Http/Https代理Python实现

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对Python感兴趣，工作之余，参照部分文档初步实现了HTTP/HTTPs代理。（代码比较凌乱，各位留情。）

使用Fiddler调试。

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import socket

import time

import threading
BUFSIZE=1024


class Access_to_Host(object):
         
    def handler(self,conn,addr):
        self.conn=conn
        self.addr=addr
        all_src_data,hostname,port,ssl_flag=self.get_dst_host_from_header(self.conn,self.addr)
        all_dst_data=self.get_data_from_host(hostname,port,all_src_data,ssl_flag)


        if  all_dst_data and not ssl_flag:
            #self.send_data_to_client(self.conn,all_dst_data)
            self.ssl_client_server_client(self.conn,self.conn_dst,all_dst_data)
        elif ssl_flag:
            sample_data_to_client=b"HTTP/1.0 200 Connection Established\r\n\r\n"
           # print("\nSSL_Flag-1")
            #self.send_data_to_client(self.conn,all_dst_data)
            #print("SSL_Flag-2")
            self.ssl_client_server_client(self.conn,self.conn_dst,sample_data_to_client)
            #print("\nSSL_Flag-3")
        else:
            print('pls check network. cannot get hostname:'+hostname)
        #self.conn.close()
    def ssl_client_server(self,src_conn,dst_conn):
        self.src_conn=src_conn
        self.dst_conn=dst_conn        
        while True:
            ###get data from client
            try:
                ssl_client_data=self.src_conn.recv(BUFSIZE)
            except Ex