From 16b33e09780b4778f37257a4f81803b3777754ec Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Fri, 11 Nov 2016 16:14:14 +0300
Subject: xmpp-ft: lowercase extension

---
 juick-xmpp-ft/src/main/java/com/juick/components/XMPPFTServer.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/juick-xmpp-ft/src/main/java/com/juick/components/XMPPFTServer.java b/juick-xmpp-ft/src/main/java/com/juick/components/XMPPFTServer.java
index e922e7fa..14d65de9 100644
--- a/juick-xmpp-ft/src/main/java/com/juick/components/XMPPFTServer.java
+++ b/juick-xmpp-ft/src/main/java/com/juick/components/XMPPFTServer.java
@@ -56,7 +56,7 @@ public class XMPPFTServer {
         fileTransferManager.addFileTransferOfferListener(e -> {
             try {
                 List<String> allowedTypes = new ArrayList<String>() {{ add("png"); add("jpg"); }};
-                String attachmentExtension = FilenameUtils.getExtension(e.getName());
+                String attachmentExtension = FilenameUtils.getExtension(e.getName()).toLowerCase();
                 String targetFilename = String.format("%s.%s",
                         DigestUtils.md5Hex(String.format("%s-%s",
                                 e.getInitiator().toString(), e.getSessionId()).getBytes()), attachmentExtension);
-- 
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