First Commit

pages/export_blocknote.php

@@ -0,0 +1,27 @@
+<?php
+require_login();
+
+$user = current_user();
+$blocknote_id = $_GET['id'] ?? '';
+$bn = get_blocknote_by_id($blocknote_id);
+
+if (!$bn || !can_access_blocknote($bn, $user['username'], is_admin())) {
+    header("Location: index.php?page=home");
+    exit;
+}
+
+// Clean output buffer before outputting binary/file response
+if (ob_get_level()) {
+    ob_end_clean();
+}
+
+$safe_title = preg_replace('/[^a-zA-Z0-9_\-]/', '_', $bn['title']);
+$filename = "blocknote_" . $safe_title . "_" . $bn['id'] . ".json";
+
+header('Content-Type: application/json; charset=utf-8');
+header('Content-Disposition: attachment; filename="' . $filename . '"');
+header('Pragma: no-cache');
+header('Expires: 0');
+
+echo json_encode($bn, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
+exit;