Package org.apache.openejb.core.security

Source Code of org.apache.openejb.core.security.SecurityServiceImpl

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.openejb.core.security;

import org.apache.openejb.core.security.jaas.UsernamePasswordCallbackHandler;
import org.apache.openejb.core.security.jacc.BasicJaccProvider;
import org.apache.openejb.loader.SystemInstance;
import org.apache.openejb.util.ConfUtils;

import javax.security.auth.Subject;
import javax.security.auth.login.LoginContext;
import javax.security.auth.login.LoginException;
import java.net.URL;
import java.net.URLDecoder;
import java.util.UUID;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

/**
* @version $Rev: 1245047 $ $Date: 2012-02-16 07:43:47 -0800 (Thu, 16 Feb 2012) $
*/
public class SecurityServiceImpl extends AbstractSecurityService {

    static private final Map<Object, LoginContext> contexts = new ConcurrentHashMap<Object, LoginContext>();

    public SecurityServiceImpl() {
        this(BasicJaccProvider.class.getName());
    }
   
    public SecurityServiceImpl(String jaccProviderClass) {
        super(jaccProviderClass);
        installJaas();

        try {
            // Perform a login attempt (which should fail)
            // simply to excercise the initialize code of any
            // LoginModules that are configured.
            // They should have a chance to perform any special
            // boot-time code that they may need.
            login("","");
        } catch (Throwable e) {
        }
    }

    protected static void installJaas() {
        String path = SystemInstance.get().getOptions().get("java.security.auth.login.config", (String) null);

        if (path != null) {
            return;
        }

        URL loginConfig = ConfUtils.getConfResource("login.config");

        System.setProperty("java.security.auth.login.config", URLDecoder.decode(loginConfig.toExternalForm()));
    }

    public UUID login(String realmName, String username, String password) throws LoginException {
        if (realmName == null){
            realmName = getRealmName();
        }
        LoginContext context = new LoginContext(realmName, new UsernamePasswordCallbackHandler(username, password));
        context.login();

        Subject subject = context.getSubject();

        UUID token =  registerSubject(subject);
        contexts.put(token, context);
       
        return token;
    }

    /* (non-Javadoc)
     * @see org.apache.openejb.core.security.AbstractSecurityService#logout(java.util.UUID)
     */
    @Override
    public void logout(UUID securityIdentity) throws LoginException {
        LoginContext context = contexts.get(securityIdentity);
        if (null == context) {
            throw new IllegalStateException("Unable to logout. Can not recover LoginContext.");
        }
        context.logout();
        super.logout(securityIdentity);
    }

}
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