svn-gvsig-desktop / trunk / libraries / libAuthenticationService / src / org / gvsig / authentication / Authentication.java @ 4319
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package org.gvsig.authentication; |
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import java.sql.ResultSet; |
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import java.sql.SQLException; |
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import java.sql.Statement; |
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import java.util.Hashtable; |
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import java.util.Vector; |
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import org.gvsig.authentication.db.DatabaseHandler; |
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import org.gvsig.authentication.db.QueryBuilder; |
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import org.gvsig.authentication.exception.DBConnectionException; |
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import org.gvsig.authentication.exception.InvalidUserException; |
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import org.gvsig.authentication.utils.LogManager; |
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import org.gvsig.authentication.utils.Logger; |
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/**
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* Provides the functionality to process the authentication and the authorization in the DB.
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* @author laura
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*/
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public class Authentication { |
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private DatabaseHandler dbHandler;
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private Logger m_log = LogManager.getLogManager().getLogger(Authentication.class.getName()); |
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public Authentication() {
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dbHandler = new DatabaseHandler();
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} |
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/**
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* Tries to log in the db with the info sent by the user.
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* @param userName
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* @param password
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* @return
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*/
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public int login(String userName, String password) |
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{
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Statement stm = null; |
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ResultSet rs = null; |
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String query = null; |
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int userId = -1; |
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try {
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dbHandler.initConnection("default");
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query = QueryBuilder.getLoginQuery(userName, password); |
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stm = dbHandler.getConnection().createStatement(); |
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rs = stm.executeQuery(query); |
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if (rs.first()){
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userId = rs.getInt(QueryBuilder.USER_ID); |
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} |
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return userId;
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} catch (SQLException e) { |
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m_log.error("DatabaseHandler.login()." ,e);
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e.printStackTrace(); |
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return userId;
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} catch (DBConnectionException e) {
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m_log.error("DatabaseHandler.login()." ,e);
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e.printStackTrace(); |
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return userId;
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}finally{
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if (dbHandler.getConnection() != null){ |
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try{
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stm.close(); |
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rs.close(); |
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dbHandler.releaseConnection("default");
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}catch(Exception fin){ |
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m_log.error("",fin);
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fin.printStackTrace(); |
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return userId;
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} |
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} |
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} |
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} |
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private Vector getRoles(String userId) |
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{
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Statement stm = null; |
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ResultSet rs = null; |
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String query = null; |
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int roleId = -1; |
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Vector roles = new Vector(); |
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query = QueryBuilder.getUserRolesIds(userId); |
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try {
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stm = dbHandler.getConnection().createStatement(); |
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rs = stm.executeQuery(query); |
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// rs contains the roles ids to which this user belongs
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// at this moment we are going to simplify this to one role per user
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if (rs.first())
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{
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do{
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roleId = rs.getInt(QueryBuilder.USER_ROLES_ROLES_ID_COL); |
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if(roleId > -1) |
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{
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roles.add(""+roleId);
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} |
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}while(rs.next());
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} |
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} catch (SQLException e) { |
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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}finally{
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if (dbHandler.getConnection() != null){ |
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try{
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rs.close(); |
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stm.close(); |
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}catch(Exception fin){ |
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m_log.error("",fin);
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fin.printStackTrace(); |
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return null; |
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} |
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} |
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} |
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return roles;
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} |
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/**
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* gets the gvSIG config file
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* @param userName
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* @param password
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* @return a String with the gvSIG confog file
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* @throws InvalidUserException
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*/
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public Hashtable getGvSigConfig(String userName, String password) |
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throws InvalidUserException
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{
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int userId = login(userName, password);
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if ( userId > -1){ |
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return getGvSigConfig(userId);
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} |
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else{
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throw new InvalidUserException("Authentication ERROR: Invalid user trying to get gvSIG file"); |
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} |
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} |
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/**
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* Gets the gvSig configuration file associated to the user role.
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* First checks if the user/password is correct.
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* @param userName
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* @param password
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* @return
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*/
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private Hashtable getGvSigConfig(int userId) |
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{
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Statement stm = null; |
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ResultSet rs = null; |
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String query = null; |
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Vector roles = new Vector(); |
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Hashtable ht = new Hashtable(); |
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try {
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dbHandler.initConnection("default");
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roles = getRoles(String.valueOf(userId));
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if (roles.size() > 0 )//if (roleId > -1) |
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{
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query = QueryBuilder.getGvSigConfigDataQuery(roles); |
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stm = dbHandler.getConnection().createStatement(); |
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rs = stm.executeQuery(query); |
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if (rs.first())
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{
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do{
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ht.put(rs.getString(QueryBuilder.GRANTS_NAME_COL),rs.getString(QueryBuilder.GRANTS_DATA_COL)); |
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}while (rs.next());
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} |
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} |
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return ht;
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} catch (SQLException e) { |
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m_log.error("DatabaseHandler.getGvSigConfig()." ,e);
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e.printStackTrace(); |
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return null; |
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} catch (DBConnectionException e) {
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m_log.error("DatabaseHandler.getGvSigConfig()." ,e);
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e.printStackTrace(); |
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return null; |
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}finally{
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if (dbHandler.getConnection() != null){ |
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try{
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rs.close(); |
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stm.close(); |
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dbHandler.releaseConnection("default");
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}catch(Exception fin){ |
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m_log.error("",fin);
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fin.printStackTrace(); |
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return null; |
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} |
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} |
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} |
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} |
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/**
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* Returns mapserver map file for this user
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* @param userName
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* @param password
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* @return
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* @throws InvalidUserException
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*/
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public String getMapFile(String userName, String password) |
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throws InvalidUserException
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{
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int userId = login(userName, password);
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if (userId > -1){ |
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return getMapFile(String.valueOf(userId)); |
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} |
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else{
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throw new InvalidUserException("Authentication ERROR: Invalid user trying to get gvSIG file"); |
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} |
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} |
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/**
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* Gets the mapserver map file associated to the user role.
