74 lines
1.8 KiB
Nix
74 lines
1.8 KiB
Nix
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{ config, lib, pkgs, ... }:
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let
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cfg = config.services.coturn;
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fqdn = "turn.sbruder.de";
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ipAddresses = [ "195.201.139.15" "2a01:4f8:1c1c:4397::" ];
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in
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{
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services.coturn = {
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enable = true;
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# config adapted from synapse’s turn howto:
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# https://github.com/matrix-org/synapse/blob/develop/docs/turn-howto.md
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use-auth-secret = true;
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realm = fqdn;
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# the NixOS module does not support loading the secret from a dedicated file
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static-auth-secret = import ../secrets/turn-static-auth-secret.nix;
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no-tcp-relay = true;
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cert = "/run/turnserver/fullchain.pem";
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pkey = "/run/turnserver/key.pem";
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min-port = 49160;
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max-port = 49200;
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listening-ips = ipAddresses;
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relay-ips = ipAddresses;
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no-cli = true;
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extraConfig = ''
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denied-peer-ip=10.0.0.0-10.255.255.255
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denied-peer-ip=192.168.0.0-192.168.255.255
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denied-peer-ip=172.16.0.0-172.31.255.255
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user-quota=12
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total-quota=1200
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'';
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};
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systemd.services.coturn = {
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after = [ "acme-finished-${fqdn}.target" ];
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serviceConfig = {
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ExecStartPre = "!${pkgs.writeShellScript "coturn-setup-tls" ''
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cp ${config.security.acme.certs."${fqdn}".directory}/{fullchain,key}.pem /run/turnserver/
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chgrp turnserver /run/turnserver/{fullchain,key}.pem
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''}";
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};
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};
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security.acme.certs."${fqdn}".postRun = ''
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if systemctl is-active murmur; then
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systemctl --no-block restart coturn
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fi
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'';
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services.nginx.virtualHosts."${fqdn}" = {
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enableACME = true;
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forceSSL = true;
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};
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networking.firewall = {
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allowedTCPPorts = [ cfg.tls-listening-port ];
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allowedUDPPorts = [ cfg.tls-listening-port ];
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allowedUDPPortRanges = lib.singleton {
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from = cfg.min-port;
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to = cfg.min-port;
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};
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};
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}
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