package org.apache.archiva.redback.integration.checks.security;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.
   */
  
  import org.apache.archiva.redback.integration.security.role.RedbackRoleConstants;
  import org.apache.archiva.redback.rbac.RBACManager;
  import org.apache.archiva.redback.rbac.RbacManagerException;
  import org.apache.archiva.redback.rbac.UserAssignment;
  import org.apache.archiva.redback.system.check.EnvironmentCheck;
  import org.apache.archiva.redback.users.User;
  import org.apache.archiva.redback.users.UserManager;
  import org.apache.archiva.redback.users.UserManagerException;
  import org.apache.archiva.redback.users.UserNotFoundException;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.stereotype.Service;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * LockedAdminEnvironmentCheck: checks if accounts marked as system administrator are locked
   * and unlocks them on startup.
   *
   * @author: Jesse McConnell <jesse@codehaus.org>
   */
  @Service( "environmentCheck#locked-admin-check" )
  public class LockedAdminEnvironmentCheck
      implements EnvironmentCheck
  {
  
      protected Logger log = LoggerFactory.getLogger( getClass() );
  
      @Inject
      @Named( value = "userManager#default" )
      private UserManager userManager;
  
      @Inject
      @Named( value = "rbacManager#default" )
      private RBACManager rbacManager;
  
      /**
       * boolean detailing if this environment check has been executed
       */
      private boolean checked = false;
  
      /**
       * This environment check will unlock system administrator accounts that are locked on the restart of the
       * application when the environment checks are processed.
       *
       * @param violations
       */
      public void validateEnvironment( List<String> violations )
      {
          if ( !checked && !userManager.isReadOnly() )
          {
              List<String> roles = new ArrayList<String>();
              roles.add( RedbackRoleConstants.SYSTEM_ADMINISTRATOR_ROLE );
  
              List<UserAssignment> systemAdminstrators;
              try
              {
                  systemAdminstrators = rbacManager.getUserAssignmentsForRoles( roles );
  
                  for ( UserAssignment userAssignment : systemAdminstrators )
                  {
                      try
                      {
                          User admin = userManager.findUser( userAssignment.getPrincipal() );
  
                          if ( admin.isLocked() )
                          {
                              log.info( "Unlocking system administrator: {}", admin.getUsername() );
                              admin.setLocked( false );
                              userManager.updateUser( admin );
                          }
                      }
                      catch ( UserNotFoundException ne )
                      {
                          log.warn( "Dangling UserAssignment -> {}", userAssignment.getPrincipal() );
                     }
                     catch ( UserManagerException e )
                     {
                         log.warn( "fail to find user {} for admin unlock check: {}", userAssignment.getPrincipal(),
                                   e.getMessage() );
                     }
                 }
             }
             catch ( RbacManagerException e )
             {
                 log.warn( "Exception when checking for locked admin user: " + e.getMessage(), e );
             }
 
             checked = true;
         }
     }
 }