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Ashley
GitHub
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commit
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100 changed files with 12438 additions and 0 deletions
517
core/LightTube/Controllers/ProxyController.cs
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517
core/LightTube/Controllers/ProxyController.cs
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using System.Web;
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using InnerTube;
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using InnerTube.Models;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.Primitives;
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namespace LightTube.Controllers
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{
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[Route("/proxy")]
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public class ProxyController : Controller
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{
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private readonly ILogger<YoutubeController> _logger;
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private readonly Youtube _youtube;
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private string[] BlockedHeaders =
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{
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"host",
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"cookies"
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};
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public ProxyController(ILogger<YoutubeController> logger, Youtube youtube)
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{
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_logger = logger;
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_youtube = youtube;
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}
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[Route("media/{videoId}/{formatId}")]
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public async Task Media(string videoId, string formatId)
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{
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try
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{
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YoutubePlayer player = await _youtube.GetPlayerAsync(videoId);
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if (!string.IsNullOrWhiteSpace(player.ErrorMessage))
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{
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Response.StatusCode = (int) HttpStatusCode.InternalServerError;
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await Response.Body.WriteAsync(Encoding.UTF8.GetBytes(player.ErrorMessage));
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await Response.StartAsync();
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return;
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}
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List<Format> formats = new();
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formats.AddRange(player.Formats);
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formats.AddRange(player.AdaptiveFormats);
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if (!formats.Any(x => x.FormatId == formatId))
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{
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Response.StatusCode = (int) HttpStatusCode.NotFound;
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await Response.Body.WriteAsync(Encoding.UTF8.GetBytes(
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$"Format with ID {formatId} not found.\nAvailable IDs are: {string.Join(", ", formats.Select(x => x.FormatId.ToString()))}"));
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await Response.StartAsync();
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return;
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}
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string url = formats.First(x => x.FormatId == formatId).Url;
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if (!url.StartsWith("http://") && !url.StartsWith("https://"))
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url = "https://" + url;
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HttpWebRequest request = (HttpWebRequest) WebRequest.Create(url);
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request.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
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request.Method = Request.Method;
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foreach ((string header, StringValues values) in HttpContext.Request.Headers.Where(header =>
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!header.Key.StartsWith(":") && !BlockedHeaders.Contains(header.Key.ToLower())))
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foreach (string value in values)
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request.Headers.Add(header, value);
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HttpWebResponse response;
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try
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{
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response = (HttpWebResponse) request.GetResponse();
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}
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catch (WebException e)
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{
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response = e.Response as HttpWebResponse;
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}
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if (response == null)
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await Response.StartAsync();
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foreach (string header in response.Headers.AllKeys)
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if (Response.Headers.ContainsKey(header))
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Response.Headers[header] = response.Headers.Get(header);
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else
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Response.Headers.Add(header, response.Headers.Get(header));
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Response.StatusCode = (int) response.StatusCode;
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await using Stream stream = response.GetResponseStream();
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try
