Re: libCurl 7.20.0 behaviour when handling HTTP 302 responses
Date: Wed, 14 Apr 2010 15:13:30 +0200
-------- Original-Nachricht --------
> Datum: Wed, 14 Apr 2010 14:20:41 +0200 (CEST)
> Von: Daniel Stenberg <daniel_at_haxx.se>
> An: libcurl development <curl-library_at_cool.haxx.se>
> Betreff: Re: libCurl 7.20.0 behaviour when handling HTTP 302 responses
> On Wed, 14 Apr 2010, Stefan Krause wrote:
> > I just tried to dig into the issue. I am quite sure, that libCurl 7.20.0
> > hehaves the way I described.
> > 1) My App: Send GET Req to http://server/redirect, Server responds with
> > 302, Location: http://server/target
> > 2) libCurl resends the GET Req to http://server/target automatically
> > (CURLOPT_FOLLOWLOCATION = 1)
> > 3) My App: Send GET via Easy-Handle from step 1 to
> > HERE: libcurl sends request to http://server/target ! NOT to
> > http://server/redirect as expected !
> I didn't contradict that description. On the contrary I said explictly
> libcurl never remembers the target URL in any location following.
> But then I find it funny that you argue this for the 302 case, as that is
> response code that mandates that we should always use the *Request-URI* on
> further requests, and not the target URI of the redirect which you seem to
> argue for.
In step 3 above, I issued a second GET request to http://server/redirect (that is what I understand is the Request-URI). Before, I did not explicitely set the Request-URI to http://server/redirect on that easy handle, because thats already done in step 1 (not explicitely mentioned). I expect the Request URI of the easy handle is not changed somehow internally by libCurl and therefore remains http://server/redirect after I set it explicitely in step 1.
In step 3 above, I expected the same message flow as in step 1 + 2. libCurl first sends the request to http://server/redirect, gets the HTTP 302 again and then sends it automatically to http://server/target. (as you said: no caching behaviour)
But that does not happen due to my observations.
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