org.acegisecurity.providers.rcp.RemoteAuthenticationManagerImpl Maven / Gradle / Ivy

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/* Copyright 2004 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.acegisecurity.providers.rcp;

import org.acegisecurity.AuthenticationException;
import org.acegisecurity.AuthenticationManager;
import org.acegisecurity.GrantedAuthority;
import org.acegisecurity.providers.UsernamePasswordAuthenticationToken;

import org.springframework.beans.factory.InitializingBean;
import org.springframework.util.Assert;


/**
 * Server-side processor of a remote authentication request.
 * 
 * 
 * This bean requires no security interceptor to protect it. Instead, the bean
 * uses the configured AuthenticationManager to resolve an
 * authentication request.
 * 
 *
 * @author Ben Alex
 * @version $Id: RemoteAuthenticationManagerImpl.java,v 1.3 2005/11/17 00:55:51 benalex Exp $
 */
public class RemoteAuthenticationManagerImpl
    implements RemoteAuthenticationManager, InitializingBean {
    //~ Instance fields ========================================================

    private AuthenticationManager authenticationManager;

    //~ Methods ================================================================

    public void setAuthenticationManager(
        AuthenticationManager authenticationManager) {
        this.authenticationManager = authenticationManager;
    }

    public AuthenticationManager getAuthenticationManager() {
        return authenticationManager;
    }

    public void afterPropertiesSet() throws Exception {
        Assert.notNull(this.authenticationManager, "authenticationManager is required");
    }

    public GrantedAuthority[] attemptAuthentication(String username,
        String password) throws RemoteAuthenticationException {
        UsernamePasswordAuthenticationToken request = new UsernamePasswordAuthenticationToken(username,
                password);

        try {
            return authenticationManager.authenticate(request).getAuthorities();
        } catch (AuthenticationException authEx) {
            throw new RemoteAuthenticationException(authEx.getMessage());
        }
    }
}