diff options
Diffstat (limited to 'actionpack/lib/action_controller/vendor/rack-0.4.0/rack/deflater.rb')
-rw-r--r-- | actionpack/lib/action_controller/vendor/rack-0.4.0/rack/deflater.rb | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/actionpack/lib/action_controller/vendor/rack-0.4.0/rack/deflater.rb b/actionpack/lib/action_controller/vendor/rack-0.4.0/rack/deflater.rb deleted file mode 100644 index 1341eecec2..0000000000 --- a/actionpack/lib/action_controller/vendor/rack-0.4.0/rack/deflater.rb +++ /dev/null @@ -1,63 +0,0 @@ -require "zlib" -require "stringio" - -module Rack - -class Deflater - def initialize(app) - @app = app - end - - def call(env) - status, headers, body = @app.call(env) - - request = Request.new(env) - - encoding = Utils.select_best_encoding(%w(gzip deflate identity), request.accept_encoding) - - case encoding - when "gzip" - mtime = headers["Last-Modified"] || Time.now - [status, headers.merge("Content-Encoding" => "gzip"), self.class.gzip(body, mtime)] - when "deflate" - [status, headers.merge("Content-Encoding" => "deflate"), self.class.deflate(body)] - when "identity" - [status, headers, body] - when nil - message = "An acceptable encoding for the requested resource #{request.fullpath} could not be found." - [406, {"Content-Type" => "text/plain"}, message] - end - end - - def self.gzip(body, mtime) - io = StringIO.new - gzip = Zlib::GzipWriter.new(io) - gzip.mtime = mtime - - # TODO: Add streaming - body.each { |part| gzip << part } - - gzip.close - return io.string - end - - DEFLATE_ARGS = [ - Zlib::DEFAULT_COMPRESSION, - # drop the zlib header which causes both Safari and IE to choke - -Zlib::MAX_WBITS, - Zlib::DEF_MEM_LEVEL, - Zlib::DEFAULT_STRATEGY - ] - - # Loosely based on Mongrel's Deflate handler - def self.deflate(body) - deflater = Zlib::Deflate.new(*DEFLATE_ARGS) - - # TODO: Add streaming - body.each { |part| deflater << part } - - return deflater.finish - end -end - -end |