| /* |
| * 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.knox.gateway.shirorealm; |
| |
| import java.util.Hashtable; |
| |
| import javax.naming.Context; |
| import javax.naming.NamingException; |
| import javax.naming.ldap.LdapContext; |
| |
| import org.apache.knox.gateway.GatewayMessages; |
| import org.apache.knox.gateway.GatewayServer; |
| import org.apache.knox.gateway.i18n.messages.MessagesFactory; |
| import org.apache.knox.gateway.services.ServiceType; |
| import org.apache.knox.gateway.services.GatewayServices; |
| import org.apache.knox.gateway.services.security.AliasService; |
| import org.apache.knox.gateway.services.security.AliasServiceException; |
| import org.apache.shiro.realm.ldap.JndiLdapContextFactory; |
| |
| /** |
| * An extension of {@link JndiLdapContextFactory} that allows a different authentication mechanism |
| * for system-level authentications (as used by authorization lookups, for example) |
| * compared to regular authentication. |
| * |
| * <p> |
| * See {@link KnoxLdapRealm} for typical configuration within <tt>shiro.ini</tt>. |
| */ |
| public class KnoxLdapContextFactory extends JndiLdapContextFactory { |
| |
| private static GatewayMessages LOG = MessagesFactory.get( GatewayMessages.class ); |
| |
| private String systemAuthenticationMechanism = "simple"; |
| private String clusterName = ""; |
| |
| public KnoxLdapContextFactory() { |
| setAuthenticationMechanism("simple"); |
| } |
| |
| @SuppressWarnings({ "unchecked", "rawtypes" }) |
| @Override |
| protected LdapContext createLdapContext(Hashtable env) throws NamingException { |
| if(getSystemUsername() != null && getSystemUsername().equals(env.get(Context.SECURITY_PRINCIPAL))) { |
| env.put(Context.SECURITY_AUTHENTICATION, getSystemAuthenticationMechanism()); |
| } |
| return super.createLdapContext(env); |
| } |
| |
| public String getSystemAuthenticationMechanism() { |
| return systemAuthenticationMechanism != null? systemAuthenticationMechanism: getAuthenticationMechanism(); |
| } |
| |
| public void setSystemAuthenticationMechanism(String systemAuthenticationMechanism) { |
| this.systemAuthenticationMechanism = systemAuthenticationMechanism; |
| } |
| |
| @Override |
| public void setSystemPassword(String systemPass) { |
| if ( systemPass == null ) { |
| return; |
| } |
| |
| systemPass = systemPass.trim(); |
| if (systemPass.isEmpty()) { |
| return; |
| } |
| |
| if (!systemPass.startsWith("S{ALIAS=")) { |
| super.setSystemPassword( systemPass ); |
| return; |
| } |
| |
| systemPass= systemPass.substring( "S{ALIAS=".length(), systemPass.length() - 1 ); |
| String aliasName = systemPass; |
| |
| GatewayServices services = GatewayServer.getGatewayServices(); |
| AliasService aliasService = services.getService(ServiceType.ALIAS_SERVICE); |
| |
| String clusterName = getClusterName(); |
| //System.err.println("FACTORY systempass 30: " + systemPass); |
| //System.err.println("FACTORY clustername 40: " + clusterName); |
| //System.err.println("FACTORY SystemProperty GatewayHome 50: " + System.getProperty(GatewayConfig.GATEWAY_HOME_VAR)); |
| char[] password = null; |
| try { |
| password = aliasService.getPasswordFromAliasForCluster(clusterName, systemPass); |
| } catch (AliasServiceException e) { |
| LOG.unableToGetPassword(e); |
| } |
| //System.err.println("FACTORY password: " + ((password == null) ? "NULL" : new String(password))); |
| if ( password != null ) { |
| //System.err.println("FACTORY SUCCESS 20 system password :" + new String(password)); |
| super.setSystemPassword( new String(password) ); |
| } else { |
| //System.err.println("FACTORY FORCING system password to blank"); |
| super.setSystemPassword("" ); |
| LOG.aliasValueNotFound(clusterName, aliasName); |
| } |
| } |
| |
| public String getClusterName() { |
| return clusterName; |
| } |
| |
| public void setClusterName(String clusterName) { |
| if (clusterName != null) { |
| this.clusterName = clusterName.trim(); |
| } |
| } |
| } |