diff options
Diffstat (limited to 'nix/hosts/corrino/www/git.emile.space.nix')
-rw-r--r-- | nix/hosts/corrino/www/git.emile.space.nix | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/nix/hosts/corrino/www/git.emile.space.nix b/nix/hosts/corrino/www/git.emile.space.nix index 2c7d64e..dceadb6 100644 --- a/nix/hosts/corrino/www/git.emile.space.nix +++ b/nix/hosts/corrino/www/git.emile.space.nix @@ -2,18 +2,113 @@ let cfg = config.services.gitea; + authelia-location = '' + set $upstream_authelia http://127.0.0.1:9091/api/authz/auth-request; + + ## Virtual endpoint created by nginx to forward auth requests. + location /internal/authelia/authz { + ## Essential Proxy Configuration + internal; + proxy_pass $upstream_authelia; + + ## Headers + ## The headers starting with X-* are required. + proxy_set_header X-Original-Method $request_method; + proxy_set_header X-Original-URL $scheme://$http_host$request_uri; + proxy_set_header X-Forwarded-For $remote_addr; + proxy_set_header Content-Length ""; + proxy_set_header Connection ""; + + ## Basic Proxy Configuration + proxy_pass_request_body off; + proxy_next_upstream error timeout invalid_header http_500 http_502 http_503; # Timeout if the real server is dead + proxy_redirect http:// $scheme://; + proxy_http_version 1.1; + proxy_cache_bypass $cookie_session; + proxy_no_cache $cookie_session; + proxy_buffers 4 32k; + client_body_buffer_size 128k; + + ## Advanced Proxy Configuration + send_timeout 5m; + proxy_read_timeout 240; + proxy_send_timeout 240; + proxy_connect_timeout 240; + } + ''; + + authelia-authrequest = '' + ## Send a subrequest to Authelia to verify if the user is authenticated and has permission to access the resource. + auth_request /internal/authelia/authz; + + ## Save the upstream metadata response headers from Authelia to 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; + + ## Inject the metadata response headers from the variables into the request made to the backend. + proxy_set_header Remote-User $user; + proxy_set_header Remote-Groups $groups; + proxy_set_header Remote-Email $email; + proxy_set_header Remote-Name $name; + + ## Configure the redirection when the authz failure occurs. Lines starting with 'Modern Method' and 'Legacy Method' + ## should be commented / uncommented as pairs. The modern method uses the session cookies configuration's authelia_url + ## value to determine the redirection URL here. It's much simpler and compatible with the mutli-cookie domain easily. + + ## Modern Method: Set the $redirection_url to the Location header of the response to the Authz endpoint. + auth_request_set $redirection_url $upstream_http_location; + + ## Modern Method: When there is a 401 response code from the authz endpoint redirect to the $redirection_url. + error_page 401 =302 $redirection_url; + + ## Legacy Method: Set $target_url to the original requested URL. + ## This requires http_set_misc module, replace 'set_escape_uri' with 'set' if you don't have this module. + # set_escape_uri $target_url $scheme://$http_host$request_uri; + + ## Legacy Method: When there is a 401 response code from the authz endpoint redirect to the portal with the 'rd' + ## URL parameter set to $target_url. This requires users update 'auth.example.com/' with their external authelia URL. + # error_page 401 =302 https://auth.example.com/?rd=$target_url; + ''; in { services.nginx.virtualHosts."git.emile.space" = { forceSSL = true; enableACME = true; + # TODO(emile): figure out why this doesn't work when enabled, has to do with authelia + # extraConfig = authelia-location; + locations = { "/" = { proxyPass = "http://127.0.0.1:3000"; + + # TODO(emile): figure out why this doesn't work when enabled, has to do with authelia + # extraConfig = authelia-authrequest; }; }; }; + # auth via authelia + services.authelia.instances.main.settings.identity_providers.oidc.clients = [ + { + id = "git"; + + # ; nix run nixpkgs#authelia -- crypto hash generate pbkdf2 --variant sha512 --random --random.length 72 --random.charset rfc3986 + secret = "$pbkdf2-sha512$310000$4bi9wRkfcqnjbdmgt7rU.g$pQ2mC6GW4.BQwanGKKFhFyIx6Y.WY80xd/YpmlYOPnlnGBWpp0dSOTv6a/2yqSA5D.EuRkGCyeexSE5FdCK2TA"; + public = false; + authorization_policy = "two_factor"; + redirect_uris = [ + "https://git.emile.space/user/oauth2/authelia/callback" + ]; + scopes = [ + "openid" + "email" + "profile" + ]; + } + ]; + services.gitea = rec { enable = true; |