oidc-client-rx/dist/flows/random/random.service.js

ReactiveX enhanced OIDC and OAuth2 protocol support for browser-based JavaScript applications

import { Injectable, inject } from "injection-js";
import { LoggerService } from "../../logging/logger.service.js";
import { CryptoService } from "../../utils/crypto/crypto.service.js";
function _ts_decorate(decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : null === desc ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if ("object" == typeof Reflect && "function" == typeof Reflect.decorate) r = Reflect.decorate(decorators, target, key, desc);
    else for(var i = decorators.length - 1; i >= 0; i--)if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
}
class RandomService {
    createRandom(requiredLength, configuration) {
        if (requiredLength <= 0) return "";
        if (requiredLength > 0 && requiredLength < 7) {
            this.loggerService.logWarning(configuration, `RandomService called with ${requiredLength} but 7 chars is the minimum, returning 10 chars`);
            requiredLength = 10;
        }
        const length = requiredLength - 6;
        const arr = new Uint8Array(Math.floor(length / 2));
        const crypto = this.cryptoService.getCrypto();
        if (crypto) crypto.getRandomValues(arr);
        return Array.from(arr, this.toHex).join("") + this.randomString(7);
    }
    toHex(dec) {
        return `0${dec.toString(16)}`.substr(-2);
    }
    randomString(length) {
        let result = "";
        const characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
        const values = new Uint32Array(length);
        const crypto = this.cryptoService.getCrypto();
        if (crypto) {
            crypto.getRandomValues(values);
            for(let i = 0; i < length; i++)result += characters[values[i] % characters.length];
        }
        return result;
    }
    constructor(){
        this.loggerService = inject(LoggerService);
        this.cryptoService = inject(CryptoService);
    }
}
RandomService = _ts_decorate([
    Injectable()
], RandomService);
export { RandomService };