diff options
| -rw-r--r-- | actionpack/lib/action_controller/metal/data_streaming.rb | 15 | ||||
| -rw-r--r-- | actionpack/test/controller/send_file_test.rb | 19 |
2 files changed, 32 insertions, 2 deletions
diff --git a/actionpack/lib/action_controller/metal/data_streaming.rb b/actionpack/lib/action_controller/metal/data_streaming.rb index 623a9873fc..50827d8107 100644 --- a/actionpack/lib/action_controller/metal/data_streaming.rb +++ b/actionpack/lib/action_controller/metal/data_streaming.rb @@ -26,8 +26,11 @@ module ActionController #:nodoc: # Options: # * <tt>:filename</tt> - suggests a filename for the browser to use. # Defaults to <tt>File.basename(path)</tt>. - # * <tt>:type</tt> - specifies an HTTP content type. Defaults to 'application/octet-stream'. You can specify - # either a string or a symbol for a registered type register with <tt>Mime::Type.register</tt>, for example :json + # * <tt>:type</tt> - specifies an HTTP content type. + # You can specify either a string or a symbol for a registered type register with + # <tt>Mime::Type.register</tt>, for example :json + # If omitted, type will be guessed from the file extension specified in <tt>:filename</tt>. + # If no content type is registered for the extension, default type 'application/octet-stream' will be used. # * <tt>:disposition</tt> - specifies whether the file will be shown inline or downloaded. # Valid values are 'inline' and 'attachment' (default). # * <tt>:status</tt> - specifies the status code to send with the response. Defaults to '200 OK'. @@ -84,6 +87,8 @@ module ActionController #:nodoc: # * <tt>:filename</tt> - suggests a filename for the browser to use. # * <tt>:type</tt> - specifies an HTTP content type. Defaults to 'application/octet-stream'. You can specify # either a string or a symbol for a registered type register with <tt>Mime::Type.register</tt>, for example :json + # If omitted, type will be guessed from the file extension specified in <tt>:filename</tt>. + # If no content type is registered for the extension, default type 'application/octet-stream' will be used. # * <tt>:disposition</tt> - specifies whether the file will be shown inline or downloaded. # Valid values are 'inline' and 'attachment' (default). # * <tt>:status</tt> - specifies the status code to send with the response. Defaults to '200 OK'. @@ -108,6 +113,8 @@ module ActionController #:nodoc: private def send_file_headers!(options) + type_provided = options.has_key?(:type) + options.update(DEFAULT_SEND_FILE_OPTIONS.merge(options)) [:type, :disposition].each do |arg| raise ArgumentError, ":#{arg} option required" if options[arg].nil? @@ -123,6 +130,10 @@ module ActionController #:nodoc: raise ArgumentError, "Unknown MIME type #{options[:type]}" unless extension self.content_type = extension else + if !type_provided && options[:filename] + # If type wasn't provided, try guessing from file extension. + content_type = Mime::Type.lookup_by_extension(File.extname(options[:filename]).downcase.tr('.','')) || content_type + end self.content_type = content_type end diff --git a/actionpack/test/controller/send_file_test.rb b/actionpack/test/controller/send_file_test.rb index c7c8360ae6..8f885ff28e 100644 --- a/actionpack/test/controller/send_file_test.rb +++ b/actionpack/test/controller/send_file_test.rb @@ -138,6 +138,25 @@ class SendFileTest < ActionController::TestCase @controller.headers = {} assert_raise(ArgumentError){ @controller.send(:send_file_headers!, options) } end + + def test_send_file_headers_guess_type_from_extension + { + 'image.png' => 'image/png', + 'image.jpeg' => 'image/jpeg', + 'image.jpg' => 'image/jpeg', + 'image.tif' => 'image/tiff', + 'image.gif' => 'image/gif', + 'movie.mpg' => 'video/mpeg', + 'file.zip' => 'application/zip', + 'file.unk' => 'application/octet-stream', + 'zip' => 'application/octet-stream' + }.each do |filename,expected_type| + options = { :filename => filename } + @controller.headers = {} + @controller.send(:send_file_headers!, options) + assert_equal expected_type, @controller.content_type + end + end %w(file data).each do |method| define_method "test_send_#{method}_status" do |