Upload object to s3 using aws api gateway service proxy / API Gateway Proxy for S3 with subdirectories

 

This is guideline how to create the AWS API Gateway

Assumption: S3 bucket name: "us-east-1-dev" and folders: --> light/ --> test_1/ --> pdfs/

Create the REST API

1. Created a resource proxy
2. select service proxy 

Resource Name*: proxy

Resource Path*: {proxy+}

Click Create API

select the option: HTTP proxy

Endpoint URL: (key anything) e.g: https://testing.com/{proxy}

click Save

Next, choose "Integration Request" 

1. Integration type: AWS service
2. select the desired region
3. select the desired aws service(s3 in my case)
4. In subdomain give bucket name (e.g: xxxx-us-east-1-dev)
5. HTTP method: select "PUT" if you want to upload a object. "GET" if you want to get the object. Here is "PUT"
6. In path override give Path override: {proxy} (because to pass the bucketname dynamically)
7. finally for api gateway service proxy we need to add the arn for detail explanation on creation of arn follow the document http://docs.aws.amazon.com/apigateway/latest/developerguide/getting-started-aws-proxy.html

Next, in the "Method Response"

HTTP Status --> fill "200"

Next, in the "Integration Response"

fill "integration.response.header.Content-Type" for "Mapping value"

--> Save.

Go to Testing:

Select the option "Method" as we selected above.

the PATH, key in the file which you want to get

E.g: light/test_2/pdfs/dummy.txt