Add session package
This commit is contained in:
Dan
parent
afcd19a120
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20
pyrogram/session/__init__.py
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20
pyrogram/session/__init__.py
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# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017 Dan Tès <https://github.com/delivrance>
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#
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# This file is part of Pyrogram.
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#
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# Pyrogram is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Pyrogram is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
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from .auth import Auth
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from .session import Session
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246
pyrogram/session/auth.py
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246
pyrogram/session/auth.py
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# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017 Dan Tès <https://github.com/delivrance>
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#
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# This file is part of Pyrogram.
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#
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# Pyrogram is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
|
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# (at your option) any later version.
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#
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# Pyrogram is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
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import logging
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import time
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from hashlib import sha1
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from io import BytesIO
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from os import urandom
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from pyrogram.api import functions, types
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from pyrogram.api.core import Object, Long, Int
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from pyrogram.connection import Connection
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from pyrogram.crypto import IGE, RSA, Prime
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from .internals import MsgId, DataCenter
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log = logging.getLogger(__name__)
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# TODO: When using TCP connection mode, the server may close it at any time, causing the Auth key creation to fail
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# The above is true when dealing with temporary keys, although for perm keys it didn't happened, yet.
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class Auth:
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CURRENT_DH_PRIME = int(
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"C71CAEB9C6B1C9048E6C522F70F13F73980D40238E3E21C14934D037563D930F"
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"48198A0AA7C14058229493D22530F4DBFA336F6E0AC925139543AED44CCE7C37"
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"20FD51F69458705AC68CD4FE6B6B13ABDC9746512969328454F18FAF8C595F64"
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"2477FE96BB2A941D5BCD1D4AC8CC49880708FA9B378E3C4F3A9060BEE67CF9A4"
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"A4A695811051907E162753B56B0F6B410DBA74D8A84B2A14B3144E0EF1284754"
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"FD17ED950D5965B4B9DD46582DB1178D169C6BC465B0D6FF9CA3928FEF5B9AE4"
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"E418FC15E83EBEA0F87FA9FF5EED70050DED2849F47BF959D956850CE929851F"
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"0D8115F635B105EE2E4E15D04B2454BF6F4FADF034B10403119CD8E3B92FCC5B",
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16
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)
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def __init__(self, dc_id: int, test_mode: bool):
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self.dc_id = dc_id
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self.test_mode = test_mode
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self.connection = Connection(DataCenter(dc_id, test_mode))
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self.msg_id = MsgId()
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def pack(self, data: Object) -> bytes:
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return (
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bytes(8)
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+ Long(self.msg_id())
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+ Int(len(data.write()))
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+ data.write()
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)
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@staticmethod
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def unpack(b: BytesIO):
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b.seek(20) # Skip auth_key_id (8), message_id (8) and message_length (4)
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return Object.read(b)
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def send(self, data: Object):
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data = self.pack(data)
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self.connection.send(data)
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response = BytesIO(self.connection.recv())
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return self.unpack(response)
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def create(self):
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"""
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https://core.telegram.org/mtproto/auth_key
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https://core.telegram.org/mtproto/samples-auth_key
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"""
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log.info("Start creating a new auth key on DC{}".format(self.dc_id))
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self.connection.connect()
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# Step 1; Step 2
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nonce = int.from_bytes(urandom(16), "little", signed=True)
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log.debug("Send req_pq: {}".format(nonce))
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res_pq = self.send(functions.ReqPq(nonce))
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log.debug("Got ResPq: {}".format(res_pq.server_nonce))
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# Step 3
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pq = int.from_bytes(res_pq.pq, "big")
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log.debug("Start PQ factorization: {}".format(pq))
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start = time.time()
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g = Prime.decompose(pq)
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p, q = sorted((g, pq // g)) # p < q
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log.debug("Done PQ factorization ({}s): {} {}".format(round(time.time() - start, 3), p, q))
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# Step 4
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server_nonce = res_pq.server_nonce
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new_nonce = int.from_bytes(urandom(32), "little", signed=True)
