[Owncloud] propfind - why always two requests?

[Daniel Molkentin]

On 01/31/2013 03:36 PM, Tim Hinkes wrote:
> Okay, not talking about the ssl/nonssl. BUT... Why are there two 
> requests? I know how normally http auth is used with the server asking 
> for auth with 401. But this doubles the needed requests.
>
> Why not sending the auth on every request after the server asks the 
> first time for the credentials. I don't know how this could trigger 
> security problems as long as the ssl cert getting validated. Because 
> it is just a https://user:pass@owncloud.server.foo and would save lots 
> of requests.
>
> This "useless" 401 requests are causing really heavy overhead when 
> syncing folders with many (small) subfolders/files.
>
> I know this is bad style http, but we know where auth is needed. So i 
> think it is worth the bad style, if we could save these expected 401 
> requests.
>

You should see the duplicated PROPFIND only once on startup, and once 
(!) for every sync run. I think in the light of an average sync process, 
one additional call per sync hardly matters. If you see two accesses per 
every file, that would be a bug.

Cheers,
  Daniel

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