aboutsummaryrefslogtreecommitdiff
path: root/flake.nix
blob: 1e64daf99b92cfe7a8f4636007ce569c94fdbf5c (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
{
  inputs = {
    flake-utils.url = "github:numtide/flake-utils";
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
  };

  outputs =
    {
      flake-utils,
      nixpkgs,
      self,
    }:
    flake-utils.lib.eachDefaultSystem (
      system:
      let
        inherit (pkgs) lib;

        pkgs = import nixpkgs {
          inherit system;
        };
      in
      {
        packages = {
          pia = import ./cli.nix { inherit lib pkgs; };
          default = self.packages.${system}.pia;
        };

        apps = {
          default = self.apps.${system}.pia;

          pia = {
            type = "app";
            program = "${self.packages.${system}.pia}/bin/pia";

            meta = with pkgs.lib; {
              description = "Private Internet Access VPN CLI for NixOS";
              license = licenses.gpl3Only;
              maintainers = [ maintainers.Fuwn ];
              homepage = "https://github.com/Fuwn/pia.nix";
              mainPackage = "pia";
              platforms = platforms.linux;
            };
          };
        };

        nixosModules.default =
          { config, ... }:
          {
            options.services.pia = {
              enable = lib.mkOption {
                default = false;
                type = lib.types.bool;
              };

              authUserPass = {
                username = lib.mkOption {
                  default = false;
                  type = lib.types.str;
                };

                password = lib.mkOption {
                  default = false;
                  type = lib.types.str;
                };
              };
            };

            config = lib.mkIf config.services.pia.enable {
              environment.systemPackages = [
                self.packages.${system}.pia
              ];

              services.openvpn.servers =
                let
                  resources = pkgs.fetchzip {
                    name = "pia-vpn-config";
                    url = "https://www.privateinternetaccess.com/openvpn/openvpn.zip";
                    sha256 = "ZA8RS6eIjMVQfBt+9hYyhaq8LByy5oJaO9Ed+x8KtW8=";
                    stripRoot = false;
                  };
                in
                builtins.listToAttrs (
                  map
                    (name: {
                      name =
                        (builtins.replaceStrings
                          [
                            ".ovpn"
                            "_"
                          ]
                          [
                            ""
                            "-"
                          ]
                        )
                          name;

                      value = {
                        inherit (config.services.pia) authUserPass;

                        autoStart = false;
                        config = "config ${resources}/${name}";
                        updateResolvConf = true;
                      };
                    })
                    (
                      builtins.filter (name: (builtins.match ".+ovpn$" name) != null) (
                        builtins.attrNames (builtins.readDir resources)
                      )
                    )
                );
            };
          };
      }
    );
}