added

hosts/modules/searxng.nix

@@ -0,0 +1,164 @@
+{
+  pkgs,
+  lib,
+  ...
+}: let
+  domain = null;
+  acmeEmail = null;
+  envFile = "/var/lib/searx/searxng.env";
+in {
+  services.searx = {
+    enable = true;
+    package = pkgs.searxng;
+    redisCreateLocally = true;
+    environmentFile = envFile;
+    runInUwsgi = false;
+    settings = {
+      server = {
+        bind_address = "127.0.0.1";
+        port = 11212;
+        limiter = true;
+        image_proxy = true;
+        base_url = lib.mkIf (domain != null) "https://${domain}";
+      };
+      ui = {
+        default_locale = "en";
+        default_theme = "simple";
+      };
+      search = {
+        safe_search = 0;
+        autocomplete = "google";
+        default_engine = "google_web";
+        default_categories = ["general" "it" "images" "videos" "map"];
+      };
+      enabled_plugins = ["hash" "self_info" "tracker_url_remover" "hostname_replace"];
+      engines = [
+        {
+          name = "duckduckgo_web";
+          engine = "duckduckgo";
+          disabled = false;
+          categories = ["general"];
+          weight = 0.9;
+          timeout = 3.0;
+        }
+        {
+          name = "google_web";
+          engine = "google";
+          disabled = false;
+          categories = ["general"];
+          weight = 0.75;
+          timeout = 4.0;
+        }
+        {
+          name = "bing_web";
+          engine = "bing";
+          disabled = false;
+          categories = ["general"];
+          weight = 0.4;
+          timeout = 4.0;
+        }
+        {
+          name = "wikipedia";
+          engine = "wikipedia";
+          disabled = false;
+          categories = ["general"];
+          timeout = 3.0;
+        }
+        {
+          name = "wikibooks";
+          engine = "wikibooks";
+          disabled = false;
+          categories = ["general"];
+          timeout = 3.0;
+        }
+        {
+          name = "wiktionary";
+          engine = "wiktionary";
+          disabled = false;
+          categories = ["general"];
+          timeout = 3.0;
+        }
+        {
+          name = "github_code";
+          engine = "github";
+          disabled = false;
+          categories = ["it"];
+          timeout = 4.0;
+        }
+        {
+          name = "wikicommons_img";
+          engine = "wikicommons";
+          disabled = false;
+          categories = ["images"];
+          timeout = 4.0;
+        }
+        {
+          name = "youtube_video";
+          engine = "youtube";
+          disabled = false;
+          categories = ["videos"];
+          timeout = 5.0;
+        }
+        {
+          name = "peertube_video";
+          engine = "peertube";
+          disabled = false;
+          categories = ["videos"];
+          timeout = 5.0;
+        }
+        {
+          name = "openstreetmap";
+          engine = "openstreetmap";
+          disabled = false;
+          categories = ["map"];
+          timeout = 4.0;
+        }
+        {
+          name = "google_maps";
+          engine = "google_maps";
+          disabled = false;
+          categories = ["map"];
+          timeout = 4.0;
+        }
+      ];
+    };
+    limiterSettings.real_ip = {
+      x_for = 1;
+      ipv4_prefix = 32;
+      ipv6_prefix = 56;
+    };
+  };
+  systemd.services.searx-secret = {
+    description = "Generate SearXNG secret";
+    wantedBy = ["multi-user.target"];
+    before = ["searx-init.service" "searx.service"];
+    serviceConfig = {
+      Type = "oneshot";
+      User = "root";
+      Group = "root";
+    };
+    script = ''
+      set -euo pipefail
+      install -d -m 0750 -o searx -g searx /var/lib/searx
+      if [ ! -f ${envFile} ]; then
+        umask 0077
+        echo "SEARXNG_SECRET=$(${pkgs.openssl}/bin/openssl rand -hex 32)" > ${envFile}
+        chown searx:searx ${envFile}
+        chmod 0640 ${envFile}
+      fi
+    '';
+  };
+  systemd.services.searx-init = {
+    wants = ["searx-secret.service"];
+    after = ["searx-secret.service"];
+  };
+  systemd.services.searx = {
+    wants = ["searx-secret.service"];
+    after = ["searx-secret.service"];
+  };
+  users.groups.searx.members = ["nginx"];
+  security.acme = lib.mkIf (domain != null) {
+    acceptTerms = true;
+    defaults = lib.mkIf (acmeEmail != null) {email = acmeEmail;};
+  };
+}

hosts/system-packages.nix

@@ -28,6 +28,7 @@
     ./modules/libs.nix
     ./modules/rgb.nix
     ./modules/nano.nix
+    ./modules/searxng.nix
   ];
   npm.enable = true;
   services.udisks2.enable = true;