Fairplay content not playing on 3.2.0 but works on 3.1.2

[bmaniar]

Have you read the FAQ and checked for duplicate open issues?
Yes

What version of Shaka Player are you using?
3.2.0

Can you reproduce the issue with our latest release version?
Yes

Can you reproduce the issue with the latest code from master?
Yes

Are you using the demo app or your own custom app?
Custom App

If custom app, can you reproduce the issue using our demo app?
Yes

What browser and OS are you using?
Safari Version 14.1.1

What are the manifest and license server URIs?
Sent in email

What configuration are you using? What is the output of player.getConfiguration()?

{
   "drm":{
      "servers":{
         "com.widevine.alpha":"licenseUrl",
         "com.microsoft.playready":"licenseUrl",
         "com.apple.fps.1_0":"licenseUrl"
      },
      "advanced":{
         "com.apple.fps.1_0":{
            "serverCertificate":"fairPlayCertData"
         }
      }
   }
}

License Wrapping

inUseInstance.getNetworkingEngine().registerRequestFilter((type, request) => {
    if (type != net.NetworkingEngine.RequestType.LICENSE) {
        return
    }
    const originalPayload = new Uint8Array(request.body)
    const base64Payload = util.Uint8ArrayUtils.toBase64(originalPayload)
    const params = JSON.stringify({
        spc: encodeURIComponent(base64Payload),
        assetId: window.location.hostname
    })
    request.headers['Content-Type'] = 'application/json'
    request.responseType = 'arraybuffer'
    request.body = params
})

What did you do?
Tried to play Fairplay protected content on the safari browser

What did you expect to happen?
It should play the video properly

What actually happened?
We are getting error code 6010 which indicate ENCRYPTED_CONTENT_WITHOUT_DRM_INFO

Content properly plays with the same configuration on version 3.1.2.

[avelad]

Duplicate of #3530

[TheModMaker]

Closing as a duplicate.