Class: OneLogin::RubySaml::SloLogoutresponse

Inherits:
SamlMessage
  • Object
show all
Defined in:
lib/onelogin/ruby-saml/slo_logoutresponse.rb

Overview

SAML2 Logout Response (SLO SP initiated, Parser)

Constant Summary

Constants inherited from SamlMessage

OneLogin::RubySaml::SamlMessage::ASSERTION, OneLogin::RubySaml::SamlMessage::BASE64_FORMAT, OneLogin::RubySaml::SamlMessage::PROTOCOL

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from SamlMessage

#id, schema, #valid_saml?, #version

Constructor Details

#initializeSloLogoutresponse

Initializes the Logout Response. A SloLogoutresponse Object that is an extension of the SamlMessage class. Asigns an ID, a random uuid.


20
21
22
# File 'lib/onelogin/ruby-saml/slo_logoutresponse.rb', line 20

def initialize
  @uuid = OneLogin::RubySaml::Utils.uuid
end

Instance Attribute Details

#uuidObject (readonly)

Logout Response ID


15
16
17
# File 'lib/onelogin/ruby-saml/slo_logoutresponse.rb', line 15

def uuid
  @uuid
end

Instance Method Details

#create(settings, request_id = nil, logout_message = nil, params = {}) ⇒ String

Creates the Logout Response string.

Parameters:

  • settings (OneLogin::RubySaml::Settings|nil)

    Toolkit settings

  • request_id (String) (defaults to: nil)

    The ID of the LogoutRequest sent by this SP to the IdP. That ID will be placed as the InResponseTo in the logout response

  • logout_message (String) (defaults to: nil)

    The Message to be placed as StatusMessage in the logout response

  • params (Hash) (defaults to: {})

    Some extra parameters to be added in the GET for example the RelayState

Returns:

  • (String)

    Logout Request string that includes the SAMLRequest


31
32
33
34
35
36
37
38
39
40
41
# File 'lib/onelogin/ruby-saml/slo_logoutresponse.rb', line 31

def create(settings, request_id = nil, logout_message = nil, params = {})
  params = create_params(settings, request_id, logout_message, params)
  params_prefix = (settings.idp_slo_target_url =~ /\?/) ? '&' : '?'
  saml_response = CGI.escape(params.delete("SAMLResponse"))
  response_params = "#{params_prefix}SAMLResponse=#{saml_response}"
  params.each_pair do |key, value|
    response_params << "&#{key.to_s}=#{CGI.escape(value.to_s)}"
  end

  @logout_url = settings.idp_slo_target_url + response_params
end

#create_logout_response_xml_doc(settings, request_id = nil, logout_message = nil) ⇒ String

Creates the SAMLResponse String.

Parameters:

  • settings (OneLogin::RubySaml::Settings|nil)

    Toolkit settings

  • request_id (String) (defaults to: nil)

    The ID of the LogoutRequest sent by this SP to the IdP. That ID will be placed as the InResponseTo in the logout response

  • logout_message (String) (defaults to: nil)

    The Message to be placed as StatusMessage in the logout response

Returns:

  • (String)

    The SAMLResponse String.


99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
# File 'lib/onelogin/ruby-saml/slo_logoutresponse.rb', line 99

def create_logout_response_xml_doc(settings, request_id = nil, logout_message = nil)
  time = Time.now.utc.strftime('%Y-%m-%dT%H:%M:%SZ')

  response_doc = XMLSecurity::Document.new
  response_doc.uuid = uuid

  root = response_doc.add_element 'samlp:LogoutResponse', { 'xmlns:samlp' => 'urn:oasis:names:tc:SAML:2.0:protocol', "xmlns:saml" => "urn:oasis:names:tc:SAML:2.0:assertion" }
  root.attributes['ID'] = uuid
  root.attributes['IssueInstant'] = time
  root.attributes['Version'] = '2.0'
  root.attributes['InResponseTo'] = request_id unless request_id.nil?
  root.attributes['Destination'] = settings.idp_slo_target_url unless settings.idp_slo_target_url.nil?

  if settings.issuer != nil
    issuer = root.add_element "saml:Issuer"
    issuer.text = settings.issuer
  end

  # add success message
  status = root.add_element 'samlp:Status'

  # success status code
  status_code = status.add_element 'samlp:StatusCode'
  status_code.attributes['Value'] = 'urn:oasis:names:tc:SAML:2.0:status:Success'

  # success status message
  logout_message ||= 'Successfully Signed Out'
  status_message = status.add_element 'samlp:StatusMessage'
  status_message.text = logout_message

  # embed signature
  if settings.security[:logout_responses_signed] && settings.private_key && settings.certificate && settings.security[:embed_sign]
    private_key = settings.get_sp_key
    cert = settings.get_sp_cert
    response_doc.sign_document(private_key, cert, settings.security[:signature_method], settings.security[:digest_method])
  end

  response_doc
end

#create_params(settings, request_id = nil, logout_message = nil, params = {}) ⇒ Hash

Creates the Get parameters for the logout response.

Parameters:

  • settings (OneLogin::RubySaml::Settings|nil)

    Toolkit settings

  • request_id (String) (defaults to: nil)

    The ID of the LogoutRequest sent by this SP to the IdP. That ID will be placed as the InResponseTo in the logout response

  • logout_message (String) (defaults to: nil)

    The Message to be placed as StatusMessage in the logout response

  • params (Hash) (defaults to: {})

    Some extra parameters to be added in the GET for example the RelayState

Returns:

  • (Hash)

    Parameters


50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
# File 'lib/onelogin/ruby-saml/slo_logoutresponse.rb', line 50

def create_params(settings, request_id = nil, logout_message = nil, params = {})
  # The method expects :RelayState but sometimes we get 'RelayState' instead.
  # Based on the HashWithIndifferentAccess value in Rails we could experience
  # conflicts so this line will solve them.
  relay_state = params[:RelayState] || params['RelayState']

  if relay_state.nil?
    params.delete(:RelayState)
    params.delete('RelayState')
  end

  response_doc = create_logout_response_xml_doc(settings, request_id, logout_message)
  response_doc.context[:attribute_quote] = :quote if settings.double_quote_xml_attribute_values

  response = ""
  response_doc.write(response)

  Logging.debug "Created SLO Logout Response: #{response}"

  response = deflate(response) if settings.compress_response
  base64_response = encode(response)
  response_params = {"SAMLResponse" => base64_response}

  if settings.security[:logout_responses_signed] && !settings.security[:embed_sign] && settings.private_key
    params['SigAlg']    = settings.security[:signature_method]
    url_string = OneLogin::RubySaml::Utils.build_query(
      :type => 'SAMLResponse',
      :data => base64_response,
      :relay_state => relay_state,
      :sig_alg => params['SigAlg']
    )
    sign_algorithm = XMLSecurity::BaseDocument.new.algorithm(settings.security[:signature_method])
    signature = settings.get_sp_key.sign(sign_algorithm.new, url_string)
    params['Signature'] = encode(signature)
  end

  params.each_pair do |key, value|
    response_params[key] = value.to_s
  end

  response_params
end