From b6f809a92b8f4b5cca1d3cddc9480a0dc0275210 Mon Sep 17 00:00:00 2001
From: traxys <quentin+dev@familleboyer.net>
Date: Sat, 29 Jul 2023 10:25:22 +0200
Subject: [PATCH] Add all settings

---
 nixos/default.nix | 114 ++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 99 insertions(+), 15 deletions(-)

diff --git a/nixos/default.nix b/nixos/default.nix
index 051bbdf..e282776 100644
--- a/nixos/default.nix
+++ b/nixos/default.nix
@@ -2,6 +2,7 @@ self: {
   pkgs,
   lib,
   config,
+  options,
   ...
 }:
 with lib; {
@@ -13,9 +14,68 @@ with lib; {
       default = self.packages.${config.nixpkgs.system}.server;
     };
 
-    apiPort = mkOption {
-      type = types.port;
-      default = 8085;
+    settings = {
+      jwtSecret = mkOption {
+        type = types.nullOr types.str;
+        default = null;
+        description = ''
+          The JWT secret to be used by the application. Should be passed through environmentFile,
+          with REGALADE_JWT_SECRET.
+        '';
+      };
+
+      host = mkOption {
+        type = types.str;
+        default = "0.0.0.0";
+        description = "The listen address";
+      };
+
+      port = mkOption {
+        type = types.port;
+        default = 8085;
+      };
+
+      apiAllowed = mkOption {
+        type = types.nullOr types.str;
+        default = null;
+        description = "The CORS Access-Control-Allow-Origin value";
+      };
+
+      databaseUrl = mkOption {
+        type = types.str;
+        default = "postgres://${config.services.regalade.user}/regalade?host=/var/run/postgresql";
+      };
+
+      sqlxLogging = mkEnableOption "logging of all SQL operations";
+
+      oidc = {
+        enable = mkEnableOption "authentication using an OIDC provider";
+
+        url = mkOption {
+          type = types.str;
+          description = "The base URL of the provider (directory where the .well-known is)";
+        };
+
+        id = mkOption {
+          type = types.str;
+          description = "Client ID";
+        };
+
+        secret = mkOption {
+          type = types.nullOr types.str;
+          description = "The environment variable REGALADE_OIDC__SECRET should be preferred";
+        };
+
+        scopes = mkOption {
+          type = types.listOf types.str;
+          default = ["openid" "profile" "email"];
+        };
+
+        domain = mkOption {
+          type = types.str;
+          description = "URL at which to redirect, where the application is deployed";
+        };
+      };
     };
 
     user = mkOption {
@@ -74,20 +134,44 @@ with lib; {
           PrivateMounts = true;
         };
 
-        environment = {
-          REGALADE_DATABASE_URL = "postgres://${cfg.user}/regalade?host=/var/run/postgresql";
-        };
+        environment =
+          {
+            REGALADE_DATABASE_URL = cfg.settings.databaseUrl;
+            REGALADE_JWT_SECRET = cfg.settings.jwtSecret;
+            REGALADE_HOST = cfg.settings.host;
+            REGALADE_PORT = toString cfg.settings.port;
+            REGALADE_API_ALLOWED = cfg.settings.apiAllowed;
+            REGALADE_SQLX_LOGGING =
+              if cfg.settings.sqlxLogging
+              then "true"
+              else "false";
+          }
+          // (
+            if cfg.settings.oidc.enable
+            then let
+              inherit (cfg.settings) oidc;
+            in {
+              REGALADE_OIDC__URL = oidc.url;
+              REGALADE_OIDC__ID = oidc.id;
+              REGALADE_OIDC__SECRET = oidc.secret;
+              REGALADE_OIDC__DOMAIN = oidc.domain;
+              REGALADE_OIDC__SCOPES = lib.strings.concatStringsSep "," oidc.scopes;
+            }
+            else {}
+          );
       };
 
-      services.postgresql = {
-        ensureUsers = [
-          {
-            name = cfg.user;
-            ensurePermissions = {"DATABASE \"regalade\"" = "ALL PRIVILEGES";};
-          }
-        ];
-        ensureDatabases = ["regalade"];
-      };
+      services.postgresql =
+        mkIf (cfg.settings.databaseUrl == options.services.regalade.settings.databaseUrl.default)
+        {
+          ensureUsers = [
+            {
+              name = cfg.user;
+              ensurePermissions = {"DATABASE \"regalade\"" = "ALL PRIVILEGES";};
+            }
+          ];
+          ensureDatabases = ["regalade"];
+        };
 
       users = mkIf (cfg.user == "regalade") {
         users.regalade = {