From 8f3841f7cf9b44f02dfbbeaa467e52327c50ca8c Mon Sep 17 00:00:00 2001
From: rivexe <stepan.mayorov@onlyoffice.com>
Date: Mon, 18 Mar 2024 14:08:32 +0300
Subject: [PATCH] fix: fixed download error for some formats. a separate method
 has been allocated for obtaining mime type by format name

---
 controller/editorcontroller.php |  4 ++--
 lib/appconfig.php               | 21 +++++++++++++++++++++
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/controller/editorcontroller.php b/controller/editorcontroller.php
index 3ff9b176..f414b444 100644
--- a/controller/editorcontroller.php
+++ b/controller/editorcontroller.php
@@ -1257,9 +1257,9 @@ public function download($fileId, $toExtension = null, $template = false) {
         $fileNameWithoutExt = substr($fileName, 0, strlen($fileName) - strlen($ext) - 1);
         $newFileName = $fileNameWithoutExt . "." . $toExtension;
 
-        $formats = $this->config->formatsSetting();
+        $mimeType = $this->config->getMimeType($toExtension);
 
-        return new DataDownloadResponse($newData, $newFileName, $formats[$toExtension]["mime"][0]);
+        return new DataDownloadResponse($newData, $newFileName, $mimeType);
     }
 
     /**
diff --git a/lib/appconfig.php b/lib/appconfig.php
index 8f570027..07b9cece 100644
--- a/lib/appconfig.php
+++ b/lib/appconfig.php
@@ -1432,6 +1432,27 @@ public function getFormats() {
         return json_decode($formats, true);
     }
 
+    /**
+     * Get the mime type by format name
+     *
+     * @param string $ext - format name
+     *
+     * @return string
+     */
+    public function getMimeType($ext) {
+        $onlyofficeFormats = $this->getFormats();
+        $result = "text/plain";
+
+        foreach ($onlyofficeFormats as $onlyOfficeFormat) {
+            if ($onlyOfficeFormat["name"] === $ext && !empty($onlyOfficeFormat["mime"])) {
+                $result = $onlyOfficeFormat["mime"][0];
+                break;
+            }
+        }
+
+        return $result;
+    }
+
     /**
      * DEMO DATA
      */