CORS proxy

Simple AWS Lambda based proxy server for making CORS requests from browser to any HTTP server.

Run locally

1. Install

npm install

2. Run

node_modules/.bin/serverless offline

or

npm run offline

3. Use

Open your browser and go to http://localhost:3000/?url=<origin page>. For example:

http://localhost:3000/?url=https://github.com/

Run on AWS

0. Requirements

You need AWS account first. Also you need your IAM user has access to deploy AWS lambdas.

node_modules/.bin/serverless config credentials --provider aws --key <aws_key> --secret <aws_secret>

1. Install

npm install

2. Deploy

node_modules/.bin/serverless deploy --region <aws_region>

or

npm run deploy

You will see such console response:

Serverless: Packaging service...
Serverless: Excluding development dependencies...
Serverless: Creating Stack...
Serverless: Checking Stack create progress...
.....
Serverless: Stack create finished...
Serverless: Uploading CloudFormation file to S3...
Serverless: Uploading artifacts...
Serverless: Uploading service .zip file to S3 (16.08 MB)...
Serverless: Validating template...
Serverless: Updating Stack...
Serverless: Checking Stack update progress...
..............................
Serverless: Stack update finished...
Service Information
service: cors-proxy
stage: dev
region: eu-central-1
stack: cors-proxy-dev
api keys:
  None
endpoints:
  GET - https://qwertyuiop.execute-api.eu-central-1.amazonaws.com/dev/
functions:
  lambda: cors-proxy-dev-lambda

3. Use

Open your browser and use endpoint field from previous console response as base address. For example:

https://qwertyuiop.execute-api.eu-central-1.amazonaws.com/dev/?url=https://github.com/