/usr/lib/python2.7/dist-packages/flufl/bounce/_detectors/groupwise.py is in python-flufl.bounce 2.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | # Copyright (C) 1998-2014 by Barry A. Warsaw
#
# This file is part of flufl.bounce
#
# flufl.bounce is free software: you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by the
# Free Software Foundation, version 3 of the License.
#
# flufl.bounce is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
# for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with flufl.bounce. If not, see <http://www.gnu.org/licenses/>.
"""This appears to be the format for Novell GroupWise and NTMail
X-Mailer: Novell GroupWise Internet Agent 5.5.3.1
X-Mailer: NTMail v4.30.0012
X-Mailer: Internet Mail Service (5.5.2653.19)
"""
from __future__ import absolute_import, unicode_literals
__metaclass__ = type
__all__ = [
'GroupWise',
]
import re
from email.message import Message
from io import BytesIO
from zope.interface import implementer
from flufl.bounce.interfaces import (
IBounceDetector, NoFailures, NoTemporaryFailures)
acre = re.compile(b'<(?P<addr>[^>]*)>')
def find_textplain(msg):
if msg.get_content_type() == 'text/plain':
return msg
if msg.is_multipart:
for part in msg.get_payload():
if not isinstance(part, Message):
continue
ret = find_textplain(part)
if ret:
return ret
return None
@implementer(IBounceDetector)
class GroupWise:
"""Parse Novell GroupWise and NTMail bounces."""
def process(self, msg):
"""See `IBounceDetector`."""
if msg.get_content_type() != 'multipart/mixed' or not msg['x-mailer']:
return NoFailures
addresses = set()
# Find the first text/plain part in the message.
text_plain = find_textplain(msg)
if text_plain is None:
return NoFailures
body = BytesIO(text_plain.get_payload(decode=True))
for line in body:
mo = acre.search(line)
if mo:
addresses.add(mo.group('addr'))
elif b'@' in line:
i = line.find(b' ')
if i == 0:
continue
if i < 0:
addresses.add(line)
else:
addresses.add(line[:i])
return NoTemporaryFailures, set(addresses)
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