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py3: normalize_certificate: support both bytes and unicode

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https://fedorahosted.org/freeipa/ticket/4985

Reviewed-By: Christian Heimes <cheimes@redhat.com>
This commit is contained in:
Martin Basti 2017-01-19 16:11:08 +01:00
parent b8d6524d43
commit 980c8a5f9e
1 changed files with 15 additions and 6 deletions
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21
ipalib/x509.py
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@ -251,13 +251,22 @@ def normalize_certificate(rawcert):
rawcert = strip_header(rawcert)
if util.isvalid_base64(rawcert):
try:
dercert = base64.b64decode(rawcert)
except Exception as e:
raise errors.Base64DecodeError(reason=str(e))
else:
try:
if isinstance(rawcert, bytes):
# base64 must work with utf-8, otherwise it is raw bin certificate
decoded_cert = rawcert.decode('utf-8')
else:
decoded_cert = rawcert
except UnicodeDecodeError:
dercert = rawcert
else:
if util.isvalid_base64(decoded_cert):
try:
dercert = base64.b64decode(decoded_cert)
except Exception as e:
raise errors.Base64DecodeError(reason=str(e))
else:
dercert = rawcert
# At this point we should have a DER certificate.
# Attempt to decode it.