107 lines
2.9 KiB
Nix
107 lines
2.9 KiB
Nix
{ config, pkgs, lib, ... }:
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{
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services = {
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dnsmasq = {
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enable = true;
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servers = ["127.0.0.1#5353"];
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extraConfig = ''
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localise-queries
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min-cache-ttl=120
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max-cache-ttl=2400
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addn-hosts=/etc/adblock_hosts
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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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listen_addresses = ["127.0.0.1:5353"];
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ipv4_servers = true;
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ipv6_servers = false;
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block_ipv6 = true;
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dnscrypt_servers = true;
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doh_servers = true;
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require_nolog = true;
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require_nofilter = true;
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timeout = 350;
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lb_strategy = "p4";
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lb_estimator = true;
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ignore_system_dns = true;
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fallback_resolvers = ["1.1.1.1:53" "9.9.9.9:53"];
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cache_min_ttl = 450;
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cache_max_ttl = 2400;
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};
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};
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};
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systemd = {
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timers.update-adblock = {
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wantedBy = [ "timers.target" ];
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partOf = [ "update-adblock.service" ];
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timerConfig.OnCalendar = "daily";
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};
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services.update-adblock = {
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serviceConfig.Type = "oneshot";
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requiredBy = [ "dnsmasq.service" ];
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postStop = "systemctl restart dnsmasq";
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script = ''
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#!/bin/sh
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EASYLIST_HOSTSNAME="easylist_hosts.txt"
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EASYPRIVACY_HOSTSNAME="easyprivacy_hosts.txt"
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STEVENBLACK_HOSTSNAME="stevenblack_hosts.txt"
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get_easylist() {
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EASYLIST_URL="https://raw.githubusercontent.com/easylist/easylist/master/easylist/easylist_adservers.txt"
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tmpfile=`mktemp`
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# download easylist
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${pkgs.wget}/bin/wget $EASYLIST_URL -O $tmpfile
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# remove IP addresses and prepend 0.0.0.0 to create hosts file
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cat $tmpfile | egrep -v "([0-9]{1,3}\.){3}[0-9]{1,3}" | grep -oP "^\|\|(\K[a-zA-Z0-9\.\-]+)" | ${pkgs.gawk}/bin/gawk '{print "0.0.0.0 " $0}' > $EASYLIST_HOSTSNAME
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rm $tmpfile
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}
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get_easyprivacy() {
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EASYLIST_URL="https://raw.githubusercontent.com/easylist/easylist/master/easyprivacy/easyprivacy_trackingservers.txt"
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tmpfile=`mktemp`
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# download easylist
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${pkgs.wget}/bin/wget $EASYLIST_URL -O $tmpfile
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# remove IP addresses and prepend 0.0.0.0 to create hosts file
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cat $tmpfile | egrep -v "([0-9]{1,3}\.){3}[0-9]{1,3}" | grep -oP "^\|\|(\K[a-zA-Z0-9\.\-]+)" | ${pkgs.gawk}/bin/gawk '{print "0.0.0.0 " $0}' > $EASYPRIVACY_HOSTSNAME
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rm $tmpfile
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}
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get_stevenblack() {
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STEVENBLACK_URL="https://raw.githubusercontent.com/StevenBlack/hosts/master/alternates/fakenews/hosts"
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${pkgs.wget}/bin/wget $STEVENBLACK_URL -O $STEVENBLACK_HOSTSNAME
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}
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get_easylist
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get_easyprivacy
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get_stevenblack
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# create unified file
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cat *hosts.txt | sort | uniq | grep "^0" > /etc/adblock_hosts
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rm $EASYLIST_HOSTSNAME $STEVENBLACK_HOSTSNAME $EASYPRIVACY_HOSTSNAME
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'';
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};
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};
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}
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