Class: SamlIdp::Encryptor

Inherits:
Object
  • Object
show all
Defined in:
lib/saml_idp/encryptor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts) ⇒ Encryptor

Returns a new instance of Encryptor.



9
10
11
12
13
 
# File 'lib/saml_idp/encryptor.rb', line 9

def initialize(opts)
  self.block_encryption = opts[:block_encryption]
  self.key_transport = opts[:key_transport]
  self.cert = opts[:cert]
end

Instance Attribute Details

#block_encryption ⇒ Object

Returns the value of attribute block_encryption.



5
6
7
 
# File 'lib/saml_idp/encryptor.rb', line 5

def block_encryption
  @block_encryption
end

#cert ⇒ Object

Returns the value of attribute cert.



7
8
9
 
# File 'lib/saml_idp/encryptor.rb', line 7

def cert
  @cert
end

#encryption_key ⇒ Object

Returns the value of attribute encryption_key.



4
5
6
 
# File 'lib/saml_idp/encryptor.rb', line 4

def encryption_key
  @encryption_key
end

#key_transport ⇒ Object

Returns the value of attribute key_transport.



6
7
8
 
# File 'lib/saml_idp/encryptor.rb', line 6

def key_transport
  @key_transport
end

Instance Method Details

#encrypt(raw_xml) ⇒ Object 



15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
 
# File 'lib/saml_idp/encryptor.rb', line 15

def encrypt(raw_xml) 
  encryption_template = Nokogiri::XML::Document.parse(build_encryption_template).root
  encrypted_data = Xmlenc::EncryptedData.new(encryption_template)
  @encryption_key = encrypted_data.encrypt(raw_xml)
  encrypted_key_node = encrypted_data.node.at_xpath(
    '//xenc:EncryptedData/ds:KeyInfo/xenc:EncryptedKey',
    Xmlenc::NAMESPACES
  )   
  encrypted_key = Xmlenc::EncryptedKey.new(encrypted_key_node)
  encrypted_key.encrypt(openssl_cert.public_key, encryption_key)
  xml = Builder::XmlMarkup.new
  xml.EncryptedAssertion xmlns: Saml::XML::Namespaces::ASSERTION do |enc_assert|
    enc_assert << encrypted_data.node.to_s
  end 
end