From 4d56e9782a06e34e6768b869ba1b1380cadaa6fc Mon Sep 17 00:00:00 2001
From: ibizaman <ibizapeanut@gmail.com>
Date: Mon, 17 Jul 2023 00:01:45 -0700
Subject: [PATCH] add ldap with web UI thanks to lldap

---
 flake.nix        |   1 +
 modules/ldap.nix | 106 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 107 insertions(+)
 create mode 100644 modules/ldap.nix

diff --git a/flake.nix b/flake.nix
index e566bde..54b8a00 100644
--- a/flake.nix
+++ b/flake.nix
@@ -15,6 +15,7 @@
         modules/jellyfin.nix
         modules/monitoring.nix
         modules/nextcloud-server.nix
+        modules/ldap.nix
       ];
     };
 
diff --git a/modules/ldap.nix b/modules/ldap.nix
new file mode 100644
index 0000000..b85f867
--- /dev/null
+++ b/modules/ldap.nix
@@ -0,0 +1,106 @@
+{ config, pkgs, lib, ... }:
+
+let
+  cfg = config.shb.ldap;
+
+  fqdn = "${cfg.subdomain}.${cfg.domain}";
+in
+{
+  options.shb.ldap = {
+    enable = lib.mkEnableOption "selfhostblocks.home-assistant";
+
+    dcdomain = lib.mkOption {
+      type = lib.types.str;
+      description = "dc domain for ldap.";
+      example = "dc=mydomain,dc=com";
+    };
+
+    subdomain = lib.mkOption {
+      type = lib.types.str;
+      description = "Subdomain under which home-assistant will be served.";
+      example = "grafana";
+    };
+
+    domain = lib.mkOption {
+      type = lib.types.str;
+      description = "domain under which home-assistant will be served.";
+      example = "mydomain.com";
+    };
+
+    sopsFile = lib.mkOption {
+      type = lib.types.path;
+      description = "Sops file location";
+      example = "secrets/ldap.yaml";
+    };
+  };
+
+  
+  config = lib.mkIf cfg.enable {
+    sops.secrets."lldap/user_password" = {
+      inherit (cfg) sopsFile;
+      mode = "0440";
+      owner = "lldap";
+      group = "lldap";
+      restartUnits = [ "lldap.service" ];
+    };
+    sops.secrets."lldap/jwt_secret" = {
+      inherit (cfg) sopsFile;
+      mode = "0440";
+      owner = "lldap";
+      group = "lldap";
+      restartUnits = [ "lldap.service" ];
+    };
+
+    services.nginx = {
+      enable = true;
+
+      virtualHosts.${fqdn} = {
+        forceSSL = true;
+        sslCertificate = "/var/lib/acme/${cfg.domain}/cert.pem";
+        sslCertificateKey = "/var/lib/acme/${cfg.domain}/key.pem";
+        locations."/" = {
+          extraConfig = ''
+            proxy_set_header Host $host;
+          '';
+          proxyPass = "http://${toString config.services.lldap.settings.http_host}:${toString config.services.lldap.settings.http_port}/";
+        };
+      };
+    };
+
+    users.users.lldap = {
+      name = "lldap";
+      group = "lldap";
+      isSystemUser = true;
+    };
+
+    users.groups.lldap = {
+      members = [ "backup" ];
+    };
+
+    services.lldap = {
+      enable = true;
+
+      environment = {
+        LLDAP_JWT_SECRET_FILE = "/run/secrets/lldap/jwt_secret";
+        LLDAP_LDAP_USER_PASS_FILE = "/run/secrets/lldap/user_password";
+      };
+
+      settings = {
+        http_url = "https://${fqdn}";
+        http_host = "127.0.0.1";
+        http_port = 17170;
+
+        ldap_host = "127.0.0.1";
+        ldap_port = 3890;
+
+        ldap_base_dn = cfg.dcdomain;
+      };
+    };
+
+    shb.backup.instances.lldap = {
+      sourceDirectories = [
+        "/var/lib/lldap"
+      ];
+    };
+  };
+}