134 lines
4 KiB
Nix
134 lines
4 KiB
Nix
{
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config,
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lib,
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...
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}: let
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inherit (lib.strings) concatMapStringsSep;
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cfg = config.services.matrix-conduit;
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domain = "matrix.${config.services.nginx.domain}";
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turn-realm = "turn.${config.services.nginx.domain}";
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in {
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services.matrix-conduit = {
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enable = true;
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settings.global = {
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address = "127.0.0.1";
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server_name = domain;
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database_backend = "rocksdb";
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turn_uris = let
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address = "${config.services.coturn.realm}:${toString config.services.coturn.listening-port}";
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tls-address = "${config.services.coturn.realm}:${toString config.services.coturn.tls-listening-port}";
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in [
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"turn:${address}?transport=udp"
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"turn:${address}?transport=tcp"
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"turns:${tls-address}?transport=udp"
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"turns:${tls-address}?transport=tcp"
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];
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};
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};
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# Pass in the TURN secret via EnvironmentFile, not supported by
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# upstream module currently.
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#
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# See also https://gitlab.com/famedly/conduit/-/issues/314
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systemd.services.conduit.serviceConfig.EnvironmentFile = config.sops.secrets."turn/env".path;
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services.coturn = {
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enable = true;
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no-cli = true;
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use-auth-secret = true;
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static-auth-secret-file = config.sops.secrets."turn/secret".path;
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realm = turn-realm;
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relay-ips = [
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"178.79.137.55"
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];
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# SSL config
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#
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# TODO(tlater): Switch to letsencrypt once google fix:
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# https://github.com/vector-im/element-android/issues/1533
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pkey = config.sops.secrets."turn/ssl-key".path;
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cert = config.sops.secrets."turn/ssl-cert".path;
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# Based on suggestions from
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# https://github.com/matrix-org/synapse/blob/develop/docs/turn-howto.md
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# and
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# https://www.foxypossibilities.com/2018/05/19/setting-up-a-turn-sever-for-matrix-on-nixos/
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no-tcp-relay = true;
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secure-stun = true;
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extraConfig = ''
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# Deny various local IP ranges, see
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# https://www.rtcsec.com/article/cve-2020-26262-bypass-of-coturns-access-control-protection/
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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 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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# *Allow* any IP addresses that we explicitly set as relay IPs
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${concatMapStringsSep "\n" (ip: "allowed-peer-ip=${ip}") config.services.coturn.relay-ips}
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# Various other security settings
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no-tlsv1
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no-tlsv1_1
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'';
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};
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services.nginx.virtualHosts."${domain}" = {
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enableACME = true;
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listen = [
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{
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addr = "0.0.0.0";
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port = 443;
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ssl = true;
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}
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{
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addr = "[::0]";
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port = 443;
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ssl = true;
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}
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{
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addr = "0.0.0.0";
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port = 8448;
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ssl = true;
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}
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{
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addr = "[::0]";
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port = 8488;
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ssl = true;
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}
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];
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addSSL = true;
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extraConfig = ''
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merge_slashes off;
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'';
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locations."/_matrix" = {
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proxyPass = "http://${cfg.settings.global.address}:${toString cfg.settings.global.port}";
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# Recommended by conduit
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extraConfig = ''
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proxy_buffering off;
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'';
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};
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};
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}
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