2024-08-03 20:16:58 +02:00
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{ config, pkgs, ... }: {
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fileSystems."/mnt/export1981" = {
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device = "172.16.128.47:/nas/5490";
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fsType = "nfs";
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options = [ "nofail" ];
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};
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security = {
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acme = {
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acceptTerms = true;
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defaults.email = "security@idimitrov.dev";
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};
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};
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networking = {
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nameservers = [ "127.0.0.1" "::1" ];
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dhcpcd.extraConfig = "nohook resolv.conf";
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firewall = pkgs.lib.mkForce {
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enable = true;
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allowedTCPPorts = [
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25 # smtp
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465 # smtps
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80 # http
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443 # https
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];
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allowedUDPPorts = [
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25
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465
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80
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443
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51820 # wireguard
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];
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extraCommands = ''
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iptables -N vpn # create a new chain named vpn
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iptables -A vpn --src 10.0.0.2 -j ACCEPT # allow
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iptables -A vpn --src 10.0.0.3 -j ACCEPT # allow
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iptables -A vpn --src 10.0.0.4 -j ACCEPT # allow
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iptables -A vpn -j DROP # drop everyone else
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iptables -I INPUT -m tcp -p tcp --dport 22 -j vpn
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'';
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extraStopCommands = ''
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iptables -F vpn
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iptables -D INPUT -m tcp -p tcp --dport 22 -j vpn
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iptables -X vpn
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'';
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};
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nat = {
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enable = true;
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enableIPv6 = true;
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externalInterface = "venet0";
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internalInterfaces = [ "wg0" ];
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};
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wg-quick.interfaces = {
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wg0 = {
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address = [ "10.0.0.1/32" ];
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listenPort = 51820;
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privateKeyFile = "/etc/wireguard/privatekey";
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postUp = ''
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${pkgs.iptables}/bin/iptables -A FORWARD -i wg0 -j ACCEPT
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${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -s 10.0.0.1/24 -o venet0 -j MASQUERADE
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${pkgs.iptables}/bin/ip6tables -A FORWARD -i wg0 -j ACCEPT
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${pkgs.iptables}/bin/ip6tables -t nat -A POSTROUTING -s fdc9:281f:04d7:9ee9::1/64 -o venet0 -j MASQUERADE
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'';
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preDown = ''
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${pkgs.iptables}/bin/iptables -D FORWARD -i wg0 -j ACCEPT
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${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -s 10.0.0.1/24 -o venet0 -j MASQUERADE
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${pkgs.iptables}/bin/ip6tables -D FORWARD -i wg0 -j ACCEPT
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${pkgs.iptables}/bin/ip6tables -t nat -D POSTROUTING -s fdc9:281f:04d7:9ee9::1/64 -o venet0 -j MASQUERADE
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'';
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peers = [
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{
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publicKey = "kI93V0dVKSqX8hxMJHK5C0c1hEDPQTgPQDU8TKocVgo=";
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allowedIPs = [ "10.0.0.2/32" ];
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}
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{
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publicKey = "RqTsFxFCcgYsytcDr+jfEoOA5UNxa1ZzGlpx6iuTpXY=";
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allowedIPs = [ "10.0.0.3/32" ];
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}
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2024-08-04 22:11:14 +02:00
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{
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publicKey = "1e0mjluqXdLbzv681HlC9B8BfGN8sIXIw3huLyQqwXI=";
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allowedIPs = [ "10.0.0.4/32" ];
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}
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2024-08-03 20:16:58 +02:00
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];
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};
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};
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};
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users = {
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users.ivand = {
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isNormalUser = true;
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hashedPassword =
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"$2b$05$hPrPcewxj4qjLCRQpKBAu.FKvKZdIVlnyn4uYsWE8lc21Jhvc9jWG";
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extraGroups = [ "wheel" "adm" "mlocate" ];
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openssh.authorizedKeys.keys = [
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''
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ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICcLkzuCoBEg+wq/H+hkrv6pLJ8J5BejaNJVNnymlnlo ivan@idimitrov.dev
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''
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];
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};
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extraGroups = { mlocate = { }; };
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};
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services = {
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dovecot2.sieve.extensions = [ "fileinto" ];
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2024-08-04 22:11:14 +02:00
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openssh = {
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enable = true;
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settings = {
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PermitRootLogin = "prohibit-password";
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};
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};
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2024-08-03 20:16:58 +02:00
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roundcube = {
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enable = true;
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package = pkgs.roundcube.withPlugins (plugins: [ plugins.persistent_login ]);
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plugins = [
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"persistent_login"
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];
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hostName = "${config.mailserver.fqdn}";
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extraConfig = ''
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$config['smtp_host'] = "tls://${config.mailserver.fqdn}";
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$config['smtp_user'] = "%u";
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$config['smtp_pass'] = "%p";
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'';
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};
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postgresql = {
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enable = true;
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ensureUsers = [
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{
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name = "root";
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ensureClauses = {
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superuser = true;
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createrole = true;
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createdb = true;
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};
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}
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];
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};
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gitea = {
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enable = true;
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appName = "src";
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database = {
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type = "postgres";
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};
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settings = {
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server = {
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DOMAIN = "src.idimitrov.dev";
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ROOT_URL = "https://src.idimitrov.dev/";
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HTTP_PORT = 3001;
