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50 lines
2.0 KiB
50 lines
2.0 KiB
2 years ago
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diff --git a/Lib/test/test_urllib.py b/Lib/test/test_urllib.py
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index 649a5b8..0061a52 100644
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--- a/Lib/test/test_urllib.py
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+++ b/Lib/test/test_urllib.py
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@@ -16,6 +16,7 @@ except ImportError:
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ssl = None
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import sys
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import tempfile
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+import warnings
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from nturl2path import url2pathname, pathname2url
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from base64 import b64encode
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@@ -1463,6 +1464,23 @@ class URLopener_Tests(unittest.TestCase):
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"spam://c:|windows%/:=&?~#+!$,;'@()*[]|/path/"),
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"//c:|windows%/:=&?~#+!$,;'@()*[]|/path/")
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+ def test_local_file_open(self):
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+ # bpo-35907, CVE-2019-9948: urllib must reject local_file:// scheme
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+ class DummyURLopener(urllib.request.URLopener):
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+ def open_local_file(self, url):
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+ return url
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+
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+ with warnings.catch_warnings(record=True):
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+ warnings.simplefilter("ignore", DeprecationWarning)
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+
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+ for url in ('local_file://example', 'local-file://example'):
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+ self.assertRaises(OSError, urllib.request.urlopen, url)
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+ self.assertRaises(OSError, urllib.request.URLopener().open, url)
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+ self.assertRaises(OSError, urllib.request.URLopener().retrieve, url)
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+ self.assertRaises(OSError, DummyURLopener().open, url)
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+ self.assertRaises(OSError, DummyURLopener().retrieve, url)
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+
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+
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# Just commented them out.
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# Can't really tell why keep failing in windows and sparc.
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# Everywhere else they work ok, but on those machines, sometimes
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diff --git a/Lib/urllib/request.py b/Lib/urllib/request.py
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index d28f2f8..c9945d9 100644
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--- a/Lib/urllib/request.py
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+++ b/Lib/urllib/request.py
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@@ -1747,7 +1747,7 @@ class URLopener:
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name = 'open_' + urltype
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self.type = urltype
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name = name.replace('-', '_')
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- if not hasattr(self, name):
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+ if not hasattr(self, name) or name == 'open_local_file':
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if proxy:
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return self.open_unknown_proxy(proxy, fullurl, data)
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else:
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