81 lines
3.2 KiB
Nix
81 lines
3.2 KiB
Nix
{ pkgs, ... }:
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# most is taken from this discussion https://www.reddit.com/r/NixOS/comments/15trmac/how_would_you_do_a_nginx_snippets_in_nixos/
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# with the following gist https://gist.github.com/aswan89/ee554406c39eb2eeb3126f73f74ab61c
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let
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AUTHELIA_HOST = "http://localhost:9091";
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autheliaLocation = pkgs.writeText "authelia-location.conf" ''
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## Essential Proxy Configuration
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internal;
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proxy_pass ${AUTHELIA_HOST}/api/verify;
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## Headers
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## The headers starting with X-* are required.
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proxy_set_header X-Original-URL $scheme://$http_host$request_uri;
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proxy_set_header X-Original-Method $request_method;
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proxy_set_header X-Forwarded-Method $request_method;
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proxy_set_header X-Forwarded-Proto $scheme;
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proxy_set_header X-Forwarded-Host $http_host;
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proxy_set_header X-Forwarded-Uri $request_uri;
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proxy_set_header X-Forwarded-For $remote_addr;
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proxy_set_header Content-Length "";
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proxy_set_header Connection "";
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## Basic Proxy Configuration
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proxy_pass_request_body off;
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proxy_next_upstream error timeout invalid_header http_500 http_502 http_503; # Timeout if the real server is dead
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proxy_redirect http:// $scheme://;
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proxy_http_version 1.1;
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proxy_cache_bypass $cookie_session;
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proxy_no_cache $cookie_session;
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proxy_buffers 4 32k;
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client_body_buffer_size 128k;
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## Advanced Proxy Configuration
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send_timeout 5m;
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proxy_read_timeout 240;
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proxy_send_timeout 240;
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proxy_connect_timeout 240;
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'';
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autheliaRequest = pkgs.writeText "authelia-authrequest.conf" ''
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### goes inside a location block to make the request to authelia
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## Send a subrequest to Authelia to verify if the user is authenticated and has permission to access the resource.
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auth_request /authelia;
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## Set the $target_url variable based on the original request.
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## Comment this line if you're using nginx without the http_set_misc module.
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#set_escape_uri $target_url $scheme://$http_host$request_uri;
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## Uncomment this line if you're using NGINX without the http_set_misc module.
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set $target_url $scheme://$http_host$request_uri;
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## Save the upstream response headers from Authelia to variables.
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auth_request_set $user $upstream_http_remote_user;
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auth_request_set $groups $upstream_http_remote_groups;
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auth_request_set $name $upstream_http_remote_name;
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auth_request_set $email $upstream_http_remote_email;
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## Inject the response headers from the variables into the request made to the backend.
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proxy_set_header Remote-User $user;
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proxy_set_header Remote-Groups $groups;
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proxy_set_header Remote-Name $name;
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proxy_set_header Remote-Email $email;
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## If the subreqest returns 200 pass to the backend, if the subrequest returns 401 redirect to the portal.
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error_page 401 =302 https://auth.fricloud.dk/?rd=$target_url;
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'';
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in {
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services.nginx.virtualHosts."test.fricloud.dk" = {
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forceSSL = true;
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enableACME = true;
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locations."/authelia" = {
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recommendedProxySettings = false;
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extraConfig = ''
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include ${autheliaLocation};
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'';
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};
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locations."/" = {
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root = pkgs.writeTextDir "index.html" ''
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ACCESS GRANTED!
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'';
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extraConfig = ''
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include ${autheliaRequest};
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'';
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};
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};
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}
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