sns-payload-validator/lib/keys.js

Node.js library that validates an AWS SNS payload of an HTTP/S POST or Lambda.

'use strict';

exports.getKeys = (type) => {

    if (type === 'SubscriptionConfirmation' || type === 'UnsubscribeConfirmation') {
        // Support Both HTTP/S and Lambda Keys for SubscribeURL
        return ['Message', 'MessageId', 'SubscribeURL', 'SubscribeUrl', 'Timestamp', 'Token', 'TopicArn', 'Type'];
    }
    else if (type === 'Notification') {
        return ['Message', 'MessageId', 'Subject', 'Timestamp', 'TopicArn', 'Type'];
    }

    throw new Error('Invalid Type');
};