案例一 xx音乐
前言
aHR0cHM6Ly93d3cua3V3by5jbi9zZWFyY2gvbGlzdD9rZXk9JUU5JTlEJTkyJUU4JThBJUIx
是一个加载器和模块分离开来的情景
一、分析加密参数 reqId
直接打上含有music/playUrl的xhr断点 
顺着堆栈往上找 
结果发现是113模块 
既然找到了模块,就先扣下来看看~
二、扣模块代码
js
(window.webpackJsonp = window.webpackJsonp || []).push([[32],
{
113: function (e, t, r) {
var n, o, l = r(148), c = r(149), d = 0, h = 0;
e.exports = function (e, t, r) {
var i = t && r || 0
, b = t || []
, f = (e = e || {}).node || n
, v = void 0 !== e.clockseq ? e.clockseq : o;
if (null == f || null == v) {
var m = l();
null == f && (f = n = [1 | m[0], m[1], m[2], m[3], m[4], m[5]]),
null == v && (v = o = 16383 & (m[6] << 8 | m[7]))
}
var y = void 0 !== e.msecs ? e.msecs : (new Date).getTime()
, w = void 0 !== e.nsecs ? e.nsecs : h + 1
, dt = y - d + (w - h) / 1e4;
if (dt < 0 && void 0 === e.clockseq && (v = v + 1 & 16383),
(dt < 0 || y > d) && void 0 === e.nsecs && (w = 0),
w >= 1e4)
throw new Error("uuid.v1(): Can't create more than 10M uuids/sec");
d = y,
h = w,
o = v;
var A = (1e4 * (268435455 & (y += 122192928e5)) + w) % 4294967296;
b[i++] = A >>> 24 & 255,
b[i++] = A >>> 16 & 255,
b[i++] = A >>> 8 & 255,
b[i++] = 255 & A;
var x = y / 4294967296 * 1e4 & 268435455;
b[i++] = x >>> 8 & 255,
b[i++] = 255 & x,
b[i++] = x >>> 24 & 15 | 16,
b[i++] = x >>> 16 & 255,
b[i++] = v >>> 8 | 128,
b[i++] = 255 & v;
for (var T = 0; T < 6; ++T)
b[i + T] = f[T];
return t || c(b)
}
},
148: function (e, t) {
var r = "undefined" != typeof crypto && crypto.getRandomValues && crypto.getRandomValues.bind(crypto) || "undefined" != typeof msCrypto && "function" == typeof window.msCrypto.getRandomValues && msCrypto.getRandomValues.bind(msCrypto);
if (r) {
var n = new Uint8Array(16);
e.exports = function () {
return r(n),
n
}
} else {
var o = new Array(16);
e.exports = function () {
for (var e, i = 0; i < 16; i++)
3 & i || (e = 4294967296 * Math.random()),
o[i] = e >>> ((3 & i) << 3) & 255;
return o
}
}
},
149: function (e, t) {
for (var r = [], i = 0; i < 256; ++i)
r[i] = (i + 256).toString(16).substr(1);
e.exports = function (e, t) {
var i = t || 0
, n = r;
return [n[e[i++]], n[e[i++]], n[e[i++]], n[e[i++]], "-", n[e[i++]], n[e[i++]], "-", n[e[i++]], n[e[i++]], "-", n[e[i++]], n[e[i++]], "-", n[e[i++]], n[e[i++]], n[e[i++]], n[e[i++]], n[e[i++]], n[e[i++]]].join("")
}
},
}]);一眼没看到加载器 😭,说明不简单!!!
那就继续找加载器!
