High res uploads

lib/storage.ts

@@ -219,3 +219,71 @@ function getPublicUrl(key: string, provider: StorageProvider): string {
   // Fallback
   return `/${key}`;
 }
+
+// ── Hetzner Object Storage (dedicated high-res bucket) ───────────────────────
+
+function buildHetznerClient(): S3Client {
+  return new S3Client({
+    region: "auto",
+    endpoint: process.env.HETZNER_ENDPOINT!,
+    credentials: {
+      accessKeyId: process.env.HETZNER_ACCESS_KEY!,
+      secretAccessKey: process.env.HETZNER_SECRET_KEY!,
+    },
+  });
+}
+
+function getHetznerBucket(): string {
+  return process.env.HETZNER_BUCKET_NAME ?? "vfx-review";
+}
+
+/**
+ * Upload a buffer directly to the Hetzner bucket (always uses Hetzner credentials,
+ * regardless of the global STORAGE_PROVIDER setting).
+ */
+export async function uploadToHetzner(
+  buffer: Buffer,
+  fileName: string,
+  contentType: string,
+  folder: string = "highres"
+): Promise<{ key: string }> {
+  const key = `${folder}/${randomUUID()}-${fileName}`;
+  const client = buildHetznerClient();
+  await client.send(
+    new PutObjectCommand({
+      Bucket: getHetznerBucket(),
+      Key: key,
+      Body: buffer,
+      ContentType: contentType,
+    })
+  );
+  return { key };
+}
+
+/**
+ * Generate a presigned download URL from Hetzner that forces a file download
+ * with the original filename preserved via Content-Disposition.
+ */
+export async function generateHetznerDownloadUrl(
+  key: string,
+  originalFilename: string,
+  expiresIn: number = 3600
+): Promise<string> {
+  const client = buildHetznerClient();
+  const command = new GetObjectCommand({
+    Bucket: getHetznerBucket(),
+    Key: key,
+    ResponseContentDisposition: `attachment; filename="${originalFilename}"`,
+  });
+  return getSignedUrl(client, command, { expiresIn });
+}
+
+/**
+ * Delete a file from the Hetzner bucket by key.
+ */
+export async function deleteFromHetzner(key: string): Promise<void> {
+  const client = buildHetznerClient();
+  await client.send(
+    new DeleteObjectCommand({ Bucket: getHetznerBucket(), Key: key })
+  );
+}