Files
directdnsonly/app.py
2021-08-28 11:28:23 +12:00

106 lines
3.0 KiB
Python

from flask import Flask, request
import mmap
import re
app = Flask(__name__)
@app.route('/')
def hello_world():
return 'Hello World!'
@app.route('/CMD_API_LOGIN_TEST')
def login_test():
multi_dict = request.values
for key in multi_dict:
print(multi_dict.get(key))
print(multi_dict.getlist(key))
# print(request.values)
print(request.headers)
print(request.authorization)
return 'error=0&text=Login OK&details=none'
@app.route('/CMD_API_DNS_ADMIN', methods=['GET', 'POST'])
def domain_admin():
print(str(request.data, encoding="utf-8"))
print(request.values.get('action'))
action = request.values.get('action')
if action == 'exists':
# DirectAdmin is checking whether the domain is in the cluster
return 'result: exists=1'
if action == 'delete':
# Domain is being removed from the DNS
hostname = request.values.get('hostname')
username = request.values.get('username')
domain = request.values.get('select0')
if action == 'rawsave':
# DirectAdmin wants to add/update a domain
hostname = request.values.get('hostname')
username = request.values.get('username')
domain = request.values.get('domain')
if not check_zone_exists(str(domain)):
put_zone_index(str(domain))
write_zone_file(str(domain), request.data.decode("utf-8"))
else:
# Domain already exists
write_zone_file(str(domain), request.data.decode("utf-8"))
def create_zone_index():
# Create an index of all zones present from zone definitions
regex = r"(?<=\")(?P<domain>.*)(?=\"\s)"
with open(zone_index_file, 'w+') as f:
with open(named_conf, 'r') as named_file:
while True:
# read line
line = named_file.readline()
if not line:
# Reached end of file
break
print(line)
hosted_domain = re.search(regex, line).group(0)
f.write(hosted_domain + "\n")
def put_zone_index(zone_name):
# add a new zone to index
with open(zone_index_file, 'a+') as f:
# We are using append mode
f.write(zone_name)
def write_zone_file(zone_name, data):
# Write the zone to file
with open(zones_dir + '/' + zone_name + '.db', 'w') as f:
f.write(data)
def check_zone_exists(zone_name):
# Check if zone is present in the index
with open(zone_index_file, 'r') as f:
try:
s = mmap.mmap(f.fileno(), 0, access=mmap.ACCESS_READ)
if s.find(bytes(zone_name, encoding='utf8')) != -1:
return True
else:
return False
except ValueError as e:
# File Empty?
return False
if __name__ == '__main__':
zones_dir = "/etc/pdns/zones"
zone_index_file = "/etc/pdns/zones/.index"
named_conf = "/etc/pdns/named.conf"
create_zone_index()
app.run(host="0.0.0.0")