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 org.apache.camel.component.clickup;
  
  import java.io.IOException;
  import java.io.InputStream;
  
  import com.fasterxml.jackson.databind.ObjectMapper;
  import org.apache.camel.AsyncCallback;
  import org.apache.camel.AsyncProcessor;
  import org.apache.camel.Exchange;
  import org.apache.camel.Message;
  import org.apache.camel.Processor;
  import org.apache.camel.component.clickup.model.Event;
  import org.apache.camel.component.clickup.service.ClickUpWebhookService;
  import org.apache.camel.support.AsyncProcessorConverterHelper;
  import org.apache.camel.support.AsyncProcessorSupport;
  
  public class ClickUpWebhookProcessor extends AsyncProcessorSupport {
  
      private static final ObjectMapper MAPPER = new ObjectMapper();
  
      private final AsyncProcessor nextProcessor;
  
      private final ClickUpWebhookService clickUpWebhookService;
  
      private String webhookSecret;
  
      public ClickUpWebhookProcessor(Processor nextProcessor, ClickUpWebhookService clickUpWebhookService, String webhookSecret) {
          this.nextProcessor = AsyncProcessorConverterHelper.convert(nextProcessor);
          this.clickUpWebhookService = clickUpWebhookService;
          this.webhookSecret = webhookSecret;
      }
  
      @Override
      public boolean process(Exchange exchange, AsyncCallback callback) {
          Message incomingMessage = exchange.getIn();
  
          try {
              this.clickUpWebhookService.validateMessageSignature(incomingMessage, this.webhookSecret);
          } catch (RuntimeException e) {
              exchange.setException(e);
  
              callback.done(true);
  
              return true;
          }
  
          Event event;
          try (InputStream body = exchange.getIn().getBody(InputStream.class)) {
              event = MAPPER.readValue(body, Event.class);
          } catch (IOException e) {
              exchange.setException(e);
  
              callback.done(true);
  
              return true;
          }
  
          exchange.getMessage().setBody(event);
  
          // This is needed to adhere to the delegate pattern adopted by the camel-webhook meta-component
          return nextProcessor.process(exchange, doneSync -> {
              exchange.getMessage().setBody(null);
  
              callback.done(doneSync);
          });
      }
  
      public void setWebhookSecret(String webhookSecret) {
          this.webhookSecret = webhookSecret;
      }
  
  }
  