Init mxme.py (Fullchain Mail/DNS script)
Signed-off-by: Georg <georg@lysergic.dev>
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345
scripts/python/mxme.py
Executable file
345
scripts/python/mxme.py
Executable file
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#!/usr/bin/python3
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"""
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"""
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import requests
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import sys
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import os
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from dotenv import load_dotenv
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import time
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if len(sys.argv) > 1:
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domain = sys.argv[1]
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else:
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print("Specify the domain name")
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sys.exit(1)
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load_dotenv()
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# POWERDNS SETTINGS
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ENDPOINT_PDNS = os.environ.get('ENDPOINT_PDNS')
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APIKEY_PDNS = os.environ.get('APIKEY_PDNS')
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# MAILCOW SETTINGS
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ENDPOINT_MAILCOW = os.environ.get('ENDPOINT_MAILCOW')
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APIKEY_MAILCOW = os.environ.get('APIKEY_MAILCOW')
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if None in (ENDPOINT_PDNS, APIKEY_PDNS, ENDPOINT_MAILCOW, APIKEY_MAILCOW):
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print("Could not load environment variables. Please check your .env file.")
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sys.exit(0)
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print("Scanning " + domain)
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# QUERY POWERDNS
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print("DNS: Querying zone ...")
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URL = ENDPOINT_PDNS + '/api/v1/servers/localhost/zones/' + domain + './export'
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try:
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response = requests.get(
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URL,
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headers = {'accept': 'text/plain', 'X-API-Key': APIKEY_PDNS},
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)
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response.raise_for_status()
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data = response.text
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#print(data)
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status = response.status_code
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if status == 200:
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dnsok = True
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print("DNS: Zone found.")
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else:
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dnsok = False
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print("DNS: No zone found, or faulty lookup. Aborting.")
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sys.exit(1)
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except requests.exceptions.HTTPError as err:
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#print("No zone for this domain exists.")
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raise SystemExit(err)
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sys.exit(1)
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except requests.exceptions.ConnectionError as err:
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print("Connection failed.")
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sys.exit(1)
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if dnsok == False:
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sys.exit(1)
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# MAILCOW (can I put cow emoji in comment?)
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print("Mail: Querying domain ...")
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server = ENDPOINT_MAILCOW
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api_key = APIKEY_MAILCOW
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api = '/api/v1'
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get = api + '/get'
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add = api + '/add'
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URL = server + get + '/domain/' + domain
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try:
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response = requests.get(
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URL,
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headers = {'accept': 'application/json', 'X-API-Key': api_key},
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)
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data = response.json()
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status = response.status_code
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#print(data)
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if 'max_new_mailbox_quota' in data:
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print("Mail: Domain found.")
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mailok = True
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initprimary = False
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domain_name = data['domain_name']
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relayhost = data['relayhost']
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else:
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mailok = False
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initprimary = True
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print("Mail: Domain NOT found.")
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dkimok = False
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except requests.exceptions.ConnectionError as err:
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print("Connection failed.")
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sys.exit(1)
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except requests.exceptions.HTTPError as err:
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print(err)
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sys.exit(1)
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if mailok == True and initprimary == False:
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print("Mail: Querying DKIM ...")
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URL = server + get + '/dkim/' + domain
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try:
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response = requests.get(
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URL,
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headers = {'accept': 'application/json', 'X-API-Key': api_key},
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)
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data = response.json()
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#print(data)
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if 'dkim_selector' in data:
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selector = data['dkim_selector']
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txtshould = data['dkim_txt']
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length = data['length']
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pubkey = data['pubkey']
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#print(f"Domain: {domain}\nSelector: {selector}\nTXT: {txtshould}\nPublic Key: {pubkey}")
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#print(txtshould)
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print("Mail: DKIM keypair found.")
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dkimok = True
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else:
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dkimok = False
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print("Mail: No DKIM keypair found.")
