| /** |
| * 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.kerby.kerberos.kerb.client.jaas; |
| |
| import javax.security.auth.Subject; |
| import javax.security.auth.kerberos.KerberosPrincipal; |
| import javax.security.auth.login.AppConfigurationEntry; |
| import javax.security.auth.login.Configuration; |
| import javax.security.auth.login.LoginContext; |
| import javax.security.auth.login.LoginException; |
| import java.io.File; |
| import java.security.Principal; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| /** |
| * JAAS utilities for token login. |
| */ |
| public class TokenJaasKrbUtil { |
| |
| /** |
| * Login using token cache. |
| * |
| * @param principal The client principal name |
| * @param tokenCache the token cache for login |
| * @param armorCache the armor cache for fast preauth |
| * @param ccache The file to store the tgt ticket |
| * @return the authenticated Subject |
| * @throws LoginException e |
| */ |
| public static Subject loginUsingToken( |
| String principal, File tokenCache, File armorCache, File ccache, File signKeyFile) |
| throws LoginException { |
| Subject subject = new Subject(false, new HashSet<Principal>(), |
| new HashSet<Object>(), new HashSet<Object>()); |
| Configuration conf = useTokenCache(principal, tokenCache, armorCache, ccache, signKeyFile); |
| String confName = "TokenCacheConf"; |
| LoginContext loginContext = new LoginContext(confName, subject, null, conf); |
| loginContext.login(); |
| return loginContext.getSubject(); |
| } |
| |
| /** |
| * Login using token string. |
| * |
| * @param principal The client principal name |
| * @param tokenStr the token string for login |
| * @param armorCache the armor cache for fast preauth |
| * @param ccache The file to store the tgt ticket |
| * @return the authenticated Subject |
| * @throws LoginException e |
| */ |
| public static Subject loginUsingToken( |
| String principal, String tokenStr, File armorCache, File ccache, File signKeyFile) |
| throws LoginException { |
| Set<Principal> principals = new HashSet<Principal>(); |
| principals.add(new KerberosPrincipal(principal)); |
| |
| Subject subject = new Subject(false, principals, |
| new HashSet<Object>(), new HashSet<Object>()); |
| Configuration conf = useTokenStr(principal, tokenStr, armorCache, ccache, signKeyFile); |
| String confName = "TokenStrConf"; |
| LoginContext loginContext = new LoginContext(confName, subject, null, conf); |
| loginContext.login(); |
| return loginContext.getSubject(); |
| } |
| |
| private static Configuration useTokenCache(String principal, File tokenCache, |
| File armorCache, File tgtCache, File signKeyFile) { |
| return new TokenJaasConf(principal, tokenCache, armorCache, tgtCache, signKeyFile); |
| } |
| |
| private static Configuration useTokenStr(String principal, String tokenStr, |
| File armorCache, File tgtCache, File signKeyFile) { |
| return new TokenJaasConf(principal, tokenStr, armorCache, tgtCache, signKeyFile); |
| } |
| |
| /** |
| * Token Jaas config. |
| */ |
| static class TokenJaasConf extends Configuration { |
| private String principal; |
| private File tokenCache; |
| private String tokenStr; |
| private File armorCache; |
| private File ccache; |
| private File signKeyFile; |
| |
| TokenJaasConf(String principal, File tokenCache, File armorCache, File ccache, |
| File signKeyFile) { |
| this.principal = principal; |
| this.tokenCache = tokenCache; |
| this.armorCache = armorCache; |
| this.ccache = ccache; |
| this.signKeyFile = signKeyFile; |
| } |
| |
| TokenJaasConf(String principal, String tokenStr, File armorCache, File ccache, |
| File signKeyFile) { |
| this.principal = principal; |
| this.tokenStr = tokenStr; |
| this.armorCache = armorCache; |
| this.ccache = ccache; |
| this.signKeyFile = signKeyFile; |
| } |
| |
| @Override |
| public AppConfigurationEntry[] getAppConfigurationEntry(String name) { |
| Map<String, String> options = new HashMap<String, String>(); |
| options.put(TokenAuthLoginModule.PRINCIPAL, principal); |
| if (tokenCache != null) { |
| options.put(TokenAuthLoginModule.TOKEN_CACHE, tokenCache.getAbsolutePath()); |
| } else if (tokenStr != null) { |
| options.put(TokenAuthLoginModule.TOKEN, tokenStr); |
| } |
| options.put(TokenAuthLoginModule.ARMOR_CACHE, armorCache.getAbsolutePath()); |
| if (ccache != null) { |
| options.put(TokenAuthLoginModule.CREDENTIAL_CACHE, ccache.getAbsolutePath()); |
| } |
| if (signKeyFile != null) { |
| options.put(TokenAuthLoginModule.SIGN_KEY_FILE, signKeyFile.getAbsolutePath()); |
| } |
| |
| return new AppConfigurationEntry[]{ |
| new AppConfigurationEntry( |
| "org.apache.kerby.kerberos.kerb.client.jaas.TokenAuthLoginModule", |
| AppConfigurationEntry.LoginModuleControlFlag.REQUIRED, |
| options)}; |
| } |
| } |
| } |