某网站JS逆向解密数据

某网站请求数据与返回数据JS逆向解密，这种类型的加密比较少见，难度倒是不高，适合练手。

视频教程地址：

https://www.bilibili.com/video/BV1Sv4y1g7gB/

视频相关代码：

# -*- coding: utf-8 -*-
# @Author: Null119 微信公众号/网站：治廷君
# @Desc: { 有鱼 }
# @Date: { 2022/6/19 }
import requests,base64,urllib3
from Crypto.Cipher import AES
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)

def pad_byte(b):
    bytes_num_to_pad = 16 - (len(b) % 16)
    byte_to_pad = bytes([bytes_num_to_pad])
    padding = byte_to_pad * bytes_num_to_pad
    padded = b + padding
    return padded

def aesEcbEncode(data, key):
    padded = pad_byte(data.encode('utf-8'))
    key = bytes(key, encoding='utf-8')
    naes = AES.new(key, AES.MODE_ECB)
    en_text = naes.encrypt(padded)
    return base64.b64encode(en_text).decode()

def aesEcbDecode(data,key):
    decrpytBytes = base64.b64decode(data)
    key = bytes(key, encoding='utf-8')
    naes = AES.new(key, AES.MODE_ECB)
    return naes.decrypt(decrpytBytes).decode('utf-8')

def getLoginCode(phone):
    url='https://sdk.youyu.art/login/verifyCode/send'
    headers={
        "Accept":"application/json, text/plain, */*",
        "Gray-Version":"false",
        "User-Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.124 Safari/537.36 Edg/102.0.1245.44",
        "Content-Type":"application/json",
        "Origin":"https://h5sdkcdn.youyu.art",
        "Referer":"https://h5sdkcdn.youyu.art/"
    }
    pdata='{"smsType":"LOGIN","mobile":"'+phone+'","aes":1,"common":{"packageName":"com.tencent.tmgp.xyjjzy"}}'
    print(f'formdata: {pdata}')
    endata=aesEcbEncode(pdata,'088c80bf980469c3')  # 1：aesEncode
    print(f'aesEncode: {endata}')
    endata=base64.b64decode(endata.encode("utf-8")) # 2：base64dDecode
    print(f'debase64: {endata}')

    resp=requests.post(url,data=endata,headers=headers,verify=False)
    print(f'response: {resp.content}')
    respde=str(base64.b64encode(resp.content), "utf-8") # 1: base64Decode
    print(f'base64Encode: {respde}')
    print(f'response: {aesEcbDecode(respde,"088c80bf980469c3")}')      # 2: aesDecode

if __name__ == '__main__':
    getLoginCode('13666666668')