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Keep storage.names() from passing None to open()

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Fixes exiting abnormally with:
    TypeError: coercing to Unicode: need string or buffer, NoneType found
This commit is contained in:
Daniel Convissor
2015-12-19 10:06:24 -05:00
parent 0c704fa7f2
commit 0822906c29
1 changed files with 3 additions and 0 deletions
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letsencrypt/storage.py
+3
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@@ -450,12 +450,15 @@ class RenewableCert(object): # pylint: disable=too-many-instance-attributes
:param int version: the desired version number :param int version: the desired version number
:returns: the subject names :returns: the subject names
:rtype: `list` of `str` :rtype: `list` of `str`
:raises .CertStorageError: if could not find cert file.
""" """
if version is None: if version is None:
target = self.current_target("cert") target = self.current_target("cert")
else: else:
target = self.version("cert", version) target = self.version("cert", version)
if target is None:
raise errors.CertStorageError("could not find cert file")
with open(target) as f: with open(target) as f:
return crypto_util.get_sans_from_cert(f.read()) return crypto_util.get_sans_from_cert(f.read())