73 lines
2.4 KiB
Plaintext
73 lines
2.4 KiB
Plaintext
# Coturn - The WebRTC calling
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{ config, lib, pkgs, ... }: lib.mkIf config.services.coturn.enable {
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services.coturn = rec {
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enable = true;
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no-cli = true;
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no-tcp-relay = true;
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min-port = 49000;
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max-port = 50000;
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use-auth-secret = true;
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# DND-SECURITY(Krey): Needs handling
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static-auth-secret = "will be world readable for local users :(";
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realm = "turn.example.com";
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cert = "${config.security.acme.certs.${realm}.directory}/full.pem";
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pkey = "${config.security.acme.certs.${realm}.directory}/key.pem";
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extraConfig = ''
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# ban private IP ranges
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no-multicast-peers
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denied-peer-ip=0.0.0.0-0.255.255.255
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denied-peer-ip=10.0.0.0-10.255.255.255
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denied-peer-ip=100.64.0.0-100.127.255.255
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denied-peer-ip=127.0.0.0-127.255.255.255
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denied-peer-ip=169.254.0.0-169.254.255.255
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denied-peer-ip=172.16.0.0-172.31.255.255
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denied-peer-ip=192.0.0.0-192.0.0.255
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denied-peer-ip=192.0.2.0-192.0.2.255
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denied-peer-ip=192.88.99.0-192.88.99.255
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denied-peer-ip=192.168.0.0-192.168.255.255
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denied-peer-ip=198.18.0.0-198.19.255.255
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denied-peer-ip=198.51.100.0-198.51.100.255
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denied-peer-ip=203.0.113.0-203.0.113.255
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denied-peer-ip=240.0.0.0-255.255.255.255
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denied-peer-ip=::1
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denied-peer-ip=64:ff9b::-64:ff9b::ffff:ffff
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denied-peer-ip=::ffff:0.0.0.0-::ffff:255.255.255.255
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denied-peer-ip=100::-100::ffff:ffff:ffff:ffff
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denied-peer-ip=2001::-2001:1ff:ffff:ffff:ffff:ffff:ffff:ffff
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denied-peer-ip=2002::-2002:ffff:ffff:ffff:ffff:ffff:ffff:ffff
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denied-peer-ip=fc00::-fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
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denied-peer-ip=fe80::-febf:ffff:ffff:ffff:ffff:ffff:ffff:ffff
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'';
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};
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# Certificate
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security.acme.certs."${config.services.coturn.realm}" = {
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/* insert here the right configuration to obtain a certificate */
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postRun = "systemctl restart coturn.service";
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user = "turnserver";
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group = "turnserver";
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};
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# configure synapse to point users to coturn
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services.matrix-synapse = with config.services.coturn; {
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turn_uris = ["turn:${realm}:3478?transport=udp" "turn:${realm}:3478?transport=tcp"];
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turn_shared_secret = static-auth-secret;
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turn_user_lifetime = "1h";
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};
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# Firewall
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networking.firewall = {
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# FIXME-QA(Krey): Handle the interface automatically
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interfaces.enp2s0 = let
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range = with config.services.coturn; [ {
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from = min-port;
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to = max-port;
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} ];
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in
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{
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allowedUDPPortRanges = range;
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allowedUDPPorts = [ 3478 ];
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allowedTCPPortRanges = range;
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allowedTCPPorts = [ 3478 ];
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};
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};
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} |