Check Internet password with JavaScript

This tip describes how to check Internet passwords with JavaScript.

This Content Component encountered an error

We allow our web users to change their internet password, but to avoid a passerby of a logged in browser to use the feature, the current password must be entered. Here's how....


The form has three editable fields - oldPassword, newPassword, newPassword2 (for typing confirmation). The new password and the confirmation are compared by JavaScript, client side. The following is a code segment of an agent launched by a button. The key is using the @Function @Password to encrypt the oldPassword for comparison to the HTTPPassword item value in the Person Document.

Set personDocument = personView.
getDocumentbykey(webDoc.Remote_User(0))
 If Not personDocument Is Nothing Then
  
  If UserProfileDoc.FirstLoginFlag(0) = "1" 
Then 'if not first login required password 
change, check old passsword 
   Dim oldPass
   oldPass = Evaluate("@Password
(oldPassword)", webDoc)
   If persondocument.HTTPPassword(0) 
<> oldpass(0) Then
    alert = |window.alert("Old Password for
 CQMi account | & webDoc.Remote_User(0) 
& | Invalid..")|
    Print"<javascript>"
    Print "<SCRIPT LANGUAGE=
JavaScript>"
    Print alert
    Print "window.history.back()"
    Print "</SCRIPT>" 
    Exit Sub
   End If
  End If
  persondocument.HTTPPassword = 
webDoc.newpassword(0)
  Call persondocument.ComputeWithForm
( False, False )
  persondocument.Save False, True 
  alert = |window.alert("Password for 
CQMi account | & webDoc.Remote_User(0) 
& | changed...")|
 
This was first published in January 2003

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