Re: CFNetwork POST with redirect.
Re: CFNetwork POST with redirect.
- Subject: Re: CFNetwork POST with redirect.
- From: Daniel Jalkut <email@hidden>
- Date: Sun, 29 Apr 2007 11:09:34 -0400
On Apr 29, 2007, at 9:50 AM, Joshua wrote:
Perhaps related... do CFNetwork interfaces automatically handle
cookies? The server is also trying
to set a cookie and I am wondering if this is also the reason the
server doesn't continue the
appropriate redirection.
I doubt the server's cookies have anything to do with it. The desired
behavior for redirects is laid out pretty well in the HTTP RFC
(http://www.ietf.org/rfc/rfc2616.txt) but it varies based on the type
of redirect being encountered, and the request method. Many of the
redirect cases hinge on prompting the user to confirm the new value.
See section 10.3.x of the RFC.
So I imagine the "auto redirect" in CFNetwork is not really intended
to be used for methods (namely, POST), where the user's interaction
is generally required.
NSURLConnection has a "connection:willSendRequest:..." method where
the client can manipulate redirect requests, but I'm not sure if
CFHTTP has a similar hook.
Is this particular redirect you're running into something you're
seeing in the wild, or is it a URL you're in charge of? If you have
the ability to do so, it might make sense to avoid redirects on URLs
where a POST is required, because the policy is so complicated for
user agents.
Daniel
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