响应内容加密反爬案例一：某简壁纸4K高清无码图片获取

无码图片获取"/>

响应内容加密反爬案例一：某简壁纸4K高清无码图片获取

目录

前言

需求

目标网址

详细步骤

1、找数据接口

2、分析加密数据来源

3、堆栈回溯并分析该函数逻辑

4、进入解密函数

5、生成js加密逻辑代码

6、构建python代码逻辑

前言

        禁止翻页爬取 不可对网站进行攻击或分布式爬取 仅供学习参考。

需求

        爬取该网址4K图片 可根据不同分类进行筛选。

目标网址

        aHR0cHM6Ly9iei56enptaC5jbi9pbmRleA==

详细步骤

1、找数据接口

2、分析加密数据来源

3、堆栈回溯并分析该函数逻辑

4、进入解密函数

5、生成js加密逻辑代码

window = global
function _0x4e58da(_0x3d1ba4) {let _0x481fd7, _0x1af3a1, _0x7ac69c = '';for (var _0x1074ee = 0x0; _0x1074ee < _0x3d1ba4['length']; )_0x481fd7 = _0x3d1ba4[_0x1074ee],_0x1af3a1 = 0x0,_0x481fd7 >>> 0x7 === 0x0 ? (_0x7ac69c += String['fromCharCode'](_0x3d1ba4[_0x1074ee]),_0x1074ee += 0x1) : 0xfc === (0xfc & _0x481fd7) ? (_0x1af3a1 = (0x3 & _0x3d1ba4[_0x1074ee]) << 0x1e,_0x1af3a1 |= (0x3f & _0x3d1ba4[_0x1074ee + 0x1]) << 0x18,_0x1af3a1 |= (0x3f & _0x3d1ba4[_0x1074ee + 0x2]) << 0x12,_0x1af3a1 |= (0x3f & _0x3d1ba4[_0x1074ee + 0x3]) << 0xc,_0x1af3a1 |= (0x3f & _0x3d1ba4[_0x1074ee + 0x4]) << 0x6,_0x1af3a1 |= 0x3f & _0x3d1ba4[_0x1074ee + 0x5],_0x7ac69c += String['fromCharCode'](_0x1af3a1),_0x1074ee += 0x6) : 0xf8 === (0xf8 & _0x481fd7) ? (_0x1af3a1 = (0x7 & _0x3d1ba4[_0x1074ee]) << 0x18,_0x1af3a1 |= (0x3f & _0x3d1ba4[_0x1074ee + 0x1]) << 0x12,_0x1af3a1 |= (0x3f & _0x3d1ba4[_0x1074ee + 0x2]) << 0xc,_0x1af3a1 |= (0x3f & _0x3d1ba4[_0x1074ee + 0x3]) << 0x6,_0x1af3a1 |= 0x3f & _0x3d1ba4[_0x1074ee + 0x4],_0x7ac69c += String['fromCharCode'](_0x1af3a1),_0x1074ee += 0x5) : 0xf0 === (0xf0 & _0x481fd7) ? (_0x1af3a1 = (0xf & _0x3d1ba4[_0x1074ee]) << 0x12,_0x1af3a1 |= (0x3f & _0x3d1ba4[_0x1074ee + 0x1]) << 0xc,_0x1af3a1 |= (0x3f & _0x3d1ba4[_0x1074ee + 0x2]) << 0x6,_0x1af3a1 |= 0x3f & _0x3d1ba4[_0x1074ee + 0x3],_0x7ac69c += String['fromCharCode'](_0x1af3a1),_0x1074ee += 0x4) : 0xe0 === (0xe0 & _0x481fd7) ? (_0x1af3a1 = (0x1f & _0x3d1ba4[_0x1074ee]) << 0xc,_0x1af3a1 |= (0x3f & _0x3d1ba4[_0x1074ee + 0x1]) << 0x6,_0x1af3a1 |= 0x3f & _0x3d1ba4[_0x1074ee + 0x2],_0x7ac69c += String['fromCharCode'](_0x1af3a1),_0x1074ee += 0x3) : 0xc0 === (0xc0 & _0x481fd7) ? (_0x1af3a1 = (0x3f & _0x3d1ba4[_0x1074ee]) << 0x6,_0x1af3a1 |= 0x3f & _0x3d1ba4[_0x1074ee + 0x1],_0x7ac69c += String['fromCharCode'](_0x1af3a1),_0x1074ee += 0x2) : (_0x7ac69c += String['fromCharCode'](_0x3d1ba4[_0x1074ee]),_0x1074ee += 0x1);return _0x7ac69c;}function _0x3b44b8(_0x4f208f) {let _0x238f61 = [-0x6f, 0x34, 0x5b, 0x41, -0x41, 0x74, 0x77, 0x6a, -0x79, -0x52, -0x5, 0x50, 0x33, 0x61, 0x44, -0x53, -0x70, -0x33, 