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/*
* Copyright © 2017-2018 AT&T Intellectual Property. Modifications Copyright © 2018 IBM.
*
* 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.
*
*
* Unless otherwise specified, all documentation contained herein is licensed under the Creative
* Commons License, Attribution 4.0 Intl. (the "License"); you may not use this documentation except
* in compliance with the License. You may obtain a copy of the License at
*
* https://creativecommons.org/licenses/by/4.0/
*
* Unless required by applicable law or agreed to in writing, documentation 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.onap.optf.cmso.common;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.client.ClientRequestContext;
import javax.ws.rs.client.ClientRequestFilter;
import javax.ws.rs.core.MultivaluedMap;
import javax.xml.bind.DatatypeConverter;
/**
* The Class BasicAuthenticatorFilter.
*/
public class BasicAuthenticatorFilter implements ClientRequestFilter {
private static EELFLogger log = EELFManager.getInstance().getLogger(BasicAuthenticatorFilter.class);
private final String user;
private final String password;
/**
* Instantiates a new basic authenticator filter.
*
* @param user the user
* @param password the password
*/
public BasicAuthenticatorFilter(String user, String password) {
this.user = user;
this.password = password;
log.info("user: " + user + " pass:" + password);
}
/**
* Filter.
*
* @param requestContext the request context
* @throws IOException Signals that an I/O exception has occurred.
*/
@Override
public void filter(ClientRequestContext requestContext) throws IOException {
MultivaluedMap<String, Object> headers = requestContext.getHeaders();
final String basicAuthentication = getBasicAuthentication();
headers.add("Authorization", basicAuthentication);
}
private String getBasicAuthentication() {
String token = this.user + ":" + this.password;
try {
return "Basic " + DatatypeConverter.printBase64Binary(token.getBytes("UTF-8"));
} catch (UnsupportedEncodingException ex) {
throw new IllegalStateException("Cannot encode with UTF-8", ex);
}
}
/**
* Gets the user.
*
* @param request the request
* @return the user
*/
public static String getUser(HttpServletRequest request) {
String user = "";
String header = request.getHeader("Authorization");
if (header != null) {
String[] auth = header.split("Basic ");
if (auth.length == 2) {
String token = getToken(auth[1]);
if (token.contains(":")) {
String[] tokens = token.split(":");
user = tokens[0];
}
}
}
return user;
}
private static String getToken(String auth) {
try {
String token = new String(DatatypeConverter.parseBase64Binary(auth));
return token;
} catch (Exception e) {
return auth;
}
}
}
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