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gh-86650: Fix IndexError when parse emails with invalid Message-ID (GH-117934)

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In particularly, one-off addresses generated by Microsoft Outlook:
https://learn.microsoft.com/en-us/office/client-developer/outlook/mapi/one-off-addresses

Co-authored-by: fsc-eriker <72394365+fsc-eriker@users.noreply.github.com>
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Serhiy Storchaka 2024-04-17 10:44:41 +03:00 • committed by GitHub
parent 8cc9adbfdd
commit f74e51229c
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25
Lib/test/test_email/test__header_value_parser.py
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@ -2724,6 +2724,31 @@ def test_get_msg_id_no_angle_end(self):
)
self.assertEqual(msg_id.token_type, 'msg-id')
def test_get_msg_id_empty_id_left(self):
with self.assertRaises(errors.HeaderParseError):
parser.get_msg_id("<@domain>")
def test_get_msg_id_empty_id_right(self):
with self.assertRaises(errors.HeaderParseError):
parser.get_msg_id("<simplelocal@>")
def test_get_msg_id_with_brackets(self):
# Microsof Outlook generates non-standard one-off addresses:
# https://learn.microsoft.com/en-us/office/client-developer/outlook/mapi/one-off-addresses
with self.assertRaises(errors.HeaderParseError):
parser.get_msg_id("<[abrakadabra@microsoft.com]>")
def test_get_msg_id_ws_only_local(self):
msg_id = self._test_get_x(
parser.get_msg_id,
"< @domain>",
"< @domain>",
"< @domain>",
[errors.ObsoleteHeaderDefect],
""
)
self.assertEqual(msg_id.token_type, 'msg-id')
@parameterize