/*
* Copyright 2001-2008 The Apache Software Foundation.
*
* 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.apache.juddi.v3.auth;
import java.io.IOException;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import javax.crypto.BadPaddingException;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.xml.bind.JAXBException;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.juddi.config.AppConfig;
import org.apache.juddi.config.Property;
import org.apache.juddi.cryptor.Cryptor;
import org.apache.juddi.cryptor.CryptorFactory;
import org.apache.juddi.v3.error.AuthenticationException;
import org.apache.juddi.v3.error.ErrorMessage;
import org.apache.juddi.v3.error.FatalErrorException;
import org.apache.juddi.v3.error.RegistryException;
import org.apache.juddi.v3.error.UnknownUserException;
/**
* @author Anou Manavalan
*/
public class CryptedXMLDocAuthenticator extends XMLDocAuthenticator {
private Log logger = LogFactory.getLog(this.getClass());
/**
* @throws IOException
* @throws JAXBException
* @throws ConfigurationException
*
*/
public CryptedXMLDocAuthenticator() throws JAXBException, IOException, ConfigurationException {
super();
}
@Override
protected String getFilename() throws ConfigurationException {
return AppConfig.getConfiguration().getString(Property.JUDDI_USERSFILE, Property.DEFAULT_ENCRYPTED_XML_USERSFILE);
}
/**
*
*/
public String authenticate(String userID, String credential)
throws AuthenticationException, FatalErrorException {
preProcess(userID, credential);
String encryptedCredential = encrypt(credential);
return postProcess(userID, encryptedCredential);
}
/**
*
*/
private String encrypt(String str) throws FatalErrorException {
try {
Cryptor cryptor = (Cryptor) CryptorFactory.getCryptor();
return cryptor.encrypt(str);
} catch (InvalidKeyException e) {
logger.error("Invalid Key Exception in crypting the password", e);
throw new FatalErrorException(new ErrorMessage(
"errors.auth.cryptor.InvalidKey", e.getMessage()));
} catch (NoSuchPaddingException e) {
logger.error("Padding Exception in crypting the password", e);
throw new FatalErrorException(new ErrorMessage(
"errors.auth.cryptor.Padding", e.getMessage()));
} catch (NoSuchAlgorithmException e) {
logger.error("Algorithm Exception in crypting the password", e);
throw new FatalErrorException(new ErrorMessage(
"errors.auth.cryptor.Algorithm", e.getMessage()));
} catch (InvalidAlgorithmParameterException e) {
logger.error("Algorithm parameter Exception in crypting the password",
e);
throw new FatalErrorException(new ErrorMessage(
"errors.auth.cryptor.AlgorithmParam", e.getMessage()));
} catch (IllegalBlockSizeException e) {
logger.error("Block size Exception in crypting the password", e);
throw new FatalErrorException(new ErrorMessage(
"errors.auth.cryptor.BlockSize", e.getMessage()));
} catch (BadPaddingException e) {
logger.error("Bad Padding Exception in crypting the password", e);
throw new FatalErrorException(new ErrorMessage(
"errors.auth.cryptor.BadPadding", e.getMessage()));
}
}
/**
* @param userID
* @param credential
* @throws RegistryException
*/
private void preProcess(String userID, String credential)
throws AuthenticationException {
// a userID must be specified.
if (userID == null) {
throw new UnknownUserException(new ErrorMessage(
"errors.auth.InvalidUserId"));
}
// credential (password) must be specified.
if (credential == null) {
throw new UnknownUserException(new ErrorMessage(
"errors.auth.InvalidCredentials"));
}
}
/**
* @param userID
* @param encryptedCredential
* @return
* @throws AuthenticationException
*/
private String postProcess(String userID, String encryptedCredential)
throws AuthenticationException {
if (userTable.containsKey(userID)) {
User user = (User) userTable.get(userID);
if ((user.getPassword() == null)
|| (!encryptedCredential.equals(user.getPassword()))) {
throw new UnknownUserException(new ErrorMessage(
"errors.auth.InvalidCredentials", userID));
}
} else {
throw new UnknownUserException(new ErrorMessage(
"errors.auth.InvalidUserId", userID));
}
return userID;
}
}