Uploading to S3 (bash script)

put_s3.sh

#!/usr/bin/env bash
bucket=your-bucket
resource="/${bucket}/${file}"

file=/file_to_upload
contentType="application/x-compressed-tar"

dateValue=`date -R`
stringToSign="PUT\n\n${contentType}\n${dateValue}\n${resource}"

s3Key=xxxxxxxxxxxxxxxxxxxx
s3Secret=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

signature=`echo -en ${stringToSign} | openssl sha1 -hmac ${s3Secret} -binary | base64`

curl -X PUT -T "${file}" \
  -H "Host: ${bucket}.s3.amazonaws.com" \
  -H "Date: ${dateValue}" \
  -H "Content-Type: ${contentType}" \
  -H "Authorization: AWS ${s3Key}:${signature}" \
  https://${bucket}.s3.amazonaws.com/${file}