56 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
			
		
		
	
	
			56 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
| using MareSynchronos.API.Routes;
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| using MareSynchronosStaticFilesServer.Services;
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| using MareSynchronosStaticFilesServer.Utils;
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| using Microsoft.AspNetCore.Mvc;
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| using System.Globalization;
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| using System.Text;
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| 
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| namespace MareSynchronosStaticFilesServer.Controllers;
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| 
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| [Route(MareFiles.Cache)]
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| public class CacheController : ControllerBase
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| {
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|     private readonly RequestFileStreamResultFactory _requestFileStreamResultFactory;
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|     private readonly CachedFileProvider _cachedFileProvider;
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|     private readonly RequestQueueService _requestQueue;
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|     private readonly FileStatisticsService _fileStatisticsService;
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| 
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|     public CacheController(ILogger<CacheController> logger, RequestFileStreamResultFactory requestFileStreamResultFactory,
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|         CachedFileProvider cachedFileProvider, RequestQueueService requestQueue, FileStatisticsService fileStatisticsService) : base(logger)
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|     {
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|         _requestFileStreamResultFactory = requestFileStreamResultFactory;
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|         _cachedFileProvider = cachedFileProvider;
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|         _requestQueue = requestQueue;
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|         _fileStatisticsService = fileStatisticsService;
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|     }
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| 
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|     [HttpGet(MareFiles.Cache_Get)]
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|     public async Task<IActionResult> GetFiles(Guid requestId)
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|     {
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|         _logger.LogDebug($"GetFile:{MareUser}:{requestId}");
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| 
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|         if (!_requestQueue.IsActiveProcessing(requestId, MareUser, out var request)) return BadRequest();
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| 
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|         _requestQueue.ActivateRequest(requestId);
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| 
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|         Response.ContentType = "application/octet-stream";
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| 
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|         long requestSize = 0;
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|         var streamList = new List<Stream>();
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| 
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|         foreach (var file in request.FileIds)
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|         {
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|             var fs = await _cachedFileProvider.GetAndDownloadFileStream(file);
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|             if (fs == null) continue;
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|             var headerBytes = Encoding.ASCII.GetBytes("#" + file + ":" + fs.Length.ToString(CultureInfo.InvariantCulture) + "#");
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|             streamList.Add(new MemoryStream(headerBytes));
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|             streamList.Add(fs);
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|             requestSize += fs.Length;
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|         }
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| 
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|         _fileStatisticsService.LogRequest(requestSize);
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| 
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|         return _requestFileStreamResultFactory.Create(requestId, new ConcatenatedStreamReader(streamList));
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|     }
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| }
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