37 lines
1.3 KiB
Python
37 lines
1.3 KiB
Python
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#!/usr/bin/python3
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# Put this script into a Crontab on your Mailcow instance.
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# I use an interval of 5 minutes.
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import requests
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import socket
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# Your Mailcow API key
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API_KEY=''
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# The forwarding host you would like to whitelist
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DYN_FWDHOST='dsl-dynamic-host.example.org'
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# The public-facing hostname of your Mailcow instance
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MAILCOW_HOSTNAME='mx.example.org'
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s = requests.Session()
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s.headers.update({'X-API-Key': API_KEY})
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r = s.get('https://{}/api/v1/get/fwdhost/all'.format(MAILCOW_HOSTNAME))
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r.raise_for_status()
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current_fwdhosts = r.json()
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print('got current hosts: {}'.format(r.text))
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home_ip = socket.gethostbyname(DYN_FWDHOST)
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current_ips = [x['host'] for x in current_fwdhosts]
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if home_ip in current_ips:
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exit('Home IP already registered, exiting.')
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fwdhosts_to_delete = []
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if current_fwdhosts:
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for host in current_fwdhosts:
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if host['source'] == DYN_FWDHOST:
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fwdhosts_to_delete.append(host['host']) # ['host'] => IP
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d = s.post('https://{}/api/v1/delete/fwdhost'.format(MAILCOW_HOSTNAME), json=fwdhosts_to_delete)
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print('Deleted hosts {} with response {}:'.format(str(fwdhosts_to_delete), d.status_code))
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print(d.text)
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a = s.post('https://{}/api/v1/add/fwdhost'.format(MAILCOW_HOSTNAME), json={
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'filter_spam':'0',
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'hostname': DYN_FWDHOST
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})
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print('Added host {} with response {}'.format(DYN_FWDHOST, a.status_code))
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exit(0)
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