fix #23; protocol_version=65579 and gzip decomp

steam/client/__init__.py

@@ -351,7 +351,7 @@ class SteamClient(EventEmitter, FeatureBase):
 
         message = MsgProto(EMsg.ClientLogon)
         message.header.steamid = SteamID(type='Individual', universe='Public')
-        message.body.protocol_version = 65575
+        message.body.protocol_version = 65579
         message.body.client_package_version = 1771
         message.body.client_os_type = EOSType.Win10
         message.body.client_language = "english"

steam/core/cm.py

@@ -1,7 +1,7 @@
 import struct
 import binascii
 import logging
-import zipfile
+from gzip import GzipFile
 from time import time
 from collections import defaultdict
 
@@ -290,7 +290,8 @@ class CMClient(EventEmitter):
         if msg.body.size_unzipped:
             logger.debug("Unzipping body")
 
-            data = zipfile.ZipFile(BytesIO(msg.body.message_body)).read('z')
+            with GzipFile(fileobj=BytesIO(msg.body.message_body)) as f:
+                data = f.read()
 
             if len(data) != msg.body.size_unzipped:
                 logger.fatal("Unzipped size mismatch")