#

# Access Control(ACL) Function Usage

#

import sys

import re

impl = sys.implementation.name.lower()

print(impl)

if impl=='cpython':

import asyncio

import cproxy as uproxy

else:

import uasyncio as asyncio

import uproxy

def my_acl(src_ip, src_port, dst_ip, dst_port):

'''

@dst_ip: could be a domain, use

`socket.getaddrinfo()` or

`socket.gethostbyname()`

to translate it to ip.

'''

dst_ip = dst_ip.lower()

# BLOCK ip NOT from lan to lan or localhost

from_lan = re.match(r'192\.168\.1\.\d+', src_ip)!=None

to_lan = re.match(r'192\.168\.1\.\d+', dst_ip)!=None

to_localhost = dst_ip=='127.0.0.1' or dst_ip=='localhost'

if not from_lan and (to_lan or to_localhost):

return False

# BLOCK client ip

if src_ip=='104.91.221.151':

return False

# BLOCK websites

blocklist = ['www.known-phish-site.com', 'www.ads-rendezvous.com']

for dm in blocklist:

return False

# ALLOW all by default

return True

proxy = uproxy.uHTTP(ip='0.0.0.0', port=8765, acl_callback=my_acl)

asyncio.run(proxy.run())