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509
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bojilova
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/**
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* '$RCSfile$'
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* Purpose: An implementation of the AuthInterface interface that
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* allows Metacat to use the SRB/MCAT for authentication
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* Copyright: 2000 Regents of the University of California and the
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* National Center for Ecological Analysis and Synthesis
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* Authors: Jivka Bojilova
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* Release: @release@
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*
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* '$Author$'
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* '$Date$'
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* '$Revision$'
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*/
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package edu.ucsb.nceas.metacat;
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import java.net.ConnectException;
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import java.util.Iterator;
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import java.util.HashMap;
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import java.util.Hashtable;
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import java.util.Set;
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import java.util.Vector;
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import java.rmi.*;
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import SrbJavaGlueInterface;
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import java.util.PropertyResourceBundle;
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/**
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* An implementation of the AuthInterface interface that
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* allows Metacat to use the SRB/MCAT for authentication.
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* The SRB/MCAT authentication service is used to determine if a user
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* is authenticated, and whether they are a member of a particular group.
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*/
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515
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jones
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public class AuthMcat implements AuthInterface {
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509
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bojilova
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String username = null;
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String password = null;
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// DCS-ATTRIBUTE-INDEX
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// They are from mdasC_db2_externs.h.
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final static int USER_NAME = 7;
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final static int USER_GROUP_NAME = 3;
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// JNI (Java Native Interface) routines for SRB
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static String srbHost;
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static String srbPort;
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527
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bojilova
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static String srbDomain;
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509
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bojilova
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static SrbJavaGlueInterface srbJG;
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static {
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try {
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PropertyResourceBundle SRBProps = null;
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// SRB properties that tells about the location of SRB RMI Server
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// srbProps.properties should reside on metacat server
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SRBProps = (PropertyResourceBundle)
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PropertyResourceBundle.getBundle("edu.ucsb.nceas.metacat.srbProps");
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srbHost = (String)SRBProps.handleGetObject("host");
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srbPort = (String)SRBProps.handleGetObject("port");
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527
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bojilova
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srbDomain = (String)SRBProps.handleGetObject("domain");
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509
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bojilova
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// should handle missing RMIhost name here
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527
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bojilova
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String name = "//" + srbHost + "/SrbJavaGlue";
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509
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bojilova
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srbJG = (SrbJavaGlueInterface)Naming.lookup(name);
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} catch (Exception e) {
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System.err.println("AuthMcat static: " + e.getMessage());
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}
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}
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/**
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* Determine if a user/password are valid according to the authentication
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* service.
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*
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* @param user the name of the principal to authenticate
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* @param password the password to use for authentication
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* @returns boolean true if authentication successful, false otherwise
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*/
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public boolean authenticate(String user, String password)
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throws ConnectException
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{
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try {
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// make connection to SRB.
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int srbconn = srbConnect(user, password);
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if ( srbconn > 0 ) {
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// disconnect from SRB
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srbDisconnect(srbconn);
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return true;
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}
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} catch ( RemoteException re) {
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throw new ConnectException(re.getMessage());
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}
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return false;
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}
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/**
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* Get all users from the authentication service
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*/
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public String[] getUsers(String user, String password)
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throws ConnectException
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{
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try {
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// make connection to SRB.
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int srbconn = srbConnect(user, password);
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if ( srbconn > 0 ) {
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// get all users
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String[] userlist = getUsernames(srbconn);
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// disconnect from SRB
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srbDisconnect(srbconn);
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return userlist;
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}
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} catch ( RemoteException re) {
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throw new ConnectException(re.getMessage());
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}
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return null;
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}
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/**
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* Get the users for a particular group from the authentication service
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*/
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public String[] getUsers(String user, String password, String group)
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throws ConnectException
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{
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try {
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// make connection to SRB.
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int srbconn = srbConnect(user, password);
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if ( srbconn > 0 ) {
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// get users for @group
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String[] userlist = getUsernames(srbconn, group);
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// disconnect from SRB
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srbDisconnect(srbconn);
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return userlist;
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}
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} catch ( RemoteException re) {
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throw new ConnectException(re.getMessage());
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}
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return null;
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}
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/**
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* Get all groups from the authentication service
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*/
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public String[] getGroups(String user, String password)
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throws ConnectException
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{
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try {
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// make connection to SRB.
