proxyserver.py

# Modified version of https://github.com/techalchemy/python-proxyserver/blob/master/proxyserver.py

# Set these to control bind host and port for tcp server
# Port/host that you will connect to with your client
BIND_HOST, BIND_PORT = "localhost", 9999

# Set these to control where you are connecting to
# Server to send proxied traffic to
HOST, PORT = "www.example.com", 80

from socketserver import BaseRequestHandler, TCPServer
from socket import socket, AF_INET, SOCK_STREAM

class SockHandler(BaseRequestHandler):
    """
    Request Handler for the proxy server.

    Instantiated once time for each connection, and must
    override the handle() method for client communication.
    """

    def handle(self):
        # self.request is the TCP socket connected to the client
        self.data = self.request.recv(1024)
        print("Passing data from: {}".format(self.client_address[0]))
        print(self.data)

        # Create a socket to the localhost server
        sock = socket(AF_INET, SOCK_STREAM)
        # Try to connect to the server and send data
        try:
            sock.connect((HOST, PORT))
            sock.sendall(self.data)
            # Receive data from the server
            while 1:
                received = sock.recv(1024)
                if not received: break
                # Send back received data
                self.request.sendall(received)
        finally:
            sock.close()

if __name__ == '__main__':
    # Create server and bind to set ip
    myserver = TCPServer((BIND_HOST, BIND_PORT), SockHandler)

    # activate the server until it is interrupted with ctrl+c
    myserver.serve_forever()