On 28.04.2021 16:12, Gunter Grodotzki wrote:
sadly the whole object is empty. no key / no value.


Try the following variable

http://nginx.org/en/docs/http/ngx_http_core_module.html#var_request_uri

decodeURIComponent(r.variables.request_uri.split('?')[1])


in njs CLI

>> decodeURIComponent("https://url.rw/?https%3A%2F%2Flifeofguenter.de".split('?')[1])
'https://lifeofguenter.de'

On 28 Apr 2021, at 14:17, Sergey A. Osokin <o...@freebsd.org.ru> wrote:

On Wed, Apr 28, 2021 at 07:45:37AM +0200, Gunter Grodotzki wrote:
Unfortunately r.args is empty if no key/value pair is given.
Well, the r.args is empty in case of an emptyness of a querystring.

But we have a bit different case when URL contains a query
string with a key, but without a value for that one,
i.e. "https://url.rw/?https%3A%2F%2Flifeofguenter.de";.

So, the "https%3A%2F%2Flifeofguenter.de" is the key and its value
is empty.

--
Sergey Osokin
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