URL and application handling/registration standard

[Bastien Nocera]

On Sun, 2012-10-21 at 22:58 +0200, David Faure wrote:
> On Friday 19 October 2012 17:09:50 David Faure wrote:
> > > Better solution yet, imho: Screw being too clever.
> > >
> > >  - Have apps list protocols they support. Eg
> > >
> > > Protocols=x-scheme-handler/http;x-scheme-handler/https;
> > 
> > Never ever do this, for the reasons above. HTTP is too complex to send all 
> > http urls to a single app.
> 
> Ouch, and I just found out that /usr/share/applications/firefox.desktop says
> 
> MimeType=text/html;text/xml;application/xhtml+xml;application/vnd.mozilla.xul+xml;text/mml;application/x-
> xpinstall;x-scheme-handler/http;x-scheme-handler/https;x-scheme-handler/ftp;
> 
> on OpenSUSE 12.1 at least.
> (MozillaFirefox-15.0.1-2.40.1.x86_64)
> 
> Didn't we say no application should ever associate itself with x-scheme-
> handler/http?

That's not what we said. We said that no non-browser applications should
do that.

> This is supposed to have priority over anything else, right? (i.e. over the 
> standard mechanism of launching an app based on the file contents).
> That's fine for special protocols (magnet://, telnet:// etc.) but not for 
> HTTP... 

Why not? Sniffing HTTP URLs is completely broken. It breaks one-time
URLs.