Issue #3461817 by catch: Support stream wrappers for tincan activity

opigno_module/ActivityTypes/opigno_tincan_activity/opigno_tincan_activity.module

@@ -11,6 +11,16 @@ use Drupal\Core\Render\Markup;
 use Drupal\Core\Url;
 use Drupal\Core\Routing\RouteMatchInterface;
 
+/**
+ * Implements hook_field_widget_info_alter().
+ */
+function opigno_tincan_activity_field_widget_info_alter(&$info) {
+  $info['file_generic']['field_types'][] = 'opigno_tincan_package';
+  if (\Drupal::moduleHandler()->moduleExists('s3fs_cors')) {
+    $info['s3fs_cors_file_widget']['field_types'][] = 'opigno_tincan_package';
+  }
+}
+
 /**
  * Implements hook_file_delete().
  */

opigno_module/ActivityTypes/opigno_tincan_activity/src/TincanService.php

@@ -183,13 +183,21 @@ class TincanService implements TincanServiceInterface {
    *   If the file is unsupported.
    */
   public static function unzipPackage($file) {
-    $path = \Drupal::service('file_system')->realpath($file->getFileUri());
+    $path = $file->getFileUri();
+    // Copy the file to a temporary directory so that it can be extracted if
+    // the stream wrapper does not support ZipArchive.
+    $temp_file = 'temporary://tincan-' . $file->id . '.zip';
+    $file_system = \Drupal::service('file_system');
+    $path = $file_system->copy($path, $temp_file);
+
     $zip = new \ZipArchive();
-    $result = $zip->open($path);
+    $result = $zip->open($file_system->realpath($path));
     if ($result === TRUE) {
       $extract_dir = self::getExtractPath($file);
+      $file_system->prepareDirectory($extract_dir);
       $zip->extractTo($extract_dir);
       $zip->close();
+      $file_system->delete($temp_file);
     }
     else {
       $error = 'none';