/**
Copyright (c) 2005-2008, Engineering Ingegneria Informatica s.p.a.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this list of
conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list of
conditions and the following disclaimer in the documentation and/or other materials
provided with the distribution.
* Neither the name of the Engineering Ingegneria Informatica s.p.a. nor the names of its contributors may
be used to endorse or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
**/
package it.eng.spagobi.security;
import it.eng.spago.security.DefaultCipher;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.log4j.Logger;
import com.novell.ldap.LDAPAttributeSet;
import com.novell.ldap.LDAPConnection;
import com.novell.ldap.LDAPDN;
import com.novell.ldap.LDAPEntry;
import com.novell.ldap.LDAPException;
import com.novell.ldap.LDAPSearchResults;
public class LDAPConnector {
static private Logger logger = Logger.getLogger(LDAPConnector.class);
final public static String HOST = "HOST"; // host LDAP
final public static String PORT = "PORT"; // connection port
final public static String ADMIN_USER = "ADMIN_USER"; // administration
// user-id
final public static String ADMIN_PSW = "ADMIN_PSW"; // password
final public static String SEARCH_ROOT = "SEARCH_ROOT"; // base search path
final public static String ATTRIBUTES_ID = "ATTRIBUTES_ID";// attributes
// list
final public static String OU_ATTRIBUTE = "OU_ATTRIBUTE"; // groups
// attribute
// name
final public static String OBJECTCLASS = "OBJECTCLASS"; // object class
final public static String ATTRIBUTES_ID_GROUP = "ATTRIBUTES_ID_GROUP";
final public static String SEARCH_ROOT_GROUP = "SEARCH_ROOT_GROUP";
final public static String OBJECTCLASS_GROUP = "OBJECTCLASS_GROUP";
final public static String USER_DN = "USER_DN";
private String host = null;
private int port = 0;
private String adminUser = null;
private String adminPsw = null;
private String searchRoot = null;
private String searchRootGroup = null;
private String[] attrIDs = null;
private String ouAttributeName = null;
private String[] attrIDsGroup = null;
private String objectClass = null;
private String objectClassGroup = null;
private String userDn = null;
/**
* Instantiates a new lDAP connector.
*
* @param prop
* the prop
*/
public LDAPConnector(Map prop) {
this.host = (String) prop.get(HOST);
this.port = Integer.parseInt((String) prop.get(PORT));
this.adminUser = (String) prop.get(ADMIN_USER);
this.adminPsw = (String) prop.get(ADMIN_PSW);
this.searchRoot = (String) prop.get(SEARCH_ROOT);
this.attrIDs = (String[]) prop.get(ATTRIBUTES_ID);
this.ouAttributeName = (String) prop.get(OU_ATTRIBUTE);
this.objectClass = (String) prop.get(OBJECTCLASS);
this.attrIDsGroup = (String[]) prop.get(ATTRIBUTES_ID_GROUP);
this.searchRootGroup = (String) prop.get(SEARCH_ROOT_GROUP);
this.objectClassGroup = (String) prop.get(OBJECTCLASS_GROUP);
this.userDn = (String) prop.get(USER_DN);
}
/**
*
* @return
* @throws LDAPException
* @throws UnsupportedEncodingException
*/
private LDAPConnection createConnection() throws LDAPException, UnsupportedEncodingException {
logger.debug("IN");
DefaultCipher defaultCipher = new DefaultCipher();
LDAPConnection connection = null;
try {
connection = new LDAPConnection();
connection.connect(host, port);
if (connection.isConnected()) {
connection.bind(LDAPConnection.LDAP_V3, adminUser, (defaultCipher.decrypt(adminPsw)).getBytes("UTF8"));
}
if (connection.isBound()) {
logger.debug("OUT");
return connection;
}
if (!connection.isConnected() || !connection.isBound()) {
logger.debug("OUT");
logger.warn("!connection.isConnected() || !connection.isBound()");
throw new LDAPException();
}
} catch (LDAPException e) {
logger.error("LDAPException", e);
throw e;
} catch (UnsupportedEncodingException e) {
logger.error("UnsupportedEncodingException", e);
throw e;
}
logger.debug("OUT");
return null;
}
/**
* Autenticate user.
*
* @param userId
* the user id
* @param psw
* the psw
*
* @return true, if autenticate user
*
* @throws LDAPException
* the LDAP exception
* @throws UnsupportedEncodingException
* the unsupported encoding exception
*/
public boolean autenticateUser(String userId, String psw) throws LDAPException, UnsupportedEncodingException {
logger.debug("IN");
LDAPConnection connection = null;
String compsedUserId = userDn.replace("*", userId);
try {
connection = new LDAPConnection();
connection.connect(host, port);
if (connection.isConnected()) {
connection.bind(LDAPConnection.LDAP_V3, compsedUserId, psw.getBytes("UTF8"));
}
if (connection.isBound()) {
logger.debug("OUT");
return true;
}
if (!connection.isConnected() || !connection.isBound()) {
logger.debug("OUT");
logger.warn("!connection.isConnected() || !connection.isBound()");
return false;
}
} catch (LDAPException e) {
logger.error("LDAPException",e);
throw e;
} catch (UnsupportedEncodingException e) {
logger.error("UnsupportedEncodingException",e);
throw e;
}
logger.debug("OUT");
return false;
}
/**
* Gets the user attributes.
