Upload file restrictions

[Krash]

 

Trying to restrict file uploads to mp3 files only using this -

 

 

if ($uploaded_type != "audio/mpeg")

{

echo "You may only upload mp3 files.<br><br>";

$ok=0;

}

 

 

It does not recognize mp3s, and will not allow any file types.  It works for other types (i.e., text/html).

 

What am I doing wrong?

 

Thanks.

 

[PFMaBiSmAd]

Echo the value in $uploaded_type when your validation test fails so that you can see what exactly it is. Different browsers send different mime types for the same file and your code must allow for multiple values.

[Krash]

 

OK - type = audio/x-mpeg (that's in IE).

 

How many different types are commonly used?

 

Is there a listing of them anywhere?  The only one I could find just showed audio/mpeg.

 

 

[PFMaBiSmAd]

Unfortunately, there is a gap between the actual defined and registered mime types (which were originally defined for SMTP email) http://www.iana.org/assignments/media-types/ and what each browser does (for example the x- types are non-standard and are not registered.)

 

http://en.wikipedia.org/wiki/Internet_media_type

 

Best bet is to test actual files in the target browsers.

[Krash]

 

OK -got it working for mpeg and x-mpeg.  I'll add others as they come up.

 

Thx for the assist.

 

 

[Andy-H]

$filetype = explode("/", $uploaded_type);

if ( stristr($filetype[0], "audio") === false && stristr($filetype[1], "mpeg") === false && stristr($filetype[1], "mpa") === false)
{
echo "You may only upload mp3 files.<br ><br >";
$ok=0;
}

 

You could try that?

 

//EDIT

 

Added MPA check after reading wikipedia link.