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{
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await stream.CopyToAsync(Response.Body, HttpContext.RequestAborted);
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}
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catch (Exception)
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{
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// an exception is thrown if the client suddenly stops streaming
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}
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await Response.StartAsync();
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}
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catch (Exception e)
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{
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Response.StatusCode = (int) HttpStatusCode.InternalServerError;
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await Response.Body.WriteAsync(Encoding.UTF8.GetBytes(e.ToString()));
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await Response.StartAsync();
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}
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}
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[Route("download/{videoId}/{formatId}/{filename}")]
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public async Task Download(string videoId, string formatId, string filename)
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{
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try
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{
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YoutubePlayer player = await _youtube.GetPlayerAsync(videoId);
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if (!string.IsNullOrWhiteSpace(player.ErrorMessage))
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{
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Response.StatusCode = (int) HttpStatusCode.InternalServerError;
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await Response.Body.WriteAsync(Encoding.UTF8.GetBytes(player.ErrorMessage));
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await Response.StartAsync();
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return;
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}
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List<Format> formats = new();
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formats.AddRange(player.Formats);
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formats.AddRange(player.AdaptiveFormats);
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if (!formats.Any(x => x.FormatId == formatId))
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{
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Response.StatusCode = (int) HttpStatusCode.NotFound;
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await Response.Body.WriteAsync(Encoding.UTF8.GetBytes(
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$"Format with ID {formatId} not found.\nAvailable IDs are: {string.Join(", ", formats.Select(x => x.FormatId.ToString()))}"));
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await Response.StartAsync();
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return;
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}
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string url = formats.First(x => x.FormatId == formatId).Url;
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if (!url.StartsWith("http://") && !url.StartsWith("https://"))
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url = "https://" + url;
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HttpWebRequest request = (HttpWebRequest) WebRequest.Create(url);
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request.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
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request.Method = Request.Method;
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foreach ((string header, StringValues values) in HttpContext.Request.Headers.Where(header =>
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!header.Key.StartsWith(":") && !BlockedHeaders.Contains(header.Key.ToLower())))
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foreach (string value in values)
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request.Headers.Add(header, value);
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HttpWebResponse response;
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try
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{
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response = (HttpWebResponse) request.GetResponse();
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}
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catch (WebException e)
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{
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response = e.Response as HttpWebResponse;
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}
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if (response == null)
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await Response.StartAsync();
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foreach (string header in response.Headers.AllKeys)
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if (Response.Headers.ContainsKey(header))
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Response.Headers[header] = response.Headers.Get(header);
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else
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Response.Headers.Add(header, response.Headers.Get(header));
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Response.Headers.Add("Content-Disposition", $"attachment; filename=\"{Regex.Replace(filename, @"[^\u0000-\u007F]+", string.Empty)}\"");
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Response.StatusCode = (int) response.StatusCode;
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await using Stream stream = response.GetResponseStream();
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try
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{
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await stream.CopyToAsync(Response.Body, HttpContext.RequestAborted);
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}
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catch (Exception)
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{
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// an exception is thrown if the client suddenly stops streaming
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}
