refactor file server

MareSynchronosServer/MareSynchronosStaticFilesServer/Controllers/DistributionController.cs

@@ -0,0 +1,29 @@
+using MareSynchronos.API.Routes;
+using MareSynchronosStaticFilesServer.Services;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace MareSynchronosStaticFilesServer.Controllers;
+
+[Route(MareFiles.Distribution)]
+public class DistributionController : ControllerBase
+{
+    private readonly CachedFileProvider _cachedFileProvider;
+
+    public DistributionController(ILogger<DistributionController> logger, CachedFileProvider cachedFileProvider) : base(logger)
+    {
+        _cachedFileProvider = cachedFileProvider;
+    }
+
+    [HttpGet(MareFiles.Distribution_Get)]
+    [Authorize(Policy = "Internal")]
+    public async Task<IActionResult> GetFile(string file)
+    {
+        _logger.LogInformation($"GetFile:{MareUser}:{file}");
+
+        var fs = await _cachedFileProvider.GetAndDownloadFileStream(file);
+        if (fs == null) return NotFound();
+
+        return File(fs, "application/octet-stream");
+    }
+}