def _identify_sanity_check(self, real_name):
if (
real_name.startswith(b"hellotelepresence")
and real_name.endswith(b"telepresence.io")
):
print("Sanity check: {}".format(real_name))
return defer.fail(error.AuthoritativeDomainError("Sanity check"))
def _lookup(self, name, cls, type, timeout):
if cls != dns.IN:
return defer.fail(error.DomainError())
# Try to answer dynamically
res = self.store.match(name, type)
if res:
# Return positive response
# Be prepared to chase CNAMEs
if res.payload:
# if query.type == res.type:
answer = dns.RRHeader(
name=name,
type=res.type,
payload=res.to_record(),
)
answers = [answer]
authority = []
additional = []
return defer.succeed((answers, authority, additional))
# Return negative response
else:
return defer.fail(error.AuthoritativeDomainError())
# Don't know
else:
return defer.fail(error.DomainError())
def test_gotResolverErrorAuthoritativeDomainError(self):
"""
L{server.DNSServerFactory.gotResolver} triggers a response message with
an C{rCode} of L{dns.ENAME} if supplied with a
L{error.AuthoritativeDomainError}.
"""
self._assertMessageRcodeForError(
error.AuthoritativeDomainError(), dns.ENAME)