Fix tmp file cleaning for bundled previews

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

2 files changed, 4 insertions, 2 deletions

diff --git a/lib/private/Preview/Bundled.php b/lib/private/Preview/Bundled.php
index 4da2486b76b..e0551bd392b 100644
--- a/lib/private/Preview/Bundled.php
+++ b/lib/private/Preview/Bundled.php
@@ -33,6 +33,8 @@ abstract class Bundled extends ProviderV2 {
 	protected function extractThumbnail(File $file, string $path): ?IImage {
 		$sourceTmp = \OC::$server->getTempManager()->getTemporaryFile();
 		$targetTmp = \OC::$server->getTempManager()->getTemporaryFile();
+		$this->tmpFiles[] = $sourceTmp;
+		$this->tmpFiles[] = $targetTmp;
 
 		try {
 			$content = $file->fopen('r');
diff --git a/lib/private/Preview/ProviderV2.php b/lib/private/Preview/ProviderV2.php
index 766e00f074a..0cb7eb59e21 100644
--- a/lib/private/Preview/ProviderV2.php
+++ b/lib/private/Preview/ProviderV2.php
@@ -35,7 +35,7 @@ abstract class ProviderV2 implements IProviderV2 {
 	protected $options;
 
 	/** @var array */
-	private $tmpFiles = [];
+	protected $tmpFiles = [];
 
 	/**
 	 * Constructor
@@ -109,7 +109,7 @@ abstract class ProviderV2 implements IProviderV2 {
 	/**
 	 * Clean any generated temporary files
 	 */
-	protected function cleanTmpFiles() {
+	protected function cleanTmpFiles(): void {
 		foreach ($this->tmpFiles as $tmpFile) {
 			unlink($tmpFile);
 		}