Using Google Cloud Functions to Handle Subscription Notifications

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Created Jan ’20

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I am trying to set up a Google Cloud Function (GCF) to handle Subscription Notifications from Apple. I am familiar with GCF, but not familiar with the Nodejs methods of handling the data Apple sends with the notification. I am receiving the Apple notification, but only a "chunk" of it. Here's my code (using express and body-parser frameworks):

exports.iosNotification = functions.https.onRequest((req, res) => {
    console.log("We are receiving a request from Apple.");
    app.use(bodyParser.json());
    console.log(req.body);

Should I be "listening" to a port? If so, which one? Do I need to concatenate "chunks"? As you can see, I've read about this, but I'm a little lost here.

This is the output I'm getting (which is part of the notification Apple says it is sending):

{ latest_receipt: 'ewoJInNpZ25hdHVyZSIgPSAiQTNVM0FjaDJpbXRPMG53cEtrQW9

But I don't get `notification_type` or any of the other parts of the JSON file.

Answered by T.M. Lynch in 402381022

I solved the problem. See my stack overflow answer here:

https://stackoverflow.com/questions/59742537/only-receiving-part-of-apple-subscription-notification-in-google-cloud-function/59753580#59753580

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Answer 1

T.M. Lynch OP

Jan ’20

Accepted Answer

I solved the problem. See my stack overflow answer here:

https://stackoverflow.com/questions/59742537/only-receiving-part-of-apple-subscription-notification-in-google-cloud-function/59753580#59753580

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Answer 2

CrdsApp OP

Feb ’21

Hi, I'm just now trying to do something similar to what you did getting Google Cloud Functions to work with with Subscription Notifications. I was wondering if you got this working completely and if you could share everything you did. I can't find any tutorials or walk throughs online. If you could share any helpful links or writeup what you did I'd be very very very grateful.

Thanks in Advance!

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