selenium 破解东方航空登录滑块验证码

from selenium import webdriver
from PIL import Image
from selenium.webdriver import ChromeOptions
from selenium.webdriver.common.action_chains import ActionChains
import time
import random

def cut_image(driver):
    # 获取整个页面图片，图片名字为'whole_img.png'
    driver.save_screenshot('whole_img.png')
    image = driver.find_element_by_class_name('geetest_canvas_img')

    # 获取图片的左上右下的位置
    left = image.location['x']
    top = image.location['y']
    right = left + image.size['width']
    buttom = top + image.size['height']

    # 调用open方法打开全屏图片并赋值给image_obj对象
    whole_img_obj = Image.open('whole_img.png')

    # 通过image_obj对象对小图片进行截取
    img = whole_img_obj.crop((left, top, right, buttom))
    return img

def get_image(driver, target):
    time.sleep(2)
    # 修改document文档树，把完整图片的display属性修改为block或 none （根据参数修改）
    js_code = '''var x = document.getElementsByClassName("geetest_canvas_fullbg")[0].style.display = "{}";'''.format(target)
    # 执行js代码
    driver.execute_script(js_code)
    # 截取图片
    image = cut_image(driver)
    return image

def is_similar(full_image, gap_image, x, y):
    # 像素差
    num = 50
    pixel1 = full_image.getpixel((x, y))
    pixel2 = gap_image.getpixel((x, y))

    for i in range(0, 3):
        if abs(pixel1[i]) - pixel2[i] >= num:
            return False
    return True

def get_distance(full_image, gap_image):
    start = 60
    for x in range(start, full_image.size[0]):
        for y in range(full_image.size[1]):
            if not is_similar(full_image, gap_image, x, y):
                return x

def get_tracks(distance):
    '''
    滑动行为轨迹
    加速公式: v = v0 + a * t
    路程公式: s = v0 * t + 0.5 * a * (t ** 2)
    '''
    # 初速度
    v0 = 0
    # 时间
    t = 0.3
    # 位置
    s = 0
    # 滑动轨迹列表 向前滑动列表
    move_list = []
    # 中间值,作为加减速度的位置
    mid = distance * 7 / 8
    # 加减速度列表
    v_list = [4, 8, 18, 28]
    # 循环位移
    while s < distance:
        if s < mid:
            # 随机获取一个加速度
            a = v_list[random.randint(0, len(v_list) - 1)]
        else:
            # 随机获取一个减速度
            a = -v_list[random.randint(0, len(v_list) - 1)]
        '''
        匀加速/减速运行: v = v0 + a * t
        位移: s = v * t + 0.5 * a * (t**2)
        '''
        # 获取初始速度
        v = v0
        # 路程公式:
        s1 = v * t + 0.5 * a * (t ** 2)
        s1 = round(s1)  # 取整
        # 加速公式:
        m_v = v + a * t
        # 把当前加/减速度赋值给初始速度，以便下一次计算
        v0 = m_v
        # 把位移添加到滑动列表中
        move_list.append(s1)
        # 修改滑动初始距离
        s += s1
    # 后退列表, 自定义后退滑动轨迹,必须是负值
    back_list = [-1, -1, -2, -3, -2, -2, -1]
    return {'move_list': move_list, 'back_list': back_list}

def main():

    path = r'C:\Users\software\chromedriver\chromedriver_win32\chromedriver.exe'
    options = ChromeOptions()
    options.add_experimental_option("excludeSwitches", ["enable-automation"])
    options.add_experimental_option('useAutomationExtension', False)
    driver = webdriver.Chrome(executable_path=path, options=options)
    driver.execute_cdp_cmd("Page.addScriptToEvaluateOnNewDocument", {
        "source": """
            Object.defineProperty(navigator, 'webdriver', {
              get: () => undefined
            })
          """
    })
    driver.maximize_window()

    try:
        # 1. 输入账号，密码，登录
        driver.get("https://passport.ceair.com/?redirectUrl=http%3A%2F%2Fwww.ceair.com%2F#/ffp")

        driver.find_element_by_xpath('//*[@id="login"]/section/article/aside/article/dl[1]/dd/input').send_keys(
            '19937423832')
        time.sleep(0.2)

        driver.find_element_by_xpath('//*[@id="login"]/section/article/aside/article/dl[2]/dd/input').send_keys(
            '19283746')
        time.sleep(0.3)

        driver.find_element_by_xpath('//*[@id="login"]/section/article/aside/article/dl[4]/dd/input').click()
        time.sleep(1)

        # 2.获取完整图片
        full_image = get_image(driver, 'block')
        # full_image.show()

        # 3.获取缺口图片
        gap_image = get_image(driver, 'none')
        # gap_image.show()

        # 4.对比两张图片，获取滑动距离
        distance = get_distance(full_image, gap_image)

        # 5.模拟人的滑动轨迹
        tracks = get_tracks(distance)
        # 获取前进滑动轨迹
        move_list = tracks['move_list']
        # 获取后退滑动轨迹
        back_list = tracks['back_list']

        # 6.滑动
        move_tag = driver.find_element_by_xpath('/html/body/div/div[2]/div[6]/div/div[1]/div[2]/div[2]')
        # 点击摁住滑动按钮
        ActionChains(driver).click_and_hold(on_element=move_tag).perform()
        for move in move_list:
            ActionChains(driver).move_by_offset(xoffset=move, yoffset=0).perform()
            time.sleep(0.1)

        time.sleep(0.1)

        # 向后滑动
        for back in back_list:
            ActionChains(driver).move_by_offset(xoffset=back, yoffset=0).perform()
            time.sleep(0.1)

        # 7.微妙晃动
        ActionChains(driver).move_by_offset(xoffset=3, yoffset=0).perform()
        time.sleep(0.1)
        ActionChains(driver).move_by_offset(xoffset=-3, yoffset=0).perform()
        time.sleep(0.1)

        # 8.释放滑动按钮
        ActionChains(driver).release().perform()
        time.sleep(1)

    except Exception as e:
        print('exception: ', e)
    driver.close()

if __name__ == '__main__':
    main()