Module: JdPay::Sign

Defined in:
lib/jd_pay/sign.rb

Constant Summary collapse

JDPAY_RSA_PUBLIC_KEY = 
<<EOF
-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCKE5N2xm3NIrXON8Zj19GNtLZ8
xwEQ6uDIyrS3S03UhgBJMkGl4msfq4Xuxv6XUAN7oU1XhV3/xtabr9rXto4Ke3d6
WwNbxwXnK5LSgsQc1BhT5NcXHXpGBdt7P8NMez5qGieOKqHGvT0qvjyYnYA29a8Z
4wzNR7vAVHp36uD5RwIDAQAB
-----END PUBLIC KEY-----
EOF

Class Method Summary collapse

Class Method Details

.md5_sign(order_id, options = {}) ⇒ Object

params:

:orderId



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# File 'lib/jd_pay/sign.rb', line 19

def md5_sign(order_id, options = {})
  Digest::MD5.hexdigest(
    "merchant=#{options[:mch_id] || JdPay.mch_id}" +
    "&orderId=#{order_id}&key=#{options[:md5_key] || JdPay.md5_key}"
  )
end

.rsa_decrypt(sign_str, options = {}) ⇒ Object 



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# File 'lib/jd_pay/sign.rb', line 31

def rsa_decrypt(sign_str, options = {})
  public_key = OpenSSL::PKey::RSA.new(options[:pub_key] || JdPay.public_key)
  public_key.public_decrypt(Base64.decode64(sign_str))
end

.rsa_encrypt(str, options = {}) ⇒ Object 



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# File 'lib/jd_pay/sign.rb', line 26

def rsa_encrypt(str, options = {})
  private_key = OpenSSL::PKey::RSA.new(options[:pri_key] || JdPay.pri_key)
  Base64.strict_encode64(private_key.private_encrypt Digest::SHA256.hexdigest(str))
end

.rsa_verify?(params, options = {}) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/jd_pay/sign.rb', line 36

def rsa_verify?(params, options = {})
  params = params['jdpay'].dup
  sign_str = params.delete('sign')
  xml_without_sign = JdPay::Util.to_xml(params, root: 'jdpay')
  ori_datas = [xml_without_sign, xml_without_sign.gsub("?>", " ?>")].map do |xml|
    Digest::SHA256.hexdigest(xml)
  end
  ori_datas.include? rsa_decrypt(sign_str, options)
end