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|
{
config,
lib,
pkgs,
this,
...
}:
with lib;
let
cfg = config.nixfiles.modules.nginx;
in
{
options.nixfiles.modules.nginx = {
enable = mkEnableOption "Nginx";
upstreams = mkOption {
description = "Defines a group of servers to use as proxy target.";
type = with types; anything;
default = null;
};
virtualHosts = mkOption {
description = "Attrset of virtual hosts.";
type = with types; anything;
default = null;
};
};
config = mkIf cfg.enable {
_module.args.libNginx.config = {
internalOnly = ''
add_header X-Robots-Tag "noindex, nofollow, noarchive, nosnippet";
access_log off;
if ($internal != 1) {
return 403;
}
'';
appendHead = text: ''
brotli off;
gzip off;
zstd off;
sub_filter '</head>' '${lib.concatStrings text}</head>';
sub_filter_once on;
'';
noProxyBuffering = ''
proxy_buffering off;
proxy_cache off;
'';
};
services = {
nginx = {
enable = true;
enableReload = true;
package = pkgs.nginxMainline;
statusPage = mkDefault true;
recommendedOptimisation = mkDefault true;
recommendedProxySettings = mkDefault true;
recommendedTlsSettings = mkDefault true;
recommendedBrotliSettings = mkDefault true;
recommendedGzipSettings = mkDefault true;
recommendedZstdSettings = mkDefault true;
resolver.addresses =
let
isIPv6 = addr: builtins.match ".*:.*:.*" addr != null;
escapeIPv6 = addr: if isIPv6 addr then "[${addr}]" else addr;
resolvers =
if config.networking.nameservers != [ ] then
config.networking.nameservers
else
dns.const.quad9.default;
in
map escapeIPv6 resolvers;
commonHttpConfig = concatStrings [
''
access_log syslog:server=unix:/dev/log;
''
(optionalString (hasAttr "wireguard" this) (
with config.nixfiles.modules.wireguard;
''
geo $internal {
default 0;
127.0.0.1/32 1;
::1/128 1;
${ipv4.subnet} 1;
${ipv6.subnet} 1;
}
''
))
];
inherit (cfg) upstreams;
virtualHosts =
{
default = {
default = true;
rejectSSL = true;
locations."/".return = "444";
};
}
// (mkIf (cfg.virtualHosts != null) (
mapAttrs (
_: attr:
mkMerge [
attr
(mkIf config.nixfiles.modules.acme.enable {
enableACME = mkDefault true;
forceSSL = mkDefault true;
})
]
) cfg.virtualHosts
));
sslDhparam = config.security.dhparams.params.nginx.path;
};
fail2ban.jails = {
nginx-http-auth.enabled = true;
nginx-botsearch.enabled = true;
};
prometheus.exporters.nginx = {
enable = true;
listenAddress = mkDefault this.wireguard.ipv4.address;
port = mkDefault 9113;
};
};
security.dhparams = {
enable = true;
params.nginx = { };
};
networking.firewall.allowedTCPPorts = [
80
443
];
};
}
|
