1 files changed, 45 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/encrypted_configuration.rb b/activesupport/lib/active_support/encrypted_configuration.rb
new file mode 100644
index 0000000000..cc1d026737
--- /dev/null
+++ b/activesupport/lib/active_support/encrypted_configuration.rb
@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+require "yaml"
+require "active_support/encrypted_file"
+require "active_support/ordered_options"
+require "active_support/core_ext/object/inclusion"
+require "active_support/core_ext/module/delegation"
+
+module ActiveSupport
+  class EncryptedConfiguration < EncryptedFile
+    delegate :[], :fetch, to: :config
+    delegate_missing_to :options
+
+    def initialize(config_path:, key_path:, env_key:, raise_if_missing_key:)
+      super content_path: config_path, key_path: key_path,
+        env_key: env_key, raise_if_missing_key: raise_if_missing_key
+    end
+
+    # Allow a config to be started without a file present
+    def read
+      super
+    rescue ActiveSupport::EncryptedFile::MissingContentError
+      ""
+    end
+
+    def write(contents)
+      deserialize(contents)
+
+      super
+    end
+
+    def config
+      @config ||= deserialize(read).deep_symbolize_keys
+    end
+
+    private
+      def options
+        @options ||= ActiveSupport::InheritableOptions.new(config)
+      end
+
+      def deserialize(config)
+        YAML.load(config).presence || {}
+      end
+  end
+end