爬虫之点触验证码的识别

一简介

直接点击图中符合要求的图。所有的答案都正确，验证才会成功，如果有一个答案错误，验证就会失败。

二目标

用程序来识别并通过点触验证码的验证。

三了解点触验证码

12306官网的验证码样式：

四超级鹰注册账号

https://www.chaojiying.com/user/reg

注册用户：cakin24

验证码类型参考：https://www.chaojiying.com/price.html

五代码

1 Chaojiying.py

import requests
from hashlib import md5class Chaojiying(object):def __init__(self, username, password, soft_id):self.username = usernameself.password = md5(password.encode('utf-8')).hexdigest()self.soft_id = soft_idself.base_params = {'user': self.username,'pass2': self.password,'softid': self.soft_id,}self.headers = {'Connection': 'Keep-Alive','User-Agent': 'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0)',}def post_pic(self, im, codetype):"""im: 图片字节codetype: 题目类型 参考 http://www.chaojiying.com/price.html"""params = {'codetype': codetype,}params.update(self.base_params)files = {'userfile': ('ccc.jpg', im)}r = requests.post('http://upload.chaojiying.net/Upload/Processing.php', data=params, files=files,headers=self.headers)return r.json()def report_error(self, im_id):"""im_id:报错题目的图片ID"""params = {'id': im_id,}params.update(self.base_params)r = requests.post('http://upload.chaojiying.net/Upload/ReportError.php', data=params, headers=self.headers)return r.json()

2 8_3.py

import time
from io import BytesIO
from PIL import Image
from selenium import webdriver
from selenium.webdriver import ActionChains
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from chaojiying import Chaojiying# http://admin.touclick.com/login.html的邮箱
EMAIL = '798103175@qq.com'
# http://admin.touclick.com/login.html的密码
PASSWORD = ''CHAOJIYING_USERNAME = 'cakin24'
CHAOJIYING_PASSWORD = ''
CHAOJIYING_SOFT_ID = 898551
CHAOJIYING_KIND = 9102class CrackTouClick():def __init__(self):self.url = 'http://admin.touclick.com/login.html'self.browser = webdriver.Chrome()self.wait = WebDriverWait(self.browser, 20)self.email = EMAILself.password = PASSWORDself.chaojiying = Chaojiying(CHAOJIYING_USERNAME, CHAOJIYING_PASSWORD, CHAOJIYING_SOFT_ID)def __del__(self):self.browser.close()def open(self):"""打开网页输入用户名密码:return: None"""self.browser.get(self.url)email = self.wait.until(EC.presence_of_element_located((By.ID, 'email')))password = self.wait.until(EC.presence_of_element_located((By.ID, 'password')))email.send_keys(self.email)password.send_keys(self.password)def get_touclick_button(self):"""获取初始验证按钮:return:"""button = self.wait.until(EC.element_to_be_clickable((By.CLASS_NAME, 'touclick-hod-wrap')))return buttondef get_touclick_element(self):"""获取验证图片对象:return: 图片对象"""element = self.wait.until(EC.presence_of_element_located((By.CLASS_NAME, 'touclick-pub-content')))return elementdef get_position(self):"""获取验证码位置:return: 验证码位置元组"""element = self.get_touclick_element()time.sleep(2)location = element.locationsize = element.sizetop, bottom, left, right = location['y'], location['y'] + size['height'], location['x'], location['x'] + size['width']return (top, bottom, left, right)def get_screenshot(self):"""获取网页截图:return: 截图对象"""screenshot = self.browser.get_screenshot_as_png()screenshot = Image.open(BytesIO(screenshot))return screenshotdef get_touclick_image(self, name='captcha.png'):"""获取验证码图片:return: 图片对象"""top, bottom, left, right = self.get_position()print('验证码位置', top, bottom, left, right)screenshot = self.get_screenshot()captcha = screenshot.crop((left, top, right, bottom))captcha.save(name)return captchadef get_points(self, captcha_result):"""解析识别结果:param captcha_result: 识别结果:return: 转化后的结果"""groups = captcha_result.get('pic_str').split('|')locations = [[int(number) for number in group.split(',')] for group in groups]return locationsdef touch_click_words(self, locations):"""点击验证图片:param locations: 点击位置:return: None"""for location in locations:print(location)ActionChains(self.browser).move_to_element_with_offset(self.get_touclick_element(), location[0],location[1]).click().perform()time.sleep(1)def touch_click_verify(self):"""点击验证按钮:return: None"""button = self.wait.until(EC.element_to_be_clickable((By.CLASS_NAME, 'touclick-pub-submit')))button.click()def login(self):"""登录:return: None"""submit = self.wait.until(EC.element_to_be_clickable((By.ID, '_submit')))submit.click()time.sleep(10)print('登录成功')def crack(self):"""破解入口:return: None"""self.open()# 点击验证按钮button = self.get_touclick_button()button.click()# 获取验证码图片image = self.get_touclick_image()bytes_array = BytesIO()image.save(bytes_array, format='PNG')# 识别验证码result = self.chaojiying.post_pic(bytes_array.getvalue(), CHAOJIYING_KIND)print(result)locations = self.get_points(result)self.touch_click_words(locations)self.touch_click_verify()# 判定是否成功success = self.wait.until(EC.text_to_be_present_in_element((By.CLASS_NAME, 'touclick-hod-note'), '验证成功'))print(success)# 失败后重试if not success:self.crack()else:self.login()if __name__ == '__main__':crack = CrackTouClick()crack.crack()

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