class Tikkie::Api::V1::Authentication
Provides authentication for the ABN AMRO OAuth API. see developer.abnamro.com/get-started#authentication
Public Class Methods
new(config)
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# File lib/tikkie/api/v1/authentication.rb, line 14 def initialize(config) @config = config end
Public Instance Methods
authenticate()
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# File lib/tikkie/api/v1/authentication.rb, line 18 def authenticate uri = URI.parse(File.join(@config.api_url, "/oauth/token")) request = Net::HTTP::Post.new(uri) request["Api-Key"] = @config.api_key request.set_form_data( client_assertion: jwt_token, client_assertion_type: "urn:ietf:params:oauth:client-assertion-type:jwt-bearer", grant_type: "client_credentials", scope: "tikkie" ) response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: uri.scheme == "https") do |http| http.request(request) end if response.is_a?(Net::HTTPSuccess) json = JSON.parse(response.body, symbolize_names: true) Tikkie::Api::V1::AccessToken.new(json[:access_token], json[:expires_in]) else raise Tikkie::Api::V1::AuthenticationException, response end end
Private Instance Methods
jwt_token()
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# File lib/tikkie/api/v1/authentication.rb, line 46 def jwt_token now = Time.now.to_i payload = { nbf: now - 120, exp: now + 120, # Token is valid for 2 minutes iss: "Ruby Tikkie client", sub: @config.api_key, aud: @config.oauth_token_url } # Send header typ as String, not symbol (JWT version 1.x adds "typ" as String by default). headers = { "typ" => "JWT" } JWT.encode(payload, @config.private_data, @config.jwt_hashing_algorithm, headers) end