From 6dd853de61b7d51307efcf82cb86f3d7362d7a77 Mon Sep 17 00:00:00 2001
From: Christian Flothmann <christian.flothmann@qossmic.com>
Date: Sat, 1 Oct 2022 11:54:26 +0200
Subject: [PATCH] sync message serializer code for forward-compatibility

---
 src/Symfony/Component/Mime/Tests/MessageTest.php             | 5 -----
 src/Symfony/Component/Mime/composer.json                     | 5 +++--
 .../Serializer/Normalizer/MimeMessageNormalizer.php          | 1 +
 3 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/src/Symfony/Component/Mime/Tests/MessageTest.php b/src/Symfony/Component/Mime/Tests/MessageTest.php
index 6ed5aabdbe680..f35590ce9e174 100644
--- a/src/Symfony/Component/Mime/Tests/MessageTest.php
+++ b/src/Symfony/Component/Mime/Tests/MessageTest.php
@@ -202,7 +202,6 @@ public function testSymfonySerialize()
                         "disposition": null,
                         "name": null,
                         "encoding": "quoted-printable",
-                        "seekable": null,
                         "headers": [],
                         "class": "Symfony\\\\Component\\\\Mime\\\\Part\\\TextPart"
                     },
@@ -213,7 +212,6 @@ public function testSymfonySerialize()
                         "disposition": null,
                         "name": null,
                         "encoding": "quoted-printable",
-                        "seekable": null,
                         "headers": [],
                         "class": "Symfony\\\\Component\\\\Mime\\\\Part\\\\TextPart"
                     }
@@ -224,15 +222,12 @@ public function testSymfonySerialize()
             {
                 "filename": "text.txt",
                 "mediaType": "application",
-                "cid": null,
-                "handle": null,
                 "body": "text data",
                 "charset": null,
                 "subtype": "octet-stream",
                 "disposition": "attachment",
                 "name": "text.txt",
                 "encoding": "base64",
-                "seekable": null,
                 "headers": [],
                 "class": "Symfony\\\\Component\\\\Mime\\\\Part\\\\DataPart"
             }
diff --git a/src/Symfony/Component/Mime/composer.json b/src/Symfony/Component/Mime/composer.json
index cd04969b9a9cc..ec96dff5d0b61 100644
--- a/src/Symfony/Component/Mime/composer.json
+++ b/src/Symfony/Component/Mime/composer.json
@@ -28,13 +28,14 @@
         "symfony/dependency-injection": "^4.4|^5.0|^6.0",
         "symfony/property-access": "^4.4|^5.1|^6.0",
         "symfony/property-info": "^4.4|^5.1|^6.0",
-        "symfony/serializer": "^5.2|^6.0"
+        "symfony/serializer": "^5.4.14|~6.0.14|^6.1.6"
     },
     "conflict": {
         "egulias/email-validator": "~3.0.0",
         "phpdocumentor/reflection-docblock": "<3.2.2",
         "phpdocumentor/type-resolver": "<1.4.0",
-        "symfony/mailer": "<4.4"
+        "symfony/mailer": "<4.4",
+        "symfony/serializer": "<5.4.14|>=6.0,<6.0.14|>=6.1,<6.1.6"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Mime\\": "" },
diff --git a/src/Symfony/Component/Serializer/Normalizer/MimeMessageNormalizer.php b/src/Symfony/Component/Serializer/Normalizer/MimeMessageNormalizer.php
index 5f3de19335473..14122829ee0cd 100644
--- a/src/Symfony/Component/Serializer/Normalizer/MimeMessageNormalizer.php
+++ b/src/Symfony/Component/Serializer/Normalizer/MimeMessageNormalizer.php
@@ -66,6 +66,7 @@ public function normalize($object, string $format = null, array $context = [])
         if ($object instanceof AbstractPart) {
             $ret = $this->normalizer->normalize($object, $format, $context);
             $ret['class'] = \get_class($object);
+            unset($ret['seekable'], $ret['cid'], $ret['handle']);
 
             return $ret;
         }