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Commit 5d9f2052 authored by Greg Thomas's avatar Greg Thomas
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src/java/org/jivesoftware/openfire/auth/AuthFactory.java
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/*
* Copyright (C) 2004-2008 Jive Software. All rights reserved.
*
* Licensed 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.jivesoftware.openfire.auth;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Map;
import org.jivesoftware.openfire.lockout.LockOutManager;
import org.jivesoftware.openfire.user.UserNotFoundException;
import org.jivesoftware.util.Blowfish;
import org.jivesoftware.util.ClassUtils;
import org.jivesoftware.util.JiveGlobals;
import org.jivesoftware.util.LocaleUtils;
import org.jivesoftware.util.PropertyEventDispatcher;
import org.jivesoftware.util.PropertyEventListener;
import org.jivesoftware.util.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Pluggable authentication service. Users of Openfire that wish to change the AuthProvider
* implementation used to authenticate users can set the <code>AuthProvider.className</code>
* system property. For example, if you have configured Openfire to use LDAP for user information,
* you'd want to send a custom implementation of AuthFactory to make LDAP auth queries.
* After changing the <code>AuthProvider.className</code> system property, you must restart your
* application server.
*
* @author Matt Tucker
*/
public class AuthFactory {
private static final Logger Log = LoggerFactory.getLogger(AuthFactory.class);
private static AuthProvider authProvider = null;
private static MessageDigest digest;
private static final Object DIGEST_LOCK = new Object();
private static Blowfish cipher = null;
static {
// Create a message digest instance.
try {
digest = MessageDigest.getInstance("SHA");
}
catch (NoSuchAlgorithmException e) {
Log.error(LocaleUtils.getLocalizedString("admin.error"), e);
}
// Load an auth provider.
initProvider();
// Detect when a new auth provider class is set
PropertyEventListener propListener = new PropertyEventListener() {
@Override
public void propertySet(String property, Map params) {
if ("provider.auth.className".equals(property)) {
initProvider();
}
}
@Override
public void propertyDeleted(String property, Map params) {
//Ignore
}
@Override
public void xmlPropertySet(String property, Map params) {
//Ignore
}
@Override
public void xmlPropertyDeleted(String property, Map params) {
//Ignore
}
};
PropertyEventDispatcher.addListener(propListener);
}
private static void initProvider() {
// Convert XML based provider setup to Database based
JiveGlobals.migrateProperty("provider.auth.className");
String className = JiveGlobals.getProperty("provider.auth.className",
"org.jivesoftware.openfire.auth.DefaultAuthProvider");
// Check if we need to reset the auth provider class
if (authProvider == null || !className.equals(authProvider.getClass().getName())) {
try {
Class c = ClassUtils.forName(className);
authProvider = (AuthProvider)c.newInstance();
}
catch (Exception e) {
Log.error("Error loading auth provider: " + className, e);
authProvider = new DefaultAuthProvider();
}
}
}
/**
* Returns the currently-installed AuthProvider. <b>Warning:</b> in virtually all
* cases the auth provider should not be used directly. Instead, the appropriate
* methods in AuthFactory should be called. Direct access to the auth provider is
* only provided for special-case logic.
*
* @return the current UserProvider.
* @deprecated Prefer using the corresponding factory method, rather than
* invoking methods on the provider directly
*/
public static AuthProvider getAuthProvider() {
return authProvider;
}
/**
* Returns whether the currently-installed AuthProvider is instance of a specific class.
* @param c the class to compare with
* @return true - if the currently-installed AuthProvider is instance of c, false otherwise.
*/
public static boolean isProviderInstanceOf(Class<?> c) {
return c.isInstance(authProvider);
}
/**
* Indicates if the currently-installed AuthProvider is the HybridAuthProvider supporting a specific class.
*
* @param clazz the class to check
* @return {@code true} if the currently-installed AuthProvider is a HybridAuthProvider that supports an instance of clazz, otherwise {@code false}.
*/
public static boolean isProviderHybridInstanceOf(Class<? extends AuthProvider> clazz) {
return authProvider instanceof HybridAuthProvider &&
((HybridAuthProvider) authProvider).isProvider(clazz);
}
/**
* Returns true if the currently installed {@link AuthProvider} supports password
* retrieval. Certain implementation utilize password hashes and other authentication
* mechanisms that do not require the original password.
*
* @return true if plain password retrieval is supported.
*/
public static boolean supportsPasswordRetrieval() {
return authProvider.supportsPasswordRetrieval();
}
/**
* Returns the user's password. This method will throw an UnsupportedOperationException
* if this operation is not supported by the backend user store.
*
* @param username the username of the user.
* @return the user's password.
* @throws UserNotFoundException if the given user could not be found.
