def _dispose(self, mlist, msg, msgdata):
# List isn't doing bounce processing?
if not mlist.process_bounces:
return False
# Try VERP detection first, since it's quick and easy
context = BounceContext.normal
addresses = StandardVERP().get_verp(mlist, msg)
if len(addresses) > 0:
# Scan the message to see if it contained permanent or temporary
# failures. We'll ignore temporary failures, but even if there
# are no permanent failures, we'll assume VERP bounces are
# permanent.
temporary, permanent = all_failures(msg)
if len(temporary) > 0:
# This was a temporary failure, so just ignore it.
return False
else:
# See if this was a probe message.
addresses = ProbeVERP().get_verp(mlist, msg)
if len(addresses) > 0:
context = BounceContext.probe
else:
# That didn't give us anything useful, so try the old fashion
# bounce matching modules. Since Mailman currently doesn't
# score temporary failures, if we get no permanent failures,
# we're done, but we do need to check for temporary failures
# to know if the bounce was recognized.
temporary, addresses = all_failures(msg)
if len(addresses) == 0 and len(temporary) > 0:
# This is a recognized temp fail so ignore it.
return False
# If that still didn't return us any useful addresses, then send it on
# or discard it. The addresses will come back from flufl.bounce as
# bytes/8-bit strings, but we must store them as unicodes in the
# database. Assume utf-8 encoding, but be cautious.
if len(addresses) > 0:
for address in addresses:
if isinstance(address, bytes):
try:
address = address.decode('utf-8')
except UnicodeError:
log.exception('Ignoring non-UTF-8 encoded '
'address: {}'.format(address))
continue
self._processor.register(mlist, address, msg, context)
else:
log.info('Bounce message w/no discernable addresses: %s',
msg.get('message-id', 'n/a'))
maybe_forward(mlist, msg)
# Dequeue this message.
return False
def test_get_addresses(self):
# Be able to extract the probed address from the pending database
# based on the token in a probe bounce.
token = send_probe(self._member, self._msg)
# Simulate a bounce of the message in the virgin queue.
message = get_queue_messages('virgin')[0].msg
bounce = mfs("""\
To: {0}
From: [email protected]
""".format(message['From']))
addresses = ProbeVERP().get_verp(self._mlist, bounce)
self.assertEqual(addresses, set(['*****@*****.**']))
# The pendable is no longer in the database.
self.assertEqual(getUtility(IPendings).confirm(token), None)