content: /*
   * Copyright 1999-2023 Alibaba Group Holding Ltd.
   *
   * Licensed 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.
   */
  
  package com.alibaba.nacos.plugin.auth.impl.ldap;
  
  import com.alibaba.nacos.plugin.auth.impl.authenticate.IAuthenticationManager;
  import com.alibaba.nacos.plugin.auth.impl.authenticate.LdapAuthenticationManager;
  import com.alibaba.nacos.plugin.auth.impl.condition.ConditionOnLdapAuth;
  import com.alibaba.nacos.plugin.auth.impl.constant.AuthConstants;
  import com.alibaba.nacos.plugin.auth.impl.roles.NacosRoleService;
  import com.alibaba.nacos.plugin.auth.impl.token.TokenManagerDelegate;
  import com.alibaba.nacos.plugin.auth.impl.users.NacosUserService;
  import org.springframework.beans.factory.annotation.Value;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Conditional;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.ldap.core.LdapTemplate;
  import org.springframework.ldap.core.support.LdapContextSource;
  import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
  import org.springframework.security.config.annotation.authentication.configuration.GlobalAuthenticationConfigurerAdapter;
  
  /**
   * ldap auth config.
   *
   * @author onewe
   */
  @Configuration(proxyBeanMethods = false)
  @Conditional(ConditionOnLdapAuth.class)
  public class LdapAuthPluginConfig {
      
      @Value(("${" + AuthConstants.NACOS_CORE_AUTH_LDAP_URL + ":ldap://localhost:389}"))
      private String ldapUrl;
      
      @Value(("${" + AuthConstants.NACOS_CORE_AUTH_LDAP_BASEDC + ":dc=example,dc=org}"))
      private String ldapBaseDc;
      
      @Value(("${" + AuthConstants.NACOS_CORE_AUTH_LDAP_TIMEOUT + ":3000}"))
      private String ldapTimeOut;
      
      @Value(("${" + AuthConstants.NACOS_CORE_AUTH_LDAP_USERDN + ":cn=admin,dc=example,dc=org}"))
      private String userDn;
      
      @Value(("${" + AuthConstants.NACOS_CORE_AUTH_LDAP_PASSWORD + ":password}"))
      private String password;
      
      @Value(("${" + AuthConstants.NACOS_CORE_AUTH_LDAP_FILTER_PREFIX + ":uid}"))
      private String filterPrefix;
      
      @Value(("${" + AuthConstants.NACOS_CORE_AUTH_CASE_SENSITIVE + ":true}"))
      private boolean caseSensitive;
      
      /**
       * LDAP Ignore partial result exception {@link LdapTemplate#setIgnorePartialResultException(boolean)}.
       */
      @Value(("${" + AuthConstants.NACOS_CORE_AUTH_IGNORE_PARTIAL_RESULT_EXCEPTION + ":false}"))
      private boolean ignorePartialResultException;
      
      @Bean
      public LdapTemplate ldapTemplate(LdapContextSource ldapContextSource) {
          LdapTemplate ldapTemplate = new LdapTemplate(ldapContextSource);
          ldapTemplate.setIgnorePartialResultException(ignorePartialResultException);
          return ldapTemplate;
      }
      
      @Bean
      public LdapContextSource ldapContextSource() {
          return new NacosLdapContextSource(ldapUrl, ldapBaseDc, userDn, password, ldapTimeOut);
      }
      
      @Bean
      public LdapAuthenticationProvider ldapAuthenticationProvider(LdapTemplate ldapTemplate,
              NacosUserService userDetailsService, NacosRoleService nacosRoleService) {
          return new LdapAuthenticationProvider(ldapTemplate, userDetailsService, nacosRoleService, filterPrefix,
                  caseSensitive);
      }
      
      @Bean
      public IAuthenticationManager ldapAuthenticatoinManager(LdapTemplate ldapTemplate,
              NacosUserService userDetailsService, TokenManagerDelegate jwtTokenManager, NacosRoleService roleService) {
          return new LdapAuthenticationManager(ldapTemplate, userDetailsService, jwtTokenManager, roleService,
                  filterPrefix, caseSensitive);
      }
      
      @Bean
      public GlobalAuthenticationConfigurerAdapter authenticationConfigurer(
              LdapAuthenticationProvider ldapAuthenticationProvider) {
          return new GlobalAuthenticationConfigurerAdapter() {
              @Override
              public void init(AuthenticationManagerBuilder auth) throws Exception {
                  auth.authenticationProvider(ldapAuthenticationProvider);
              }
          };
      }
      
  }
  