Force Download and IE

[hof]

Hi all,

 

I've got a script that zips some files and forces a download. In Firefox both opening and saving from the download dialog works fine. In IE, it works fine if I save it my desktop and then open the zip file, but if I try to open it from the directly from the dialog box I get an error saying that the compressed file is corrupted. This only seems to happen when working off our live server - i.e. not locally (even though both servers are running exactly the same software). These are the headers I'm using to force the download:

 

header("Pragma: public"); // required

header("Expires: 0");

header("Cache-Control: must-revalidate, post-check=0, pre-check=0");

header("Cache-Control: private",false); // required for certain browsers

header("Content-Transfer-Encoding: binary");

header("Content-Type: application/zip");

header("Content-Disposition: attachment; filename=\"".$listVersion.'.zip'."\";" );

header("Content-Transfer-Encoding: binary");

header("Content-Length: ".filesize($filename));

readfile($filename);

 

Can anyone help me with this?

 

Thanks,

 

hof

[hof]

As it turns out the problem was that the zip file was being gzipped with mod_deflate. This is the header that I'm receiving:

 

Expires: Thu, 19 Nov 1981 08:52:00 GMT

Cache-Control: must-revalidate, post-check=0, pre-check=0, private

Pragma: public

Content-Transfer-Encoding: binary

content-disposition: attachment; filename="145.zip";

Content-Length: 187613

Content-Encoding: gzip

Vary: Accept-Encoding

Keep-Alive: timeout=15, max=100

Connection: Keep-Alive

Content-Type: application/zip

 

I altered my apache configuration to ignore gzipping zip files (and others) with the following line:

SetEnvIfNoCase Request_URI \

        \.(?:gif|jpe?g|png|zip|pdf|swf)$ no-gzip dont-vary

 

 

However, I'm still getting a gzipped zip file.

 

Any ideas?