feat: protect pdf

src/pages/tools/pdf/utils.ts

@@ -0,0 +1,16 @@
+export function loadPDFData(url: string, filename: string): Promise<File> {
+  return new Promise((resolve) => {
+    const xhr = new XMLHttpRequest();
+    xhr.open('GET', url);
+    xhr.responseType = 'arraybuffer';
+    xhr.onload = function () {
+      window.URL.revokeObjectURL(url);
+      const blob = new Blob([xhr.response], { type: 'application/pdf' });
+      const newFile = new File([blob], filename, {
+        type: 'application/pdf'
+      });
+      resolve(newFile);
+    };
+    xhr.send();
+  });
+}