From ffb8233d1b6ac54e37391e1949697ba8f6828f47 Mon Sep 17 00:00:00 2001
From: Kitsune Ral <Kitsune-Ral@users.sf.net>
Date: Thu, 1 Feb 2018 18:16:48 +0900
Subject: On Windows, make sure the downloaded file has a proper extension

Closes #287.
---
 room.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/room.cpp b/room.cpp
index 0e4b1385..51da747e 100644
--- a/room.cpp
+++ b/room.cpp
@@ -1005,6 +1005,14 @@ void Room::downloadFile(const QString& eventId, const QUrl& localFilename)
             (safeTempPrefix + fileInfo->originalName) :
         !event->plainBody().isEmpty() ? (safeTempPrefix + event->plainBody()) :
         (safeTempPrefix + fileInfo->mimeType.preferredSuffix());
+    if (QSysInfo::productType() == "windows")
+    {
+        const auto& suffixes = fileInfo->mimeType.suffixes();
+        if (!suffixes.isEmpty() &&
+                std::none_of(suffixes.begin(), suffixes.end(),
+                    [fileName] (const QString& s) { return fileName.endsWith(s); }))
+            fileName += '.' + fileInfo->mimeType.preferredSuffix();
+    }
     auto job = connection()->downloadFile(fileInfo->url, fileName);
     if (isJobRunning(job))
     {
-- 
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