使用python爬虫模拟12306登录方法

试了好久登录的时候总是显示:系统忙,请刷新,,,太折磨人了,搞了半天才想到是请求头部的问题.....

验证码还是要人工识图..

#!/bin/env python
# -*- coding=utf-8 -*-
import ssl
import sys
import urllib2
import random
import httplib
import json
from cookielib import LWPCookieJar
import urllib
import re
import getpass
 
reload(sys)
sys.setdefaultencoding('UTF8')
cookiejar = LWPCookieJar()
cookiesuppor = urllib2.HTTPCookieProcessor(cookiejar)
opener = urllib2.build_opener(cookiesuppor, urllib2.HTTPHandler)
urllib2.install_opener(opener)
ssl._create_default_https_context = ssl._create_unverified_context
codeimg = 'https://kyfw.12306.cn/otn/passcodeNew/getPassCodeNew?module=login&rand=sjrand&%s' % random.random()
 
baner = """
##################################
    12306登录脚本,作者Mr RJL
    python版本:2.7,适用于linux
    验证码输入方式:
    输入问题对应的图片序号,1-8;
    多个以','分隔.如:1,2,3
##################################
"""
def get(url):
    try:
        request = urllib2.Request(url=url)
        # req.add_header('User-Agent', 'Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0')
        request.add_header("Content-Type", "application/x-www-form-urlencoded; charset=utf-8")
        request.add_header('X-Requested-With', 'xmlHttpRequest')
        request.add_header('User-Agent',
                           'Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.154 Safari/537.36')
        request.add_header('Referer', 'https://kyfw.12306.cn/otn/login/init')
        request.add_header('Accept', '*/*')
        result = urllib2.urlopen(request).read()
        assert isinstance(result, object)
        return result
    except httplib.error as e:
        print e
        pass
    except urllib2.URLError as e:
        print e
        pass
    except urllib2.HTTPBasicAuthHandler, urllib2.HTTPError:
        print 'error'
        pass
 
 
def Post(url, data):
    try:
        request = urllib2.Request(url=url, data=urllib.urlencode(data))
        # req.add_header('User-Agent', 'Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0')
        # request = urllib2.Request(ajax_url, urllib.urlencode(dc))
        request.add_header("Content-Type", "application/x-www-form-urlencoded; charset=utf-8")
        request.add_header('X-Requested-With', 'xmlHttpRequest')
        request.add_header('User-Agent',
                           'Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.154 Safari/537.36')
        request.add_header('Referer', 'https://kyfw.12306.cn/otn/login/init')
        request.add_header('Accept', '*/*')
        # request.add_header('Accept-Encoding', 'gzip, deflate')
        result = urllib2.urlopen(request).read()
        return result
    except httplib.error as e:
        return e
    except urllib2.URLError as e:
        return e
    except urllib2.HTTPBasicAuthHandler, urllib2.HTTPError:
        return 'error'
 
 
def cookietp():
    stoidinput("获取Cookie")
    Url = "https://kyfw.12306.cn/otn/login/init"
    get(Url)
    for index, c in enumerate(cookiejar):
        stoidinput(c)
 
 
def getImg():
    stoidinput("下载验证码...")
    result = get(codeimg)
    try:
        if open('/tmp/tkcode', 'wb').write(result) :
            import os
            os.system("oeg /tmp/tkcode &")
        else:
            return False
    except OSError as e:
        print e
        pass
 
 
def stoidinput(text):
    """
    正常信息

输出 :param text: :return: """ print "\033[34m[*]\033[0m %s " % text def errorinput(text): """ 错误信息输出 :param text: :return: """ print "\033[32m[!]\033[0m %s " % text return False def codexy(): """ 获取验证码 :return: str """ Ofset = raw_input("[*] 请输入验证码: ") select = Ofset.split(',') global randCode post = [] offsetsX = 0 # 选择的答案的left值,通过浏览器点击8个小图的中点得到的,这样基本没问题 offsetsY = 0 # 选择的答案的top值 for ofset in select: if ofset == '1': offsetsY = 46 offsetsX = 42 elif ofset == '2': offsetsY = 46 offsetsX = 105 elif ofset == '3': offsetsY = 45 offsetsX = 184 elif ofset == '4': offsetsY = 48 offsetsX = 256 elif ofset == '5': offsetsY = 36 offsetsX = 117 elif ofset == '6': offsetsY = 112 offsetsX = 115 elif ofset == '7': offsetsY = 114 offsetsX = 181 elif ofset == '8': offsetsY = 111 offsetsX = 252 else: pass post.append(offsetsX) post.append(offsetsY) randCode = str(post).replace(']', '').replace('[', '').replace("'", '').replace(' ', '') def login(user, passwd): randurl = 'https://kyfw.12306.cn/otn/passcodeNew/checkRandCodeAnsyn' logurl = 'https://kyfw.12306.cn/otn/login/loginAysnSuggest' surl = 'https://kyfw.12306.cn/otn/login/userLogin' geturl = 'https://kyfw.12306.cn/otn/index/initMy12306' randdata = { "randCode": randCode, "rand": "sjrand" } logdata = { "loginUserDTO.user_name": user, "userDTO.password": passwd, "randCode": randCode } ldata = { "_json_att": None } fresult = json.loads(Post(randurl, randdata), encoding='utf8') checkcode = fresult['data']['msg'] if checkcode == 'FALSE': errorinput("验证码有误,请重试") else: stoidinput("验证码通过,开始登录..") try: tresult = json.loads(Post(logurl, logdata), encoding='utf8') if tresult['data'].__len__() == 0: errorinput("登录失败: %s" % tresult['messages'][0]) else: stoidinput("登录成功") sult = Post(surl, ldata) getUserinfo() except ValueError as e: errorinput(e) def getUserinfo(): """ 登录成功后,显示用户名 :return: """ url = 'https://kyfw.12306.cn/otn/modifyUser/initQueryUserInfo' data = dict(_json_att=None) result = Post(url, data) userinfo = result name = r'<input name="userDTO.loginUserDTO.user_name" style="display:none;" type="text" value="(\S+)" />' try: stoidinput("欢迎 %s 登录" % re.search(name, result).group(1)) except AttributeError: pass def main(): user = raw_input("[+] 用户名(用户名/邮箱/手机): ") passwd = getpass.getpass("[+] 密码: ") if user == '' or passwd == '': errorinput("用户名或密码不能为空!") else: cookietp() getImg() codexy() login(user, passwd) def logout(): url = 'https://kyfw.12306.cn/otn/login/loginOut' result = get(url) if result: stoidinput("已退出") else: errorinput("退出失败") if __name__ == "__main__": print baner main() logout()

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