Re: [libreoffice-users] LibreOffice and Microsoft Office files - MIME type problem

Yes, exactly.

Office must do something special for the MIME-type associations, I was hoping LibreOffice did 
something similar.

Cheers,
Ian

On 2011-06-28, at 8:20 PM, Dennis E. Hamilton wrote:

> Still clarifying my understanding:
>
> The files are being uploaded to a server via browser uploading?
>
> Hmm.  Somewhere back around Windows 98 I remember MIME-type associations in the File Associations 
> dialog, but I haven't seen them in any recent systems.
>
> So the question is, how can one control the MIME type of a file that is uploaded.
>
> I rummaged around on the Internet and I couldn't find much.  This may be helpful:
>
> <http://msdn.microsoft.com/en-us/library/ms775148(v=vs.85).aspx>
>
> There's more here specifically on how IE determines the MIME type for an upload:
> < http://msdn.microsoft.com/en-us/library/ms775147(v=VS.85).aspx>
>
> - Dennis
>
> -----Original Message-----
> From: Ian Long [mailto:ian.long@opterus.com] 
> Sent: Tuesday, June 28, 2011 16:44
> To: users@global.libreoffice.org
> Subject: Re: [libreoffice-users] LibreOffice and Microsoft Office files - MIME type problem
>
> Yes, that's correct, the files are being uploaded as .doc, .xls, etc but Microsoft Office isn't 
> installed on the machines that are uploading the files, just LibreOffice.
>
> Internet Explorer can't figure out the MIME type to send to the server when submitting the form, 
> so it just sends application/octet-stream.
>
> If Office is installed on a machine that uploads the same files, IE does send the correct MIME 
> type.
>
> I guess there isn't an option in LibreOffice to associate the .doc, .xls MIME types as MS Office 
> does?
>
> Cheers,
> Ian
>
> On 2011-06-28, at 7:37 PM, Dennis E. Hamilton wrote:
>
> > Oh wait, these are being uploaded as .doc, .xls, and .ppt but those apps aren't on the machine 
> > where the downloading is happening.  Is that the case?
> >
> > Hmm.  Sounds like what's missing is some sort of browser helper.  And LibreOffice is registered 
> > as the application that opens .doc, .xls, and .ppt files?  
> >
> > Still, it would be useful to see if this improves if the MIME types for those Microsoft formats 
> > were delivered by the server.  It may be that Microsoft Office compensates for this problem when 
> > it is installed.  We'll know that if getting the server to use the correct MIME types doesn't 
> > help.
> >
> > - Dennis
> >
> > -----Original Message-----
> > From: Dennis E. Hamilton [mailto:dennis.hamilton@acm.org] 
> > Sent: Tuesday, June 28, 2011 16:33
> > To: 'users@global.libreoffice.org'
> > Subject: RE: [libreoffice-users] LibreOffice and Microsoft Office files - MIME type problem
> >
> > This is a common problem with web servers.  
> >
> > Browsers don't set the MIME type, they receive it in the response from the Web Server, along 
> > with the resource itself.  It is likely that the Web server is not set up to recognize that 
> > various file-name extensions correspond to specific MIME types and so a default is being used.  
> > application/octet-stream is the safest default.
> >
> > There's a secondary problem with regard to being able to *open* LibreOffice documents that are 
> > downloaded by a browser.  That has to do with associating the MIME type with an application on 
> > the receiving computer.  But first, you need the correct MIME type from the server.
> >
> > The only way around, depending on how the file is downloaded, is to store it without opening it 
> > and then renaming it so it can be opened properly.  Not something your average user will deal 
> > with (especially if they don't have file exensions being show in Windows Explorer).
> >
> > Most web servers have a way to be told what MIME type to attribute to particular filename 
> > extensions.  Someone needs to arrange with an administrator of the web site to set that up.
> >
> > - Dennis
> >
> >
> > -----Original Message-----
> > From: planas [mailto:jslozier@gmail.com] 
> > Sent: Tuesday, June 28, 2011 15:11
> > To: users@global.libreoffice.org
> > Subject: Re: [libreoffice-users] LibreOffice and Microsoft Office files - MIME type problem
> >
> > Ian,
> >
> > On Tue, 2011-06-28 at 10:01 -0400, Ian Long wrote:
> >
> > > Hi,
> > >
> > > I have looked for a solution to an issue I am seeing, but without any luck - hopefully someone 
> > > has seen this before and can provide a workaround.
> > >
> > > A client  is using LibreOffice on Windows XP PCs, running IE8.  They use LO to save in the 
> > > Microsoft formats (.doc, .xls, etc) which is working fine.
> > >
> > > However, when they try to upload one of those files to web servers, the MIME type of those 
> > > files is always reported as 'application/octect-stream', rather than
> > > the real mime type - IE can't figure out the type as it would if Office was installed.
> > >
> > > This also affects files that weren't created by LO, such as ones that were sent via email, that 
> > > were created in Microsoft Office.
> > >
> > > Is there a way to register some type of LO handler with Windows so that the file types are 
> > > properly recognized?
> > >
> > > Thanks in advance,
> > > Ian
> >
> > If the MSO document is uploaded directly to the server without being
> > opened in LO does your client have the same problem? I just want to
> > clarify if it is a problem with LO or possibly somewhere else. 
> >
> > Do other browsers report the same problem when used or access the page?
> >
> > Also, what version of LO are they using?
> >
> > -- 
> > Jay Lozier
> > jslozier@gmail.com
> >
> > -- 
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