Generate random download session id with crypto (merge commit)

Merge branch 'bugfix/insecure-randomness' into 'main'
* Generate random download session id with crypto

Closes #1238
See merge request https://gitlab.ci.csc.fi/sds-dev/sd-connect/swift-browser-ui/-/merge_requests/330

Approved-by: Joonatan Mäkinen <[email protected]>
Approved-by: Felipe Morato Moreira <[email protected]>
Co-authored-by: Monika Radaviciute <[email protected]>
Merged by Joonatan Mäkinen <[email protected]>

Author: Joonatan Mäkinen

swift_browser_ui_frontend/src/common/socket.js

@@ -406,7 +406,7 @@ export default class UploadSocket {
   ) {
 
     //get random id
-    const sessionId = Math.random().toString(36).slice(2, 8);
+    const sessionId = window.crypto.randomUUID().slice(0, 8);
 
     let ownerName = "";
     if (owner) {