2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2018 AT&T Intellectual Property. All rights
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END============================================
20 * ===================================================================
24 package org.onap.clamp.clds;
26 import com.att.eelf.configuration.EELFLogger;
27 import com.att.eelf.configuration.EELFManager;
29 import java.io.IOException;
30 import java.security.Principal;
31 import java.util.ArrayList;
32 import java.util.List;
34 import javax.servlet.ServletException;
35 import javax.servlet.http.HttpServletRequest;
36 import javax.servlet.http.HttpServletResponse;
38 import org.apache.camel.component.servlet.CamelHttpTransportServlet;
39 import org.onap.clamp.clds.service.SecureServicePermission;
40 import org.onap.clamp.clds.util.ClampTimer;
41 import org.springframework.context.ApplicationContext;
42 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
43 import org.springframework.security.core.Authentication;
44 import org.springframework.security.core.GrantedAuthority;
45 import org.springframework.security.core.authority.SimpleGrantedAuthority;
46 import org.springframework.security.core.context.SecurityContextHolder;
47 import org.springframework.security.core.userdetails.User;
48 import org.springframework.web.context.support.WebApplicationContextUtils;
51 public class ClampServlet extends CamelHttpTransportServlet {
56 private static final long serialVersionUID = -7052719614021825641L;
57 protected static final EELFLogger logger = EELFManager.getInstance().getLogger(ClampServlet.class);
58 public static final String PERM_INSTANCE = "clamp.config.security.permission.instance";
59 public static final String PERM_CL= "clamp.config.security.permission.type.cl";
60 public static final String PERM_TEMPLATE = "clamp.config.security.permission.type.template";
63 protected void doService(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
64 Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
65 List<SecureServicePermission> permissionList = new ArrayList<>();
67 // Get Principal info and translate it into Spring Authentication
68 // If authenticataion is null: a) the authentication info was set manually in the previous thread
69 // b) handled by Spring automatically
70 // for the 2 cases above, no need for the translation, just skip the following step
71 if (null == authentication) {
72 logger.debug ("Populate Spring Authenticataion info manually.");
73 ApplicationContext applicationContext = WebApplicationContextUtils.getWebApplicationContext(this.getServletContext());
74 // Start a timer to clear the authentication after 5 mins, so that the authentication will be reinitialized with AAF DB
76 String cldsPersmissionTypeCl = applicationContext.getEnvironment().getProperty(PERM_CL);
77 String cldsPermissionTypeTemplate = applicationContext.getEnvironment().getProperty(PERM_TEMPLATE);
78 String cldsPermissionInstance = applicationContext.getEnvironment().getProperty(PERM_INSTANCE);
80 // set the stragety to Mode_Global, so that all thread is able to see the authentication
81 SecurityContextHolder.setStrategyName(SecurityContextHolder.MODE_GLOBAL);
82 Principal p = request.getUserPrincipal();
84 permissionList.add(SecureServicePermission.create(cldsPersmissionTypeCl, cldsPermissionInstance, "read"));
85 permissionList.add(SecureServicePermission.create(cldsPersmissionTypeCl, cldsPermissionInstance, "update"));
86 permissionList.add(SecureServicePermission.create(cldsPermissionTypeTemplate, cldsPermissionInstance, "read"));
87 permissionList.add(SecureServicePermission.create(cldsPermissionTypeTemplate, cldsPermissionInstance, "update"));
89 List<GrantedAuthority> grantedAuths = new ArrayList<>();
90 for (SecureServicePermission perm:permissionList) {
91 String permString = perm.toString();
92 if (request.isUserInRole(permString)) {
93 grantedAuths.add(new SimpleGrantedAuthority(permString));
96 Authentication auth = new UsernamePasswordAuthenticationToken(new User(p.getName(), "", grantedAuths), "", grantedAuths);
97 SecurityContextHolder.getContext().setAuthentication(auth);
99 super.doService(request, response);