Class: SparkApi::Authentication::OAuth2Impl::FaradayMiddleware

Inherits:
Faraday::Response::Middleware
  • Object
show all
Defined in:
lib/spark_api/authentication/oauth2_impl/faraday_middleware.rb

Overview

OAuth2 Faraday response middleware

HTTP Response after filter to package oauth2 responses and bubble up basic api errors.

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ FaradayMiddleware

Returns a new instance of FaradayMiddleware.



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# File 'lib/spark_api/authentication/oauth2_impl/faraday_middleware.rb', line 11

def initialize(app)
  super(app)
end

Instance Method Details

#on_complete(env) ⇒ Object 



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# File 'lib/spark_api/authentication/oauth2_impl/faraday_middleware.rb', line 15

def on_complete(env)
  body = MultiJson.decode(env[:body])
  SparkApi.logger.debug { "[oauth2] Response Body: #{body.inspect}" }

  unless body.is_a?(Hash)
    raise InvalidResponse, "The server response could not be understood"
  end

  case env[:status]
  when 200..299
    SparkApi.logger.debug{ "[oauth2] Success!" }
    session = OAuthSession.new(body)
  else
    SparkApi.logger.warn { "[oauth2] failure #{body.inspect}" }

    # Handle the WWW-Authenticate Response Header Field if present. This can be returned by 
    # OAuth2 implementations and wouldn't hurt to log.
    auth_header_error = env[:request_headers]["WWW-Authenticate"]
    SparkApi.logger.warn { "Authentication error #{auth_header_error}" } unless auth_header_error.nil?
    raise ClientError, {:message => body["error"], :code =>0, :status => env[:status], :request_path => env[:url]}
  end
  SparkApi.logger.debug { "[oauth2] Session=#{session.inspect}" }
  env[:body] = session
end