docker-swag/root/defaults/nginx/authelia-location.conf.sample

## Version 2023/02/09 - Changelog: https://github.com/linuxserver/docker-swag/commits/master/root/defaults/nginx/authelia-location.conf.sample
# Make sure that your authelia container is in the same user defined bridge network and is named authelia
# Rename /config/nginx/proxy-confs/authelia.conf.sample to /config/nginx/proxy-confs/authelia.conf
# Make sure that the authelia configuration.yml has 'path: "authelia"' defined

## Send a subrequest to Authelia to verify if the user is authenticated and has permission to access the resource.
auth_request /authelia/api/verify;
## If the subreqest returns 200 pass to the backend, if the subrequest returns 401 redirect to the portal.
error_page 401 = @authelia_proxy_signin;

## Translate response headers from Authelia into variables
auth_request_set $user $upstream_http_remote_user;
auth_request_set $groups $upstream_http_remote_groups;
auth_request_set $name $upstream_http_remote_name;
auth_request_set $email $upstream_http_remote_email;
auth_request_set $authorization $upstream_http_authorization;
auth_request_set $proxy_authorization $upstream_http_proxy_authorization;

## Inject the response header variables into the request made to the actual upstream
proxy_set_header Remote-User $user;
proxy_set_header Remote-Groups $groups;
proxy_set_header Remote-Name $name;
proxy_set_header Remote-Email $email;
proxy_set_header Authorization $authorization;
proxy_set_header Proxy-Authorization $proxy_authorization;

## Include the Set-Cookie header if present.
auth_request_set $set_cookie $upstream_http_set_cookie;
add_header Set-Cookie $set_cookie;