david
68ab9e8145
git-svn-id: https://192.168.0.254/svn/Proyectos.ASong2U_Web/trunk@143 cd1a4ea2-8c7f-e448-aada-19d1fee9e1d6
72 lines
2.2 KiB
JavaScript
72 lines
2.2 KiB
JavaScript
jQuery(document).ready(function(){
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// add the password strength meter
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jQuery("#signup_password_confirm").after('<div id="pass-strength-result">' + pwsL10n['title'] + '</div><p>' + pwsL10n['desc'] + '</p>');
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// do the deed
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jQuery('#signup_password').val('').keyup( check_pass_strength );
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jQuery('#signup_password_confirm').val('').keyup( check_pass_strength );
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function check_pass_strength() {
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var pass1 = jQuery('#signup_password').val(), user = jQuery('#signup_username').val(), pass2 = jQuery('#signup_password_confirm').val(), strength;
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jQuery('#pass-strength-result').removeClass('short bad good strong');
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if ( ! pass1 ) {
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jQuery('#pass-strength-result').html( pwsL10n.empty );
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return;
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}
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strength = passwordStrength(pass1, user, pass2);
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switch ( strength ) {
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case 2:
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jQuery('#pass-strength-result').addClass('bad').html( pwsL10n['bad'] );
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break;
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case 3:
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jQuery('#pass-strength-result').addClass('good').html( pwsL10n['good'] );
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break;
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case 4:
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jQuery('#pass-strength-result').addClass('strong').html( pwsL10n['strong'] );
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break;
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case 5:
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jQuery('#pass-strength-result').addClass('short').html( pwsL10n['mismatch'] );
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break;
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default:
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jQuery('#pass-strength-result').addClass('short').html( pwsL10n['short'] );
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}
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}
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function passwordStrength(password1, username, password2) {
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var shortPass = 1, badPass = 2, goodPass = 3, strongPass = 4, mismatch = 5, symbolSize = 0, natLog, score;
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// password 1 != password 2
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if ( (password1 != password2) && password2.length > 0)
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return mismatch
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//password < 4
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if ( password1.length < 4 )
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return shortPass
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//password1 == username
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if ( password1.toLowerCase() == username.toLowerCase() )
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return badPass;
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if ( password1.match(/[0-9]/) )
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symbolSize +=10;
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if ( password1.match(/[a-z]/) )
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symbolSize +=26;
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if ( password1.match(/[A-Z]/) )
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symbolSize +=26;
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if ( password1.match(/[^a-zA-Z0-9]/) )
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symbolSize +=31;
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natLog = Math.log( Math.pow(symbolSize, password1.length) );
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score = natLog / Math.LN2;
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if (score < 40 )
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return badPass
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if (score < 56 )
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return goodPass
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return strongPass;
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}
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}); |