~canonical-sysadmins/wordpress/4.7.4

/* global zxcvbn */

window.wp = window.wp || {};

 

var passwordStrength;

(function($){

        wp.passwordStrength = {

                /**

                 * Determine the strength of a given password

                 *

                 * @param string password1 The password

                 * @param array blacklist An array of words that will lower the entropy of the password

                 * @param string password2 The confirmed password

                 */

                meter : function( password1, blacklist, password2 ) {

                        if ( ! $.isArray( blacklist ) )

                                blacklist = [ blacklist.toString() ];

 

                        if (password1 != password2 && password2 && password2.length > 0)

                                return 5;

 

                        var result = zxcvbn( password1, blacklist );

                        return result.score;

                },

 

                /**

                 * Builds an array of data that should be penalized, because it would lower the entropy of a password if it were used

                 *

                 * @return array The array of data to be blacklisted

                 */

                userInputBlacklist : function() {

                        var i, userInputFieldsLength, rawValuesLength, currentField,

                                rawValues       = [],

                                blacklist       = [],

                                userInputFields = [ 'user_login', 'first_name', 'last_name', 'nickname', 'display_name', 'email', 'url', 'description', 'weblog_title', 'admin_email' ];

 

                        // Collect all the strings we want to blacklist

                        rawValues.push( document.title );

                        rawValues.push( document.URL );

 

                        userInputFieldsLength = userInputFields.length;

                        for ( i = 0; i < userInputFieldsLength; i++ ) {

                                currentField = $( '#' + userInputFields[ i ] );

 

                                if ( 0 === currentField.length ) {

                                        continue;

                                }

 

                                rawValues.push( currentField[0].defaultValue );

                                rawValues.push( currentField.val() );

                        }

 

                        // Strip out non-alphanumeric characters and convert each word to an individual entry

                        rawValuesLength = rawValues.length;

                        for ( i = 0; i < rawValuesLength; i++ ) {

                                if ( rawValues[ i ] ) {

                                        blacklist = blacklist.concat( rawValues[ i ].replace( /\W/g, ' ' ).split( ' ' ) );

                                }

                        }

 

                        // Remove empty values, short words, and duplicates. Short words are likely to cause many false positives.

                        blacklist = $.grep( blacklist, function( value, key ) {

                                if ( '' === value || 4 > value.length ) {

                                        return false;

                                }

 

                                return $.inArray( value, blacklist ) === key;

                        });

 

                        return blacklist;

                }

        };

 

        // Backwards compatibility.

        passwordStrength = wp.passwordStrength.meter;

})(jQuery);