From 8edba9502150ff9cd7567526a51964d6c8703a42 Mon Sep 17 00:00:00 2001
From: derped <derped@ophanim.de>
Date: Mon, 11 Sep 2023 19:31:15 +0200
Subject: [PATCH] Generate accepted public key files through sops.

---
 config/users.nix     | 4 ----
 services/openssh.nix | 9 ++++++++-
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/config/users.nix b/config/users.nix
index 8fc973a..5ad3bfd 100644
--- a/config/users.nix
+++ b/config/users.nix
@@ -27,10 +27,6 @@ let
         ++ (optional withPodman "podman");
       shell = "${pkgs.zsh}/bin/zsh";
       passwordFile = passPath;
-      # TODO: Fix for sops
-      # openssh.authorizedKeys.keyFiles = optional
-      #   (cfg.openssh.enable && (builtins.pathExists "${passPath}.pub"))
-      #   "${passPath}.pub";
     };
   };
 
diff --git a/services/openssh.nix b/services/openssh.nix
index 3c239a4..5521536 100644
--- a/services/openssh.nix
+++ b/services/openssh.nix
@@ -1,4 +1,4 @@
-{ config, lib, ... }:
+{ config, lib, fn, ... }:
 
 # For reference:
 # https://infosec.mozilla.org/guidelines/openssh.html
@@ -25,4 +25,11 @@ mkIf (elem "openssh" config.machine.services) {
         LogLevel VERBOSE
     '';
   };
+  # Add public keys to /etc/ssh/authorized_keys.d
+  # This replaces users.users.*.openssh.authorizedKeys.*
+  sops.secrets = (fn.sopsHelper
+    (user: "users/${user.name}/publicKey")
+    config.machine.administrators
+    (user: { path = "/etc/ssh/authorized_keys.d/${user.name}"; mode = "444"; })
+  );
 }