APNs Token Authentication about apns2 HOT 14 CLOSED

@raphaeljlps The PR is here #43 however we are still blocked by the way the golang http2 implementation interprets the MAX_CONCURRENT_STREAMS header.

The two options to move this issue forward are;

1. Suggest alterations to the http/2 library and hope that it gets picked up in an upcoming version of go.
2. Patch the http/2 library and include a forked version in this package in the interim.

None of these are amazing, but open to suggestions to move it forward.

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Done :)

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@nathany Good idea - could be the best solution for now. Agree it's a bit hacky but would allow us to move forward!

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@sideshow A third option might be just to hack it? Assume 1 request at a time until the first one succeeds, then bring up a worker pool. One thing I'm not sure about though is if the connection is lost, in which case it may need to drop back down to 1 request at a time on a new connection.

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@markschmid The library that you linked to suffers from the same issue when used asyncronously, I was able to reproduce the error (stream error: stream ID xx; REFUSED_STREAM) by modifying his sample code in his library to illustrate.

Here is his sample code with lines 101-115 modified to use async behaviour and reproduce the problem https://gist.github.com/sideshow/b4d8898e76813216d1fc2b8ad12e4eef#file-test-go-L105-L115

If you haven't encountered this bug then you may not be using his library in an async manner and in that case you would be better to the apps/2 feature-auth-token branch which has test coverage https://github.com/sideshow/apns2/tree/feature-auth-token

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Haven't been aware of the feature-auth-token branch. Great stuff, thanks.

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@vivangkumar I have been working on this.
Should have the first version in the next few days (as a branch) and would love feedback around the implementation.

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That's great news. Sure, I'll pop back once the branch is up and have a look :) Thanks!

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Hey @vivangkumar
Please see initial working example of Token based Auth here #43
This has been tested as working on production APNS
Any comments and critique welcome

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I use "github.com/dgrijalva/jwt-go" to generate jwt-token. Here is an example https://github.com/laozi2/token-auth-apns-http2-proxy

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For a list of various JWT libraries, see https://jwt.io/ and click Libraries and Filter By "Go".

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Thanks guys. I ended up using jwt-go. Here is my [WIP] PR #43

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@sideshow any updates on this feature?

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We're also eagerly looking forward to this functionality. :)
Currently we're using https://github.com/soh335/apnsapi with Token Authentication but would like to switch to this library (apns2) as soon as possible.

In the meantime, is there a known workaround that allows to use apns2 with Token Authentication already?

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