# This is a sample ruby script code for IIJ IoT Data Storage Web API.

# For more information please refer to the manual.

# require packages

# if you do not install packages, please use 'gem' to install.

require 'rubygems'

require 'time'

require 'net/http'

require 'base64'

require 'openssl'

require 'xmlsimple'

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

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

access_key = ''             # your access key

secret_key = ''             # your secret key

content_md5 = ''            # if you upload file, you have to write.

content_type = ''           # not edit

date = Time.now.httpdate    # now date

root = ''                   # if you use payload, you specify root of xml.

# if you needed. We expect xml.

payload2hash = {}

payload = XmlSimple.xml_out(payload2hash, RootName: root)

content_length = payload.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 have to write.

canonicalized_resource = bucket_name + query

string2sign = http_verb + "\n" +

              content_md5 + "\n" +

              content_type + "\n" +

              date + "\n" +

              canonicalized_headers +

              bucket_name

# create signature

hmac = OpenSSL::HMAC.digest('sha1', secret_key.encode('utf-8'), string2sign.encode('utf-8'))

signature = Base64.encode64(hmac).chomp!

uri = URI(BASE_URL + canonicalized_resource)

request = Net::HTTP::Get.new(uri.request_uri)

# request = Net::HTTP::Post.new(uri.request_uri)

# request = Net::HTTP::Put.new(uri.request_uri)

# request = Net::HTTP::Delete.new(uri.request_uri)

# request = Net::HTTP::Head.new(uri.request_uri)

request['Authorization'] = "IIJGIO " + access_key + ":" + signature

request['Content-MD5'] = content_md5

request['Content-Type'] = content_type

request['Content-Length'] = content_length

request['Date'] = date

request['Host'] = HOST

# request.body = payload

http = Net::HTTP.new(uri.host, uri.port)

http.use_ssl = true

response = http.request(request)

puts("Status Code: " + response.code)

puts("Body:\n" + response.body)