*
* @param userId
* the user id
*
* @return the user attributes
*
* @throws LDAPException
* the LDAP exception
* @throws UnsupportedEncodingException
* the unsupported encoding exception
*/
public HashMap getUserAttributes(String userId) throws LDAPException, UnsupportedEncodingException {
logger.debug("IN");
HashMap userAttributes = new HashMap();
LDAPConnection connection = createConnection();
if (connection != null) {
try {
LDAPSearchResults searchResults = connection.search(searchRoot, LDAPConnection.SCOPE_SUB,
"(&(objectclass=" + objectClass + ")(cn=" + userId + "))", attrIDs, false);
LDAPEntry entry = null;
if (searchResults.hasMore()) {
try {
entry = searchResults.next();
} catch (LDAPException e) {
logger.error("LDAPException",e);
}
if (entry != null) {
userAttributes.put("dn", entry.getDN());
for (int i = 0; i < attrIDs.length; i++) {
String attr = attrIDs[i];
userAttributes.put(attr, entry.getAttribute(attr).getStringValue());
}
}
}
} catch (LDAPException e) {
logger.error("LDAPException",e);
throw e;
} finally {
if (connection != null)
connection.disconnect();
}
}
logger.debug("OUT");
return userAttributes;
}
/**
* Gets the user group.
*
* @param userId
* the user id
*
* @return the user group
*
* @throws LDAPException
* the LDAP exception
* @throws UnsupportedEncodingException
* the unsupported encoding exception
*/
public List getUserGroup(String userId) throws LDAPException, UnsupportedEncodingException {
logger.debug("IN");
List userAttributes = new ArrayList();
LDAPConnection connection = createConnection();
if (connection != null) {
try {
String[] attributes = new String[1];
attributes[0] = ouAttributeName;
LDAPSearchResults searchResults = connection.search(searchRoot, LDAPConnection.SCOPE_SUB,
"(&(objectclass=" + objectClass + ")(cn=" + userId + "))", attributes, false);
// popolamento userAttributes con attributeName e attributeValue
LDAPEntry entry = null;
if (searchResults.hasMore()) {
try {
entry = searchResults.next();
} catch (LDAPException e) {
logger.error("LDAPException",e);
throw e;
}
if (entry != null) {
String[] ou = entry.getAttribute(ouAttributeName).getStringValueArray();
for (int i = 0; i < ou.length; i++) {
if (ou[i].indexOf("=") > 0) {
String[] appUserOUs = LDAPDN.explodeDN(ou[i], false);
for (int j = appUserOUs.length - 1; j >= 0; j--) {
String s = appUserOUs[j];
if (s.toUpperCase().startsWith("OU") && !userAttributes.contains(s.substring(3))) {
userAttributes.add(s.substring(3));
}
}
} else {
userAttributes.add(ou[i]);
}
}
}
}
} catch (LDAPException e) {
logger.error("LDAPException",e);
throw e;
} finally {
if (connection != null)
connection.disconnect();
}
}
logger.debug("OUT");
return userAttributes;
}
/**
* Gets the all groups.
*
* @return the all groups
*
* @throws LDAPException
* the LDAP exception
* @throws UnsupportedEncodingException
* the unsupported encoding exception
*/
public List getAllGroups() throws LDAPException, UnsupportedEncodingException {
logger.debug("IN");
List groups = new ArrayList();
LDAPConnection connection = createConnection();
if (connection != null) {
try {
LDAPSearchResults searchResults = connection.search(searchRootGroup, LDAPConnection.SCOPE_SUB,
"(objectclass=" + objectClassGroup + ")", attrIDsGroup, false);
LDAPEntry entry = null;
LDAPAttributeSet attributeSet = null;
while (searchResults.hasMore()) {
try {
entry = searchResults.next();
if (entry != null) {
attributeSet = entry.getAttributeSet();
groups.add(attributeSet.getAttribute(ouAttributeName).getStringValue());
}
} catch (LDAPException e) {
logger.error("LDAPException",e);
throw e;
}
}
} catch (LDAPException e) {
logger.error("LDAPException",e);
throw e;
} finally {
if (connection != null)
connection.disconnect();
}
}
logger.debug("OUT");
return groups;
}
}