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Remove broken packet length check

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Lonami Exo 2018-05-07 17:05:27 +02:00
parent 97f3dd809b
commit fe299cc6cc
1 changed files with 0 additions and 20 deletions
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20
telethon/network/connection.py
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@ -185,26 +185,6 @@ class Connection:
# by asyncio? # by asyncio?
packet_len_seq = await self.read(8) # 4 and 4 packet_len_seq = await self.read(8) # 4 and 4
packet_len, seq = struct.unpack('<ii', packet_len_seq) packet_len, seq = struct.unpack('<ii', packet_len_seq)
# Sometimes Telegram seems to send a packet length of 0 (12)
# and after that, just a single byte. Not sure what this is.
# TODO Figure out what this is, and if there's a better fix.
if packet_len <= 12:
__log__.error('Read invalid packet length %d, '
'reading data left:', packet_len)
data = b''
try:
while True:
data += await self.read(1)
except TimeoutError:
pass
finally:
__log__.error(repr(data))
# Connection reset and hope it's fixed after
self.conn.close()
raise ConnectionResetError()
body = await self.read(packet_len - 12) body = await self.read(packet_len - 12)
checksum = struct.unpack('<I', await self.read(4))[0] checksum = struct.unpack('<I', await self.read(4))[0]