Update authelia-server.conf.sample

Author: nemchik

root/defaults/nginx/authelia-server.conf.sample

@@ -1,28 +1,52 @@
-## Version 2022/08/22 - Changelog: https://github.com/linuxserver/docker-swag/commits/master/root/defaults/nginx/authelia-server.conf.sample
+## Version 2022/09/22 - Changelog: https://github.com/linuxserver/docker-swag/commits/master/root/defaults/nginx/authelia-server.conf.sample
 # Make sure that your authelia container is in the same user defined bridge network and is named authelia
 
 location ^~ /authelia {
-
-    set $upstream_app authelia;
-    set $upstream_port 9091;
-    set $upstream_proto http;
-    proxy_pass $upstream_proto://$upstream_app:$upstream_port;
+    include /config/nginx/proxy.conf;
+    include /config/nginx/resolver.conf;
+    set $upstream_authelia authelia;
+    proxy_pass http://$upstream_authelia:9091;
 }
 
 location = /authelia/api/verify {
     internal;
-
-    set $upstream_app authelia;
-    set $upstream_port 9091;
-    set $upstream_proto http;
-    proxy_pass $upstream_proto://$upstream_app:$upstream_port;
+    if ($request_uri ~ [^a-zA-Z0-9_+-=\!@$%&*?~.:#'\;\(\)\[\]]) {
+        return 401;
+    }
+    include /config/nginx/resolver.conf;
+    set $upstream_authelia authelia;
+    proxy_pass_request_body off;
+    proxy_pass http://$upstream_authelia:9091;
+    proxy_set_header Content-Length "";
 
     # Timeout if the real server is dead
     proxy_next_upstream error timeout invalid_header http_500 http_502 http_503;
 
+    # [REQUIRED] Needed by Authelia to check authorizations of the resource.
+    # Provide either X-Original-URL and X-Forwarded-Proto or
+    # X-Forwarded-Proto, X-Forwarded-Host and X-Forwarded-Uri or both.
+    # Those headers will be used by Authelia to deduce the target url of the user.
+    # Basic Proxy Config
     client_body_buffer_size 128k;
+    proxy_set_header Host $host;
+    proxy_set_header X-Original-URL $scheme://$http_host$request_uri;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $remote_addr;
+    proxy_set_header X-Forwarded-Method $request_method;
+    proxy_set_header X-Forwarded-Proto $scheme;
+    proxy_set_header X-Forwarded-Host $http_host;
+    proxy_set_header X-Forwarded-Uri $request_uri;
+    proxy_set_header X-Forwarded-Ssl on;
+    proxy_redirect  http://  $scheme://;
+    proxy_http_version 1.1;
+    proxy_set_header Connection "";
+    proxy_cache_bypass $cookie_session;
+    proxy_no_cache $cookie_session;
     proxy_buffers 4 32k;
-    proxy_pass_request_body off;
-    proxy_set_header Content-Length "";
+
+    # Advanced Proxy Config
     send_timeout 5m;
+    proxy_read_timeout 240;
+    proxy_send_timeout 240;
+    proxy_connect_timeout 240;
 }