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use 'zlib.decompressobj' to handle the 'faulty' compression correctly as suggested in https://github.com/ammaraskar/pyCraft/pull/68

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TheSnoozer 2017-08-08 20:29:25 +02:00 committed by joo
parent 0c64623696
commit 7eef61bfde
1 changed files with 4 additions and 2 deletions
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6
minecraft/networking/connection.py
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@ -2,7 +2,7 @@ from __future__ import print_function
from collections import deque from collections import deque
from threading import Lock from threading import Lock
from zlib import decompress import zlib
import threading import threading
import socket import socket
import time import time
@ -437,7 +437,9 @@ class PacketReactor(object):
if self.connection.options.compression_enabled: if self.connection.options.compression_enabled:
decompressed_size = VarInt.read(packet_data) decompressed_size = VarInt.read(packet_data)
if decompressed_size > 0: if decompressed_size > 0:
decompressed_packet = decompress(packet_data.read()) decompressor = zlib.decompressobj()
decompressed_packet = decompressor.decompress(
packet_data.read())
assert len(decompressed_packet) == decompressed_size, \ assert len(decompressed_packet) == decompressed_size, \
'decompressed length %d, but expected %d' % \ 'decompressed length %d, but expected %d' % \
(len(decompressed_packet), decompressed_size) (len(decompressed_packet), decompressed_size)