/*
    * Copyright 20013-2014 the original author or authors.
    *
    * Licensed 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
    *
    * https://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.springframework.security.oauth2.provider.token;
  
  import static org.junit.Assert.assertEquals;
  
  import java.util.Arrays;
  import java.util.Collections;
  
  import org.junit.Before;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.rules.ExpectedException;
  import org.springframework.security.authentication.AbstractAuthenticationToken;
  import org.springframework.security.core.GrantedAuthority;
  import org.springframework.security.core.authority.SimpleGrantedAuthority;
  import org.springframework.security.oauth2.common.OAuth2AccessToken;
  import org.springframework.security.oauth2.provider.OAuth2Authentication;
  import org.springframework.security.oauth2.provider.RequestTokenFactory;
  import org.springframework.security.oauth2.provider.token.store.InMemoryTokenStore;
  
  /**
   * @author Ismael Gomes
   * 
   */
  public class DefaultTokenServicesAuthoritiesChangeTests {
  
  	private DefaultTokenServices services;
  
  	private InMemoryTokenStore tokenStore = new InMemoryTokenStore();
  
  	@Rule
  	public ExpectedException expected = ExpectedException.none();
  
  	@Before
  	public void setUp() throws Exception {
  		services = new DefaultTokenServices();
  		services.setTokenStore(tokenStore);
  		services.setSupportRefreshToken(true);
  		services.afterPropertiesSet();
  	}
  
  	// This test will fail
  	@Test
  	public void testChangeAuthoritiesAuthenticationTokenFail() throws Exception {
  
  		TestChangeAuthentication testAuthentication = new TestChangeAuthentication("test2", false,
  				new SimpleGrantedAuthority("USER"));
  		OAuth2Authentication oauth2Authentication = new OAuth2Authentication(RequestTokenFactory.createOAuth2Request(
  				"id", false, Collections.singleton("read")), testAuthentication);
  
  		OAuth2AccessToken createAccessToken = getTokenServices().createAccessToken(oauth2Authentication);
  		// First time. The Authentication has 2 roles;
  		assertEquals(testAuthentication.getAuthorities(),
  				getTokenServices().loadAuthentication(createAccessToken.getValue()).getAuthorities());
  		// Now I change the authorities from testAuthentication
  		testAuthentication = new TestChangeAuthentication("test2", false, new SimpleGrantedAuthority("NONE"));
  		// I recreate the request
  		oauth2Authentication = new OAuth2Authentication(RequestTokenFactory.createOAuth2Request("id", false,
  				Collections.singleton("read")), testAuthentication);
  		// I create the authentication again
  		createAccessToken = getTokenServices().createAccessToken(oauth2Authentication);
  		assertEquals(testAuthentication.getAuthorities(),
  				getTokenServices().loadAuthentication(createAccessToken.getValue()).getAuthorities());
  
  	}
  
  	protected TokenStore createTokenStore() {
  		tokenStore = new InMemoryTokenStore();
  		return tokenStore;
  	}
  
  	protected int getAccessTokenCount() {
  		return tokenStore.getAccessTokenCount();
  	}
  
  	protected int getRefreshTokenCount() {
  		return tokenStore.getRefreshTokenCount();
  	}
  
  	protected DefaultTokenServices getTokenServices() {
  		return services;
  	}
  
  	protected static class TestChangeAuthentication extends AbstractAuthenticationToken {
  
  		private static final long serialVersionUID = 1L;
  
 		private String principal;
 
 		public TestChangeAuthentication(String name, boolean authenticated, GrantedAuthority... authorities) {
 			super(Arrays.asList(authorities));
 			setAuthenticated(authenticated);
 			this.principal = name;
 		}
 
 		public Object getCredentials() {
 			return null;
 		}
 
 		public Object getPrincipal() {
 			return this.principal;
 		}
 
 	}
 
 }