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allowing for _ in domains

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This commit is contained in:
alwaysjolley 2020-06-03 13:20:23 -04:00
parent 1b8507636b
commit 1bcc9d5d0d
2 changed files with 2 additions and 2 deletions
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2
lemur/dns_providers/util.py
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@ -35,7 +35,7 @@ def is_valid_domain(domain):
domain = domain[:-1]
if len(domain) > 253:
return False
fqdn_re = re.compile("(?=^.{1,63}$)(^(?:[a-z0-9](?:-*[a-z0-9])+)$|^[a-z0-9]$)", re.IGNORECASE)
fqdn_re = re.compile("(?=^.{1,63}$)(^(?:[a-z0-9_](?:-*[a-z0-9_])+)$|^[a-z0-9]$)", re.IGNORECASE)
return all(fqdn_re.match(d) for d in domain.split("."))

2
lemur/tests/test_dns_providers.py
View File

@ -11,7 +11,7 @@ class TestDNSProvider(unittest.TestCase):
self.assertTrue(dnsutil.is_valid_domain('example.io'))
self.assertTrue(dnsutil.is_valid_domain('example-of-under-63-character-domain-label-length-limit-1234567.com'))
self.assertFalse(dnsutil.is_valid_domain('example-of-over-63-character-domain-label-length-limit-123456789.com'))
self.assertFalse(dnsutil.is_valid_domain('_acme-chall.example.com'))
self.assertTrue(dnsutil.is_valid_domain('_acme-chall.example.com'))
self.assertFalse(dnsutil.is_valid_domain('e/xample.com'))
self.assertFalse(dnsutil.is_valid_domain('exam\ple.com'))
self.assertFalse(dnsutil.is_valid_domain('<example.com'))