queueitHelpers.ts

import * as crypto from 'js-sha256';

const CLOUDFLARE_SDK_VERSION = "1.2.3";
declare var window: any;

export function getParameterByName(url: string, name: string) {
    if (!url) url = window.location.href;
    name = name.replace(/[\[\]]/g, '\\$&');
    const regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)'),
        results = regex.exec(url);
    if (!results) return null;
    if (!results[2]) return '';
    return decodeURIComponent(results[2].replace(/\+/g, ' '));
}
export function configureKnownUserHashing(utils: any) {
    utils.generateSHA256Hash = function (secretKey: string, stringToHash: string) {
        return crypto.sha256.hmac(secretKey, stringToHash);
    };
}
export function addKUPlatformVersion(redirectQueueUrl: string) {
    return redirectQueueUrl + "&kupver=cloudflare-" + CLOUDFLARE_SDK_VERSION;
}
export function hex2bin(str: string) {
    var len = str.length;
    var rv = '';
    var i = 0;

    var c1;
    var c2;

    while (len > 1) {
        let h1 = str.charAt(i++);
        c1 = h1.charCodeAt(0);
        let h2 = str.charAt(i++);
        c2 = h2.charCodeAt(0);

        rv += String.fromCharCode((_hex2bin[c1] << 4) + _hex2bin[c2]);
        len -= 2;
    }

    return rv;
}
export function bin2hex(s: string) {
    //  discuss at: https://locutus.io/php/bin2hex/
    // original by: Kevin van Zonneveld (https://kvz.io)
    // bugfixed by: Onno Marsman (https://twitter.com/onnomarsman)
    // bugfixed by: Linuxworld
    // improved by: ntoniazzi (https://locutus.io/php/bin2hex:361#comment_177616)
    //   example 1: bin2hex('Kev')
    //   returns 1: '4b6576'
    //   example 2: bin2hex(String.fromCharCode(0x00))
    //   returns 2: '00'

    var i;
    var l;
    var o = '';
    var n;

    s += '';

    for (i = 0, l = s.length; i < l; i++) {
        n = s.charCodeAt(i)
            .toString(16)
        o += n.length < 2 ? '0' + n : n
    }

    return o;
}
// $CVSHeader: _freebeer/www/lib/bin2hex.js,v 1.2 2004/03/07 17:51:35 ross Exp $

// Copyright (c) 2002-2004, Ross Smith.  All rights reserved.
// Licensed under the BSD or LGPL License. See license.txt for details.


const _hex2bin = [
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 0, // 0-9
    0, 10, 11, 12, 13, 14, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, // A-F
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 10, 11, 12, 13, 14, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, // a-f
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
];