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.wait import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
USERNAME = 'xxxx'
PASSWORD = 'xxxx'
BORDER = 6
class CrackGeetest():
def __init__(self):
self.url = 'https://passport.bilibili.com/login'
self.borwser = webdriver.Chrome()
self.wait = WebDriverWait(self.borwser,20)
self.username = USERNAME
self.password = PASSWORD
def open(self):
'''
输入账号和密码
:return:None
'''
self.borwser.get(self.url)
username = self.wait.until(EC.presence_of_element_located((By.ID,'login-username')))
password = self.wait.until(EC.presence_of_element_located((By.ID,'login-passwd')))
username.send_keys(self.username)
password.send_keys(self.password)
def login(self):
'''
获取登录按钮
:return: None
'''
button = self.wait.until(EC.element_to_be_clickable((By.CLASS_NAME,'btn-login')))
button.click()
def get_position(self):
'''
获取验证码图片位置
:return: 元组
'''
img = self.wait.until(EC.element_to_be_clickable((By.CLASS_NAME,'geetest_canvas_img')))
time.sleep(2)
# 图片在浏览器的位置
location = img.location
#图片的大小
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):
'''
网页截图
:return: 截图对象
'''
#页面快照
screenshot =self.borwser.get_screenshot_as_png()
#打开快照文件
screenshot = Image.open(BytesIO(screenshot))
return screenshot
def get_images(self,name='captcha.png'):
'''
获取验证码图片
:return:
'''
top,bottom,left,right = self.get_position()
print('验证码位置',(top,bottom,left,right))
screenshot = self.get_screenshot()
#截取验证码
captcha = screenshot.crop((left,top,right,bottom))
captcha.save(name)
return captcha
def delete_style(self):
'''
执行js脚本,获取无滑块图
:return:
'''
js='document.querySelectorAll("canvas")[3].style=""'
self.borwser.execute_script(js)
def get_gap(self, image1, image2):
'''
获取缺口偏移量
:param image1:有缺口
:param image2: 无缺口
:return: 偏移量
'''
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
"""
#取两个像素的像素点
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:
#家速度为正2
a = 2
else:
a = -3
v0 = v
#当前速度
v = v0+a*t
# 移动距离
x = v0 * t +1/2 * a * t * t
#当前位移
current += x
#加入轨迹
track.append(round(x))
return track
def get_slider(self):
'''
获取滑块对象
:return: slider
'''
slider = self.wait.until(EC.element_to_be_clickable((By.CLASS_NAME,'geetest_slider_button')))
return slider
def move_to_gap(self, slider, track):
'''
滑动滑块
:param slider:滑块对象
:param track: 轨迹
:return:
'''
#点击滑块
ActionChains(self.borwser).click_and_hold(slider).perform()
#遍历轨迹移动滑块
for x in track:
ActionChains(self.borwser).move_by_offset(xoffset=x,yoffset=0).perform()
time.sleep(0.5)
#松开滑块
ActionChains(self.borwser).release().perform()
def crack(self):
#输入账号密码
self.open()
#点击登录按钮
self.login()
#获取缺口照片
image1 =self.get_images('captcha1.png')
#获取原图
self.delete_style()
image2 = self.get_images('captcha2.png')
#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
#获取轨迹
tack = self.get_track(gap)
#滑动滑块
slider =self.get_slider()
self.move_to_gap(slider,tack)
if __name__ == '__main__':
crack = CrackGeetest()
crack.crack()
当我寻找登录按钮,网页中是btn btn-login 我查找这个一找不到 改成btn-login成功了 图片位置也同理
这个虽然成功登录 ,但有时会时间过长 而超时 还有修改的空间
模拟登录哔哩哔哩
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转载自www.cnblogs.com/kill-520/p/11642719.html
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