Merge pull request #1689 from dmathieu/utf8-filename

Encode the uploaded file's name in utf8 - Closes #869

2 files changed, 18 insertions, 1 deletions

diff --git a/actionpack/lib/action_dispatch/http/upload.rb b/actionpack/lib/action_dispatch/http/upload.rb
index 37effade4f..a15ad28f16 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 +30,16 @@ module ActionDispatch
       def size
         @tempfile.size
       end
+      
+      private
+      def encode_filename(filename)
+        # Encode the filename in the utf8 encoding, unless it is nil or we're in 1.8
+        if "ruby".encoding_aware? && filename
+          filename.force_encoding("UTF-8").encode!
+        else
+          filename
+        end
+      end
     end
 
     module Upload
diff --git a/actionpack/test/dispatch/uploaded_file_test.rb b/actionpack/test/dispatch/uploaded_file_test.rb
index e2a7f1bad7..44c15694f7 100644
--- a/actionpack/test/dispatch/uploaded_file_test.rb
+++ b/actionpack/test/dispatch/uploaded_file_test.rb
@@ -12,6 +12,13 @@ module ActionDispatch
       uf = Http::UploadedFile.new(:filename => 'foo', :tempfile => Object.new)
       assert_equal 'foo', uf.original_filename
     end
+    
+    if "ruby".encoding_aware?
+      def test_filename_should_be_in_utf_8
+        uf = Http::UploadedFile.new(:filename => 'foo', :tempfile => Object.new)
+        assert "UTF-8", uf.original_filename.encoding.to_s
+      end
+    end
 
     def test_content_type
       uf = Http::UploadedFile.new(:type => 'foo', :tempfile => Object.new)