NeteaseCloudMusicApi
NeteaseCloudMusicApi copied to clipboard
Published
20 hours ago •
metowolf
metowolf
关于国外访问api的解码
/*
* 从NeteaseMusicWEB页扒下来的,国外请求加密内容解密方法.
* Authors:Netease
*
*/
function bNj(){
var yE = function (jR) { //定义函数yE,参数jR
if (jR < -128) { //若jR<-128
return yE(128 - (-128 - jR)) //返回yE(jR+256)
} else if (jR >= -128 && jR <= 127) { //若-128≤jR≤127
return jR //返回jR
} else if (jR > 127) { //若jR>127
return yE(-129 + jR - 127) //返回yE(jR-256)
} else { //否则(jR不为数字时)
throw new Error("1001") //错误1001
}
};
var bNi = function (jR, cq) { //定义函数bNi,参数jR,cq
return yE(jR + cq) //返回yE(jR+cq)
};
var bNh = function (QF, biw) { //定义函数bNh,参数(array)QF,(array)biw
if (QF == null) { //若QF==null
return null //返回null
}
if (biw == null) { //若biw==null
return QF //返回QF
}
var pJ = []; //定义(array)pJ
var bNg = biw.length; //定义bNg为biw长度
for (var i = 0, cF = QF.length; i < cF; i++) { //循环,次数为循环一次QF
pJ[i] = bNi(QF[i], biw[i % bNg])
}
return pJ
};
var bNc = function (QM) {
if (QM == null) {
return QM
}
var pJ = [];
var bMX = QM.length;
for (var i = 0, cF = bMX; i < cF; i++) {
pJ[i] = yE(0 - QM[i])
}
return pJ
};
var bMW = function (biP, Iv) {
biP = yE(biP);
Iv = yE(Iv);
return yE(biP ^ Iv)
};
var bvv = function (Iu, bjf) {
if (Iu == null || bjf == null || Iu.length != bjf.length) {
return Iu
}
var pJ = [];
var bMR = Iu.length;
for (var i = 0, cF = bMR; i < cF; i++) {
pJ[i] = bMW(Iu[i], bjf[i])
}
return pJ
};
var bvw = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"];
var bMO = function (ej) {
var ES = [];
ES.push(bvw[ej >>> 4 & 15]);
ES.push(bvw[ej & 15]);
return ES.join("")
};
var bMN = function (Cv) {
var cF = Cv.length;
if (Cv == null || cF < 0) {
return new String("")
}
var ES = [];
for (var i = 0; i < cF; i++) {
ES.push(bMO(Cv[i]))
}
return ES.join("")
};
var bvx = function (QT) {
if (QT == null || QT.length == 0) {
return QT
}
var bjy = new String(QT);
var pJ = [];
var cF = bjy.length / 2;
var cq = 0;
for (var i = 0; i < cF; i++) {
var nS = parseInt(bjy.charAt(cq++), 16) << 4;
var nP = parseInt(bjy.charAt(cq++), 16);
pJ[i] = yE(nS + nP)
}
return pJ
};
var bML = function (dT) {
if (dT == null || dT == undefined) {
return dT
}
var Il = encodeURIComponent(dT);
var Cv = [];
var bvy = Il.length;
for (var i = 0; i < bvy; i++) {
if (Il.charAt(i) == "%") {
if (i + 2 < bvy) {
Cv.push(bvx(Il.charAt(++i) + "" + Il.charAt(++i))[0])
} else {
throw new Error("1009")
}
} else {
Cv.push(Il.charCodeAt(i))
}
}
return Cv
};
var bME = function (uF) {
var cA = 0;
cA += (uF[0] & 255) << 24;
cA += (uF[1] & 255) << 16;
cA += (uF[2] & 255) << 8;
cA += uF[3] & 255;
return cA
};
var cfl = function (cA) {
var uF = [];
uF[0] = cA >>> 24 & 255;
uF[1] = cA >>> 16 & 255;
uF[2] = cA >>> 8 & 255;
uF[3] = cA & 255;
return uF
};
var bMz = function (eR, Vq, cF) {
var kb = [];
if (eR == null || eR.length == 0) {
return kb
}
if (eR.length < cF) {
throw new Error("1003")
}
for (var i = 0; i < cF; i++) {
kb[i] = eR[Vq + i]
}
return kb
};
var Vr = function (eR, Vq, Re, bMx, cF) {
if (eR == null || eR.length == 0) {
return Re
}
if (Re == null) {
throw new Error("1004")
}
if (eR.length < cF) {
throw new Error("1003")
}
for (var i = 0; i < cF; i++) {
Re[bMx + i] = eR[Vq + i]
}
return Re
};
var bMw = function (cF) {
var cH = [];
for (var i = 0; i < cF; i++) {
cH[i] = 0
}
