Allow updating AuthKey.key

This will preserve references to the AuthKey more cleanly.
This commit is contained in:
Lonami Exo 2018-10-19 12:40:36 +02:00
parent 6d30a38316
commit 83f60deef9

View File

@ -20,7 +20,18 @@ class AuthKey:
"""
self.key = data
with BinaryReader(sha1(self.key).digest()) as reader:
@property
def key(self):
return self._key
@key.setter
def key(self, value):
if not value:
self._key = self.aux_hash = self.key_id = None
return
self._key = value
with BinaryReader(sha1(self._key).digest()) as reader:
self.aux_hash = reader.read_long(signed=False)
reader.read(4)
self.key_id = reader.read_long(signed=False)
@ -39,5 +50,8 @@ class AuthKey:
# Calculates the message key from the given data
return int.from_bytes(sha1(data).digest()[4:20], 'little', signed=True)
def __bool__(self):
return bool(self._key)
def __eq__(self, other):
return isinstance(other, type(self)) and other.key == self.key
return isinstance(other, type(self)) and other.key == self._key