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/*
* @(#)JMQFileUserRepository.java 1.34 06/28/07
*/
package com.sun.messaging.jmq.jmsserver.auth.file;
import java.io.*;
import java.util.*;
import java.security.PrivilegedAction;
import javax.security.auth.Subject;
import javax.security.auth.Refreshable;
import javax.security.auth.login.LoginException;
import com.sun.messaging.jmq.util.MD5;
import com.sun.messaging.jmq.util.log.Logger;
import com.sun.messaging.jmq.util.StringUtil;
import com.sun.messaging.jmq.jmsserver.Globals;
import com.sun.messaging.jmq.jmsserver.auth.AccessController;
import com.sun.messaging.jmq.auth.jaas.MQUser;
import com.sun.messaging.jmq.auth.jaas.MQGroup;
import com.sun.messaging.jmq.auth.jaas.MQAdminGroup;
import com.sun.messaging.jmq.jmsserver.resources.BrokerResources;
import com.sun.messaging.jmq.auth.api.server.model.*;
/**
* JMQ passwd user repository plugin
*/
public class JMQFileUserRepository implements UserRepository
{
public static final String TYPE = "file";
public static final String PROP_FILENAME_SUFFIX = TYPE + ".filename";
public static final String PROP_DIRPATH_SUFFIX = TYPE + ".dirpath";
public static final String DEFAULT_PW_FILENAME = "passwd";
private static boolean DEBUG = false;
private transient Logger logger = Globals.getLogger();
private static String ADMINGROUP = "admin";
private String authType;
private Properties authProps = null;
public JMQFileUserRepository() { }
public String getType() {
return TYPE;
}
public void open(String authType, Properties authProperties,
Refreshable cacheData) throws LoginException {
this.authType = authType;
this.authProps = authProperties;
}
/**
* Find the user in the repository and compare the credential with
* the user's credential in database
*
* @param user the user name
* @param credential password (String type) for "basic" is the password
* @param extra null for basic, nonce if digest
* @param matchType must be "basic" or "digest"
*
* @return the authenticated subject <BR>
* null if no match found <BR>
*
* @exception LoginException
*/
public Subject findMatch(String user, Object credential,
Object extra, String matchType)
throws LoginException {
if (matchType == null ||
(!matchType.equals(AccessController.AUTHTYPE_BASIC) &&
!matchType.equals(AccessController.AUTHTYPE_DIGEST))) {
String matchtyp = (matchType == null) ? "null": matchType;
String[] args = {matchtyp, authType, getType(),
AccessController.AUTHTYPE_BASIC+":"+AccessController.AUTHTYPE_DIGEST};
throw new LoginException(Globals.getBrokerResources().getKString(
BrokerResources.X_UNSUPPORTED_USER_REPOSITORY_MATCHTYPE, args));
}
HashMap userPTable = new HashMap();
HashMap userRTable = new HashMap();
try {
loadUserTable(userPTable, userRTable);
} catch (IOException e) {
logger.logStack(logger.ERROR, e.getMessage(), e);
userPTable = null;
userRTable = null;
throw new LoginException(e.getMessage());
}
Subject subject = null;
if (matchType.equals(AccessController.AUTHTYPE_BASIC)) {
subject = basicFindMatch(user, (String)credential, userPTable, userRTable);
}
else if (matchType.equals(AccessController.AUTHTYPE_DIGEST)) {
subject = digestFindMatch(user, (String)credential, (String)extra, userPTable, userRTable);
}
userPTable = null;
userRTable = null;
return subject;
}
private Subject basicFindMatch(String user, String userpwd,
HashMap userPTable, HashMap userRTable) throws LoginException {
if (DEBUG) {
logger.log(Logger.INFO, "basic matching["+user+":"+userpwd+"]");
}
Subject subject = null;
String passwd = (String)userPTable.get(user);
if (passwd != null) {
if (passwd.equals(MD5.getHashString(user+":"+userpwd))) {
subject = getSubject(user, userRTable);
}
}
return subject;
}
private Subject digestFindMatch(String user, String credential, String nonce,
HashMap userPTable, HashMap userRTable) throws LoginException {
