"Password Strength Meter"
Bootstrap 3.3.0 Snippet by mrmccormack

<div class="container"> <div class="row" id="pwd-container"> <div class="col-md-4"></div> <div class="col-md-4"> <section class="login-form"> <form method="post" action="#" role="login"> <img src="http://i.imgur.com/RcmcLv4.png" class="img-responsive" alt="" /> <input type="email" name="email" placeholder="Email" required class="form-control input-lg" value="joestudent@gmail.com" /> <input type="password" class="form-control input-lg" id="password" placeholder="Password" required="" /> <div class="pwstrength_viewport_progress"></div> <button type="submit" name="go" class="btn btn-lg btn-primary btn-block">Sign in</button> <div> <a href="#">Create account</a> or <a href="#">reset password</a> </div> </form> <div class="form-links"> <a href="#">www.website.com</a> </div> </section> </div> <div class="col-md-4"></div> </div> <p> <a href="http://validator.w3.org/check?uri=http%3A%2F%2Fbootsnipp.com%2Fiframe%2FW00op" target="_blank"><small>HTML</small><sup>5</sup></a> <br> <br> </p> </div>
@CHARSET "UTF-8"; /* over-ride "Weak" message, show font in dark grey */ .progress-bar { color: #333; } /* Reference: http://www.bootstrapzen.com/item/135/simple-login-form-logo/ */ * { -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; outline: none; } .form-control { position: relative; font-size: 16px; height: auto; padding: 10px; @include box-sizing(border-box); &:focus { z-index: 2; } } body { background: url(http://i.imgur.com/GHr12sH.jpg) no-repeat center center fixed; -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover; } .login-form { margin-top: 60px; } form[role=login] { color: #5d5d5d; background: #f2f2f2; padding: 26px; border-radius: 10px; -moz-border-radius: 10px; -webkit-border-radius: 10px; } form[role=login] img { display: block; margin: 0 auto; margin-bottom: 35px; } form[role=login] input, form[role=login] button { font-size: 18px; margin: 16px 0; } form[role=login] > div { text-align: center; } .form-links { text-align: center; margin-top: 1em; margin-bottom: 50px; } .form-links a { color: #fff; }
/* * 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. */ jQuery(document).ready(function() { "use strict"; var options = {}; options.ui = { container: "#pwd-container", showVerdictsInsideProgressBar: true, viewports: { progress: ".pwstrength_viewport_progress" } }; options.common = { debug: true, onLoad: function() { $('#messages').text('Start typing password'); } }; $(':password').pwstrength(options); }); (function (jQuery) { // Source: src/rules.js var rulesEngine = {}; try { if (!jQuery && module && module.exports) { var jQuery = require("jquery"), jsdom = require("jsdom").jsdom; jQuery = jQuery(jsdom().parentWindow); } } catch (ignore) {} (function ($, rulesEngine) { "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.wordLength = 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.wordSimilarToUsername = function (options, word, score) { var username = $(options.common.usernameField).val(); if (username && word.toLowerCase().match(username.toLowerCase())) { return score; } return 0; }; validation.wordTwoCharacterClasses = function (options, word, score) { if (word.match(/([a-z].*[A-Z])|([A-Z].*[a-z])/) || (word.match(/([a-zA-Z])/) && word.match(/([0-9])/)) || (word.match(/(.[!,@,#,$,%,\^,&,*,?,_,~])/) && word.match(/[a-zA-Z0-9_]/))) { return score; } return 0; }; 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 = [seq, seq.split('').reverse().join('')]; $.each(sequences, function (idx, sequence) { for (j = 0; j < (word.length - 2); j += 1) { // iterate the word trough a sliding window of size 3: if (sequence.indexOf(word.toLowerCase().substring(j, j + 3)) > -1) { found = true; } } }); }); if (found) { return score; } } return 0; }; validation.wordLowercase = function (options, word, score) { return word.match(/[a-z]/) && score; }; validation.wordUppercase = function (options, word, score) { return word.match(/[A-Z]/) && score; }; validation.wordOneNumber = function (options, word, score) { return word.match(/\d+/) && score; }; validation.wordThreeNumbers = function (options, word, score) { return word.match(/(.*[0-9].*[0-9].*[0-9])/) && score; }; validation.wordOneSpecialChar = function (options, word, score) { return word.match(/.[!,@,#,$,%,\^,&,*,?,_,~]/) && score; }; validation.wordTwoSpecialChar = function (options, word, score) { return word.match(/(.*[!,@,#,$,%,\^,&,*,?,_,~].