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data = types.PQInnerData(
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res_pq.pq,
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int.to_bytes(p, 4, "big"),
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int.to_bytes(q, 4, "big"),
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nonce,
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server_nonce,
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new_nonce,
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).write()
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sha = sha1(data).digest()
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padding = urandom(- (len(data) + len(sha)) % 255)
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data_with_hash = sha + data + padding
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encrypted_data = RSA.encrypt(data_with_hash, res_pq.server_public_key_fingerprints[0])
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log.debug("Done encrypt data with RSA")
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# Step 5. TODO: Handle "server_DH_params_fail". Code assumes response is ok
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log.debug("Send req_DH_params")
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server_dh_params = self.send(
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functions.ReqDhParams(
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nonce,
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server_nonce,
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int.to_bytes(p, 4, "big"),
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int.to_bytes(q, 4, "big"),
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res_pq.server_public_key_fingerprints[0],
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encrypted_data
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)
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)
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encrypted_answer = server_dh_params.encrypted_answer
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server_nonce = int.to_bytes(server_nonce, 16, "little", signed=True)
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new_nonce = int.to_bytes(new_nonce, 32, "little", signed=True)
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tmp_aes_key = (
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sha1(new_nonce + server_nonce).digest()
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+ sha1(server_nonce + new_nonce).digest()[:12]
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)
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tmp_aes_iv = (
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sha1(server_nonce + new_nonce).digest()[12:]
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+ sha1(new_nonce + new_nonce).digest() + new_nonce[:4]
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)
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server_nonce = int.from_bytes(server_nonce, "little", signed=True)
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answer_with_hash = IGE.decrypt(encrypted_answer, tmp_aes_key, tmp_aes_iv)
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answer = answer_with_hash[20:]
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server_dh_inner_data = Object.read(BytesIO(answer))
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log.debug("Done decrypting answer")
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dh_prime = int.from_bytes(server_dh_inner_data.dh_prime, "big")
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delta_time = server_dh_inner_data.server_time - time.time()
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log.debug("Delta time: {}".format(round(delta_time, 3)))
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# Step 6
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g = server_dh_inner_data.g
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b = int.from_bytes(urandom(256), "big")
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g_b = int.to_bytes(pow(g, b, dh_prime), 256, "big")
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retry_id = 0
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data = types.ClientDhInnerData(
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nonce,
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server_nonce,
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retry_id,
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g_b
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).write()
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sha = sha1(data).digest()
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padding = urandom(- (len(data) + len(sha)) % 16)
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data_with_hash = sha + data + padding
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encrypted_data = IGE.encrypt(data_with_hash, tmp_aes_key, tmp_aes_iv)
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log.debug("Send set_client_DH_params")
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set_client_dh_params_answer = self.send(
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functions.SetClientDhParams(
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nonce,
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server_nonce,
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encrypted_data
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)
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)
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# TODO: Handle "auth_key_aux_hash" if the previous step fails
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# Step 7; Step 8
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g_a = int.from_bytes(server_dh_inner_data.g_a, "big")
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auth_key = int.to_bytes(pow(g_a, b, dh_prime), 256, "big")
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server_nonce = int.to_bytes(server_nonce, 16, "little", signed=True)
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# TODO: Handle errors
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#######################
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# Security checks
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#######################
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assert dh_prime == self.CURRENT_DH_PRIME
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log.debug("DH parameters check: OK")
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# https://core.telegram.org/mtproto/security_guidelines#g-a-and-g-b-validation
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g_b = int.from_bytes(g_b, "big")
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assert 1 < g < dh_prime - 1
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assert 1 < g_a < dh_prime - 1
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assert 1 < g_b < dh_prime - 1
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assert 2 ** (2048 - 64) < g_a < dh_prime - 2 ** (2048 - 64)
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assert 2 ** (2048 - 64) < g_b < dh_prime - 2 ** (2048 - 64)
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log.debug("g_a and g_b validation: OK")
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# https://core.telegram.org/mtproto/security_guidelines#checking-sha1-hash-values
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answer = server_dh_inner_data.write() # Call .write() to remove padding
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assert answer_with_hash[:20] == sha1(answer).digest()
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log.debug("SHA1 hash values check: OK")
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# https://core.telegram.org/mtproto/security_guidelines#checking-nonce-server-nonce-and-new-nonce-fields
