mirror of
https://github.com/Mayuri-Chan/pyrofork.git
synced 2025-12-29 12:04:51 +00:00
117 lines
3.8 KiB
Python
117 lines
3.8 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
|
|
# Copyright (C) 2017-present Dan <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 asyncio
|
|
import ipaddress
|
|
import logging
|
|
import socket
|
|
import time
|
|
from concurrent.futures import ThreadPoolExecutor
|
|
|
|
import socks
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
class TCP:
|
|
TIMEOUT = 10
|
|
|
|
def __init__(self, ipv6: bool, proxy: dict):
|
|
self.socket = None
|
|
|
|
self.reader = None # type: asyncio.StreamReader
|
|
self.writer = None # type: asyncio.StreamWriter
|
|
|
|
self.lock = asyncio.Lock()
|
|
self.loop = asyncio.get_event_loop()
|
|
|
|
if proxy:
|
|
hostname = proxy.get("hostname")
|
|
|
|
try:
|
|
ip_address = ipaddress.ip_address(hostname)
|
|
except ValueError:
|
|
self.socket = socks.socksocket(socket.AF_INET)
|
|
else:
|
|
if isinstance(ip_address, ipaddress.IPv6Address):
|
|
self.socket = socks.socksocket(socket.AF_INET6)
|
|
else:
|
|
self.socket = socks.socksocket(socket.AF_INET)
|
|
|
|
self.socket.set_proxy(
|
|
proxy_type=getattr(socks, proxy.get("scheme").upper()),
|
|
addr=hostname,
|
|
port=proxy.get("port", None),
|
|
username=proxy.get("username", None),
|
|
password=proxy.get("password", None)
|
|
)
|
|
|
|
log.info("Using proxy %s", hostname)
|
|
else:
|
|
self.socket = socks.socksocket(
|
|
socket.AF_INET6 if ipv6
|
|
else socket.AF_INET
|
|
)
|
|
|
|
self.socket.settimeout(TCP.TIMEOUT)
|
|
|
|
async def connect(self, address: tuple):
|
|
# The socket used by the whole logic is blocking and thus it blocks when connecting.
|
|
# Offload the task to a thread executor to avoid blocking the main event loop.
|
|
with ThreadPoolExecutor(1) as executor:
|
|
await self.loop.run_in_executor(executor, self.socket.connect, address)
|
|
|
|
self.reader, self.writer = await asyncio.open_connection(sock=self.socket)
|
|
|
|
def close(self):
|
|
try:
|
|
self.writer.close()
|
|
except AttributeError:
|
|
try:
|
|
self.socket.shutdown(socket.SHUT_RDWR)
|
|
except OSError:
|
|
pass
|
|
finally:
|
|
# A tiny sleep placed here helps avoiding .recv(n) hanging until the timeout.
|
|
# This is a workaround that seems to fix the occasional delayed stop of a client.
|
|
time.sleep(0.001)
|
|
self.socket.close()
|
|
|
|
async def send(self, data: bytes):
|
|
async with self.lock:
|
|
self.writer.write(data)
|
|
await self.writer.drain()
|
|
|
|
async def recv(self, length: int = 0):
|
|
data = b""
|
|
|
|
while len(data) < length:
|
|
try:
|
|
chunk = await asyncio.wait_for(
|
|
self.reader.read(length - len(data)),
|
|
TCP.TIMEOUT
|
|
)
|
|
except (OSError, asyncio.TimeoutError):
|
|
return None
|
|
else:
|
|
if chunk:
|
|
data += chunk
|
|
else:
|
|
return None
|
|
|
|
return data
|