progress bar + better ui

nextjs/app/%5Fshare/[filename]/route.js

@@ -31,6 +31,28 @@ function contentDisposition(filename) {
   return `attachment; filename="${fallback}"; filename*=UTF-8''${encoded}`;
 }
 
+function escapeLike(value) {
+  return String(value || '').replace(/[\\%_]/g, '\\$&');
+}
+
+async function findUploadRow(fileName) {
+  const exactRow = await get('SELECT id, original_name, stored_path FROM uploads WHERE stored_name = ?', [
+    fileName,
+  ]);
+  if (exactRow || fileName.includes('.')) {
+    return exactRow;
+  }
+
+  const likePattern = `${escapeLike(fileName)}.%`;
+  return get(
+    `SELECT id, original_name, stored_path FROM uploads
+     WHERE stored_name = ? OR stored_name LIKE ? ESCAPE '\\'
+     ORDER BY CASE WHEN stored_name = ? THEN 0 ELSE 1 END, id DESC
+     LIMIT 1`,
+    [fileName, likePattern, fileName]
+  );
+}
+
 export async function GET(request, { params }) {
   await runCleanupIfNeeded();
 
@@ -40,7 +62,7 @@ export async function GET(request, { params }) {
     return new NextResponse('Ungültiger Dateiname', { status: 400 });
   }
 
-  const row = await get('SELECT id, original_name, stored_path FROM uploads WHERE stored_name = ?', [fileName]);
+  const row = await findUploadRow(fileName);
 
   let filePath;
   let downloadName;