Update

Components/Pages/Storage.razor

@@ -46,6 +46,7 @@
         <MudStack Row="true" Spacing="2">
             <MudText Typo="Typo.h6">Objekte in '@selectedBucket'</MudText>
             <MudSpacer />
+            <MudTextField @bind-Value="uploadPath" Placeholder="Pfad (optional, z.B. docs/2026)" Variant="Variant.Outlined" />
             <InputFile OnChange="OnFilesSelected" />
         </MudStack>
 
@@ -54,11 +55,24 @@
                 <MudTh>Key</MudTh>
                 <MudTh>Größe</MudTh>
                 <MudTh>Geändert</MudTh>
+                <MudTh></MudTh>
+                <MudTh></MudTh>
             </HeaderContent>
             <RowTemplate>
                 <MudTd DataLabel="Key">@context.Key</MudTd>
                 <MudTd DataLabel="Größe">@context.Size</MudTd>
                 <MudTd DataLabel="Geändert">@context.LastModified</MudTd>
+                <MudTd>
+                    <MudButton Variant="Variant.Text" Color="Color.Primary" Href="@GetDownloadUrl(context.Key)" Target="_blank" StartIcon="@Icons.Material.Filled.Download">Download</MudButton>
+                </MudTd>
+                <MudTd>
+                    @* Name = letzter Segmentteil des Keys *@
+                    @{
+                        var fileName = context.Key.Split('/', StringSplitOptions.RemoveEmptyEntries).LastOrDefault() ?? context.Key;
+                        var encodedName = Uri.EscapeDataString(fileName);
+                    }
+                    <MudButton Variant="Variant.Outlined" Color="Color.Primary" Href="@($"/api/storage/buckets/{selectedBucket}/files/{encodedName}/download")" Target="_blank" StartIcon="@Icons.Material.Filled.Download">Download by Name</MudButton>
+                </MudTd>
             </RowTemplate>
         </MudTable>
     </MudPaper>
@@ -72,6 +86,7 @@
     private List<ObjectVm>? objects;
     private string? selectedBucket;
     private string newBucketName = "";
+    private string? uploadPath; // optionaler Pfad
     private const long StreamLimit = 512L * 1024 * 1024; // 512 MB (Program.cs erhöht Multipart-Limit)
 
     private HttpClient? Http;
@@ -116,10 +131,22 @@
             using var content = new MultipartFormDataContent();
             content.Add(new StreamContent(stream), "file", file.Name);
 
+            if (!string.IsNullOrWhiteSpace(uploadPath))
+                content.Add(new StringContent(uploadPath!), "path");
+
             var resp = await Http.PostAsync($"/api/storage/buckets/{selectedBucket}/upload", content);
             resp.EnsureSuccessStatusCode();
         }
         // Refresh list
         objects = await Http.GetFromJsonAsync<List<ObjectVm>>($"/api/storage/buckets/{selectedBucket}/objects") ?? new();
+
+        }
+    private string GetDownloadUrl(string key)
+    {
+        // URL-encode für sichere Übergabe in Catch-all Route
+        var encodedKey = Uri.EscapeDataString(key);
+        return $"/api/storage/buckets/{selectedBucket}/download/{encodedKey}";
     }
+
+    
 }

Pldpro.Web.csproj

@@ -15,5 +15,6 @@
     <PackageReference Include="OpenIddict.AspNetCore" Version="7.2.0" />
     <PackageReference Include="OpenIddict.EntityFrameworkCore" Version="7.2.0" />
     <PackageReference Include="OpenIddict.Validation.AspNetCore" Version="7.2.0" />
+    <PackageReference Include="MySqlConnector" Version="2.*" />
   </ItemGroup>
 </Project>

