1{
2 config,
3 lib,
4 pkgs,
5 utils,
6 ...
7}:
8let
9 cfg = config.services.nginx.sso;
10 format = pkgs.formats.yaml { };
11 configPath = "/var/lib/nginx-sso/config.yaml";
12in
13{
14 options.services.nginx.sso = {
15 enable = lib.mkEnableOption "nginx-sso service";
16
17 package = lib.mkPackageOption pkgs "nginx-sso" { };
18
19 configuration = lib.mkOption {
20 type = format.type;
21 default = { };
22 example = lib.literalExpression ''
23 {
24 listen = { addr = "127.0.0.1"; port = 8080; };
25
26 providers.token.tokens = {
27 myuser = {
28 _secret = "/path/to/secret/token.txt"; # File content should be the secret token
29 };
30 };
31
32 acl = {
33 rule_sets = [
34 {
35 rules = [ { field = "x-application"; equals = "MyApp"; } ];
36 allow = [ "myuser" ];
37 }
38 ];
39 };
40 }
41 '';
42 description = ''
43 nginx-sso configuration
44 ([documentation](https://github.com/Luzifer/nginx-sso/wiki/Main-Configuration))
45 as a Nix attribute set.
46
47 Options containing secret data should be set to an attribute set
48 with the singleton attribute `_secret` - a string value set to the path
49 to the file containing the secret value which should be used in the
50 configuration. This file must be readable by `nginx-sso`.
51 '';
52 };
53 };
54
55 config = lib.mkIf cfg.enable {
56 systemd.services.nginx-sso = {
57 description = "Nginx SSO Backend";
58 after = [ "network.target" ];
59 wantedBy = [ "multi-user.target" ];
60 serviceConfig = {
61 StateDirectory = "nginx-sso";
62 WorkingDirectory = "/var/lib/nginx-sso";
63 ExecStartPre = pkgs.writeShellScript "merge-nginx-sso-config" ''
64 rm -f '${configPath}'
65 # Relies on YAML being a superset of JSON
66 ${utils.genJqSecretsReplacementSnippet cfg.configuration configPath}
67 '';
68 ExecStart = ''
69 ${lib.getExe cfg.package} \
70 --config ${configPath} \
71 --frontend-dir ${lib.getBin cfg.package}/share/frontend
72 '';
73 Restart = "always";
74 User = "nginx-sso";
75 Group = "nginx-sso";
76 };
77 };
78
79 users.users.nginx-sso = {
80 isSystemUser = true;
81 group = "nginx-sso";
82 };
83
84 users.groups.nginx-sso = { };
85 };
86}