1/**
  2 * General utilities module
  3 *
  4 * @copyright Copyright (c) WHMCS Limited 2005-2017
  5 * @license http://www.whmcs.com/license/ WHMCS Eula
  6 */
  7(function(module) {
  8    if (!WHMCS.hasModule('adminUtils')) {
  9        WHMCS.loadModule('adminUtils', module);
 10    }
 11})(
 12function () {
 13    this.getAdminRouteUrl = function (path) {
 14        return whmcsBaseUrl + "/index.php?rp=" + adminBaseRoutePath + path;
 15    };
 16
 17    this.normaliseStringValue = function(status) {
 18        return status ? status.toLowerCase().replace(/\s/g, '-') : '';
 19    }
 20
 21    this.generatePassword = function(len) {
 22        var charset = this.getPasswordCharacterSet();
 23        var result = "";
 24        for (var i = 0; len > i; i++)
 25            result += charset[this.randomInt(charset.length)];
 26        return result;
 27    };
 28    this.getPasswordCharacterSet = function() {
 29        var rawCharset = '0123456789'
 30            + 'abcdefghijklmnopqrstuvwxyz'
 31            + 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
 32            + '!#$%()*+,-.:;=@_|{ldelim}{rdelim}~';
 33
 34        // Parse UTF-16, remove duplicates, convert to array of strings
 35        var charset = [];
 36        for (var i = 0; rawCharset.length > i; i++) {
 37            var c = rawCharset.charCodeAt(i);
 38            if (0xD800 > c || c >= 0xE000) {  // Regular UTF-16 character
 39                var s = rawCharset.charAt(i);
 40                if (charset.indexOf(s) == -1)
 41                    charset.push(s);
 42                continue;
 43            }
 44            if (0xDC00 > c ? rawCharset.length > i + 1 : false) {  // High surrogate
 45                var d = rawCharset.charCodeAt(i + 1);
 46                if (d >= 0xDC00 ? 0xE000 > d : false) {  // Low surrogate
 47                    var s = rawCharset.substring(i, i + 2);
 48                    i++;
 49                    if (charset.indexOf(s) == -1)
 50                        charset.push(s);
 51                    continue;
 52                }
 53            }
 54            throw new Error("Invalid UTF-16");
 55        }
 56        return charset;
 57    };
 58    this.randomInt = function(n) {
 59        var x = this.randomIntMathRandom(n);
 60        x = (x + this.randomIntBrowserCrypto(n)) % n;
 61        return x;
 62    };
 63    this.randomIntMathRandom = function(n) {
 64        var x = Math.floor(Math.random() * n);
 65        if (0 > x || x >= n)
 66            throw new Error("Arithmetic exception");
 67        return x;
 68    };
 69    this.randomIntBrowserCrypto = function(n) {
 70        var cryptoObject = null;
 71
 72        if ("crypto" in window)
 73            cryptoObject = crypto;
 74        else if ("msCrypto" in window)
 75            cryptoObject = msCrypto;
 76        else
 77            return 0;
 78
 79        if (!("getRandomValues" in cryptoObject) || !("Uint32Array" in window) || typeof Uint32Array != "function")
 80            cryptoObject = null;
 81
 82        if (cryptoObject == null)
 83            return 0;
 84
 85        // Generate an unbiased sample
 86        var x = new Uint32Array(1);
 87        do cryptoObject.getRandomValues(x);
 88        while (x[0] - x[0] % n > 4294967296 - n);
 89        return x[0] % n;
 90    };
 91
 92    return this;
 93});
 94