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|
{ config, pkgs, lib, ... }:
let
inherit (builtins) toString;
inherit (lib)
filter filterAttrs hasPrefix mapAttrsToList
mkEnableOption concatStrings mkIf mkOption types ;
inherit (types)
enum int nullOr attrsOf path str submodule ;
explicit = filterAttrs (n: v: n != "_module" && v != null);
cfg = config.nixsap.apps.sproxy;
oauth2Options = concatStrings (mapAttrsToList (n: c:
if n == "google" then ''
client_id : ${c.client_id}
client_secret : ${c.client_secret_file}
'' else ''
${n}_client_id : ${c.client_id}
${n}_client_secret : ${c.client_secret_file}
''
) (explicit cfg.oauth2));
configFile = pkgs.writeText "sproxy.conf" ''
${oauth2Options}
user : ${cfg.user}
cookie_domain : ${cfg.cookieDomain}
cookie_name : ${cfg.cookieName}
database : "${cfg.database}"
listen : 443
log_level : ${cfg.logLevel}
log_target : stderr
ssl_certs : ${cfg.sslCert}
ssl_key : ${cfg.sslKey}
session_shelf_life : ${toString cfg.sessionShelfLife}
${if cfg.backendSocket != null then ''
backend_socket : ${cfg.backendSocket}
'' else ''
backend_address : ${cfg.backendAddress}
backend_port : ${toString cfg.backendPort}
''}
'';
keys = filter (hasPrefix "/run/keys/")
( [ cfg.sslKey ]
++ mapAttrsToList (_: c: c.client_secret_file) (explicit cfg.oauth2)
);
oauth2 = mkOption {
type = attrsOf (submodule {
options = {
client_id = mkOption {
type = str;
description = "OAuth2 client id";
};
client_secret_file = mkOption {
type = path;
description = "File with OAuth2 client secret";
};
};
});
example = {
google.client_id = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.apps.googleusercontent.com";
google.client_secret_file = "/run/keys/google_oauth2_secret";
};
};
in {
options.nixsap.apps.sproxy = {
enable = mkEnableOption "SProxy";
inherit oauth2;
user = mkOption {
description = "User to run as";
default = "sproxy";
type = str;
};
cookieDomain = mkOption {
description = "Cookie domain";
type = str;
example = "example.com";
};
cookieName = mkOption {
description = "Cookie name";
type = str;
example = "sproxy";
};
logLevel = mkOption {
description = "Log level";
default = "info";
type = enum [ "info" "warn" "debug" ];
};
sslCert = mkOption {
description = "SSL certificate (in PEM format)";
type = path;
};
sslKey = mkOption {
description = "SSL key (in PEM format) - secret";
type = path;
};
backendAddress = mkOption {
description = "Backend TCP address";
type = str;
default = "127.0.0.1";
};
backendPort = mkOption {
description = "Backend TCP port";
type = int;
example = 8080;
};
backendSocket = mkOption {
description = "Backend UNIX socket. If set, other backend options are ignored";
type = nullOr path;
default = null;
};
database = mkOption {
description = "PostgreSQL connection string";
type = str;
example = "user=sproxy dbname=sproxy port=6001";
};
sessionShelfLife = mkOption {
description = "Session shelf life in seconds";
type = int;
default = 3600 * 24 * 14; # two weeks
};
};
config = mkIf cfg.enable {
nixsap.system.users.daemons = [ cfg.user ];
nixsap.deployment.keyrings.${cfg.user} = keys;
systemd.services.sproxy = {
description = "Sproxy secure proxy";
wantedBy = [ "multi-user.target" ];
wants = [ "keys.target" ];
after = [ "keys.target" "network.target" "local-fs.target" ];
serviceConfig = {
ExecStart = "${pkgs.sproxy}/bin/sproxy --config=${configFile}";
Restart = "on-failure";
};
};
};
}
|