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await Response.StartAsync();
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}
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catch (Exception e)
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{
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Response.StatusCode = (int) HttpStatusCode.InternalServerError;
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await Response.Body.WriteAsync(Encoding.UTF8.GetBytes(e.ToString()));
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await Response.StartAsync();
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}
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}
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[Route("caption/{videoId}/{language}")]
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public async Task<FileStreamResult> SubtitleProxy(string videoId, string language)
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{
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YoutubePlayer player = await _youtube.GetPlayerAsync(videoId);
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if (!string.IsNullOrWhiteSpace(player.ErrorMessage))
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{
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Response.StatusCode = (int) HttpStatusCode.InternalServerError;
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return File(new MemoryStream(Encoding.UTF8.GetBytes(player.ErrorMessage)),
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"text/plain");
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}
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string url = null;
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Subtitle? subtitle = player.Subtitles.FirstOrDefault(x => string.Equals(x.Language, language, StringComparison.InvariantCultureIgnoreCase));
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if (subtitle is null)
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{
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Response.StatusCode = (int) HttpStatusCode.NotFound;
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return File(
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new MemoryStream(Encoding.UTF8.GetBytes(
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$"There are no available subtitles for {language}. Available language codes are: {string.Join(", ", player.Subtitles.Select(x => $"\"{x.Language}\""))}")),
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"text/plain");
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}
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url = subtitle.Url.Replace("fmt=srv3", "fmt=vtt");
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if (!url.StartsWith("http://") && !url.StartsWith("https://"))
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url = "https://" + url;
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HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
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request.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
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foreach ((string header, StringValues values) in HttpContext.Request.Headers.Where(header =>
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!header.Key.StartsWith(":") && !BlockedHeaders.Contains(header.Key.ToLower())))
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foreach (string value in values)
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request.Headers.Add(header, value);
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using HttpWebResponse response = (HttpWebResponse)request.GetResponse();
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await using Stream stream = response.GetResponseStream();
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using StreamReader reader = new(stream);
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return File(new MemoryStream(Encoding.UTF8.GetBytes(await reader.ReadToEndAsync())),
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"text/vtt");
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}
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[Route("image")]
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[Obsolete("Use /proxy/thumbnail instead")]
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public async Task ImageProxy(string url)
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{
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if (!url.StartsWith("http://") && !url.StartsWith("https://"))
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url = "https://" + url;
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HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
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request.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
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foreach ((string header, StringValues values) in HttpContext.Request.Headers.Where(header =>
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!header.Key.StartsWith(":") && !BlockedHeaders.Contains(header.Key.ToLower())))
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foreach (string value in values)
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request.Headers.Add(header, value);
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using HttpWebResponse response = (HttpWebResponse)request.GetResponse();
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foreach (string header in response.Headers.AllKeys)
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if (Response.Headers.ContainsKey(header))
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Response.Headers[header] = response.Headers.Get(header);
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else
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Response.Headers.Add(header, response.Headers.Get(header));
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Response.StatusCode = (int)response.StatusCode;
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await using Stream stream = response.GetResponseStream();
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await stream.CopyToAsync(Response.Body);
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await Response.StartAsync();
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}
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[Route("thumbnail/{videoId}/{index:int}")]
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public async Task ThumbnailProxy(string videoId, int index = 0)
