[dev] Consider ignoring upload Content-Type

[Vilius Šumskas]

Sveiki,

Wednesday, January 13, 2010, 7:35:49 PM, you wrote:

> Quoting Jan Schneider <jan at horde.org>:

>> One of the most often reported problems with IMP is about  
>> clients/browser sending the wrong content type with file uploads.
>> No question that we are doing it the right way. But fact is that  
>> there are lots of broken user systems out there, and the problem can  
>> only be fixed on the client system. This is especially problematic  
>> with a server-side software like Horde.
>> Thus I'd like to discuss whether we should start ignoring the  
>> content type of file uploads completely and instead rely on  
>> server-side mime magic. The advantage is, that the behavior is the  
>> same for every client, and that administrator can fix wrong  
>> detections at a single place, and at a place they actually have  
>> access too. Of course this makes mime magic a requirement for Horde.
>> It might not be the right behavior RFC wise and add another  
>> prerequisite, but it would improve the user and administrator  
>> experience a lot IMO.

> I would have no issue with this, as long as this is configurable.  And
> I believe that using the browser generated MIME type should remain the
> default, since it seems to work best most of the time (my personal  
> experience is that the browser determination is *more* accurate than  
> MIME magic determination).

As  an  ex sysadmin, I can confirm what Michael is saying. Client MIME
type  detection  is  more  accurate  in  most  cases  than MIME magic.
Especially for proprietary files (e.i. Word, Excel, Photoshop).

-- 
Best regards,
 Vilius