From: Kai Krakow <hurikhan77@...>
Date: 2008-05-11T18:20:46+09:00
Subject: Re: cgi.header redirect

On 10 Mai, 19:40, Peter Jones <dev-n...@pmade.com> wrote:
> "Haris Bogdanovic" <fbogdano...@xnet.hr> writes:
> > I tried to redirect a html page to itself to avoid browser's question about
> > resending post data but it doesn't work.
> > I tried this:
>
> > cgi=CGI.new
> > cgi.header('status'=>'302 moved', 'location'=>'my_page.rb')
> > or
> > cgi.header('status'=>'REDIRECT', 'location'=>'my_page.rb')
>
> > The browser still asks the question about post data when I click the Refresh
> > button
>
> The browser is doing the right thing.  It doesn't matter that the
> result of a POST was a redirect (which is very common).
>
> If you click the refresh button after a POST, the browser will want to
> redo the POST.  It of course asks if you want to POST the same data,
> which is good (especially if you just posted your credit card number).
>
> There are two ways around this, depending on what you are trying to
> do.  If you are just trying to refresh the page by hand without the
> warning box, click in the location bar and press return.
>
> If you want to refresh automatically, without the warning box, add a
> meta refresh tag to the HTML.

According to http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
you may want to try a 303 code... But unless request type is HEAD
(which it is probably not in your case) you should also reply with
some short HTML text.

Regards,
Kai