0x17, -0x2e, -0x22, -0x72, -0x37, -0xb, -0x7f, 0x5a, 0x21, 0x16, -0x1f, 0x32, -0x11, 0x14, -0x2c, 0xf, -0x5e, -0x7b, 0x76, -0x17, -0x3d, 0x72, 0x47, -0x68, -0x7e, -0x75, -0x51, -0x36, -0x12, -0x6e, -0x4, -0x5f, -0x5b, 0x5e, -0x50, -0xe, 0x78, 0x69, 0x55, 0x68, -0x56, -0x6c, 0x43, 0x19, 0x65, 0x6c, 0x10, -0x69, 0x6f, -0xa, 0x75, -0x49, 0x4d, 0x59, -0x1d, -0x62, -0x44, 0x70, 0x6b, -0x1, 0x56, 0x79, 0x58, -0x65, -0x7c, 0x45, -0x1e, -0x8, -0x71, -0x4a, -0x76, 0x39, -0x19, 0xc, -0x73, -0x6a, 0x5f, 0x7f, 0x54, 0x7c, -0x66, -0x1c, 0x49, 0x2b, -0x3c, 0x1c, 0x2e, 0x73, 0x1e, 0x7a, -0x4b, 0x7d, -0x43, -0x4d, 0x3, -0x7, -0x35, -0xd, 0x35, 0x4e, -0x48, 0x1, 0xb, -0x47, -0x27, -0x4f, -0x3, 0x13, 0x29, 0x7e, -0x2b, -0x7d, -0x1b, 0x22, 0x3f, 0x8, 0x48, -0x23, -0x29, -0x3f, 0x3c, -0x18, 0x66, 0x2f, -0x77, -0x67, -0x16, 0x2d, 0x3b, 0x40, -0x60, 0x31, 0x53, -0x6b, -0x78, -0x39, -0x46, 0x0, -0x26, -0x54, -0x28, 0x18, 0xe, 0x30, 0x1d, 0x2c, -0x24, -0x2f, 0x38, -0x5c, 0x26, 0x25, 0x4, -0x32, 0x67, 0xa, -0x59, 0x37, 0x71, -0x1a, 0x6e, 0x36, 0x24, -0x14, -0x4e, -0xc, -0x74, 0x46, -0x25, 0x5, -0x3e, -0x4c, -0x30, -0x40, 0x4f, 0x64, 0x28, 0x6, -0x3a, -0x5a, -0x13, -0x9, 0x27, 0x5d, -0x63, 0x15, 0x7, 0x1a, -0x2, 0x1b, -0x2d, 0x51, 0x3a, -0x7a, 0x4c, -0x42, 0x2, 0x5c, -0x2a, 0x62, -0x10, 0x9, 0x3d, 0x3e, -0xf, 0x63, -0x15, 0x1f, -0x38, 0x57, 0x11, -0x34, -0x45, -0x21, -0x3b, -0x55, 0x42, 0x4a, 0x12, -0x5d, -0x80, -0x57, -0x20, 0x2a, 0x20, -0x58, 0x6d, 0x60, 0xd, -0x6, 0x4b, -0x64, -0x31, 0x23, -0x61, 0x52, -0x6d, 0x7b], _0x50bcf2 = 0x0, _0x1d05b1 = 0x0, _0x53f98c = 0x0, _0x14fbfd = new Array();for (let _0x3fc84b = 0x0; _0x3fc84b < _0x4f208f['length']; _0x3fc84b++) {_0x50bcf2 = _0x50bcf2 + 0x1 & 0xff,_0x1d05b1 = (0xff & _0x238f61[_0x50bcf2]) + _0x1d05b1 & 0xff;const _0x1d2346 = _0x238f61[_0x50bcf2];_0x238f61[_0x50bcf2] = _0x238f61[_0x1d05b1],_0x238f61[_0x1d05b1] = _0x1d2346,_0x53f98c = (0xff & _0x238f61[_0x50bcf2]) + (0xff & _0x238f61[_0x1d05b1]) & 0xff,_0x14fbfd['push'](_0x4f208f[_0x3fc84b] ^ _0x238f61[_0x53f98c]);}return _0x14fbfd;}function _0x1fa292(_0x4f3d95) {const _0x4c382b = window['atob'](_0x4f3d95), _0x177f05 = new Int8Array(_0x4c382b['length']);for (let _0x293dd4 = 0x0; _0x293dd4 < _0x4c382b['length']; _0x293dd4++)_0x177f05[_0x293dd4] = _0x4c382b['charCodeAt'](_0x293dd4);return _0x177f05;}function Geturllist(_0x5e36f6) {return _0x4e58da(_0x3b44b8(_0x1fa292(_0x5e36f6)));}_0x5e36f6 = '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'
console.log(Geturllist(_0x5e36f6))

