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|
{ config, pkgs, lib, ... }:
with lib;
let
dataDir = "/var/lib/mautrix-whatsapp";
registrationFile = "${dataDir}/whatsapp-registration.yaml";
cfg = config.services.mautrix-whatsapp;
settingsFormat = pkgs.formats.json { };
settingsFile =
settingsFormat.generate "mautrix-whatsapp-config.json" cfg.settings;
in
{
options = {
services.mautrix-whatsapp = {
enable = mkEnableOption (lib.mdDoc "Mautrix-Whatsapp, a Matrix-Whatsapp puppeting bridge.");
settings = mkOption rec {
apply = recursiveUpdate default;
inherit (settingsFormat) type;
default = {
homeserver = {
software = "standard";
};
appservice = rec {
database = {
type = "sqlite";
uri = "sqlite:///${dataDir}/mautrix-whatsapp.db";
};
hostname = "0.0.0.0";
port = 8080;
address = "http://localhost:${toString port}";
as_token = "$MAUTRIX_WHATSAPP_APPSERVICE_AS_TOKEN";
hs_token = "$MAUTRIX_WHATSAPP_APPSERVICE_HS_TOKEN";
};
bridge = {
permissions."*" = "relay";
relay.whitelist = [ ];
double_puppet_server_map = { };
login_shared_secret_map = { };
};
logging = {
version = 1;
formatters.precise.format = "[%(levelname)s@%(name)s] %(message)s";
handlers.console = {
class = "logging.StreamHandler";
formatter = "precise";
};
# log to console/systemd instead of file
file_name_format = null;
loggers = {
mau.level = "INFO";
telethon.level = "INFO";
# prevent tokens from leaking in the logs:
# https://github.com/tulir/mautrix-telegram/issues/351
aiohttp.level = "WARNING";
};
};
};
example = literalExpression ''
{
homeserver = {
address = "http://localhost:8008";
domain = "public-domain.tld";
};
appservice.public = {
prefix = "/public";
external = "https://public-appservice-address/public";
};
bridge.permissions = {
"example.com" = "full";
"@admin:example.com" = "admin";
};
}
'';
description = lib.mdDoc ''
{file}`config.yaml` configuration as a Nix attribute set.
Configuration options should match those described in
[example-config.yaml](https://github.com/mautrix/whatsapp/blob/master/mautrix_whatsapp/example-config.yaml).
Secret tokens should be specified using {option}`environmentFile`
instead of this world-readable attribute set.
'';
};
environmentFile = mkOption {
type = types.nullOr types.path;
default = null;
description = lib.mdDoc ''
File containing environment variables to be passed to the mautrix-whatsapp service,
in which secret tokens can be specified securely by defining values for e.g.
`MAUTRIX_WHATSAPP_APPSERVICE_AS_TOKEN`,
`MAUTRIX_WHATSAPP_APPSERVICE_HS_TOKEN`,
For Mautrix-Whatsapp, only AS_TOKEN and HS_TOKEN is available.
'';
};
serviceDependencies = mkOption {
type = with types; listOf str;
default = optional config.services.matrix-synapse.enable "matrix-synapse.service";
defaultText = literalExpression ''
optional config.services.matrix-synapse.enable "matrix-synapse.service"
'';
description = lib.mdDoc ''
List of Systemd services to require and wait for when starting the application service.
'';
};
};
};
config = mkIf cfg.enable {
systemd.services.mautrix-whatsapp = {
description = "Mautrix-Whatsapp, a Matrix-Whatsapp puppeting bridge.";
wantedBy = [ "multi-user.target" ];
wants = [ "network-online.target" ] ++ cfg.serviceDependencies;
after = [ "network-online.target" ] ++ cfg.serviceDependencies;
path = [ pkgs.lottieconverter pkgs.ffmpeg-full ];
# mautrix-whatsapp tries to generate a dotfile in the home directory of
# the running user if using a postgresql database:
#
# File "python3.10/site-packages/asyncpg/connect_utils.py", line 257, in _dot_postgre>
# return (pathlib.Path.home() / '.postgresql' / filename).resolve()
# File "python3.10/pathlib.py", line 1000, in home
# return cls("~").expanduser()
# File "python3.10/pathlib.py", line 1440, in expanduser
# raise RuntimeError("Could not determine home directory.")
# RuntimeError: Could not determine home directory.
environment.HOME = dataDir;
preStart = ''
# generate the appservice's registration file if absent
if [ ! -f '${registrationFile}' ]; then
${pkgs.mautrix-whatsapp}/bin/mautrix-whatsapp \
--generate-registration \
--config='${settingsFile}' \
--registration='${registrationFile}'
fi
${pkgs.envsubst}/bin/envsubst \
-i ${settingsFile} \
-o /run/mautrix-whatsapp/config.json
# wait until dendrite grabs the config
sleep 5
'' + lib.optionalString (pkgs.mautrix-whatsapp ? alembic) ''
# run automatic database init and migration scripts
${pkgs.mautrix-whatsapp.alembic}/bin/alembic -x config='${settingsFile}' upgrade head
'';
serviceConfig = {
Type = "simple";
Restart = "always";
ProtectSystem = "strict";
ProtectHome = true;
ProtectKernelTunables = true;
ProtectKernelModules = true;
ProtectControlGroups = true;
DynamicUser = true;
Group = "mautrix-whatsapp";
PrivateTmp = true;
WorkingDirectory = pkgs.mautrix-whatsapp; # necessary for the database migration scripts to be found
StateDirectory = baseNameOf dataDir;
RuntimeDirectory = "mautrix-whatsapp";
RuntimeDirectoryMode = "0700";
UMask = "0027";
EnvironmentFile = cfg.environmentFile;
ExecStart = ''
${pkgs.mautrix-whatsapp}/bin/mautrix-whatsapp \
--config='/run/mautrix-whatsapp/config.json'
'';
};
};
};
# meta.maintainers = with maintainers; [ boppyt ];
}
|
