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| author | Abhilash Raj <maxking@users.noreply.github.com> | 2019-07-17 09:48:52 -0700 |
|---|---|---|
| committer | Barry Warsaw <barry@python.org> | 2019-07-17 09:48:52 -0700 |
| commit | 719a062bcb7b08a56e6576dcd75f4244e6053209 (patch) | |
| tree | f0a504456d20cbda6b1cc888e158e50652e7cde4 | |
| parent | a4a994bd3e619cbaff97610a1cee8ffa87c672f5 (diff) | |
| download | cpython-git-719a062bcb7b08a56e6576dcd75f4244e6053209.tar.gz | |
Fix IndexError when parsing unexpectedly ending quoted-string. (GH-14813)
This exception was caused because the input ended unexpectedly with only one
single quote instead of a pair with some value inside it.
| -rw-r--r-- | Lib/email/_header_value_parser.py | 2 | ||||
| -rw-r--r-- | Lib/test/test_email/test__header_value_parser.py | 4 | ||||
| -rw-r--r-- | Misc/NEWS.d/next/Library/2019-07-17-06-54-43.bpo-37491.op0aMs.rst | 2 |
3 files changed, 7 insertions, 1 deletions
diff --git a/Lib/email/_header_value_parser.py b/Lib/email/_header_value_parser.py index 66b042ee0e..daff57b9cf 100644 --- a/Lib/email/_header_value_parser.py +++ b/Lib/email/_header_value_parser.py @@ -1191,7 +1191,7 @@ def get_bare_quoted_string(value): "expected '\"' but found '{}'".format(value)) bare_quoted_string = BareQuotedString() value = value[1:] - if value[0] == '"': + if value and value[0] == '"': token, value = get_qcontent(value) bare_quoted_string.append(token) while value and value[0] != '"': diff --git a/Lib/test/test_email/test__header_value_parser.py b/Lib/test/test_email/test__header_value_parser.py index a83915d6d0..4fa56b16c4 100644 --- a/Lib/test/test_email/test__header_value_parser.py +++ b/Lib/test/test_email/test__header_value_parser.py @@ -522,6 +522,10 @@ class TestParser(TestParserMixin, TestEmailBase): self._test_get_x(parser.get_bare_quoted_string, '""', '""', '', [], '') + def test_get_bare_quoted_string_missing_endquotes(self): + self._test_get_x(parser.get_bare_quoted_string, + '"', '""', '', [errors.InvalidHeaderDefect], '') + def test_get_bare_quoted_string_following_wsp_preserved(self): self._test_get_x(parser.get_bare_quoted_string, '"foo"\t bar', '"foo"', 'foo', [], '\t bar') diff --git a/Misc/NEWS.d/next/Library/2019-07-17-06-54-43.bpo-37491.op0aMs.rst b/Misc/NEWS.d/next/Library/2019-07-17-06-54-43.bpo-37491.op0aMs.rst new file mode 100644 index 0000000000..af4287ba47 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2019-07-17-06-54-43.bpo-37491.op0aMs.rst @@ -0,0 +1,2 @@ +Fix ``IndexError`` when parsing email headers with unexpectedly ending +bare-quoted string value. Patch by Abhilash Raj. |