Upload files matching pattern to S3 with Bash and curl

file_pattern_s3_upload.sh

#!/bin/bash
#
patternMatches="foo/target/*.jar
bar/target/*.jar
baz/target/*.jar
"

bucket=my-bucketname
objectPath=bucketdir/subdir

#S3 access is via an restriced AWS IAM user
s3Key=AKIAiiiiiiiMYACCESSKEY
s3Secret=fDWmABiiiiiiMYSECRETKEY

function uploadFile() {
#    echo "uploading filepath $1"

    base_name=$(basename $1)
#    echo "base_name is $base_name"

    resource="/${bucket}/${objectPath}/${base_name}"
    contentType="application/octet-stream"
    dateValue=$(date -u +"%a, %d %b %Y %T %z")
    stringToSign="PUT\n\n${contentType}\n${dateValue}\n${resource}"

    signature=$(echo -en ${stringToSign} | openssl sha1 -hmac ${s3Secret} -binary | base64)
    curl -X PUT -T "$1" \
      -H "Host: ${bucket}.s3.amazonaws.com" \
      -H "Date: ${dateValue}" \
      -H "Content-Type: ${contentType}" \
      -H "Authorization: AWS ${s3Key}:${signature}" \
      -L https://${bucket}.s3.amazonaws.com/${objectPath}/${base_name}
}

for p in "${patternMatches[@]}"; do
set -- $p
    if [ "$#" -gt 0 ]; then
        for f in "$@"; do
#            files_to_upload=(${files_to_upload[@]} ${f})
            uploadFile ${f}
        done
    fi
done