Does https://www.googleapis.com/upload/drive/v2/files really support CORS?

Question

Update: This is a bug in GoogleDrive, CORS is not enabled for upload URIs. @Nivco pointed me to a work around with Google\'s client library which uses an i

Answer 1

CORS is fully enabled now. See https://github.com/googledrive/cors-upload-sample for an example of how to do resumable uploads with vanilla JS.