Class: Vufer::Signature

Inherits:
Object
  • Object
show all
Defined in:
lib/vufer/signature.rb

Constant Summary collapse

HEX_DIGEST = 
'd41d8cd98f00b204e9800998ecf8427e'.freeze

Class Method Summary collapse

Class Method Details

.generate(path, body, verb, time) ⇒ String

Generates the signature based on path, body, http verb and time.

Raises:



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# File 'lib/vufer/signature.rb', line 23

def generate(path, body, verb, time)
  raise KeyEnvironmentError if Vufer.access_key.empty? || Vufer.secret_key.empty?

  hex_digest = HEX_DIGEST
  content_type = ''

  if verb == 'POST' || verb == 'PUT'
    content_type = 'application/json'
    hex_digest = Digest::MD5.hexdigest(body.to_json)
  end

  to_digest = "#{verb}\n#{hex_digest}\n#{content_type}\n#{time}\n#{path}"

  Base64.encode64(
    OpenSSL::HMAC.digest(
      OpenSSL::Digest::SHA1.new,
      Vufer.secret_key,
      to_digest
    )
  )
end