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('utils')) {
  9        WHMCS.loadModule('utils', module);
 10    }
 11})(
 12function () {
 13    /**
 14     * Not crypto strong; server-side must discard for
 15     * something with more entropy; the value is sufficient
 16     * for strong client-side validation check
 17     */
 18    this.simpleRNG = function () {
 19        var chars = './$_-#!,^*()|';
 20        var r = 0;
 21        for (var i = 0; r < 3; i++) {
 22            r += Math.floor((Math.random() * 10) / 2);
 23        }
 24        r = Math.floor(r);
 25        var s = '';
 26        for (var x = 0; x < r; x++) {
 27            v = (Math.random() + 1).toString(24).split('.')[1];
 28            if ((Math.random()) > 0.5) {
 29                s += btoa(v).substr(0,4)
 30            } else {
 31                s += v
 32            }
 33
 34            if ((Math.random()) > 0.5) {
 35                s += chars.substr(
 36                    Math.floor(Math.random() * 13),
 37                    1
 38                );
 39            }
 40        }
 41
 42        return s;
 43    };
 44
 45    this.getRouteUrl = function (path) {
 46        return whmcsBaseUrl + "/index.php?rp=" + path;
 47    };
 48
 49    this.validateBaseUrl = function() {
 50        if (typeof window.whmcsBaseUrl === 'undefined') {
 51            console.log('Warning: The WHMCS Base URL definition is missing '
 52                + 'from your active template. Please refer to '
 53                + 'https://docs.whmcs.com/WHMCS_Base_URL_Template_Variable '
 54                + 'for more information and details of how to resolve this '
 55                + 'warning.');
 56            window.whmcsBaseUrl = this.autoDetermineBaseUrl();
 57            window.whmcsBaseUrlAutoSet = true;
 58        } else if (window.whmcsBaseUrl === ''
 59            && typeof window.whmcsBaseUrlAutoSet !== 'undefined'
 60            && window.whmcsBaseUrlAutoSet === true
 61        ) {
 62            window.whmcsBaseUrl = this.autoDetermineBaseUrl();
 63        }
 64    };
 65
 66    this.autoDetermineBaseUrl = function() {
 67        var windowLocation = window.location.href;
 68        var phpExtensionLocation = -1;
 69
 70        if (typeof windowLocation !== 'undefined') {
 71            phpExtensionLocation = windowLocation.indexOf('.php');
 72        }
 73
 74        if (phpExtensionLocation === -1) {
 75            windowLocation = jQuery('#Primary_Navbar-Home a').attr('href');
 76            if (typeof windowLocation !== 'undefined') {
 77                phpExtensionLocation = windowLocation.indexOf('.php');
 78            }
 79        }
 80
 81        if (phpExtensionLocation !== -1) {
 82            windowLocation = windowLocation.substring(0, phpExtensionLocation);
 83            var lastTrailingSlash = windowLocation.lastIndexOf('/');
 84            if (lastTrailingSlash !== false) {
 85                return windowLocation.substring(0, lastTrailingSlash);
 86            }
 87        }
 88
 89        return '';
 90    };
 91
 92    this.normaliseStringValue = function(status) {
 93        return status ? status.toLowerCase().replace(/\s/g, '-') : '';
 94    };
 95
 96    this.generatePassword = function(len) {
 97        var charset = this.getPasswordCharacterSet();
 98        var result = "";
 99        for (var i = 0; len > i; i++)
100            result += charset[this.randomInt(charset.length)];
101        return result;
102    };
103    this.getPasswordCharacterSet = function() {
104        var rawCharset = '0123456789'
105            + 'abcdefghijklmnopqrstuvwxyz'
106            + 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
107            + '!#$%()*+,-.:;=@_|{ldelim}{rdelim}~';
108
109        // Parse UTF-16, remove duplicates, convert to array of strings
110        var charset = [];
111        for (var i = 0; rawCharset.length > i; i++) {
112            var c = rawCharset.charCodeAt(i);
113            if (0xD800 > c || c >= 0xE000) {  // Regular UTF-16 character
114                var s = rawCharset.charAt(i);
115                if (charset.indexOf(s) == -1)
116                    charset.push(s);
117                continue;
118            }
119            if (0xDC00 > c ? rawCharset.length > i + 1 : false) {  // High surrogate
120                var d = rawCharset.charCodeAt(i + 1);
121                if (d >= 0xDC00 ? 0xE000 > d : false) {  // Low surrogate
122                    var s = rawCharset.substring(i, i + 2);
123                    i++;
124                    if (charset.indexOf(s) == -1)
125                        charset.push(s);
126                    continue;
127                }
128            }
129            throw "Invalid UTF-16";
130        }
131        return charset;
132    };
133    this.randomInt = function(n) {
134        var x = this.randomIntMathRandom(n);
135        x = (x + this.randomIntBrowserCrypto(n)) % n;
136        return x;
137    };
138    this.randomIntMathRandom = function(n) {
139        var x = Math.floor(Math.random() * n);
140        if (0 > x || x >= n)
141            throw "Arithmetic exception";
142        return x;
143    };
144    this.randomIntBrowserCrypto = function(n) {
145        var cryptoObject = null;
146
147        if ("crypto" in window)
148            cryptoObject = crypto;
149        else if ("msCrypto" in window)
150            cryptoObject = msCrypto;
151        else
152            return 0;
153
154        if (!("getRandomValues" in cryptoObject) || !("Uint32Array" in window) || typeof Uint32Array != "function")
155            cryptoObject = null;
156
157        if (cryptoObject == null)
158            return 0;
159
160        // Generate an unbiased sample
161        var x = new Uint32Array(1);
162        do cryptoObject.getRandomValues(x);
163        while (x[0] - x[0] % n > 4294967296 - n);
164        return x[0] % n;
165    };
166
167    return this;
168});
169
170WHMCS.utils.validateBaseUrl();
171