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Resolution of SF bug #1002475 and patch #1003693; Header lines that end in

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\r\n only get the \n stripped, not the \r (unless it's the last header which
does get the \r stripped).  Patch by Tony Meyer.

test_whitespace_continuation_last_header(),
test_strip_line_feed_and_carriage_return_in_headers(): New tests.

_parse_headers(): Be sure to strip \r\n from the right side of header lines.
This commit is contained in:
Barry Warsaw 2004-08-07 15:57:52 +00:00
parent 14d535c3d4
commit 8896bf56a2
2 changed files with 33 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

31
Lib/email/test/test_email.py
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@ -2307,7 +2307,7 @@ class TestParsers(TestEmailBase):
self.failIf(msg.is_multipart())
self.failUnless(isinstance(msg.get_payload(), str))
def test_whitespace_continuaton(self):
def test_whitespace_continuation(self):
eq = self.assertEqual
# This message contains a line after the Subject: header that has only
# whitespace, but it is not empty!
@ -2319,6 +2319,24 @@ Subject: the next line has a space on it
Date: Mon, 8 Apr 2002 15:09:19 -0400
Message-ID: spam
Here's the message body
""")
eq(msg['subject'], 'the next line has a space on it\n ')
eq(msg['message-id'], 'spam')
eq(msg.get_payload(), "Here's the message body\n")
def test_whitespace_continuation_last_header(self):
eq = self.assertEqual
# Like the previous test, but the subject line is the last
# header.
msg = email.message_from_string("""\
From: aperson@dom.ain
To: bperson@dom.ain
Date: Mon, 8 Apr 2002 15:09:19 -0400
Message-ID: spam
Subject: the next line has a space on it
\x20
Here's the message body
""")
eq(msg['subject'], 'the next line has a space on it\n ')
@ -2381,6 +2399,17 @@ Here's the message body
msg = email.message_from_string(NL.join(lines))
self.assertEqual(msg['date'], 'Tue, 20 Aug 2002 16:43:45 +1000')
def test_strip_line_feed_and_carriage_return_in_headers(self):
eq = self.assertEqual
# For [ 1002475 ] email message parser doesn't handle \r\n correctly
value1 = 'text'
value2 = 'more text'
m = 'Header: %s\r\nNext-Header: %s\r\n\r\nBody\r\n\r\n' % (
value1, value2)
msg = email.message_from_string(m)
eq(msg.get('Header'), value1)
eq(msg.get('Next-Header'), value2)
class TestBase64(unittest.TestCase):