Fix an issue with an javascript app, cloudflare workers and backblaze

I've build a basic html file with some javascript and libraries. Those libraries are videojs and viblast. I'm using those libs to display videos. In top of that. I'm using cloudflare workers to intercept requests and do some stuff. Also, i'm storing the videos on a private backblaze bucket. Cloudflare workers are intercepting requests that are going to the private backblaze bucket, because they are private they need some authorization. Cloudflare do that for me, it sets some auth headers to retrieve the video and finally display it. The issue i'm having is that cloudflare workers are not reading the custom headers i'm sending through requests (videojs api) i'm attaching the worker code and a codepen with the javascript app and the libraries doing the requests to the video. [login to view URL]