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{
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YoutubePlayer player = await _youtube.GetPlayerAsync(videoId);
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if (index == -1) index = player.Thumbnails.Length - 1;
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if (index >= player.Thumbnails.Length)
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{
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Response.StatusCode = 404;
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await Response.Body.WriteAsync(Encoding.UTF8.GetBytes(
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$"Cannot find thumbnail #{index} for {videoId}. The maximum quality is {player.Thumbnails.Length - 1}"));
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await Response.StartAsync();
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return;
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}
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string url = player.Thumbnails.FirstOrDefault()?.Url;
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if (!url.StartsWith("http://") && !url.StartsWith("https://"))
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url = "https://" + url;
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HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
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request.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
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foreach ((string header, StringValues values) in HttpContext.Request.Headers.Where(header =>
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!header.Key.StartsWith(":") && !BlockedHeaders.Contains(header.Key.ToLower())))
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foreach (string value in values)
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request.Headers.Add(header, value);
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using HttpWebResponse response = (HttpWebResponse)request.GetResponse();
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foreach (string header in response.Headers.AllKeys)
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if (Response.Headers.ContainsKey(header))
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Response.Headers[header] = response.Headers.Get(header);
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else
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Response.Headers.Add(header, response.Headers.Get(header));
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Response.StatusCode = (int)response.StatusCode;
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await using Stream stream = response.GetResponseStream();
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await stream.CopyToAsync(Response.Body);
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await Response.StartAsync();
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}
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[Route("storyboard/{videoId}")]
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public async Task StoryboardProxy(string videoId)
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{
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try
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{
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YoutubePlayer player = await _youtube.GetPlayerAsync(videoId);
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if (!string.IsNullOrWhiteSpace(player.ErrorMessage))
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{
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Response.StatusCode = (int) HttpStatusCode.InternalServerError;
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await Response.Body.WriteAsync(Encoding.UTF8.GetBytes(player.ErrorMessage));
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await Response.StartAsync();
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return;
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}
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if (!player.Storyboards.Any())
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{
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Response.StatusCode = (int) HttpStatusCode.NotFound;
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await Response.Body.WriteAsync(Encoding.UTF8.GetBytes("No usable storyboard found."));
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await Response.StartAsync();
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return;
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}
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string url = player.Storyboards.First();
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HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
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request.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
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foreach ((string header, StringValues values) in HttpContext.Request.Headers.Where(header =>
|
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!header.Key.StartsWith(":") && !BlockedHeaders.Contains(header.Key.ToLower())))
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foreach (string value in values)
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request.Headers.Add(header, value);
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using HttpWebResponse response = (HttpWebResponse)request.GetResponse();
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foreach (string header in response.Headers.AllKeys)
|
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if (Response.Headers.ContainsKey(header))
|
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Response.Headers[header] = response.Headers.Get(header);
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else
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Response.Headers.Add(header, response.Headers.Get(header));
|
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Response.StatusCode = (int)response.StatusCode;
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|
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await using Stream stream = response.GetResponseStream();
|
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await stream.CopyToAsync(Response.Body);
|
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await Response.StartAsync();
|
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}
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catch (Exception e)
|
||||
{
|
