- From: Julian Reschke <julian.reschke@gmx.de>
- Date: Wed, 08 Aug 2007 22:13:24 +0200
- To: Arnaud Quillaud <Arnaud.Quillaud@Sun.COM>
- CC: w3c-dist-auth@w3.org
Arnaud Quillaud wrote: > Hello, > > HTTP defines a few conditional headers (if-* headers) and so does WebDAV (if header). In both cases those headers can be used "to make *a* method conditional". There is no table listing which method can be made conditional. > By reading between the lines one can guess that the if-* headers main purpose is for GET/PUT methods while if can be applied to pretty much any method but that is about it. Yes. > This brings up a few questions: > * is the choice to make one method conditional or not left to server implementations ? Not really. > * how can a client discover whether a particular method honor one of the if* headers (e.g. DELETE with if-match, PROPPATCH with if-unmodified-since or PROPFIND with if-modified-since) ? > * should the WebDAV if header be honored on all HTTP/WebDAV/*DAV methods ? I'd say it should apply to all methods, but I'd be surprised if all servers get this right. See also current discussion over on the HTTP-WG mailing list about entity tags and methods such as PROPFIND/PROPPATCH. Best regards, Julian
Received on Wednesday, 8 August 2007 20:13:51 UTC