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using System;
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using System.ComponentModel.DataAnnotations;
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using System.Diagnostics.CodeAnalysis;
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using System.IO;
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using System.Threading.Tasks;
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using Jellyfin.Api.Attributes;
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using Jellyfin.Api.Constants;
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using Jellyfin.Api.Helpers;
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using MediaBrowser.Common.Configuration;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.MediaEncoding;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.Net;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Mvc;
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namespace Jellyfin.Api.Controllers
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{
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/// <summary>
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/// The hls segment controller.
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/// </summary>
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[Route("")]
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public class HlsSegmentController : BaseJellyfinApiController
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{
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private readonly IFileSystem _fileSystem;
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private readonly IServerConfigurationManager _serverConfigurationManager;
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private readonly TranscodingJobHelper _transcodingJobHelper;
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/// <summary>
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/// Initializes a new instance of the <see cref="HlsSegmentController"/> class.
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/// </summary>
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/// <param name="fileSystem">Instance of the <see cref="IFileSystem"/> interface.</param>
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/// <param name="serverConfigurationManager">Instance of the <see cref="IServerConfigurationManager"/> interface.</param>
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/// <param name="transcodingJobHelper">Initialized instance of the <see cref="TranscodingJobHelper"/>.</param>
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public HlsSegmentController(
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IFileSystem fileSystem,
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IServerConfigurationManager serverConfigurationManager,
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TranscodingJobHelper transcodingJobHelper)
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{
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_fileSystem = fileSystem;
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_serverConfigurationManager = serverConfigurationManager;
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_transcodingJobHelper = transcodingJobHelper;
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}
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/// <summary>
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/// Gets the specified audio segment for an audio item.
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/// </summary>
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/// <param name="itemId">The item id.</param>
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/// <param name="segmentId">The segment id.</param>
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/// <response code="200">Hls audio segment returned.</response>
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/// <returns>A <see cref="FileStreamResult"/> containing the audio stream.</returns>
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// Can't require authentication just yet due to seeing some requests come from Chrome without full query string
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// [Authenticated]
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[HttpGet("Audio/{itemId}/hls/{segmentId}/stream.mp3", Name = "GetHlsAudioSegmentLegacyMp3")]
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[HttpGet("Audio/{itemId}/hls/{segmentId}/stream.aac", Name = "GetHlsAudioSegmentLegacyAac")]
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[ProducesResponseType(StatusCodes.Status200OK)]
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[ProducesAudioFile]
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[SuppressMessage("Microsoft.Performance", "CA1801:ReviewUnusedParameters", MessageId = "itemId", Justification = "Required for ServiceStack")]
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public ActionResult GetHlsAudioSegmentLegacy([FromRoute, Required] string itemId, [FromRoute, Required] string segmentId)
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{
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// TODO: Deprecate with new iOS app
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var file = segmentId + Path.GetExtension(Request.Path);
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var transcodePath = _serverConfigurationManager.GetTranscodePath();
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file = Path.GetFullPath(Path.Combine(transcodePath, file));
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var fileDir = Path.GetDirectoryName(file);
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if (string.IsNullOrEmpty(fileDir) || !fileDir.StartsWith(transcodePath))
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{
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return BadRequest("Invalid segment.");
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}
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return FileStreamResponseHelpers.GetStaticFileResult(file, MimeTypes.GetMimeType(file)!, false, HttpContext);
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}
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/// <summary>
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/// Gets a hls video playlist.
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/// </summary>
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/// <param name="itemId">The video id.</param>
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/// <param name="playlistId">The playlist id.</param>
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/// <response code="200">Hls video playlist returned.</response>
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/// <returns>A <see cref="FileStreamResult"/> containing the playlist.</returns>
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[HttpGet("Videos/{itemId}/hls/{playlistId}/stream.m3u8")]
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[Authorize(Policy = Policies.DefaultAuthorization)]
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[ProducesResponseType(StatusCodes.Status200OK)]
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[ProducesPlaylistFile]
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[SuppressMessage("Microsoft.Performance", "CA1801:ReviewUnusedParameters", MessageId = "itemId", Justification = "Required for ServiceStack")]
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public ActionResult GetHlsPlaylistLegacy([FromRoute, Required] string itemId, [FromRoute, Required] string playlistId)
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{
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var file = playlistId + Path.GetExtension(Request.Path);
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var transcodePath = _serverConfigurationManager.GetTranscodePath();
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file = Path.GetFullPath(Path.Combine(transcodePath, file));
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var fileDir = Path.GetDirectoryName(file);
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if (string.IsNullOrEmpty(fileDir) || !fileDir.StartsWith(transcodePath) || Path.GetExtension(file) != ".m3u8")
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{
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return BadRequest("Invalid segment.");
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}
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return GetFileResult(file, file);
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}
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/// <summary>
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/// Stops an active encoding.