Program.cs

@@ -1,17 +1,20 @@
 using Amazon.Runtime;
 using Amazon.S3;
 using Microsoft.AspNetCore.Http.Features;
+using Microsoft.EntityFrameworkCore.Metadata.Internal;
 using Microsoft.Extensions.Options;
 using MudBlazor.Services;
 using Pldpro.Web.Components;
 using Pldpro.Web.Components.Pages;
 using Pldpro.Web.Models;
 using Pldpro.Web.Services;
+using System.IO;
+using System.Net.Http;
+using System.Net.Mime;
 using System.Net.NetworkInformation;
 using System.Runtime.Intrinsics.Arm;
 using static MudBlazor.CategoryTypes;
 using static MudBlazor.Colors;
-using System.Net.Http;
 
 
 var builder = WebApplication.CreateBuilder(args);
@@ -27,6 +30,10 @@ builder.Services.AddRazorComponents()
 // HttpClient-Fabrik für serverseitige Komponenten
 builder.Services.AddHttpClient();
 
+// MySQL Repository
+builder.Services.AddSingleton<IStorageMetadataRepository, StorageMetadataRepository>();
+
+
 
 // --- S3 / RustFS Settings binding ---
 builder.Services.Configure<S3Settings>(builder.Configuration.GetSection("S3"));
@@ -55,6 +62,15 @@ builder.Services.AddScoped<IStorageService, S3StorageService>();
 
 var app = builder.Build();
 
+
+// Schema sicherstellen (einmalig beim Start)
+using (var scope = app.Services.CreateScope())
+ {
+    var repo = scope.ServiceProvider.GetRequiredService<IStorageMetadataRepository>();
+    await repo.EnsureSchemaAsync();
+ }
+
+
 // Configure the HTTP request pipeline.
 if (!app.Environment.IsDevelopment())
 {
@@ -99,17 +115,65 @@ storage.MapGet("/buckets/{bucket}/objects", async (IStorageService svc, string b
     });
 
 // Datei in Bucket hochladen (Form-Data: file)
-storage.MapPost("/buckets/{bucket}/upload", async (HttpRequest req, IStorageService svc, string bucket) =>
+storage.MapPost("/buckets/{bucket}/upload", async (HttpRequest req, IStorageService svc, IStorageMetadataRepository meta, string bucket, CancellationToken ct) =>
 {
         if (!req.HasFormContentType) return Results.BadRequest("Multipart/form-data expected");
     var form = await req.ReadFormAsync();
     var file = form.Files["file"];
          if (file is null) return Results.BadRequest("'file' missing");
 
-    await using var stream = file.OpenReadStream(); // Streamlimit über FormOptions konfiguriert
-    await svc.UploadObjectAsync(bucket, file.FileName, stream, file.ContentType ?? "application/octet-stream");
-        return Results.Ok();
-    }).DisableAntiforgery(); // für Blazor XHR Upload
+    var path = form["path"].ToString(); // optional, z.B. "docs/2026"
+    path = string.IsNullOrWhiteSpace(path) ? null : path!.Trim().Trim('/');
+
+
+    //await using var stream = file.OpenReadStream(); // Streamlimit über FormOptions konfiguriert
+    // await svc.UploadObjectAsync(bucket, file.FileName, stream, file.ContentType ?? "application/octet-stream");
+
+    // Key bauen: optionaler Pfad + Dateiname
+    var key = string.IsNullOrWhiteSpace(path) ? file.FileName : $"{path}/{file.FileName}";
+    await using var stream = file.OpenReadStream();
+    var contentType = file.ContentType ?? "application/octet-stream";
+    await svc.UploadObjectAsync(bucket, key, stream, contentType, ct);
+    
+        // Metadaten persistieren
+    await meta.UpsertAsync(bucket, file.FileName, path, key, file.Length, contentType, ct);
+    
+        return Results.Ok(new { bucket, file = file.FileName, path, key });
+
+}).DisableAntiforgery(); // für Blazor XHR Upload
+
+
+// Objekt herunterladen
+ storage.MapGet("/buckets/{bucket}/download/{*key}", async (IStorageService svc,string bucket,string key,CancellationToken ct) =>
+{
+    // key ist als Catch-all {*key} definiert, damit auch Keys mit "/" (Prefix/Ordner) funktionieren.
+    var(stream, contentType, length) = await svc.GetObjectAsync(bucket, key, ct);
+    
+    // Dateiname aus Key ableiten:
+    var fileName = key.Split('/', StringSplitOptions.RemoveEmptyEntries).LastOrDefault() ?? key;
+    
+    return Results.File(
+    fileStream: stream,
+    contentType: contentType,
+    fileDownloadName: fileName,
+    enableRangeProcessing: true,     // erlaubt Resume/Teildownloads
+    lastModified: null,              // optional: Last-Modified selbst setzen
+    entityTag: null);                // optional: ETag setzen
+    });
+
+storage.MapGet("/buckets/{bucket}/files/{fileName}/download", async (
+    IStorageService svc,
+    IStorageMetadataRepository meta,
+    string bucket,
+    string fileName,
+    CancellationToken ct) =>
+{
+    var entry = await meta.TryGetAsync(bucket, fileName, ct);
+    if (entry is null) return Results.NotFound($"No metadata for {bucket}/{fileName}");
+
+    var (stream, contentType, _) = await svc.GetObjectAsync(bucket, entry.Key, ct);
+    return Results.File(stream, contentType, fileName, enableRangeProcessing: true);
+});
 
