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.mail;
  
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Properties;
  
  import jakarta.activation.DataHandler;
  import jakarta.mail.Message;
  import jakarta.mail.Multipart;
  import jakarta.mail.Part;
  import jakarta.mail.Session;
  import jakarta.mail.internet.MimeBodyPart;
  import jakarta.mail.internet.MimeMessage;
  import jakarta.mail.internet.MimeMultipart;
  import jakarta.mail.internet.MimeUtility;
  
  import org.apache.camel.attachment.Attachment;
  import org.apache.camel.support.DefaultHeaderFilterStrategy;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class MailBindingAttachmentEncodedFilenameTest {
  
      // enable file decoding
      private final MailBinding binding = new MailBinding(new DefaultHeaderFilterStrategy(), null, true, true);
  
      @Test
      public void shouldNotBreakEncodedFileNamesWithSlashes() throws Exception {
          final Session session = Session.getInstance(new Properties());
          final Message message = new MimeMessage(session);
          final String encodedFilename = "=?UTF-8?B?6Kq/5pW0?=";
          final String plainFilename = MimeUtility.decodeText(encodedFilename);
  
          final Multipart multipart = new MimeMultipart();
          final MimeBodyPart part = new MimeBodyPart();
          part.attachFile(plainFilename);
          part.setFileName(encodedFilename);
          part.setDisposition(Part.ATTACHMENT);
          multipart.addBodyPart(part);
          message.setContent(multipart);
  
          final Map<String, Attachment> attachments = new HashMap<>();
          binding.extractAttachmentsFromMail(message, attachments);
  
          assertTrue(attachments.containsKey(plainFilename));
          final Attachment attachment = attachments.get(plainFilename);
          final DataHandler dataHandler = attachment.getDataHandler();
          assertEquals(plainFilename, dataHandler.getName());
      }
  }
  