三、寻找加载器
断点给到 var n, o, l = r(148), c = r(149), d = 0, h = 0;


扣代码
js
!function(e) {
function r(data) {
for (var r, n, f = data[0], l = data[1], d = data[2], i = 0, v = []; i < f.length; i++)
n = f[i],
Object.prototype.hasOwnProperty.call(o, n) && o[n] && v.push(o[n][0]),
o[n] = 0;
for (r in l)
Object.prototype.hasOwnProperty.call(l, r) && (e[r] = l[r]);
for (h && h(data); v.length; )
v.shift()();
return c.push.apply(c, d || []),
t()
}
function t() {
for (var e, i = 0; i < c.length; i++) {
for (var r = c[i], t = !0, n = 1; n < r.length; n++) {
var l = r[n];
0 !== o[l] && (t = !1)
}
t && (c.splice(i--, 1),
e = f(f.s = r[0]))
}
return e
}
var n = {}
, o = {
31: 0
}
, c = [];
function f(r) {
if (n[r])
return n[r].exports;
var t = n[r] = {
i: r,
l: !1,
exports: {}
};
return e[r].call(t.exports, t, t.exports, f),
t.l = !0,
t.exports
}
f.e = function(e) {
var r = []
, t = o[e];
if (0 !== t)
if (t)
r.push(t[2]);
else {
var n = new Promise((function(r, n) {
t = o[e] = [r, n]
}
));
r.push(t[2] = n);
var c, script = document.createElement("script");
script.charset = "utf-8",
script.timeout = 120,
f.nc && script.setAttribute("nonce", f.nc),
script.src = function(e) {
return f.p + "" + {
0: "b7b2af8",
1: "2e7a6aa",
4: "8c9b5e8",
5: "c152b03",
6: "d45c223",
7: "afdc26c",
8: "a5a7763",
9: "71bde06",
10: "74c743d",
11: "0d21c3c",
12: "7723389",
13: "03af811",
14: "e3e31ae",
15: "dbf836b",
16: "c33bd0a",
17: "3446ac0",
18: "3218e51",
19: "413f09d",
20: "907862f",
21: "91b31c2",
22: "07aa6ad",
23: "f4b4dd3",
24: "ceded12",
25: "81a2f6c",
26: "14f104c",
27: "527b93f",
28: "f6040d2",
29: "a622043",
30: "7704cc4",
33: "5e0685f"
}[e] + ".js"
}(e);
var l = new Error;
c = function(r) {
script.onerror = script.onload = null,
clearTimeout(d);
var t = o[e];
if (0 !== t) {
if (t) {
var n = r && ("load" === r.type ? "missing" : r.type)
, c = r && r.target && r.target.src;
l.message = "Loading chunk " + e + " failed.\n(" + n + ": " + c + ")",
l.name = "ChunkLoadError",
l.type = n,
l.request = c,
t[1](l)
}
o[e] = void 0
}
}
;
var d = setTimeout((function() {
c({
type: "timeout",
target: script
})
}
), 12e4);
script.onerror = script.onload = c,
document.head.appendChild(script)
}
return Promise.all(r)
}
,
f.m = e,
f.c = n,
f.d = function(e, r, t) {
f.o(e, r) || Object.defineProperty(e, r, {
enumerable: !0,
get: t
})
}
,
f.r = function(e) {
"undefined" != typeof Symbol && Symbol.toStringTag && Object.defineProperty(e, Symbol.toStringTag, {
value: "Module"
}),
Object.defineProperty(e, "__esModule", {
value: !0
})
}
,
f.t = function(e, r) {
if (1 & r && (e = f(e)),
8 & r)
return e;
if (4 & r && "object" == typeof e && e && e.__esModule)
return e;
var t = Object.create(null);
if (f.r(t),
Object.defineProperty(t, "default", {
enumerable: !0,
value: e
}),
2 & r && "string" != typeof e)
for (var n in e)
f.d(t, n, function(r) {
return e[r]
}
.bind(null, n));
return t
}
,
f.n = function(e) {
var r = e && e.__esModule ? function() {
return e.default
}
: function() {
return e
}
;
return f.d(r, "a", r),
r
}
,
f.o = function(object, e) {
return Object.prototype.hasOwnProperty.call(object, e)
}
,
f.p = "https://h5s.kuwo.cn/www/kw-www/",
f.oe = function(e) {
throw console.error(e),
e
}
;
var l = window.webpackJsonp = window.webpackJsonp || []
