75 lines
2.3 KiB
JavaScript
75 lines
2.3 KiB
JavaScript
/* global zxcvbn */
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window.wp = window.wp || {};
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var passwordStrength;
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(function($){
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wp.passwordStrength = {
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/**
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* Determine the strength of a given password
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*
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* @param string password1 The password
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* @param array blacklist An array of words that will lower the entropy of the password
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* @param string password2 The confirmed password
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*/
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meter : function( password1, blacklist, password2 ) {
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if ( ! $.isArray( blacklist ) )
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blacklist = [ blacklist.toString() ];
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if (password1 != password2 && password2 && password2.length > 0)
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return 5;
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var result = zxcvbn( password1, blacklist );
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return result.score;
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},
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/**
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* Builds an array of data that should be penalized, because it would lower the entropy of a password if it were used
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*
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* @return array The array of data to be blacklisted
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*/
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userInputBlacklist : function() {
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var i, userInputFieldsLength, rawValuesLength, currentField,
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rawValues = [],
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blacklist = [],
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userInputFields = [ 'user_login', 'first_name', 'last_name', 'nickname', 'display_name', 'email', 'url', 'description', 'weblog_title', 'admin_email' ];
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// Collect all the strings we want to blacklist
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rawValues.push( document.title );
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rawValues.push( document.URL );
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userInputFieldsLength = userInputFields.length;
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for ( i = 0; i < userInputFieldsLength; i++ ) {
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currentField = $( '#' + userInputFields[ i ] );
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if ( 0 === currentField.length ) {
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continue;
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}
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rawValues.push( currentField[0].defaultValue );
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rawValues.push( currentField.val() );
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}
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// Strip out non-alphanumeric characters and convert each word to an individual entry
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rawValuesLength = rawValues.length;
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for ( i = 0; i < rawValuesLength; i++ ) {
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if ( rawValues[ i ] ) {
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blacklist = blacklist.concat( rawValues[ i ].replace( /\W/g, ' ' ).split( ' ' ) );
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}
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}
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// Remove empty values, short words, and duplicates. Short words are likely to cause many false positives.
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blacklist = $.grep( blacklist, function( value, key ) {
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if ( '' === value || 4 > value.length ) {
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return false;
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}
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return $.inArray( value, blacklist ) === key;
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});
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return blacklist;
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}
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};
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// Backwards compatibility.
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passwordStrength = wp.passwordStrength.meter;
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})(jQuery); |