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int srbconn = srbConnect(user, password);
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if ( srbconn > 0 ) {
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// get all group
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String[] userlist = getGroupnames(srbconn);
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// disconnect from SRB
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srbDisconnect(srbconn);
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return userlist;
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}
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} catch ( RemoteException re) {
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throw new ConnectException(re.getMessage());
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}
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return null;
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}
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/**
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* Get the groups for a particular user from the authentication service
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*/
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public String[] getGroups(String user, String password, String foruser)
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throws ConnectException
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{
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try {
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// make connection to SRB.
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int srbconn = srbConnect(user, password);
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if ( srbconn > 0 ) {
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// get groups for @foruser
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String[] userlist = getGroupnames(srbconn, foruser);
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// disconnect from SRB
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srbDisconnect(srbconn);
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return userlist;
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}
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} catch ( RemoteException re) {
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throw new ConnectException(re.getMessage());
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}
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return null;
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}
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/**
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* Get attributes describing a user or group
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*
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* @param user the user for which the attribute list is requested
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* @returns HashMap a map of attribute name to a Vector of values
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*/
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514
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jones
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public HashMap getAttributes(String foruser)
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509
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bojilova
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throws ConnectException
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{
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514
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jones
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return getAttributes(null, null, foruser);
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509
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bojilova
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}
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/**
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* Get attributes describing a user or group
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*
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* @param user the user for which the attribute list is requested
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* @param authuser the user for authenticating against the service
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* @param password the password for authenticating against the service
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* @returns HashMap a map of attribute name to a Vector of values
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*/
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514
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jones
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public HashMap getAttributes(String user, String password, String foruser)
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509
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bojilova
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throws ConnectException
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{
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// NOT IMPLEMENTED YET
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return null;
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}
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/**
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* Get SRB RMI Connection
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*/
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private int srbConnect(String username, String password)
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throws RemoteException {
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225 |
527
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bojilova
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synchronized(this) {
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int srbconn = 0;
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227 |
509
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bojilova
|
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228 |
527
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bojilova
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// try SRB RMI Connection
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// integer value of the SBR Connection ID is returned only
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230 |
509
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bojilova
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try {
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231 |
527
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bojilova
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String name = "//" + srbHost + "/SrbJavaGlue";
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srbJG = (SrbJavaGlueInterface)Naming.lookup(name);
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srbconn=srbJG.clConnectJ(srbHost,srbPort,password,username,srbDomain);
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} catch (Exception e) {
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throw new
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RemoteException("AuthMcat.srbConnect():" + e.getMessage());
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}
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238 |