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Response.StatusCode = (int) HttpStatusCode.InternalServerError;
|
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await Response.Body.WriteAsync(Encoding.UTF8.GetBytes(e.ToString()));
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await Response.StartAsync();
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}
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}
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[Route("hls")]
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public async Task<IActionResult> HlsProxy(string url)
|
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{
|
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if (!url.StartsWith("http://") && !url.StartsWith("https://"))
|
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url = "https://" + url;
|
||||
|
||||
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
|
||||
request.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
|
||||
|
||||
foreach ((string header, StringValues values) in HttpContext.Request.Headers.Where(header =>
|
||||
!header.Key.StartsWith(":") && !BlockedHeaders.Contains(header.Key.ToLower())))
|
||||
foreach (string value in values)
|
||||
request.Headers.Add(header, value);
|
||||
|
||||
using HttpWebResponse response = (HttpWebResponse)request.GetResponse();
|
||||
|
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await using Stream stream = response.GetResponseStream();
|
||||
using StreamReader reader = new(stream);
|
||||
string manifest = await reader.ReadToEndAsync();
|
||||
StringBuilder proxyManifest = new ();
|
||||
|
||||
foreach (string s in manifest.Split("\n"))
|
||||
{
|
||||
// also check if proxy enabled
|
||||
proxyManifest.AppendLine(!s.StartsWith("http")
|
||||
? s
|
||||
: $"https://{Request.Host}/proxy/video?url={HttpUtility.UrlEncode(s)}");
|
||||
}
|
||||
|
||||
return File(new MemoryStream(Encoding.UTF8.GetBytes(proxyManifest.ToString())),
|
||||
"application/vnd.apple.mpegurl");
|
||||
}
|
||||
|
||||
[Route("manifest/{videoId}")]
|
||||
public async Task<IActionResult> ManifestProxy(string videoId, string formatId, bool useProxy = true)
|
||||
{
|
||||
YoutubePlayer player = await _youtube.GetPlayerAsync(videoId, iOS: true);
|
||||
if (!string.IsNullOrWhiteSpace(player.ErrorMessage))
|
||||
{
|
||||
Response.StatusCode = (int) HttpStatusCode.InternalServerError;
|
||||
return File(new MemoryStream(Encoding.UTF8.GetBytes(player.ErrorMessage)),
|
||||
"text/plain");
|
||||
}
|
||||
|
||||
if (player.HlsManifestUrl == null)
|
||||
{
|
||||
Response.StatusCode = (int) HttpStatusCode.NotFound;
|
||||
return File(new MemoryStream(Encoding.UTF8.GetBytes("This video does not have an HLS manifest URL")),
|
||||
"text/plain");
|
||||
}
|
||||
|
||||
string url = player.HlsManifestUrl;
|
||||
|
||||
if (!url.StartsWith("http://") && !url.StartsWith("https://"))
|
||||
url = "https://" + url;
|
||||
|
||||
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
|
||||
request.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
|
||||
|
||||
foreach ((string header, StringValues values) in HttpContext.Request.Headers.Where(header =>
|
||||
!header.Key.StartsWith(":") && !BlockedHeaders.Contains(header.Key.ToLower())))
|
||||
foreach (string value in values)
|
||||
request.Headers.Add(header, value);
|
||||
|
||||
using HttpWebResponse response = (HttpWebResponse)request.GetResponse();
|
||||
|
||||
await using Stream stream = response.GetResponseStream();
|
||||
using StreamReader reader = new(stream);
|
||||
string manifest = await reader.ReadToEndAsync();
|
||||
StringBuilder proxyManifest = new ();
|
||||
|
||||
if (useProxy)
|
||||
foreach (string s in manifest.Split("\n"))
|
||||
{
|
||||
// also check if proxy enabled
|
||||
proxyManifest.AppendLine(!s.StartsWith("http")
|
||||
? s
|
||||
: $"https://{Request.Host}/proxy/ytmanifest?path=" + HttpUtility.UrlEncode(s[46..]));
|
||||
}
|
||||
else
|
||||
proxyManifest.Append(manifest);
|
||||
|
||||
return File(new MemoryStream(Encoding.UTF8.GetBytes(proxyManifest.ToString())),
|
||||
"application/vnd.apple.mpegurl");
|
||||
}
|
||||
|
||||
[Route("ytmanifest")]
|
||||
public async Task<IActionResult> YoutubeManifestProxy(string path)
|
||||
{
|
||||
string url = "https://manifest.googlevideo.com" + path;
|
||||
StringBuilder sb = new();
|
||||
|
||||
if (!url.StartsWith("http://") && !url.StartsWith("https://"))
|
||||
url = "https://" + url;
|
||||
|
||||
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
|
||||
request.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
|
||||
|
||||
foreach ((string header, StringValues values) in HttpContext.Request.Headers.Where(header =>
|
||||
!header.Key.StartsWith(":") && !BlockedHeaders.Contains(header.Key.ToLower())))
|
||||
foreach (string value in values)
|
||||
request.Headers.Add(header, value);
|
||||
|
||||
using HttpWebResponse response = (HttpWebResponse)request.GetResponse();
|
||||
|
||||
await using Stream stream = response.GetResponseStream();
|
||||
using StreamReader reader = new(stream);
|
||||
string manifest = await reader.ReadToEndAsync();
|
||||
|
||||
foreach (string line in manifest.Split("\n"))
|
||||
{
|
||||
if (string.IsNullOrWhiteSpace(line))
|
||||
sb.AppendLine();
|
||||
else if (line.StartsWith("#"))
|
||||
sb.AppendLine(line);
|
||||
else
|
||||
{
|
||||
Uri u = new(line);
|
||||
sb.AppendLine($"https://{Request.Host}/proxy/videoplayback?host={u.Host}&path={HttpUtility.UrlEncode(u.PathAndQuery)}");
|
||||
}
|
||||
}
|
||||
|
||||
return File(new MemoryStream(Encoding.UTF8.GetBytes(sb.ToString())),
|
||||
"application/vnd.apple.mpegurl");
|
||||
}
|
||||
|
||||
[Route("videoplayback")]
|
||||
public async Task VideoPlaybackProxy(string path, string host)
|
||||
{
|
||||
// make sure this is only used in livestreams
|
||||
|
||||
string url = $"https://{host}{path}";
|
||||
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
|
||||
request.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
|
||||
|
||||
foreach ((string header, StringValues values) in HttpContext.Request.Headers.Where(header =>
|
||||
!header.Key.StartsWith(":") && !BlockedHeaders.Contains(header.Key.ToLower())))
|
||||
foreach (string value in values)
|
||||
request.Headers.Add(header, value);
|
||||
|
||||
using HttpWebResponse response = (HttpWebResponse)request.GetResponse();
|
||||
|
||||
await using Stream stream = response.GetResponseStream();
|
||||
|
||||
Response.ContentType = "application/octet-stream";
|
||||
await Response.StartAsync();
|
||||
await stream.CopyToAsync(Response.Body, HttpContext.RequestAborted);
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue