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/** * @output wp-admin/js/password-strength-meter.js */ /* global zxcvbn */ window.wp = window.wp || {}; (function($){ var __ = wp.i18n.__, sprintf = wp.i18n.sprintf; /** * Contains functions to determine the password strength. * * @since 3.7.0 * * @namespace */ wp.passwordStrength = { /** * Determines the strength of a given password. * * Compares first password to the password confirmation. * * @since 3.7.0 * * @param {string} password1 The subject password. * @param {Array} disallowedList An array of words that will lower the entropy of * the password. * @param {string} password2 The password confirmation. * * @return {number} The password strength score. */ meter : function( password1, disallowedList, password2 ) { if ( ! Array.isArray( disallowedList ) ) disallowedList = [ disallowedList.toString() ]; if (password1 != password2 && password2 && password2.length > 0) return 5; if ( 'undefined' === typeof window.zxcvbn ) { // Password strength unknown. return -1; } var result = zxcvbn( password1, disallowedList ); return result.score; }, /** * Builds an array of words that should be penalized. * * Certain words need to be penalized because it would lower the entropy of a * password if they were used. The disallowedList is based on user input fields such * as username, first name, email etc. * * @since 3.7.0 * @deprecated 5.5.0 Use {@see 'userInputDisallowedList()'} instead. * * @return {string[]} The array of words to be disallowed. */ userInputBlacklist : function() { window.console.log( sprintf( /* translators: 1: Deprecated function name, 2: Version number, 3: Alternative function name. */ __( '%1$s is deprecated since version %2$s! Use %3$s instead. Please consider writing more inclusive code.' ), 'wp.passwordStrength.userInputBlacklist()', '5.5.0', 'wp.passwordStrength.userInputDisallowedList()' ) ); return wp.passwordStrength.userInputDisallowedList(); }, /** * Builds an array of words that should be penalized. * * Certain words need to be penalized because it would lower the entropy of a * password if they were used. The disallowed list is based on user input fields such * as username, first name, email etc. * * @since 5.5.0 * * @return {string[]} The array of words to be disallowed. */ userInputDisallowedList : function() { var i, userInputFieldsLength, rawValuesLength, currentField, rawValues = [], disallowedList = [], userInputFields = [ 'user_login', 'first_name', 'last_name', 'nickname', 'display_name', 'email', 'url', 'description', 'weblog_title', 'admin_email' ]; // Collect all the strings we want to disallow. 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 ] ) { disallowedList = disallowedList.concat( rawValues[ i ].replace( /\W/g, ' ' ).split( ' ' ) ); } } /* * Remove empty values, short words and duplicates. Short words are likely to * cause many false positives. */ disallowedList = $.grep( disallowedList, function( value, key ) { if ( '' === value || 4 > value.length ) { return false; } return $.inArray( value, disallowedList ) === key; }); return disallowedList; } }; // Backward compatibility. /** * Password strength meter function. * * @since 2.5.0 * @deprecated 3.7.0 Use wp.passwordStrength.meter instead. * * @global * * @type {wp.passwordStrength.meter} */ window.passwordStrength = wp.passwordStrength.meter; })(jQuery);