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# 1st message
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assert nonce == res_pq.nonce
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# 2nd message
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server_nonce = int.from_bytes(server_nonce, "little", signed=True)
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assert nonce == server_dh_params.nonce
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assert server_nonce == server_dh_params.server_nonce
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# 3rd message
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assert nonce == set_client_dh_params_answer.nonce
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assert server_nonce == set_client_dh_params_answer.server_nonce
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server_nonce = int.to_bytes(server_nonce, 16, "little", signed=True)
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log.debug("Nonce fields check: OK")
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# Step 9
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server_salt = IGE.xor(new_nonce[:8], server_nonce[:8])
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log.debug("Server salt: {}".format(int.from_bytes(server_salt, "little")))
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log.info(
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"Done auth key exchange: {}".format(
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set_client_dh_params_answer.__class__.__name__
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)
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)
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self.connection.close()
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return auth_key
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21
pyrogram/session/internals/__init__.py
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21
pyrogram/session/internals/__init__.py
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# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017 Dan Tès <https://github.com/delivrance>
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#
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# This file is part of Pyrogram.
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#
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# Pyrogram is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Pyrogram is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
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from .data_center import DataCenter
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from .msg_factory import MsgFactory
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from .msg_id import MsgId
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36
pyrogram/session/internals/data_center.py
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36
pyrogram/session/internals/data_center.py
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# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017 Dan Tès <https://github.com/delivrance>
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#
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# This file is part of Pyrogram.
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#
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# Pyrogram is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Pyrogram is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
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class DataCenter:
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TEST = {
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1: "149.154.175.10",
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2: "149.154.167.40",
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3: "149.154.175.117",
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}
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PROD = {
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1: "149.154.175.50",
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2: "149.154.167.51",
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3: "149.154.175.100",
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4: "149.154.167.91",
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5: "91.108.56.149"
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}
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def __new__(cls, dc_id: int, test_mode: bool):
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return cls.TEST[dc_id] if test_mode else cls.PROD[dc_id]
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39
pyrogram/session/internals/msg_factory.py
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39
pyrogram/session/internals/msg_factory.py
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# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017 Dan Tès <https://github.com/delivrance>
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#
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# This file is part of Pyrogram.
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#
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# Pyrogram is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
|
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# by the Free Software Foundation, either version 3 of the License, or
|
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# (at your option) any later version.
|
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#
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# Pyrogram is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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# GNU Lesser General Public License for more details.
|
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#
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# You should have received a copy of the GNU Lesser General Public License
|
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# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
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from pyrogram.api.core import Message, MsgContainer, Object
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from pyrogram.api.functions import Ping, HttpWait
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from pyrogram.api.types import MsgsAck
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from .msg_id import MsgId
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from .seq_no import SeqNo
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not_content_related = [Ping, HttpWait, MsgsAck, MsgContainer]
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class MsgFactory:
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def __init__(self, msg_id: MsgId):
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self.msg_id = msg_id
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self.seq_no = SeqNo()
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def __call__(self, body: Object) -> Message:
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return Message(
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body,
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self.msg_id(),
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self.seq_no(type(body) not in not_content_related),
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len(body)
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)
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34
pyrogram/session/internals/msg_id.py
Normal file
34
pyrogram/session/internals/msg_id.py
Normal file
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# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017 Dan Tès <https://github.com/delivrance>
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#
|
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# This file is part of Pyrogram.