* @throws UnsupportedOperationException if the provider does not
* support the operation (this is an optional operation).
*/
public static String getPassword(String username) throws UserNotFoundException,
UnsupportedOperationException {
return authProvider.getPassword(username.toLowerCase());
}
/**
* Sets the users's password. This method should throw an UnsupportedOperationException
* if this operation is not supported by the backend user store.
*
* @param username the username of the user.
* @param password the new plaintext password for the user.
* @throws UserNotFoundException if the given user could not be loaded.
* @throws UnsupportedOperationException if the provider does not
* support the operation (this is an optional operation).
*/
public static void setPassword(String username, String password) throws UserNotFoundException,
UnsupportedOperationException, ConnectionException, InternalUnauthenticatedException {
authProvider.setPassword(username, password);
}
/**
* Authenticates a user with a username and plain text password and returns and
* AuthToken. If the username and password do not match the record of
* any user in the system, this method throws an UnauthorizedException.
*
* @param username the username.
* @param password the password.
* @return an AuthToken token if the username and password are correct.
* @throws UnauthorizedException if the username and password do not match any existing user
* or the account is locked out.
*/
public static AuthToken authenticate(String username, String password)
throws UnauthorizedException, ConnectionException, InternalUnauthenticatedException {
if (LockOutManager.getInstance().isAccountDisabled(username)) {
LockOutManager.getInstance().recordFailedLogin(username);
throw new UnauthorizedException();
}
authProvider.authenticate(username, password);
return new AuthToken(username);
}
/**
* Returns a digest given a token and password, according to JEP-0078.
*
* @param token the token used in the digest.
* @param password the plain-text password to be digested.
* @return the digested result as a hex string.
*/
public static String createDigest(String token, String password) {
synchronized (DIGEST_LOCK) {
digest.update(token.getBytes());
return StringUtils.encodeHex(digest.digest(password.getBytes()));
}
}
/**
* Returns an encrypted version of the plain-text password. Encryption is performed
* using the Blowfish algorithm. The encryption key is stored as the Jive property
* "passwordKey". If the key is not present, it will be automatically generated.
*
* @param password the plain-text password.
* @return the encrypted password.
* @throws UnsupportedOperationException if encryption/decryption is not possible;
* for example, during setup mode.
*/
public static String encryptPassword(String password) {
if (password == null) {
return null;
}
Blowfish cipher = getCipher();
if (cipher == null) {
throw new UnsupportedOperationException();
}
return cipher.encryptString(password);
}
/**
* Returns a decrypted version of the encrypted password. Encryption is performed
* using the Blowfish algorithm. The encryption key is stored as the Jive property
* "passwordKey". If the key is not present, it will be automatically generated.
*
* @param encryptedPassword the encrypted password.
* @return the encrypted password.
* @throws UnsupportedOperationException if encryption/decryption is not possible;
* for example, during setup mode.
*/
public static String decryptPassword(String encryptedPassword) {
if (encryptedPassword == null) {
return null;
}
Blowfish cipher = getCipher();
if (cipher == null) {
throw new UnsupportedOperationException();
}
return cipher.decryptString(encryptedPassword);
}
/**
* Returns a Blowfish cipher that can be used for encrypting and decrypting passwords.
* The encryption key is stored as the Jive property "passwordKey". If it's not present,
* it will be automatically generated.
*
* @return the Blowfish cipher, or <tt>null</tt> if Openfire is not able to create a Cipher;
* for example, during setup mode.
*/
private static synchronized Blowfish getCipher() {
if (cipher != null) {
return cipher;
}
// Get the password key, stored as a database property. Obviously,
// protecting your database is critical for making the
// encryption fully secure.
String keyString;
try {
keyString = JiveGlobals.getProperty("passwordKey");
if (keyString == null) {
keyString = StringUtils.randomString(15);
JiveGlobals.setProperty("passwordKey", keyString);
// Check to make sure that setting the property worked. It won't work,
// for example, when in setup mode.
if (!keyString.equals(JiveGlobals.getProperty("passwordKey"))) {
return null;
}
}
cipher = new Blowfish(keyString);
}
catch (Exception e) {
Log.error(e.getMessage(), e);
}
return cipher;
}
public static boolean supportsScram() {
// TODO Auto-generated method stub
return authProvider.isScramSupported();
}
public static String getSalt(String username) throws UnsupportedOperationException, UserNotFoundException {
return authProvider.getSalt(username);
}
public static int getIterations(String username) throws UnsupportedOperationException, UserNotFoundException {
return authProvider.getIterations(username);
}
public static String getServerKey(String username) throws UnsupportedOperationException, UserNotFoundException {
return authProvider.getServerKey(username);
}
public static String getStoredKey(String username) throws UnsupportedOperationException, UserNotFoundException {
return authProvider.getStoredKey(username);
}
}
/*
* Copyright (C) 2004-2008 Jive Software. All rights reserved.
