content: package org.airsonic.player.controller;
  
  import org.airsonic.player.domain.Playlist;
  import org.airsonic.player.service.PlaylistService;
  import org.airsonic.player.service.SecurityService;
  import org.airsonic.player.util.StringUtil;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.stereotype.Controller;
  import org.springframework.web.bind.ServletRequestUtils;
  import org.springframework.web.bind.annotation.GetMapping;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.servlet.ModelAndView;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  /**
   * Spring MVC Controller that serves the login page.
   */
  @Controller
  @RequestMapping("/exportPlaylist")
  public class ExportPlayListController {
  
      @Autowired
      private PlaylistService playlistService;
      @Autowired
      private SecurityService securityService;
  
      @GetMapping
      public ModelAndView exportPlaylist(HttpServletRequest request, HttpServletResponse response) throws Exception {
  
          int id = ServletRequestUtils.getRequiredIntParameter(request, "id");
          Playlist playlist = playlistService.getPlaylist(id);
          if (!playlistService.isReadAllowed(playlist, securityService.getCurrentUsername(request))) {
              response.sendError(HttpServletResponse.SC_FORBIDDEN);
              return null;
  
          }
          response.setContentType("application/x-download");
          response.setHeader("Content-Disposition", "attachment; filename=\"" + StringUtil.fileSystemSafe(playlist.getName()) + ".m3u8\"");
  
          playlistService.exportPlaylist(id, response.getOutputStream());
          return null;
      }
  
  
  }
  