509
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bojilova
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239 |
527
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bojilova
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// check if successfull
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if ( srbconn == 0 ) {
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512
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bojilova
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throw new
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527
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bojilova
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RemoteException("The SRB Server is not running or it is busy now");
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} else if ( srbconn < 0 ) {
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return srbconn;
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245 |
512
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bojilova
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}
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509
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bojilova
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247 |
527
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bojilova
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return srbconn;
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248 |
509
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bojilova
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249 |
527
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bojilova
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} // end of synchronized(this)
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509
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bojilova
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}
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/**
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* Close SRB RMI Connection
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*/
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private void srbDisconnect(int srbconn) throws RemoteException
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{
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try {
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527
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bojilova
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int err = srbJG.clFinishJ( srbconn );
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259 |
509
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bojilova
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} catch (RemoteException e) {}
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}
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// get the names of groups for given user
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private String[] getGroupnames (int conn, String username)
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throws RemoteException {
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266 |
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String[] qval;
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int[] qvalInx;
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int[] selVal;
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qval = new String [2];
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qval[0] = new String (" not like '%$deleted%'");
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qval[1] = new String (" = '" + username + "'");
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// qval[2] = new String (" <> 'public'");
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qvalInx = new int[2];
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qvalInx[0] = USER_NAME;
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qvalInx[1] = USER_NAME;
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// qvalInx[2] = USER_GROUP_NAME;
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selVal = new int[1];
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selVal[0] = USER_GROUP_NAME;
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// generate a query and get the resultset
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String[] selRes = getGenQueResult (conn, qval, qvalInx, selVal);
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return selRes;
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}
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288 |
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// get the names of all groups
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private String[] getGroupnames (int conn)
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290 |
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throws RemoteException {
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291 |
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String[] qval;
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int[] qvalInx;
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293 |
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int[] selVal;
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294 |
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295 |
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qval = new String [1];
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qval[0] = new String (" not like '%$deleted%'");
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// qval[1] = new String (" <> 'public'");
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298 |
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299 |
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qvalInx = new int[1];
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300 |
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qvalInx[0] = USER_NAME;
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301 |
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// qvalInx[1] = USER_GROUP_NAME;
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303 |
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selVal = new int[1];
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selVal[0] = USER_GROUP_NAME;
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306 |
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// generate a query and get the resultset
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String[] selRes = getGenQueResult (conn, qval, qvalInx, selVal);
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308 |
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return selRes;
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}
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310 |
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311 |
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// get the names of users for given group
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312 |
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private String[] getUsernames (int conn, String groupname)
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313 |
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throws RemoteException {
|
314 |
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String[] qval;
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315 |