*
* Licensed 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.jivesoftware.openfire.auth;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Map;
import org.jivesoftware.openfire.lockout.LockOutManager;
import org.jivesoftware.openfire.user.UserNotFoundException;
import org.jivesoftware.util.Blowfish;
import org.jivesoftware.util.ClassUtils;
import org.jivesoftware.util.JiveGlobals;
import org.jivesoftware.util.LocaleUtils;
import org.jivesoftware.util.PropertyEventDispatcher;
import org.jivesoftware.util.PropertyEventListener;
import org.jivesoftware.util.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Pluggable authentication service. Users of Openfire that wish to change the AuthProvider
* implementation used to authenticate users can set the <code>AuthProvider.className</code>
* system property. For example, if you have configured Openfire to use LDAP for user information,
* you'd want to send a custom implementation of AuthFactory to make LDAP auth queries.
* After changing the <code>AuthProvider.className</code> system property, you must restart your
* application server.
*
* @author Matt Tucker
*/
public class AuthFactory {
private static final Logger Log = LoggerFactory.getLogger(AuthFactory.class);
private static AuthProvider authProvider = null;
private static MessageDigest digest;
private static final Object DIGEST_LOCK = new Object();
private static Blowfish cipher = null;
static {
// Create a message digest instance.
try {
digest = MessageDigest.getInstance("SHA");
}
catch (NoSuchAlgorithmException e) {
Log.error(LocaleUtils.getLocalizedString("admin.error"), e);
}
// Load an auth provider.
initProvider();
// Detect when a new auth provider class is set
PropertyEventListener propListener = new PropertyEventListener() {
@Override
public void propertySet(String property, Map params) {
if ("provider.auth.className".equals(property)) {
initProvider();
}
}
@Override
public void propertyDeleted(String property, Map params) {
//Ignore
}
@Override
public void xmlPropertySet(String property, Map params) {
//Ignore
}
@Override
public void xmlPropertyDeleted(String property, Map params) {
//Ignore
}
};
PropertyEventDispatcher.addListener(propListener);
}
private static void initProvider() {
// Convert XML based provider setup to Database based
JiveGlobals.migrateProperty("provider.auth.className");
String className = JiveGlobals.getProperty("provider.auth.className",
"org.jivesoftware.openfire.auth.DefaultAuthProvider");
// Check if we need to reset the auth provider class
if (authProvider == null || !className.equals(authProvider.getClass().getName())) {
try {
Class c = ClassUtils.forName(className);
authProvider = (AuthProvider)c.newInstance();
}
catch (Exception e) {
Log.error("Error loading auth provider: " + className, e);
authProvider = new DefaultAuthProvider();
}
}
}
/**
* Returns the currently-installed AuthProvider. <b>Warning:</b> in virtually all
* cases the auth provider should not be used directly. Instead, the appropriate
* methods in AuthFactory should be called. Direct access to the auth provider is
* only provided for special-case logic.
*
* @return the current UserProvider.
* @deprecated Prefer using the corresponding factory method, rather than
* invoking methods on the provider directly
*/
public static AuthProvider getAuthProvider() {
return authProvider;
}
/**
* Returns whether the currently-installed AuthProvider is instance of a specific class.
* @param c the class to compare with
* @return true - if the currently-installed AuthProvider is instance of c, false otherwise.
*/
public static boolean isProviderInstanceOf(Class<?> c) {
return c.isInstance(authProvider);
}
/**
* Indicates if the currently-installed AuthProvider is the HybridAuthProvider supporting a specific class.
*
* @param clazz the class to check
* @return {@code true} if the currently-installed AuthProvider is a HybridAuthProvider that supports an instance of clazz, otherwise {@code false}.
*/
public static boolean isProviderHybridInstanceOf(Class<? extends AuthProvider> clazz) {
return authProvider instanceof HybridAuthProvider &&
((HybridAuthProvider) authProvider).isProvider(clazz);
}
/**
* Returns true if the currently installed {@link AuthProvider} supports password
* retrieval. Certain implementation utilize password hashes and other authentication
* mechanisms that do not require the original password.
*
* @return true if plain password retrieval is supported.
*/
public static boolean supportsPasswordRetrieval() {
return authProvider.supportsPasswordRetrieval();
}
/**
* Returns the user's password. This method will throw an UnsupportedOperationException
* if this operation is not supported by the backend user store.
*
* @param username the username of the user.
* @return the user's password.
* @throws UserNotFoundException if the given user could not be found.
* @throws UnsupportedOperationException if the provider does not
* support the operation (this is an optional operation).
