeg";
$this->xlq_filetype[' avi ']= "Video/x-msvideo";
$this->xlq_filetype[' qt ']= "video/quicktime";
$this->xlq_filetype[' mov ']= "video/quicktime";
$this->xlq_filetype[' Moov ']= "Video/quicktime";
$this->xlq_filetype[' movie ']= "Video/x-sgi-movie";
$this->xlq_filetype[' au ']= "audio/basic";
$this->xlq_filetype[' snd ']= "Audio/basic";
$this->xlq_filetype[' wav ']= "audio/x-wav";
$this->xlq_filetype[' AIF ']= "Audio/x-aiff";
$this->xlq_filetype[' aiff ']= "Audio/x-aiff";
$this->xlq_filetype[' aifc ']= "Audio/x-aiff";
$this->xlq_filetype[' swf ']= "Application/x-shockwave-flash";
}
}
?>
