Services: Add LanguageTool as a hosted service

flake.lock

@@ -234,11 +234,11 @@
     "nix-secrets": {
       "flake": false,
       "locked": {
-        "lastModified": 1721656822,
+        "lastModified": 1722196383,
-        "narHash": "sha256-85jL6CvmxPloZDL313Eezu8mcEeGM+YzonlYyshz3w0=",
+        "narHash": "sha256-2tU2b8YFpMtHe/YKFS8SmQiJCqnZ12hvc8KKspBBXRY=",
         "ref": "refs/heads/main",
-        "rev": "5f2de4bcc3be600a26db59334186537a23c4693b",
+        "rev": "39cb0b58584e4763879310c779f75e30dd0b778a",
-        "revCount": 54,
+        "revCount": 55,
         "type": "git",
         "url": "file:./nix-secrets"
       },

hosts/Dimaga/default.nix

@@ -181,6 +181,13 @@ in
           token = config.secrets.services.forgejo.runner-token;
         };
       };
+      languagetool = {
+        enable = true;
+        ngrams.enable = true;
+        domain = config.secrets.networking.primaryDomain;
+        password = config.secrets.services.languagetool.password;
+        url = config.secrets.services.languagetool.url;
+      };
       msmtp.enable = true;
       nginx = {
         enable = true;

modules/services/languagetool.nix

@@ -0,0 +1,66 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}:
+let
+  cfg = config.aux.system.services.languagetool;
+in
+{
+  options = {
+    aux.system.services.languagetool = {
+      enable = lib.mkEnableOption (lib.mdDoc "Enables LanguageTool server.");
+      ngrams.enable = lib.mkEnableOption (
+        lib.mdDoc "Enables n-gram data set. See https://dev.languagetool.org/finding-errors-using-n-gram-data.html"
+      );
+      domain = lib.mkOption {
+        default = "";
+        type = lib.types.str;
+        description = "The root domain that LanguageTool will be hosted on.";
+        example = "example.com";
+      };
+      password = lib.mkOption {
+        default = "";
+        type = lib.types.str;
+        description = "The password to use for basic authentication for LanguageTool.";
+        example = "MySuperSecurePassword123";
+      };
+      url = lib.mkOption {
+        default = "";
+        type = lib.types.str;
+        description = "The complete URL where LanguageTool is hosted.";
+        example = "https://languagetool.example.com";
+      };
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    services = {
+      languagetool = lib.mkIf cfg.enable {
+        enable = true;
+        port = 8090;
+        public = true;
+        allowOrigin = "*";
+        # Enable Ngrams
+        settings.languageModel = lib.mkIf cfg.ngrams.enable "${
+          (pkgs.callPackage ../../packages/languagetool-ngrams.nix { inherit pkgs lib; })
+        }/ngrams";
+      };
+      # Create Nginx virtualhost
+      nginx.virtualHosts."${cfg.url}" = {
+        useACMEHost = cfg.domain;
+        forceSSL = true;
+        basicAuth = {
+          ltuser = cfg.password;
+        };
+        locations."/" = {
+          proxyPass = "http://127.0.0.1:8090";
+          extraConfig = "proxy_ssl_server_name on;";
+        };
+      };
+    };
+
+    systemd.services.nginx.wants = [ config.systemd.services.languagetool.name ];
+  };
+}

nix-secrets

@@ -1 +1 @@
-Subproject commit 5f2de4bcc3be600a26db59334186537a23c4693b
+Subproject commit 39cb0b58584e4763879310c779f75e30dd0b778a