1 files changed, 79 insertions, 0 deletions
diff --git a/railties/lib/rails/commands/credentials/credentials_command.rb b/railties/lib/rails/commands/credentials/credentials_command.rb
new file mode 100644
index 0000000000..385d3976da
--- /dev/null
+++ b/railties/lib/rails/commands/credentials/credentials_command.rb
@@ -0,0 +1,79 @@
+# frozen_string_literal: true
+
+require "active_support"
+require "rails/command/helpers/editor"
+
+module Rails
+  module Command
+    class CredentialsCommand < Rails::Command::Base # :nodoc:
+      include Helpers::Editor
+
+      no_commands do
+        def help
+          say "Usage:\n  #{self.class.banner}"
+          say ""
+          say self.class.desc
+        end
+      end
+
+      def edit
+        require_application_and_environment!
+
+        ensure_editor_available(command: "bin/rails credentials:edit") || (return)
+        ensure_master_key_has_been_added
+        ensure_credentials_have_been_added
+
+        catch_editing_exceptions do
+          change_credentials_in_system_editor
+        end
+
+        say "New credentials encrypted and saved."
+      end
+
+      def show
+        require_application_and_environment!
+
+        say Rails.application.credentials.read.presence || missing_credentials_message
+      end
+
+      private
+        def ensure_master_key_has_been_added
+          master_key_generator.add_master_key_file
+          master_key_generator.ignore_master_key_file
+        end
+
+        def ensure_credentials_have_been_added
+          credentials_generator.add_credentials_file_silently
+        end
+
+        def change_credentials_in_system_editor
+          Rails.application.credentials.change do |tmp_path|
+            system("#{ENV["EDITOR"]} #{tmp_path}")
+          end
+        end
+
+
+        def master_key_generator
+          require "rails/generators"
+          require "rails/generators/rails/master_key/master_key_generator"
+
+          Rails::Generators::MasterKeyGenerator.new
+        end
+
+        def credentials_generator
+          require "rails/generators"
+          require "rails/generators/rails/credentials/credentials_generator"
+
+          Rails::Generators::CredentialsGenerator.new
+        end
+
+        def missing_credentials_message
+          if Rails.application.credentials.key.nil?
+            "Missing master key to decrypt credentials. See bin/rails credentials:help"
+          else
+            "No credentials have been added yet. Use bin/rails credentials:edit to change that."
+          end
+        end
+    end
+  end
+end