Redirect from file store for direct serve

VoidCat/Controllers/DownloadController.cs

@@ -75,6 +75,15 @@ public class DownloadController : Controller
             Response.ContentLength = range.Size;
         }
 
+        var preResult = await _storage.StartEgress(egressReq);
+        if (preResult.Redirect != null)
+        {
+            Response.StatusCode = (int)HttpStatusCode.Redirect;
+            Response.Headers.Location = preResult.Redirect.ToString();
+            Response.ContentLength = 0;
+            return;
+        }
+        
         var cts = HttpContext.RequestAborted;
         await Response.StartAsync(cts);
         await _storage.Egress(egressReq, Response.Body, cts);

VoidCat/Model/EgressRequest.cs

@@ -1,7 +1,5 @@
-using VoidCat.Services.Abstractions;
-
 namespace VoidCat.Model;
 
-public sealed record EgressRequest(Guid Id, IEnumerable<RangeRequest> Ranges)
-{
-}
+public sealed record EgressRequest(Guid Id, IEnumerable<RangeRequest> Ranges);
+
+public sealed record EgressResult(Uri? Redirect = null);

VoidCat/Services/Abstractions/IFileStore.cs

@@ -29,6 +29,13 @@ public interface IFileStore
     /// <returns></returns>
     ValueTask Egress(EgressRequest request, Stream outStream, CancellationToken cts);
 
+    /// <summary>
+    /// Pre-Egress checks
+    /// </summary>
+    /// <param name="request"></param>
+    /// <returns></returns>
+    ValueTask<EgressResult> StartEgress(EgressRequest request);
+    
     /// <summary>
     /// Deletes file data only, metadata must be deleted with <see cref="IFileInfoManager.Delete"/>
     /// </summary>

VoidCat/Services/Files/FileSystemFactory.cs

@@ -54,6 +54,13 @@ public class FileStoreFactory : IFileStore
         await store.Egress(request, outStream, cts);
     }
     
+    /// <inheritdoc />
+    public async ValueTask<EgressResult> StartEgress(EgressRequest request)
+    {
+        var store = await GetStore(request.Id);
+        return await store.StartEgress(request);
+    }
+
     /// <inheritdoc />
     public async ValueTask DeleteFile(Guid id)
     {

VoidCat/Services/Files/LocalDiskFileStorage.cs

@@ -31,6 +31,12 @@ public class LocalDiskFileStore : StreamFileStore, IFileStore
         await EgressFromStream(fs, request, outStream, cts);
     }
     
+    /// <inheritdoc />
+    public ValueTask<EgressResult> StartEgress(EgressRequest request)
+    {
+        return ValueTask.FromResult(new EgressResult());
+    }
+
     /// <inheritdoc />
     public string Key => "local-disk";
     

VoidCat/Services/Files/S3FileMetadataStore.cs

@@ -143,15 +143,6 @@ public class S3FileMetadataStore : IFileMetadataStore
             if (ret != default)
             {
                 ret.Id = id;
-                if (_config.Direct)
-                {
-                    var ub = new UriBuilder(_config.ServiceUrl!)
-                    {
-                        Path = $"/{_config.BucketName}/{id}"
-                    };
-
-                    ret.Url = ub.Uri;
-                }
             }
 
             return ret;

VoidCat/Services/Files/S3FileStore.cs

@@ -61,6 +61,19 @@ public class S3FileStore : StreamFileStore, IFileStore
         await EgressFull(request.Id, stream, outStream, cts);
     }
 
+    /// <inheritdoc />
+    public ValueTask<EgressResult> StartEgress(EgressRequest request)
+    {
+        if (!_config.Direct) return ValueTask.FromResult(new EgressResult());
+
+        var ub = new UriBuilder(_config.ServiceUrl!)
+        {
+            Path = $"/{_config.BucketName}/{request.Id}"
+        };
+
+        return ValueTask.FromResult(new EgressResult(ub.Uri));
+    }
+
     public async ValueTask<PagedResult<PublicVoidFile>> ListFiles(PagedRequest request)
     {
         try

VoidCat/spa/src/ApiKeyList.js

@@ -19,8 +19,10 @@ export default function ApiKeyList() {
         let rsp = await Api.createApiKey({
             expiry: new Date(new Date().getTime() + DefaultExpiry)
         });
+        if (rsp.ok) {
             setNewApiKey(await rsp.json());
         }
+    }
 
     useEffect(() => {
         if (Api) {
@@ -59,7 +61,7 @@ export default function ApiKeyList() {
                 </tbody>
             </table>
             {newApiKey ?
-                <VoidModal title="New Api Key" style={{ maxWidth: "50vw"}}>
+                <VoidModal title="New Api Key" style={{maxWidth: "50vw"}}>
                     Please save this now as it will not be shown again:
                     <pre className="copy">{newApiKey.token}</pre>
                     <VoidButton onClick={(e) => setNewApiKey(undefined)}>Close</VoidButton>