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"""
ddupdate plugin updating data on dynu.com.
See: ddupdate(8)
See: https://www.dynu.com/Resources/API/Documentation
"""
import base64
from urllib.parse import urlparse
from ddupdate.ddplugin import ServicePlugin, ServiceError
from ddupdate.ddplugin import get_response, get_netrc_auth
class DynuPlugin(ServicePlugin):
"""
Update a dns entry on dynu.com.
Supports most address plugins including default-wep-ip, default-if
and ip-disabled. ipv6 is supported.
.netrc: Use a line like:
machine api.dynu.com login <username> password <password>
Options:
none
See: https://www.dynu.com/en-US/DynamicDNS/IP-Update-Protocol
"""
_name = 'dynu.com'
_oneliner = 'Updates on https://www.dynu.com/en-US/DynamicDNS'
_url = "https://api.dynu.com/nic/update?host={0}"
def register(self, log, hostname, ip, options):
"""Implement ServicePlugin.register()."""
url = self._url.format(hostname)
api_host = urlparse(url).hostname
username, password = get_netrc_auth(api_host)
user_pw = ('%s:%s' % (username, password))
credentials = base64.b64encode(user_pw.encode('ascii'))
auth_header = ('Authorization', 'Basic ' + credentials.decode("ascii"))
if ip and ip.v4:
url += "&myip=" + ip.v4
if ip and ip.v6:
url += "&myipv6=" + ip.v6
reply = get_response(log, url, header=auth_header)
if not ('good' in reply or 'nochg' in reply):
raise ServiceError("Update error: " + reply)
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