content: /*
   *
   * 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.
   *
   */
  
  package com.alibaba.cloudapp.starter.oauth2.configuration;
  
  import com.alibaba.cloudapp.api.oauth2.AuthorizationService;
  import com.alibaba.cloudapp.api.oauth2.GrantType;
  import com.alibaba.cloudapp.oauth2.service.AuthorizationServiceImpl;
  import com.alibaba.cloudapp.starter.base.RefreshableComponent;
  import com.alibaba.cloudapp.starter.oauth2.properties.OAuth2ClientProperties;
  import org.springframework.util.StringUtils;
  
  import java.util.List;
  
  public class OAuth2Component extends RefreshableComponent<OAuth2ClientProperties,
          AuthorizationService> {
      
      public static final String BINDING_PROP_KEY = "io.cloudapp.oauth2";
      
      public OAuth2Component(OAuth2ClientProperties properties) {
          super(properties);
      }
      
      @Override
      public void postStart() {
          if (!StringUtils.hasText(properties.getClientId())
                  || !StringUtils.hasText(properties.getClientSecret())) {
              throw new IllegalArgumentException(
                      "ClientId and ClientSecret must be provided");
          }
          List<String> grantTypes = properties.getGrantTypes();
          
          if (grantTypes == null || grantTypes.isEmpty()) {
              throw new IllegalArgumentException("GrantTypes must be provided");
          }
          
          if (properties.getScopes() == null || properties.getScopes()
                                                          .isEmpty()) {
              throw new IllegalArgumentException("Scopes must be provided");
          }
          
          if ((grantTypes.contains(GrantType.AUTHORIZATION_CODE.getGrantType())
                  || grantTypes.contains(GrantType.IMPLICIT.getGrantType()))
                  && !StringUtils.hasText(properties.getRedirectUri())) {
              throw new IllegalArgumentException("RedirectUri must be provided");
          }
          
          
          bean.setOAuth2Client(properties);
      }
      
      @Override
      public void preStop() {
      
      }
      
      @Override
      public String bindKey() {
          return BINDING_PROP_KEY;
      }
      
      @Override
      public String getName() {
          return "cloudappAuthorizationService";
      }
      
      @Override
      protected AuthorizationService createBean(OAuth2ClientProperties properties) {
          return new AuthorizationServiceImpl(properties);
      }
      
  }
  