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* First checks if the user/password is correct.
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* @param userName
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* @param password
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* @return
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*/
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private String getMapFile(String userId) |
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{
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Statement stm = null; |
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ResultSet rs = null; |
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String query = null; |
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Vector roles = new Vector(); |
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try {
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dbHandler.initConnection("default");
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roles = getRoles(userId); |
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if (roles.size() > 0 )//if (roleId > -1) |
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{
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query = QueryBuilder.getMapConfigDataQuery(roles); |
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stm = dbHandler.getConnection().createStatement(); |
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rs = stm.executeQuery(query); |
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// esta ordenado por prioridad descendente, el ultimo es el de prioridad mas alta
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if (rs.last())
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{
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return rs.getString(QueryBuilder.GRANTS_DATA_COL);
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} |
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} |
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return ""; |
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} catch (SQLException e) { |
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m_log.error("DatabaseHandler.getGvSigConfig()." ,e);
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e.printStackTrace(); |
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return ""; |
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} catch (DBConnectionException e) {
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m_log.error("DatabaseHandler.getGvSigConfig()." ,e);
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e.printStackTrace(); |
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return ""; |
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}finally{
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if (dbHandler.getConnection() != null){ |
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try{
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dbHandler.releaseConnection("default");
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rs.close(); |
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stm.close(); |
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}catch(Exception fin){ |
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m_log.error("",fin);
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fin.printStackTrace(); |
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return ""; |
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} |
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} |
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} |
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} |
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/**
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* Gets all the configuration associated to this user/password
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* returns the gvSIG config file and the mapserver map file
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* First checks if the user/password is correct.
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* @param userName
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* @param password
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* @return
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*/
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public Hashtable getConfig(String userName, String password) |
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throws InvalidUserException
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{
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Hashtable ht = new Hashtable(); |
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Hashtable configTable = new Hashtable(); |
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String query;
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int userId;
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Statement stm = null; |
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ResultSet rs = null; |
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String mapserverFile = ""; |
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String wms = ""; |
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Vector roles = new Vector(); |
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try {
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userId = login(userName, password); |
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if(userId > -1){ |
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dbHandler.initConnection("default");
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roles = getRoles(String.valueOf(userId));
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if(roles.size() > 0 ) //if (roleId > -1) |
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{
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query = QueryBuilder.getMapConfigDataQuery(roles); |
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stm = dbHandler.getConnection().createStatement(); |
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rs = stm.executeQuery(query); |
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//el ultimo es del role de este usuario con mayor prioridad
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if (rs.last())
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{
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mapserverFile = rs.getString(QueryBuilder.GRANTS_DATA_COL); |
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} |
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rs.close(); |
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rs = null;
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query = QueryBuilder.getWMSQuery(roles); |
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stm = dbHandler.getConnection().createStatement(); |
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rs = stm.executeQuery(query); |
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//el ultimo es del role de este usuario con mayor prioridad
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if (rs.last())
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{
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wms = rs.getString(QueryBuilder.GRANTS_DATA_COL); |
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} |
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rs.close(); |
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rs = null;
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query = QueryBuilder.getGvSigConfigDataQuery(roles); |
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m_log.debug("getGvSigConfigDataQuery(roles): " + query);
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rs = stm.executeQuery(query); |
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if (rs.first())
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{
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do{
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configTable.put(rs.getString(QueryBuilder.GRANTS_NAME_COL),rs.getString(QueryBuilder.GRANTS_DATA_COL)); |
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}while (rs.next());
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} |
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} |
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ht.put("gvsig_config", configTable);
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ht.put("mapserver_file", mapserverFile);
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ht.put("wms", wms);
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} |
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else{
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throw new InvalidUserException ("Authentication Error: Invalid user."); |
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} |
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return ht;
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} catch (SQLException e) { |
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m_log.error("Authentication.getConfig()." ,e);
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e.printStackTrace(); |
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return null; |
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} catch (DBConnectionException e) {
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m_log.error("Authentication.getConfig()." ,e);
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e.printStackTrace(); |
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return null; |
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} catch (Exception e) { |
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m_log.error("Authentication.getConfig()." ,e);
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e.printStackTrace(); |
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return null; |
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}finally{
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if (dbHandler.getConnection() != null){ |
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try{
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dbHandler.releaseConnection("default");
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rs.close(); |
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stm.close(); |
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}catch(Exception fin){ |
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m_log.error("",fin);
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fin.printStackTrace(); |
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return null; |
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} |
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} |
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} |
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} |
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} |