|
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#
|
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# Pyrogram is free software: you can redistribute it and/or modify
|
||||
# it under the terms of the GNU Lesser General Public License as published
|
||||
# by the Free Software Foundation, either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# Pyrogram is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU Lesser General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU Lesser General Public License
|
||||
# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
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from time import time
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class MsgId:
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def __init__(self, delta_time: float = 0.0):
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self.delta_time = delta_time
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self.last_time = 0
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self.offset = 0
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def __call__(self) -> int:
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now = time()
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self.offset = self.offset + 4 if now == self.last_time else 0
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msg_id = int((now + self.delta_time) * 2 ** 32) + self.offset
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self.last_time = now
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return msg_id
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30
pyrogram/session/internals/seq_no.py
Normal file
30
pyrogram/session/internals/seq_no.py
Normal file
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# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017 Dan Tès <https://github.com/delivrance>
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#
|
||||
# This file is part of Pyrogram.
|
||||
#
|
||||
# Pyrogram is free software: you can redistribute it and/or modify
|
||||
# it under the terms of the GNU Lesser General Public License as published
|
||||
# by the Free Software Foundation, either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# Pyrogram is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU Lesser General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU Lesser General Public License
|
||||
# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
|
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||||
class SeqNo:
|
||||
def __init__(self):
|
||||
self.content_related_messages_sent = 0
|
||||
|
||||
def __call__(self, is_content_related: bool) -> int:
|
||||
seq_no = (self.content_related_messages_sent * 2) + (1 if is_content_related else 0)
|
||||
|
||||
if is_content_related:
|
||||
self.content_related_messages_sent += 1
|
||||
|
||||
return seq_no
|
||||
382
pyrogram/session/session.py
Normal file
382
pyrogram/session/session.py
Normal file
@ -0,0 +1,382 @@
|
||||
# Pyrogram - Telegram MTProto API Client Library for Python
|
||||
# Copyright (C) 2017 Dan Tès <https://github.com/delivrance>
|
||||
#
|
||||
# This file is part of Pyrogram.
|
||||
#
|
||||
# Pyrogram is free software: you can redistribute it and/or modify
|
||||
# it under the terms of the GNU Lesser General Public License as published
|
||||
# by the Free Software Foundation, either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# Pyrogram is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU Lesser General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU Lesser General Public License
|
||||
# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
import logging
|
||||
import platform
|
||||
import threading
|
||||
from datetime import timedelta, datetime
|
||||
from hashlib import sha1
|
||||
from io import BytesIO
|
||||
from os import urandom
|
||||
from queue import Queue
|
||||
from threading import Event, Thread
|
||||
|
||||
from pyrogram import __copyright__, __license__, __version__
|
||||
from pyrogram.api import functions, types, core
|
||||
from pyrogram.api.all import layer
|
||||
from pyrogram.api.core import Message, Object, MsgContainer, Long, FutureSalt
|
||||
from pyrogram.api.errors import Error
|
||||
from pyrogram.connection import Connection
|
||||
from pyrogram.crypto import IGE, KDF
|
||||
from .internals import MsgId, MsgFactory, DataCenter
|
||||
|
||||
log = logging.getLogger(__name__)
|
||||
|
||||
|
||||
class Result:
|
||||
def __init__(self):
|
||||
self.value = None
|
||||
self.event = Event()
|
||||
|
||||
|
||||
class Session:
|
||||
VERSION = __version__
|
||||
APP_VERSION = "Pyrogram \U0001f525 {}".format(VERSION)
|
||||
|
||||
DEVICE_MODEL = "{} {}".format(
|
||||
platform.python_implementation(),
|
||||
platform.python_version()
|
||||
)
|
||||
|
||||
SYSTEM_VERSION = "{} {}".format(
|
||||
platform.system(),
|
||||
platform.release()
|
||||
)
|
||||
|
||||
INITIAL_SALT = 0x616e67656c696361
|
||||
|
||||
WORKERS = 4
|
||||
WAIT_TIMEOUT = 5
|
||||
MAX_RETRIES = 5
|
||||
ACKS_THRESHOLD = 8
|
||||
PING_INTERVAL = 5
|
||||
|
||||
def __init__(self, dc_id: int, test_mode: bool, auth_key: bytes, api_id: str):
|
||||
print("Pyrogram v{}, {}".format(__version__, __copyright__))
|
||||
print("Licensed under the terms of the " + __license__)
|
||||
|
||||
self.connection = Connection(DataCenter(dc_id, test_mode))
|
||||
|
||||
self.api_id = api_id
|
||||
|
||||
self.auth_key = auth_key
|
||||
self.auth_key_id = sha1(auth_key).digest()[-8:]
|
||||
|
||||
self.msg_id = MsgId()
|
||||
self.session_id = Long(self.msg_id())
|
||||
self.msg_factory = MsgFactory(self.msg_id)
|
||||
|
||||
self.current_salt = None
|
||||
|
||||
self.pending_acks = set()
|
||||
|
||||
self.recv_queue = Queue()
|
||||
self.results = {}
|
||||
|
||||
self.ping_thread = None
|
||||
self.ping_thread_event = Event()
|
||||
|
||||
self.next_salt_thread = None
|
||||
self.next_salt_thread_event = Event()
|
||||
|
||||
self.is_connected = Event()
|
||||
|
||||
self.total_connections = 0
|
||||
self.total_messages = 0
|
||||
self.total_bytes = 0
|
||||
|
||||
def start(self):
|
||||
while True:
|
||||
try:
|
||||
self.connection.connect()
|
||||
|
||||
for i in range(self.WORKERS):
|
||||
Thread(target=self.worker, name="Worker#{}".format(i + 1)).start()
|
||||
|
||||
Thread(target=self.recv, name="RecvThread").start()
|
||||
|
||||
self.current_salt = FutureSalt(0, 0, self.INITIAL_SALT)
|
||||
self.current_salt = FutureSalt(0, 0, self._send(functions.Ping(0)).new_server_salt)
|
||||
self.current_salt = self._send(functions.GetFutureSalts(1)).salts[0]
|
||||
|
||||
if self.next_salt_thread is not None:
|
||||
self.next_salt_thread.join()
|
||||
|
||||
self.next_salt_thread_event.clear()
|
||||
|
||||
self.next_salt_thread = Thread(target=self.next_salt, name="NextSaltThread")
|
||||
self.next_salt_thread.start()
|
||||
|
||||
terms = self._send(
|
||||
functions.InvokeWithLayer(
|
||||
layer,
|
||||
functions.InitConnection(
|
||||
self.api_id,
|
||||
self.DEVICE_MODEL,
|
||||
self.SYSTEM_VERSION,
|
||||
self.APP_VERSION,
|
||||
"en", "", "en",
|
||||
functions.help.GetTermsOfService(),
|
||||
)
|
||||
)
|
||||
)
|
||||
|
||||
if self.ping_thread is not None:
