def DeserializeBody(self, stream):
# Read values.
try:
self.Salt = BinaryStructs.DeserializeBinary(stream, maxlen=16)
self.Challenge = BinaryStructs.DeserializeBinary(stream, maxlen=32)
except BinaryStructs.EndOfFile:
raise IncompletePacket
def DeserializeBody(self, stream):
# Read data.
try:
self.RequestSerial = BinaryStructs.DeserializeUint32(stream)
self.Username = BinaryStructs.DeserializeUTF8(stream, maxlen=32)
self.Salt = BinaryStructs.DeserializeBinary(stream, maxlen=16)
self.PasswordHash = BinaryStructs.DeserializeBinary(stream, 64)
self.Email = BinaryStructs.DeserializeUTF8(stream, maxlen=64)
except BinaryStructs.EndOfFile:
raise IncompletePacket
def Decompress(self, stream):
'''
Attempts to decompress a chunk of data.
@raise IncompletePacket: Raised if there is not enough data.
@raise CorruptPacket: Raised if the data is corrupt.
@return: Decompressed chunk of data.
'''
# Try to deserialize the data from the stream.
try:
data = BinaryStructs.DeserializeBinary(stream,
maxlen=MaxCompressedSize)
except BinaryStructs.EndOfFile:
raise IncompletePacket
# Attempt to decompress the data
try:
decompressed = zlib.decompress(data)
except:
# bad data
raise CorruptPacket
# Return the data.
return decompressed
def DeserializeBody(self, stream):
# Read data.
try:
self.RequestSerial = BinaryStructs.DeserializeUint32(stream)
self.ChallengeSolution = BinaryStructs.DeserializeBinary(stream,
maxlen=32)
except BinaryStructs.EndOfFile:
raise IncompletePacket