# somewhat adapted from https://github.com/NixOS/nixpkgs/pull/59211 { config, lib, pkgs, ... }: let synapseCfg = config.services.matrix-synapse.settings; in let config = rec { homeserver = { address = synapseCfg.public_baseurl; domain = synapseCfg.server_name; }; appservice = rec { hostname = "127.0.0.1"; port = 29318; address = "http://${hostname}:${toString port}"; provisioning.shared_secret = "disable"; database = { type = "sqlite3"; uri = "/var/lib/mautrix-whatsapp/mautrix-whatsapp.db"; }; id = "whatsapp"; bot = { username = "whatsappbot"; displayname = "WhatsApp bridge bot"; avatar = "mxc://maunium.net/NeXNQarUbrlYBiPCpprYsRqr"; }; }; whatsapp = { browser_name = "mx-wa"; os_name = "Mautrix-WhatsApp bridge"; }; bridge = { command_prefix = "!wa"; delivery_receipts = true; displayname_template = "{{if .FullName}}{{.FullName}}{{else if .Notify}}{{.Notify}}{{else}}{{.Jid}}{{end}} (WA)"; history_sync = { backfill = true; }; identity_change_notices = true; permissions = { # Only one user since using the name from the address book does not # work with multiple users "@simon:${homeserver.domain}" = 100; }; private_chat_portal_meta = true; reaction_notices = true; relay.enable = false; }; logging.print_level = "info"; }; generatedConfig = pkgs.runCommandNoCC "mautrix-whatsapp-config" { buildInputs = with pkgs; [ mautrix-whatsapp ]; } '' mkdir $out cat ${pkgs.writeText "mautrix-whatsapp.yaml" (lib.generators.toYAML { } config)} > $out/config.yaml mautrix-whatsapp -c $out/config.yaml -g -r $out/registration.yaml ''; in { systemd.services.mautrix-whatsapp = { description = "Mautrix-WhatsApp Service - A WhatsApp bridge for Matrix"; after = [ "network.target" "matrix-synapse.service" ]; wantedBy = [ "multi-user.target" ]; serviceConfig = { DynamicUser = true; StateDirectory = "mautrix-whatsapp"; WorkingDirectory = "/var/lib/mautrix-whatsapp"; ExecStart = "${pkgs.mautrix-whatsapp}/bin/mautrix-whatsapp -c ${generatedConfig}/config.yaml"; Restart = "on-failure"; }; }; services.matrix-synapse.settings.app_service_config_files = lib.singleton "${generatedConfig}/registration.yaml"; }