|
||||
self.ping_thread.join()
|
||||
|
||||
self.ping_thread_event.clear()
|
||||
|
||||
self.ping_thread = Thread(target=self.ping, name="PingThread")
|
||||
self.ping_thread.start()
|
||||
|
||||
log.info("Connection inited: Layer {}".format(layer))
|
||||
except (OSError, TimeoutError):
|
||||
self.stop()
|
||||
else:
|
||||
break
|
||||
|
||||
self.is_connected.set()
|
||||
self.total_connections += 1
|
||||
|
||||
log.debug("Session started")
|
||||
|
||||
return terms.text
|
||||
|
||||
def stop(self):
|
||||
self.is_connected.clear()
|
||||
self.ping_thread_event.set()
|
||||
self.next_salt_thread_event.set()
|
||||
self.connection.close()
|
||||
|
||||
for i in range(self.WORKERS):
|
||||
self.recv_queue.put(None)
|
||||
|
||||
log.debug("Session stopped")
|
||||
|
||||
def restart(self):
|
||||
self.stop()
|
||||
self.start()
|
||||
|
||||
def pack(self, message: Message) -> bytes:
|
||||
data = Long(self.current_salt.salt) + self.session_id + message.write()
|
||||
msg_key = sha1(data).digest()[-16:]
|
||||
aes_key, aes_iv = KDF(self.auth_key, msg_key, True)
|
||||
padding = urandom(-len(data) % 16)
|
||||
|
||||
return self.auth_key_id + msg_key + IGE.encrypt(data + padding, aes_key, aes_iv)
|
||||
|
||||
def unpack(self, b: BytesIO) -> Message:
|
||||
assert b.read(8) == self.auth_key_id, b.getvalue()
|
||||
|
||||
msg_key = b.read(16)
|
||||
aes_key, aes_iv = KDF(self.auth_key, msg_key, False)
|
||||
data = BytesIO(IGE.decrypt(b.read(), aes_key, aes_iv))
|
||||
data.read(8) # Server salt
|
||||
|
||||
# https://core.telegram.org/mtproto/security_guidelines#checking-session-id
|
||||
assert data.read(8) == self.session_id
|
||||
|
||||
message = Message.read(data)
|
||||
|
||||
# https://core.telegram.org/mtproto/security_guidelines#checking-sha1-hash-value-of-msg-key
|
||||
# https://core.telegram.org/mtproto/security_guidelines#checking-message-length
|
||||
# 32 = salt (8) + session_id (8) + msg_id (8) + seq_no (4) + length (4)
|
||||
assert msg_key == sha1(data.getvalue()[:32 + message.length]).digest()[-16:]
|
||||
|
||||
# https://core.telegram.org/mtproto/security_guidelines#checking-msg-id
|
||||
# TODO: check for lower msg_ids
|
||||
assert message.msg_id % 2 != 0
|
||||
|
||||
return message
|
||||
|
||||
def worker(self):
|
||||
name = threading.current_thread().name
|
||||
log.debug("{} started".format(name))
|
||||
|
||||
while True:
|
||||
packet = self.recv_queue.get()
|
||||
|
||||
if packet is None:
|
||||
break
|
||||
|
||||
try:
|
||||
self.unpack_dispatch_and_ack(packet)
|
||||
except Exception as e:
|
||||
log.error(e, exc_info=True)
|
||||
|
||||
log.debug("{} stopped".format(name))
|
||||
|
||||
def unpack_dispatch_and_ack(self, packet: bytes):
|
||||
# TODO: A better dispatcher
|
||||
data = self.unpack(BytesIO(packet))
|
||||
|
||||
messages = (
|
||||
data.body.messages
|
||||
if isinstance(data.body, MsgContainer)
|
||||
else [data]
|
||||
)
|
||||
|
||||
log.debug(data)
|
||||
|
||||
self.total_bytes += len(packet)
|
||||
self.total_messages += len(messages)
|
||||
|
||||
for i in messages:
|
||||
if i.seq_no % 2 != 0:
|
||||
self.pending_acks.add(i.msg_id)
|
||||
|
||||
# log.debug("{}".format(type(i.body)))
|
||||
|
||||
if isinstance(i.body, (types.MsgDetailedInfo, types.MsgNewDetailedInfo)):
|
||||
self.pending_acks.add(i.body.answer_msg_id)
|
||||
continue
|
||||
|
||||
msg_id = None
|
||||
|
||||
if isinstance(i.body, (types.BadMsgNotification, types.BadServerSalt)):
|
||||
msg_id = i.body.bad_msg_id
|
||||
|
||||
elif isinstance(i.body, types.RpcResult):
|
||||
msg_id = i.body.req_msg_id
|
||||
|
||||
