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nixpkgs/nixos/modules/services/networking/murmur.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.murmur;
configFile = pkgs.writeText "murmurd.ini" ''
database=/var/lib/murmur/murmur.sqlite
dbDriver=QSQLITE
autobanAttempts=${toString cfg.autobanAttempts}
autobanTimeframe=${toString cfg.autobanTimeframe}
autobanTime=${toString cfg.autobanTime}
logfile=/var/log/murmur/murmurd.log
pidfile=${cfg.pidfile}
welcome="${cfg.welcome}"
port=${toString cfg.port}
${if cfg.hostName == "" then "" else "host="+cfg.hostName}
${if cfg.password == "" then "" else "serverpassword="+cfg.password}
bandwidth=${toString cfg.bandwidth}
users=${toString cfg.users}
textmessagelength=${toString cfg.textMsgLength}
imagemessagelength=${toString cfg.imgMsgLength}
allowhtml=${if cfg.allowHtml then "true" else "false"}
logdays=${toString cfg.logDays}
bonjour=${if cfg.bonjour then "true" else "false"}
sendversion=${if cfg.sendVersion then "true" else "false"}
${if cfg.registerName == "" then "" else "registerName="+cfg.registerName}
${if cfg.registerPassword == "" then "" else "registerPassword="+cfg.registerPassword}
${if cfg.registerUrl == "" then "" else "registerUrl="+cfg.registerUrl}
${if cfg.registerHostname == "" then "" else "registerHostname="+cfg.registerHostname}
certrequired=${if cfg.clientCertRequired then "true" else "false"}
${if cfg.sslCert == "" then "" else "sslCert="+cfg.sslCert}
${if cfg.sslKey == "" then "" else "sslKey="+cfg.sslKey}
'';
in
{
options = {
services.murmur = {
enable = mkOption {
type = types.bool;
default = false;
description = "If enabled, start the Murmur Service.";
};
autobanAttempts = mkOption {
type = types.int;
default = 10;
description = ''
Number of attempts a client is allowed to make in
<literal>autobanTimeframe</literal> seconds, before being
banned for <literal>autobanTime</literal>.
'';
};
autobanTimeframe = mkOption {
type = types.int;
default = 120;
description = ''
Timeframe in which a client can connect without being banned
for repeated attempts (in seconds).
'';
};
autobanTime = mkOption {
type = types.int;
default = 300;
description = "The amount of time an IP ban lasts (in seconds).";
};
pidfile = mkOption {
type = types.path;
default = "/tmp/murmurd.pid";
description = "Path to PID file for Murmur daemon.";
};
welcome = mkOption {
type = types.str;
default = "";
description = "Welcome message for connected clients.";
};
port = mkOption {
type = types.int;
default = 64738;
description = "Ports to bind to (UDP and TCP).";
};
hostName = mkOption {
type = types.str;
default = "";
description = "Host to bind to. Defaults binding on all addresses.";
};
password = mkOption {
type = types.str;
default = "";
description = "Required password to join server, if specified.";
};
bandwidth = mkOption {
type = types.int;
default = 72000;
description = ''
Maximum bandwidth (in bits per second) that clients may send
speech at.
'';
};
users = mkOption {
type = types.int;
default = 100;
description = "Maximum number of concurrent clients allowed.";
};
textMsgLength = mkOption {
type = types.int;
default = 5000;
description = "Max length of text messages. Set 0 for no limit.";
};
imgMsgLength = mkOption {
type = types.int;
default = 131072;
description = "Max length of image messages. Set 0 for no limit.";
};
allowHtml = mkOption {
type = types.bool;
default = true;
description = ''
Allow HTML in client messages, comments, and channel
descriptions.
'';
};
logDays = mkOption {
type = types.int;
default = 31;
description = ''
How long to store RPC logs for in the database. Set 0 to
keep logs forever, or -1 to disable DB logging.
'';
};
bonjour = mkOption {
type = types.bool;
default = false;
description = ''
Enable Bonjour auto-discovery, which allows clients over
your LAN to automatically discover Murmur servers.
'';
};
sendVersion = mkOption {
type = types.bool;
default = true;
description = "Send Murmur version in UDP response.";
};
registerName = mkOption {
type = types.str;
default = "";
description = ''
Public server registration name, and also the name of the
Root channel. Even if you don't publicly register your
server, you probably still want to set this.
'';
};
registerPassword = mkOption {
type = types.str;
default = "";
description = ''
Public server registry password, used authenticate your
server to the registry to prevent impersonation; required for
subsequent registry updates.
'';
};
registerUrl = mkOption {
type = types.str;
default = "";
description = "URL website for your server.";
};
registerHostname = mkOption {
type = types.str;
default = "";
description = ''
DNS hostname where your server can be reached. This is only
needed if you want your server to be accessed by its
hostname and not IP - but the name *must* resolve on the
internet properly.
'';
};
clientCertRequired = mkOption {
type = types.bool;
default = false;
description = "Require clients to authenticate via certificates.";
};
sslCert = mkOption {
type = types.str;
default = "";
description = "Path to your SSL certificate.";
};
sslKey = mkOption {
type = types.str;
default = "";
description = "Path to your SSL key.";
};
};
};
config = mkIf cfg.enable {
users.extraUsers.murmur = {
description = "Murmur Service user";
home = "/var/lib/murmur";
createHome = true;
uid = config.ids.uids.murmur;
};
systemd.services.murmur = {
description = "Murmur Chat Service";
wantedBy = [ "multi-user.target" ];
after = [ "network.target "];
serviceConfig = {
Type = "forking";
PIDFile = cfg.pidfile;
Restart = "always";
User = "murmur";
ExecStart = "${pkgs.murmur}/bin/murmurd -ini ${configFile}";
PermissionsStartOnly = true;
};
preStart = ''
mkdir -p /var/log/murmur
chown -R murmur /var/log/murmur
'';
};
};
}