Class: V0::VirtualAgentTokenNluController

Inherits:
ApplicationController show all
Defined in:
app/controllers/v0/virtual_agent_token_nlu_controller.rb

Defined Under Namespace

Classes: ServiceException

Constant Summary

Constants inherited from ApplicationController

ApplicationController::VERSION_STATUS

Constants included from SignIn::Authentication

SignIn::Authentication::BEARER_PATTERN

Constants included from ExceptionHandling

ExceptionHandling::SKIP_SENTRY_EXCEPTION_TYPES

Instance Attribute Summary

Attributes inherited from ApplicationController

#current_user

Instance Method Summary collapse

Methods inherited from ApplicationController

#clear_saved_form, #cors_preflight, #pagination_params, #render_job_id, #routing_error, #set_csrf_header

Methods included from Traceable

#set_trace_tags

Methods included from SentryControllerLogging

#set_tags_and_extra_context, #tags_context, #user_context

Methods included from SentryLogging

#log_exception_to_sentry, #log_message_to_sentry, #non_nil_hash?, #normalize_level, #rails_logger, #set_sentry_metadata

Methods included from Instrumentation

#append_info_to_payload

Methods included from SignIn::Authentication

#access_token, #access_token_authenticate, #authenticate, #authenticate_access_token, #cookie_access_token, #handle_authenticate_error, #load_user, #load_user_object, #scrub_bearer_token, #validate_request_ip

Methods included from Headers

#set_app_info_headers

Methods included from ExceptionHandling

#render_errors, #report_mapped_exception, #report_original_exception, #skip_sentry_exception?, #skip_sentry_exception_types

Methods included from AuthenticationAndSSOConcerns

#authenticate, #clear_session, #extend_session!, #load_user, #log_sso_info, #render_unauthorized, #reset_session, #set_api_cookie!, #set_current_user, #set_session_expiration_header, #set_session_object, #sign_in_service_exp_time, #sign_in_service_session, #sso_cookie_content, #sso_logging_info, #validate_inbound_login_params, #validate_session

Methods included from SignIn::AudienceValidator

#authenticate, #validate_audience!

Instance Method Details

#bearer_token ⇒ Object (private) 



51
52
53
54
 
# File 'app/controllers/v0/virtual_agent_token_nlu_controller.rb', line 51

def bearer_token
  secret = Settings.virtual_agent.webchat_secret_nlu
  @bearer_token ||= "Bearer #{secret}"
end

#create ⇒ Object 



13
14
15
16
17
18
 
# File 'app/controllers/v0/virtual_agent_token_nlu_controller.rb', line 13

def create
  directline_response = fetch_connector_values
  render json: { token: directline_response[:token],
                 conversationId: directline_response[:conversationId],
                 apiSession: ERB::Util.url_encode(cookies[:api_session]) }
end

#fetch_connector_values ⇒ Object (private) 



22
23
24
25
 
# File 'app/controllers/v0/virtual_agent_token_nlu_controller.rb', line 22

def fetch_connector_values
  connector_response = request_connector_values
  parse_connector_values(connector_response)
end

#parse_connector_values(response) ⇒ Object (private)

Raises:



35
36
37
38
39
40
41
42
 
# File 'app/controllers/v0/virtual_agent_token_nlu_controller.rb', line 35

def parse_connector_values(response)
  raise ServiceException.new(response.body), response.body unless response.code == '200'

  {
    token: JSON.parse(response.body)['token'],
    conversationId: JSON.parse(response.body)['conversationId']
  }
end

#request_connector_values ⇒ Object (private) 



27
28
29
30
31
32
33
 
# File 'app/controllers/v0/virtual_agent_token_nlu_controller.rb', line 27

def request_connector_values
  req = Net::HTTP::Post.new(token_endpoint_uri)
  req['Authorization'] = bearer_token
  Net::HTTP.start(token_endpoint_uri.hostname, token_endpoint_uri.port, use_ssl: true) do |http|
    http.request(req)
  end
end

#service_exception_handler(exception) ⇒ Object (private) 



56
57
58
59
60
 
# File 'app/controllers/v0/virtual_agent_token_nlu_controller.rb', line 56

def service_exception_handler(exception)
  context = 'An error occurred with the Microsoft service that issues chatbot tokens'
  log_exception_to_sentry(exception, 'context' => context)
  render nothing: true, status: :service_unavailable
end

#token_endpoint_uri ⇒ Object (private) 



44
45
46
47
48
49
 
# File 'app/controllers/v0/virtual_agent_token_nlu_controller.rb', line 44

def token_endpoint_uri
  return @token_uri if @token_uri.present?

  token_endpoint = 'https://directline.botframework.com/v3/directline/tokens/generate'
  @token_uri = URI(token_endpoint)
end