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yossale / AppSync-Example.yaml

Created April 10, 2022 13:27 — forked from adrianhall/AppSync-Example.yaml

An example CloudFormation template for AWS AppSync

	---
	Description: AWSAppSync DynamoDB Example
	Resources:
	GraphQLApi:
	Type: "AWS::AppSync::GraphQLApi"
	Properties:
	Name: AWSAppSync DynamoDB Example
	AuthenticationType: AWS_IAM

	PostDynamoDBTableDataSource:

yossale / verify.js

Last active October 13, 2020 15:42

JWT Verificaiton

	const jwt = require('jsonwebtoken');
	const fs = require('fs')

	function decode(token, pemFile) {
	let cert = fs.readFileSync(pemFile); // get public key
	jwt.verify(token, cert, function (err, decoded) {
	if (err) {
	console.error("Error", err)
	}
	console.log(`${JSON.stringify(decoded)}`)

yossale / sign.js

Last active October 13, 2020 15:42

JWT Signing Lambda

	const AWS = require("aws-sdk");
	const kms = new AWS.KMS();
	const util = require('util')

	const base64url = require("base64url");
	const keyId = '<YOUR_KEY_ID>'

	async function sign(headers, payload, key_arn) {

	payload.iat = Math.floor(Date.now() / 1000);

yossale / ScalableWebhook-processing.js

Created July 28, 2020 09:27

Scalable Webhook - Sample code for the Processing function

	const util = require('util')
	const AWS = require('aws-sdk')
	const docClient = new AWS.DynamoDB.DocumentClient();

	const REQ_TABLE = process.env.TABLE_REQUESTSTABLE01

	async function updateUserProductsByEmailId(emailId) {

	console.info(`Updating user products for email: ${emailId}`)
	//Update all the user-specific products as seen

yossale / ScalableWebhook-enqueue.js

Created July 28, 2020 09:26

Scalable Webhook - Sample code for the Enqueue function

	const AWS = require('aws-sdk')
	const sqs = new AWS.SQS({ apiVersion: '2012-11-05' });

	const queueUrl = process.env.QUEUE_REQUESTSQUEUE01

	function isValidMessage(msg) {

	console.info(`Verifying message [${msg}]`)
	//Do some verification logic here
	return true

yossale / ScalableWebhook-CF_template_1.json

Created July 28, 2020 09:06

Scalable Webhook - Basic CloudFormation Template (Before limiting concurrency and adding DLQ)

yossale / additionalFuncResources.json

Created June 22, 2020 08:18

Log Group creation and subscription

yossale / logGroupListener-permission.json

Created June 22, 2020 07:56

logGroupListener-permission.json

	{
	"Version": "2012–10–17",
	"Statement": [
	{
	"Sid": "Manual",
	"Effect": "Allow",
	"Action": "logs:PutSubscriptionFilter",
	"Resource": "arn:aws:logs:us-east-1:{YOUR_ACCOUNT_ID}:log-group:/aws/Lambda/*"
	}
	]

yossale / logGroupEvent.json

Created June 22, 2020 07:53

LogGroupCreate CloudWatch Event

yossale / LogGroupListenerTemplate.json

Created June 21, 2020 17:31

Log Group listener

	{
	"AWSTemplateFormatVersion":"2010-09-09",
	"Transform":"AWS::Serverless-2016-10-31",
	"Resources":{
	"StackUpdatesListener01":{
	"Type":"AWS::Serverless::Function",
	"Properties":{
	"InlineCode": "module.exports.handler = async (event, context) => { console.log('LOGGING', context); return { statusCode: 200 } }",
	"Handler": "index.handler",
	"Runtime":"nodejs12.x",