elif isinstance(i.body, types.Pong):
|
||||
msg_id = i.body.msg_id
|
||||
|
||||
elif isinstance(i.body, core.FutureSalts):
|
||||
msg_id = i.body.req_msg_id
|
||||
|
||||
if msg_id in self.results:
|
||||
self.results[msg_id].value = getattr(i.body, "result", i.body)
|
||||
self.results[msg_id].event.set()
|
||||
|
||||
# print(
|
||||
# "This packet bytes: ({}) | Total bytes: ({})\n"
|
||||
# "This packet messages: ({}) | Total messages: ({})\n"
|
||||
# "Total connections: ({})".format(
|
||||
# len(packet), self.total_bytes, len(messages), self.total_messages, self.total_connections
|
||||
# )
|
||||
# )
|
||||
|
||||
if len(self.pending_acks) >= self.ACKS_THRESHOLD:
|
||||
log.warning("Send {} acks".format(len(self.pending_acks)))
|
||||
|
||||
try:
|
||||
self._send(types.MsgsAck(list(self.pending_acks)), False)
|
||||
except (OSError, TimeoutError):
|
||||
pass
|
||||
else:
|
||||
self.pending_acks.clear()
|
||||
|
||||
def ping(self):
|
||||
log.debug("PingThread started")
|
||||
|
||||
while True:
|
||||
self.ping_thread_event.wait(self.PING_INTERVAL)
|
||||
|
||||
if self.ping_thread_event.is_set():
|
||||
break
|
||||
|
||||
try:
|
||||
self._send(functions.Ping(0), False)
|
||||
except (OSError, TimeoutError):
|
||||
pass
|
||||
|
||||
log.debug("PingThread stopped")
|
||||
|
||||
def next_salt(self):
|
||||
log.debug("NextSaltThread started")
|
||||
|
||||
while True:
|
||||
now = datetime.now()
|
||||
|
||||
# Seconds to wait until middle-overlap, which is
|
||||
# 15 minutes before/after the current/next salt end/start time
|
||||
dt = (self.current_salt.valid_until - now).total_seconds() - 900
|
||||
|
||||
log.debug("Current salt: {} | Next salt in {:.0f}m {:.0f}s ({})".format(
|
||||
self.current_salt.salt,
|
||||
dt // 60,
|
||||
dt % 60,
|
||||
now + timedelta(seconds=dt)
|
||||
))
|
||||
|
||||
self.next_salt_thread_event.wait(dt)
|
||||
|
||||
if self.next_salt_thread_event.is_set():
|
||||
break
|
||||
|
||||
try:
|
||||
self.current_salt = self._send(functions.GetFutureSalts(1)).salts[0]
|
||||
except (OSError, TimeoutError):
|
||||
self.connection.close()
|
||||
break
|
||||
|
||||
log.debug("NextSaltThread stopped")
|
||||
|
||||
def recv(self):
|
||||
log.debug("RecvThread started")
|
||||
|
||||
while True:
|
||||
packet = self.connection.recv()
|
||||
|
||||
if packet is None:
|
||||
if self.is_connected.is_set():
|
||||
Thread(target=self.restart, name="RestartThread").start()
|
||||
break
|
||||
|
||||
self.recv_queue.put(packet)
|
||||
|
||||
log.debug("RecvThread stopped")
|
||||
|
||||
def _send(self, data: Object, wait_response: bool = True):
|
||||
message = self.msg_factory(data)
|
||||
msg_id = message.msg_id
|
||||
|
||||
if wait_response:
|
||||
self.results[msg_id] = Result()
|
||||
|
||||
payload = self.pack(message)
|
||||
|
||||
try:
|
||||
self.connection.send(payload)
|
||||
except OSError as e:
|
||||
self.results.pop(msg_id, None)
|
||||
raise e
|
||||
|
||||
if wait_response:
|
||||
self.results[msg_id].event.wait(self.WAIT_TIMEOUT)
|
||||
result = self.results.pop(msg_id).value
|
||||
|
||||
if result is None:
|
||||
raise TimeoutError
|
||||
elif isinstance(result, types.RpcError):
|
||||
Error.raise_it(result, type(data))
|
||||
else:
|
||||
return result
|
||||
|
||||
def send(self, data: Object):
|
||||
for i in range(self.MAX_RETRIES):
|
||||
self.is_connected.wait()
|
||||
|
||||
try:
|
||||
return self._send(data)
|
||||
except (OSError, TimeoutError):
|
||||
log.debug("Retrying {}".format(type(data)))
|
||||
continue
|
||||
else:
|
||||
return None
|
||||
Loading…
Reference in New Issue
Block a user