Document

import requests
import re
from PIL import Image
import time
import hashlib
from fake_useragent import UserAgent
 
imgUrl = re.compile('background-image: url\((.*?)\)') #找到原图链接
positions = re.compile("class='gt_cut_fullbg_slice' style='background-position:(.*?)px (.*?)px;'>")#图片坐标
 
ua = UserAgent()
url='https://authcode.51.com/authcode/slidecode'
headers ={
    'User-Agent': ua.random
}
params={
    'callback': 'jQuery11110024185931707424446_1648388960494',
    'from': 'passport',
    '_': '1648388960512'
}
html=requests.get(url,headers=headers,params=params)
print('html.text->',html.text)
imgurls=imgUrl.findall(html.text)
 
 
for us in imgurls:
    if 'big' in us:
        bigImg='https:'+us.replace("\/",'/').replace('\\"','')
        print('bigImg->',bigImg)
 
pos_lists=[]
positions=positions.findall(html.text)
for ps in positions:
    x=int(ps[0])
    y=int(ps[1])
    pos_lists.append({"x":x,"y":y})
 
bg_img = requests.get(bigImg).content
with open('51原图.png','wb')as f:
    f.write(bg_img)
#bg_img=io.BytesIO(bg_img)
im = Image.open('51原图.png')
 
new_pos=[]
for pos in pos_lists:
    if pos['y'] == -75:
        new_pos.append(im.crop((abs(pos['x']), 75, abs(pos['x']) + 13, 100)))
    if pos['y'] == -50:
        new_pos.append(im.crop((abs(pos['x']), 50, abs(pos['x']) + 13, 75)))
    if pos['y'] == -25:
        new_pos.append(im.crop((abs(pos['x']), 25, abs(pos['x']) + 13, 50)))
    if pos['y'] == 0:
        new_pos.append(im.crop((abs(pos['x']), 0, abs(pos['x']) + 13, 25)))
 
#print(new_pos)
#新图片
new_im = Image.new('RGB', (260, 100))
 
x_offset = 0
y_offset=0
 
for im in new_pos:
    if (x_offset==260):
        x_offset=0
        y_offset+=25
 
    new_im.paste(im, (x_offset, y_offset))
    x_offset += 13
 
print('ok','{}.png'.format('resul'))
new_im.save('./{}.png'.format('51原图还原后'))
 
my_time = int(time.time()*1000)
times = re.compile('<inpu.*?times.*?value=(.*?)>')
times = times.findall(html.text)[0].replace('\\"','')
challenge = re.compile('<inpu.*?challenge.*?value=(.*?)>')
challenge = challenge.findall(html.text)[0].replace('\\"','')
# print(times)
# print(challenge)
point='68'
re_url = 'https://authcode.51.com/authcode/yz2'
params1 = {
    'callback': f'jQuery111104273542489406337_'+str(my_time),
    'point': point,
    'times': times,
    'challenge': challenge,
    'token': hashlib.md5((challenge+times+point).encode('utf8')).hexdigest(),
    'from': 'passport',
    'divpre':'',
    '_': str(my_time)
}
re_html = requests.get(re_url,params=params1)
print(re_html.text)