nixpkgs/nixos/modules/services/misc/pinnwand.nix
Martin Weinelt fda2ff4edc
nixos/pinnwand: add reaper systemd unit/timer
The reap function culls expired pastes outside of the process serving
the pastes. Previously the database could accumulate a large number of
pastes and while they were expired they would not be deleted unless
accessed from the frontend.
2021-05-03 16:52:05 +02:00

104 lines
3.3 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.pinnwand;
format = pkgs.formats.toml {};
configFile = format.generate "pinnwand.toml" cfg.settings;
in
{
options.services.pinnwand = {
enable = mkEnableOption "Pinnwand";
port = mkOption {
type = types.port;
description = "The port to listen on.";
default = 8000;
};
settings = mkOption {
type = format.type;
description = ''
Your <filename>pinnwand.toml</filename> as a Nix attribute set. Look up
possible options in the <link xlink:href="https://github.com/supakeen/pinnwand/blob/master/pinnwand.toml-example">pinnwand.toml-example</link>.
'';
default = {};
};
};
config = mkIf cfg.enable {
services.pinnwand.settings = {
database_uri = mkDefault "sqlite:////var/lib/pinnwand/pinnwand.db";
paste_size = mkDefault 262144;
paste_help = mkDefault ''
<p>Welcome to pinnwand, this site is a pastebin. It allows you to share code with others. If you write code in the text area below and press the paste button you will be given a link you can share with others so they can view your code as well.</p><p>People with the link can view your pasted code, only you can remove your paste and it expires automatically. Note that anyone could guess the URI to your paste so don't rely on it being private.</p>
'';
footer = mkDefault ''
View <a href="//github.com/supakeen/pinnwand" target="_BLANK">source code</a>, the <a href="/removal">removal</a> or <a href="/expiry">expiry</a> stories, or read the <a href="/about">about</a> page.
'';
};
systemd.services = let
hardeningOptions = {
User = "pinnwand";
DynamicUser = true;
StateDirectory = "pinnwand";
StateDirectoryMode = "0700";
AmbientCapabilities = [];
CapabilityBoundingSet = "";
DevicePolicy = "closed";
LockPersonality = true;
MemoryDenyWriteExecute = true;
PrivateDevices = true;
PrivateUsers = true;
ProcSubset = "pid";
ProtectClock = true;
ProtectControlGroups = true;
ProtectHome = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectProc = "invisible";
RestrictAddressFamilies = [
"AF_UNIX"
"AF_INET"
"AF_INET6"
];
RestrictNamespaces = true;
RestrictRealtime = true;
SystemCallArchitectures = "native";
SystemCallFilter = "@system-service";
UMask = "0077";
};
command = "${pkgs.pinnwand}/bin/pinnwand --configuration-path ${configFile}";
in {
pinnwand = {
description = "Pinnwannd HTTP Server";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
unitConfig.Documentation = "https://pinnwand.readthedocs.io/en/latest/";
serviceConfig = {
ExecStart = "${command} http --port ${toString(cfg.port)}";
} // hardeningOptions;
};
pinnwand-reaper = {
description = "Pinnwand Reaper";
startAt = "daily";
serviceConfig = {
ExecStart = "${command} -vvvv reap"; # verbosity increased to show number of deleted pastes
} // hardeningOptions;
};
};
};
}