feat: add fnOS packaging, storage workflows and release pipeline

2026-08-11 18:05:49 +08:00
parent c5922f9b08
commit 95932f0199
181 changed files with 24024 additions and 1164 deletions
@@ -0,0 +1,82 @@
+using dy.net.model.dto;
+
+namespace dy.net.storage
+{
+    public class LocalMediaStorage : IMediaStorage
+    {
+        public StorageType StorageType => StorageType.Local;
+
+        public Task EnsureDirectoryAsync(string path, CancellationToken cancellationToken = default)
+        {
+            if (!string.IsNullOrWhiteSpace(path)) Directory.CreateDirectory(path);
+            return Task.CompletedTask;
+        }
+
+        public Task<bool> ExistsAsync(string path, CancellationToken cancellationToken = default) =>
+            Task.FromResult(File.Exists(path));
+
+        public Task<long?> GetLengthAsync(string path, CancellationToken cancellationToken = default) =>
+            Task.FromResult<long?>(File.Exists(path) ? new FileInfo(path).Length : null);
+
+        public async Task WriteAsync(string path, Stream source, long? contentLength = null, string contentType = null, CancellationToken cancellationToken = default)
+        {
+            var directory = Path.GetDirectoryName(path);
+            if (!string.IsNullOrWhiteSpace(directory)) Directory.CreateDirectory(directory);
+
+            var tempPath = path + ".part-" + Guid.NewGuid().ToString("N");
+            try
+            {
+                await using (var output = new FileStream(tempPath, FileMode.CreateNew, FileAccess.Write, FileShare.None, 81920, true))
+                {
+                    await source.CopyToAsync(output, 81920, cancellationToken);
+                    await output.FlushAsync(cancellationToken);
+                }
+                var actualLength = new FileInfo(tempPath).Length;
+                if (actualLength <= 0) throw new IOException("本地写入后的临时文件为空");
+                if (contentLength.HasValue && actualLength != contentLength.Value)
+                    throw new IOException($"本地写入长度不一致：期望 {contentLength.Value}，实际 {actualLength}");
+                File.Move(tempPath, path, true);
+                var finalLength = new FileInfo(path).Length;
+                if (finalLength != actualLength) throw new IOException($"本地最终文件长度不一致：期望 {actualLength}，实际 {finalLength}");
+            }
+            finally
+            {
+                if (File.Exists(tempPath)) File.Delete(tempPath);
+            }
+        }
+
+        public Task<StorageReadResult> OpenReadAsync(string path, long? from = null, long? to = null, CancellationToken cancellationToken = default)
+        {
+            if (!File.Exists(path)) throw new FileNotFoundException("媒体文件不存在", path);
+            var file = new FileInfo(path);
+            var start = Math.Max(0, from ?? 0);
+            var end = Math.Min(file.Length - 1, to ?? file.Length - 1);
+            var stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, 81920, true);
+            stream.Seek(start, SeekOrigin.Begin);
+            return Task.FromResult(new StorageReadResult
+            {
+                Stream = stream,
+                ContentLength = end - start + 1,
+                ContentType = MimeType(path),
+                ContentRange = from.HasValue ? $"bytes {start}-{end}/{file.Length}" : null,
+                StatusCode = from.HasValue ? 206 : 200
+            });
+        }
+
+        public Task DeleteAsync(string path, CancellationToken cancellationToken = default)
+        {
+            if (File.Exists(path)) File.Delete(path);
+            return Task.CompletedTask;
+        }
+
+        private static string MimeType(string path) => Path.GetExtension(path).ToLowerInvariant() switch
+        {
+            ".mp4" => "video/mp4",
+            ".jpg" or ".jpeg" => "image/jpeg",
+            ".png" => "image/png",
+            ".mp3" => "audio/mpeg",
+            ".nfo" or ".xml" => "application/xml",
+            _ => "application/octet-stream"
+        };
+    }
+}