Generates a bind9 file with blocked zone configurations.

generate-bind-block-zones.py

# needs requests as package
# install with: `pip install requests`

BLOCK_LISTS = [
  {
    "url": "https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts",
    "type": "hosts"
  }, 
  {
    "url": "https://s3.amazonaws.com/lists.disconnect.me/simple_tracking.txt",
    "type": "list"
  },
  {
    "url": "https://s3.amazonaws.com/lists.disconnect.me/simple_ad.txt",
    "type": "list"
  }
]

ZONE_CONFIGURATION_FILE = "/etc/bind/zones.adblock"
ZONE_DB_FILE = "/etc/bind/db.adblock"

# Code start

import requests

domains = []
for block_list in BLOCK_LISTS:
    response = requests.get(block_list["url"])
    if response.status_code == 200:
        content = [x for x in response.content.decode("utf-8").split("\n") if x and not x.startswith("#")]
        if block_list["type"] == "hosts":
            content = [x.split(" ")[1] for x in content]
        domains.extend([x for x in content if x not in domains])

zone_configuration = open(ZONE_CONFIGURATION_FILE, "w")
[zone_configuration.write("zone \"" + domain + "\" IN { type master; notify no; file \"" + ZONE_DB_FILE + "\"; };\n")  for domain in domains]