RSSHub/lib/v2/bilibili/utils.js

85 lines
2.2 KiB
JavaScript

const md5 = require('@/utils/md5');
const CryptoJS = require('crypto-js');
function iframe(aid, page, bvid) {
return `<iframe src="https://player.bilibili.com/player.html?${bvid ? `bvid=${bvid}` : `aid=${aid}`}${
page ? `&page=${page}` : ''
}&high_quality=1&autoplay=0" width="650" height="477" scrolling="no" border="0" frameborder="no" framespacing="0" allowfullscreen="true"></iframe>`;
}
// a
function randomHexStr(length) {
let string = '';
for (let r = 0; r < length; r++) {
string += dec2HexUpper(16 * Math.random());
}
return padStringWithZeros(string, length);
}
// o
function dec2HexUpper(e) {
return Math.ceil(e).toString(16).toUpperCase();
}
// s
function padStringWithZeros(string, length) {
let padding = '';
if (string.length < length) {
for (let n = 0; n < length - string.length; n++) {
padding += '0';
}
}
return padding + string;
}
function lsid() {
const e = Date.now().toString(16).toUpperCase();
const lsid = randomHexStr(8) + '_' + e;
return lsid;
}
function _uuid() {
const e = randomHexStr(8);
const t = randomHexStr(4);
const r = randomHexStr(4);
const n = randomHexStr(4);
const o = randomHexStr(12);
const i = Date.now();
return e + '-' + t + '-' + r + '-' + n + '-' + o + padStringWithZeros((i % 100000).toString(), 5) + 'infoc';
}
// P
function shiftCharByOne(string) {
let shiftedStr = '';
for (let n = 0; n < string.length; n++) {
shiftedStr += String.fromCharCode(string.charCodeAt(n) - 1);
}
return shiftedStr;
}
// o
function hexsign(e) {
const n = 'YhxToH[2q';
const r = CryptoJS.HmacSHA256('ts'.concat(e), shiftCharByOne(n));
const o = CryptoJS.enc.Hex.stringify(r);
return o;
}
function addVerifyInfo(params, verifyString) {
const searchParams = new URLSearchParams(params);
searchParams.sort();
const verifyParam = searchParams.toString();
const wts = Math.round(Date.now() / 1000);
const w_rid = md5(`${verifyParam}&wts=${wts}${verifyString}`);
return `${params}&w_rid=${w_rid}&wts=${wts}`;
}
module.exports = {
iframe,
lsid,
_uuid,
hexsign,
addVerifyInfo,
bvidTime: 1589990400,
};