*[!,@,#,$,%,\^,&,*,?,_,~])/) && 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) { return word.match(/([a-zA-Z0-9].*[!,@,#,$,%,\^,&,*,?,_,~])|([!,@,#,$,%,\^,&,*,?,_,~].*[a-zA-Z0-9])/) && score; }; rulesEngine.validation = validation; rulesEngine.executeRules = function (options, word) { var totalScore = 0; $.each(options.rules.activated, function (rule, active) { if (active) { var score = options.rules.scores[rule], funct = rulesEngine.validation[rule], result, errorMessage; if (!$.isFunction(funct)) { funct = options.rules.extra[rule]; } if ($.isFunction(funct)) { result = funct(options, word, score); if (result) { totalScore += result; } if (result < 0 || (!$.isNumeric(result) && !result)) { errorMessage = options.ui.spanError(options, rule); if (errorMessage.length > 0) { options.instances.errors.push(errorMessage); } } } } }); return totalScore; }; }(jQuery, rulesEngine)); try { if (module && module.exports) { module.exports = rulesEngine; } } catch (ignore) {} // Source: src/options.js var defaultOptions = {}; defaultOptions.common = {}; defaultOptions.common.minChar = 6; defaultOptions.common.usernameField = "#username"; defaultOptions.common.userInputs = [ // Selectors for input fields with user input ]; defaultOptions.common.onLoad = undefined; defaultOptions.common.onKeyUp = undefined; defaultOptions.common.zxcvbn = false; defaultOptions.common.debug = false; defaultOptions.rules = {}; defaultOptions.rules.extra = {}; defaultOptions.rules.scores = { wordNotEmail: -100, wordLength: -50, wordSimilarToUsername: -100, wordSequences: -50, wordTwoCharacterClasses: 2, wordRepetitions: -25, wordLowercase: 1, wordUppercase: 3, wordOneNumber: 3, wordThreeNumbers: 5, wordOneSpecialChar: 3, wordTwoSpecialChar: 5, wordUpperLowerCombo: 2, wordLetterNumberCombo: 2, wordLetterNumberCharCombo: 2 }; defaultOptions.rules.activated = { wordNotEmail: true, wordLength: true, wordSimilarToUsername: true, wordSequences: true, wordTwoCharacterClasses: false, wordRepetitions: false, wordLowercase: true, wordUppercase: true, wordOneNumber: true, wordThreeNumbers: true, wordOneSpecialChar: true, wordTwoSpecialChar: true, wordUpperLowerCombo: true, wordLetterNumberCombo: true, wordLetterNumberCharCombo: true }; defaultOptions.rules.raisePower = 1.4; defaultOptions.ui = {}; defaultOptions.ui.bootstrap2 = false; defaultOptions.ui.showProgressBar = true; defaultOptions.ui.showPopover = false; defaultOptions.ui.showStatus = false; defaultOptions.ui.spanError = function (options, key) { "use strict"; var text = options.ui.errorMessages[key]; if (!text) { return ''; } return '<span style="color: #d52929">' + text + '</span>'; }; defaultOptions.ui.popoverError = function (errors) { "use strict"; var message = "<div>Errors:<ul class='error-list' style='margin-bottom: 0;'>"; jQuery.each(errors, function (idx, err) { message += "<li>" + err + "</li>"; }); message += "</ul></div>"; return message; }; defaultOptions.ui.errorMessages = { wordLength: "Your password is too short", wordNotEmail: "Do not use your email as your password", wordSimilarToUsername: "Your password cannot contain your username", wordTwoCharacterClasses: "Use different character classes", wordRepetitions: "Too many repetitions", wordSequences: "Your password contains sequences" }; defaultOptions.ui.verdicts = ["Weak", "Normal", "Medium", "Strong", "Very Strong"]; defaultOptions.ui.showVerdicts = true; defaultOptions.ui.showVerdictsInsideProgressBar = false; defaultOptions.ui.showErrors = true; defaultOptions.ui.container = undefined; defaultOptions.ui.viewports = { progress: undefined, verdict: undefined, errors: undefined }; defaultOptions.ui.scores = [14, 26, 38, 50]; // Source: src/ui.js var ui = {}; (function ($, ui) { "use strict"; var barClasses = ["danger", "warning", "success"], statusClasses = ["error", "warning", "success"]; ui.getContainer = function (options, $el) { var $container; $container = $(options.ui.container); if (!($container && $container.length === 1)) { $container = $el.parent(); } return $container; }; ui.findElement = function ($container, viewport, cssSelector) { if (viewport) { return $container.find(viewport).find(cssSelector); } return $container.find(cssSelector); }; ui.getUIElements = function (options, $el) { var $container, result; if (options.instances.viewports) { return options.instances.viewports; } $container = ui.getContainer(options, $el); result = {}; result.$progressbar = ui.findElement($container, options.ui.viewports.progress, "div.progress"); if (options.ui.showVerdictsInsideProgressBar) { result.