pwstrength-bootstrap
Version:
jQuery plugin for Twitter Bootstrap that provides rulesets for visualy displaying the quality of a users typed in password.
261 lines (223 loc) • 7.7 kB
JavaScript
/*global module, require */
/*
* jQuery Password Strength plugin for Twitter Bootstrap
*
* Copyright (c) 2008-2013 Tane Piper
* Copyright (c) 2013 Alejandro Blanco
* Dual licensed under the MIT and GPL licenses.
*/
// eslint-disable-next-line no-implicit-globals
var rulesEngine = {};
/* eslint-disable */
try {
if (!jQuery && module && module.exports) {
var jQuery = require('jquery'),
jsdom = require('jsdom').jsdom;
jQuery = jQuery(jsdom().defaultView);
}
} catch (ignore) {
// Nothing to do
}
/* eslint-enable */
(function($) {
'use strict';
var validation = {};
rulesEngine.forbiddenSequences = [
'0123456789',
'abcdefghijklmnopqrstuvwxyz',
'qwertyuiop',
'asdfghjkl',
'zxcvbnm',
'!@#$%^&*()_+'
];
validation.wordNotEmail = function(options, word, score) {
if (
word.match(
/^([\w!#$%&'*+\-/=?^`{|}~]+\.)*[\w!#$%&'*+\-/=?^`{|}~]+@((((([a-z0-9]{1}[a-z0-9-]{0,62}[a-z0-9]{1})|[a-z])\.)+[a-z]{2,6})|(\d{1,3}\.){3}\d{1,3}(:\d{1,5})?)$/i
)
) {
return score;
}
return 0;
};
validation.wordMinLength = function(options, word, score) {
var wordlen = word.length,
lenScore = Math.pow(wordlen, options.rules.raisePower);
if (wordlen < options.common.minChar) {
lenScore = lenScore + score;
}
return lenScore;
};
validation.wordMaxLength = function(options, word, score) {
var wordlen = word.length,
lenScore = Math.pow(wordlen, options.rules.raisePower);
if (wordlen > options.common.maxChar) {
return score;
}
return lenScore;
};
validation.wordInvalidChar = function(options, word, score) {
if (options.common.invalidCharsRegExp.test(word)) {
return score;
}
return 0;
};
validation.wordMinLengthStaticScore = function(options, word, score) {
return word.length < options.common.minChar ? 0 : score;
};
validation.wordMaxLengthStaticScore = function(options, word, score) {
return word.length > options.common.maxChar ? 0 : score;
};
validation.wordSimilarToUsername = function(options, word, score) {
var username = $(options.common.usernameField).val();
if (
username &&
word
.toLowerCase()
.match(
username
.replace(/[-[\]/{}()*+=?:.\\^$|!,]/g, '\\$&')
.toLowerCase()
)
) {
return score;
}
return 0;
};
validation.wordTwoCharacterClasses = function(options, word, score) {
var specialCharRE = new RegExp(
'(.' + options.rules.specialCharClass + ')'
);
if (
word.match(/([a-z].*[A-Z])|([A-Z].*[a-z])/) ||
(word.match(/([a-zA-Z])/) && word.match(/([0-9])/)) ||
(word.match(specialCharRE) && word.match(/[a-zA-Z0-9_]/))
) {
return score;
}
return;
};
validation.wordRepetitions = function(options, word, score) {
if (word.match(/(.)\1\1/)) {
return score;
}
return 0;
};
validation.wordSequences = function(options, word, score) {
var found = false,
j;
if (word.length > 2) {
$.each(rulesEngine.forbiddenSequences, function(idx, seq) {
var sequences;
if (found) {
return;
}
sequences = [
seq,
seq
.split('')
.reverse()
.join('')
];
$.each(sequences, function(ignore, sequence) {
for (j = 0; j < word.length - 2; j += 1) {
// iterate the word trough a sliding window of size 3:
if (
sequence.indexOf(
word.toLowerCase().substring(j, j + 3)
) > -1
) {
found = true;
}
}
});
});
if (found) {
return score;
}
}
return 0;
};
validation.wordLowercase = function(options, word, score) {
return word.match(/[a-z]/) && score;
};
validation.wordUppercase = function(options, word, score) {
return word.match(/[A-Z]/) && score;
};
validation.wordOneNumber = function(options, word, score) {
return word.match(/\d+/) && score;
};
validation.wordThreeNumbers = function(options, word, score) {
return word.match(/(.*[0-9].*[0-9].*[0-9])/) && score;
};
validation.wordOneSpecialChar = function(options, word, score) {
var specialCharRE = new RegExp(options.rules.specialCharClass);
return word.match(specialCharRE) && score;
};
validation.wordTwoSpecialChar = function(options, word, score) {
var twoSpecialCharRE = new RegExp(
'(.*' +
options.rules.specialCharClass +
'.*' +
options.rules.specialCharClass +
')'
);
return word.match(twoSpecialCharRE) && score;
};
validation.wordUpperLowerCombo = function(options, word, score) {
return word.match(/([a-z].*[A-Z])|([A-Z].*[a-z])/) && score;
};
validation.wordLetterNumberCombo = function(options, word, score) {
return word.match(/([a-zA-Z])/) && word.match(/([0-9])/) && score;
};
validation.wordLetterNumberCharCombo = function(options, word, score) {
var letterNumberCharComboRE = new RegExp(
'([a-zA-Z0-9].*' +
options.rules.specialCharClass +
')|(' +
options.rules.specialCharClass +
'.*[a-zA-Z0-9])'
);
return word.match(letterNumberCharComboRE) && score;
};
validation.wordIsACommonPassword = function(options, word, score) {
if ($.inArray(word, options.rules.commonPasswords) >= 0) {
return score;
}
return 0;
};
rulesEngine.validation = validation;
rulesEngine.executeRules = function(options, word) {
var totalScore = 0;
$.each(options.rules.activated, function(rule, active) {
var score, funct, result, errorMessage;
if (active) {
score = options.rules.scores[rule];
funct = rulesEngine.validation[rule];
if (typeof funct !== 'function') {
funct = options.rules.extra[rule];
}
if (typeof funct === 'function') {
result = funct(options, word, score);
if (result) {
totalScore += result;
}
if (result < 0 || (!$.isNumeric(result) && !result)) {
errorMessage = options.ui.spanError(options, rule);
if (errorMessage.length > 0) {
options.instances.errors.push(errorMessage);
}
}
}
}
});
return totalScore;
};
})(jQuery);
try {
if (module && module.exports) {
module.exports = rulesEngine;
}
} catch (ignore) {
// Nothing to do
}