6、构建python代码逻辑

import execjs
import requests
import json
def GetData():headers = {"authority": "api.zzzmh","accept": "application/json, text/plain, */*","accept-language": "zh-CN,zh;q=0.9,en;q=0.8","cache-control": "no-cache","content-type": "application/json;charset=UTF-8","origin": "","pragma": "no-cache","referer": "/","sec-ch-ua": "\"Chromium\";v=\"118\", \"Google Chrome\";v=\"118\", \"Not=A?Brand\";v=\"99\"","sec-ch-ua-mobile": "?0","sec-ch-ua-platform": "\"macOS\"","sec-fetch-dest": "empty","sec-fetch-mode": "cors","sec-fetch-site": "same-site","user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36"}url = ""data = {"size": 24,"current": 1,"sort": 0,"category": 0,"resolution": 0,"color": 0,"categoryId": 0,"ratio": 0}data = json.dumps(data, separators=(',', ':'))response = requests.post(url, headers=headers, data=data)result = response.json().get('result')# print(result,type(result))return resultdef Geturl(result):with open('极简壁纸.js',mode='r',encoding='utf-8')as f:data = f.read()urllist = execjspile(data).call('Geturllist',result)urllist = json.loads(urllist).get('list')# print(urllist,type(urllist))return urllistdef Getpicture(urllist):headers = {"authority": "api.zzzmh","accept": "image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8","accept-language": "zh-CN,zh;q=0.9,en;q=0.8","cache-control": "no-cache","pragma": "no-cache","referer": "/","sec-ch-ua": "\"Chromium\";v=\"118\", \"Google Chrome\";v=\"118\", \"Not=A?Brand\";v=\"99\"","sec-ch-ua-mobile": "?0","sec-ch-ua-platform": "\"macOS\"","sec-fetch-dest": "image","sec-fetch-mode": "no-cors","sec-fetch-site": "same-site","user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36"}for i in urllist:url = f"/{i.get('i')}{i.get('t')}1"# 小图为0 大图为1# print(url)smallheaders = requests.get(url=url,headers=headers,allow_redirects=False).headers# print(smallheaders)Location = smallheaders.get('Location')# print(Location)with open(f"images/{i.get('i')}{i.get('t')}1.jpg",mode='wb')as f:f.write(requests.get(url=Location,headers=headers).content)print(f"{i.get('i')}{i.get('t')}0.jpg下载完成!")if __name__ == '__main__':result =  GetData()urllist = Geturl(result)Getpicture(urllist)

代码已上传 大家可以自行下载图片。