$verdict = result.$progressbar.find("span.password-verdict"); } if (!options.ui.showPopover) { if (!options.ui.showVerdictsInsideProgressBar) { result.$verdict = ui.findElement($container, options.ui.viewports.verdict, "span.password-verdict"); } result.$errors = ui.findElement($container, options.ui.viewports.errors, "ul.error-list"); } options.instances.viewports = result; return result; }; ui.initProgressBar = function (options, $el) { var $container = ui.getContainer(options, $el), progressbar = "<div class='progress'><div class='"; if (!options.ui.bootstrap2) { progressbar += "progress-"; } progressbar += "bar'>"; if (options.ui.showVerdictsInsideProgressBar) { progressbar += "<span class='password-verdict'></span>"; } progressbar += "</div></div>"; if (options.ui.viewports.progress) { $container.find(options.ui.viewports.progress).append(progressbar); } else { $(progressbar).insertAfter($el); } }; ui.initHelper = function (options, $el, html, viewport) { var $container = ui.getContainer(options, $el); if (viewport) { $container.find(viewport).append(html); } else { $(html).insertAfter($el); } }; ui.initVerdict = function (options, $el) { ui.initHelper(options, $el, "<span class='password-verdict'></span>", options.ui.viewports.verdict); }; ui.initErrorList = function (options, $el) { ui.initHelper(options, $el, "<ul class='error-list'></ul>", options.ui.viewports.errors); }; ui.initPopover = function (options, $el) { $el.popover("destroy"); $el.popover({ html: true, placement: "bottom", trigger: "manual", content: " " }); }; ui.initUI = function (options, $el) { if (options.ui.showPopover) { ui.initPopover(options, $el); } else { if (options.ui.showErrors) { ui.initErrorList(options, $el); } if (options.ui.showVerdicts && !options.ui.showVerdictsInsideProgressBar) { ui.initVerdict(options, $el); } } if (options.ui.showProgressBar) { ui.initProgressBar(options, $el); } }; ui.possibleProgressBarClasses = ["danger", "warning", "success"]; ui.updateProgressBar = function (options, $el, cssClass, percentage) { var $progressbar = ui.getUIElements(options, $el).$progressbar, $bar = $progressbar.find(".progress-bar"), cssPrefix = "progress-"; if (options.ui.bootstrap2) { $bar = $progressbar.find(".bar"); cssPrefix = ""; } $.each(ui.possibleProgressBarClasses, function (idx, value) { $bar.removeClass(cssPrefix + "bar-" + value); }); $bar.addClass(cssPrefix + "bar-" + barClasses[cssClass]); $bar.css("width", percentage + '%'); }; ui.updateVerdict = function (options, $el, text) { var $verdict = ui.getUIElements(options, $el).$verdict; $verdict.text(text); }; ui.updateErrors = function (options, $el) { var $errors = ui.getUIElements(options, $el).$errors, html = ""; $.each(options.instances.errors, function (idx, err) { html += "<li>" + err + "</li>"; }); $errors.html(html); }; ui.updatePopover = function (options, $el, verdictText) { var popover = $el.data("bs.popover"), html = "", hide = true; if (options.ui.showVerdicts && !options.ui.showVerdictsInsideProgressBar && verdictText.length > 0) { html = "<h5><span class='password-verdict'>" + verdictText + "</span></h5>"; hide = false; } if (options.ui.showErrors) { if (options.instances.errors.length > 0) { hide = false; } html += options.ui.popoverError(options.instances.errors); } if (hide) { $el.popover("hide"); return; } if (options.ui.bootstrap2) { popover = $el.data("popover"); } if (popover.$arrow && popover.$arrow.parents("body").length > 0) { $el.find("+ .popover .popover-content").html(html); } else { // It's hidden popover.options.content = html; $el.popover("show"); } }; ui.updateFieldStatus = function (options, $el, cssClass) { var targetClass = options.ui.bootstrap2 ? ".control-group" : ".form-group", $container = $el.parents(targetClass).first(); $.each(statusClasses, function (idx, css) { if (!options.ui.bootstrap2) { css = "has-" + css; } $container.removeClass(css); }); cssClass = statusClasses[cssClass]; if (!options.ui.bootstrap2) { cssClass = "has-" + cssClass; } $container.addClass(cssClass); }; ui.percentage = function (score, maximun) { var result = Math.floor(100 * score / maximun); result = result < 0 ? 0 : result; result = result > 100 ? 