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/// </summary>
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/// <param name="deviceId">The device id of the client requesting. Used to stop encoding processes when needed.</param>
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/// <param name="playSessionId">The play session id.</param>
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/// <response code="204">Encoding stopped successfully.</response>
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/// <returns>A <see cref="NoContentResult"/> indicating success.</returns>
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[HttpDelete("Videos/ActiveEncodings")]
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[Authorize(Policy = Policies.DefaultAuthorization)]
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[ProducesResponseType(StatusCodes.Status204NoContent)]
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public ActionResult StopEncodingProcess(
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[FromQuery, Required] string deviceId,
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[FromQuery, Required] string playSessionId)
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{
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_transcodingJobHelper.KillTranscodingJobs(deviceId, playSessionId, path => true);
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return NoContent();
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}
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/// <summary>
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/// Gets a hls video segment.
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/// </summary>
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/// <param name="itemId">The item id.</param>
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/// <param name="playlistId">The playlist id.</param>
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/// <param name="segmentId">The segment id.</param>
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/// <param name="segmentContainer">The segment container.</param>
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/// <response code="200">Hls video segment returned.</response>
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/// <response code="404">Hls segment not found.</response>
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/// <returns>A <see cref="FileStreamResult"/> containing the video segment.</returns>
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// Can't require authentication just yet due to seeing some requests come from Chrome without full query string
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// [Authenticated]
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[HttpGet("Videos/{itemId}/hls/{playlistId}/{segmentId}.{segmentContainer}")]
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[ProducesResponseType(StatusCodes.Status200OK)]
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[ProducesResponseType(StatusCodes.Status404NotFound)]
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[ProducesVideoFile]
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[SuppressMessage("Microsoft.Performance", "CA1801:ReviewUnusedParameters", MessageId = "itemId", Justification = "Required for ServiceStack")]
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public ActionResult GetHlsVideoSegmentLegacy(
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[FromRoute, Required] string itemId,
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[FromRoute, Required] string playlistId,
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[FromRoute, Required] string segmentId,
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[FromRoute, Required] string segmentContainer)
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{
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var file = segmentId + Path.GetExtension(Request.Path);
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var transcodeFolderPath = _serverConfigurationManager.GetTranscodePath();
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file = Path.GetFullPath(Path.Combine(transcodeFolderPath, file));
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var fileDir = Path.GetDirectoryName(file);
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if (string.IsNullOrEmpty(fileDir) || !fileDir.StartsWith(transcodeFolderPath))
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{
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return BadRequest("Invalid segment.");
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}
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var normalizedPlaylistId = playlistId;
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var filePaths = _fileSystem.GetFilePaths(transcodeFolderPath);
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// Add . to start of segment container for future use.
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segmentContainer = segmentContainer.Insert(0, ".");
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string? playlistPath = null;
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foreach (var path in filePaths)
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{
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var pathExtension = Path.GetExtension(path);
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if ((string.Equals(pathExtension, segmentContainer, StringComparison.OrdinalIgnoreCase)
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|| string.Equals(pathExtension, ".m3u8", StringComparison.OrdinalIgnoreCase))
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&& path.IndexOf(normalizedPlaylistId, StringComparison.OrdinalIgnoreCase) != -1)
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{
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playlistPath = path;
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break;
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}
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}
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return playlistPath == null
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? NotFound("Hls segment not found.")
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: GetFileResult(file, playlistPath);
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}
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private ActionResult GetFileResult(string path, string playlistPath)
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{
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var transcodingJob = _transcodingJobHelper.OnTranscodeBeginRequest(playlistPath, TranscodingJobType.Hls);
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Response.OnCompleted(() =>
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{
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if (transcodingJob != null)
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{
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_transcodingJobHelper.OnTranscodeEndRequest(transcodingJob);
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}
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return Task.CompletedTask;
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});
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return FileStreamResponseHelpers.GetStaticFileResult(path, MimeTypes.GetMimeType(path)!, false, HttpContext);
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}
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}
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}
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