From 8c93c00fd774f4a28323346dc3ff7ee3ede809f3 Mon Sep 17 00:00:00 2001
From: Marcel Klehr <mklehr@gmx.net>
Date: Fri, 29 Aug 2025 13:53:20 +0200
Subject: [PATCH] feat: Add text/plain MIME type mapping for 'text' extension

Signed-off-by: Marcel Klehr <mklehr@gmx.net>
---
 lib/private/Repair/RepairMimeTypes.php     | 16 ++++++++++++++++
 resources/config/mimetypemapping.dist.json |  1 +
 2 files changed, 17 insertions(+)

diff --git a/lib/private/Repair/RepairMimeTypes.php b/lib/private/Repair/RepairMimeTypes.php
index 3c9720b9e91..0fcbaf4307e 100644
--- a/lib/private/Repair/RepairMimeTypes.php
+++ b/lib/private/Repair/RepairMimeTypes.php
@@ -350,6 +350,18 @@ class RepairMimeTypes implements IRepairStep {
 		return $this->updateMimetypes($updatedMimetypes);
 	}
 
+	/**
+	 * @throws Exception
+	 * @since 32.0.0
+	 */
+	private function introduceTextType(): IResult|int|null {
+		$updatedMimetypes = [
+			'text' => 'text/plain',
+		];
+
+		return $this->updateMimetypes($updatedMimetypes);
+	}
+
 
 
 	/**
@@ -466,6 +478,10 @@ class RepairMimeTypes implements IRepairStep {
 			$out->info('Fixed musicxml mime type');
 		}
 
+		if (version_compare($mimeTypeVersion, '32.0.0.0', '<') && $this->introduceTextType()) {
+			$out->info('Fixed text mime type');
+		}
+
 		if (!$this->dryRun) {
 			$this->appConfig->setValueString('files', 'mimetype_version', $serverVersion);
 		}
diff --git a/resources/config/mimetypemapping.dist.json b/resources/config/mimetypemapping.dist.json
index 1227741769d..31fd566993b 100644
--- a/resources/config/mimetypemapping.dist.json
+++ b/resources/config/mimetypemapping.dist.json
@@ -199,6 +199,7 @@
 	"tif": ["image/tiff"],
 	"tiff": ["image/tiff"],
 	"ttf": ["application/font-sfnt"],
+	"text": ["text/plain"],
 	"txt": ["text/plain"],
 	"url": ["application/internet-shortcut"],
 	"vcard": ["text/vcard"],