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[3.11] gh-103186: assert in tests that UnsafeMailcapInput warnings are provided (GH-103217)#108800

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Merged
serhiy-storchaka merged 1 commit into from
Sep 2, 2023
Merged

[3.11] gh-103186: assert in tests that UnsafeMailcapInput warnings are provided (GH-103217) #108800

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28 changes: 24 additions & 4 deletions Lib/test/test_mailcap.py
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Original file line numberDiff line numberDiff line change
Expand Up@@ -128,7 +128,6 @@ def test_subst(self):
(["", "audio/*", "foo.txt"], ""),
(["echo foo", "audio/*", "foo.txt"], "echo foo"),
(["echo %s", "audio/*", "foo.txt"], "echo foo.txt"),
(["echo %t", "audio/*", "foo.txt"], None),
(["echo %t", "audio/wav", "foo.txt"], "echo audio/wav"),
(["echo \\%t", "audio/*", "foo.txt"], "echo %t"),
(["echo foo", "audio/*", "foo.txt", plist], "echo foo"),
Expand DownExpand Up@@ -211,9 +210,6 @@ def test_findmatch(self):
([c, "audio/basic"],
{"key": "description", "filename": fname},
('"An audio fragment"', audio_basic_entry)),
([c, "audio/*"],
{"filename": fname},
(None, None)),
([c, "audio/wav"],
{"filename": fname},
("/usr/local/bin/showaudio audio/wav", audio_entry)),
Expand DownExpand Up@@ -246,6 +242,30 @@ def test_test(self):
]
self._run_cases(cases)

def test_unsafe_mailcap_input(self):
with self.assertWarnsRegex(mailcap.UnsafeMailcapInput,
'Refusing to substitute parameter.*'
'into a shell command'):
unsafe_param = mailcap.subst("echo %{total}",
"audio/wav",
"foo.txt",
["total=*"])
self.assertEqual(unsafe_param, None)

with self.assertWarnsRegex(mailcap.UnsafeMailcapInput,
'Refusing to substitute MIME type'
'.*into a shell'):
unsafe_mimetype = mailcap.subst("echo %t", "audio/*", "foo.txt")
self.assertEqual(unsafe_mimetype, None)

with self.assertWarnsRegex(mailcap.UnsafeMailcapInput,
'Refusing to use mailcap with filename.*'
'Use a safe temporary filename.'):
unsafe_filename = mailcap.findmatch(MAILCAPDICT,
"audio/wav",
filename="foo*.txt")
self.assertEqual(unsafe_filename, (None, None))

def _run_cases(self, cases):
for c in cases:
self.assertEqual(mailcap.findmatch(*c[0], **c[1]), c[2])
Expand Down