Returned 'Access-Control-Allow-Origin' is not taken into account for youtube v3 CORS
问题 I have a client and a server. My work flow is as follows: The server uploads a snippet to youtube with API v3 and gets a resumable url (Youtube v3 API for resumable uploads - https://developers.google.com/youtube/v3/guides/using_resumable_upload_protocol) This url is send from my server to the browser where the browser makes an ajax PUT request to upload the actual file to the resumable url. In this way the file is not transferred to the server, but directly uploaded from the client. As a