[imp] Problem downloading attachments with spaces in names(only with Netscape/Firebird)

[Tim Meader]

Thank you for addressing this, and believe me, I understand that IMP does a 
great job as it stands. We tried Squirrel Mail about a year ago to 
nightmarish results.

As for detecting which browsers are affected... I would imagine it could 
somehow be gathered from this:

"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.5)"

In that line (when reported back from the browser) anything pre "rv:1.5" 
should function perfectly fine with the old behavior. Thus ALL Mozilla 
based browsers will work fine except for Firebird 0.7 or 0.6.1, and Mozilla 
1.5 (all platforms obviously). So for current users this may not be too big 
an issue, but as soon as vendors start upgrading to 1.5 and beyond this 
will be a big problem.

Thanks again for the fix, and I hope this information can be useful.

At 05:48 PM 10/31/2003, Michael M Slusarz wrote:
>Quoting Tim Meader <tmeader at cne-odin.gsfc.nasa.gov>:
>
>| Yes, this is a problem with the way in which IMP handles file
>| attachments.
>| I actually opened a bug in Mozilla (ie - Netscape 6+) about this. It
>| seems
>| that the Mozilla guys recently changed the way in which any Mozilla after
>| 1.4 parses the "Content-xxxxxxx" headers. This isn't a Mozilla bug
>| though,
>| as the way they do it now is actually the way it should have been all
>| along.
>
>*sigh*  You have no idea how frustrating it is to have to deal with X number
>of browsers that handle downloads X number of different ways.  IMP/Horde
>actually does a better job of this than anything else, and I should know
>because when I wrote the code I tried all the other available webmail
>products and saw how they handled downloads (and none of them came even
>close to correct behavior).
>
>Ironically enough, I had to code extra for Mozilla browsers since they were
>broken before, at least on Windows.  From lib/Browser.php:
>     if ($this->getPlatform() == 'win') {
>         $this->setQuirk('break_disposition_filename');
>     }
>http://bugzilla.mozilla.org/show_bug.cgi?id=172693
>
>I have no idea if this is the same bug or not, but IMHO it is pretty much
>impossible to keep up on the changes in browser handling unless you are a
>developer of Mozilla.  :(
>
>That being said, this *should* be easily correctable.  All we need is
>someone to let us know exactly what versions of Mozilla work with the
>current code, and what versions of Mozilla should use the new code.  Since
>everything dealing with download headers is in a single function in
>Browser.php, once we have the correct information, it will not be difficult
>to fix.
>
>For now, I have enclosed the filename in quotes when downloading Headers,
>and hopefully this won't break other browsers.
>
>michael
>
>______________________________________________
>Michael Slusarz [slusarz at bigworm.colorado.edu]
>The University of Colorado at Boulder
>
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---
Tim Meader
CNE Unix Group
ACS Government Services, Inc. - (301) 286-8013
Tim.Meader at gsfc.nasa.gov