Radicade Public Code

Server/Tooling/Custom/CCAPI.cs

@@ -0,0 +1,78 @@
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using System.Security.Cryptography;
+using RadicadeServer.DB;
+
+using IOFile = System.IO.File;
+
+namespace RadicadeServer.Custom.API
+{
+	[Route("custom/")]
+	public class CCAPI(RecDBContext _db) : Controller
+	{
+		private static string GetHashAndCache(string hashName, string fileName)
+		{
+			if (!IOFile.Exists(hashName))
+			{
+				string hash = CalculateMD5(fileName);
+				IOFile.WriteAllText(hashName, hash);
+				return hash;
+			}
+			return IOFile.ReadAllText(hashName);
+		}
+		private static string CalculateMD5(string filename)
+		{
+			using (var md5 = MD5.Create())
+			{
+				using (var stream = IOFile.OpenRead(filename))
+				{
+					var hash = md5.ComputeHash(stream);
+					return BitConverter.ToString(hash).Replace("-", "").ToLowerInvariant();
+				}
+			}
+		}
+
+		[HttpGet("all")]
+		public async Task<List<CustomAddition>> GetAllContent()
+		{
+			return await _db.CustomContent.ToListAsync();
+		}
+		[HttpGet("download/{modId}/{fileId}")]
+		public async Task<IActionResult> DownloadContent(long? modId, int? fileId)
+		{
+			if (modId == null || fileId == null) return BadRequest();
+
+			var mod = await _db.CustomContent.FirstOrDefaultAsync(x => x.Id == modId);
+			if (mod == null) return NotFound();
+
+			var files = mod.Files.Split(";", StringSplitOptions.TrimEntries);
+			if (fileId >= files.Length || fileId < 0) return BadRequest();
+
+			string path = Path.Join(DBConfig.CDNCustom, mod.Name, files[(int)fileId]);
+			if (!System.IO.File.Exists(path)) return NotFound();
+
+			return PhysicalFile(path, "application/octet-stream", enableRangeProcessing: true);
+		}
+		[HttpGet("hash/{modId}/{file}")]
+		public async Task<IActionResult> GetHashForMod(string modId, string file)
+		{
+			if (modId == null || file == null) return BadRequest();
+
+			file = file.ToLower().Trim();
+
+			var mod = await _db.CustomContent.FirstOrDefaultAsync(x => x.Name == modId);
+			if (mod == null) return NotFound();
+
+			var files = mod.Files.Split(";", StringSplitOptions.TrimEntries);
+			var expectedFile = files.FirstOrDefault(x => x.ToLower().Trim().Contains(file));
+
+			string path = Path.Join(DBConfig.CDNCustom, mod.Name, file);
+			string hashPath = Path.Join(DBConfig.CDNCustom, mod.Name, file + "-hash");
+			if (!IOFile.Exists(path)) return NotFound();
+
+			string hash = GetHashAndCache(hashPath, path);
+
+			return Ok(hash);
+		}
+	}
+}