| /** |
| * |
| * 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.airavata.security.userstore; |
| |
| import org.apache.airavata.security.UserStoreException; |
| import org.apache.airavata.common.utils.DBUtil; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| import sun.reflect.generics.reflectiveObjects.NotImplementedException; |
| |
| import java.sql.SQLException; |
| |
| /** |
| * User store which works on sessions. Will talk to database to check whether session ids are stored in the database. |
| */ |
| public class SessionDBUserStore extends AbstractJDBCUserStore { |
| |
| private String sessionTable; |
| private String sessionColumn; |
| private String comparingColumn; |
| |
| protected DBUtil dbUtil; |
| |
| protected static Logger log = LoggerFactory.getLogger(SessionDBUserStore.class); |
| |
| @Override |
| public boolean authenticate(String userName, Object credentials) throws UserStoreException { |
| // This user store only supports session tokens. |
| throw new NotImplementedException(); |
| } |
| |
| @Override |
| public boolean authenticate(Object credentials) throws UserStoreException { |
| |
| String sessionTicket = (String) credentials; |
| |
| try { |
| String sessionString = dbUtil.getMatchingColumnValue(sessionTable, sessionColumn, sessionTicket); |
| return (sessionString != null); |
| } catch (SQLException e) { |
| throw new UserStoreException("Error querying database for session information.", e); |
| } |
| } |
| |
| @Override |
| public void configure(Node node) throws UserStoreException { |
| |
| super.configure(node); |
| /** |
| * <specificConfigurations> <sessionTable> </sessionTable> <sessionColumn></sessionColumn> |
| * <comparingColumn></comparingColumn> </specificConfigurations> |
| */ |
| |
| NodeList databaseNodeList = node.getChildNodes(); |
| |
| Node databaseNode = null; |
| |
| for (int k = 0; k < databaseNodeList.getLength(); ++k) { |
| |
| Node n = databaseNodeList.item(k); |
| |
| if (n != null && n.getNodeType() == Node.ELEMENT_NODE) { |
| databaseNode = n; |
| } |
| } |
| |
| if (databaseNode != null) { |
| NodeList nodeList = databaseNode.getChildNodes(); |
| |
| for (int i = 0; i < nodeList.getLength(); ++i) { |
| Node n = nodeList.item(i); |
| |
| if (n.getNodeType() == Node.ELEMENT_NODE) { |
| |
| Element element = (Element) n; |
| |
| if (element.getNodeName().equals("sessionTable")) { |
| sessionTable = element.getFirstChild().getNodeValue(); |
| } else if (element.getNodeName().equals("sessionColumn")) { |
| sessionColumn = element.getFirstChild().getNodeValue(); |
| } else if (element.getNodeName().equals("comparingColumn")) { |
| comparingColumn = element.getFirstChild().getNodeValue(); |
| } |
| } |
| } |
| } |
| |
| initializeDatabaseLookup(); |
| |
| StringBuilder stringBuilder = new StringBuilder( |
| "Configuring DB parameters for authenticator with Session Table - "); |
| stringBuilder.append(sessionTable).append(" Session column - ").append(sessionColumn) |
| .append(" Comparing column - ").append(comparingColumn); |
| |
| log.debug(stringBuilder.toString()); |
| } |
| |
| private void initializeDatabaseLookup() throws RuntimeException { |
| |
| try { |
| this.dbUtil = new DBUtil(getDatabaseURL(), getDatabaseUserName(), getDatabasePassword(), getDatabaseDriver()); |
| } catch (ClassNotFoundException e) { |
| throw new RuntimeException("Error loading database driver. Driver class not found.", e); |
| } catch (InstantiationException e) { |
| throw new RuntimeException("Error loading database driver. Error instantiating driver object.", e); |
| } catch (IllegalAccessException e) { |
| throw new RuntimeException("Error loading database driver. Illegal access to driver object.", e); |
| } |
| } |
| } |