RE: user is nulled out on login attempt

I had used Turbine to build a prototype of an electronic health record
system.

I can't remember if we were using Turbine 2.1 or 2.2 but I have my custom
login action is here:

http://office.kiasoft.com/viewcvs/viewcvs.cgi/agrippa/WebRoot/WEB-INF/src/edu/ncsu/csc/agrippa/modules/actions/AgrippaLoginUser.java?rev=1.1.1.1&content-type=text/vnd.viewcvs-markup

Maybe that will give you some insight... it worked last time I ran the
code but that was Dec 2006...

Hope it helps

-- 
Jeffery Painter
Knowledge Engineer
Semantic Technologies Group
Statistical and Quantitative Sciences
GlaxoSmithKline Research and Development


> I don't get that. The test is if the user is NOT null.
>
> Anyway, it does work. I took it from my SNA login code (our first
> Turbine project.)
>
> -----Original Message-----
> From: Shaw, Nathan (HQ-LD070)[InDyne, Inc]
> [mailto:[email protected]]
> Sent: Thursday, January 31, 2008 12:17 PM
> To: Turbine Users List
> Subject: RE: user is nulled out on login attempt
>
> I don't think that will work because that will mean that the user is
> null and is not logged in at all. It will actually probably be caught by
> the SessionValidator and just take them back to the login page.
>
> I am actually checking the User object and outputting whether it is null
> or not in the login action. I tried both getUser() and
> getUserFromSession() and they are both NULL every single time a login is
> attempted. Something up the chain is clearing all of that out before the
> login occurs.
>
> --Nathan
>
>
> -----Original Message-----
> From: Altner, Bruce (HQ-LD070)[InDyne, Inc]
> [mailto:[email protected]]
> Sent: Thu 1/31/2008 9:29 AM
> To: Turbine Users List
> Subject: RE: user is nulled out on login attempt
>
> How about just doing this, early in the Login action doPerform method
> (first thing?):
>
>
>         if ( data.getUserFromSession() != null )
>         {
>             return;
>         }
>
>
> Bruce
>
> -----Original Message-----
> From: Shaw, Nathan (HQ-LD070)[InDyne, Inc]
> [mailto:[email protected]]
> Sent: Thursday, January 31, 2008 8:35 AM
> To: [email protected]
> Subject: user is nulled out on login attempt
>
>
> Hi all,
>
> I am writing my own login action and need to be able to check to see if
> a user is already logged in when the action is called. If they are, I
> want to skip the login stuff to preserve their session. However, every
> single time that the login action is called, the User object is coming
> back NULL.
>
> Here is a code snippet. Does anyone have any idea WHY the user is coming
> back NULL? I assume something is happening in Turbine somewhere that
> wipes the User on a login attempt or something?
>
>
> public class OutageCalLoginUser extends LoginUser  {
>
> public void doPerform( RunData data, Context context) throws Exception {
>     String uname ;
>     String passwd ;
>
>     System.out.println("doPerform(data, context)");
>     if ( data.getUserFromSession() == null ){
>     	System.out.println("user from session is null");
>     }else{
>     	System.out.println("user from session is NOT null");
>     }
>
>     if(data.getUser() == null){
>     	System.out.println("user is null");
>     }else{
>     	System.out.println("user is NOT null");
>     	if(data.getUser().hasLoggedIn()){
>         	System.out.println("user is logged in");
>         }else{
>         	System.out.println("user is NOT logged in");
>         }
>     }
>
>
>     if((data.getUser() == null) || (data.getUser() != null &&
> data.getUser().hasLoggedIn() == false)){
>
> 	    try {
> 	      SymEncDec enc = SymEncDec.getInstance();
>
> 	      // Username/password = username/pswd coming through front
> door.
> 	      // User coming from elsewhere will have neither username
> nor pswd.
> 	      String username = data.getParameters().get("username");
> 	      String pswd = data.getParameters().get("password");
>
> 	      // If username exists, user came in the front door.
> 	      if (username != null && username.length()>0) {
> 	    	  uname = username;
> 	    	  passwd = pswd;
> 	      }else {
> 	          uname = "guest";
> 	          String encryptedPasswd =
> TurbineResources.getString("guest.credential");
> 	          passwd = encryptedPasswd;
> 	          //enc.decodeBase64Decrypt(encryptedPasswd);
> 	      }
> 	      // Log the user in
> 	      doLogin(data, uname, passwd);
>
> 	      try {
> 	        Utils.getUserID(data);
> 	      }
> 	      catch (NullPointerException npe) {
> 	        throw new TurbineSecurityException("Bad username or
> password, I say!");
> 	      }
>
> 	    }
> 	    catch ( TurbineSecurityException se ) {
> 	      badUserOrPassword(se, data);
> 	    }
> 	    catch (Exception e) {
> 	      throw new PortalVelocityException(e.getMessage()=ull?":
> "+e.getMessage():e.getMessage(),
> 	        e.getCause()=ull?e:e.getCause(), data);
> 	    }
>
>     }
>   }
>
> }
>
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