sks and pgpkeyserver-lite modules: init (#27515)

* modules sks and pgpkeyserver-lite:
  runs the sks keyserver with optional nginx proxy for webgui.
* Add calbrecht to maintainers
* module sks: fix default hkpAddress value
* module pgpkeyserver-lite: make hkpAddress a string type option
  and use (builtins.head services.sks.hkpAddress) as default value
* module sks: remove leftover service dependencies

1 files changed, 75 insertions, 0 deletions

diff --git a/nixos/modules/services/web-apps/pgpkeyserver-lite.nix b/nixos/modules/services/web-apps/pgpkeyserver-lite.nix
new file mode 100644
index 000000000000..93f69bd12651
--- /dev/null
+++ b/nixos/modules/services/web-apps/pgpkeyserver-lite.nix
@@ -0,0 +1,75 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.services.pgpkeyserver-lite;
+  sksCfg = config.services.sks;
+
+  webPkg = cfg.package;
+
+in
+
+{
+
+  options = {
+
+    services.pgpkeyserver-lite = {
+
+      enable = mkEnableOption "pgpkeyserver-lite on a nginx vHost proxying to a gpg keyserver";
+
+      package = mkOption {
+        default = pkgs.pgpkeyserver-lite;
+        defaultText = "pkgs.pgpkeyserver-lite";
+        type = types.package;
+        description = "
+          Which webgui derivation to use.
+        ";
+      };
+
+      hostname = mkOption {
+        type = types.str;
+        description = "
+          Which hostname to set the vHost to that is proxying to sks.
+        ";
+      };     
+
+      hkpAddress = mkOption {
+        default = builtins.head sksCfg.hkpAddress;
+        type = types.str;
+        description = "
+          Wich ip address the sks-keyserver is listening on.
+        ";
+      };
+
+      hkpPort = mkOption {
+        default = sksCfg.hkpPort;
+        type = types.int;
+        description = "
+          Which port the sks-keyserver is listening on.
+        ";
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+
+    services.nginx.enable = true;
+
+    services.nginx.virtualHosts = let
+      hkpPort = builtins.toString cfg.hkpPort;
+    in {
+      "${cfg.hostname}" = {
+        root = webPkg;
+        locations = {
+          "/pks".extraConfig = ''
+            proxy_pass         http://${cfg.hkpAddress}:${hkpPort};
+            proxy_pass_header  Server;
+            add_header         Via "1.1 ${cfg.hostname}";
+          '';
+        };
+      };
+    };
+  };
+}