On 01/28/10 10:01, Martin Asenov wrote:
Yes I know about it, but never used it, is it suitable in the case I mentioned 
above? Would you give me some hints on how to implement it?

Sure, here's some code from a small internal app I wrote recently. I got most of it from either the wiki or the list archive, but I can't find it right now.


If a page needs authentication and the user is not signed in, I throw a RestartResponseAtInterceptPageException. This IAuthorizationStrategy is set in WebApplication.init(), via getSecuritySettings().setAuthorizationStrategy(...). Code:


public class SimpleAuthorizationStrategy implements IAuthorizationStrategy
{
        
        public boolean isActionAuthorized(Component arg0, Action arg1)
        {
                return true;
        }
        
        @SuppressWarnings("unchecked")
        public boolean isInstantiationAuthorized(Class componentClass)
        {
                // Does this page need authentication?
                if 
(AuthenticatedBasePage.class.isAssignableFrom(componentClass))
                {
                        if (NewtSession.get().isSignedIn())
                                return true;
                        else
                                throw new 
RestartResponseAtInterceptPageException(SignInPage.class);
                }
                return true;
        }
}

Then in my sign-in page, I can just say

if (NewtSession.get().authenticate(username.value(), password.value()))
{
    if (!continueToOriginalDestination())
        setResponsePage(getApplication().getHomePage());
...

The continueToOriginalDestination() gets the user to where the RestartResponseAtInterceptPageException was thrown.

HTH,
Thomas



-----Original Message-----
From: Thomas Kappler [mailto:[email protected]]
Sent: Thursday, January 28, 2010 10:47 AM
To: [email protected]
Subject: Re: know the last page user comes from

On 01/28/10 09:36, Martin Asenov wrote:
Hello, everyone, I was just wondering how could I know what's the page the user 
comes from, when he comes into a new page. In need that in order to redirect to 
previous page in my access denied page.

Do you know about Component.continueToOriginalDestination() ?

-- Thomas


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  Thomas Kappler                        [email protected]
  Swiss Institute of Bioinformatics         Tel: +41 22 379 51 89
  CMU, rue Michel Servet 1
  1211 Geneve 4
  Switzerland                              http://www.uniprot.org
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