Extended file manager to support the new interfaces for downloading via url. Improved the handling of compressing and decompressing. Seperated file manager controllers. Updated mooncore versions

2025-08-26 01:07:59 +02:00
parent dc862e4b3c
commit a6ae2aacfb
17 changed files with 868 additions and 503 deletions
--- a/Moonlight.ApiServer/Http/Controllers/Admin/Sys/Files/DownloadUrlController.cs
+++ b/Moonlight.ApiServer/Http/Controllers/Admin/Sys/Files/DownloadUrlController.cs
@@ -0,0 +1,128 @@
+using ICSharpCode.SharpZipLib.Zip;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using MoonCore.Exceptions;
+using MoonCore.Helpers;
+using Moonlight.ApiServer.Configuration;
+using Moonlight.ApiServer.Helpers;
+using Moonlight.Shared.Http.Responses.Admin.Sys;
+
+namespace Moonlight.ApiServer.Http.Controllers.Admin.Sys.Files;
+
+[ApiController]
+[Route("api/admin/system/files/downloadUrl")]
+[Authorize(Policy = "permissions:admin.system.files")]
+public class DownloadUrlController : Controller
+{
+    private readonly AppConfiguration Configuration;
+
+    private const string BaseDirectory = "storage";
+
+    public DownloadUrlController(AppConfiguration configuration)
+    {
+        Configuration = configuration;
+    }
+
+    [HttpGet]
+    public async Task Get([FromQuery] string path)
+    {
+        var physicalPath = Path.Combine(BaseDirectory, FilePathHelper.SanitizePath(path));
+        var name = Path.GetFileName(physicalPath);
+
+        if (System.IO.File.Exists(physicalPath))
+        {
+            await using var fs = System.IO.File.Open(physicalPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+
+            await Results.File(fs, fileDownloadName: name).ExecuteAsync(HttpContext);
+        }
+        else if(Directory.Exists(physicalPath))
+        {
+            // Without the base directory we would have the full path to the target folder
+            // inside the zip
+            
+            var baseDirectory = Path.Combine(
+                BaseDirectory,
+                FilePathHelper.SanitizePath(Path.GetDirectoryName(path) ?? "")
+            );
+            
+            Response.StatusCode = 200;
+            Response.ContentType = "application/zip";
+            Response.Headers["Content-Disposition"] = $"attachment; filename=\"{name}.zip\"";
+
+            try
+            {
+                await using var zipStream = new ZipOutputStream(Response.Body);
+                zipStream.IsStreamOwner = false;
+
+                await StreamFolderAsZip(zipStream, physicalPath, baseDirectory, HttpContext.RequestAborted);
+            }
+            catch (ZipException)
+            {
+                // Ignored
+            }
+            catch (TaskCanceledException)
+            {
+                // Ignored
+            }
+        }
+    }
+
+    private async Task StreamFolderAsZip(
+        ZipOutputStream zipStream,
+        string path, string rootPath,
+        CancellationToken cancellationToken
+    )
+    {
+        foreach (var file in Directory.EnumerateFiles(path))
+        {
+            if (HttpContext.RequestAborted.IsCancellationRequested)
+                return;
+
+            var fi = new FileInfo(file);
+
+            var filePath = Formatter.ReplaceStart(file, rootPath, "");
+
+            await zipStream.PutNextEntryAsync(new ZipEntry(filePath)
+            {
+                Size = fi.Length,
+            }, cancellationToken);
+
+            await using var fs = System.IO.File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+            await fs.CopyToAsync(zipStream, cancellationToken);
+            await fs.FlushAsync(cancellationToken);
+
+            fs.Close();
+
+            await zipStream.FlushAsync(cancellationToken);
+        }
+
+        foreach (var directory in Directory.EnumerateDirectories(path))
+        {
+            if (HttpContext.RequestAborted.IsCancellationRequested)
+                return;
+
+            await StreamFolderAsZip(zipStream, directory, rootPath, cancellationToken);
+        }
+    }
+
+
+    // Yes I know we can just create that url on the client as the exist validation is done on both endpoints,
+    // but we leave it here for future modifications. E.g. using a distributed file provider or smth like that
+    [HttpPost]
+    public Task<DownloadUrlResponse> Post([FromQuery] string path)
+    {
+        var safePath = FilePathHelper.SanitizePath(path);
+        var physicalPath = Path.Combine(BaseDirectory, safePath);
+
+        if (System.IO.File.Exists(physicalPath) || Directory.Exists(physicalPath))
+        {
+            return Task.FromResult(new DownloadUrlResponse()
+            {
+                Url = $"{Configuration.PublicUrl}/api/admin/system/files/downloadUrl?path={path}"
+            });
+        }
+
+        throw new HttpApiException("No such file or directory found", 404);
+    }
+}