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/*
* ============LICENSE_START==========================================
* org.onap.music
* ===================================================================
* Copyright (c) 2017 AT&T Intellectual Property
* ===================================================================
* Modifications Copyright (c) 2019 Samsung
* ===================================================================
* 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.
*
* ============LICENSE_END=============================================
* ====================================================================
*/
package org.onap.music.authentication;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletResponse;
import org.onap.music.eelf.logging.EELFLoggerDelegate;
import org.onap.music.exceptions.MusicAuthenticationException;
import org.onap.music.main.MusicUtil;
import com.fasterxml.jackson.databind.ObjectMapper;
/**
* This filter class does authorization from AAF
*
* @author sp931a
*
*/
//@PropertySource(value = {"file:/opt/app/music/etc/music.properties"})
public class MusicAuthorizationFilter implements Filter {
private String musicNS = MusicUtil.getMusicAafNs();
private EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(MusicAuthorizationFilter.class);
public MusicAuthorizationFilter() throws ServletException {
super();
}
@Override
public void init(FilterConfig filterConfig) throws ServletException {
// Do Nothing
}
@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
throws IOException, ServletException {
HttpServletResponse httpResponse = null;
boolean isAuthAllowed = false;
if (null != servletRequest && null != servletResponse) {
httpResponse = (HttpServletResponse) servletResponse;
long startTime = 0;
if( null != servletRequest.getAttribute("startTime")) {
startTime = ((Long)servletRequest.getAttribute("startTime")).longValue();
} else {
startTime = System.currentTimeMillis(); // this will set only incase the request attribute not found
}
try {
isAuthAllowed = AuthUtil.isAccessAllowed(servletRequest, musicNS);
} catch (MusicAuthenticationException e) {
logger.error(EELFLoggerDelegate.securityLogger,
"Error while checking authorization Music Namespace: " + musicNS + " : " + e.getMessage(),e);
} catch ( Exception e) {
logger.error(EELFLoggerDelegate.securityLogger,
"Error while checking authorization Music Namespace: " + musicNS + " : " + e.getMessage(),e);
}
long endTime = System.currentTimeMillis();
//startTime set in <code>CadiAuthFilter</code> doFilter
logger.debug(EELFLoggerDelegate.securityLogger,
"Time took for authentication & authorization : "
+ (endTime - startTime) + " milliseconds");
if (!isAuthAllowed) {
logger.info(EELFLoggerDelegate.securityLogger,
"Unauthorized Access");
AuthorizationError authError = new AuthorizationError();
authError.setResponseCode(HttpServletResponse.SC_UNAUTHORIZED);
authError.setResponseMessage("Unauthorized Access - Please make sure you are "
+ "onboarded and have proper access to MUSIC. ");
byte[] responseToSend = restResponseBytes(authError);
httpResponse.setHeader("Content-Type", "application/json");
httpResponse.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
servletResponse.getOutputStream().write(responseToSend);
return;
} else {
filterChain.doFilter(servletRequest, servletResponse);
}
}
}
private byte[] restResponseBytes(AuthorizationError eErrorResponse) throws IOException {
String serialized = new ObjectMapper().writeValueAsString(eErrorResponse);
return serialized.getBytes();
}
}
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