On Mon, Oct 28, 2013 at 01:56:16AM +0100, Ingo Schmidt wrote:

Hi there,

> set $var "/url?par=val";
> location = /b {
> rewrite ^ $var last;
> }

> For location b the redirect is internal and now the backend cannot
> process the request anymore.

> I guess that the URL encoding also takes place in the first case, but
> here the client decodes the URL and thus everything is ok again.

No; here what is sent to the client includes the bare ?.

> Is it possible in nginx to make rewrites with variables where the
> variable contains a URL with parameters like in the example? If yes,
> what do I need to change? If no, what other options do I have?

I believe it is intended to be "no", for internal rewrites at least.

You can do something like

set $var "/url";
set $vararg "par=val";
rewrite ^ $var?$vararg last;

Although you may need to be more subtle if you know that your backend
handles "/url" and "/url?" differently, in case $vararg is empty.

f
--
Francis Daly francis@daoine.org

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