From 383d56b5ee5da7d6e34e75677e96e0f342aa470d Mon Sep 17 00:00:00 2001
From: Damien Mathieu <42@dmathieu.com>
Date: Tue, 14 Jun 2011 09:59:18 +0200
Subject: encode the uploaded file's name in the default external encoding -
 Closes #869

---
 actionpack/lib/action_dispatch/http/upload.rb | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'actionpack/lib/action_dispatch/http')

diff --git a/actionpack/lib/action_dispatch/http/upload.rb b/actionpack/lib/action_dispatch/http/upload.rb
index 37effade4f..ed6140dac5 100644
--- a/actionpack/lib/action_dispatch/http/upload.rb
+++ b/actionpack/lib/action_dispatch/http/upload.rb
@@ -4,7 +4,7 @@ module ActionDispatch
       attr_accessor :original_filename, :content_type, :tempfile, :headers
 
       def initialize(hash)
-        @original_filename = hash[:filename]
+        @original_filename = encode_filename(hash[:filename])
         @content_type      = hash[:type]
         @headers           = hash[:head]
         @tempfile          = hash[:tempfile]
@@ -30,6 +30,17 @@ module ActionDispatch
       def size
         @tempfile.size
       end
+      
+      private
+      def encode_filename(filename)
+        # Encode the filename in the default_external encoding, unless it is nil or we're in 1.8
+        if "ruby".encoding_aware? && filename
+          encoding = Encoding.default_external
+          filename.force_encoding(encoding)
+        else
+          filename
+        end
+      end
     end
 
     module Upload
-- 
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