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/*******************************************************************************
* =============LICENSE_START=========================================================
*
* =================================================================================
* Copyright (c) 2020 AT&T Intellectual Property. 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.
* ============LICENSE_END=========================================================
*
*******************************************************************************/
package org.onap.portalapp.interceptor;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Base64;
import org.apache.http.HttpStatus;
import org.onap.portalsdk.core.domain.User;
import org.onap.portalsdk.core.service.UserProfileService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
public class AuthenticationInterceptor implements HandlerInterceptor {
@Autowired
private UserProfileService userSvc;
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response,
Object handler) {
String authString = request.getHeader("Authorization");
try {
if (authString == null || authString.isEmpty()) {
response.setStatus(HttpStatus.SC_UNAUTHORIZED);
response.sendError(HttpStatus.SC_UNAUTHORIZED,
"Authentication information is missing");
return false; // Do not continue with request
} else {
String decodedAuth = "";
String[] authParts = authString.split("\\s+");
String authInfo = authParts[1];
byte[] bytes = null;
bytes = Base64.getDecoder().decode(authInfo);
// DatatypeConverter.parseBase64Binary(authInfo);
decodedAuth = new String(bytes, StandardCharsets.UTF_8);
String[] authen = decodedAuth.split(":");
if (authen.length > 1) {
User user = userSvc.getUserByLoginId(authen[0]);
if (user == null) {
response.sendError(HttpStatus.SC_UNAUTHORIZED,
"Un-authorized to perform this operation");
return false;
}
} else {
return false;
}
}
} catch (Exception e) {
try {
response.sendError(HttpStatus.SC_UNAUTHORIZED, e.getMessage());
} catch (IOException e1) {
return false;
}
return false;
}
return true; // Continue with request
}
@Override
public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
ModelAndView modelAndView) throws Exception {
// Ignore
}
@Override
public void afterCompletion(HttpServletRequest request, HttpServletResponse response,
Object handler, Exception ex) throws Exception {
// Ignore
}
}
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