nixos-config/hosts/nuc/modules/mautrix-telegram/default.nix

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2024-02-29 15:37:22 +01:00
{ config, lib, pkgs, ... }:
let
homeserverDomain = config.services.matrix-synapse.settings.server_name;
registrationFileSynapse = "/var/lib/matrix-synapse/telegram-registration.yaml";
registrationFileMautrix = "/var/lib/mautrix-telegram/telegram-registration.yaml";
settingsFile = builtins.head (builtins.match ".*--config='(.*)' \\\\.*" config.systemd.services.mautrix-telegram.preStart);
in
{
services.postgresql = {
enable = true;
ensureUsers = [{
name = "mautrix-telegram";
ensureDBOwnership = true;
}];
ensureDatabases = [ "mautrix-telegram" ];
};
age.secrets.mautrix-telegram = {
file = ../../../../secrets/nuc/mautrix-telegram/env.age;
owner = config.systemd.services.matrix-synapse.serviceConfig.User;
};
services.matrix-synapse.settings.app_service_config_files = [
# The registration file is automatically generated after starting the
# appservice for the first time.
registrationFileSynapse
];
systemd.tmpfiles.rules = [
# copy registration file over to synapse
"C ${registrationFileSynapse} - - - - ${registrationFileMautrix}"
"Z /var/lib/matrix-synapse/ - matrix-synapse matrix-synapse - -"
];
services.mautrix-telegram = {
enable = true;
environmentFile = config.age.secrets.mautrix-telegram.path;
settings = {
homeserver = {
address = "http://[::1]:8008";
domain = homeserverDomain;
};
appservice = rec {
# Use postgresql instead of sqlite
database = "postgresql:///mautrix-telegram?host=/run/postgresql";
port = 8082;
address = "http://localhost:${toString port}";
};
bridge = {
relaybot.authless_portals = false;
permissions = {
"@rouven:${homeserverDomain}" = "admin";
};
relay_user_distinguishers = [ ];
};
};
};
# If we don't explicitly set {a,h}s_token, mautrix-telegram will try to read them from the registrationFile
# and write them to the settingsFile in /nix/store, which obviously fails.
systemd.services.mautrix-telegram.serviceConfig.ExecStart =
lib.mkForce (pkgs.writeShellScript "start" ''
export MAUTRIX_TELEGRAM_APPSERVICE_AS_TOKEN=$(grep as_token ${registrationFileMautrix} | cut -d' ' -f2-)
export MAUTRIX_TELEGRAM_APPSERVICE_HS_TOKEN=$(grep hs_token ${registrationFileMautrix} | cut -d' ' -f2-)
${pkgs.mautrix-telegram}/bin/mautrix-telegram --config='${settingsFile}'
'');
}