netpower-js/lib/antib/index.js

A common library that can be used for fe and be

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
// eslint-disable-next-line @typescript-eslint/no-var-requires
var RandExp = require('randexp');
var otplib_1 = require("otplib");
var SECRET = 'KVKFKRCPNZQUYMLXOVYDSQKJKZDTSRLD';
var reg = /[a-zA-Z]{2,6}-[1-9]{2,4}-[a-zA-Z]{2,6}/;
otplib_1.totp.options = { digits: 8, step: 30 };
var Antib = /** @class */ (function () {
    function Antib() {
    }
    Antib.generate = function (secret) {
        var exp = new RandExp(reg);
        var key = exp.gen();
        var token = otplib_1.totp.generate(secret !== null && secret !== void 0 ? secret : SECRET);
        return {
            key: key, value: token
        };
    };
    Antib.intercept = function (req, secret) {
        var pair = Antib.generate(secret !== null && secret !== void 0 ? secret : SECRET);
        req.headers[pair.key] = pair.value;
    };
    Antib.guard = function (headers, secret) {
        var key = Object.keys(headers).find(function (k) {
            var exp = new RegExp(reg, 'i');
            var matched = exp.test(k);
            return matched;
        });
        if (!key)
            return false;
        var verified = otplib_1.totp.verify({
            token: headers[key],
            secret: secret !== null && secret !== void 0 ? secret : SECRET
        });
        return verified;
    };
    return Antib;
}());
exports.default = Antib;
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