secretshardul’s gists

secretshardul / response header mapping

Created February 4, 2020 11:07

response header mapping

integration.response.header.PARAM_NAME

secretshardul / index.js

Created February 3, 2020 12:29

Demonstration for returning image from Lambda with Lambda integration. The handler simply returns 'params' parameter from the JSON object passed to it by API gateway.

	exports.handler = async (event) => {
	return event.params;
	};

secretshardul / template

Created February 3, 2020 12:17

Routes input directly to lambda

	{
	"params" : "$input"
	}

secretshardul / index.js

Created February 3, 2020 07:19

Return back binary data with correct headers using Lambda proxy integration

	exports.handler = async (event) => {
	return {
	statusCode: 200,
	isBase64Encoded: event["isBase64Encoded"],
	headers: {
	"Content-Type": event["headers"]["Content-Type"]
	},
	body: event["body"]
	};
	};

secretshardul / lambda_proxy_response

Last active February 3, 2020 07:02

Response template for Lambda Proxy response

	{
	"isBase64Encoded": true\|false,
	"statusCode": httpStatusCode,
	"headers": { "headerName": "headerValue", ... },
	"multiValueHeaders": { "headerName": ["headerValue", "headerValue2", ...], ... },
	"body": "..."
	}

secretshardul / lambda_proxy.json

Created February 3, 2020 05:38

Lambda proxy event template. This is an official test event on AWS Lambda console

	{
	"body": "eyJ0ZXN0IjoiYm9keSJ9",
	"resource": "/{proxy+}",
	"path": "/path/to/resource",
	"httpMethod": "POST",
	"isBase64Encoded": true,
	"queryStringParameters": {
	"foo": "bar"
	},
	"multiValueQueryStringParameters": {

secretshardul / pathParamXwwForm.vtl

Last active February 3, 2020 09:52

API gateway handles path and query parameters. 'x-www-form-urlencoded' string is passed to Lambda.

	{
	"my_path_param" : "$input.params('my_path_param')",
	"my_query_param" : "$input.params('my_query_param')",
	"body": "$input"
	}

secretshardul / handler.js

Last active February 12, 2020 05:12

Lambda integration to parse x-www-form-urlencoded. The handler returns back the event as it is.

	var qs = require('querystring')
	exports.handler = async (event) => {
	return event
	};

secretshardul / index.js

Created January 31, 2020 10:34

NodeJs function to parse x-www-form-urlencoded. This Lambda function is proxied behind an API gateway endpoint.

	var qs = require('querystring')
	exports.handler = async (event) => {

	return {
	statusCode: 200,
	body: JSON.stringify({
	"body": qs.parse(event.body)
	})
	};
	};

secretshardul / API gateway template

Created January 31, 2020 08:30

	#set($allParams = $input.params())
	{
	"params" : {
	#foreach($type in $allParams.keySet())
	#set($params = $allParams.get($type))
	"$type" : {
	#foreach($paramName in $params.keySet())
	"$paramName" : "$util.escapeJavaScript($params.get($paramName))"
	#if($foreach.hasNext),#end
	#end

ss secretshardul