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https://github.com/myawired/2025-RecRoom-Server-E12354.git
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myawired
@@ -0,0 +1,198 @@
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using Microsoft.AspNetCore.Mvc;
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using Newtonsoft.Json;
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using Rec_rewild_live_rewrite.api.server;
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namespace Rec_rewild_live_rewrite.Controllers
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{
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[ApiController]
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public class CDNController : Controller
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{
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[HttpGet("/cdn/config/LoadingScreenTipData")]
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public IActionResult LoadingScreenTipData()
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{
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string filePath = Path.Combine(Environment.CurrentDirectory, "Data", "APIS", "LoadingScreenTipData.json");
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if (!System.IO.File.Exists(filePath))
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return Content("[]", "application/json");
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return PhysicalFile(filePath, "application/json");
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}
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[HttpGet("/iam/me/channels/{type}")]
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public IActionResult GetIamChannel(string type)
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{
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var (account, error) = AuthHelper.ValidateToken(HttpContext);
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if (error != null)
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return error;
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string basePath = Path.Combine(Environment.CurrentDirectory, "Data", "APIS");
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switch (type.ToLower())
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{
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case "announcements":
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string announcementsPath = Path.Combine(basePath, "IamAnnouncements.json");
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if (System.IO.File.Exists(announcementsPath))
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return PhysicalFile(announcementsPath, "application/json");
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break;
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case "justintimetutorials":
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return Ok(ConfigRewild.Bracket);
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}
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return Ok(ConfigRewild.Bracket);
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}
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[HttpGet("/sections/pagesource/{type}")]
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public IActionResult GetWatchPages(string type)
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{
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var (account, error) = AuthHelper.ValidateToken(HttpContext);
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if (error != null)
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return error;
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string path = Path.Combine(
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Environment.CurrentDirectory,
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"Data",
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"APIS",
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"WatchPages",
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$"{type}.json"
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);
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if (!System.IO.File.Exists(path))
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return Ok(ConfigRewild.Bracket);
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return PhysicalFile(path, "application/json");
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}
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[Route("/cdn/room/{*room_path}")]
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public async Task<IActionResult> CDNRoom(string room_path)
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{
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// 1. SANITIZE: Prevent path traversal
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string fileName = Path.GetFileName(room_path);
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string localPath = Path.Combine(Environment.CurrentDirectory, "Data", "CDN", "RoomBlobs", room_path);
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string directory = Path.GetDirectoryName(localPath)!;
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try
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{
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if (!Directory.Exists(directory))
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Directory.CreateDirectory(directory);
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// 2. DOWNLOAD IF MISSING
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if (!System.IO.File.Exists(localPath))
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{
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using var client = new HttpClient();
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var response = await client.GetAsync($"https://cdn.rec.net/room/{room_path}");
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if (!response.IsSuccessStatusCode) return NotFound();
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await using var remoteStream = await response.Content.ReadAsStreamAsync();
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await using var fileStream = new FileStream(localPath, FileMode.Create, FileAccess.Write, FileShare.None);
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await remoteStream.CopyToAsync(fileStream);
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}
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// 3. GATHER FILE METADATA & DYNAMIC DATA
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var fileInfo = new FileInfo(localPath);
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var now = DateTimeOffset.UtcNow;
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// Compute actual MD5 hash dynamically
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string md5Base64;
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using (var md5 = System.Security.Cryptography.MD5.Create())
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{
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using var readStream = System.IO.File.OpenRead(localPath);
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byte[] hash = await md5.ComputeHashAsync(readStream);
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md5Base64 = Convert.ToBase64String(hash);
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}
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// Generate fake Azure/Cloudflare IDs
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string requestId = Guid.NewGuid().ToString();
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// Mimic Azure Ref format: YYYYMMDDTHHMMSSZ-[randomhex]
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string azureRef = $"{now:yyyyMMddTHHmmssZ}-{Guid.NewGuid().ToString("N").Substring(0, 32)}";
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// Generate ETag based on the file's LastWriteTime to act as a unique version identifier
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string eTag = $"\"0x{fileInfo.LastWriteTimeUtc.Ticks:X}\"";
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// 4. APPLY DYNAMIC HEADERS
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// Note: Content-Length, Content-Type, and Accept-Ranges are handled automatically by the File() return method.
