mirror of
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50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# web - http based challenge handler
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# Copyright (c) Rudolf Mayerhofer, 2019.
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# available under the ISC license, see LICENSE
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import datetime
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import os
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from modes.abstract import AbstractChallengeHandler
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import datetime
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try:
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from urllib.request import urlopen # Python 3
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except ImportError:
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from urllib2 import urlopen # Python 2
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class ChallengeHandler(AbstractChallengeHandler):
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def __init__(self, config):
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AbstractChallengeHandler.__init__(self, config)
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self.challenge_directory = config.get("webdir", "/var/www/acme-challenge/")
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if not os.path.isdir(self.challenge_directory):
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raise FileNotFoundError("Challenge directory (%s) does not exist!" % self.challenge_directory)
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@staticmethod
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def get_challenge_type():
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return "http-01"
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def create_challenge(self, domain, thumbprint, token):
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keyauthorization = "{0}.{1}".format(token, thumbprint)
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wellknown_path = os.path.join(self.challenge_directory, token)
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with open(wellknown_path, "w") as wellknown_file:
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wellknown_file.write(keyauthorization)
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# check that the file is in place
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wellknown_url = "http://{0}/.well-known/acme-challenge/{1}".format(domain, token)
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try:
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resp = urlopen(wellknown_url)
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resp_data = resp.read().decode('utf8').strip()
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assert resp_data == keyauthorization
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except (IOError, AssertionError):
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os.remove(wellknown_path)
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raise ValueError("Wrote file to {0}, but couldn't download {1}".format(
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wellknown_path, wellknown_url))
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return datetime.datetime.now()
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def destroy_challenge(self, domain, thumbprint, token):
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os.remove(os.path.join(self.challenge_directory, token))
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