{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.nix-bitcoin-webindex;
inherit (config) nix-bitcoin-services;
indexFile = pkgs.writeText "index.html" ''
nix-bitcoin
lightning node: CLIGHTNING_ID
'';
createWebIndex = pkgs.writeText "make-index.sh" ''
set -e
cp ${indexFile} /var/www/index.html
chown -R nginx:nginx /var/www/
nodeinfo
. <(nodeinfo)
sed -i "s/CLIGHTNING_ID/$CLIGHTNING_ID/g" /var/www/index.html
'';
in {
options.services.nix-bitcoin-webindex = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
If enabled, the webindex service will be installed.
'';
};
host = mkOption {
type = types.str;
default = if config.nix-bitcoin.netns-isolation.enable then
config.nix-bitcoin.netns-isolation.netns.nginx.address
else
"localhost";
description = "HTTP server listen address.";
};
enforceTor = nix-bitcoin-services.enforceTor;
};
config = mkIf cfg.enable {
assertions = [
{ assertion = config.services.clightning.enable;
message = "nix-bitcoin-webindex requires clightning.";
}
];
systemd.tmpfiles.rules = [
"d /var/www 0755 nginx nginx - -"
];
services.nginx = {
enable = true;
virtualHosts."_" = {
root = "/var/www";
};
};
services.tor.hiddenServices.nginx = {
map = [{
port = 80; toHost = cfg.host;
} {
port = 443; toHost = cfg.host;
}];
version = 3;
};
# create-web-index
systemd.services.create-web-index = {
description = "Get node info";
wantedBy = [ "multi-user.target" ];
path = with pkgs; [
config.programs.nodeinfo
jq
sudo
] ++ optional config.services.lnd.enable config.services.lnd.cli
++ optional config.services.clightning.enable config.services.clightning.cli;
serviceConfig = nix-bitcoin-services.defaultHardening // {
ExecStart="${pkgs.bash}/bin/bash ${createWebIndex}";
User = "root";
Type = "simple";
RemainAfterExit="yes";
Restart = "on-failure";
RestartSec = "10s";
PrivateNetwork = "true"; # This service needs no network access
PrivateUsers = "false";
ReadWritePaths = "/var/www";
CapabilityBoundingSet = "CAP_SETUID CAP_SETGID CAP_SETPCAP CAP_SYS_ADMIN CAP_CHOWN CAP_FSETID CAP_SETFCAP CAP_DAC_OVERRIDE CAP_DAC_READ_SEARCH CAP_FOWNER CAP_IPC_OWNER";
} // (if cfg.enforceTor
then nix-bitcoin-services.allowTor
else nix-bitcoin-services.allowAnyIP
);
};
};
}