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import socket
import threading
BUFFER_SIZE = 4096
LOCAL_HOST = '127.0.0.1'
LOCAL_PORT = 9999
def handle_client(client_socket):
request = client_socket.recv(BUFFER_SIZE)
print(f'Received request: {request}')
request_line = request.split(b'\n')[0]
url = request_line.split(b' ')[1]
http_pos = url.find(b'://')
if http_pos == -1:
temp = url
else:
temp = url[(http_pos + 3):]
port_pos = temp.find(b':')
server_pos = temp.find(b'/')
if server_pos == -1:
server_pos = len(temp)
server = ""
port = -1
if port_pos == -1 or server_pos < port_pos:
port = 80
server = temp[:server_port]
else:
port = int((temp[(port_pos +1):])[:server_pos - port_pos - 1])
server = temp[:port_pos]
print(f'Connecting to {server.decode("utf-8")} on port {port}')
try:
proxy_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
proxy_socket.connect((server, port))
proxy_socket.send(request)
while True:
data = proxy_socket.recv(BUFFER_SIZE)
if not data:
break
client_socket.send(data)
proxy_socket.close()
client_socket.close()
except Exception as e:
print(f'Error: {e}')
proxy_socket.close()
client_socket.close()
def start_server():
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.bind((LOCAL_HOST, LOCAL_PORT))
server.listen(5)
print(f'[*] Listening on {LOCAL_HOST}:{LOCAL_PORT}')
while True:
client_socket, addr = server.accept()
print(f'[*] Accepted connection from {addr[0]}:{addr[1]}')
client_handler = threading.Thread(target=handle_cient, args=(client_socket,))
client_handler.start()
if __name__ == '__main__':
start_server() |