Add a filter around the return value from our current_user_can_upload…

…_svg method, allowing others to modify which users can or can not upload

safe-svg.php

@@ -153,13 +153,24 @@ public function __construct() {
 		 */
 		public function current_user_can_upload_svg() {
 			$upload_roles = get_option( 'safe_svg_upload_roles', [] );
+			$can_upload   = false;
 
-			// Fallback to upload_files check for backwards compatibility.
 			if ( empty( $upload_roles ) ) {
-				return current_user_can( 'upload_files' );
+				// Fallback to upload_files check for backwards compatibility.
+				$can_upload = current_user_can( 'upload_files' );
+			} else {
+				// Use our custom capability if some upload roles are set.
+				$can_upload = current_user_can( 'safe_svg_upload_svg' );
 			}
 
-			return current_user_can( 'safe_svg_upload_svg' );
+			/**
+			 * Determine if the current user can upload an svg.
+			 *
+			 * @param bool $can_upload Can the current user upload an svg?
+			 *
+			 * @return bool
+			 */
+			return (bool) apply_filters( 'safe_svg_current_user_can_upload', $can_upload );
 		}
 
 		/**