Introduce the request.body stream. Lazy-read to parse parameters rather than always setting RAW_POST_DATA. Reduces the memory footprint of large binary PUT requests.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6740 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 23 insertions, 0 deletions

diff --git a/actionpack/lib/action_controller/cgi_ext/stdinput.rb b/actionpack/lib/action_controller/cgi_ext/stdinput.rb
new file mode 100644
index 0000000000..b0ca63ef2f
--- /dev/null
+++ b/actionpack/lib/action_controller/cgi_ext/stdinput.rb
@@ -0,0 +1,23 @@
+require 'cgi'
+
+module ActionController
+  module CgiExt
+    # Publicize the CGI's internal input stream so we can lazy-read
+    # request.body. Make it writable so we don't have to play $stdin games.
+    module Stdinput
+      def self.included(base)
+        base.class_eval do
+          remove_method :stdinput
+          attr_accessor :stdinput
+        end
+
+        base.alias_method_chain :initialize, :stdinput
+      end
+
+      def initialize_with_stdinput(type = nil, stdinput = $stdin)
+        @stdinput = stdinput
+        initialize_without_stdinput(type || 'query')
+      end
+    end
+  end
+end