OwlCyberSecurity - MANAGER

Edit File: isBase64.js

import assertString from './util/assertString'; import merge from './util/merge'; var notBase64 = /[^A-Z0-9+\/=]/i; var urlSafeBase64 = /^[A-Z0-9_\-]*$/i; var defaultBase64Options = { urlSafe: false }; export default function isBase64(str, options) { assertString(str); options = merge(options, defaultBase64Options); var len = str.length; if (options.urlSafe) { return urlSafeBase64.test(str); } if (len % 4 !== 0 || notBase64.test(str)) { return false; } var firstPaddingChar = str.indexOf('='); return firstPaddingChar === -1 || firstPaddingChar === len - 1 || firstPaddingChar === len - 2 && str[len - 1] === '='; }