diff options
Diffstat (limited to 'actionpack/lib/action_controller/metal/data_streaming.rb')
-rw-r--r-- | actionpack/lib/action_controller/metal/data_streaming.rb | 58 |
1 files changed, 19 insertions, 39 deletions
diff --git a/actionpack/lib/action_controller/metal/data_streaming.rb b/actionpack/lib/action_controller/metal/data_streaming.rb index 1abd8d3a33..f089c8423b 100644 --- a/actionpack/lib/action_controller/metal/data_streaming.rb +++ b/actionpack/lib/action_controller/metal/data_streaming.rb @@ -1,4 +1,4 @@ -require 'action_controller/metal/exceptions' +require "action_controller/metal/exceptions" module ActionController #:nodoc: # Methods for sending arbitrary data and for streaming files to the browser, @@ -8,8 +8,8 @@ module ActionController #:nodoc: include ActionController::Rendering - DEFAULT_SEND_FILE_TYPE = 'application/octet-stream'.freeze #:nodoc: - DEFAULT_SEND_FILE_DISPOSITION = 'attachment'.freeze #:nodoc: + DEFAULT_SEND_FILE_TYPE = "application/octet-stream".freeze #:nodoc: + DEFAULT_SEND_FILE_DISPOSITION = "attachment".freeze #:nodoc: protected # Sends the file. This uses a server-appropriate method (such as X-Sendfile) @@ -25,14 +25,13 @@ module ActionController #:nodoc: # * <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. - # 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. + # You can specify either a string or a symbol for a registered type with <tt>Mime::Type.register</tt>, for example :json. + # If omitted, the type will be inferred from the file extension specified in <tt>:filename</tt>. + # If no content type is registered for the extension, the 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. - # * <tt>:url_based_filename</tt> - set to +true+ if you want the browser guess the filename from + # * <tt>:url_based_filename</tt> - set to +true+ if you want the browser to guess the filename from # the URL, which is necessary for i18n filenames on certain browsers # (setting <tt>:filename</tt> overrides this option). # @@ -65,48 +64,29 @@ module ActionController #:nodoc: # http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9 # for the Cache-Control header spec. def send_file(path, options = {}) #:doc: - raise MissingFile, "Cannot read file #{path}" unless File.file?(path) and File.readable?(path) + raise MissingFile, "Cannot read file #{path}" unless File.file?(path) && File.readable?(path) options[:filename] ||= File.basename(path) unless options[:url_based_filename] send_file_headers! options self.status = options[:status] || 200 + self.content_type = options[:type] if options.key?(:type) self.content_type = options[:content_type] if options.key?(:content_type) - self.response_body = FileBody.new(path) - end - - # Avoid having to pass an open file handle as the response body. - # Rack::Sendfile will usually intercept the response and uses - # the path directly, so there is no reason to open the file. - class FileBody #:nodoc: - attr_reader :to_path - - def initialize(path) - @to_path = path - end - - # Stream the file's contents if Rack::Sendfile isn't present. - def each - File.open(to_path, 'rb') do |file| - while chunk = file.read(16384) - yield chunk - end - end - end + response.send_file path end # Sends the given binary data to the browser. This method is similar to # <tt>render plain: data</tt>, but also allows you to specify whether # the browser should display the response as a file attachment (i.e. in a # download dialog) or as inline data. You may also set the content type, - # the apparent file name, and other things. + # the file name, and other things. # # Options: # * <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>: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 with <tt>Mime::Type.register</tt>, for example :json. + # If omitted, type will be inferred from the file extension specified in <tt>:filename</tt>. + # If no content type is registered for the extension, the 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. @@ -126,7 +106,7 @@ module ActionController #:nodoc: # See +send_file+ for more information on HTTP Content-* headers and caching. def send_data(data, options = {}) #:doc: send_file_headers! options - render options.slice(:status, :content_type).merge(:text => data) + render options.slice(:status, :content_type).merge(body: data) end private @@ -143,7 +123,7 @@ module ActionController #:nodoc: 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.delete('.')) || content_type + content_type = Mime::Type.lookup_by_extension(File.extname(options[:filename]).downcase.delete(".")) || content_type end self.content_type = content_type end @@ -152,10 +132,10 @@ module ActionController #:nodoc: unless disposition.nil? disposition = disposition.to_s disposition += %(; filename="#{options[:filename]}") if options[:filename] - headers['Content-Disposition'] = disposition + headers["Content-Disposition"] = disposition end - headers['Content-Transfer-Encoding'] = 'binary' + headers["Content-Transfer-Encoding"] = "binary" response.sending_file = true |