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@darkwave
Created March 12, 2016 22:42
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Python proxy server to redirect calls from localhost to different address (change forward_to variable)
#!/usr/bin/python
# This is a simple port-forward / proxy, written using only the default python
# library. If you want to make a suggestion or fix something you can contact-me
# at voorloop_at_gmail.com
# Distributed over IDC(I Don't Care) license
import socket
import select
import time
import sys
# Changing the buffer_size and delay, you can improve the speed and bandwidth.
# But when buffer get to high or delay go too down, you can broke things
buffer_size = 4096
delay = 0.0001
forward_to = ('172.16.38.191', 12345)
class Forward:
def __init__(self):
self.forward = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
def start(self, host, port):
try:
self.forward.connect((host, port))
return self.forward
except Exception, e:
print e
return False
class TheServer:
input_list = []
channel = {}
def __init__(self, host, port):
self.server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.server.bind((host, port))
self.server.listen(200)
def main_loop(self):
self.input_list.append(self.server)
while 1:
time.sleep(delay)
ss = select.select
inputready, outputready, exceptready = ss(self.input_list, [], [])
for self.s in inputready:
if self.s == self.server:
self.on_accept()
break
self.data = self.s.recv(buffer_size)
if len(self.data) == 0:
self.on_close()
break
else:
self.on_recv()
def on_accept(self):
forward = Forward().start(forward_to[0], forward_to[1])
clientsock, clientaddr = self.server.accept()
if forward:
print clientaddr, "has connected"
self.input_list.append(clientsock)
self.input_list.append(forward)
self.channel[clientsock] = forward
self.channel[forward] = clientsock
else:
print "Can't establish connection with remote server.",
print "Closing connection with client side", clientaddr
clientsock.close()
def on_close(self):
print self.s.getpeername(), "has disconnected"
#remove objects from input_list
self.input_list.remove(self.s)
self.input_list.remove(self.channel[self.s])
out = self.channel[self.s]
# close the connection with client
self.channel[out].close() # equivalent to do self.s.close()
# close the connection with remote server
self.channel[self.s].close()
# delete both objects from channel dict
del self.channel[out]
del self.channel[self.s]
def on_recv(self):
data = self.data
# here we can parse and/or modify the data before send forward
print data
self.channel[self.s].send(data)
if __name__ == '__main__':
server = TheServer('localhost', 12345)
try:
server.main_loop()
except KeyboardInterrupt:
print "Ctrl C - Stopping server"
sys.exit(1)
@marek2901
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How can i make it work with authenticated remote proxy ?

@Thom-x
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Thom-x commented Sep 21, 2017

How can i make it work with authenticated remote proxy ?

That would be great for me too :)

@alkorsan
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Distributed over IDC(I Don't Care) license 👍 :)

@ramonjsi
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Any way to select another destination in run-time?

@westphilm
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How can i make it work with authenticated remote proxy ?

I have done a fork with a proxy with an embedded (basic) authentication module: https://github.com/westphilm/forwardproxy

@unprolix
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Thanks for this! I made a version which transforms a HTTP proxy requiring authentication into one which hides the authentication: https://gitlab.com/athrix/gunya

@blisarces
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How to doing this with Socks proxy?

@0Wall-E
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0Wall-E commented Jan 18, 2024

Why it cant print https request messages?

@Vortexdude
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Vortexdude commented Feb 28, 2024

can this work on redirect the traffic to s3 bucket (public-website) ?

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