Ticket #44563: wordpress-4.9.7-delete-media-streamwrapper.patch

wp-includes/functions.php

@@ -1656 +1656 @@
  * @return bool True if path is absolute, false is not absolute.
  */
 function path_is_absolute( $path ) {
+        /*
+         * Check to see if the path is a stream and check to see if its an actual
+         * path or file as realpath() does not support streamwrappers.
+         */
+        if (wp_is_stream($path) && (is_dir($path) || is_file($path))) {
+                return true;
+        }
+
         /*
          * This is definitive if true but fails if $path does not exist or contains
          * a symbolic link.
@@ -5526 +5534 @@
  * @return bool True on success, false on failure.
  */
 function wp_delete_file_from_directory( $file, $directory ) {
-        $real_file = realpath( wp_normalize_path( $file ) );
-        $real_directory = realpath( wp_normalize_path( $directory ) );
+        if ( wp_is_stream($file) ) {
+                $real_file = wp_normalize_path($file);
+                $real_directory = wp_normalize_path($directory);
+        } else {
+                $real_file = realpath( wp_normalize_path($file) );
+                $real_directory = realpath ( wp_normalize_path($directory) );
+        }
 
-        if ( false === $real_file || false === $real_directory || strpos( wp_normalize_path( $real_file ), trailingslashit( wp_normalize_path( $real_directory ) ) ) !== 0 ) {
+        if ( false === $real_file || false === $real_directory || strpos( $real_file, trailingslashit( $real_directory ) ) !== 0 ) {
                 return false;
         }