From ac4bb3450f4d4f79977ca18d75370c07c207d8df Mon Sep 17 00:00:00 2001
From: Vincent Breitmoser <look@my.amazin.horse>
Date: Tue, 3 Jan 2017 19:04:58 +0100
Subject: [PATCH] extract extension manually if getFileExtensionFromUrl failed

This fixes issues with whitespace in filenames
---
 .../keychain/pgp/PgpDecryptVerifyOperation.java              | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpDecryptVerifyOperation.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpDecryptVerifyOperation.java
index 43555e281..b9bac2307 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpDecryptVerifyOperation.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpDecryptVerifyOperation.java
@@ -390,7 +390,10 @@ public class PgpDecryptVerifyOperation extends BaseOperation<PgpDecryptVerifyInp
         } else {
             // try to guess from file ending
             String extension = MimeTypeMap.getFileExtensionFromUrl(originalFilename);
-            if (extension != null) {
+            if (TextUtils.isEmpty(extension) && originalFilename.contains(".")) {
+                extension = originalFilename.substring(originalFilename.lastIndexOf(".") +1);
+            }
+            if (!TextUtils.isEmpty(extension)) {
                 MimeTypeMap mime = MimeTypeMap.getSingleton();
                 mimeType = mime.getMimeTypeFromExtension(extension);
             }