return cH
};
var bMv = [82, 9, 106, -43, 48, 54, -91, 56, -65, 64, -93, -98, -127, -13, -41, -5, 124, -29, 57, -126, -101, 47, -1, -121, 52, -114, 67, 68, -60, -34, -23, -53, 84, 123, -108, 50, -90, -62, 35, 61, -18, 76, -107, 11, 66, -6, -61, 78, 8, 46, -95, 102, 40, -39, 36, -78, 118, 91, -94, 73, 109, -117, -47, 37, 114, -8, -10, 100, -122, 104, -104, 22, -44, -92, 92, -52, 93, 101, -74, -110, 108, 112, 72, 80, -3, -19, -71, -38, 94, 21, 70, 87, -89, -115, -99, -124, -112, -40, -85, 0, -116, -68, -45, 10, -9, -28, 88, 5, -72, -77, 69, 6, -48, 44, 30, -113, -54, 63, 15, 2, -63, -81, -67, 3, 1, 19, -118, 107, 58, -111, 17, 65, 79, 103, -36, -22, -105, -14, -49, -50, -16, -76, -26, 115, -106, -84, 116, 34, -25, -83, 53, -123, -30, -7, 55, -24, 28, 117, -33, 110, 71, -15, 26, 113, 29, 41, -59, -119, 111, -73, 98, 14, -86, 24, -66, 27, -4, 86, 62, 75, -58, -46, 121, 32, -102, -37, -64, -2, 120, -51, 90, -12, 31, -35, -88, 51, -120, 7, -57, 49, -79, 18, 16, 89, 39, -128, -20, 95, 96, 81, 127, -87, 25, -75, 74, 13, 45, -27, 122, -97, -109, -55, -100, -17, -96, -32, 59, 77, -82, 42, -11, -80, -56, -21, -69, 60, -125, 83, -103, 97, 23, 43, 4, 126, -70, 119, -42, 38, -31, 105, 20, 99, 85, 33, 12, 125];
var EH = 64;
var Rk = 64;
var bvB = 4;
var bMq = function (pu) {
var bvF = [];
if (pu == null || pu == undefined || pu.length == 0) {
return bMw(Rk)
}
if (pu.length >= Rk) {
return bMz(pu, 0, Rk)
} else {
for (var i = 0; i < Rk; i++) {
bvF[i] = pu[i % pu.length]
}
}
return bvF
};
var bMj = function (Ru) {
if (Ru == null || Ru.length % EH != 0) {
throw new Error("1005")
}
var VJ = [];
var cq = 0;
var bMh = Ru.length / EH;
for (var i = 0; i < bMh; i++) {
VJ[i] = [];
for (var j = 0; j < EH; j++) {
VJ[i][j] = Ru[cq++]
}
}
return VJ
};
var bMb = function (bvQ) {
var nS = bvQ >>> 4 & 15;
var nP = bvQ & 15;
var cq = nS * 16 + nP;
return bMv[cq]
};
var bvS = function (VU) {
if (VU == null) {
return null
}
var bvU = [];
for (var i = 0, cF = VU.length; i < cF; i++) {
bvU[i] = bMb(VU[i])
}
return bvU
};
var bLS = function (ED, pu) {
if (ED == null) {
return null
}
if (ED.length == 0) {
return []
}
if (ED.length % EH != 0) {
throw new Error("1005")
}
pu = bMq(pu);
var Wc = pu;
var Wd = bMj(ED);
var HL = [];
var bLR = Wd.length;
for (var i = 0; i < bLR; i++) {
var Wm = bvS(Wd[i]);
Wm = bvS(Wm);
var Wn = bvv(Wm, Wc);
var bLO = bNh(Wn, bNc(Wc));
Wn = bvv(bLO, pu);
Vr(Wn, 0, HL, i * EH, EH);
Wc = Wd[i]
}
var bvV = [];
Vr(HL, HL.length - bvB, bvV, 0, bvB);
var cF = bME(bvV);
if (cF > HL.length) {
throw new Error("1006")
}
var pJ = [];
Vr(HL, 0, pJ, 0, cF);
return pJ
};
var bLL = function (Rz, bN) {
if (Rz == null) {
return null
}
var bvW = new String(Rz);
if (bvW.length == 0) {
return []
}
var ED = bvx(bvW);
if (bN == null || bN == undefined) {
throw new Error("1007")
}
var pu = bML(bN);
return bLS(ED, pu)
};
this.bLB = function (Rz, bN) {
if(!bN){
var bN = "fuck~#$%^&*(458";
}
var bLA = bLL(Rz, bN);
var Ww = new String(bMN(bLA));
var RA = [];
var bLr = Ww.length / 2;
var cq = 0;
for (var i = 0; i < bLr; i++) {
RA.push("%");
RA.push(Ww.charAt(cq++));
RA.push(Ww.charAt(cq++))
}
return RA.join("")
}
};
var settmusic = (new bNj).bLB;
exports.decode = function(encodedData){
return JSON.parse(decodeURIComponent(settmusic(encodedData)));
}
还没读完来着,应该可以转换吧。。。
