nl.surfnet.mujina.spring.SAMLAuthenticationToken.java Source code

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Here is the source code for nl.surfnet.mujina.spring.SAMLAuthenticationToken.java

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/*
 * Copyright 2012 SURFnet bv, The Netherlands
 *
 * 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 nl.surfnet.mujina.spring;

import java.util.Collection;

import org.opensaml.saml2.core.Response;
import org.springframework.security.authentication.AbstractAuthenticationToken;
import org.springframework.security.core.GrantedAuthority;

@SuppressWarnings("serial")
public class SAMLAuthenticationToken extends AbstractAuthenticationToken {

    private final Object principal;
    private final Object credentials;

    /**
     * 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>.
     * 
     * @param response
     * @param credentials
     */
    public SAMLAuthenticationToken(Response response, String credentials,
            Collection<? extends GrantedAuthority> authorities) {
        super(authorities);
        this.principal = response;
        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 user
     * @param credentials
     * @param authorities
     */
    public SAMLAuthenticationToken(User user, String credentials,
            Collection<? extends GrantedAuthority> authorities) {
        super(authorities);
        this.principal = user;
        this.credentials = credentials;
        super.setAuthenticated(true); // must use super, as we override
    }

    @Override
    public Object getCredentials() {
        return credentials;
    }

    @Override
    public Object getPrincipal() {
        return principal;
    }

    /*
     * taken from Spring Security's UsernamePasswordAuthenticationToken
     * implementation
     * 
     * @see
     * org.springframework.security.authentication.AbstractAuthenticationToken
     * #setAuthenticated(boolean)
     */
    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);
    }
}