Add file. see #4470

git-svn-id: http://svn.automattic.com/wordpress/trunk@6421 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/js/passwordStrengthMeter.js

@@ -0,0 +1,162 @@
+// Password strength meter
+// This jQuery plugin is written by firas kassem [2007.04.05]
+// Firas Kassem  phiras.wordpress.com || phiras at gmail {dot} com
+// for more information : http://phiras.wordpress.com/2007/04/08/password-strength-meter-a-jquery-plugin/
+
+var shortPass = 'Too short'
+var badPass = 'Bad'
+var goodPass = 'Good'
+var strongPass = 'Strong'
+
+
+
+function passwordStrength(password,username)
+{
+    score = 0 
+    
+    //password < 4
+    if (password.length < 4 ) { return shortPass }
+    
+    //password == username
+    if (password.toLowerCase()==username.toLowerCase()) return badPass
+    
+    //password length
+    score += password.length * 4
+    score += ( checkRepetition(1,password).length - password.length ) * 1
+    score += ( checkRepetition(2,password).length - password.length ) * 1
+    score += ( checkRepetition(3,password).length - password.length ) * 1
+    score += ( checkRepetition(4,password).length - password.length ) * 1
+
+    //password has 3 numbers
+    if (password.match(/(.*[0-9].*[0-9].*[0-9])/))  score += 5 
+    
+    //password has 2 sybols
+    if (password.match(/(.*[!,@,#,$,%,^,&,*,?,_,~].*[!,@,#,$,%,^,&,*,?,_,~])/)) score += 5 
+    
+    //password has Upper and Lower chars
+    if (password.match(/([a-z].*[A-Z])|([A-Z].*[a-z])/))  score += 10 
+    
+    //password has number and chars
+    if (password.match(/([a-zA-Z])/) && password.match(/([0-9])/))  score += 15 
+    //
+    //password has number and symbol
+    if (password.match(/([!,@,#,$,%,^,&,*,?,_,~])/) && password.match(/([0-9])/))  score += 15 
+    
+    //password has char and symbol
+    if (password.match(/([!,@,#,$,%,^,&,*,?,_,~])/) && password.match(/([a-zA-Z])/))  score += 15 
+    
+    //password is just a nubers or chars
+    if (password.match(/^\w+$/) || password.match(/^\d+$/) )  score -= 10 
+    
+    //verifing 0 < score < 100
+    if ( score < 0 )  score = 0 
+    if ( score > 100 )  score = 100 
+    
+    if (score < 34 )  return badPass 
+    if (score < 68 )  return goodPass
+    return strongPass
+}
+
+
+// checkRepetition(1,'aaaaaaabcbc')   = 'abcbc'
+// checkRepetition(2,'aaaaaaabcbc')   = 'aabc'
+// checkRepetition(2,'aaaaaaabcdbcd') = 'aabcd'
+
+function checkRepetition(pLen,str) {
+    res = ""
+    for ( i=0; i<str.length ; i++ ) {
+        repeated=true
+        for (j=0;j < pLen && (j+i+pLen) < str.length;j++)
+            repeated=repeated && (str.charAt(j+i)==str.charAt(j+i+pLen))
+        if (j<pLen) repeated=false
+        if (repeated) {
+            i+=pLen-1
+            repeated=false
+        }
+        else {
+            res+=str.charAt(i)
+        }
+    }
+    return res
+}
+// Password strength meter
+// This jQuery plugin is written by firas kassem [2007.04.05]
+// Firas Kassem  phiras.wordpress.com || phiras at gmail {dot} com
+// for more information : http://phiras.wordpress.com/2007/04/08/password-strength-meter-a-jquery-plugin/
+
+var shortPass = 'Too short'
+var badPass = 'Bad'
+var goodPass = 'Good'
+var strongPass = 'Strong'
+
+
+
+function passwordStrength(password,username)
+{
+    score = 0 
+    
+    //password < 4
+    if (password.length < 4 ) { return shortPass }
+    
+    //password == username
+    if (password.toLowerCase()==username.toLowerCase()) return badPass
+    
+    //password length
+    score += password.length * 4
+    score += ( checkRepetition(1,password).length - password.length ) * 1
+    score += ( checkRepetition(2,password).length - password.length ) * 1
+    score += ( checkRepetition(3,password).length - password.length ) * 1
+    score += ( checkRepetition(4,password).length - password.length ) * 1
+
+    //password has 3 numbers
+    if (password.match(/(.*[0-9].*[0-9].*[0-9])/))  score += 5 
+    
+    //password has 2 sybols
+    if (password.match(/(.*[!,@,#,$,%,^,&,*,?,_,~].*[!,@,#,$,%,^,&,*,?,_,~])/)) score += 5 
+    
+    //password has Upper and Lower chars
+    if (password.match(/([a-z].*[A-Z])|([A-Z].*[a-z])/))  score += 10 
+    
+    //password has number and chars
+    if (password.match(/([a-zA-Z])/) && password.match(/([0-9])/))  score += 15 
+    //
+    //password has number and symbol
+    if (password.match(/([!,@,#,$,%,^,&,*,?,_,~])/) && password.match(/([0-9])/))  score += 15 
+    
+    //password has char and symbol
+    if (password.match(/([!,@,#,$,%,^,&,*,?,_,~])/) && password.match(/([a-zA-Z])/))  score += 15 
+    
+    //password is just a nubers or chars
+    if (password.match(/^\w+$/) || password.match(/^\d+$/) )  score -= 10 
+    
+    //verifing 0 < score < 100
+    if ( score < 0 )  score = 0 
+    if ( score > 100 )  score = 100 
+    
+    if (score < 34 )  return badPass 
+    if (score < 68 )  return goodPass
+    return strongPass
+}
+
+
+// checkRepetition(1,'aaaaaaabcbc')   = 'abcbc'
+// checkRepetition(2,'aaaaaaabcbc')   = 'aabc'
+// checkRepetition(2,'aaaaaaabcdbcd') = 'aabcd'
+
+function checkRepetition(pLen,str) {
+    res = ""
+    for ( i=0; i<str.length ; i++ ) {
+        repeated=true
+        for (j=0;j < pLen && (j+i+pLen) < str.length;j++)
+            repeated=repeated && (str.charAt(j+i)==str.charAt(j+i+pLen))
+        if (j<pLen) repeated=false
+        if (repeated) {
+            i+=pLen-1
+            repeated=false
+        }
+        else {
+            res+=str.charAt(i)
+        }
+    }
+    return res
+}