// Password strength meter
-function passwordStrength(password,username) {
- var shortPass = 1, badPass = 2, goodPass = 3, strongPass = 4, symbolSize = 0, natLog, score;
+function passwordStrength(password1, username, password2) {
+ var shortPass = 1, badPass = 2, goodPass = 3, strongPass = 4, mismatch = 5, symbolSize = 0, natLog, score;
+
+ // password 1 != password 2
+ if ( (password1 != password2) && password2.length > 0)
+ return mismatch
//password < 4
- if (password.length < 4 ) { return shortPass };
+ if ( password1.length < 4 )
+ return shortPass
- //password == username
- if (password.toLowerCase()==username.toLowerCase()) return badPass;
+ //password1 == username
+ if ( password1.toLowerCase() == username.toLowerCase() )
+ return badPass;
- if (password.match(/[0-9]/)) symbolSize +=10;
- if (password.match(/[a-z]/)) symbolSize +=26;
- if (password.match(/[A-Z]/)) symbolSize +=26;
- if (password.match(/[^a-zA-Z0-9]/)) symbolSize +=31;
+ if ( password1.match(/[0-9]/) )
+ symbolSize +=10;
+ if ( password1.match(/[a-z]/) )
+ symbolSize +=26;
+ if ( password1.match(/[A-Z]/) )
+ symbolSize +=26;
+ if ( password1.match(/[^a-zA-Z0-9]/) )
+ symbolSize +=31;
- natLog = Math.log( Math.pow(symbolSize,password.length) );
+ natLog = Math.log( Math.pow(symbolSize, password1.length) );
score = natLog / Math.LN2;
- if (score < 40 ) return badPass
- if (score < 56 ) return goodPass
+
+ if (score < 40 )
+ return badPass
+
+ if (score < 56 )
+ return goodPass
+
return strongPass;
}