*/
public static String getPassword(String username) throws UserNotFoundException,
UnsupportedOperationException {
return authProvider.getPassword(username.toLowerCase());
}
/**
* Sets the users's password. This method should throw an UnsupportedOperationException
* if this operation is not supported by the backend user store.
*
* @param username the username of the user.
* @param password the new plaintext password for the user.
* @throws UserNotFoundException if the given user could not be loaded.
* @throws UnsupportedOperationException if the provider does not
* support the operation (this is an optional operation).
*/
public static void setPassword(String username, String password) throws UserNotFoundException,
UnsupportedOperationException, ConnectionException, InternalUnauthenticatedException {
authProvider.setPassword(username, password);
}
/**
* Authenticates a user with a username and plain text password and returns and
* AuthToken. If the username and password do not match the record of
* any user in the system, this method throws an UnauthorizedException.
*
* @param username the username.
* @param password the password.
* @return an AuthToken token if the username and password are correct.
* @throws UnauthorizedException if the username and password do not match any existing user
* or the account is locked out.
*/
public static AuthToken authenticate(String username, String password)
throws UnauthorizedException, ConnectionException, InternalUnauthenticatedException {
if (LockOutManager.getInstance().isAccountDisabled(username)) {
LockOutManager.getInstance().recordFailedLogin(username);
throw new UnauthorizedException();
}
authProvider.authenticate(username, password);
return new AuthToken(username);
}
/**
* Returns a digest given a token and password, according to JEP-0078.
*
* @param token the token used in the digest.
* @param password the plain-text password to be digested.
* @return the digested result as a hex string.
*/
public static String createDigest(String token, String password) {
synchronized (DIGEST_LOCK) {
digest.update(token.getBytes());
return StringUtils.encodeHex(digest.digest(password.getBytes()));
}
}
/**
* Returns an encrypted version of the plain-text password. Encryption is performed
* using the Blowfish algorithm. The encryption key is stored as the Jive property
* "passwordKey". If the key is not present, it will be automatically generated.
*
* @param password the plain-text password.
* @return the encrypted password.
* @throws UnsupportedOperationException if encryption/decryption is not possible;
* for example, during setup mode.
*/
public static String encryptPassword(String password) {
if (password == null) {
return null;
}
Blowfish cipher = getCipher();
if (cipher == null) {
throw new UnsupportedOperationException();
}
return cipher.encryptString(password);
}
/**
* Returns a decrypted version of the encrypted password. Encryption is performed
* using the Blowfish algorithm. The encryption key is stored as the Jive property
* "passwordKey". If the key is not present, it will be automatically generated.
*
* @param encryptedPassword the encrypted password.
* @return the encrypted password.
* @throws UnsupportedOperationException if encryption/decryption is not possible;
* for example, during setup mode.
*/
public static String decryptPassword(String encryptedPassword) {
if (encryptedPassword == null) {
return null;
}
Blowfish cipher = getCipher();
if (cipher == null) {
throw new UnsupportedOperationException();
}
return cipher.decryptString(encryptedPassword);
}
/**
* Returns a Blowfish cipher that can be used for encrypting and decrypting passwords.
* The encryption key is stored as the Jive property "passwordKey". If it's not present,
* it will be automatically generated.
*
* @return the Blowfish cipher, or <tt>null</tt> if Openfire is not able to create a Cipher;
* for example, during setup mode.
*/
private static synchronized Blowfish getCipher() {
if (cipher != null) {
return cipher;
}
// Get the password key, stored as a database property. Obviously,
// protecting your database is critical for making the
// encryption fully secure.
String keyString;
try {
keyString = JiveGlobals.getProperty("passwordKey");
if (keyString == null) {
keyString = StringUtils.randomString(15);
JiveGlobals.setProperty("passwordKey", keyString);
// Check to make sure that setting the property worked. It won't work,
// for example, when in setup mode.
if (!keyString.equals(JiveGlobals.getProperty("passwordKey"))) {
return null;
}
}
cipher = new Blowfish(keyString);
}
catch (Exception e) {
Log.error(e.getMessage(), e);
}
return cipher;
}
public static boolean supportsScram() {
// TODO Auto-generated method stub
return authProvider.isScramSupported();
}
public static String getSalt(String username) throws UnsupportedOperationException, UserNotFoundException {
return authProvider.getSalt(username);
}
public static int getIterations(String username) throws UnsupportedOperationException, UserNotFoundException {
return authProvider.getIterations(username);
}
public static String getServerKey(String username) throws UnsupportedOperationException, UserNotFoundException {
return authProvider.getServerKey(username);
}
public static String getStoredKey(String username) throws UnsupportedOperationException, UserNotFoundException {
return authProvider.getStoredKey(username);
}
}
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