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except KeyError:
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print("Mail: No or faulty DKIM lookup.")
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except requests.exceptions.ConnectionError as err:
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print("Connection failed.")
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sys.exit(1)
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except requests.exceptions.HTTPError as err:
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print(err)
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sys.exit(1)
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print("DNS: Querying records ...")
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URL = ENDPOINT_PDNS + '/api/v1/servers/localhost/zones/' + domain + './export'
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try:
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response = requests.get(
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URL,
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headers = {'accept': 'text/plain', 'X-API-Key': APIKEY_PDNS},
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)
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data = response.text
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#print(data)
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for record in data.split('\n'):
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txtsel = selector + '._'
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if txtsel in record:
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#print(record)
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txtis = record.split('"')[1]
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try:
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txtis
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print("DNS: Found DKIM TXT record.")
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dnsdkimok = True
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except NameError:
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print("DNS: No DKIM TXT record found.")
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dnsdkimok = False
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for record in data.split('\n'):
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txtsel = selector + '._'
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if '_dmarc' in record:
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#print(record)
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txtis = record.split('"')[1]
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try:
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txtis
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print("DNS: Found DMARC TXT record.")
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dnsdmarcok = True
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except NameError:
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print("DNS: No DMARC TXT record found.")
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dnsdmarcok = False
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except NameError:
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print("DNS: Missing or faulty DKIM/DMARC records.")
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dnsdmarcok = False
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dnsdkimok = False
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except requests.exceptions.ConnectionError as err:
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print("Connection failed.")
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sys.exit(1)
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except requests.exceptions.HTTPError as err:
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print(err)
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sys.exit(1)
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if dnsok == True and mailok == True and dkimok == True and dnsdkimok == True and dnsdmarcok == True:
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print("All good. No changes seem to be needed. Aborting.")
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sys.exit(0)
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else:
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print("Found inconsistencies:")
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print(f"DNS OK: {dnsok} - Mail OK: {mailok} - Mail DKIM OK: {dkimok} - DNS DKIM OK: {dnsdkimok} - DNS DMARC OK: {dnsdmarcok}")
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print("Will attempt a full repair if not cancelled within 5 seconds ...")
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time.sleep(5)
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if initprimary == True:
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print("Mail: Initializing domain ...")
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URL = server + add + '/domain'
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payload = {
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"active": "1",
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"aliases": "20",
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"backupmx": "0",
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"defquota": "1024",
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"description": domain,
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"domain": domain,
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"mailboxes": "10",
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"maxquota": "2048",
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"quota": "5120",
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"relay_all_recipients": "0",
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"rl_frame": "s",
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"rl_value": "10",
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"restart_sogo": "10"
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}
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response = requests.post(
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URL,
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headers = {'accept': 'application/json', 'X-API-Key': api_key, 'Content-Type': 'application/json'},
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json = payload,
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)
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data = response.json()
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status = data[0]['type']
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try:
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status
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except:
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print("Mail Error:")
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print(data)
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sys.exit(1)
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if status == 'success':
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print("Mail: Created domain.")
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if status == 'danger':
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print("Mail: Failed to create domain.")
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print(data)
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#print(f"CREATION: {status}")
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if initprimary == True or dkimok == False:
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print("Mail: Initializing DKIM ...")
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URL = server + add + '/dkim'
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payload = {
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"dkim_selector": "primary",
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"domains": domain,
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"key_size": "2048"
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}
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response = requests.post(
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URL,
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headers = {'accept': 'application/json', 'X-API-Key': api_key, 'Content-Type': 'application/json'},
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json = payload,
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)
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data = response.json()
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status = data[0]['type']
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try:
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status
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except:
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print("Mail Error:")
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print(data)
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sys.exit(1)
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if status == 'success':
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print("Mail: Created DKIM keypair.")
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if status == 'danger':
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print("Mail: Failed to create DKIM keypair.")
