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  • 使用python模拟登陆百度

使用python模拟登陆百度

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#!/usr/bin/python
# -*- coding: utf-8 -*-
  
import re;
import cookielib;
import urllib;
import urllib2;
import optparse;
  
#------------------------------------------------------------------------------
# check all cookies in cookiesDict is exist in cookieJar or not
def checkAllCookiesExist(cookieNameList, cookieJar) :
    cookiesDict= {};
    for eachCookieNamein cookieNameList :
        cookiesDict[eachCookieName]= False;
  
    allCookieFound= True;
    for cookiein cookieJar :
        if(cookie.namein cookiesDict) :
            cookiesDict[cookie.name]= True;
  
    for eachCookiein cookiesDict.keys() :
        if(not cookiesDict[eachCookie]) :
            allCookieFound= False;
            break;
  
    return allCookieFound;
  
#------------------------------------------------------------------------------
# just for print delimiter
def printDelimiter():
    print '-'*80;
  
#------------------------------------------------------------------------------
# main function to emulate login baidu
def emulateLoginBaidu():
    print "Function: Used to demostrate how to use Python code to emulate login baidu main page: http://www.baidu.com/";
    print "Usage: emulate_login_baidu_python.py -u yourBaiduUsername -p yourBaiduPassword";
    printDelimiter();
  
    # parse input parameters
    parser= optparse.OptionParser();
    parser.add_option("-u","--username",action="store",type="string",default='',dest="username",help="Your Baidu Username");
    parser.add_option("-p","--password",action="store",type="string",default='',dest="password",help="Your Baidu password");
    (options, args)= parser.parse_args();
    # export all options variables, then later variables can be used
    for iin dir(options):
        exec(i+ " = options." + i);
  
    printDelimiter();
    print "[preparation] using cookieJar & HTTPCookieProcessor to automatically handle cookies";
    cj= cookielib.CookieJar();
    opener= urllib2.build_opener(urllib2.HTTPCookieProcessor(cj));
    urllib2.install_opener(opener);
  
    printDelimiter();
    print "[step1] to get cookie BAIDUID";
    baiduMainUrl= "http://www.baidu.com/";
    resp= urllib2.urlopen(baiduMainUrl);
    #respInfo = resp.info();
    #print "respInfo=",respInfo;
    for index, cookiein enumerate(cj):
        print '[',index,']',cookie;
  
    printDelimiter();
    print "[step2] to get token value";
    getapiUrl= "https://passport.baidu.com/v2/api/?getapi&class=login&tpl=mn&tangram=true";
    getapiResp= urllib2.urlopen(getapiUrl);
    #print "getapiResp=",getapiResp;
    getapiRespHtml= getapiResp.read();
    #print "getapiRespHtml=",getapiRespHtml;
    #bdPass.api.params.login_token='5ab690978812b0e7fbbe1bfc267b90b3';
    foundTokenVal= re.search("bdPass\.api\.params\.login_token='(?P<tokenVal>\w+)';", getapiRespHtml);
    if(foundTokenVal):
        tokenVal= foundTokenVal.group("tokenVal");
        print "tokenVal=",tokenVal;
  
        printDelimiter();
        print "[step3] emulate login baidu";
        staticpage= "http://www.baidu.com/cache/user/html/jump.html";
        baiduMainLoginUrl= "https://passport.baidu.com/v2/api/?login";
        postDict= {
            #'ppui_logintime': "",
            'charset'       :"utf-8",
            #'codestring'    : "",
            'token'         : tokenVal,#de3dbf1e8596642fa2ddf2921cd6257f
            'isPhone'       :"false",
            'index'         :"0",
            #'u'             : "",
            #'safeflg'       : "0",
            'staticpage'    : staticpage,#http%3A%2F%2Fwww.baidu.com%2Fcache%2Fuser%2Fhtml%2Fjump.html
            'loginType'     :"1",
            'tpl'           :"mn",
            'callback'      :"parent.bdPass.api.login._postCallback",
            'username'      : username,
            'password'      : password,
            #'verifycode'    : "",
            'mem_pass'      :"on",
        };
        postData= urllib.urlencode(postDict);
        # here will automatically encode values of parameters
        # such as:
        # encode http://www.baidu.com/cache/user/html/jump.html into http%3A%2F%2Fwww.baidu.com%2Fcache%2Fuser%2Fhtml%2Fjump.html
        #print "postData=",postData;
        req= urllib2.Request(baiduMainLoginUrl, postData);
        # in most case, for do POST request, the content-type, is application/x-www-form-urlencoded
        req.add_header('Content-Type',"application/x-www-form-urlencoded");
        resp= urllib2.urlopen(req);
        #for index, cookie in enumerate(cj):
        #    print '[',index, ']',cookie;
        cookiesToCheck= ['BDUSS','PTOKEN','STOKEN','SAVEUSERID'];
        loginBaiduOK= checkAllCookiesExist(cookiesToCheck, cj);
        if(loginBaiduOK):
            print "+++ Emulate login baidu is OK, ^_^";
        else:
            print "--- Failed to emulate login baidu !"
    else:
        print "Fail to extract token value from html=",getapiRespHtml;
  
if __name__=="__main__":
    emulateLoginBaidu();

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