package org.apache.archiva.web.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.admin.model.RepositoryAdminException;
  import org.apache.archiva.admin.model.runtime.RedbackRuntimeConfigurationAdmin;
  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.context.ApplicationContext;
  import org.springframework.stereotype.Service;
  
  import javax.annotation.PostConstruct;
  import javax.inject.Inject;
  import javax.inject.Named;
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * @author Olivier Lamy
   */
  @Service( "environmentCheck#archiva-locked-admin-check" )
  public class ArchivaLockedAdminEnvironmentCheck
      implements EnvironmentCheck
  {
  
      protected Logger log = LoggerFactory.getLogger( getClass() );
  
  
      @Inject
      @Named( value = "rbacManager#cached" )
      private RBACManager rbacManager;
  
      /**
       * boolean detailing if this environment check has been executed
       */
      private boolean checked = false;
  
      @Inject
      private ApplicationContext applicationContext;
  
      @Inject
      private RedbackRuntimeConfigurationAdmin redbackRuntimeConfigurationAdmin;
  
      private List<UserManager> userManagers;
  
      @PostConstruct
      protected void initialize()
          throws RepositoryAdminException
      {
          List<String> userManagerImpls =
              redbackRuntimeConfigurationAdmin.getRedbackRuntimeConfiguration().getUserManagerImpls();
  
          userManagers = new ArrayList<>( userManagerImpls.size() );
  
          for ( String beanId : userManagerImpls )
          {
              userManagers.add( applicationContext.getBean( "userManager#" + beanId, UserManager.class ) );
          }
      }
  
      /**
       * 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
       */
      @Override
      public void validateEnvironment( List<String> violations )
      {
          if ( !checked )
          {
  
              for ( UserManager userManager : userManagers )
              {
                 if ( userManager.isReadOnly() )
                 {
                     continue;
                 }
                 List<String> roles = new ArrayList<>();
                 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;
             }
 
         }
 
     }
 }