ECOMP-PDP-REST/src/main/java/org/openecomp/policy/pdp/rest/restAuth/PDPAuthenticationFilter.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ECOMP-PDP-REST
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.openecomp.policy.pdp.rest.restAuth;
  22
  23 import java.io.IOException;
  24
  25 import javax.servlet.Filter;
  26 import javax.servlet.FilterChain;
  27 import javax.servlet.FilterConfig;
  28 import javax.servlet.ServletException;
  29 import javax.servlet.ServletRequest;
  30 import javax.servlet.ServletResponse;
  31 import javax.servlet.annotation.WebFilter;
  32 import javax.servlet.http.HttpServletRequest;
  33 import javax.servlet.http.HttpServletResponse;
  34
  35 import org.openecomp.policy.pdp.rest.restAuth.AuthenticationService;
  36
  37 /**
  38  * Servlet Filter implementation class PDPAuthenticationFilter
  39  */
  40 @WebFilter("/*")
  41 public class PDPAuthenticationFilter implements Filter {
  42
  43         public static final String AUTHENTICATION_HEADER = "Authorization";
  44
  45         @Override
  46         public void doFilter(ServletRequest request, ServletResponse response,
  47                         FilterChain filter) throws IOException, ServletException {
  48                 if (request instanceof HttpServletRequest) {
  49                         HttpServletRequest httpServletRequest = (HttpServletRequest) request;
  50                         String authCredentials = httpServletRequest.getHeader(AUTHENTICATION_HEADER);
  51                         String path = ((HttpServletRequest) request).getRequestURI();
  52                         // better injected
  53                         AuthenticationService authenticationService = new AuthenticationService();
  54
  55                         boolean authenticationStatus = authenticationService.authenticate(authCredentials);
  56
  57                         if (authenticationStatus) {
  58                                 filter.doFilter(request, response);
  59                         } else if(path.contains("notifications")){
  60                                 filter.doFilter(request, response);
  61                         } else {
  62                                 if (response instanceof HttpServletResponse) {
  63                                         HttpServletResponse httpServletResponse = (HttpServletResponse) response;
  64                                         httpServletResponse.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
  65                                 }
  66                         }
  67                 }
  68         }
  69
  70         @Override
  71         public void destroy() {
  72         }
  73
  74         @Override
  75         public void init(FilterConfig arg0) throws ServletException {
  76         }
  77
  78 }