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};
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repository = {
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DEFAULT_BRANCH = "master";
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};
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service = {
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DISABLE_REGISTRATION = true;
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};
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};
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};
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dnscrypt-proxy2 = {
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enable = true;
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settings = {
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2024-08-03 22:41:33 +02:00
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cache = false;
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2024-08-03 20:16:58 +02:00
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ipv4_servers = true;
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ipv6_servers = true;
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dnscrypt_servers = true;
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2024-08-03 22:41:33 +02:00
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doh_servers = false;
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odoh_servers = false;
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2024-08-03 20:16:58 +02:00
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require_dnssec = true;
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require_nolog = true;
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require_nofilter = true;
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2024-08-03 22:41:33 +02:00
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anonymized_dns = {
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routes = [{ server_name = "*"; via = [ "sdns://gQ8yMTcuMTM4LjIyMC4yNDM" ]; }];
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};
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2024-08-03 20:16:58 +02:00
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sources.public-resolvers = {
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urls = [
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"https://raw.githubusercontent.com/DNSCrypt/dnscrypt-resolvers/master/v3/public-resolvers.md"
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"https://download.dnscrypt.info/resolvers-list/v3/public-resolvers.md"
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];
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cache_file = "/var/lib/dnscrypt-proxy/public-resolvers.md";
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minisign_key = "RWQf6LRCGA9i53mlYecO4IzT51TGPpvWucNSCh1CBM0QTaLn73Y7GFO3";
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};
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};
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};
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nginx =
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let
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webshiteConfig = ''
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add_header 'Referrer-Policy' 'origin-when-cross-origin';
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add_header X-Content-Type-Options nosniff;
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'';
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restrictToVpn = ''
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allow 10.0.0.2/32;
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allow 10.0.0.3/32;
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allow 10.0.0.4/32;
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deny all;
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'';
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extensions = [ "html" "txt" "png" "jpg" "jpeg" ];
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serveStatic = exts: ''
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try_files $uri $uri/ ${pkgs.lib.strings.concatStringsSep " " (builtins.map (x: "$uri." + "${x}") exts)} =404;
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'';
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in
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{
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enable = true;
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recommendedGzipSettings = true;
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recommendedOptimisation = true;
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recommendedProxySettings = true;
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recommendedTlsSettings = true;
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sslCiphers = "AES256+EECDH:AES256+EDH:!aNULL";
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virtualHosts = {
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"idimitrov.dev" = {
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enableACME = true;
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forceSSL = true;
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locations."/" = {
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root = "${pkgs.webshite}";
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extraConfig = serveStatic extensions;
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};
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extraConfig = webshiteConfig;
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};
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"www.idimitrov.dev" = {
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enableACME = true;
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forceSSL = true;
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locations."/" = {
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root = "${pkgs.webshite}";
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extraConfig = serveStatic extensions;
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};
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extraConfig = webshiteConfig;
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};
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"${config.mailserver.fqdn}" = {
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extraConfig = restrictToVpn;
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};
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"src.idimitrov.dev" = {
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enableACME = true;
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forceSSL = true;
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locations."/" = {
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proxyPass = "http://127.0.0.1:3001";
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};
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};
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"pic.idimitrov.dev" = {
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enableACME = true;
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forceSSL = true;
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locations."/" = {
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root = "/var/pic";
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extraConfig = ''
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autoindex on;
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${serveStatic ["png"]}
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'';
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};
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};
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};
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};
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};
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systemd = {
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timers = {
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bingwp = {
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wantedBy = [ "timers.target" ];
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timerConfig = {
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OnCalendar = "*-*-* 10:00:00";
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Persistent = true;
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};
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};
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};
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services = {
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bingwp = {
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description = "Download bing image of the day";
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script = ''
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${pkgs.nushell}/bin/nu -c "http get ('https://bing.com' + ((http get https://www.bing.com/HPImageArchive.aspx?format=js&n=1).images.0.url)) | save ('/var/pic' | path join ( [ (date now | format date '%Y-%m-%d'), '.png' ] | str join ))"
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${pkgs.nushell}/bin/nu -c "${pkgs.toybox}/bin/ln -sf (ls /var/pic | where type == file | get name | sort | last) /var/pic/latest.png"
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'';
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};
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};
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};
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mailserver = {
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enable = true;
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localDnsResolver = false;
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fqdn = "mail.idimitrov.dev";
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domains = [ "idimitrov.dev" "mail.idimitrov.dev" ];
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loginAccounts = {
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"ivan@idimitrov.dev" = {
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hashedPassword = "$2b$05$rTVIQD98ogXeCBKdk/YufulWHqpMCAlb7SHDPlh5y8Xbukoa/uQLm";
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aliases = [ "admin@idimitrov.dev" ];
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};
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"security@idimitrov.dev" = {
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hashedPassword = "$2b$05$rTVIQD98ogXeCBKdk/YufulWHqpMCAlb7SHDPlh5y8Xbukoa/uQLm";
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};
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};
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certificateScheme = "acme-nginx";
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hierarchySeparator = "/";
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};
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2024-08-03 17:09:52 +02:00
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}
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