Contents

#-------------------------------------------------------------------------
# # Copyright (c) Microsoft and contributors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
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#--------------------------------------------------------------------------
require "openssl"
require "base64"
require "azure/core/configuration"

module Azure
  module Core
    module Auth
      # Public: Utility class to sign strings with HMAC-256 and then encode the
      # signed string using Base64.
      class Signer
        # The access key for the account
        attr :access_key

        # Public: Initialize the Signer.
        #
        # access_key - The access_key encoded in Base64. Defaults to the one
        #              in the global configuration.
        def initialize(access_key=Azure.config.storage_access_key)
          @access_key = Base64.strict_decode64(access_key)
        end

        # Public: Generate an HMAC signature.
        #
        # body - The string to sign.
        #
        # Returns a Base64 String signed with HMAC.
        def sign(body)
          signed = OpenSSL::HMAC.digest("sha256", access_key, body)
          Base64.strict_encode64(signed)
        end
      end
    end
  end
end

Version data entries

3 entries across 3 versions & 3 rubygems

Version	Path
stuartpreston-azure-sdk-for-ruby-0.7.2	lib/azure/core/auth/signer.rb
azure-plus-0.6.5	lib/azure/core/auth/signer.rb
azure-0.6.0	lib/azure/core/auth/signer.rb