, d = l.push.bind(l);
l.push = r,
l = l.slice();
for (var i = 0; i < l.length; i++)
r(l[i]);
var h = d;
t()
}([]);四、导出加载器
运行代码,发现确实window
var window = {};
怎么导出加载器呢? (咱们在上一讲已经说过,详细的可以过去看,这里直接操作了)
只需写一个全局对象 wp_r
让 wp_r = 加载器 即可
完整代码
js
var window = {};
var wp_r;
!function (e) {
function r(data) {
for (var r, n, f = data[0], l = data[1], d = data[2], i = 0, v = []; i < f.length; i++)
n = f[i],
Object.prototype.hasOwnProperty.call(o, n) && o[n] && v.push(o[n][0]),
o[n] = 0;
for (r in l)
Object.prototype.hasOwnProperty.call(l, r) && (e[r] = l[r]);
for (h && h(data); v.length;)
v.shift()();
return c.push.apply(c, d || []),
t()
}
function t() {
for (var e, i = 0; i < c.length; i++) {
for (var r = c[i], t = !0, n = 1; n < r.length; n++) {
var l = r[n];
0 !== o[l] && (t = !1)
}
t && (c.splice(i--, 1),
e = f(f.s = r[0]))
}
return e
}
var n = {}
, o = {
31: 0
}
, c = [];
function f(r) {
console.log("========================================")
console.log(r)
if (n[r])
return n[r].exports;
var t = n[r] = {
i: r,
l: !1,
exports: {}
};
return e[r].call(t.exports, t, t.exports, f),
t.l = !0,
t.exports
}
wp_r = f;
f.e = function (e) {
var r = []
, t = o[e];
if (0 !== t)
if (t)
r.push(t[2]);
else {
var n = new Promise((function (r, n) {
t = o[e] = [r, n]
}
));
r.push(t[2] = n);
var c, script = document.createElement("script");
script.charset = "utf-8",
script.timeout = 120,
f.nc && script.setAttribute("nonce", f.nc),
script.src = function (e) {
return f.p + "" + {
0: "b7b2af8",
1: "2e7a6aa",
4: "8c9b5e8",
5: "c152b03",
6: "d45c223",
7: "afdc26c",
8: "a5a7763",
9: "71bde06",
10: "74c743d",
11: "0d21c3c",
12: "7723389",
13: "03af811",
14: "e3e31ae",
15: "dbf836b",
16: "c33bd0a",
17: "3446ac0",
18: "3218e51",
19: "413f09d",
20: "907862f",
21: "91b31c2",
22: "07aa6ad",
23: "f4b4dd3",
24: "ceded12",
25: "81a2f6c",
26: "14f104c",
27: "527b93f",
28: "f6040d2",
29: "a622043",
30: "7704cc4",
33: "5e0685f"
}[e] + ".js"
}(e);
var l = new Error;
c = function (r) {
script.onerror = script.onload = null,
clearTimeout(d);
var t = o[e];
if (0 !== t) {
if (t) {
var n = r && ("load" === r.type ? "missing" : r.type)
, c = r && r.target && r.target.src;
l.message = "Loading chunk " + e + " failed.\n(" + n + ": " + c + ")",
l.name = "ChunkLoadError",
l.type = n,
l.request = c,
t[1](l)
}
o[e] = void 0
}
}
;
var d = setTimeout((function () {
c({
type: "timeout",
target: script
})
}
), 12e4);
script.onerror = script.onload = c,
document.head.appendChild(script)
}
return Promise.all(r)
}
,
f.m = e,
f.c = n,
f.d = function (e, r, t) {
f.o(e, r) || Object.defineProperty(e, r, {
enumerable: !0,
get: t
})
}
,
f.r = function (e) {
"undefined" != typeof Symbol && Symbol.toStringTag && Object.defineProperty(e, Symbol.toStringTag, {
value: "Module"
}),
Object.defineProperty(e, "__esModule", {
value: !0
})
}
,
f.t = function (e, r) {
if (1 & r && (e = f(e)),
8 & r)
return e;
if (4 & r && "object" == typeof e && e && e.__esModule)
return e;
var t = Object.create(null);
if (f.r(t),
Object.defineProperty(t, "default", {
enumerable: !0,
value: e
}),
2 & r && "string" != typeof e)
for (var n in e)
f.d(t, n, function (r) {
return e[r]
}
.bind(null, n));
return t
}
,
f.n = function (e) {
