class EncryptedStorage(Storage):
def __init__(self, filename, key):
super(EncryptedStorage, self).__init__(filename)
self.enc = SaltedAESString()
self._key = key
# ---------------------------------------------------------------------
def locked_get(self):
"""Original:Retrieve Credential from file.
!!!
Subclassed and Overrided: Retrieve Credential from ENCRYPTED file
!!!
Returns:
oauth2client.client.Credentials
Raises:
CredentialsFileSymbolicLinkError if the file is a symbolic link.
"""
credentials = None
self._validate_file()
try:
f = open(self._filename, 'rb')
content = self.enc.decrypt(self._key, f.read())
f.close()
except IOError:
return credentials
try:
credentials = Credentials.new_from_json(content)
credentials.set_store(self)
except ValueError:
pass
return credentials
# ---------------------------------------------------------------------
def locked_put(self, credentials):
"""Original: Write Credentials to file.
!!!
Subclassed and Overrided: Write Credentials to file with ENCRYPTION.
!!!
Args:
credentials: Credentials, the credentials to store.
Raises:
CredentialsFileSymbolicLinkError if the file is a symbolic link.
"""
self._create_file_if_needed()
self._validate_file()
# this was 'wb' in python2
f = open(self._filename, 'wb')
encrypted = self.enc.encrypt(self._key, credentials.to_json())
f.write(encrypted)
f.close()
def __init__(self, filename, key):
super(EncryptedStorage, self).__init__(filename)
self.enc = SaltedAESString()
self._key = key