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path: root/modules/nixos/matrix-synapse.nix
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{
  pkgs,
  lib,
  config,
  ...
}: let
  fqdn = "${config.networking.hostName}.${config.networking.domain}";
  baseUrl = "https://${fqdn}";
  clientConfig."m.homeserver".base_url = baseUrl;
  serverConfig."m.server" = "${fqdn}:443";
  mkWellKnown = data: ''
    default_type application/json;
    add_header Access-Control-Allow-Origin *;
    return 200 '${builtins.toJSON data}';
  '';
in {
  services.postgresql.enable = true;
  services.nginx = {
    enable = true;
    recommendedTlsSettings = true;
    recommendedOptimisation = true;
    recommendedGzipSettings = true;
    recommendedProxySettings = true;
    virtualHosts = {
      "${config.networking.domain}" = {
        enableACME = true;
        forceSSL = true;
        locations."= /.well-known/matrix/server".extraConfig = mkWellKnown serverConfig;
        locations."= /.well-known/matrix/client".extraConfig = mkWellKnown clientConfig;
      };
    };
    "${fqdn}" = {
      enableACME = true;
      forceSSL = true;
      locations."/".extraConfig = ''
        return 404;
      '';
      locations."/_matrix".proxyPass = "http://[::1]:8008";
      locations."/_synapse/client".proxyPass = "http://[::1]:8008";
    };
  };
  services.matrix-synapse = {
    enable = true;
    settings.server_name = config.networking.domain;
    settings.public_baseurl = baseUrl;
    settings.listeners = [
      {
        port = 8008;
        bind_addresses = ["::1"];
        type = "http";
        tls = false;
        x_forwarded = true;
        resources = [
          {
            names = [
              "client"
              "federation"
            ];
            compress = true;
          }
        ];
      }
    ];
  };
}