org.polymap.core.security.LdapLoginModule.java Source code

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Here is the source code for org.polymap.core.security.LdapLoginModule.java

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/* 
 * polymap.org
 * Copyright (C) 2013, Falko Brutigam. All rights reserved.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 3.0 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */
package org.polymap.core.security;

import java.util.Map;

import javax.security.auth.Subject;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.login.LoginException;
import javax.security.auth.spi.LoginModule;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.sun.security.auth.UserPrincipal;

/**
 * Extension of {@link com.sun.security.auth.module.LdapLoginModule} that supports
 * and provides the {@link UserPrincipal}.
 * 
 * @author <a href="http://www.polymap.de">Falko Brutigam</a>
 */
public class LdapLoginModule extends com.sun.security.auth.module.LdapLoginModule implements LoginModule {

    private static Log log = LogFactory.getLog(LdapLoginModule.class);

    private Subject subject;

    private AuthorizationModule authModule;

    @Override
    public void initialize(@SuppressWarnings("hiding") Subject subject, CallbackHandler callbackHandler,
            Map<String, ?> sharedState, Map<String, ?> options) {
        super.initialize(this.subject = subject, callbackHandler, sharedState, options);

        authModule = AuthorizationModuleExtension.forOptions(options).initialize(this, subject, callbackHandler,
                sharedState, options);
    }

    @Override
    public boolean commit() throws LoginException {
        if (super.commit()) {
            for (UserPrincipal principal : subject.getPrincipals(UserPrincipal.class)) {
                log.info("principal: " + principal);

                org.polymap.core.security.UserPrincipal user = new org.polymap.core.security.UserPrincipal(
                        principal.getName()) {
                    public String getPassword() {
                        // XXX Auto-generated method stub
                        throw new RuntimeException("not yet implemented.");
                    }
                };
                subject.getPrincipals().add(user);

                subject.getPrivateCredentials().add(this);
                subject.getPrivateCredentials().add(authModule);
            }
            return true;
        }
        return false;
    }

}