angular-auth-oidc-client
Version:
Angular Lib for OpenID Connect & OAuth2
48 lines • 6.86 kB
JavaScript
import { Injectable } from '@angular/core';
import * as i0 from "@angular/core";
import * as i1 from "../../utils/crypto/crypto-service";
import * as i2 from "../../logging/logger.service";
export class RandomService {
constructor(cryptoService, loggerService) {
this.cryptoService = cryptoService;
this.loggerService = loggerService;
}
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;
}
}
RandomService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "14.1.0", ngImport: i0, type: RandomService, deps: [{ token: i1.CryptoService }, { token: i2.LoggerService }], target: i0.ɵɵFactoryTarget.Injectable });
RandomService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "14.1.0", ngImport: i0, type: RandomService });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "14.1.0", ngImport: i0, type: RandomService, decorators: [{
type: Injectable
}], ctorParameters: function () { return [{ type: i1.CryptoService }, { type: i2.LoggerService }]; } });
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