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这篇文章主要为大家详细介绍了极验证码3破解-selenium的实现过程，文中示例代码介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们可以参考一下。
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
EMAIL = ''
PASSWORD = ''
BORDER = 6
INIT_LEFT = 60
class CrackGeetest():
def __init__(self):
self.url = 'https://account.zbj.com/login'
self.option = webdriver.ChromeOptions()
# self.option.add_argument('--headless')
# self.option.add_argument('--disable-gpu')
# self.option.add_argument("--user-agent=Mozilla/5.0 HAHA")
self.browser = webdriver.Chrome(executable_path="./chromedriver", options=self.option)
self.wait = WebDriverWait(self.browser, 20)
self.email = EMAIL
self.password = PASSWORD
def __del__(self):
self.browser.close()
def get_geetest_button(self):
"""
获取初始验证按钮
:return:
"""
button = self.wait.until(EC.element_to_be_clickable((By.CLASS_NAME, 'geetest_radar_tip')))
return button
def get_position(self):
"""
获取验证码位置
:return: 验证码位置元组
"""
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
:return: 截图对象
"""
screenshot = self.browser.get_screenshot_as_png()
screenshot = Image.open(BytesIO(screenshot))
return screenshot
def get_slider(self):
"""
获取滑块
:return: 滑块对象
"""
slider = self.wait.until(EC.element_to_be_clickable((By.CLASS_NAME, 'geetest_slider_button')))
return slider
def get_geetest_image(self, name='captcha.png', js=''):
"""
获取验证码图片
:return: 图片对象
"""
time.sleep(1)
self.browser.execute_script(js)
time.sleep(1)
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
:return: None
"""
self.browser.get(self.url)
email = self.wait.until(EC.presence_of_element_located((By.ID, 'username')))
password = self.wait.until(EC.presence_of_element_located((By.ID, 'password')))
email.send_keys(self.email)
time.sleep(1)
password.send_keys(self.password)
def get_gap(self, image1, image2):
"""
获取缺口偏移量
:param image1: 不带缺口图片
:param image2: 带缺口图片
:return:
"""
left = 60
for i in range(left, image1.size[0]):
for j in range(image1.size[1]):
if not self.is_pixel_equal(image1, image2, i, j):
left = i
return left
return left
def is_pixel_equal(self, image1, image2, x, y):
"""
判断两个像素是否相同
:param image1: 图片1
:param image2: 图片2
:param x: 位置x
:param y: 位置y
:return: 像素是否相同
"""
# 取两个图片的像素点
pixel1 = image1.load()[x, y]
pixel2 = image2.load()[x, y]
threshold = 60
if abs(pixel1[0] - pixel2[0]) < threshold and abs(pixel1[1] - pixel2[1]) < threshold and abs(
pixel1[2] - pixel2[2]) < threshold:
return True
else:
return False
def get_track(self, distance):
"""
根据偏移量获取移动轨迹
:param distance: 偏移量
:return: 移动轨迹
"""
# 移动轨迹
track = []
# 当前位移
current = 0
# 减速阈值
mid = distance * 4 / 5
# 计算间隔
t = 0.2
# 初速度
v = 0
while current < distance:
if current < mid:
# 加速度为正2
a = 2
else:
# 加速度为负3
a = -3
# 初速度v0
v0 = v
# 当前速度v = v0 + at
v = v0 + a * t
# 移动距离x = v0t + 1/2 * a * t^2
move = v0 * t + 1 / 2 * a * t * t
# 当前位移
current += move
# 加入轨迹
track.append(round(move))
return track
def move_to_gap(self, slider, track):
"""
拖动滑块到缺口处
:param slider: 滑块
:param track: 轨迹
:return:
"""
ActionChains(self.browser).click_and_hold(slider).perform()
for x in track:
ActionChains(self.browser).move_by_offset(xoffset=x, yoffset=0).perform()
time.sleep(0.5)
ActionChains(self.browser).release().perform()
def login(self):
"""
登录
:return: None
"""
submit = self.wait.until(EC.element_to_be_clickable((By.XPATH, '//*[@id="login"]//button')))
function(){ //交易品种 http://www.kaifx.cn/question/kaifx/1741.html
submit.click()
time.sleep(10)
print('登录成功')
def crack(self):
# 输入用户名密码
self.open()
# 点击验证按钮
button = self.get_geetest_button()
button.click()
# 获取验证码图片
js_1 = '''document.getElementsByClassName('geetest_canvas_fullbg')[0].style.display="block";'''
image1 = self.get_geetest_image(name='captcha1.png', js=js_1)
# 获取带缺口的验证码图片
js_2 = '''document.getElementsByClassName('geetest_canvas_fullbg')[0].style.display="none";'''
image2 = self.get_geetest_image(name='captcha2.png', js=js_2)
# 获取缺口位置
gap = self.get_gap(image1, image2)
print('缺口位置', gap)
# 减去缺口位移
gap -= BORDER
# 获取移动轨迹
track = self.get_track(gap)
print('滑动轨迹', track)
# 拖动滑块
slider = self.get_slider()
self.move_to_gap(slider, track)
success = self.wait.until(
EC.text_to_be_present_in_element((By.CLASS_NAME, 'geetest_success_radar_tip_content'), '验证成功'))
print(success)
# 失败后重试
if not success:
self.crack()
else:
self.login()
if __name__ == '__main__':
crack = CrackGeetest()
crack.crack()
以上就是代码实现极验证码3破解-selenium的详细内容，代码详细清楚，如果在日常工作遇到此问题，希望你能通过这篇文章解决问题。如果想了解更多相关内容，欢迎关注亿速云行业资讯频道！
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