Resolve #3376892 "Move streamwrappers from"

Closes #3376892

core/lib/Drupal/Core/File/FileUrlGenerator.php

@@ -5,6 +5,7 @@
 use Drupal\Component\Utility\UrlHelper;
 use Drupal\Core\Extension\ModuleHandlerInterface;
 use Drupal\Core\File\Exception\InvalidStreamWrapperException;
+use Drupal\Core\StreamWrapper\StreamWrapperGetUrlInterface;
 use Drupal\Core\StreamWrapper\StreamWrapperManager;
 use Drupal\Core\StreamWrapper\StreamWrapperManagerInterface;
 use Drupal\Core\Url;
@@ -98,7 +99,14 @@ protected function doGenerateString(string $uri, bool $relative): string {
       // implement getExternalUrl() for the HTTP and data schemes.
       return $relative ? $this->transformRelative($uri) : $uri;
     }
+    elseif ($scheme === 'vfs') {
+      return $uri;
+    }
     elseif ($wrapper = $this->streamWrapperManager->getViaUri($uri)) {
+      if ($wrapper instanceof StreamWrapperGetUrlInterface) {
+        return $wrapper->getUrl()->setAbsolute(!$relative)->toString();
+      }
+      @trigger_error('Implementing \Drupal\Core\StreamWrapper\StreamWrapperInterface without implementing \Drupal\Core\StreamWrapper\StreamWrapperGetUrlInterface is deprecated in drupal:10.2.0 and is removed from drupal:11.0.0. Implement \Drupal\Core\StreamWrapper\StreamWrapperGetUrlInterface for ' . get_class($wrapper) . '. See https://www.drupal.org/project/drupal/issues/3376892', E_USER_DEPRECATED);
       // Attempt to return an external URL using the appropriate wrapper.
       $externalUrl = $wrapper->getExternalUrl();
       return $relative ? $this->transformRelative($externalUrl) : $externalUrl;
@@ -186,6 +194,11 @@ public function generate(string $uri): Url {
       return Url::fromUri(urldecode($options['path']), $options);
     }
     elseif ($wrapper = $this->streamWrapperManager->getViaUri($uri)) {
+      if ($wrapper instanceof StreamWrapperGetUrlInterface) {
+        // Relative URL is being expected for local URLs (matching domain).
+        return $wrapper->getUrl()->setAbsolute(FALSE);
+      }
+      @trigger_error('Implementing \Drupal\Core\StreamWrapper\StreamWrapperInterface without implementing \Drupal\Core\StreamWrapper\StreamWrapperGetUrlInterface is deprecated in drupal:10.2.0 and is removed from drupal:11.0.0. Implement \Drupal\Core\StreamWrapper\StreamWrapperGetUrlInterface for ' . get_class($wrapper) . '.  See https://www.drupal.org/project/drupal/issues/3376892', E_USER_DEPRECATED);
       $external_url = $wrapper->getExternalUrl();
       $options = UrlHelper::parse($external_url);