Module: ActiveMerchant::Billing::Integrations::Alipay::Sign

Included in:
Notification, Return
Defined in:
lib/active_merchant/billing/integrations/alipay/sign.rb

Instance Method Summary collapse

Instance Method Details

#verify_sign ⇒ Object 



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# File 'lib/active_merchant/billing/integrations/alipay/sign.rb', line 9

def verify_sign
  sign_type = @params.delete("sign_type")
  sign = @params.delete("sign")

  md5_string = @params.sort.collect do |s|
    unless s[0] == "notify_id"
      s[0]+"="+CGI.unescape(s[1])
    else
      s[0]+"="+s[1]
    end
  end
  Digest::MD5.hexdigest(md5_string.join("&")+KEY) == sign.downcase
end