/*
    * Copyright 2007 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.rice.ksb.security.credentials;
  
  import java.lang.reflect.Field;
  import java.util.ArrayList;
  import java.util.Map;
  
  import junit.framework.TestCase;
  
  import org.acegisecurity.GrantedAuthority;
  import org.acegisecurity.GrantedAuthorityImpl;
  import org.acegisecurity.context.SecurityContextHolder;
  import org.acegisecurity.context.SecurityContextImpl;
  import org.acegisecurity.providers.cas.CasAuthenticationToken;
  import org.acegisecurity.ui.cas.CasProcessingFilter;
  import org.acegisecurity.userdetails.User;
  import org.kuali.rice.core.security.credentials.Credentials;
  import org.kuali.rice.core.security.credentials.CredentialsSource.CredentialsType;
  import org.kuali.rice.ksb.security.credentials.CasProxyTicketCredentialsSource;
  import org.kuali.rice.ksb.security.credentials.UsernamePasswordCredentials;
  import org.springframework.mock.web.MockHttpServletRequest;
  import org.springframework.mock.web.MockServletConfig;
  
  import edu.yale.its.tp.cas.proxy.ExtendedProxyGrantingTicket;
  import edu.yale.its.tp.cas.proxy.ProxyTicketReceptor;
  
  /**
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   * @since 0.9
   *
   */
  public class CasProxyTicketCredentialsSourceTest extends TestCase {
  
  	private CasProxyTicketCredentialsSource credentialsSource;
  	
  	private ProxyTicketReceptor receptor = new ProxyTicketReceptor();
  	
  	private final String proxyUrl = "https://localhost:8080/cas/proxy";
  
  	protected void setUp() throws Exception {
  		this.credentialsSource = new CasProxyTicketCredentialsSource();
  		final CasAuthenticationToken token = new CasAuthenticationToken("test", "cas_user", "ticketId", new GrantedAuthority[] {new GrantedAuthorityImpl("ROLE_USER")}, new User("cas_user", "password", true, true, true, true, new GrantedAuthority[] {new GrantedAuthorityImpl("ROLE_USER")}), new ArrayList<String>(), "PGT-IOU");
  		final SecurityContextImpl impl = new SecurityContextImpl();
  		impl.setAuthentication(token);
  		
  		SecurityContextHolder.setContext(impl);
  		
  		final MockHttpServletRequest request = new MockHttpServletRequest();
  		request.setParameter("pgtIou", "PGT-IOU");
  		request.setParameter("pgtId", "PGT-ID");
  		
  		final MockServletConfig config = new MockServletConfig();
  		config.addInitParameter(ProxyTicketReceptor.CAS_PROXYURL_INIT_PARAM, proxyUrl);
  		
  		this.receptor.init(config);
  		
  		final ExtendedProxyGrantingTicket ticket = new ExtendedProxyGrantingTicket("test", "test");
  		
  		final Field field = receptor.getClass().getDeclaredField("pgtMap");
  		field.setAccessible(true);
  		final Map map = (Map) field.get(receptor);
  		
  		map.put("PGT-IOU", ticket);
  	}
  	
  	public void testCredentialsType() {
  		assertEquals(CredentialsType.CAS, this.credentialsSource.getSupportedCredentialsType());		
  	}
  	
  	public void testGetterWithCasServerInstance() {
  		final Credentials c = this.credentialsSource.getCredentials("http://www.cnn.com");
  		assertNotNull(c);
  		assertTrue(c instanceof UsernamePasswordCredentials);
  		final UsernamePasswordCredentials upc = (UsernamePasswordCredentials) c;
  		assertEquals(CasProcessingFilter.CAS_STATELESS_IDENTIFIER, upc.getUsername());
  		assertEquals("PT", upc.getPassword());
  	}	
  }