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/*
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* jQuery validate.password plug-in 1.0
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*
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* http://bassistance.de/jquery-plugins/jquery-plugin-validate.password/
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*
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* Copyright (c) 2009 Jörn Zaefferer
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*
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* $Id$
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*
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* Dual licensed under the MIT and GPL licenses:
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* http://www.opensource.org/licenses/mit-license.php
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* http://www.gnu.org/licenses/gpl.html
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*/
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(function($) {
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var LOWER = /[a-z]/,
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UPPER = /[A-Z]/,
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DIGIT = /[0-9]/,
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DIGITS = /[0-9].*[0-9]/,
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SPECIAL = /[^a-zA-Z0-9]/,
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SAME = /^(.)\1+$/;
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function rating(rate, message) {
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return {
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rate: rate,
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messageKey: message
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};
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}
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function uncapitalize(str) {
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return str.substring(0, 1).toLowerCase() + str.substring(1);
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}
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$.validator.passwordRating = function(password, username) {
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var ln = (window['security_password_length'] != undefined) ? security_password_length : 8;
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if (!password || password.length < ln)
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return rating(0, "too-short");
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if (username && password.toLowerCase().match(username.toLowerCase()))
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return rating(0, "similar-to-username");
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if (SAME.test(password))
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return rating(1, "very-weak");
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var lower = LOWER.test(password),
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upper = UPPER.test(uncapitalize(password)),
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digit = DIGIT.test(password),
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digits = DIGITS.test(password),
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special = SPECIAL.test(password);
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if (lower && upper && digit || lower && digits || upper && digits || special)
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return rating(4, "strong");
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if (lower && upper || lower && digit || upper && digit)
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return rating(3, "good");
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return rating(2, "weak");
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}
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$.validator.passwordRating.messages = {
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"similar-to-username": "Too similar to username",
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"too-short": "Too short",
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"very-weak": "Very weak",
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"weak": "Weak",
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"good": "Good",
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"strong": "Strong"
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}
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$.validator.addMethod("main_password", function(value, element, usernameField) {
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// use untrimmed value
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var password = element.value,
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// get username for comparison, if specified
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username = $(typeof usernameField != "boolean" ? usernameField : []);
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var rating = $.validator.passwordRating(password, username.val());
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// update message for this field
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var meter = $(".password-meter", element.form);
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meter.find(".password-meter-bar").removeClass().addClass("password-meter-bar").addClass("password-meter-" + rating.messageKey);
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meter.find(".password-meter-message")
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.removeClass()
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.addClass("password-meter-message")
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.addClass("password-meter-message-" + rating.messageKey)
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.text($.validator.passwordRating.messages[rating.messageKey]);
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// display process bar instead of error message
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var rt = (window['security_password_level'] != undefined) ? security_password_level : 2;
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return rating.rate >= rt;
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}, " ");
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// manually add class rule, to make username param optional
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$.validator.classRuleSettings.main_password = { main_password: true };
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})(jQuery);
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