blob: dbfe13232ca5891bc86d6bb310a131f0fc7ab746 (
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import base64, binascii
from twisted.python.filepath import FilePath
from twisted.conch.checkers import SSHPublicKeyDatabase
class PublicKeyChecker(SSHPublicKeyDatabase):
def __init__(self, filename):
self.filepath = FilePath(filename)
def getAuthorizedKeysFiles(self, credentials):
return [self.filepath]
def checkKey(self, credentials):
for line in self.filepath.open():
parts = line.split()
if len(parts) < 2:
continue
try:
if base64.decodestring(parts[1]) == credentials.blob:
return True
except binascii.Error:
continue
return False
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