Cognito Federated to Salesforce and S3 Presigned URL

code for article pfeilbr/cognito-federated-to-salesforce-and-s3-presigned-url-playground

see index.html
see ~/Dropbox/notes/static-s3-cognito-authentication.md on local machine also for greater detail on setup

# local dev
# start server.  serves static files from current directory '.'.  listens on ssl 443
sudo node server.js
open https://localhost

# on s3
open https://pfeil-static-site-01.s3.amazonaws.com/index.html

# on cloudfront
open https://d3tz189emgpc7c.cloudfront.net/index.html

# copy updated file to s3
aws s3 cp index.html s3://pfeil-static-site-01/index.html
# invalidate cloudfront dist after copy

# if any login issues
# clear site data for https://pfeil-dev-ed.my.salesforce.com in chrome dev tools

Pre-signed URL Example

see index.js
node index.js outputs pre-signed url. (uses ~/.aws/credentials and pre-signed URL generated under that users context/permission)
PUT / upload file to S3 via curl -X PUT -T hello.txt -L '<pre-signed url>'

Login with Cognito Federated to Salesforce Example

Pre-signed URL Example