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|
{
config,
lib,
pkgs,
...
}:
let
cfg = config.services.stirling-pdf;
in
{
options.services.stirling-pdf = {
enable = lib.mkEnableOption "the stirling-pdf service";
package = lib.mkPackageOption pkgs "stirling-pdf" { };
environment = lib.mkOption {
type = lib.types.attrsOf (
lib.types.oneOf [
lib.types.str
lib.types.int
]
);
default = { };
example = {
SERVER_PORT = 8080;
INSTALL_BOOK_AND_ADVANCED_HTML_OPS = "true";
};
description = ''
Environment variables for the stirling-pdf app.
See https://github.com/Stirling-Tools/Stirling-PDF#customisation for available options.
'';
};
environmentFiles = lib.mkOption {
type = lib.types.listOf lib.types.path;
default = [ ];
description = ''
Files containing additional environment variables to pass to Stirling PDF.
Secrets should be added in environmentFiles instead of environment.
'';
};
};
config = lib.mkIf cfg.enable {
systemd.services.stirling-pdf = {
environment = lib.mapAttrs (_: toString) cfg.environment;
# following https://github.com/Stirling-Tools/Stirling-PDF#locally
path =
with pkgs;
[
unpaper
libreoffice
ocrmypdf
poppler_utils
unoconv
opencv
pngquant
tesseract
python3Packages.weasyprint
ghostscript_headless
]
++ lib.optional (cfg.environment.INSTALL_BOOK_AND_ADVANCED_HTML_OPS or "false" == "true") calibre;
wantedBy = [ "multi-user.target" ];
serviceConfig = {
BindReadOnlyPaths = [ "${pkgs.tesseract}/share/tessdata:/usr/share/tessdata" ];
CacheDirectory = "stirling-pdf";
Environment = [ "HOME=%S/stirling-pdf" ];
EnvironmentFile = cfg.environmentFiles;
ExecStart = lib.getExe cfg.package;
RuntimeDirectory = "stirling-pdf";
StateDirectory = "stirling-pdf";
SuccessExitStatus = 143;
User = "stirling-pdf";
WorkingDirectory = "/var/lib/stirling-pdf";
# Hardening
CapabilityBoundingSet = "";
DynamicUser = true;
LockPersonality = true;
NoNewPrivileges = 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_INET"
"AF_INET6"
"AF_UNIX"
];
RestrictNamespaces = true;
RestrictRealtime = true;
SystemCallArchitectures = "native";
SystemCallFilter = [
"~@cpu-emulation @debug @keyring @mount @obsolete @privileged @resources @clock @setuid @chown"
];
UMask = "0077";
};
};
};
meta.maintainers = with lib.maintainers; [ DCsunset ];
}
|
