基于滑块的验证破解 —— Selenium

1.可分为三个核心步骤

• 获取验证码图片
• 识别图片，计算轨迹距离
• 寻找滑块，控制滑动

  打开网址：https://www.geetest.com/adaptive-captcha-demo

  2.获取验证图片

  import re
  import time
  from selenium import webdriver
  from selenium.webdriver.chrome.service import Service
  from selenium.webdriver.common.by import By
  from selenium.webdriver.support.wait import WebDriverWait
  service = Service('driver/chromedriver.exe')
  driver = webdriver.Chrome(service=service)
  # 1.打开首页
  driver.get('https://www.geetest.com/adaptive-captcha-demo')
  # 2.点击【滑动图片验证】
  tag = WebDriverWait(driver, 30, 0.5).until(lambda dv: dv.find_element(
      By.XPATH,
      '//*[@id="gt-showZh-mobile"]/div/section/div/div[2]/div[1]/div[2]/div[3]/div[3]',
  ))
  tag.click()
  # 3.点击开始验证
  tag = WebDriverWait(driver, 30, 0.5).until(lambda dv: dv.find_element(
      By.CLASS_NAME,
      'geetest_btn_click',
  ))
  tag.click()
  # 4.获取背景图片 - 使用了闭包
  def fetch_image_func(class_name):
      def inner(dv):
          tag_object = dv.find_element(
              By.CLASS_NAME,
              class_name,
          )
          style_string = tag_object.get_attribute('style')
          match_list = re.findall('url\(\"(.*)\"\);', style_string)
          if match_list:
              return match_list[0]
          return
      return inner
  bg_img_url = WebDriverWait(driver, 30, 0.5).until(fetch_image_func('geetest_bg'))
  print(f'背景图：{bg_img_url}')
  slice_image_url = WebDriverWait(driver, 30, 0.5).until(fetch_image_func('geetest_slice_bg'))
  print(f'背景图：{slice_image_url}')
  time.sleep(2)
  driver.close()
  

  t(f’背景图：{slice_image_url}')

  time.sleep(2)

  driver.close()

   
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