 
 

Services/IStorageService.cs

@@ -9,4 +9,5 @@ public interface IStorageService
     Task CreateBucketAsync(string bucketName, CancellationToken ct = default);
     Task<IEnumerable<ObjectItem>> ListObjectsAsync(string bucket, CancellationToken ct = default);
     Task UploadObjectAsync(string bucket, string key, Stream content, string contentType, CancellationToken ct = default);
+    Task<(Stream Stream, string ContentType, long? ContentLength)> GetObjectAsync(string bucket, string key, CancellationToken ct = default);
 }

Services/S3StorageService.cs

@@ -33,9 +33,11 @@ public sealed class S3StorageService(IAmazonS3 s3) : IStorageService
                 BucketName = bucket,
                 ContinuationToken = token
             }, ct);
-
-            items.AddRange(resp.S3Objects.Select(o => new ObjectItem(o.Key, o.Size, o.LastModified)));
-            token = (bool)resp.IsTruncated ? resp.NextContinuationToken : null;
+            if (resp.S3Objects != null)
+            {
+                items.AddRange(resp.S3Objects.Select(o => new ObjectItem(o.Key, o.Size, o.LastModified)));
+                token = (bool)resp.IsTruncated ? resp.NextContinuationToken : null;
+            }
         } while (token is not null);
 
         return items;
@@ -52,4 +54,24 @@ public sealed class S3StorageService(IAmazonS3 s3) : IStorageService
         };
         await _s3.PutObjectAsync(req, ct);
     }
+
+
+    public async Task<(Stream Stream, string ContentType, long? ContentLength)> GetObjectAsync(
+        string bucket, string key, CancellationToken ct = default)
+    {
+        var resp = await _s3.GetObjectAsync(new GetObjectRequest
+        {
+            BucketName = bucket,
+            Key = key
+        }, ct);
+
+        // ResponseStream NICHT kopieren, sondern direkt zurückgeben (Server streamt es weiter)
+        var contentType = string.IsNullOrWhiteSpace(resp.Headers.ContentType)
+            ? "application/octet-stream"
+            : resp.Headers.ContentType;
+
+        long? len = resp.Headers.ContentLength >= 0 ? resp.Headers.ContentLength : null;
+        return (resp.ResponseStream, contentType, len);
+    }
+
 }

Services/Storage/IStorageMetadataRepository.cs

@@ -0,0 +1,20 @@
+
+namespace Pldpro.Web.Services;
+
+public interface IStorageMetadataRepository
+{
+    Task EnsureSchemaAsync(CancellationToken ct = default);
+    Task UpsertAsync(string bucket, string fileName, string? path, string key, long? size, string? contentType, CancellationToken ct = default);
+    Task<StorageObject?> TryGetAsync(string bucket, string fileName, CancellationToken ct = default);
+}
+
+public sealed record StorageObject(
+    long Id,
+    string Bucket,
+    string FileName,
+    string? Path,
+    string Key,
+    long? Size,
+    string? ContentType,
+    DateTime CreatedUtc
+);

