content-md5.ru in http_spew-0.2.0

- old
+ new

@@ -1,10 +1,12 @@
 # SHA1 checksum generator
 bs = ENV['bs'] ? ENV['bs'].to_i : 4096
 require 'digest/md5'
 use Rack::ContentLength
+use Rack::ContentType, "text/plain"
 app = lambda do |env|
+  return exit!(5) if env["HTTP_X_FAIL"] == "true"
   digest = Digest::MD5.new
   input = env['rack.input']
   if buf = input.read(bs)
     begin
       digest.update(buf)
@@ -14,8 +16,8 @@
   expect = env['HTTP_CONTENT_MD5']
   readed = [ digest.digest ].pack('m').strip
   body = "expect=#{expect}\nreaded=#{readed}\n"
   status = expect == readed ? 200 : 500
 
-  [ status, {'Content-Type' => 'text/plain'}, [ body ] ]
+  [ status, {}, [ body ] ]
 end
 run app