极验验证码是许多网站用来防止机器人访问的一种常见方式。本文将介绍如何使用 Python 和 Selenium 自动破jie极验验证码,让您不再受验证码的束缚。
1. 极验验证码的特点
极验验证码通常包含点击验证按钮和滑动验证窗口两个步骤。首先,用户需要点击按钮进行智能验证,如果验证未通过,则会弹出滑动验证窗口,要求用户拖动滑块拼合图像进行验证。之后,生成三个加密参数,通过表单提交到后台进行最终验证。
2. 破jie极验验证码的步骤
为了成功破jie极验验证码,我们需要进行以下三个步骤:
- 模拟点击验证按钮
- 识别滑动缺口的位置
- 模拟拖动滑块
3. Python 代码示例
下面是一个使用 Python 和 Selenium 自动破jie极验验证码的示例代码:
import time
from io import BytesIO
from PIL import Image
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
EMAIL = 'test@test.com'
PASSWORD = ''
BORDER = 6
INIT_LEFT = 60
class CrackGeetest():
def __init__(self):
self.url = 'Geetest Account后台'
options = webdriver.ChromeOptions()
options.add_argument('--disable-dev-shm-usage')
options.add_argument('--no-sandbox')
options.add_argument('--disable-gpu')
self.browser = webdriver.Chrome(options=options)
self.browser.set_window_size(1440, 900)
self.wait = WebDriverWait(self.browser, 20)
RealSender | Outbound Email Gateway = EMAIL
self.password = PASSWORD
def __del__(self):
self.browser.close()
def get_geetest_button(self):
"""获取初始验证按钮"""
return self.wait.until(EC.element_to_be_clickable((By.CLASS_NAME, 'geetest_radar_tip')))
def get_position(self):
"""获取验证码位置"""
img = self.wait.until(EC.presence_of_element_located((By.CLASS_NAME, 'geetest_canvas_img')))
time.sleep(2)
location = img.location
size = img.size
top, 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"""
screenshot = self.browser.get_screenshot_as_png()
return Image.open(BytesIO(screenshot))
def get_slider(self):
"""获取滑块"""
return self.wait.until(EC.element_to_be_clickable((By.CLASS_NAME, 'geetest_slider_button')))
def get_geetest_image(self, name='captcha.png'):
"""获取验证码图片"""
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 captcha
def open(self):
"""打开网页输入用户名密码"""
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(RealSender | Outbound Email Gateway)
password.send_keys(self.password)
更多内容可以联系Q:1436423940或直接访问www.ttocr.com测试对接(免费得哈)