@genshin-kit/core/lib/module/_getDS.js

An API wrapper for fetching player data of Genshin Impact from any servers.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports._getDS = void 0;
const tslib_1 = require("tslib");
const crypto_1 = (0, tslib_1.__importDefault)(require("crypto"));
const url_1 = require("url");
/**
 * @function _getDS get DynamicSecret
 */
function _getDS({ query, body }) {
    switch (this.serverType) {
        case 'os':
            return getOsDS('6s25p5ox5y14umn1p61aqyyvbvvl3lrt');
        case 'cn':
        default:
            return getCnDS({ query, body });
    }
}
exports._getDS = _getDS;
// 生成随机字符串
function randomString(e) {
    const s = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
    const res = [];
    for (let i = 0; i < e; ++i) {
        res.push(s[Math.floor(Math.random() * s.length)]);
    }
    return res.join('');
}
// 按首字母排序 object
function sortKeys(obj) {
    const copy = {};
    const allKeys = Object.keys(obj).sort();
    allKeys.forEach((key) => {
        copy[key] = obj[key];
    });
    return copy;
}
function getOsDS(salt) {
    const time = Math.floor(Date.now() / 1000);
    const random = randomString(6);
    const c = crypto_1.default
        .createHash('md5')
        .update(`salt=${salt}&t=${time}&r=${random}`)
        .digest('hex');
    return `${time},${random},${c}`;
}
function getCnDS({ query, body, }) {
    const salt = 'xV8v4Qu54lUKrEYFZkJhB8cuOh9Asafs';
    const time = Math.floor(Date.now() / 1000);
    // Integer between 100000 - 200000
    const random = Math.floor(Math.random() * (200000 - 100000 + 1)) + 100000;
    const b = body ? JSON.stringify(sortKeys(body)) : '';
    const q = query ? new url_1.URLSearchParams(sortKeys(query)) : '';
    const check = crypto_1.default
        .createHash('md5')
        .update(`salt=${salt}&t=${time}&r=${random}&b=${b}&q=${q}`)
        .digest('hex');
    const dynamic = `${time},${random},${check}`;
    return dynamic;
}
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