if (DEBUG) {
logger.log(Logger.INFO, "digest matching "+user+"["+credential+":"+nonce+"]");
}
Subject subject = null;
String passwd = (String)userPTable.get(user);
if (passwd != null) {
String passwdnonce = MD5.getHashString(passwd+":"+nonce);
if (credential.equals(passwdnonce)) {
subject = getSubject(user, userRTable);
}
}
return subject;
}
private Subject getSubject(String user, HashMap userRTable) {
Subject subject = null;
final String rolestr = (String)userRTable.get(user);
if (rolestr != null && !rolestr.trim().equals("")) {
//subject = new Subject();
final String tempUser = user;
//final Subject tempSubject = subject;
subject = (Subject) java.security.AccessController.doPrivileged(
new PrivilegedAction<Object>() {
public Object run(){
Subject tempSubject = new Subject();
tempSubject.getPrincipals().add(new MQUser(tempUser));
tempSubject.getPrincipals().add(new MQGroup(rolestr));
if (rolestr.equals(ADMINGROUP)) {
tempSubject.getPrincipals().add(
new MQAdminGroup(ADMINGROUP));
}
return tempSubject;
}
}
);
/*
// subject = new Subject();
// subject.getPrincipals().add(new MQUser(user));
// subject.getPrincipals().add(new MQGroup(rolestr));
// if (rolestr.equals(ADMINGROUP)) {
// subject.getPrincipals().add(new MQAdminGroup(ADMINGROUP));
// }
*/
}
return subject;
}
private void loadUserTable(HashMap userPTable, HashMap userRTable) throws IOException {
String rep = authProps.getProperty(
AccessController.PROP_AUTHENTICATION_PREFIX +
authType +AccessController.PROP_USER_REPOSITORY_SUFFIX);
if (rep == null) {
throw new IOException(Globals.getBrokerResources().getKString(
BrokerResources.X_USER_REPOSITORY_NOT_DEFINED, authType));
}
if (!rep.equals(TYPE)) {
String[] args = {rep, TYPE, this.getClass().getName()};
throw new IOException(Globals.getBrokerResources().getKString(
BrokerResources.X_REPOSITORY_TYPE_MISMATCH, args));
}
File pwdfile = getPasswordFile(authProps, false);
InputStreamReader fr = null;
BufferedReader br = null;
try {
fr = new InputStreamReader(new FileInputStream(pwdfile), "UTF8");
br = new BufferedReader(fr);
String line, name, passwd, role, active;
while ((line = br.readLine()) != null) {
name = passwd = role = active = null;
StringTokenizer st = new StringTokenizer(line, ":", false);
if (st.hasMoreTokens()) {
name = st.nextToken();
}
if (st.hasMoreTokens()) {
passwd = st.nextToken();
}
if (st.hasMoreTokens()) {
role = st.nextToken();
}
if (st.hasMoreTokens()) {
active = st.nextToken();
}
if (DEBUG) {
logger.log(Logger.INFO, "passwd entry "+name+":"+passwd+":"+role+":"+active);
}
if (name !=null && passwd != null && role != null
&& active != null && active.equals("1")) {
userPTable.put(name, passwd);
userRTable.put(name, role);
}
}
br.close();
fr.close();
} catch (IOException ioe) {
try {
if (br != null) br.close();
if (fr != null) fr.close();
} catch (IOException e) {}
IOException ex = new IOException(Globals.getBrokerResources().getKString(
BrokerResources.E_PW_FILE_READ_ERROR, pwdfile.toString(),
ioe.getMessage()));
ex.initCause(ioe);
throw ex;
}
}
public Refreshable getCacheData() {
return null;
}
public void close() throws LoginException { }
public static String getPasswordDirPath(Properties props, boolean fromUserManager) {
String passwd_loc = props.getProperty(
AccessController.PROP_USER_REPOSITORY_PREFIX
+PROP_DIRPATH_SUFFIX, Globals.getInstanceEtcDir());
if (fromUserManager) {
passwd_loc = StringUtil.expandVariables(passwd_loc, props);
}
return passwd_loc;
}
public static File getPasswordFile(Properties props, boolean fromUserManager) {
String passwd_loc = getPasswordDirPath(props, fromUserManager);
String f = props.getProperty(
AccessController.PROP_USER_REPOSITORY_PREFIX
+PROP_FILENAME_SUFFIX, DEFAULT_PW_FILENAME);
String pwdfile = passwd_loc +File.separator + f;
return new File(pwdfile);
}
}