#!/bin/bash

# This is a sample shell(bash) script code for IIJ IoT Data Storage Web API.

# For more information please refer to the manual.

readonly BASE_URL='https://s3api.iot.iij.jp'  # not edit

readonly HOST='s3api.iot.iij.jp'              # not edit

access_key=''                                  # your access key

secret_key=''                                  # your secret key

content_md5=''                                 # if you upload file, you may write.

content_type=''                                # not edit

_date=$(date -u +'%a, %d %b %Y %H:%M:%S GMT')  # now date

payload=''                                     # if you needed. We expect xml.

content_length=${#payload}                     # request body length

http_verb='GET'                                # or POST, PUT, DELETE, HEAD

bucket_name='/sample'                          # specify your bucket

query=''                                       # if you needed. e.g. ?id=hoge

canonicalized_headers=''                       # if you use optional headers, you may write.

canonicalized_resource=${bucket_name}${query}

string_to_sign="${http_verb}

${content_md5}

${content_type}

${_date}

${canonicalized_headers}${bucket_name}"

# create signature

signature=$(echo -en "${string_to_sign}" | openssl dgst -sha1 -binary -hmac "${secret_key}" | base64)

headers=(

  "Authorization: IIJGIO ${access_key}:${signature}"

  "Content-Type: ${content_type}"

  "Content-Length: ${content_length}"

  "Content-MD5: ${content_md5}"

  "Date: ${_date}"

  "Host: ${HOST}"

)

str_headers=""

for h in "${headers[@]}"; do

  str_headers+="-H \"${h}\" "

done

eval curl -v -X ${http_verb} ${str_headers} ${BASE_URL}${canonicalized_resource}

# eval curl -i -X ${http_verb} ${str_headers} ${BASE_URL}${canonicalized_resource} -d "${payload}"