Class: ItunesReceiptDecoder::Decode::TransactionReceipt

Inherits:
Base
  • Object
show all
Defined in:
lib/itunes_receipt_decoder/decode/transaction_receipt.rb

Overview

ItunesReceiptDecoder::Decode::TransactionReceipt

Constant Summary collapse

PUBLIC_KEY = 
OpenSSL::PKey::RSA.new <<-PUBLIC_KEY
-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApLyvMpRDPgu8N4fNY4ny
zNm+IE1atP6HZ9Ka3hpUnaLz34fkTMuTEXigMI80QcHTvmZtR2yYuOx61cndpeTq
xnD0NdCR97PYChGZqzpiOr179FZP258kk1FQfCDVZk1m8xikE5YiFv0xp/Q5Zpv7
YmlcS5+UqEvo7FtkWhh5ihZ1Y0KkSdmMM96te9Y5BPTinQppjOtLEihLNEgHmw5Z
+R9isAOfNrhOo9N1WdTzOgXKxTM7+MAGCQiT2+dNvxHzUiylFjUV80ECzQLR/PX4
xYS9Y2qG1raZ9oauX/0D1CiKWl2vvGV00fcaw5II9BytaegCTA6VFQe8vmpvwbOt
oQIDAQAB
-----END PUBLIC KEY-----
PUBLIC_KEY

Instance Attribute Summary

Attributes inherited from Base

#environment, #options, #raw_receipt, #receipt

Instance Method Summary collapse

Methods inherited from Base

#initialize, #production?, #sandbox?

Constructor Details

This class inherits a constructor from ItunesReceiptDecoder::Decode::Base

Instance Method Details

#signature_valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/itunes_receipt_decoder/decode/transaction_receipt.rb', line 30

def signature_valid?
  version, sig, cert_length, cert =
    payload.fetch('signature').unpack('m').first.unpack('c a128 N a*')
  return false unless
    version == 2 &&
    sig.size == 128 &&
    cert.size == cert_length &&
    (cert = OpenSSL::X509::Certificate.new(cert)) &&
    cert.verify(PUBLIC_KEY)
  data = [version, purchase_info].pack('ca*')
  cert.public_key.verify(OpenSSL::Digest::SHA1.new, sig, data)
end

#style ⇒ Object 



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# File 'lib/itunes_receipt_decoder/decode/transaction_receipt.rb', line 26

def style
  :transaction
end