使用python模拟登陆百度
使用python模拟登陆百度
#!/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 eachCookieName in cookieNameList :
cookiesDict[eachCookieName] = False;
allCookieFound = True;
for cookie in cookieJar :
if(cookie.name in cookiesDict) :
cookiesDict[cookie.name] = True;
for eachCookie in 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 i in 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, cookie in 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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