Getting part of nginx url as "variable"?

Question

I currently have this rule in my nginx config:

location /tun {
proxy_pass         http://url.domain.com/mp3.mp3;
  proxy_set_header  X-Real-IP  $remote_addr;
}

Which i use for tunneling in a private project. However, i want to make it dynamic.

I am looking for something like this:

location /tun/$URL$ {
proxy_pass         $URL$;
  proxy_set_header  X-Real-IP  $remote_addr;
}

So users can type in their own url's like that.

I understand there are security flaws in this, but i really want to see this happening!

Thanks in advance!

Tan Hong Tat · Accepted Answer · 2014-02-07 13:23:56Z

6

Try this:

resolver 8.8.8.8;
location ~* ^/tun/(.+)$ {
    proxy_pass http://$1;
    proxy_set_header  X-Real-IP  $remote_addr;
}

edited Feb 7, 2014 at 13:23

answered Feb 7, 2014 at 13:10

Tan Hong Tat

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3 Comments

Jacob Pedersen Over a year ago

Gives me a 500 internal server error. I'll try play around with it though, thanks!

Tan Hong Tat Over a year ago

Add http://$1. If you are proxying to external domain, includes resolver 8.8.8.8;

Marc Over a year ago

Note this will fail if your URL contains spaces. NGINX has an unacknowledged bug where the incoming /url%20with%20spaces will result in $1 = /url with spaces and this is passed unencoded to proxy_pass as /url with spaces which will never work.

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