script to download file from Amazon S3 bucket

Question

Trying to write script to download file from Amazon S3 bucket.

Having trouble with the example on the cURL site. The script below produces:

The re

Answer 1

#!/bin/sh
# This works for cross region
outputFile="/PATH/TO/FILE"
awsFile="BUCKETPATH/TO/FILE"
bucket="SOME-BUCKET"
resource="/${bucket}/${awsFile}"
contentType="application/x-compressed-tar"
# Change the content type as desired
dateValue=`TZ=GMT date -R`
#Use dateValue=`date -R` if your TZ is already GMT
stringToSign="GET\n\n${contentType}\n${dateValue}\n${resource}"
s3Key="ACCESS_KEY_ID"
s3Secret="SECRET_ACCESS_KEY"
signature=`echo -n ${stringToSign} | openssl sha1 -hmac ${s3Secret} -binary | base64`
curl -H "Host: ${bucket}.s3.amazonaws.com" \
     -H "Date: ${dateValue}" \
     -H "Content-Type: ${contentType}" \
     -H "Authorization: AWS ${s3Key}:${signature}" \
     https://${bucket}.s3.amazonaws.com/${awsFile} -o $outputFile