refs #8376; added comment and applied patch on other files

2 files changed, 15 insertions, 1 deletions

diff --git a/lib/private/files/storage/local.php b/lib/private/files/storage/local.php
index ed2ad870858..de940fc7cdb 100644
--- a/lib/private/files/storage/local.php
+++ b/lib/private/files/storage/local.php
@@ -44,6 +44,11 @@ if (\OC_Util::runningOnWindows()) {
 					new \RecursiveDirectoryIterator($this->datadir . $path),
 					\RecursiveIteratorIterator::CHILD_FIRST
 				);
+				/**
+				 * RecursiveDirectoryIterator on an NFS path isn't iterable with foreach
+				 * This bug is fixed in PHP 5.5.9 or before
+				 * See #8376
+				 */
 				$it->rewind();
 				while ($it->valid()) {
 					/**
diff --git a/lib/private/files/storage/mappedlocal.php b/lib/private/files/storage/mappedlocal.php
index 75582fd6c83..f995cb00c7a 100644
--- a/lib/private/files/storage/mappedlocal.php
+++ b/lib/private/files/storage/mappedlocal.php
@@ -39,17 +39,26 @@ class MappedLocal extends \OC\Files\Storage\Common{
 				new \RecursiveDirectoryIterator($this->buildPath($path)),
 				\RecursiveIteratorIterator::CHILD_FIRST
 			);
-			foreach ($it as $file) {
+			/**
+			 * RecursiveDirectoryIterator on an NFS path isn't iterable with foreach
+             * This bug is fixed in PHP 5.5.9 or before
+			 * See #8376
+			 */
+			$it->rewind();
+			while ($it->valid()) {
 				/**
 				 * @var \SplFileInfo $file
 				 */
+				$file = $it->current();
 				if (in_array($file->getBasename(), array('.', '..'))) {
+					$it->next();
 					continue;
 				} elseif ($file->isDir()) {
 					rmdir($file->getPathname());
 				} elseif ($file->isFile() || $file->isLink()) {
 					unlink($file->getPathname());
 				}
+				$it->next();
 			}
 			if ($result = @rmdir($this->buildPath($path))) {
 				$this->cleanMapper($path);