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| author | Barry Warsaw | 2009-01-25 13:01:41 -0500 |
|---|---|---|
| committer | Barry Warsaw | 2009-01-25 13:01:41 -0500 |
| commit | eefd06f1b88b8ecbb23a9013cd223b72ca85c20d (patch) | |
| tree | 72c947fe16fce0e07e996ee74020b26585d7e846 /mailman/rules/suspicious.py | |
| parent | 07871212f74498abd56bef3919bf3e029eb8b930 (diff) | |
| download | mailman-eefd06f1b88b8ecbb23a9013cd223b72ca85c20d.tar.gz mailman-eefd06f1b88b8ecbb23a9013cd223b72ca85c20d.tar.zst mailman-eefd06f1b88b8ecbb23a9013cd223b72ca85c20d.zip | |
Diffstat (limited to 'mailman/rules/suspicious.py')
| -rw-r--r-- | mailman/rules/suspicious.py | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/mailman/rules/suspicious.py b/mailman/rules/suspicious.py deleted file mode 100644 index 00e9a5e9e..000000000 --- a/mailman/rules/suspicious.py +++ /dev/null @@ -1,100 +0,0 @@ -# Copyright (C) 2007-2009 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/>. - -"""The historical 'suspicious header' rule.""" - -from __future__ import absolute_import, unicode_literals - -__metaclass__ = type -__all__ = [ - 'SuspiciousHeader', - ] - - -import re -import logging - -from zope.interface import implements - -from mailman.i18n import _ -from mailman.interfaces.rules import IRule - -log = logging.getLogger('mailman.error') - - - -class SuspiciousHeader: - """The historical 'suspicious header' rule.""" - implements(IRule) - - name = 'suspicious-header' - description = _('Catch messages with suspicious headers.') - record = True - - def check(self, mlist, msg, msgdata): - """See `IRule`.""" - return (mlist.bounce_matching_headers and - has_matching_bounce_header(mlist, msg)) - - - -def _parse_matching_header_opt(mlist): - """Return a list of triples [(field name, regex, line), ...].""" - # - Blank lines and lines with '#' as first char are skipped. - # - Leading whitespace in the matchexp is trimmed - you can defeat - # that by, eg, containing it in gratuitous square brackets. - all = [] - for line in mlist.bounce_matching_headers.splitlines(): - line = line.strip() - # Skip blank lines and lines *starting* with a '#'. - if not line or line.startswith('#'): - continue - i = line.find(':') - if i < 0: - # This didn't look like a header line. BAW: should do a - # better job of informing the list admin. - log.error('bad bounce_matching_header line: %s\n%s', - mlist.real_name, line) - else: - header = line[:i] - value = line[i+1:].lstrip() - try: - cre = re.compile(value, re.IGNORECASE) - except re.error as error: - # The regexp was malformed. BAW: should do a better - # job of informing the list admin. - log.error("""\ -bad regexp in bounce_matching_header line: %s -\n%s (cause: %s)""", mlist.real_name, value, error) - else: - all.append((header, cre, line)) - return all - - -def has_matching_bounce_header(mlist, msg): - """Does the message have a matching bounce header? - - :param mlist: The mailing list the message is destined for. - :param msg: The email message object. - :return: True if a header field matches a regexp in the - bounce_matching_header mailing list variable. - """ - for header, cre, line in _parse_matching_header_opt(mlist): - for value in msg.get_all(header, []): - if cre.search(value): - return True - return False |
