之前由于工作原因做过极验验证的滑块验证码，该网站的滑块验证码是直接能提取出全图片和缺口图片，利用pillow模块的ImageChops.difference差值算法解决起来比较简单；后来发现了网易易盾这种滑块验证码，他只能提取两个图片的链接（缺口图片和待滑动的小图片）。本文就是网易易盾滑块的破解。
def get_img(self, target, template, xp):
target_link = self.wait.until(EC.presence_of_element_located((By.CLASS_NAME, 'yidun_bg-img'))).get_attribute('src')
template_link = self.wait.until(EC.presence_of_element_located((By.CLASS_NAME, 'yidun_jigsaw'))).get_attribute('src')
target_img = Image.open(BytesIO(requests.get(target_link).content))
template_img = Image.open(BytesIO(requests.get(template_link).content))
target_img.save(target)
template_img.save(template)
size_loc = target_img.size
zoom = xp / int(size_loc[0])
return zoom
def get_img(self, target, template, xp):
target_link = self.wait.until(EC.presence_of_element_located((By.CLASS_NAME, 'yidun_bg-img'))).get_attribute('src')
template_link = self.wait.until(EC.presence_of_element_located((By.CLASS_NAME, 'yidun_jigsaw'))).get_attribute('src')
target_img = Image.open(BytesIO(requests.get(target_link).content))
template_img = Image.open(BytesIO(requests.get(template_link).content))
target_img.save(target)
template_img.save(template)
size_loc = target_img.size
zoom = xp / int(size_loc[0])
return zoom
def change_size(self, file):
image = cv2.imread(file, 1)
img = cv2.medianBlur(image, 5)
b = cv2.threshold(img, 15, 255, cv2.THRESH_BINARY)
binary_image = b[1]
binary_image = cv2.cvtColor(binary_image, cv2.COLOR_BGR2GRAY)
x, y = binary_image.shape
edges_x = []
edges_y = []
for i in range(x):
for j in range(y):
if binary_image[i][j] == 255:
edges_x.append(i)
edges_y.append(j)
left = min(edges_x)
right = max(edges_x)
width = right - left
bottom = min(edges_y)
top = max(edges_y)
height = top - bottom
pre1_picture = image[left:left + width, bottom:bottom + height]
return pre1_picture
def change_size(self, file):
image = cv2.imread(file, 1)
img = cv2.medianBlur(image, 5)
b = cv2.threshold(img, 15, 255, cv2.THRESH_BINARY)
binary_image = b[1]
binary_image = cv2.cvtColor(binary_image, cv2.COLOR_BGR2GRAY)
x, y = binary_image.shape
edges_x = []
edges_y = []
for i in range(x):
for j in range(y):
if binary_image[i][j] == 255:
edges_x.append(i)
edges_y.append(j)
left = min(edges_x)
right = max(edges_x)
width = right - left
bottom = min(edges_y)
top = max(edges_y)
height = top - bottom
pre1_picture = image[left:left + width, bottom:bottom + height]
return pre1_picture
def match(self, target, template):
img_gray = cv2.imread(target, 0)
img_rgb = self.change_size(template)
template = cv2.cvtColor(img_rgb, cv2.COLOR_BGR2GRAY)
res = cv2.matchTemplate(img_gray, template, cv2.TM_CCOEFF_NORMED)
run = 1
L = 0
R = 1
while run < 20:
run += 1
threshold = (R + L) / 2
if threshold < 0:
print('Error')
return None
loc = np.where(res >= threshold)
if len(loc[1]) > 1:
L += (R - L) / 2
elif len(loc[1]) == 1:
break
elif len(loc[1]) < 1:
R -= (R - L) / 2
return loc[1][0]
def match(self, target, template):
img_gray = cv2.imread(target, 0)
img_rgb = self.change_size(template)
template = cv2.cvtColor(img_rgb, cv2.COLOR_BGR2GRAY)
res = cv2.matchTemplate(img_gray, template, cv2.TM_CCOEFF_NORMED)
run = 1
L = 0
R = 1
while run < 20:
run += 1
threshold = (R + L) / 2
if threshold < 0:
print('Error')
return None
loc = np.where(res >= threshold)
if len(loc[1]) > 1:
L += (R - L) / 2
elif len(loc[1]) == 1:
break
elif len(loc[1]) < 1:
R -= (R - L) / 2
return loc[1][0]
def get_tracks(self, distance, seconds, ease_func):
distance += 20
tracks = [0]
offsets = [0]
for t in np.arange(0.0, seconds, 0.1):
ease = ease_func
offset = round(ease(t / seconds) * distance)
tracks.append(offset - offsets[-1])
offsets.append(offset)
tracks.extend([-3, -2, -3, -2, -2, -2, -2, -1, -0, -1, -1, -1])
return tracks
def ease_out_quart(self, x):
return 1 - pow(1 - x, 4)
def get_tracks(self, distance, seconds, ease_func):
distance += 20
tracks = [0]
offsets = [0]
for t in np.arange(0.0, seconds, 0.1):
ease = ease_func
offset = round(ease(t / seconds) * distance)
tracks.append(offset - offsets[-1])
offsets.append(offset)
tracks.extend([-3, -2, -3, -2, -2, -2, -2, -1, -0, -1, -1, -1])
return tracks
def ease_out_quart(self, x):
return 1 - pow(1 - x, 4)
import os
