The nginx http auth request module will only return default error pages

Question

I use nginx as the only entry point to my solution.

My goal is to send some authentication url before proceeding.

I found a module named: ngx_http_auth_request_modulethat is suitable for solving my problem.

http://nginx.org/en/docs/http/ngx_http_auth_request_module.html

I compile my nginx as follows: ./configure --with-http_auth_request_module

my code is as follows:

http {

    server {
        listen       8080 default_server;

        server_name _;

        location /api {
            auth_request /auth;
            proxy_pass  http://localhost:8000;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection 'upgrade';
            proxy_set_header Host $host;
            proxy_cache_bypass $http_upgrade;
        }

        location = /auth {
            proxy_pass http://localhost:8000/auth/user;
            proxy_pass_request_body off;
            proxy_set_header Content-Length "";
            proxy_set_header X-Original-URI $request_uri;
        }

    }
}

my problem is that if my server returns and an error, for example 401, the default page appears. I want to return the json that was returned from my authentication service. it is useless without it. what's the point of showing only a shared page 401? I want to return my json proxy response.

Please, help.

Answer 1

auth_request .

error_page 401 /auth;

auth /auth, .