net_http.rb in down-5.3.0

- old
+ new

@@ -38,10 +38,11 @@
       progress_proc       = options.delete(:progress_proc)
       content_length_proc = options.delete(:content_length_proc)
       destination         = options.delete(:destination)
       headers             = options.delete(:headers)
       uri_normalizer      = options.delete(:uri_normalizer)
+      extension           = options.delete(:extension)
 
       # Use open-uri's :content_lenth_proc or :progress_proc to raise an
       # exception early if the file is too large.
       #
       # Also disable following redirects, as we'll provide our own
@@ -91,11 +92,12 @@
       end
 
       open_uri_file = open_uri(uri, open_uri_options, follows_remaining: max_redirects)
 
       # Handle the fact that open-uri returns StringIOs for small files.
-      tempfile = ensure_tempfile(open_uri_file, File.extname(open_uri_file.base_uri.path))
+      extname = extension ? ".#{extension}" : File.extname(open_uri_file.base_uri.path)
+      tempfile = ensure_tempfile(open_uri_file, extname)
       OpenURI::Meta.init tempfile, open_uri_file # add back open-uri methods
       tempfile.extend Down::NetHttp::DownloadedFile
 
       download_result(tempfile, destination)
     end
@@ -128,13 +130,10 @@
         encoding:   response.type_params["charset"],
         rewindable: options.fetch(:rewindable, true),
         on_close:   -> { request.resume }, # close HTTP connnection
         data: {
           status:   response.code.to_i,
-          headers:  response.each_header.inject({}) { |headers, (downcased_name, value)|
-                      name = downcased_name.split("-").map(&:capitalize).join("-")
-                      headers.merge!(name => value)
-                    },
+          headers:  normalize_headers(response.each_header),
           response: response,
         },
       )
     end
 