var r = e && e.__esModule ? function () {
return e.default
}
: function () {
return e
}
;
return f.d(r, "a", r),
r
}
,
f.o = function (object, e) {
return Object.prototype.hasOwnProperty.call(object, e)
}
,
f.p = "https://h5s.kuwo.cn/www/kw-www/",
f.oe = function (e) {
throw console.error(e),
e
}
;
var l = window.webpackJsonp = window.webpackJsonp || []
, d = l.push.bind(l);
l.push = r,
l = l.slice();
for (var i = 0; i < l.length; i++)
r(l[i]);
var h = d;
t()
}([]);五、补充所需模块
方案一 直接传参补充
完整代码
js
var window = {};
var wp_r;
!function (e) {
function r(data) {
for (var r, n, f = data[0], l = data[1], d = data[2], i = 0, v = []; i < f.length; i++)
n = f[i],
Object.prototype.hasOwnProperty.call(o, n) && o[n] && v.push(o[n][0]),
o[n] = 0;
for (r in l)
Object.prototype.hasOwnProperty.call(l, r) && (e[r] = l[r]);
for (h && h(data); v.length;)
v.shift()();
return c.push.apply(c, d || []),
t()
}
function t() {
for (var e, i = 0; i < c.length; i++) {
for (var r = c[i], t = !0, n = 1; n < r.length; n++) {
var l = r[n];
0 !== o[l] && (t = !1)
}
t && (c.splice(i--, 1),
e = f(f.s = r[0]))
}
return e
}
var n = {}
, o = {
31: 0
}
, c = [];
function f(r) {
console.log("========================================")
console.log(r)
if (n[r])
return n[r].exports;
var t = n[r] = {
i: r,
l: !1,
exports: {}
};
return e[r].call(t.exports, t, t.exports, f),
t.l = !0,
t.exports
}
wp_r = f;
f.e = function (e) {
var r = []
, t = o[e];
if (0 !== t)
if (t)
r.push(t[2]);
else {
var n = new Promise((function (r, n) {
t = o[e] = [r, n]
}
));
r.push(t[2] = n);
var c, script = document.createElement("script");
script.charset = "utf-8",
script.timeout = 120,
f.nc && script.setAttribute("nonce", f.nc),
script.src = function (e) {
return f.p + "" + {
0: "b7b2af8",
1: "2e7a6aa",
4: "8c9b5e8",
5: "c152b03",
6: "d45c223",
7: "afdc26c",
8: "a5a7763",
9: "71bde06",
10: "74c743d",
11: "0d21c3c",
12: "7723389",
13: "03af811",
14: "e3e31ae",
15: "dbf836b",
16: "c33bd0a",
17: "3446ac0",
18: "3218e51",
19: "413f09d",
20: "907862f",
21: "91b31c2",
22: "07aa6ad",
23: "f4b4dd3",
24: "ceded12",
25: "81a2f6c",
26: "14f104c",
27: "527b93f",
28: "f6040d2",
29: "a622043",
30: "7704cc4",
33: "5e0685f"
}[e] + ".js"
}(e);
var l = new Error;
c = function (r) {
script.onerror = script.onload = null,
clearTimeout(d);
var t = o[e];
if (0 !== t) {
if (t) {
var n = r && ("load" === r.type ? "missing" : r.type)
, c = r && r.target && r.target.src;
l.message = "Loading chunk " + e + " failed.\n(" + n + ": " + c + ")",
l.name = "ChunkLoadError",
l.type = n,
l.request = c,
t[1](l)
}
o[e] = void 0
}
}
;
var d = setTimeout((function () {
c({
type: "timeout",
target: script
})
}
), 12e4);
script.onerror = script.onload = c,
document.head.appendChild(script)
}
return Promise.all(r)
}
,
f.m = e,
f.c = n,
f.d = function (e, r, t) {
f.o(e, r) || Object.defineProperty(e, r, {
enumerable: !0,
get: t
})
}
,
f.r = function (e) {
"undefined" != typeof Symbol && Symbol.toStringTag && Object.defineProperty(e, Symbol.toStringTag, {
value: "Module"
}),
Object.defineProperty(e, "__esModule", {
value: !0
})
}
,
f.t = function (e, r) {
if (1 & r && (e = f(e)),
8 & r)
return e;
if (4 & r && "object" == typeof e && e && e.__esModule)
return e;
var t = Object.create(null);
if (f.r(t),
