Class: Flexpay::Signature

Inherits:
Object
  • Object
show all
Defined in:
lib/flexpay/util.rb

Class Method Summary collapse

Class Method Details

.generate_signature(http_method, host, request_uri, params, secret_key) ⇒ Object



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# File 'lib/flexpay/util.rb', line 7

def self.generate_signature(http_method, host, request_uri, params, secret_key)
  method = http_method.to_s.upcase

  #Place in canonical order and URI encode
  encoded_data = params.sort.collect {|i| i.join("=") }.join("&")

  data = "#{http_method}\n#{host}\n#{request_uri}\n#{modified_URL_encoding(encoded_data)}"
  digest = OpenSSL::HMAC.digest(OpenSSL::Digest::SHA256.new, secret_key, data)
  Base64.encode64(digest).strip
end