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Re: Rewriting query string

Sergey A. Osokin
December 29, 2019 07:00AM
Hi Olaf,

hope you're doing well.

On Sun, Dec 29, 2019 at 04:41:58AM -0500, Olaf van der Spek wrote:
> > rewrite ^(.*)$ $1?ra=$remote_addr break;
>
> The ra argument is inserted before the original query string. Is it possible
> to append it to the original query string?
> Is this behavior documented somewhere? Couldn't find it.
> Can one also remove certain arguments from the query string this way?

The following code snippet shows another arguments has been added after
the original query:

server {
listen 8080;
location / { return 200 "OK:$request_uri\n"; }
}

server {
listen 80;
location / {
rewrite ^(.*)$ $1?ra=$remote_addr break;
proxy_pass http://127.0.0.1:8080;
}
}
--------
% curl -i http://127.0.0.1/foo
HTTP/1.1 200 OK
Server: nginx/1.17.7
Date: Sun, 29 Dec 2019 11:51:32 GMT
Content-Type: application/octet-stream
Content-Length: 21
Connection: keep-alive

OK:/foo?ra=127.0.0.1
--------

There are several ways to manage a list of arguments of a query
string and the embedded perl module definitely can help in that
case.

Another approach is to use the following third-party module,
https://github.com/wandenberg/nginx-sorted-querystring-module

--
Sergey Osokin
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Subject Author Posted

Rewriting query string

Olaf van der Spek December 29, 2019 04:41AM

Re: Rewriting query string

Sergey A. Osokin December 29, 2019 07:00AM

Re: Rewriting query string

Francis Daly December 30, 2019 07:04AM



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