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# Copyright (C) 1998-2009 by the Free Software Foundation, Inc.
#
# This file is part of GNU Mailman.
#
# GNU Mailman is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# GNU Mailman 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 General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# GNU Mailman. 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)
"""
import re
from email.Message import Message
from cStringIO import StringIO
acre = re.compile(r'<(?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
def process(msg):
if msg.get_content_type() <> 'multipart/mixed' or not msg['x-mailer']:
return None
addrs = {}
# find the first text/plain part in the message
textplain = find_textplain(msg)
if not textplain:
return None
body = StringIO(textplain.get_payload())
while 1:
line = body.readline()
if not line:
break
mo = acre.search(line)
if mo:
addrs[mo.group('addr')] = 1
elif '@' in line:
i = line.find(' ')
if i == 0:
continue
if i < 0:
addrs[line] = 1
else:
addrs[line[:i]] = 1
return addrs.keys()
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