// ==UserScript==
// @name         某瓜视频电影密钥获取
// @namespace    https://94cat.com/
// @version      0.2
// @description  获取某瓜视频 电影视频 解密密钥
// @author       mz
// @match        https://www.ixigua.com/*
// @icon         data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @run-at       document-start
// @license      GPL v3
// @grant        GM_registerMenuCommand
// @grant        GM_setClipboard
// ==/UserScript==
(function () {
'use strict';
const key = [];
const _xhrOpen = XMLHttpRequest.prototype.open;
XMLHttpRequest.prototype.open = function (method) {
method = method.toUpperCase();
this.addEventListener("readystatechange", function (event) {
if (this.status != 200) { return; }
if (typeof this.response != "object") { return; }
if (!this.response || !this._data || !this.response?.play_licenses) { return; }
const _data = JSON.parse(this._data);
const vid = _data.license_request[0].vid;
const kids = _data.license_request[0].kids;
const base64Key = this.response?.play_licenses[vid][kids];
base64Key && key.push(Wc(atob(base64Key)));
});
_xhrOpen.apply(this, arguments);
}
XMLHttpRequest.prototype.open.toString = function () {
return _xhrOpen.toString();
}
GM_registerMenuCommand("获取密钥", function () {
if(key.length){
GM_setClipboard(key.join("\n"), "text", ()=>{
alert("已经复制密钥");
});
}else{
alert("未获取到密钥");
}
});
function Wc(e, t) {
var n = arguments.length > 2 && void 0 !== arguments[2] ? arguments[2] : 1
, r = e;
t = t || r.length;
var i = mc(r, t)
, a = i.convertKey
, o = i.convertLen;
switch (i.methodLen,
i.method) {
case "11":
case "22":
case "appdevice":
case "webdevice":
a = yc(a, o, n);
break;
case "app_v2":
case "web_v2":
a = Jc(a, o, n)
}
var l = o - Vc(a[0]) - 1
, U = new Array(l + 1);
U[l] = "";
var d = 0;
for (d = 0; d < l; d++)
U[d] = a[d + 1];
return U.join("")
}
function Jc(e, t, n) {
var r = 85
, i = 250;
kc(e);
for (var a, o, l, U = 0; U < t; U++) {
(l = e[U].charCodeAt(0)) > 127 && (l -= 256),
U % 2 == 1 ? (a = r ^ l,
r = l,
o = i) : (a = i ^ l,
i = l,
o = r),
a > 127 && (a -= 256);
var d = (0 === n ? vc(a, U, 21) : Zc(a, U, 21)).charCodeAt(0);
d > 127 && (d -= 256);
var c = d - o;
c < 0 && (c += 256),
e[U] = String.fromCharCode(c)
}
return kc(e),
e
}
function mc(e, t) {
var n, r = (e[0].charCodeAt() ^ e[1].charCodeAt() ^ e[2].charCodeAt()) - "0".charCodeAt(0), i = t - r - 1, a = new Array(i), o = new Array(r);
for (n = r; n > 0; n--)
o[r - n] = String.fromCharCode(e[t - r - 2].charCodeAt() ^ e[t - r - 1].charCodeAt() ^ e[t - n].charCodeAt());
for (n = 0; n < i; n++)
a[n] = e[n + 1];
return {
convertKey: a,
convertLen: i,
method: o.join(""),
methodLen: r
}
}
function kc(e) {
for (var t, n = e.length, r = 0; r < n && r !== n - 1; r += 2)
t = e[r],
e[r] = e[r + 1],
e[r + 1] = t;
return e
}
function Zc(e, t, n) {
var r = e + Sc(t) + n;
return String.fromCharCode(255 & r)
}
function Sc(e) {
var t = 0;
for (t = 0; 0 !== e; t++)
e &= e - 1;
return t
}
function Vc(e) {
return e >= "0" && e <= "9" ? e.charCodeAt(0) - "0".charCodeAt(0) : e >= "a" && e <= "z" ? e.charCodeAt(0) - "a".charCodeAt(0) + 10 : 255
}
})();