1 files changed, 38 insertions, 0 deletions
diff --git a/lib/gitlab/external_authorization/response.rb b/lib/gitlab/external_authorization/response.rb
new file mode 100644
index 00000000000..4f3fe5882db
--- /dev/null
+++ b/lib/gitlab/external_authorization/response.rb
@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module ExternalAuthorization
+    class Response
+      include ::Gitlab::Utils::StrongMemoize
+
+      def initialize(excon_response)
+        @excon_response = excon_response
+      end
+
+      def valid?
+        @excon_response && [200, 401, 403].include?(@excon_response.status)
+      end
+
+      def successful?
+        valid? && @excon_response.status == 200
+      end
+
+      def reason
+        parsed_response['reason'] if parsed_response
+      end
+
+      private
+
+      def parsed_response
+        strong_memoize(:parsed_response) { parse_response! }
+      end
+
+      def parse_response!
+        JSON.parse(@excon_response.body)
+      rescue JSON::JSONError
+        # The JSON response is optional, so don't fail when it's missing
+        nil
+      end
+    end
+  end
+end