[ale] apache problem

[John Heim]

Yup. I ended up redirecting downloads to a php script which returns a 403 
error if the user has downloaded another document within the last 3 seconds 
or if they've already done more than 1000 downloads.  If not, it ships them 
the document.

----- Original Message ----- 
From: "Mike Harrison" <cluon at geeklabs.com>
To: <neal at mnopltd.com>; "Atlanta Linux Enthusiasts" <ale at ale.org>
Sent: Wednesday, January 12, 2011 2:07 PM
Subject: Re: [ale] apache problem


>> It's a moderate booger to write the thing that spits back the file
>> inline, since we might have .pdf files, .html files, text files, and I
>> recall we had to do content headers appropriately.
>
> This is fairly easy to do in PHP, and I expect other languages as well.
>
> This is the two fragments from a bigger program that demonstrate a method.
>
> #FRAGMENT 1
>     $file_extension = strtolower(substr(strrchr($filename, "."), 1));
>     switch ($file_extension) {
>         case "pdf":
>             $ctype = "application/pdf";
>         break;
>         case "csv":
>             $ctype = "application/text";
>         break;
>         case "xls":
>             $ctype = "application/vnd.ms-excel";
>         break;
>         default:
>             $ctype = "application/force-download";
>     }
>
>
>
> #FRAGMENT2:
>
>     header("Pragma: public");
>     header("Expires: 0");
>     header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
>     header("Cache-Control: private", false);
>     header("Content-Type: $ctype");
>     header("Content-Disposition: attachment; filename=\"" . basename($as) 
> . "\";");
>     header("Content-Transfer-Encoding: binary");
>     header("Content-Length: " . @filesize($filename));
> #    set_time_limit(20);
>     ob_clean();
>     flush();
>     @readfile("$filename") or die("File not found.");
>
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