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int[] qvalInx;
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316 |
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int[] selVal;
|
317 |
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318 |
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qval = new String [2];
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319 |
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qval[0] = new String (" not like '%$deleted%'");
|
320 |
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qval[1] = new String (" = '" + groupname + "'");
|
321 |
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// qval[2] = new String (" <> 'public'");
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322 |
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323 |
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qvalInx = new int[2];
|
324 |
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qvalInx[0] = USER_NAME;
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325 |
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qvalInx[1] = USER_GROUP_NAME;
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326 |
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// qvalInx[2] = USER_GROUP_NAME;
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327 |
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328 |
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selVal = new int[1];
|
329 |
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selVal[0] = USER_NAME;
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330 |
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331 |
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// generate a query and get the resultset
|
332 |
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String[] selRes = getGenQueResult (conn, qval, qvalInx, selVal);
|
333 |
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return selRes;
|
334 |
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}
|
335 |
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|
|
336 |
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// get the names of all users
|
337 |
|
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private String[] getUsernames (int conn)
|
338 |
|
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throws RemoteException {
|
339 |
|
|
String[] qval;
|
340 |
|
|
int[] qvalInx;
|
341 |
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|
int[] selVal;
|
342 |
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|
|
343 |
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qval = new String [1];
|
344 |
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|
qval[0] = new String (" not like '%$deleted%'");
|
345 |
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|
// qval[1] = new String (" <> 'public'");
|
346 |
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|
347 |
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qvalInx = new int[1];
|
348 |
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qvalInx[0] = USER_NAME;
|
349 |
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// qvalInx[1] = USER_GROUP_NAME;
|
350 |
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|
351 |
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selVal = new int[1];
|
352 |
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selVal[0] = USER_NAME;
|
353 |
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|
|
354 |
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// generate a query and get the resultset
|
355 |
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|
String[] selRes = getGenQueResult (conn, qval, qvalInx, selVal);
|
356 |
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return selRes;
|
357 |
|
|
}
|
358 |
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|
359 |
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|
360 |
|
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// try to generate query and run and retrieve all rows
|
361 |
|
|
private String[] getGenQueResult(int conn, String[] qval,
|
362 |
|
|
int qvalInx[], int selVal[])
|
363 |
|
|
throws RemoteException {
|
364 |
|
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|
365 |
|
|
int inx = 0;
|
366 |
|
|
int queResultCount = 0;
|
367 |
|
|
int queResultIndex = 0;
|
368 |
|
|
int selLen = selVal.length;
|
369 |
|
|
String[] queResult = new String[selLen];
|
370 |
|
|
String[] resultset;
|
371 |
|
|
|
372 |
|
|
try {
|
373 |
|
|
queResultCount = srbJG.srbGenQuery( conn, 0, qval, qvalInx, selVal);
|
374 |
|
|
resultset = new String[queResultCount];
|
375 |
|
|
|
376 |
|
|
// get first rows
|
377 |
|
|
for (int i = 0; i < queResultCount; i++) {
|
378 |
|
|
for (int j = 0; j < selLen; j++) {
|
379 |
|
|
queResult[j] = srbJG.getGenQueResultJ(j, queResultIndex);
|
380 |
|
|
}
|
381 |
|
|
resultset[inx++] = queResult[0];
|
382 |
|
|
queResultIndex++;
|
383 |
|
|
}
|
384 |
|
|
|
385 |
|
|
// get next rows
|
386 |
|
|
while (queResult != null) {
|
387 |
|
|
if ( queResultIndex >= queResultCount ) {
|
388 |
|
|
queResultIndex = 0;
|
389 |
|
|
queResultCount = srbJG.getMoreGenQueRowsJ(conn, 0);
|
390 |
|
|
if (queResultCount <= 0) {
|
391 |
|
|
return resultset;
|
392 |
|
|
}
|
393 |
|
|
}
|
394 |
|
|
|
395 |
|
|
for (int i = 0; i < selLen; i++) {
|
396 |
|
|
queResult[i] = srbJG.getGenQueResultJ(i, queResultIndex);
|
397 |
|
|
}
|
398 |
|
|
resultset[inx++] = queResult[0];
|
399 |
|
|
queResultIndex++;
|
400 |
|
|
}
|
401 |
|
|
|
402 |
|
|
} catch (RemoteException re) {
|
403 |
|
|
throw re;
|
404 |
|
|
}
|
405 |
|
|
|
406 |
|
|
return resultset;
|
407 |
|
|
}
|
408 |
|
|
|
409 |
|
|
/**
|
410 |
|
|
* Test method for the class
|
411 |
|
|
*/
|
412 |
|
|
public static void main(String[] args) {
|
413 |
|
|
|
414 |
|
|
// Provide a user, such as: "cn=Matt Jones"
|
415 |
|
|
String user = args[0];
|
416 |
|
|
String password = args[1];
|
417 |
|
|
|
418 |
|
|
AuthMcat authservice = new AuthMcat();
|
419 |
|
|
|
420 |
|
|
boolean isValid = false;
|
421 |
|
|
try {
|
422 |
527
|
bojilova
|
isValid = authservice.authenticate(user, password);
|
423 |
509
|
bojilova
|
if (isValid) {
|
424 |
|
|
System.out.println("Authentication successful for: " + user );
|
425 |
|
|
System.out.println(" ");
|
426 |
|
|
} else {
|
427 |
|
|
System.out.println("Authentication failed for: " + user);
|
428 |
|
|
}
|
429 |
|
|
|
430 |
|
|
String[] userlist = authservice.getUsers(user, password);
|
431 |
|
|
for (int i = 0; i < userlist.length; i++) {
|
432 |
|
|
System.out.println(userlist[i]);
|
433 |
|
|
}
|
434 |
|
|
System.out.println("All Users: " + userlist.length);
|
435 |
|
|
|
436 |
|
|
/*
|
437 |
|
|
if (isValid) {
|
438 |
|
|
HashMap userInfo = authservice.getAttributes(user);
|
439 |
|
|
|
440 |
|
|
// Print all of the attributes
|
441 |
|
|
Iterator attList = (Iterator)(((Set)userInfo.keySet()).iterator());
|
442 |
|
|
while (attList.hasNext()) {
|
443 |
|
|
String att = (String)attList.next();
|
444 |
|
|
Vector values = (Vector)userInfo.get(att);
|
445 |
|
|
System.out.println(att + ": " );
|
446 |
|
|
Iterator attvalues = values.iterator();
|
447 |
|
|
while (attvalues.hasNext()) {
|
448 |
|
|
String value = (String)attvalues.next();
|
449 |
|
|
System.out.println(" value: " + value);
|
450 |
|
|
}
|
451 |
|
|
}
|
452 |
|
|
}
|
453 |
|
|
*/
|
454 |
|
|
} catch (ConnectException ce) {
|
455 |
|
|
System.err.println(ce.getMessage());
|
456 |
|
|
}
|
457 |
|
|
}
|
458 |
|
|
}
|