import cv2
import time
import random
import requests
import numpy as np
from PIL import Image
from io import BytesIO
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver import ActionChains
from common.selenium_spider import SeleniumSpider
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
class CrackSlider():
def __init__(self):
desired_capabilities = webdriver.DesiredCapabilities.CHROME.copy()
desired_capabilities['chromeOptions'] = {
'args': [
'--window-size=1400,850',
],
'extensions': []
}
self.path = os.path.join(os.path.dirname(__file__), "common/chromedriver")
self.driver = SeleniumSpider(
desired_capabilities=desired_capabilities,
path='/usr/local/bin/chromedriver')
self.url = 'http://dun.163.com/trial/jigsaw'
self.wait = WebDriverWait(self.driver, 20)
self.driver.get(self.url)
def get_img(self, target, template, xp):
target_link = self.wait.until(EC.presence_of_element_located((By.CLASS_NAME, 'yidun_bg-img'))).get_attribute('src')
template_link = self.wait.until(EC.presence_of_element_located((By.CLASS_NAME, 'yidun_jigsaw'))).get_attribute('src')
target_img = Image.open(BytesIO(requests.get(target_link).content))
template_img = Image.open(BytesIO(requests.get(template_link).content))
target_img.save(target)
template_img.save(template)
size_loc = target_img.size
zoom = xp / int(size_loc[0])
return zoom
def change_size(self, file):
image = cv2.imread(file, 1)
img = cv2.medianBlur(image, 5)
b = cv2.threshold(img, 15, 255, cv2.THRESH_BINARY)
binary_image = b[1]
binary_image = cv2.cvtColor(binary_image, cv2.COLOR_BGR2GRAY)
x, y = binary_image.shape
edges_x = []
edges_y = []
for i in range(x):
for j in range(y):
if binary_image[i][j] == 255:
edges_x.append(i)
edges_y.append(j)
left = min(edges_x)
right = max(edges_x)
width = right - left
bottom = min(edges_y)
top = max(edges_y)
height = top - bottom
pre1_picture = image[left:left + width, bottom:bottom + height]
return pre1_picture
def match(self, target, template):
img_gray = cv2.imread(target, 0)
img_rgb = self.change_size(template)
template = cv2.cvtColor(img_rgb, cv2.COLOR_BGR2GRAY)
res = cv2.matchTemplate(img_gray, template, cv2.TM_CCOEFF_NORMED)
run = 1
L = 0
R = 1
while run < 20:
run += 1
threshold = (R + L) / 2
if threshold < 0:
print('Error')
return None
loc = np.where(res >= threshold)
if len(loc[1]) > 1:
L += (R - L) / 2
elif len(loc[1]) == 1:
break
elif len(loc[1]) < 1:
R -= (R - L) / 2
return loc[1][0]
def move_to_gap(self, tracks):
slider = self.wait.until(EC.element_to_be_clickable((By.CLASS_NAME, 'yidun_slider')))
ActionChains(self.driver).click_and_hold(slider).perform()
while tracks:
x = tracks.pop(0)
ActionChains(self.driver).move_by_offset(xoffset=x, yoffset=0).perform()
time.sleep(0.05)
time.sleep(0.05)
ActionChains(self.driver).release().perform()
def get_tracks(self, distance, seconds, ease_func):
distance += 20
tracks = [0]
offsets = [0]
for t in np.arange(0.0, seconds, 0.1):
ease = ease_func
offset = round(ease(t / seconds) * distance)
tracks.append(offset - offsets[-1])
offsets.append(offset)
tracks.extend([-3, -2, -3, -2, -2, -2, -2, -1, -0, -1, -1, -1])
return tracks
def ease_out_quart(self, x):
return 1 - pow(1 - x, 4)
if __name__ == '__main__':
xp = 320
target = 'target.jpg'
template = 'template.png'
cs = CrackSlider()
zoom = cs.get_img(target, template, xp)
distance = cs.match(target, template)
track = cs.get_tracks((distance + 7) * zoom, random.randint(2, 4), cs.ease_out_quart)
cs.move_to_gap(track)
time.sleep(2)
cs.driver.close()
import os
import cv2
import time
import random
import requests
import numpy as np
from PIL import Image
from io import BytesIO
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver import ActionChains
from common.selenium_spider import SeleniumSpider
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
class CrackSlider():
def __init__(self):
desired_capabilities = webdriver.DesiredCapabilities.CHROME.copy()
desired_capabilities['chromeOptions'] = {
'args': [
'--window-size=1400,850',
],
'extensions': []
}
self.path = os.path.join(os.path.dirname(__file__), "common/chromedriver")
self.driver = SeleniumSpider(
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