100 : result; return result; }; ui.getVerdictAndCssClass = function (options, score) { var cssClass, verdictText, level; if (score <= 0) { cssClass = 0; level = -1; verdictText = options.ui.verdicts[0]; } else if (score < options.ui.scores[0]) { cssClass = 0; level = 0; verdictText = options.ui.verdicts[0]; } else if (score < options.ui.scores[1]) { cssClass = 0; level = 1; verdictText = options.ui.verdicts[1]; } else if (score < options.ui.scores[2]) { cssClass = 1; level = 2; verdictText = options.ui.verdicts[2]; } else if (score < options.ui.scores[3]) { cssClass = 1; level = 3; verdictText = options.ui.verdicts[3]; } else { cssClass = 2; level = 4; verdictText = options.ui.verdicts[4]; } return [verdictText, cssClass, level]; }; ui.updateUI = function (options, $el, score) { var cssClass, barPercentage, verdictText; cssClass = ui.getVerdictAndCssClass(options, score); verdictText = cssClass[0]; cssClass = cssClass[1]; if (options.ui.showProgressBar) { barPercentage = ui.percentage(score, options.ui.scores[3]); ui.updateProgressBar(options, $el, cssClass, barPercentage); if (options.ui.showVerdictsInsideProgressBar) { ui.updateVerdict(options, $el, verdictText); } } if (options.ui.showStatus) { ui.updateFieldStatus(options, $el, cssClass); } if (options.ui.showPopover) { ui.updatePopover(options, $el, verdictText); } else { if (options.ui.showVerdicts && !options.ui.showVerdictsInsideProgressBar) { ui.updateVerdict(options, $el, verdictText); } if (options.ui.showErrors) { ui.updateErrors(options, $el); } } }; }(jQuery, ui)); // Source: src/methods.js var methods = {}; (function ($, methods) { "use strict"; var onKeyUp, applyToAll; onKeyUp = function (event) { var $el = $(event.target), options = $el.data("pwstrength-bootstrap"), word = $el.val(), userInputs, verdictText, verdictLevel, score; if (options === undefined) { return; } options.instances.errors = []; if (options.common.zxcvbn) { userInputs = []; $.each(options.common.userInputs, function (idx, selector) { userInputs.push($(selector).val()); }); userInputs.push($(options.common.usernameField).val()); score = zxcvbn(word, userInputs).entropy; } else { score = rulesEngine.executeRules(options, word); } ui.updateUI(options, $el, score); verdictText = ui.getVerdictAndCssClass(options, score); verdictLevel = verdictText[2]; verdictText = verdictText[0]; if (options.common.debug) { console.log(score + ' - ' + verdictText); } if ($.isFunction(options.common.onKeyUp)) { options.common.onKeyUp(event, { score: score, verdictText: verdictText, verdictLevel: verdictLevel }); } }; methods.init = function (settings) { this.each(function (idx, el) { // Make it deep extend (first param) so it extends too the // rules and other inside objects var clonedDefaults = $.extend(true, {}, defaultOptions), localOptions = $.extend(true, clonedDefaults, settings), $el = $(el); localOptions.instances = {}; $el.data("pwstrength-bootstrap", localOptions); $el.on("keyup", onKeyUp); $el.on("change", onKeyUp); $el.on("onpaste", onKeyUp); ui.initUI(localOptions, $el); if ($.trim($el.val())) { // Not empty, calculate the strength $el.trigger("keyup"); } if ($.isFunction(localOptions.common.onLoad)) { localOptions.common.onLoad(); } }); return this; }; methods.destroy = function () { this.each(function (idx, el) { var $el = $(el), options = $el.data("pwstrength-bootstrap"), elements = ui.getUIElements(options, $el); elements.$progressbar.remove(); elements.$verdict.remove(); elements.$errors.remove(); $el.removeData("pwstrength-bootstrap"); }); }; methods.forceUpdate = function () { this.each(function (idx, el) { var event = { target: el }; onKeyUp(event); }); }; methods.addRule = function (name, method, score, active) { this.each(function (idx, el) { var options = $(el).data("pwstrength-bootstrap"); options.rules.activated[name] = active; options.rules.scores[name] = score; options.rules.extra[name] = method; }); }; applyToAll = function (rule, prop, value) { this.each(function (idx, el) { $(el).data("pwstrength-bootstrap").rules[prop][rule] = value; }); }; methods.changeScore = function (rule, score) { applyToAll.call(this, rule, "scores", score); }; methods.ruleActive = function (rule, active) { applyToAll.call(this, rule, "activated", active); }; $.fn.pwstrength = function (method) { var result; if (methods[method]) { result = methods[method].apply(this, Array.prototype.slice.call(arguments, 1)); } else if (typeof method === "object" || !method) { result = methods.init.apply(this, arguments); } else { $.error("Method " + method + " does not exist on jQuery.pwstrength-bootstrap"); } return result; }; }(jQuery, methods)); }(jQuery));

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