From c5a82467429e5e09b740009d19758a3df38a7f4d Mon Sep 17 00:00:00 2001
From: Robin Appelman <robin@icewind.nl>
Date: Tue, 23 Feb 2021 17:32:23 +0100
Subject: [PATCH] use mimetype from cache for workflow if available

Signed-off-by: Robin Appelman <robin@icewind.nl>
---
 apps/workflowengine/lib/Check/FileMimeType.php | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/apps/workflowengine/lib/Check/FileMimeType.php b/apps/workflowengine/lib/Check/FileMimeType.php
index 42b93bd9513..8213010af05 100644
--- a/apps/workflowengine/lib/Check/FileMimeType.php
+++ b/apps/workflowengine/lib/Check/FileMimeType.php
@@ -26,6 +26,7 @@
  */
 namespace OCA\WorkflowEngine\Check;
 
+use OC\Files\Storage\Local;
 use OCA\WorkflowEngine\Entity\File;
 use OCP\Files\IMimeTypeDetector;
 use OCP\Files\Storage\IStorage;
@@ -122,12 +123,15 @@ class FileMimeType extends AbstractStringCheck implements IFileCheck {
 		if ($this->mimeType[$this->storage->getId()][$this->path] !== null) {
 			return $this->mimeType[$this->storage->getId()][$this->path];
 		}
-
-		if ($this->storage->is_dir($this->path)) {
-			return $this->cacheAndReturnMimeType($this->storage->getId(), $this->path, 'httpd/unix-directory');
+		$cacheEntry = $this->storage->getCache()->get($this->path);
+		if ($cacheEntry && $cacheEntry->getMimeType() !== 'application/octet-stream') {
+			return $this->cacheAndReturnMimeType($this->storage->getId(), $this->path, $cacheEntry->getMimeType());
 		}
 
-		if ($this->storage->file_exists($this->path) && $this->storage->filesize($this->path)) {
+		if ($this->storage->file_exists($this->path) &&
+			$this->storage->filesize($this->path) &&
+			$this->storage->instanceOfStorage(Local::class)
+		) {
 			$path = $this->storage->getLocalFile($this->path);
 			$mimeType = $this->mimeTypeDetector->detectContent($path);
 			return $this->cacheAndReturnMimeType($this->storage->getId(), $this->path, $mimeType);