server/configs/nginx/auth/oidc.conf

error_page 401 = @error401;

location /challenge_access {
    # forward the /validate request to Vouch Proxy
    proxy_pass http://auth:9090;
    # be sure to pass the original host header
    proxy_set_header Host $http_host;

    # Vouch Proxy only acts on the request headers
    proxy_pass_request_body off;
    proxy_set_header Content-Length "";

    # optionally add X-Vouch-User as returned by Vouch Proxy along with the request
    auth_request_set $auth_resp_x_vouch_user $upstream_http_x_vouch_user;

    # these return values are used by the @error401 call
    auth_request_set $auth_resp_jwt $upstream_http_x_vouch_jwt;
    auth_request_set $auth_resp_err $upstream_http_x_vouch_err;
    auth_request_set $auth_resp_failcount $upstream_http_x_vouch_failcount;
}

# If the user is not logged in, redirect them to Vouch's login URL
location @error401 {
    return 302 https://live.fic.srs.epita.fr/challenge_access/login?url=https://live.fic.srs.epita.fr$request_uri&vouch-failcount=$auth_resp_failcount&X-Vouch-Token=$auth_resp_jwt&error=$auth_resp_err;
}

location /auth {
    proxy_pass http://auth:5556;
}
location /approval {
    proxy_pass http://auth:5556;
}
location /token {
    proxy_pass http://auth:5556;
}
location /keys {
    proxy_pass http://auth:5556;
}
location /userinfo {
    proxy_pass http://auth:5556;
}
location /static {
    proxy_pass http://auth:5556;
}
location /theme {
    proxy_pass http://auth:5556;
}
location /.well-known/openid-configuration {
    proxy_pass http://auth:5556;
}