Nginx Exclude a query string url from being redirected

Question

I am currently redirecting my root domain to a subfolder. However I want to exclude a query string url which is used for an ajax call (www.example.com/?act=12). I am however unsure of how to do this in nginx.

This is my current nginx config file

server {
        listen          80;
        server_name     example.com;
        return 301      http://www.example.com$request_uri;

}

server {
        listen 80;
        server_name www.example.com;
        root /var/www/example.com/public;

        index index.php index.html;

        location = / {
                return 301 http://www.example.com/it/;
        }

        location / {
                proxy_pass http://localhost:8080;
                include /etc/nginx/proxy_params;
        }

        location ~* \.(js|css|jpg|jpeg|gif|png|svg|ico|pdf|html|htm)$ {
                expires 30d;
        }

        location ~ /\.ht {
        deny  all;
    }
}

Any help will be appreciated.

Richard Smith · Accepted Answer · 2016-03-19 19:47:12Z

2

That can be achieved by using the evil if block.

The query string arguments are presented as variables with a $arg_ prefix. If you just need to test that act is set, try this:

location = / {
    if ($arg_act) {
        rewrite ^ /my/ajax/call last;
    }
    return 301 http://www.example.com/it/;
}

If you need to test for a specific value of $arg_act use the = operator.

See this document for details.

answered Mar 19, 2016 at 19:47

Richard Smith

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