first

wp-content/plugins/shortpixel-image-optimiser/class/external/offload/virtual-filesystem.php

@@ -0,0 +1,57 @@
+<?php
+namespace ShortPixel\External\Offload;
+
+use ShortPixel\Model\File\FileModel as FileModel;
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly.
+}
+
+class VirtualFileSystem
+{
+
+		protected $offloadName;
+
+		public function __construct($name)
+		{
+				$this->offloadName = $name;
+				$this->listen();
+		}
+
+		public function listen()
+		{
+				//  $fs = \wpSPIO()->fileSystem()->startTrustedMode(); // @todo check if this works trusted mode forever.
+					add_filter('shortpixel/image/urltopath', array($this, 'checkIfOffloaded'), 10,2);
+					add_filter('shortpixel/file/virtual/translate', array($this, 'getLocalPathByURL'));
+					add_filter('shortpixel/file/virtual/heavy_features', array($this, 'extraFeatures'), 10);
+		}
+
+		public function checkIfOffloaded($bool, $url)
+		{
+				// Slow as it is, check nothing.
+			 if ($offloadName = 's3-uploads-human')
+			 {
+				 return FileModel::$VIRTUAL_STATELESS;
+			 }
+
+			 if (file_exists($url))
+			 {
+				 return FileModel::$VIRTUAL_STATELESS;
+			 }
+			 return false;
+		}
+
+		public function getLocalPathByURL($path)
+		{
+			 return $path;
+		}
+
+		// Features like addUNlisted and retina's ( check outside the WP metadata realm ) add a lot of extra time to stateless / remote filesystems.  Disable by default to prevent pages from not loading.
+		public function extraFeatures()
+		{
+			 return false;
+		}
+
+
+
+} // class