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<iframe> tag must have closing tag #25

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Merged
merged 6 commits into from
Oct 2, 2025
Merged

<iframe> tag must have closing tag #25

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0aee4d0
<iframe> tag must have closing tag
qykth-git Sep 25, 2025
7af4b51
Restore original test code that works without closing tag
qykth-git Sep 29, 2025
0f705cf
lxml 6 no more drops control characters while parsing HTML input
qykth-git Sep 30, 2025
d5f935c
lxml 6.0.0 removes support for Python < 3.8
qykth-git Sep 30, 2025
af5e41b
Drop py36 from Github workflow
qykth-git Sep 30, 2025
1f767cd
Revert "Install build dependencies for Python 3.6"
qykth-git Oct 1, 2025
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8 changes: 4 additions & 4 deletions tests/test_clean.py
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Original file line number Diff line number Diff line change
Expand Up @@ -321,7 +321,7 @@ def test_host_whitelist_slash_type_confusion(self):
# creates a host_whitelist of the empty string; a malformed triple-slash
# URL has an "empty host" according to urlsplit, and `"" in ""` passes.
# So, don't allow user to accidentally pass a string for host_whitelist.
html = '<div><iframe src="https:///evil.com/page"></div>'
html = '<div><iframe src="https:///evil.com/page"></iframe></div>'
with self.assertRaises(TypeError) as exc:
# If this were the intended `("example.com",)` the expected
# output would be '<div></div>'
Expand All @@ -331,20 +331,20 @@ def test_host_whitelist_slash_type_confusion(self):

def test_host_whitelist_valid(self):
# Frame with valid hostname in src is allowed.
html = '<div><iframe src="https://example.com/page"></div>'
html = '<div><iframe src="https://example.com/page"></iframe></div>'
expected = '<div><iframe src="https://example.com/page"></iframe></div>'
cleaner = Cleaner(frames=False, host_whitelist=["example.com"])
self.assertEqual(expected, cleaner.clean_html(html))

def test_host_whitelist_invalid(self):
html = '<div><iframe src="https://evil.com/page"></div>'
html = '<div><iframe src="https://evil.com/page"></iframe></div>'
expected = '<div></div>'
cleaner = Cleaner(frames=False, host_whitelist=["example.com"])
self.assertEqual(expected, cleaner.clean_html(html))

def test_host_whitelist_sneaky_userinfo(self):
# Regression test: Don't be fooled by hostname and colon in userinfo.
html = '<div><iframe src="https://example.com:@evil.com/page"></div>'
html = '<div><iframe src="https://example.com:@evil.com/page"></iframe></div>'
expected = '<div></div>'
cleaner = Cleaner(frames=False, host_whitelist=["example.com"])
self.assertEqual(expected, cleaner.clean_html(html))
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