diff options
Diffstat (limited to 'actionpack/lib/action_controller/metal/streaming.rb')
| -rw-r--r-- | actionpack/lib/action_controller/metal/streaming.rb | 67 |
1 files changed, 20 insertions, 47 deletions
diff --git a/actionpack/lib/action_controller/metal/streaming.rb b/actionpack/lib/action_controller/metal/streaming.rb index 8f03b8bb17..753af3dc58 100644 --- a/actionpack/lib/action_controller/metal/streaming.rb +++ b/actionpack/lib/action_controller/metal/streaming.rb @@ -9,18 +9,13 @@ module ActionController #:nodoc: DEFAULT_SEND_FILE_OPTIONS = { :type => 'application/octet-stream'.freeze, :disposition => 'attachment'.freeze, - :stream => true, - :buffer_size => 4096, - :x_sendfile => false }.freeze - X_SENDFILE_HEADER = 'X-Sendfile'.freeze - protected - # Sends the file, by default streaming it 4096 bytes at a time. This way the - # whole file doesn't need to be read into memory at once. This makes it - # feasible to send even large files. You can optionally turn off streaming - # and send the whole file at once. + # Sends the file. This uses a server-appropriate method (such as X-Sendfile) + # via the Rack::Sendfile middleware. The header to use is set via + # config.action_dispatch.x_sendfile_header, and defaults to "X-Sendfile". + # Your server can also configure this for you by setting the X-Sendfile-Type header. # # Be careful to sanitize the path parameter if it is coming from a web # page. <tt>send_file(params[:path])</tt> allows a malicious user to @@ -31,24 +26,12 @@ module ActionController #:nodoc: # 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>:length</tt> - used to manually override the length (in bytes) of the content that - # is going to be sent to the client. Defaults to <tt>File.size(path)</tt>. # * <tt>:disposition</tt> - specifies whether the file will be shown inline or downloaded. # Valid values are 'inline' and 'attachment' (default). - # * <tt>:stream</tt> - whether to send the file to the user agent as it is read (+true+) - # or to read the entire file before sending (+false+). Defaults to +true+. - # * <tt>:buffer_size</tt> - specifies size (in bytes) of the buffer used to stream the file. - # Defaults to 4096. # * <tt>:status</tt> - specifies the status code to send with the response. Defaults to '200 OK'. # * <tt>:url_based_filename</tt> - set to +true+ if you want the browser guess the filename from # the URL, which is necessary for i18n filenames on certain browsers # (setting <tt>:filename</tt> overrides this option). - # * <tt>:x_sendfile</tt> - uses X-Sendfile to send the file when set to +true+. This is currently - # only available with Lighttpd/Apache2 and specific modules installed and activated. Since this - # uses the web server to send the file, this may lower memory consumption on your server and - # it will not block your application for further requests. - # See http://blog.lighttpd.net/articles/2006/07/02/x-sendfile and - # http://tn123.ath.cx/mod_xsendfile/ for details. Defaults to +false+. # # The default Content-Type and Content-Disposition headers are # set to download arbitrary binary files in as many browsers as @@ -81,29 +64,16 @@ module ActionController #:nodoc: def send_file(path, options = {}) #:doc: raise MissingFile, "Cannot read file #{path}" unless File.file?(path) and File.readable?(path) - options[:length] ||= File.size(path) options[:filename] ||= File.basename(path) unless options[:url_based_filename] send_file_headers! options - @performed_render = false - if options[:x_sendfile] - head options[:status], X_SENDFILE_HEADER => path - else - if options[:stream] - # TODO : Make render :text => proc {} work with the new base - render :status => options[:status], :text => Proc.new { |response, output| - len = options[:buffer_size] || 4096 - File.open(path, 'rb') do |file| - while buf = file.read(len) - output.write(buf) - end - end - } - else - File.open(path, 'rb') { |file| render :status => options[:status], :text => file.read } - end + ActiveSupport::Deprecation.warn(":x_sendfile is no longer needed in send_file", caller) end + + self.status = options[:status] || 200 + self.content_type = options[:content_type] if options.key?(:content_type) + self.response_body = File.open(path, "rb") end # Sends the given binary data to the browser. This method is similar to @@ -138,32 +108,35 @@ module ActionController #:nodoc: # data to the browser, then use <tt>render :text => proc { ... }</tt> # instead. See ActionController::Base#render for more information. def send_data(data, options = {}) #:doc: - send_file_headers! options.merge(:length => data.bytesize) - render :status => options[:status], :text => data + send_file_headers! options.dup + render options.slice(:status, :content_type).merge(:text => data) end private def send_file_headers!(options) options.update(DEFAULT_SEND_FILE_OPTIONS.merge(options)) - [:length, :type, :disposition].each do |arg| + [:type, :disposition].each do |arg| raise ArgumentError, ":#{arg} option required" if options[arg].nil? end - disposition = options[:disposition].dup || 'attachment' + if options.key?(:length) + ActiveSupport::Deprecation.warn("You do not need to provide the file's length", caller) + end - disposition <<= %(; filename="#{options[:filename]}") if options[:filename] + disposition = options[:disposition] + disposition += %(; filename="#{options[:filename]}") if options[:filename] content_type = options[:type] if content_type.is_a?(Symbol) - raise ArgumentError, "Unknown MIME type #{options[:type]}" unless Mime::EXTENSION_LOOKUP.key?(content_type.to_s) - self.content_type = Mime::Type.lookup_by_extension(content_type.to_s) + extension = Mime[content_type] + raise ArgumentError, "Unknown MIME type #{options[:type]}" unless extension + self.content_type = extension else self.content_type = content_type end headers.merge!( - 'Content-Length' => options[:length].to_s, 'Content-Disposition' => disposition, 'Content-Transfer-Encoding' => 'binary' ) |