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Closes #23801 - Ignore entire preamble to multipart in cgi.FieldStorage

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This commit is contained in:
Donald Stufft 2015-03-29 16:43:23 -04:00
parent 1058cda38f
commit d90f8d10e0
3 changed files with 29 additions and 2 deletions
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19
Lib/test/test_cgi.py
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@ -248,6 +248,25 @@ class CgiTests(unittest.TestCase):
got = getattr(fs.list[x], k)
self.assertEqual(got, exp)
def test_fieldstorage_multipart_leading_whitespace(self):
env = {
'REQUEST_METHOD': 'POST',
'CONTENT_TYPE': 'multipart/form-data; boundary={}'.format(BOUNDARY),
'CONTENT_LENGTH': '560'}
# Add some leading whitespace to our post data that will cause the
# first line to not be the innerboundary.
fp = BytesIO(b"\r\n" + POSTDATA.encode('latin-1'))
fs = cgi.FieldStorage(fp, environ=env, encoding="latin-1")
self.assertEqual(len(fs.list), 4)
expect = [{'name':'id', 'filename':None, 'value':'1234'},
{'name':'title', 'filename':None, 'value':''},
{'name':'file', 'filename':'test.txt', 'value':b'Testing 123.\n'},
{'name':'submit', 'filename':None, 'value':' Add '}]
for x in range(len(fs.list)):
for k, exp in expect[x].items():
got = getattr(fs.list[x], k)
self.assertEqual(got, exp)
def test_fieldstorage_multipart_non_ascii(self):
#Test basic FieldStorage multipart parsing
env = {'REQUEST_METHOD':'POST',