From 2acbea014b09e86585b00e5d29de9c2795e06aa5 Mon Sep 17 00:00:00 2001
From: Greyson Parrelli <greyson@signal.org>
Date: Mon, 13 Aug 2018 16:55:58 -0400
Subject: [PATCH] Fix videos losing their extension after forwarding.

Special thanks to @signalien

Fixes #7783
---
 src/org/thoughtcrime/securesms/util/MediaUtil.java | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/org/thoughtcrime/securesms/util/MediaUtil.java b/src/org/thoughtcrime/securesms/util/MediaUtil.java
index afdb952f01..48cf29cc76 100644
--- a/src/org/thoughtcrime/securesms/util/MediaUtil.java
+++ b/src/org/thoughtcrime/securesms/util/MediaUtil.java
@@ -69,8 +69,8 @@ public class MediaUtil {
   public static @Nullable String getMimeType(Context context, Uri uri) {
     if (uri == null) return null;
 
-    if (PersistentBlobProvider.isAuthority(context, uri)) {
-      return PersistentBlobProvider.getMimeType(context, uri);
+    if (PartAuthority.isLocalUri(uri)) {
+      return PartAuthority.getAttachmentContentType(context, uri);
     }
 
     String type = context.getContentResolver().getType(uri);
@@ -78,6 +78,7 @@ public class MediaUtil {
       final String extension = MimeTypeMap.getFileExtensionFromUrl(uri.toString());
       type = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension.toLowerCase());
     }
+
     return getCorrectedMimeType(type);
   }