Object.defineProperty(t, "default", {
enumerable: !0,
value: e
}),
2 & r && "string" != typeof e)
for (var n in e)
f.d(t, n, function (r) {
return e[r]
}
.bind(null, n));
return t
}
,
f.n = function (e) {
var r = e && e.__esModule ? function () {
return e.default
}
: function () {
return e
}
;
return f.d(r, "a", r),
r
}
,
f.o = function (object, e) {
return Object.prototype.hasOwnProperty.call(object, e)
}
,
f.p = "https://h5s.kuwo.cn/www/kw-www/",
f.oe = function (e) {
throw console.error(e),
e
}
;
var l = window.webpackJsonp = window.webpackJsonp || []
, d = l.push.bind(l);
l.push = r,
l = l.slice();
for (var i = 0; i < l.length; i++)
r(l[i]);
var h = d;
t()
}({
113: function (e, t, r) {
var n, o, l = r(148), c = r(149), d = 0, h = 0;
e.exports = function (e, t, r) {
var i = t && r || 0
, b = t || []
, f = (e = e || {}).node || n
, v = void 0 !== e.clockseq ? e.clockseq : o;
if (null == f || null == v) {
var m = l();
null == f && (f = n = [1 | m[0], m[1], m[2], m[3], m[4], m[5]]),
null == v && (v = o = 16383 & (m[6] << 8 | m[7]))
}
var y = void 0 !== e.msecs ? e.msecs : (new Date).getTime()
, w = void 0 !== e.nsecs ? e.nsecs : h + 1
, dt = y - d + (w - h) / 1e4;
if (dt < 0 && void 0 === e.clockseq && (v = v + 1 & 16383),
(dt < 0 || y > d) && void 0 === e.nsecs && (w = 0),
w >= 1e4)
throw new Error("uuid.v1(): Can't create more than 10M uuids/sec");
d = y,
h = w,
o = v;
var A = (1e4 * (268435455 & (y += 122192928e5)) + w) % 4294967296;
b[i++] = A >>> 24 & 255,
b[i++] = A >>> 16 & 255,
b[i++] = A >>> 8 & 255,
b[i++] = 255 & A;
var x = y / 4294967296 * 1e4 & 268435455;
b[i++] = x >>> 8 & 255,
b[i++] = 255 & x,
b[i++] = x >>> 24 & 15 | 16,
b[i++] = x >>> 16 & 255,
b[i++] = v >>> 8 | 128,
b[i++] = 255 & v;
for (var T = 0; T < 6; ++T)
b[i + T] = f[T];
return t || c(b)
}
},
148: function (e, t) {
var r = "undefined" != typeof crypto && crypto.getRandomValues && crypto.getRandomValues.bind(crypto) || "undefined" != typeof msCrypto && "function" == typeof window.msCrypto.getRandomValues && msCrypto.getRandomValues.bind(msCrypto);
if (r) {
var n = new Uint8Array(16);
e.exports = function () {
return r(n),
n
}
} else {
var o = new Array(16);
e.exports = function () {
for (var e, i = 0; i < 16; i++)
3 & i || (e = 4294967296 * Math.random()),
o[i] = e >>> ((3 & i) << 3) & 255;
return o
}
}
},
149: function (e, t) {
for (var r = [], i = 0; i < 256; ++i)
r[i] = (i + 256).toString(16).substr(1);
e.exports = function (e, t) {
var i = t || 0
, n = r;
return [n[e[i++]], n[e[i++]], n[e[i++]], n[e[i++]], "-", n[e[i++]], n[e[i++]], "-", n[e[i++]], n[e[i++]], "-", n[e[i++]], n[e[i++]], "-", n[e[i++]], n[e[i++]], n[e[i++]], n[e[i++]], n[e[i++]], n[e[i++]]].join("")
}
},
});
function getReqId() {
return wp_r(113)()
}
console.log(getReqId())方案二 拼接补充
完整代码
js
var window = {};
var wp_r;
!function (e) {
function r(data) {
for (var r, n, f = data[0], l = data[1], d = data[2], i = 0, v = []; i < f.length; i++)
n = f[i],
Object.prototype.hasOwnProperty.call(o, n) && o[n] && v.push(o[n][0]),
o[n] = 0;
for (r in l)
Object.prototype.hasOwnProperty.call(l, r) && (e[r] = l[r]);
for (h && h(data); v.length;)
v.shift()();
return c.push.apply(c, d || []),
t()
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