Contents

# frozen_string_literal: true

module JWT
  module Claims
    # The Issuer class is responsible for validating the issuer claim ('iss') in a JWT token.
    class Issuer
      # Initializes a new Issuer instance.
      #
      # @param issuers [String, Symbol, Array<String, Symbol>] the expected issuer(s) for the JWT token.
      def initialize(issuers:)
        @issuers = Array(issuers).map { |item| item.is_a?(Symbol) ? item.to_s : item }
      end

      # Verifies the issuer claim ('iss') in the JWT token.
      #
      # @param context [Object] the context containing the JWT payload.
      # @param _args [Hash] additional arguments (not used).
      # @raise [JWT::InvalidIssuerError] if the issuer claim is invalid.
      # @return [nil]
      def verify!(context:, **_args)
        case (iss = context.payload['iss'])
        when *issuers
          nil
        else
          raise JWT::InvalidIssuerError, "Invalid issuer. Expected #{issuers}, received #{iss || '<none>'}"
        end
      end

      private

      attr_reader :issuers
    end
  end
end

Version data entries

3 entries across 3 versions & 2 rubygems

Version	Path
minato_ruby_api_client-0.2.2	vendor/bundle/ruby/3.2.0/gems/jwt-2.10.1/lib/jwt/claims/issuer.rb
jwt-2.10.1	lib/jwt/claims/issuer.rb
jwt-2.10.0	lib/jwt/claims/issuer.rb