Hello!
On Fri, Nov 05, 2010 at 01:08:47PM -0400, NCRonB wrote:
> I've been using the following code to redirect non-www to www-refixed
> domains:
>
> [code]
> server {
> server_name example.com;
> rewrite ^ http://www.example.com$request_uri permanent;
> }
> [/code]
>
> However, I just realized that when there is a query string, the
> resulting URI has the query string twice. For example:
>
> [code]http://example.com/test.html?a=1&b=2[/code]
>
> ...is rewritten as:
>
> [code]http://www.example.com/test.html?a=1&b=2?a=1&b=2[/code]
>
> Is this the correct behavior?
Yes. Variable $request_uri contains args, while rewrite without
trailing '?' will add args.
> I can add a '?' to the end of $request_uri to make it work as expected,
> but I've never seen that in any examples, and I didn't think rewrite was
Classic "redirect everything" example contains '?'. See e.g.
here:
http://nginx.org/en/docs/http/converting_rewrite_rules.html
: server {
: listen 80;
: server_name nginx.org;
: rewrite ^ http://www.nginx.org$request_uri?;
: }
> supposed to auto-append the arguments unless I explicitly put arguments
> on the replacement side.
rewrite is expected to preserve original args in all cases (either
preserve as is, or append if you added other arguments) unless you
specified trailing '?'.
Maxim Dounin
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