/*
* 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.authentication;
import java.util.Collection;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.SpringSecurityCoreVersion;
/**
* An {@link org.springframework.security.core.Authentication} implementation that is
* designed for simple presentation of a username and password.
* <p>
* The <code>principal</code> and <code>credentials</code> should be set with an
* <code>Object</code> that provides the respective property via its
* <code>Object.toString()</code> method. The simplest such <code>Object</code> to use is
* <code>String</code>.
*
* @author Ben Alex
*/
public class UsernamePasswordAuthenticationToken extends AbstractAuthenticationToken {
private static final long serialVersionUID = SpringSecurityCoreVersion.SERIAL_VERSION_UID;
// ~ Instance fields
// ================================================================================================
private final Object principal;
private Object credentials;
// ~ Constructors
// ===================================================================================================
/**
* This constructor can be safely used by any code that wishes to create a
* <code>UsernamePasswordAuthenticationToken</code>, as the {@link #isAuthenticated()}
* will return <code>false</code>.
*
*/
public UsernamePasswordAuthenticationToken(Object principal, Object credentials) {
super(null);
this.principal = principal;
this.credentials = credentials;
setAuthenticated(false);
}
/**
* This constructor should only be used by <code>AuthenticationManager</code> or
* <code>AuthenticationProvider</code> implementations that are satisfied with
* producing a trusted (i.e. {@link #isAuthenticated()} = <code>true</code>)
* authentication token.
*
* @param principal
* @param credentials
* @param authorities
*/
public UsernamePasswordAuthenticationToken(Object principal, Object credentials,
Collection<? extends GrantedAuthority> authorities) {
super(authorities);
this.principal = principal;
this.credentials = credentials;
super.setAuthenticated(true); // must use super, as we override
}
// ~ Methods
// ========================================================================================================
public Object getCredentials() {
return this.credentials;
}
public Object getPrincipal() {
return this.principal;
}
public void setAuthenticated(boolean isAuthenticated) throws IllegalArgumentException {
if (isAuthenticated) {
throw new IllegalArgumentException(
"Cannot set this token to trusted - use constructor which takes a GrantedAuthority list instead");
}
super.setAuthenticated(false);
}
@Override
public void eraseCredentials() {
super.eraseCredentials();
credentials = null;
}
}