HackerOne: Obtain the username & the uid of the one doing the S3 sync on Hackerone

Obtain the username & uid of hackerone.com S3 using GET, it's possible to obtain the username & uid of the one doing the S3 sync on Hackerone. Doing a GET on : http://hackerone.com Give the following header : content-security-policy = default-src 'none'; base-uri 'self'; block-all-mixed-content;...