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Added additional checks in is_safe_url to account for flexible parsing.

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This is a security fix. Disclosure following shortly.
This commit is contained in:
Erik Romijn 2014-05-12 07:38:39 -04:00 • committed by Florian Apolloner
parent 3800f63721
commit 255449c1ee
3 changed files with 50 additions and 4 deletions
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30
tests/utils_tests/test_http.py
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@ -89,6 +89,36 @@ class TestUtilsHttp(unittest.TestCase):
self.assertEqual(http.int_to_base36(n), b36)
self.assertEqual(http.base36_to_int(b36), n)
def test_is_safe_url(self):
for bad_url in ('http://example.com',
'http:///example.com',
'https://example.com',
'ftp://exampel.com',
r'\\example.com',
r'\\\example.com',
r'/\\/example.com',
r'\\\example.com',
r'\\example.com',
r'\\//example.com',
r'/\/example.com',
r'\/example.com',
r'/\example.com',
'http:///example.com',
'http:/\//example.com',
'http:\/example.com',
'http:/\example.com',
'javascript:alert("XSS")'):
self.assertFalse(http.is_safe_url(bad_url, host='testserver'), "%s should be blocked" % bad_url)
for good_url in ('/view/?param=http://example.com',
'/view/?param=https://example.com',
'/view?param=ftp://exampel.com',
'view/?param=//example.com',
'https://testserver/',
'HTTPS://testserver/',
'//testserver/',
'/url%20with%20spaces/'):
self.assertTrue(http.is_safe_url(good_url, host='testserver'), "%s should be allowed" % good_url)
class ETagProcessingTests(unittest.TestCase):
def testParsing(self):