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Update dnspython-2.2.0

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JonnyWong16 2021-10-14 21:36:41 -07:00
commit 4d62245cf5
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111 changed files with 9077 additions and 5877 deletions
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37
lib/dns/tsigkeyring.py
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@ -1,3 +1,5 @@
# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc.
#
# Permission to use, copy, modify, and distribute this software and its
@ -21,26 +23,37 @@ import dns.name
def from_text(textring):
"""Convert a dictionary containing (textual DNS name, base64 secret) pairs
into a binary keyring which has (dns.name.Name, binary secret) pairs.
"""Convert a dictionary containing (textual DNS name, base64 secret)
pairs into a binary keyring which has (dns.name.Name, bytes) pairs, or
a dictionary containing (textual DNS name, (algorithm, base64 secret))
pairs into a binary keyring which has (dns.name.Name, dns.tsig.Key) pairs.
@rtype: dict"""
keyring = {}
for keytext in textring:
keyname = dns.name.from_text(keytext)
secret = base64.decodestring(textring[keytext])
keyring[keyname] = secret
for (name, value) in textring.items():
name = dns.name.from_text(name)
if isinstance(value, str):
keyring[name] = dns.tsig.Key(name, value).secret
else:
(algorithm, secret) = value
keyring[name] = dns.tsig.Key(name, secret, algorithm)
return keyring
def to_text(keyring):
"""Convert a dictionary containing (dns.name.Name, binary secret) pairs
into a text keyring which has (textual DNS name, base64 secret) pairs.
"""Convert a dictionary containing (dns.name.Name, dns.tsig.Key) pairs
into a text keyring which has (textual DNS name, (textual algorithm,
base64 secret)) pairs, or a dictionary containing (dns.name.Name, bytes)
pairs into a text keyring which has (textual DNS name, base64 secret) pairs.
@rtype: dict"""
textring = {}
for keyname in keyring:
keytext = keyname.to_text()
secret = base64.encodestring(keyring[keyname])
textring[keytext] = secret
def b64encode(secret):
return base64.encodebytes(secret).decode().rstrip()
for (name, key) in keyring.items():
name = name.to_text()
if isinstance(key, bytes):
textring[name] = b64encode(key)
else:
textring[name] = (key.algorithm.to_text(), b64encode(key.secret))
return textring