AWS S3-PreSign Helps to create pre-signed url S3PreSigned helps to create a signed url for a given s3 object. Helps to open S3 object for 72 hours Pre-requisite: Update env.sh To run: source env.sh ./s3PreSign -bucketname=xyz -bucketprefix=folder/filename.txt Usage: ./s3PreSign help To build: go build ./s3PreSigned.go