proxy.py/examples/ssl_echo_server.py

67 lines
1.9 KiB
Python

# -*- coding: utf-8 -*-
"""
proxy.py
~~~~~~~~
⚡⚡⚡ Fast, Lightweight, Pluggable, TLS interception capable proxy server focused on
Network monitoring, controls & Application development, testing, debugging.
:copyright: (c) 2013-present by Abhinav Singh and contributors.
:license: BSD, see LICENSE for more details.
"""
import time
from typing import Any, Optional
from proxy import Proxy
from proxy.core.base import BaseTcpServerHandler
from proxy.common.utils import wrap_socket
from proxy.core.connection import TcpClientConnection
class EchoSSLServerHandler(BaseTcpServerHandler[TcpClientConnection]):
"""Wraps client socket during initialization."""
@staticmethod
def create(*args: Any) -> TcpClientConnection: # pragma: no cover
return TcpClientConnection(*args)
def initialize(self) -> None:
# Acceptors don't perform TLS handshake. Perform the same
# here using wrap_socket() utility.
assert self.flags.keyfile is not None and self.flags.certfile is not None
conn = wrap_socket(
self.work.connection,
self.flags.keyfile,
self.flags.certfile,
)
conn.setblocking(False)
# Upgrade plain TcpClientConnection to SSL connection object
self.work = TcpClientConnection(
conn=conn, addr=self.work.addr,
)
def handle_data(self, data: memoryview) -> Optional[bool]:
# echo back to client
self.work.queue(data)
return None
def main() -> None:
# This example requires `threadless=True`
with Proxy(
work_klass=EchoSSLServerHandler,
threadless=True,
num_workers=1,
port=12345,
key_file='https-key.pem',
cert_file='https-signed-cert.pem',
):
try:
while True:
time.sleep(1)
except KeyboardInterrupt:
pass
if __name__ == '__main__':
main()