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print(data)
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sys.exit(1)
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#print(f"CREATION: {status}")
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URL = server + get + '/dkim/' + domain
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print("Mail: Querying DKIM ...")
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try:
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response = requests.get(
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URL,
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headers = {'accept': 'application/json', 'X-API-Key': api_key},
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)
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data = response.json()
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#print(data)
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if 'dkim_selector' in data:
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selector = data['dkim_selector']
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txtshould = data['dkim_txt']
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length = data['length']
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pubkey = data['pubkey']
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#print(f"Domain: {domain}\nSelector: {selector}\nTXT: {txtshould}\nPublic Key: {pubkey}")
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#print(txtshould)
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print("Mail: DKIM keypair found.")
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dkimok = True
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else:
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dkimok = False
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print("Mail: No DKIM keypair found. Unable to continue. ABORTING.")
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sys.exit(1)
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except KeyError:
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print("Mail: No or faulty DKIM lookup. Unable to continue. ABORTING.")
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sys.exit(1)
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except requests.exceptions.ConnectionError as err:
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print("Connection failed.")
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sys.exit(1)
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except requests.exceptions.HTTPError as err:
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print(err)
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sys.exit(1)
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# PATCH
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print("DNS: Patching SPF ...")
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URL = ENDPOINT_PDNS + '/api/v1/servers/localhost/zones/' + domain + "."
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payload = {
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"rrsets": [{"name": domain + ".", "type": "TXT", "ttl": "3600", "changetype": "REPLACE", "records": [{"content": "\"v=spf1 mx a -all\"", "disabled": False, "name": domain + "."}]}]
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}
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response = requests.patch(
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URL,
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headers = {'accept': 'application/json', 'X-API-Key': APIKEY_PDNS, 'Content-Type': 'application/json'},
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json = payload,
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)
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status = response.status_code
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if status == 204:
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print("SPF: OK!")
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elif status == 422:
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print("SPF: Failed:")
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print(response.json())
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sys.exit(1)
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else:
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print("Unhandled error.")
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print(status)
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print(response.json())
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sys.exit(1)
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print("DNS: Patching DMARC ...")
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URL = ENDPOINT_PDNS + '/api/v1/servers/localhost/zones/' + domain + "."
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payload = {
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"rrsets": [{"name": "_dmarc." + domain + ".", "type": "TXT", "ttl": "3600", "changetype": "REPLACE", "records": [{"content": "\"v=DMARC1; p=reject; rua=mailto:system@lysergic.dev\"", "disabled": False, "name": "._dmarc." + domain + "."}]}]
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}
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response = requests.patch(
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URL,
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headers = {'accept': 'application/json', 'X-API-Key': APIKEY_PDNS, 'Content-Type': 'application/json'},
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json = payload,
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)
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status = response.status_code
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if status == 204:
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print("DMARC: OK!")
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elif status == 422:
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print("DMARC: Failed:")
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print(response.json())
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sys.exit(1)
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else:
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print("Unhandled error.")
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print(status)
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print(response.json())
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sys.exit(1)
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print("DNS: Patching DKIM ...")
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payload = {
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"rrsets": [{"name": selector + "._domainkey." + domain + ".", "type": "TXT", "ttl": "3600", "changetype": "REPLACE", "records": [{"content": "\""+ txtshould + "\"", "disabled": False, "name": selector + "._domainkey." + domain + "."}]}]
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}
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response = requests.patch(
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URL,
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headers = {'accept': 'application/json', 'X-API-Key': APIKEY_PDNS, 'Content-Type': 'application/json'},
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json = payload,
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)
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status = response.status_code
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if status == 204:
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print("DKIM: OK!")
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elif status == 422:
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print("DKIM: Failed:")
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print(response.json())
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sys.exit(1)
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else:
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print("Unhandled error.")
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print(status)
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print(response.json())
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sys.exit(1)
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print("Done.")
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sys.exit(0)
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