下面是完整的解密代码和调用方式：

注：可以试下在 9xbuddy 网站下的 chrome 控制台运行。

// 填入响应数据的url字段

let res_formats_url = '65326f655953386f68336f645166616852434f754b2f4c323747706f387937354f4f72667a7a497a4e2b5a7a33754d63664b71616a56497a414c38754943716450695a705a75326f6e4f476f696e633165533977736d595a67534a626157347050436169697139324633626d2f537177506671736c754c357931486c4a324a6e6a7147706e3273737475476a51537170704732664a4b366e7568476e662b596763715a685561366e566561666c79706e6c364e313453386d667a647261432b7447486133437670344d7a4a6f70717334714b2b6e'

// 填入响应数据的token字段

let res_token = 'n6rWoqmgkmRu3cSrlJmrlNOpy6+msMueoseSamOVgl59lpXP0qvT1Z9xgnuk2sihVbLDmVCEhYa8V5WSlmeXkWqPg3al1c6bh5qUsc2rk5dqbZBlbIaLgH25r4JcVZ7Pz5yEqZyZzaFfhqadp9TPm19tYpSUZZebb22QY2yZg4iWy8OomWRnmZtll5hoZpJm'

let url = main(res_formats_url, res_token)

console.log(url)

// 入口函数

function main(t, n) { // t 为响应结果的 url, n 为响应结果的 token

if (!t || !n)

return null;

var o = document.head.innerHTML

, s = /\/build\/bundle-([^"]+?).css/g.exec(o);

if (!s)

return "";

var i = s[1]

, c = hex2bin(t).split("").reverse().join("")

, l = n + document.location.hostname.length + i;

return decrypt(c, l)

}

// 十六进制转二进制

function hex2bin(e) {

var t, n = [], r = 0;

for (t = (e += "").length; r < t; r += 2) {

var a = parseInt(e.substr(r, 1), 16)

, o = parseInt(e.substr(r + 1, 1), 16);

if (isNaN(a) || isNaN(o))

return !1;

n.push(a << 4 | o)

}

return String.fromCharCode.apply(String, n)

}

// 数据解密

function decrypt(e, t) {

var n = "";

e = decode64(e);

for (var r = 0; r < e.length; r++) {

var a = e.substr(r, 1)

, o = t.substr(r % t.length - 1, 1);

a = Math.floor(ord(a) - ord(o)),

n += a = String.fromCharCode(a)

}

return n

}

// base64解码

function decode64(e) {

if (e = e.replace(/\s/g, ""),

/^[a-z0-9\+\/\s]+\={0,2}$/i.test(e) && !(e.length % 4 > 0)) {

var t = 0

, n = void 0

, r = void 0

, a = [];

for (e = e.replace(/=/g, ""); t < e.length;) {

switch (n = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".indexOf(e.charAt(t)),

t % 4) {

case 1:

a.push(String.fromCharCode(r << 2 | n >> 4));

break;

case 2:

a.push(String.fromCharCode((15 & r) << 4 | n >> 2));

break;

case 3:

a.push(String.fromCharCode((3 & r) << 6 | n))

}

r = n,

t++

}

return a.join("")

}

}

function ord(e) {

var t = "" + e

, n = t.charCodeAt(0);

if (n >= 55296 && n <= 56319) {

var r = n;

return 1 === t.length ? n : 1024 * (r - 55296) + (t.charCodeAt(1) - 56320) + 65536

}

return n

}