From a5005bb78f9fb5074d40c9ce6bb6b4643ef782e4 Mon Sep 17 00:00:00 2001
From: Salvatore Giordano <salvatoregiordanoo@gmail.com>
Date: Thu, 16 Dec 2021 10:17:42 +0100
Subject: [PATCH 1/2] fix(ui): use file extension instead of mimeType

---
 .../lib/src/attachment_actions_modal.dart                | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/packages/stream_chat_flutter/lib/src/attachment_actions_modal.dart b/packages/stream_chat_flutter/lib/src/attachment_actions_modal.dart
index 0c10ae461..ac9213b6c 100644
--- a/packages/stream_chat_flutter/lib/src/attachment_actions_modal.dart
+++ b/packages/stream_chat_flutter/lib/src/attachment_actions_modal.dart
@@ -365,12 +365,13 @@ class AttachmentActionsModal extends StatelessWidget {
   }) async {
     String? filePath;
     final appDocDir = await getTemporaryDirectory();
+    final url =
+        attachment.assetUrl ?? attachment.imageUrl ?? attachment.thumbUrl!;
     await Dio().download(
-      attachment.assetUrl ?? attachment.imageUrl ?? attachment.thumbUrl!,
+      url,
       (Headers responseHeaders) {
-        final contentType = responseHeaders[Headers.contentTypeHeader]!;
-        final mimeType = contentType.first.split('/').last;
-        filePath ??= '${appDocDir.path}/${attachment.id}.$mimeType';
+        final ext = Uri.parse(url).pathSegments.last;
+        filePath ??= '${appDocDir.path}/${attachment.id}.$ext';
         return filePath!;
       },
       onReceiveProgress: progressCallback,

From 505b11b12e185041038674afa51aeef0416a73e4 Mon Sep 17 00:00:00 2001
From: Salvatore Giordano <salvatoregiordanoo@gmail.com>
Date: Thu, 16 Dec 2021 10:19:29 +0100
Subject: [PATCH 2/2] chore(ui): update changelog

---
 packages/stream_chat_flutter/CHANGELOG.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/packages/stream_chat_flutter/CHANGELOG.md b/packages/stream_chat_flutter/CHANGELOG.md
index 383eeb02d..4fc7439e6 100644
--- a/packages/stream_chat_flutter/CHANGELOG.md
+++ b/packages/stream_chat_flutter/CHANGELOG.md
@@ -1,3 +1,9 @@
+## Upcoming
+
+🐞 Fixed
+
+- Use file extension instead of mimeType for downloading files
+
 ## 3.3.2
 
 - Updated `stream_chat_flutter_core` dependency to [`3.3.1`](https://pub.dev/packages/stream_chat_flutter_core/changelog).