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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.mtprotoproxy;
configOpts = {
PORT = cfg.port;
USERS = cfg.users;
SECURE_ONLY = cfg.secureOnly;
} // lib.optionalAttrs (cfg.adTag != null) { AD_TAG = cfg.adTag; }
// cfg.extraConfig;
convertOption = opt:
if isString opt || isInt opt then
builtins.toJSON opt
else if isBool opt then
if opt then "True" else "False"
else if isList opt then
"[" + concatMapStringsSep "," convertOption opt + "]"
else if isAttrs opt then
"{" + concatStringsSep "," (mapAttrsToList (name: opt: "${builtins.toJSON name}: ${convertOption opt}") opt) + "}"
else
throw "Invalid option type";
configFile = pkgs.writeText "config.py" (concatStringsSep "\n" (mapAttrsToList (name: opt: "${name} = ${convertOption opt}") configOpts));
in
{
###### interface
options = {
services.mtprotoproxy = {
enable = mkEnableOption "mtprotoproxy";
port = mkOption {
type = types.int;
default = 3256;
description = ''
TCP port to accept mtproto connections on.
'';
};
users = mkOption {
type = types.attrsOf types.str;
example = {
tg = "00000000000000000000000000000000";
tg2 = "0123456789abcdef0123456789abcdef";
};
description = ''
Allowed users and their secrets. A secret is a 32 characters long hex string.
'';
};
secureOnly = mkOption {
type = types.bool;
default = true;
description = ''
Don't allow users to connect in non-secure mode (without random padding).
'';
};
adTag = mkOption {
type = types.nullOr types.str;
default = null;
# Taken from mtproxyproto's repo.
example = "3c09c680b76ee91a4c25ad51f742267d";
description = ''
Tag for advertising that can be obtained from @MTProxybot.
'';
};
extraConfig = mkOption {
type = types.attrs;
default = {};
example = {
STATS_PRINT_PERIOD = 600;
};
description = ''
Extra configuration options for mtprotoproxy.
'';
};
};
};
###### implementation
config = mkIf cfg.enable {
systemd.services.mtprotoproxy = {
description = "MTProto Proxy Daemon";
wantedBy = [ "multi-user.target" ];
serviceConfig = {
ExecStart = "${pkgs.mtprotoproxy}/bin/mtprotoproxy ${configFile}";
DynamicUser = true;
};
};
};
}
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