Avoid blob url for files downloads (#17986)

MetaMask · Mar 7, 2023 · bfbd652 · bfbd652
1 parent f46ce9f
commit bfbd652
Showing 1 changed file with 7 additions and 13 deletions.
diff --git a/ui/helpers/utils/export-utils.js b/ui/helpers/utils/export-utils.js
@@ -1,19 +1,13 @@
 import { getRandomFileName } from './util';
 
 export function exportAsFile(filename, data, type = 'text/csv') {
+  const b64 = Buffer.from(data, 'utf8').toString('base64');
   // eslint-disable-next-line no-param-reassign
   filename = filename || getRandomFileName();
-  // source: https://stackoverflow.com/a/33542499 by Ludovic Feltz
-  const blob = new window.Blob([data], { type });
-  if (window.navigator.msSaveOrOpenBlob) {
-    window.navigator.msSaveBlob(blob, filename);
-  } else {
-    const elem = window.document.createElement('a');
-    elem.target = '_blank';
-    elem.href = window.URL.createObjectURL(blob);
-    elem.download = filename;
-    document.body.appendChild(elem);
-    elem.click();
-    document.body.removeChild(elem);
-  }
+  const elem = window.document.createElement('a');
+  elem.href = `data:${type};Base64,${b64}`;
+  elem.download = filename;
+  document.body.appendChild(elem);
+  elem.click();
+  document.body.removeChild(elem);
 }