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 * and Distribution License("CDDL") (collectively, the "License").  You
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 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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package org.glassfish.osgi.felixwebconsoleextension;

import javax.security.auth.Subject;
import javax.security.auth.login.LoginException;

import org.apache.felix.webconsole.WebConsoleSecurityProvider;
import org.glassfish.embeddable.GlassFish;
import org.glassfish.embeddable.GlassFishException;
import org.glassfish.security.services.api.authentication.AuthenticationService;
import org.osgi.framework.BundleContext;

import java.security.AccessController;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;

/**
 *
 * @author [email protected]
 * @author [email protected]
 */
public class GlassFishSecurityProvider implements WebConsoleSecurityProvider {
	
	private BundleContext ctx;
	private GlassFish gf;
	
	public void setBundleContext(BundleContext context){
		ctx = context;
	}
	
	 private GlassFish getGlassFish() {
         GlassFish gf = (GlassFish) ctx.getService(ctx.getServiceReference(GlassFish.class.getName()));
         try {
             assert(gf.getStatus() == GlassFish.Status.STARTED);
         } catch (GlassFishException e) {
             throw new RuntimeException(e);
         }
         return gf;
     }

	@Override
	public Object authenticate(String username, String password) {
		gf = getGlassFish();
		AuthenticationService authService = null;
		try{
            authService = getAuthService();
		}catch(GlassFishException gfe){
			gfe.printStackTrace();
			return null;
		}

        Subject fs = null;

       try {
    	   fs = authService.login(username, password.toCharArray(), fs);
        } catch (LoginException e) {			
          e.printStackTrace();
          return null;
        }

          return fs;		
	}

    private AuthenticationService getAuthService() throws GlassFishException {
        // Authentication Service is protected, so we need to access within doPrivileged
        // It must be done irrespective of security manager, because the permission is enforced
        // when a security policy file is present.
        try {
            return AccessController.doPrivileged(new PrivilegedExceptionAction() {
                @Override
                public AuthenticationService run() throws GlassFishException {
                    return gf.getService(AuthenticationService.class);
                }
            });
        } catch (PrivilegedActionException e) {
            throw GlassFishException.class.cast(e.getException());
        }

    }

    @Override
	public boolean authorize(Object user, String role) {
		// TODO Auto-generated method stub
		return false;
	}
}