only use master key ID if a user is logged in. Otherwise keep the public link share key

1 files changed, 5 insertions, 4 deletions

diff --git a/apps/encryption/lib/keymanager.php b/apps/encryption/lib/keymanager.php
index 8fa42be27fc..ae34286d21c 100644
--- a/apps/encryption/lib/keymanager.php
+++ b/apps/encryption/lib/keymanager.php
@@ -386,16 +386,17 @@ class KeyManager {
 	public function getFileKey($path, $uid) {
 		$encryptedFileKey = $this->keyStorage->getFileKey($path, $this->fileKeyId, Encryption::ID);
 
-		if ($this->util->isMasterKeyEnabled()) {
-			$uid = $this->getMasterKeyId();
-		}
-
 		if (is_null($uid)) {
 			$uid = $this->getPublicShareKeyId();
 			$shareKey = $this->getShareKey($path, $uid);
 			$privateKey = $this->keyStorage->getSystemUserKey($this->publicShareKeyId . '.privateKey', Encryption::ID);
 			$privateKey = $this->crypt->decryptPrivateKey($privateKey);
 		} else {
+
+			if ($this->util->isMasterKeyEnabled()) {
+				$uid = $this->getMasterKeyId();
+			}
+
 			$shareKey = $this->getShareKey($path, $uid);
 			$privateKey = $this->session->getPrivateKey();
 		}