opendaylight/security/src/main/java/org/opendaylight/controller/security/ControllerCustomRealm.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.security;
   9
  10 import java.security.Principal;
  11 import java.util.ArrayList;
  12 import java.util.List;
  13
  14 import org.apache.catalina.realm.GenericPrincipal;
  15 import org.apache.catalina.realm.RealmBase;
  16 import org.opendaylight.controller.sal.authorization.AuthResultEnum;
  17 import org.opendaylight.controller.sal.authorization.UserLevel;
  18 import org.opendaylight.controller.sal.utils.ServiceHelper;
  19 import org.opendaylight.controller.usermanager.IUserManager;
  20 import org.slf4j.Logger;
  21 import org.slf4j.LoggerFactory;
  22
  23 public class ControllerCustomRealm  extends RealmBase {
  24
  25     private static final String name = "ControllerCustomRealm";
  26
  27     private static final Logger logger = LoggerFactory
  28             .getLogger(ControllerCustomRealm.class);
  29
  30     @Override
  31     protected String getName() {
  32         return name;
  33     }
  34
  35     @Override
  36     protected String getPassword(String username) {
  37         IUserManager userManager = (IUserManager) ServiceHelper
  38                 .getGlobalInstance(IUserManager.class, this);
  39         if (userManager != null) {
  40             return userManager.getPassword(username);
  41         } else {
  42             throw new RuntimeException("User Manager reference is null");
  43         }
  44     }
  45
  46     @Override
  47     protected Principal getPrincipal(String username) {
  48         IUserManager userManager = (IUserManager) ServiceHelper
  49                 .getGlobalInstance(IUserManager.class, this);
  50         if (userManager != null) {
  51             List<String> controllerRoles = new ArrayList<String>();
  52             for (UserLevel level : userManager.getUserLevels(username)) {
  53                 controllerRoles.add(level.toString());
  54             }
  55             return new GenericPrincipal(username, "", controllerRoles);
  56         } else {
  57             throw new RuntimeException("User Manager reference is null");
  58         }
  59     }
  60
  61     @Override
  62     public Principal authenticate(String username, String credentials) {
  63
  64         IUserManager userManager = (IUserManager) ServiceHelper
  65                 .getGlobalInstance(IUserManager.class, this);
  66         if (userManager != null) {
  67             AuthResultEnum result = userManager.authenticate(username,
  68                     credentials);
  69             if (result.equals(AuthResultEnum.AUTHOR_PASS)
  70                     || result.equals(AuthResultEnum.AUTH_ACCEPT_LOC)
  71                     || result.equals(AuthResultEnum.AUTH_ACCEPT)) {
  72                 return this.getPrincipal(username);
  73             } else {
  74                 logger.error("Authentication failed for user " + username);
  75                 return null;
  76             }
  77         } else {
  78             throw new RuntimeException("User Manager reference is null");
  79         }
  80     }
  81
  82 }