79 lines
2.4 KiB
Nix

{ config, lib, inputs, ... }:
let
external-ip = "89.23.180.18";
coturn-denied-ips = [
"0.0.0.0-0.255.255.255"
"10.0.0.0-10.255.255.255"
"100.64.0.0-100.127.255.255"
"127.0.0.0-127.255.255.255"
"169.254.0.0-169.254.255.255"
"172.16.0.0-172.31.255.255"
"192.0.0.0-192.0.0.255"
"192.0.2.0-192.0.2.255"
"192.88.99.0-192.88.99.255"
"192.168.0.0-192.168.255.255"
"198.18.0.0-198.19.255.255"
"198.51.100.0-198.51.100.255"
"203.0.113.0-203.0.113.255"
"240.0.0.0-255.255.255.255"
"::1"
"64:ff9b::-64:ff9b::ffff:ffff"
"::ffff:0.0.0.0-::ffff:255.255.255.255"
"100::-100::ffff:ffff:ffff:ffff"
"2001::-2001:1ff:ffff:ffff:ffff:ffff:ffff:ffff"
"2002::-2002:ffff:ffff:ffff:ffff:ffff:ffff:ffff"
"fc00::-fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"
"fe80::-febf:ffff:ffff:ffff:ffff:ffff:ffff:ffff"
];
cert-fqdn = "ataraxiadev.com";
in {
sops.secrets.auth-secret = {
sopsFile = inputs.self.secretsDir + /home-hypervisor/coturn.yaml;
restartUnits = [ "coturn.service" ];
owner = config.users.users.turnserver.name;
mode = "0400";
};
services.coturn = {
enable = true;
use-auth-secret = true;
static-auth-secret-file = config.sops.secrets.auth-secret.path;
realm = "turn.ataraxiadev.com";
min-port = 49152;
max-port = 49262;
no-cli = true;
cert = "${config.security.acme.certs.${cert-fqdn}.directory}/fullchain.pem";
pkey = "${config.security.acme.certs.${cert-fqdn}.directory}/key.pem";
no-tcp-relay = true;
extraConfig = ''
fingerprint
external-ip=${external-ip}
userdb=/var/lib/coturn/turnserver.db
no-tlsv1
no-tlsv1_1
no-rfc5780
no-stun-backward-compatibility
response-origin-only-with-rfc5780
no-multicast-peers
'' + lib.strings.concatMapStringsSep "\n" (x: "denied-peer-ip=${x}")
coturn-denied-ips;
};
systemd.services.coturn.serviceConfig.StateDirectory = "coturn";
systemd.services.coturn.serviceConfig.Group = lib.mkForce "acme";
networking = let
turn-ports = with config.services.coturn; [
listening-port tls-listening-port
alt-listening-port alt-tls-listening-port
];
in {
firewall = {
allowedUDPPortRanges = with config.services.coturn; [{
from = min-port;
to = max-port;
}];
allowedUDPPorts = turn-ports;
allowedTCPPorts = turn-ports;
};
};
}