gistfile1.txt

diff --git a/src/EventSubscriber/StageFileProxySubscriber.php b/src/EventSubscriber/StageFileProxySubscriber.php
index b3b51bd..0199350 100644
--- a/src/EventSubscriber/StageFileProxySubscriber.php
+++ b/src/EventSubscriber/StageFileProxySubscriber.php
@@ -55,6 +55,10 @@ class StageFileProxySubscriber implements EventSubscriberInterface {
   public function checkFileOrigin(RequestEvent $event) {
     $config = $this->configFactory->get('stage_file_proxy.settings');
 
+    if ($config->get('disabled')) {
+      return;
+    }
+
     // Get the origin server.
     $server = $config->get('origin');
 
diff --git a/src/Form/SettingsForm.php b/src/Form/SettingsForm.php
index da9c91e..f9fc4d3 100644
--- a/src/Form/SettingsForm.php
+++ b/src/Form/SettingsForm.php
@@ -53,6 +53,14 @@ class SettingsForm extends ConfigFormBase {
   public function buildForm(array $form, FormStateInterface $form_state, $field_type = NULL) {
     $config = $this->config('stage_file_proxy.settings');
 
+    $form['disabled'] = [
+      '#type' => 'checkbox',
+      '#title' => $this->t('Disable proxy'),
+      '#default_value' => $config->get('disabled'),
+      '#description' => $this->t("Disable proxy. Use \$config['stage_file_proxy.settings']['disabled'] = 1; in settings.php to override module config and force disabling."),
+      '#required' => FALSE,
+    ];
+
     $form['origin'] = [
       '#type' => 'textfield',
       '#title' => $this->t('Origin website'),