only collect detailed access list if it is really needed

Signed-off-by: Bjoern Schiessle <bjoern@schiessle.org>

1 files changed, 9 insertions, 1 deletions

diff --git a/lib/private/Encryption/Update.php b/lib/private/Encryption/Update.php
index ad40183767b..94d64b73504 100644
--- a/lib/private/Encryption/Update.php
+++ b/lib/private/Encryption/Update.php
@@ -168,6 +168,14 @@ class Update {
 	 */
 	public function update($path) {
 
+		$encryptionModule = $this->encryptionManager->getEncryptionModule();
+
+		// if the encryption module doesn't encrypt the files on a per-user basis
+		// we have nothing to do here.
+		if ($encryptionModule->needDetailedAccessList() === false) {
+			return;
+		}
+
 		// if a folder was shared, get a list of all (sub-)folders
 		if ($this->view->is_dir($path)) {
 			$allFiles = $this->util->getAllFiles($path);
@@ -175,7 +183,7 @@ class Update {
 			$allFiles = array($path);
 		}
 
-		$encryptionModule = $this->encryptionManager->getEncryptionModule();
+
 
 		foreach ($allFiles as $file) {
 			$usersSharing = $this->file->getAccessList($file);