From 3e294aac74745042fedc9032e14e8049e953ec91 Mon Sep 17 00:00:00 2001
From: Yorick van Pelt <yorickvanpelt@gmail.com>
Date: Fri, 29 Jul 2016 19:04:28 +0200
Subject: [PATCH] encrypt pub

---
 roles/pub.nix | 42 +++++++++++++++++++++++++++++++++++-------
 1 file changed, 35 insertions(+), 7 deletions(-)

diff --git a/roles/pub.nix b/roles/pub.nix
index 6bf0edb..9b8fe30 100644
--- a/roles/pub.nix
+++ b/roles/pub.nix
@@ -1,6 +1,10 @@
 { config, pkgs, lib, ... }:
+let secrets = import <secrets>;
+  acmeWebRoot = "/etc/sslcerts/acmeroot";
+  acmeKeyDir = "${config.security.acme.directory}/pub.yori.cc";
+in
 {
-  imports = [../modules/le_nginx.nix];
+  imports = [../modules/nginx.nix];
   config = {
     users.extraUsers.public = {
       home = "/home/public";
@@ -8,11 +12,35 @@
       openssh.authorizedKeys.keys = with (import ../sshkeys.nix); [public];
       createHome = true;
     };
-    le_nginx.servers."pub.yori.cc" = ''
-      location / {
-        root /home/public/public;
-        index index.html;
-      }
-    '';
+    nginxssl.servers."pub.yori.cc" = {
+      key_root = acmeKeyDir;
+      key_webroot = "/etc/sslcerts/acmeroot";
+      contents = ''
+        location / {
+          root /home/public/public;
+          index index.html;
+        }
+      '';
+    };
+    # Let's Encrypt configuration.
+    security.acme.certs."pub.yori.cc" =
+      { email = secrets.email;
+        webroot = config.nginxssl.servers."pub.yori.cc".key_webroot;
+        postRun = "systemctl reload nginx.service";
+      };
+    # Generate a dummy self-signed certificate until we get one from
+    # Let's Encrypt.
+    system.activationScripts.letsEncryptKeys =
+      ''
+        dir=${acmeKeyDir}
+        mkdir -m 0700 -p $dir
+        if ! [[ -e $dir/key.pem ]]; then
+          ${pkgs.openssl}/bin/openssl genrsa -passout pass:foo -des3 -out $dir/key-in.pem 1024
+          ${pkgs.openssl}/bin/openssl req -passin pass:foo -new -key $dir/key-in.pem -out $dir/key.csr \
+            -subj "/C=NL/CN=www.example.com"
+          ${pkgs.openssl}/bin/openssl rsa -passin pass:foo -in $dir/key-in.pem -out $dir/key.pem
+          ${pkgs.openssl}/bin/openssl x509 -req -days 365 -in $dir/key.csr -signkey $dir/key.pem -out $dir/fullchain.pem
+        fi
+      '';
   };
 }