70 lines
2.2 KiB
Nix
70 lines
2.2 KiB
Nix
{ inputs, ... }:
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let
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caURL = "https://janus.john-stream.com/";
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stepFingerprint = "2036c44f7b5901566ff7611ea6c927291ecc6d2dd00779c0eead70ec77fa10d6";
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in
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{
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#
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# Home Manager Module
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#
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flake.modules.homeManager.step-ssh-user = { config, pkgs, lib, ... }:
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let
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cfg = config.step-ssh-user;
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firstPrincipal = lib.head cfg.principals;
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principalArgs = lib.concatMapStringsSep " "
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(principal: "--principal \"${principal}\"") cfg.principals;
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in
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{
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options.step-ssh-user = {
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enable = lib.mkEnableOption "opionated step client config for SSH certs";
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caURL = lib.mkOption {
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type = lib.types.str;
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default = "${caURL}";
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};
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fingerprint = lib.mkOption {
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type = lib.types.str;
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default = "${stepFingerprint}";
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};
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rootCertFile = {
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path = lib.mkOption {
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type = lib.types.str;
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description = "String path to where the root_ca.crt file will be stored for the user";
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default = ".step/certs/root_ca.crt";
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};
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source = lib.mkOption {
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type = lib.types.path;
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description = "Nix path to the root cert file within the repo";
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default = ../../keys/root_ca.crt;
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};
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};
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provisioner = lib.mkOption {
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type = lib.types.str;
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default = "admin";
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};
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principals = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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# default = [ ];
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};
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};
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config = lib.mkIf cfg.enable {
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home.file."${cfg.rootCertFile.path}".source = cfg.rootCertFile.source;
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home.file.".step/config/defaults.json".text = builtins.toJSON {
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"ca-url" = cfg.caURL;
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fingerprint = cfg.fingerprint;
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root = "${config.home.homeDirectory}/${cfg.rootCertFile.path}";
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};
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sops.secrets."janus/admin_jwk".mode = "0400";
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home.packages = with pkgs; [
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(writeShellScriptBin "sign-ssh-cert" ''
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${lib.getExe pkgs.step-cli} ssh certificate \
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--sign \
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${principalArgs} \
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--provisioner "${cfg.provisioner}" \
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--provisioner-password-file "${config.sops.secrets."janus/admin_jwk".path}" \
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"${firstPrincipal}" "${config.ssh.IdentityFile}.pub"
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'')
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];
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};
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};
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}
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