/*
* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
*
* 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
*
* 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.springframework.security.cas.authentication;
import java.io.Serializable;
import java.util.Collection;
import org.jasig.cas.client.validation.Assertion;
import org.springframework.security.authentication.AbstractAuthenticationToken;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.SpringSecurityCoreVersion;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.util.Assert;
/**
* Represents a successful CAS <code>Authentication</code>.
*
* @author Ben Alex
* @author Scott Battaglia
*/
public class CasAuthenticationToken extends AbstractAuthenticationToken implements
Serializable {
private static final long serialVersionUID = SpringSecurityCoreVersion.SERIAL_VERSION_UID;
// ~ Instance fields
// ================================================================================================
private final Object credentials;
private final Object principal;
private final UserDetails userDetails;
private final int keyHash;
private final Assertion assertion;
// ~ Constructors
// ===================================================================================================
/**
* Constructor.
*
* @param key to identify if this object made by a given
* {@link CasAuthenticationProvider}
* @param principal typically the UserDetails object (cannot be <code>null</code>)
* @param credentials the service/proxy ticket ID from CAS (cannot be
* <code>null</code>)
* @param authorities the authorities granted to the user (from the
* {@link org.springframework.security.core.userdetails.UserDetailsService}) (cannot
* be <code>null</code>)
* @param userDetails the user details (from the
* {@link org.springframework.security.core.userdetails.UserDetailsService}) (cannot
* be <code>null</code>)
* @param assertion the assertion returned from the CAS servers. It contains the
* principal and how to obtain a proxy ticket for the user.
* @throws IllegalArgumentException if a <code>null</code> was passed
*/
public CasAuthenticationToken(final String key, final Object principal,
final Object credentials,
final Collection<? extends GrantedAuthority> authorities,
final UserDetails userDetails, final Assertion assertion) {
this(extractKeyHash(key), principal, credentials, authorities, userDetails, assertion);
}
/**
* Private constructor for Jackson Deserialization support
*
* @param keyHash hashCode of provided key to identify if this object made by a given
* {@link CasAuthenticationProvider}
* @param principal typically the UserDetails object (cannot be <code>null</code>)
* @param credentials the service/proxy ticket ID from CAS (cannot be
* <code>null</code>)
* @param authorities the authorities granted to the user (from the
* {@link org.springframework.security.core.userdetails.UserDetailsService}) (cannot
* be <code>null</code>)
* @param userDetails the user details (from the
* {@link org.springframework.security.core.userdetails.UserDetailsService}) (cannot
* be <code>null</code>)
* @param assertion the assertion returned from the CAS servers. It contains the
* principal and how to obtain a proxy ticket for the user.
* @throws IllegalArgumentException if a <code>null</code> was passed
* @since 4.2
*/
private CasAuthenticationToken(final Integer keyHash, final Object principal,
final Object credentials,
final Collection<? extends GrantedAuthority> authorities,
final UserDetails userDetails, final Assertion assertion) {
super(authorities);
if ((principal == null)
|| "".equals(principal) || (credentials == null)
|| "".equals(credentials) || (authorities == null)
|| (userDetails == null) || (assertion == null)) {
throw new IllegalArgumentException(
"Cannot pass null or empty values to constructor");
}
this.keyHash = keyHash;
this.principal = principal;
this.credentials = credentials;
this.userDetails = userDetails;
this.assertion = assertion;
setAuthenticated(true);
}
// ~ Methods
// ========================================================================================================
private static Integer extractKeyHash(String key) {
Assert.hasLength(key, "key cannot be null or empty");
return key.hashCode();
}
public boolean equals(final Object obj) {
if (!super.equals(obj)) {
return false;
}
if (obj instanceof CasAuthenticationToken) {
CasAuthenticationToken test = (CasAuthenticationToken) obj;
if (!this.assertion.equals(test.getAssertion())) {
return false;
}
if (this.getKeyHash() != test.getKeyHash()) {
return false;
}
return true;
}
return false;
}
public Object getCredentials() {
return this.credentials;
}
public int getKeyHash() {
return this.keyHash;
}
public Object getPrincipal() {
return this.principal;
}
public Assertion getAssertion() {
return this.assertion;
}
public UserDetails getUserDetails() {
return userDetails;
}
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(super.toString());
sb.append(" Assertion: ").append(this.assertion);
sb.append(" Credentials (Service/Proxy Ticket): ").append(this.credentials);
return (sb.toString());
}
}