class KambaSignatureGeneration::API
Public Class Methods
generate_md5(checkout)
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# File lib/kamba_signature_generation/api.rb, line 16 def self.generate_md5(checkout) Digest::MD5.hexdigest(checkout) end
generate_signature(checkout)
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# File lib/kamba_signature_generation/api.rb, line 5 def self.generate_signature(checkout) time = Time.now.utc.httpdate secret_key = KambaSignatureGeneration.secret_key json_string = checkout.to_json canonical_string = "POST,application/json,#{generate_md5(json_string)},/v1/checkouts,#{time}" digest = OpenSSL::Digest.new('sha1') hmac_signature = OpenSSL::HMAC.hexdigest(digest, secret_key, canonical_string) time + '.' + Base64.strict_encode64(hmac_signature) end