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path: root/system/services/matrix/default.nix
blob: 66474ccd39a692e68737683207970285e744b8d8 (plain) (blame)
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{
  config,
  pkgs,
  ...
}: let
  fqdn = "matrix.vhack.eu";
  clientConfig."m.homeserver".base_url = "https://${fqdn}";
  serverConfig."m.server" = "${fqdn}:443";
  mkWellKnown = data: ''
    add_header Content-Type application/json;
    add_header Access-Control-Allow-Origin *;
    return 200 '${builtins.toJSON data}';
  '';
in {
  networking.firewall.allowedTCPPorts = [80 443];

  services = {
    postgresql = {
      enable = true;
      initialScript = pkgs.writeText "synapse-init.sql" ''
        --Matrix:
        CREATE ROLE "matrix-synapse" WITH LOGIN PASSWORD 'synapse';
        CREATE DATABASE "matrix-synapse" WITH OWNER "matrix-synapse"
          TEMPLATE template0
          LC_COLLATE = "C"
          LC_CTYPE = "C";

        --Whatsapp-bridge:
        CREATE ROLE "mautrix-whatsapp" WITH LOGIN PASSWORD 'whatsapp';
        CREATE DATABASE "mautrix-whatsapp" WITH OWNER "mautrix-whatsapp"
          TEMPLATE template0
          LC_COLLATE = "C"
          LC_CTYPE = "C";
      '';
    };

    nginx = {
      enable = true;
      recommendedTlsSettings = true;
      recommendedOptimisation = true;
      recommendedGzipSettings = true;
      recommendedProxySettings = true;
      virtualHosts = {
        "vhack.eu" = {
          enableACME = true;
          forceSSL = true;
          locations = {
            "/.well-known/matrix/server".extraConfig = mkWellKnown serverConfig;
            "/.well-known/matrix/client".extraConfig = mkWellKnown clientConfig;
          };
        };
        "matrix.vhack.eu" = {
          enableACME = true;
          forceSSL = true;
          locations = {
            "/".return = "404";
            "/_matrix".proxyPass = "http://[::1]:8008";
            "/_synapse/client".proxyPass = "http://[::1]:8008";
          };
        };
      };
    };

    mautrix-whatsapp = {
      enable = true;
      settings = {
        appservice = {
          database = {
            type = "postgres";
            uri = "postgres:///mautrix-whatsapp?host=/run/postgresql";
          };
          whatsapp = {
            # TODO: See https://github.com/tulir/whatsmeow/blob/efc632c008604016ddde63bfcfca8de4e5304da9/binary/proto/def.proto#L43-L64 for a list.
            # This also determints the whatsapp icon
            browser_name = "unknown";
          };
        };
        homeserver.address = "https://matrix.vhack.eu";
        bridge.permissions = {
          "@soispha:vhack.eu" = "admin";
          "@sils:vhack.eu" = "admin";
          "@nightingale:vhack.eu" = "admin";
        };
      };
    };

    matrix-synapse = {
      enable = true;
      dataDir = "/var/lib/matrix";
      configFile = "/etc/matrix/matrix.conf";
      settings = {
        media_store_path = "/var/lib/matrix/media_store";
        registration_shared_secret_path = "${config.age.secrets.matrix-synapse_registration_shared_secret.path}";
        server_name = "vhack.eu";
        listeners = [
          {
            port = 8008;
            bind_addresses = ["::1"];
            type = "http";
            tls = false;
            x_forwarded = true;
            resources = [
              {
                names = ["client" "federation"];
                compress = true;
              }
            ];
          }
        ];
      };
    };
  };
}