LonamiWebs/Telethon
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Fix bug introduced in #d08794 found by @k1-hedayati

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This commit is contained in:
Lonami Exo 2017-01-13 21:22:53 +01:00
parent a5bd740b10
commit 8e48455cdc
3 changed files with 17 additions and 16 deletions
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1
telethon/network/authenticator.py
View File

@ -124,6 +124,7 @@ def do_authentication(transport):
g, dh_prime, ga, time_offset = None, None, None, None
with BinaryReader(plain_text_answer) as dh_inner_data_reader:
dh_inner_data_reader.read(20) # hashsum
code = dh_inner_data_reader.read_int(signed=False)
if code != 0xb5890dba:
raise AssertionError('Invalid DH Inner Data code: {}'.format(code))

4
telethon/network/mtproto_plain_sender.py
View File

@ -28,8 +28,8 @@ class MtProtoPlainSender:
"""Receives a plain packet, returning the body of the response"""
seq, body = self._transport.receive()
with BinaryReader(body) as reader:
auth_key_id = reader.read_long()
msg_id = reader.read_long()
reader.read_long() # auth_key_id
reader.read_long() # msg_id
message_length = reader.read_int()
response = reader.read(message_length)

28
telethon/network/mtproto_sender.py
View File

@ -168,7 +168,7 @@ class MtProtoSender:
raise BufferError("Can't decode packet ({})".format(body))
# TODO Check for both auth key ID and msg_key correctness
remote_auth_key_id = reader.read_long()
reader.read_long() # remote_auth_key_id
msg_key = reader.read(16)
key, iv = utils.calc_key(self.session.auth_key.key, msg_key, False)
@ -176,8 +176,8 @@ class MtProtoSender:
reader.read(len(body) - reader.tell_position()), key, iv)
with BinaryReader(plain_text) as plain_text_reader:
remote_salt = plain_text_reader.read_long()
remote_session_id = plain_text_reader.read_long()
plain_text_reader.read_long() # remote_salt
plain_text_reader.read_long() # remote_session_id
remote_msg_id = plain_text_reader.read_long()
remote_sequence = plain_text_reader.read_int()
msg_len = plain_text_reader.read_int()
@ -236,11 +236,11 @@ class MtProtoSender:
return False
def handle_container(self, msg_id, sequence, reader, request):
code = reader.read_int(signed=False)
reader.read_int(signed=False) # code
size = reader.read_int()
for _ in range(size):
inner_msg_id = reader.read_long(signed=False)
inner_sequence = reader.read_int()
reader.read_int() # inner_sequence
inner_length = reader.read_int()
begin_position = reader.tell_position()
@ -250,10 +250,10 @@ class MtProtoSender:
return False
def handle_bad_server_salt(self, msg_id, sequence, reader, request):
code = reader.read_int(signed=False)
bad_msg_id = reader.read_long(signed=False)
bad_msg_seq_no = reader.read_int()
error_code = reader.read_int()
reader.read_int(signed=False) # code
reader.read_long(signed=False) # bad_msg_id
reader.read_int() # bad_msg_seq_no
reader.read_int() # error_code
new_salt = reader.read_long(signed=False)
self.session.salt = new_salt
@ -268,15 +268,15 @@ class MtProtoSender:
return True
def handle_bad_msg_notification(self, msg_id, sequence, reader):
code = reader.read_int(signed=False)
request_id = reader.read_long(signed=False)
request_sequence = reader.read_int()
reader.read_int(signed=False) # code
reader.read_long(signed=False) # request_id
reader.read_int() # request_sequence
error_code = reader.read_int()
raise BadMessageError(error_code)
def handle_rpc_result(self, msg_id, sequence, reader, request):
code = reader.read_int(signed=False)
reader.read_int(signed=False) # code
request_id = reader.read_long(signed=False)
inner_code = reader.read_int(signed=False)
@ -317,7 +317,7 @@ class MtProtoSender:
request.on_response(reader)
def handle_gzip_packed(self, msg_id, sequence, reader, request):
code = reader.read_int(signed=False)
reader.read_int(signed=False) # code
packed_data = reader.tgread_bytes()
unpacked_data = gzip.decompress(packed_data)