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Response.Headers["Date"] = now.ToString("R"); // RFC 1123 format (e.g., Thu, 12 Mar 2026 16:06:27 GMT)
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Response.Headers["Cache-Control"] = "public, max-age=31536000";
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Response.Headers["Last-Modified"] = fileInfo.LastWriteTimeUtc.ToString("R");
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Response.Headers["ETag"] = eTag;
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// Mock Azure Blob Storage Headers
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Response.Headers["x-ms-request-id"] = requestId;
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Response.Headers["x-ms-version"] = "2021-04-10";
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Response.Headers["x-ms-version-id"] = fileInfo.LastWriteTimeUtc.ToString("o"); // ISO 8601 format
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Response.Headers["x-ms-is-current-version"] = "true";
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Response.Headers["x-ms-creation-time"] = fileInfo.CreationTimeUtc.ToString("R");
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Response.Headers["x-ms-blob-content-md5"] = md5Base64;
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Response.Headers["x-ms-lease-status"] = "unlocked";
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Response.Headers["x-ms-lease-state"] = "available";
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Response.Headers["x-ms-blob-type"] = "BlockBlob";
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Response.Headers["x-ms-server-encrypted"] = "true";
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Response.Headers["x-ms-last-access-time"] = now.ToString("R");
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// CORS and CDN Mock Headers
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Response.Headers["Access-Control-Expose-Headers"] = "x-ms-request-id,Server,x-ms-version,x-ms-version-id,x-ms-is-current-version,Content-Type,Cache-Control,ETag,Last-Modified,x-ms-creation-time,x-ms-blob-content-md5,x-ms-lease-status,x-ms-lease-state,x-ms-blob-type,x-ms-server-encrypted,Accept-Ranges,x-ms-last-access-time,Content-Length,Date,Transfer-Encoding";
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Response.Headers["Access-Control-Allow-Origin"] = "*";
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Response.Headers["x-azure-ref"] = azureRef;
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Response.Headers["x-fd-int-roxy-purgeid"] = "0";
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Response.Headers["X-Cache-Info"] = "L2_T2";
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Response.Headers["X-Cache"] = "TCP_REMOTE_HIT"; // Tells the client it successfully hit the CDN cache
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// 5. RETURN AS STREAM
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var fs = new FileStream(localPath, FileMode.Open, FileAccess.Read, FileShare.Read);
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// enableRangeProcessing allows standard 206 Partial Content responses (crucial for large room files)
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return File(fs, "application/octet-stream", enableRangeProcessing: true);
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}
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catch (Exception ex)
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{
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Console.WriteLine($"CDN Error: {ex.Message}");
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return NotFound();
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}
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}
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[Route("/cdn/data/{*room_path}")]
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public async Task<IActionResult> CDNData(string room_path)
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{
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try
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{
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string localPath = Path.Combine(Environment.CurrentDirectory, "Data", "CDN", "DataBlobs", room_path);
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string directory = Path.GetDirectoryName(localPath);
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if (!Directory.Exists(directory))
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{
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Directory.CreateDirectory(directory);
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}
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if (System.IO.File.Exists(localPath))
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{
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return File(await System.IO.File.ReadAllBytesAsync(localPath), "application/octet-stream");
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}
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else
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{
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using (HttpClient client = new HttpClient())
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{
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try
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{
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byte[] data = await client.GetByteArrayAsync($"https://cdn.rec.net/data/{room_path}", CancellationToken.None);
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await System.IO.File.WriteAllBytesAsync(localPath, data);
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return File(data, "application/octet-stream");
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}
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catch (HttpRequestException ex)
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{
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Console.WriteLine(ex);
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return NotFound("");
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}
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}
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine(ex.ToString());
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return NotFound();
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}
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}
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}
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}
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