Fixes #17235: yii\helpers\FileHelper::normalizePath() now accepts stream wrappers

framework/CHANGELOG.md

@@ -5,6 +5,7 @@ Yii Framework 2 Change Log
 ------------------------
 
 - Bug #17220: Fixed error when using non-InputWidget in active form field (s1lver)
+- Bug #17235: `yii\helpers\FileHelper::normalizePath()` now accepts stream wrappers (razvanphp)
 
 
 2.0.17 March 22, 2019

framework/helpers/BaseFileHelper.php

@@ -50,6 +50,9 @@ class BaseFileHelper
      * - Turn multiple consecutive slashes into a single one (e.g. "/a///b/c" becomes "/a/b/c")
      * - Remove ".." and "." based on their meanings (e.g. "/a/./b/../c" becomes "/a/c")
      *
+     * Note: For registered stream wrappers, the consecutive slashes rule
+     * and ".."/"." translations are skipped.
+     *
      * @param string $path the file/directory path to be normalized
      * @param string $ds the directory separator to be used in the normalized result. Defaults to `DIRECTORY_SEPARATOR`.
      * @return string the normalized file/directory path
@@ -60,6 +63,12 @@ class BaseFileHelper
         if (strpos($ds . $path, "{$ds}.") === false && strpos($path, "{$ds}{$ds}") === false) {
             return $path;
         }
+        // fix #17235 stream wrappers
+        foreach (stream_get_wrappers() as $protocol) {
+            if (strpos($path, "{$protocol}://") === 0) {
+                return $path;
+            }
+        }
         // the path may contain ".", ".." or double slashes, need to clean them up
         if (strpos($path, "{$ds}{$ds}") === 0 && $ds == '\\') {
             $parts = [$ds];