PrimaryLoginContext.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.wicket.security.hive.authentication;

import org.apache.wicket.Component;
import org.apache.wicket.model.IModel;
import org.apache.wicket.security.hive.authorization.SimplePrincipal;
import org.apache.wicket.security.pages.HighSecurityPage;

/**
 * A context for multi login, this context is used to grant the least amount of
 * permissions.
 * 
 * @author marrink
 */
public final class PrimaryLoginContext extends LoginContext
{
	/**
	 * Custom Subject. Note try not to serialize the logincontext with the subject.
	 * 
	 * @author marrink
	 */
	private static final class MySubject extends DefaultSubject
	{
		private static final long serialVersionUID = 1L;

		/**
		 * 
		 * @see org.apache.wicket.security.hive.authentication.DefaultSubject#isClassAuthenticated(java.lang.Class)
		 */
		@Override
		public boolean isClassAuthenticated(Class< ? > class1)
		{
			// for this test class authentication is enough
			if (class1 == null)
				return false;
			return !HighSecurityPage.class.isAssignableFrom(class1);
		}

		/**
		 * 
		 * @see org.apache.wicket.security.hive.authentication.DefaultSubject#isComponentAuthenticated(org.apache.wicket.Component)
		 */
		@Override
		public boolean isComponentAuthenticated(Component component)
		{
			return true;
		}

		/**
		 * 
		 * @see org.apache.wicket.security.hive.authentication.DefaultSubject#isModelAuthenticated(org.apache.wicket.model.IModel,
		 *      org.apache.wicket.Component)
		 */
		@Override
		public boolean isModelAuthenticated(IModel< ? > model, Component component)
		{
			return true;
		}
	}

	/**
	 * 
	 * Construct.
	 */
	public PrimaryLoginContext()
	{
		super(0);
	}

	/**
	 * 
	 * @see org.apache.wicket.security.hive.authentication.LoginContext#login()
	 */
	@Override
	public Subject login()
	{
		DefaultSubject defaultSubject = new MySubject();
		defaultSubject.addPrincipal(new SimplePrincipal("basic"));
		return defaultSubject;
	}

	/**
	 * @see org.apache.wicket.security.hive.authentication.LoginContext#preventsAdditionalLogins()
	 */
	@Override
	public boolean preventsAdditionalLogins()
	{
		return false;
	}
}