Java Security jaasConfig(String loginContextName, String key)

Description

Construct a JAAS configuration object per kafka jaas configuration file

License

Apache License

Parameter

Parameter	Description
loginContextName	a parameter
key	a parameter

Return

JAAS configuration object

Declaration

public static String jaasConfig(String loginContextName, String key) throws IOException 

Method Source Code

//package com.java2s;
/**//  w w  w .  j ava2 s .  c  o  m
 * 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.
 */

import javax.security.auth.login.Configuration;
import javax.security.auth.login.AppConfigurationEntry;

import java.io.IOException;

public class Main {
    /**
     * Construct a JAAS configuration object per kafka jaas configuration file
     * @param loginContextName
     * @param key
     * @return JAAS configuration object
     */
    public static String jaasConfig(String loginContextName, String key) throws IOException {
        AppConfigurationEntry[] configurationEntries = Configuration.getConfiguration()
                .getAppConfigurationEntry(loginContextName);
        if (configurationEntries == null) {
            String errorMessage = "Could not find a '" + loginContextName + "' entry in this configuration.";
            throw new IOException(errorMessage);
        }

        for (AppConfigurationEntry entry : configurationEntries) {
            Object val = entry.getOptions().get(key);
            if (val != null)
                return (String) val;
        }
        return null;
    }
}

Related

1. getServerPrivateKey(Subject subject, int keyType)
2. getSubject()
3. getTicketGrantingTicket(Subject subject)
4. isDN(String user)
5. isOriginalTicketGrantingTicket(KerberosTicket ticket)
6. jaasConfigOption(Configuration jaasConfig, String loginContextName, String key, String loginModuleName)
7. kinit(String username, char[] password)
8. logout()
9. parseDirectives(byte[] buf)