[python]HTTPConnection演示

来源：互联网发布：尤易软件编辑：程序博客网时间：2024/04/30 06:14

原是项目里的一段代码，目地是从linux服务器连接java web服务器获取信息，代码部分做了修改用于演示。

python与服务器连接时，用户名和登录密码做了一些加密。

#!/usr/bin/env python# -*- coding: GBK -*-# 上面这行很重要，它指出本源码的编码；失去这行，将会导致编码错误。# python version 3.0+serviceUrl = '/web_test1/action/test2.jsp'import base64import sysimport randomimport http.clientimport hashlibdef pymain():'''启动入口'''OPER_IP = '-IP'OPER_USER = '-U'OPER_PASSWD = '-P'OPER_ACTION = '-A'OPER_HELP = '-H'serviceIp = '127.0.0.1'user = 'root'passwd = '123456'action = 'version'if 1==len(sys.argv)or 5<len(sys.argv):'''显示帮助'''help(sys.argv[0])returnfor arg in sys.argv:if arg.startswith(OPER_HELP):'''显示帮助'''help(sys.argv[0])returnif arg.startswith(OPER_USER):user = arg[2:20]continueif arg.startswith(OPER_PASSWD):passwd = arg[2:20]continueif arg.startswith(OPER_IP):serviceIp = arg[3:40]continueif arg.startswith(OPER_ACTION):action = arg[2:20]continueed = encrypt(user,passwd)#print(ed)print(connectServer(serviceIp, ed, action))def encrypt(user='',passwd=''):'''生成混摇码,并对用户名和密码加密'''rc = randomCode()euser = rc+userepasswd = rc+passwderc = rceuser = hashlib.sha1(euser.encode()).hexdigest()epasswd = hashlib.sha1(epasswd.encode()).hexdigest()#erc = hashlib.sha1(erc.encode()).hexdigest()return {'a':euser, 'b':epasswd, 'c':erc}def randomCode():'''40位混摇码'''c = '1abc234567890def'rc = ''i = 40 while i>0:rc += random.choice(c)i -= 1return rcdef connectServer(serviceIp,reqArgs,action):'''连接server'''res = ''try:httpRequest = "%s?a=%s&b=%s&c=%s&action=%s" % (serviceUrl,reqArgs['a'],reqArgs['b'],reqArgs['c'],action)conn = http.client.HTTPConnection(host=serviceIp) conn.request("POST", httpRequest) r1 = conn.getresponse()if 200 == r1.status:res = r1.read(1024)res = repr(res)else :res = "connect server fail."conn.close()except Exception as e:res = 'connect server except:%s.' % (e)return resdef help(name):'''帮助'''msg = []msg.append('命令格式1: %s [-H]' % (name))msg.append('\t-H:显示帮助信息')msg.append('\t')msg.append('命令格式2: %s <-IPserverip> [-Uuser] [-Ppasswd] [-Aaction]' % (name))msg.append('\t例:%s -IP192.168.1.9:80 -Uroot -P123pwd -Ainfo' % (name))msg.append('\t-IP:要访问的服务ip')msg.append('\t-U:登录用户名')msg.append('\t-P:登录密码')msg.append('\t-A:操作')for im in msg:print(im)if __name__ == '__main__':pymain()

java代码:

<%@ page language="java" contentType="text/html; charset=gbk"    pageEncoding="gbk"%><%@page import="org.sl.util.Utility" %>    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Insert title here</title><%String LOGIN_USER = "sa";String LOGIN_PASSWD = "123456";String user = request.getParameter("a");String passwd = request.getParameter("b");String rc = request.getParameter("c");String action = request.getParameter("action");String res = "";if(Utility.sha1Hex(rc+LOGIN_USER).equals(user)&& Utility.sha1Hex(rc+LOGIN_PASSWD).equals(passwd) ){if("version".equals(action)){res = "1.0";}else if("info".equals(action)){res = "test server.";}else{res = "?";}}else{res = "login fail.";}response.setContentType("text/plain; charset=utf-8");response.getWriter().write(res);response.getWriter().close();%></head></html>

package org.sl.util;import java.security.MessageDigest;public class Utility   {public static String sha1Hex(String src){final char hexDigits[]={'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'};try {byte[] btInput = src.getBytes();MessageDigest mdInst = MessageDigest.getInstance("SHA-1");mdInst.update(btInput);byte[] md = mdInst.digest();// 把密文转换成十六进制的字符串形式            int j = md.length;            char str[] = new char[j * 2];                        for (int i=0,k=0; i < j; i++) {                byte byte0 = md[i];                str[k++] = hexDigits[byte0 >>> 4 & 0xf];                str[k++] = hexDigits[byte0 & 0xf];            }                        return new String(str);            } catch (Exception e) {return "";}}}