1 files changed, 41 insertions, 0 deletions
diff --git a/lib/system_check/app/authorized_keys_permission_check.rb b/lib/system_check/app/authorized_keys_permission_check.rb
new file mode 100644
index 00000000000..1246a6875a3
--- /dev/null
+++ b/lib/system_check/app/authorized_keys_permission_check.rb
@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+module SystemCheck
+  module App
+    class AuthorizedKeysPermissionCheck < SystemCheck::BaseCheck
+      set_name 'Is authorized keys file accessible?'
+      set_skip_reason 'skipped (authorized keys not enabled)'
+
+      def skip?
+        !authorized_keys_enabled?
+      end
+
+      def check?
+        authorized_keys.accessible?
+      end
+
+      def repair!
+        authorized_keys.create
+      end
+
+      def show_error
+        try_fixing_it([
+          "sudo chmod 700 #{File.dirname(authorized_keys.file)}",
+          "touch #{authorized_keys.file}",
+          "sudo chmod 600 #{authorized_keys.file}"
+        ])
+        fix_and_rerun
+      end
+
+      private
+
+      def authorized_keys_enabled?
+        Gitlab::CurrentSettings.current_application_settings.authorized_keys_enabled
+      end
+
+      def authorized_keys
+        @authorized_keys ||= Gitlab::AuthorizedKeys.new
+      end
+    end
+  end
+end