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Best Practices - Security [German only]  XML
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mreich

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Joined: 30/01/2009 08:34:23
Messages: 750
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I wrote a best practice paper concerning security, e.g. redirect to a logon page etc.

https://docs.google.com/document/d/1J1nHdT_38IV3OUaTgEO_TYRZvfZsVmhuXTW39UfmbcM/edit?hl=en_US
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cvieira

Power User

Joined: 08/07/2010 21:46:40
Messages: 59
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Hi, thanks for sharing!

I successfully implemented the login action, maintaining relevant session information, but i'm having a problem with the redirect to logon page, when there is no user logged in... i have a surrounding page, and after login i change the content of surrounding page to a page "test.jsp", for example. Works fine... but if a user enters directly in "test.jsp" page, i want to redirect user to logon page again... but i'm not getting the way to redirect to logon page...

How can we do a simple redirect to a specific page? Eventually this is something basic in CC, but i'm can not find a way to do so... any help would be appreciated...

Thanks,

--
Carlos Vieira
mreich

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Joined: 30/01/2009 08:34:23
Messages: 750
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Hi,

you're right it

I had now another way, but without still no possibility of redirection.

I had an own WorkpageDispatchedPageBean class where I check if a page should be secure or not. I mark my not secure pages e.g. Around and Logon page with an Unsercure annotation.

In the constructor I do following check:
Code:
public WorkpageDispatchedPageBean(IWorkpageDispatcher dispatcher) {
 		super(dispatcher);
 		Annotation unsecure = this.getClass().getAnnotation(Unsecure.class);
 		if(unsecure == null) checkAuthorization();
 	}


Code:
private void checkAuthorization() {
 		// return if viewed in editor
 		if(HttpSessionAccess.checkIfInLayoutEditorPreview()) return;
 		// check user
 		String user = UserAccessMgr.getCurrentUser();
 		if(StringUtils.isEmpty(user) || UserAccess.USER_UNDEFINED.equals(user)) {			
 			try {
 				HttpSessionAccess.getCurrentResponse().sendError(403);
 			} catch (IOException e) { 
 				FacesContext.getCurrentInstance().getExternalContext().invalidateSession();
 			}
 		}
 	}


I just send a 403 (Forbidden) HTTP Status to the client. If an error occures I invalidate the session just to be sure that no access is possible in cause of problem with IOException.

The annotation class:
Code:
@Retention(RetentionPolicy.RUNTIME)
 @Target(ElementType.TYPE)
 public @interface Unsecure {
 
 }
 


I think there should be a possibility in CC so that a redirect work?
Code:
FacesContext.getCurrentInstance().getExternalContext().redirect(arg0)


regard
Markus
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cvieira

Power User

Joined: 08/07/2010 21:46:40
Messages: 59
Offline

Hi Markus,

Your solution is pretty clever works fine and it's the solution for the most user purposes on this scope.

Many thanks for your valuable help!

Regards,
Carlos

--
Carlos Vieira
 
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