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author | Pratik Naik <pratiknaik@gmail.com> | 2009-08-31 22:11:50 +0100 |
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committer | Pratik Naik <pratiknaik@gmail.com> | 2009-08-31 22:11:50 +0100 |
commit | bae00bb1cc392e1cf408369809b9cf85468bef42 (patch) | |
tree | 17103af6eeb5de96c72beda1debce28950cc7fea /actionpack/lib/action_dispatch/vendor/rack-1.1.pre/rack/conditionalget.rb | |
parent | 93c76b2fb08668bc4b8364cc8051476e6d1d15ba (diff) | |
parent | ffd2cf167040b60c26d97c01598560c87bd4b2d3 (diff) | |
download | rails-bae00bb1cc392e1cf408369809b9cf85468bef42.tar.gz rails-bae00bb1cc392e1cf408369809b9cf85468bef42.tar.bz2 rails-bae00bb1cc392e1cf408369809b9cf85468bef42.zip |
Merge commit 'mainstream/master'
Diffstat (limited to 'actionpack/lib/action_dispatch/vendor/rack-1.1.pre/rack/conditionalget.rb')
-rw-r--r-- | actionpack/lib/action_dispatch/vendor/rack-1.1.pre/rack/conditionalget.rb | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/actionpack/lib/action_dispatch/vendor/rack-1.1.pre/rack/conditionalget.rb b/actionpack/lib/action_dispatch/vendor/rack-1.1.pre/rack/conditionalget.rb deleted file mode 100644 index 046ebdb00a..0000000000 --- a/actionpack/lib/action_dispatch/vendor/rack-1.1.pre/rack/conditionalget.rb +++ /dev/null @@ -1,47 +0,0 @@ -require 'rack/utils' - -module Rack - - # Middleware that enables conditional GET using If-None-Match and - # If-Modified-Since. The application should set either or both of the - # Last-Modified or Etag response headers according to RFC 2616. When - # either of the conditions is met, the response body is set to be zero - # length and the response status is set to 304 Not Modified. - # - # Applications that defer response body generation until the body's each - # message is received will avoid response body generation completely when - # a conditional GET matches. - # - # Adapted from Michael Klishin's Merb implementation: - # http://github.com/wycats/merb-core/tree/master/lib/merb-core/rack/middleware/conditional_get.rb - class ConditionalGet - def initialize(app) - @app = app - end - - def call(env) - return @app.call(env) unless %w[GET HEAD].include?(env['REQUEST_METHOD']) - - status, headers, body = @app.call(env) - headers = Utils::HeaderHash.new(headers) - if etag_matches?(env, headers) || modified_since?(env, headers) - status = 304 - headers.delete('Content-Type') - headers.delete('Content-Length') - body = [] - end - [status, headers, body] - end - - private - def etag_matches?(env, headers) - etag = headers['Etag'] and etag == env['HTTP_IF_NONE_MATCH'] - end - - def modified_since?(env, headers) - last_modified = headers['Last-Modified'] and - last_modified == env['HTTP_IF_MODIFIED_SINCE'] - end - end - -end |