From a807523f57d4984ffbe48c01abd9dd6b8b677a30 Mon Sep 17 00:00:00 2001
From: Wojciech Kania <wojciech.kania@gmail.com>
Date: Tue, 31 May 2022 23:20:05 +0200
Subject: [PATCH] [Mime] Check that the path is a file in the
 DataPart::fromPath

---
 src/Symfony/Component/Mime/Part/DataPart.php           | 2 +-
 src/Symfony/Component/Mime/Tests/Part/DataPartTest.php | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Mime/Part/DataPart.php b/src/Symfony/Component/Mime/Part/DataPart.php
index 75bcb64a9a9cb..e80a83946ef2e 100644
--- a/src/Symfony/Component/Mime/Part/DataPart.php
+++ b/src/Symfony/Component/Mime/Part/DataPart.php
@@ -61,7 +61,7 @@ public static function fromPath(string $path, string $name = null, string $conte
             $contentType = self::$mimeTypes->getMimeTypes($ext)[0] ?? 'application/octet-stream';
         }
 
-        if (false === is_readable($path)) {
+        if (!is_file($path) || !is_readable($path)) {
             throw new InvalidArgumentException(sprintf('Path "%s" is not readable.', $path));
         }
 
diff --git a/src/Symfony/Component/Mime/Tests/Part/DataPartTest.php b/src/Symfony/Component/Mime/Tests/Part/DataPartTest.php
index d8a08a24303c2..4d5b692744327 100644
--- a/src/Symfony/Component/Mime/Tests/Part/DataPartTest.php
+++ b/src/Symfony/Component/Mime/Tests/Part/DataPartTest.php
@@ -12,6 +12,7 @@
 namespace Symfony\Component\Mime\Tests\Part;
 
 use PHPUnit\Framework\TestCase;
+use Symfony\Component\Mime\Exception\InvalidArgumentException;
 use Symfony\Component\Mime\Header\Headers;
 use Symfony\Component\Mime\Header\IdentificationHeader;
 use Symfony\Component\Mime\Header\ParameterizedHeader;
@@ -127,6 +128,12 @@ public function testFromPathWithMeta()
         ), $p->getPreparedHeaders());
     }
 
+    public function testFromPathWithNotAFile()
+    {
+        $this->expectException(InvalidArgumentException::class);
+        DataPart::fromPath(__DIR__.'/../Fixtures/mimetypes/');
+    }
+
     public function testHasContentId()
     {
         $p = new DataPart('content');