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How to get the authenticated user

Posted on Jul 09, 2007 at 12:30 PM 7 Views

Hi all,

I have a pickle of a problem, which I am trying to solve.

The portal we need to implement this on, has Companies implemented, which means something changes in the security model - and makes an authenticated user unreachable for me.

The usual way of getting the user:

com.sap.security.api.IUser sapUser = com.sap.security.api.UMFactory.getAuthenticator().getLoggedInUser();
IUser ep5User = WPUMFactory.getUserFactory().getEP5User(sapUser);

... means that if I subsequently check for ep5User.isAuthenticated(), it always returns false (this is a webdynpro application, so there's no "request" object available to me).

What do I do next? I need the authenticated user, so I can connect to KM, and overwrite files - anonymous write/delete permissions is not allowed on this system.

Points will be awarded for any help 😊

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  • author's profile photo Former Member
    Former Member
    Posted on Jul 10, 2007 at 06:48 AM
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    I have narrowed the problem further down...

    This code returns an authenticated user, through the WDClientUser - factory:

      private IUser getResourceUser() throws UserManagementException { 
	IWDClientUser wdClientUser;
	com.sap.security.api.IUser sapUser;
	com.sapportals.portal.security.usermanagement.IUser ep5User = null;
	try {
		wdClientUser = WDClientUser.getCurrentUser();
		sapUser = wdClientUser.getSAPUser();
	
		ep5User = com.sapportals.wcm.util.usermanagement.WPUMFactory.getUserFactory().getEP5User(sapUser);
	} catch (Exception e) {
		wdComponentAPI.getMessageManager().reportException(e.getClass().getName() + " - " + e.getLocalizedMessage(), true);
	}
	
	return ep5User;
  }

    ... however, my root problem is still there.

    I still can't overwrite any files though. Whenever I try to overwrite a file, by getting the IResource handle to it, and doing a .updateContent(IContent) - I get an error:

    "com.sapportals.wcm.repository.IOErrorException - error writing content"

    Can anyone help with what might be wrong?

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    • Jochen Wilhelm Former Member
      Jan 21, 2008 at 12:19 PM

      Hi Brik,

      i had the same issue.

      Here is the solution:

      etrieve the HttpRequest using

      public HttpServletRequest getHttpRequest() throws Exception {

      // Get runtime context

      Properties props = new Properties();

      props.put("domain", "true");

      Context initialContext = new InitialContext(props);

      ApplicationWebServiceContext wsContext = (ApplicationWebServiceContext) initialContext

      .lookup(" /wsContext/ApplicationWebServiceContext");

      HttpServletRequest req = wsContext.getHttpServletRequest();

      return req;

      }

      and get the authenticated user from the http request:

      com.sap.security.api.IUser sapUser = com.sap.security.api.UMFactory.getAuthenticator().getLoggedInUser(getHttpRequest(), null);

      IUser ep5User = com.sapportals.wcm.util.usermanagement.WPUMFactory.getUserFactory().getEP5User(sapUser);

      the com.sap.engine.interfaces.webservices.runtime.ApplicationWebServiceContext is located in the webservices_api.jar located in the folder j2ee\cluster\server0\bin\interfaces\webservices on your J2EE.

      Maybe it helps you for the future.

      Best regards

      Jochen

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