Services/Storage/StorageMetaDataRepository.cs

@@ -0,0 +1,93 @@
+
+using MySqlConnector;
+using System.Data;
+
+namespace Pldpro.Web.Services;
+
+public sealed class StorageMetadataRepository : IStorageMetadataRepository
+{
+    private readonly string _connStr;
+    public StorageMetadataRepository(IConfiguration cfg) =>
+        _connStr = cfg.GetConnectionString("StorageDb") ?? throw new InvalidOperationException("ConnectionStrings:StorageDb missing");
+
+    public async Task EnsureSchemaAsync(CancellationToken ct = default)
+    {
+        const string sql = """
+        CREATE TABLE IF NOT EXISTS storage_objects (
+            id BIGINT NOT NULL AUTO_INCREMENT,
+            bucket VARCHAR(63) NOT NULL,
+            file_name VARCHAR(255) NOT NULL,
+            path VARCHAR(768) NULL,
+            s3_key VARCHAR(1024) NOT NULL,
+            size BIGINT NULL,
+            content_type VARCHAR(255) NULL,
+            created_utc DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),
+            PRIMARY KEY (id),
+            UNIQUE KEY uq_bucket_file (bucket, file_name),
+            INDEX ix_bucket_path (bucket, path(255))
+        ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+        """;
+
+        await using var conn = new MySqlConnection(_connStr);
+        await conn.OpenAsync(ct);
+        await using var cmd = new MySqlCommand(sql, conn);
+        await cmd.ExecuteNonQueryAsync(ct);
+    }
+
+    public async Task UpsertAsync(string bucket, string fileName, string? path, string key, long? size, string? contentType, CancellationToken ct = default)
+    {
+        const string sql = """
+        INSERT INTO storage_objects (bucket, file_name, path, s3_key, size, content_type)
+        VALUES (@bucket, @name, @path, @key, @size, @ct)
+        ON DUPLICATE KEY UPDATE
+            path = VALUES(path),
+            s3_key = VALUES(s3_key),
+            size = VALUES(size),
+            content_type = VALUES(content_type);
+        """;
+
+        await using var conn = new MySqlConnection(_connStr);
+        await conn.OpenAsync(ct);
+        await using var cmd = new MySqlCommand(sql, conn);
+        cmd.Parameters.AddWithValue("@bucket", bucket);
+        cmd.Parameters.AddWithValue("@name", fileName);
+        cmd.Parameters.AddWithValue("@path", (object?)path ?? DBNull.Value);
+        cmd.Parameters.AddWithValue("@key", key);
+        cmd.Parameters.AddWithValue("@size", (object?)size ?? DBNull.Value);
+        cmd.Parameters.AddWithValue("@ct", (object?)contentType ?? DBNull.Value);
+        await cmd.ExecuteNonQueryAsync(ct);
+    }
+
+    public async Task<StorageObject?> TryGetAsync(string bucket, string fileName, CancellationToken ct = default)
+    {
+        const string sql = """
+        SELECT id, bucket, file_name, path, s3_key, size, content_type, created_utc
+        FROM storage_objects
+        WHERE bucket = @bucket AND file_name = @name
+        LIMIT 1;
+        """;
+
+        await using var conn = new MySqlConnection(_connStr);
+        await conn.OpenAsync(ct);
+
+        await using var cmd = new MySqlCommand(sql, conn);
+        cmd.Parameters.AddWithValue("@bucket", bucket);
+        cmd.Parameters.AddWithValue("@name", fileName);
+
+        await using var reader = await cmd.ExecuteReaderAsync(CommandBehavior.SingleRow, ct);
+        if (await reader.ReadAsync(ct))
+        {
+            return new StorageObject(
+                reader.GetInt64(0),
+                reader.GetString(1),
+                reader.GetString(2),
+                reader.IsDBNull(3) ? null : reader.GetString(3),
+                reader.GetString(4),
+                reader.IsDBNull(5) ? null : reader.GetInt64(5),
+                reader.IsDBNull(6) ? null : reader.GetString(6),
+                reader.GetDateTime(7)
+            );
+        }
+        return null;
+    }
+}

appsettings.json

@@ -13,6 +13,10 @@
     "UseHttp": true,
     "ForcePathStyle": true,
     "DefaultBucketPrefix": "pld-" // optional
+  },
+  "ConnectionStrings": {
+    "StorageDb": "Server=192.168.1.101;Port=3306;Database=pld_storage;User Id=pld_user;Password=pld_user;TreatTinyAsBoolean=false;SslMode=None;CharSet=utf8mb4"
   }
 
+
 }