nix-config/modules/nixos-modules/server/paperless.nix
2025-07-14 19:38:24 -05:00

110 lines
3.1 KiB
Nix

{
config,
lib,
pkgs,
...
}: let
dataDir = "/var/lib/paperless";
in {
options.services.paperless = {
subdomain = lib.mkOption {
type = lib.types.str;
description = "subdomain of base domain that paperless will be hosted at";
default = "paperless";
};
database = {
user = lib.mkOption {
type = lib.types.str;
description = "what is the user and database that we are going to use for paperless";
default = "paperless";
};
};
};
config = lib.mkIf config.services.paperless.enable (lib.mkMerge [
{
host = {
reverse_proxy.subdomains.${config.services.paperless.subdomain} = {
target = "http://${config.services.paperless.address}:${toString config.services.paperless.port}";
websockets.enable = true;
forwardHeaders.enable = true;
extraConfig = ''
# allow large file uploads
client_max_body_size 50000M;
'';
};
postgres = {
enable = true;
extraUsers = {
${config.services.paperless.database.user} = {
isClient = true;
createUser = true;
};
};
extraDatabases = {
${config.services.paperless.database.user} = {
name = config.services.paperless.database.user;
};
};
};
};
services.paperless = {
configureTika = true;
settings = {
PAPERLESS_URL = "https://${config.services.paperless.subdomain}.${config.host.reverse_proxy.hostname}";
PAPERLESS_DBENGINE = "postgresql";
PAPERLESS_DBHOST = "/run/postgresql";
PAPERLESS_DBNAME = config.services.paperless.database.user;
PAPERLESS_DBUSER = config.services.paperless.database.user;
};
};
}
(lib.mkIf config.services.fail2ban.enable {
environment.etc = {
"fail2ban/filter.d/paperless.local".text = (
pkgs.lib.mkDefault (pkgs.lib.mkAfter ''
[Definition]
failregex = Login failed for user `.*` from (?:IP|private IP) `<HOST>`\.$
ignoreregex =
'')
);
};
services.fail2ban = {
jails = {
paperless.settings = {
enabled = true;
filter = "paperless";
action = ''iptables-multiport[name=HTTP, port="http,https"]'';
logpath = "${config.services.paperless.dataDir}/log/*.log";
backend = "auto";
findtime = 600;
bantime = 600;
maxretry = 5;
};
};
};
})
(lib.mkIf config.host.impermanence.enable {
assertions = [
{
assertion = config.services.paperless.dataDir == dataDir;
message = "paperless data location does not match persistence";
}
];
environment.persistence."/persist/system/root" = {
directories = [
{
directory = dataDir;
user = "paperless";
group = "paperless";
}
];
};
})
]);
}