98 lines
3.3 KiB
Python
Executable file
98 lines
3.3 KiB
Python
Executable file
#!/usr/bin/env python3
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# authenticator.py
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#
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# Copyright (c) 2019-2020, Erik C. Thauvin (erik@thauvin.net)
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# Neither the name of this project nor the names of its contributors may be
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# used to endorse or promote products derived from this software without
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# specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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# THE POSSIBILITY OF SUCH DAMAGE.
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import os
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import sys
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import tempfile
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import time
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import urllib.request
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import tldextract
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import untangle
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from config import apikey, wait
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def sleep(minutes):
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if minutes < 16:
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minutes = 16
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print("Waiting", minutes, "minutes for DNS changes to complete...")
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time.sleep(minutes * 60)
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domain = os.environ['CERTBOT_DOMAIN']
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validation = os.environ['CERTBOT_VALIDATION']
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tmpdir = os.path.join(tempfile.gettempdir(), "CERTBOT_" + domain)
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rrhost = "_acme-challenge"
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if "NAMESILO_API" in os.environ:
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apikey = os.environ['NAMESILO_API']
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tld = tldextract.extract(domain)
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nsdomain = tld.domain + "." + tld.suffix
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if tld.subdomain:
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rrhost += "." + tld.subdomain
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url = "https://www.namesilo.com/api/dnsAddRecord?\
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version=1&type=xml&key=" + apikey + "&domain=" + nsdomain + "&rrtype=TXT\
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&rrhost=" + rrhost + "&rrvalue=" + validation + "&rrttl=3600"
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req = urllib.request.Request(
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url,
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data=None,
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headers={
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'User-Agent': ('Mozilla/5.0 (Windows NT 10.0; Win64; x64) '
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'AppleWebKit/537.36 (KHTML, like Gecko) '
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'Chrome/80.0.3987.163 Safari/537.36')
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}
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)
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with urllib.request.urlopen(req) as response:
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html = response.read()
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xml = untangle.parse(str(html, 'utf-8'))
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if not os.path.exists(tmpdir):
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os.mkdir(tmpdir, 0o700)
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if xml.namesilo.reply.code.cdata == '300':
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f = open(os.path.join(tmpdir, "RECORD_ID"), "a+")
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print(xml.namesilo.reply.record_id.cdata, file=f)
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f.close()
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else:
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print("{}: {} ({})".format(domain,
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xml.namesilo.reply.detail.cdata,
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xml.namesilo.reply.code.cdata), file=sys.stderr)
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sys.exit(1)
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# Sleep X minutes
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sleep(wait)
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