Add support for APNS auth token (p8)

[BenchR267]

Apple provides a way to send push notifications without the need of certificates by creating never expiring authentication keys (http://stackoverflow.com/questions/39943701/how-to-send-apns-push-messages-using-apns-auth-key-and-standard-cli-tools).
Unfortunately NWPusher does not support this kind of authentication yet.

[JanC]

See #54

[BenchR267]

Isn't that a different thing? #54 is about using certificates over http/2 🤔

[JanC]

Well .. since the Pusher supports only the binary apple API and there are no plans to use the HTTP API, it means that it does not use the http (or http/2) API which is needed for sending pushes with token authentication.

[BenchR267]

Makes sense. So it's related, but not the same.

[JanC]

btw, I'm using Knuff but it also does not support token based auth :/
KnuffApp/Knuff#62

[andrejbroncek]

Do you guys know of any alternative that might have support for this?

[onmyway133]

@andrejbroncek @BenchR267 @JanC in the meantime, you can use https://github.com/onmyway133/PushNotifications which supports APNS certificate, token and FCM authentication, works on both iOS and Android

[jaymehtasa]

Pusheverapp free version does the job...
https://pushever.app/

Downloadable Mac App - https://github.com/cupnoodle/pusheverapp/releases/download/2.0t/PusheverTrial.app.zip