34 lines
1.0 KiB
Python
34 lines
1.0 KiB
Python
from afew.filters.BaseFilter import Filter
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from afew.FilterRegistry import register_filter
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from khard.config import Config
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import re
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@register_filter
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class TagOrContact(Filter):
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message = 'Allow only tagged messages from non-contacts'
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user = None
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domain = None
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def __init__(self, database, **kwargs):
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super(TagOrContact, self).__init__(database, **kwargs)
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self._extract_tag_re = re.compile(f'[^+]+(\+(?P<tag>[^@]+))?@[^@]+')
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self._bare_email_re = re.compile(r'[^<]*<(?P<email>[^@<>]+@[^@<>]+)>')
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self._contactbook = Config().abook
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def handle_message(self, message):
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recipient = message.get_header('Delivered-To')
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match = self._extract_tag_re.fullmatch(recipient)
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if match is None: return # wrong email
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if match.group('tag'):
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self.add_tags(message, match['tag'])
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else:
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sender = message.get_header('From')
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if '<' in sender: sender = self._bare_email_re.fullmatch(sender)['email']
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if self._contactbook.search(sender):
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self.add_tags(message, 'contact')
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else:
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self.add_tags(message, 'killed')
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