|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
from datetime import datetime |
|
|
import argparse |
|
|
import selectors |
|
|
import ssl |
|
|
import socket |
|
|
import socketserver |
|
|
|
|
|
|
|
|
class Proxy(socketserver.ThreadingTCPServer): |
|
|
allow_reuse_address = True |
|
|
|
|
|
def __init__(self, proxy_host, proxy_port, real_host, real_port, use_ssl): |
|
|
self.real_host = real_host |
|
|
self.real_port = real_port |
|
|
self.use_ssl = use_ssl |
|
|
super().__init__((proxy_host, proxy_port), RequestHandler) |
|
|
|
|
|
|
|
|
class RequestHandler(socketserver.BaseRequestHandler): |
|
|
|
|
|
def handle(self): |
|
|
print('{} - {} CONNECTED.'.format(datetime.now(), self.client_address)) |
|
|
|
|
|
total = 0 |
|
|
real_server = (self.server.real_host, self.server.real_port) |
|
|
with socket.create_connection(real_server) as sock: |
|
|
if self.server.use_ssl: |
|
|
context = ssl.create_default_context() |
|
|
sock = context.wrap_socket( |
|
|
sock, server_hostname=real_server[0]) |
|
|
|
|
|
forward = {self.request: sock, sock: self.request} |
|
|
|
|
|
sel = selectors.DefaultSelector() |
|
|
sel.register(self.request, selectors.EVENT_READ, |
|
|
self.client_address) |
|
|
sel.register(sock, selectors.EVENT_READ, real_server) |
|
|
|
|
|
active = True |
|
|
while active: |
|
|
events = sel.select() |
|
|
for key, mask in events: |
|
|
print('\n{} - {} wrote:'.format(datetime.now(), key.data)) |
|
|
data = key.fileobj.recv(1024) |
|
|
received = len(data) |
|
|
total += received |
|
|
print(data) |
|
|
print('{} Bytes\nTotal: {} Bytes'.format(received, total)) |
|
|
if data: |
|
|
forward[key.fileobj].sendall(data) |
|
|
else: |
|
|
print('\nCLOSING CONNECTION.\n\n') |
|
|
forward[key.fileobj].close() |
|
|
key.fileobj.close() |
|
|
active = False |
|
|
|
|
|
|
|
|
if __name__ == '__main__': |
|
|
p = argparse.ArgumentParser(description='Simple Python Proxy') |
|
|
p.add_argument( |
|
|
"proxy_port", help="the port where the proxy will listen", type=int) |
|
|
p.add_argument('host', help="the real host") |
|
|
p.add_argument('port', help="the port of the real host", type=int) |
|
|
p.add_argument("--ssl", help="use ssl to connect to the real host", |
|
|
action="store_true") |
|
|
args = p.parse_args() |
|
|
|
|
|
with Proxy('', args.proxy_port, args.host, args.port, args.ssl) as proxy: |
|
|
proxy.serve_forever() |
|
|
|
