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author | Yehuda Katz <wycats@gmail.com> | 2009-07-30 21:00:39 -0700 |
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committer | Yehuda Katz <wycats@gmail.com> | 2009-08-02 19:39:33 -0400 |
commit | 503ce1d01ce6c8eee9818f4e76a9f880bb1a291d (patch) | |
tree | cd7e9febdd4afab332bc677c76986c3bf1481930 /actionpack/lib | |
parent | f2a35723c8876697d5a7ebfdf329cee54d8a39ac (diff) | |
download | rails-503ce1d01ce6c8eee9818f4e76a9f880bb1a291d.tar.gz rails-503ce1d01ce6c8eee9818f4e76a9f880bb1a291d.tar.bz2 rails-503ce1d01ce6c8eee9818f4e76a9f880bb1a291d.zip |
Update cache_control to be a Hash of options that is used to build the header.
* Significantly simplifies setting and modifying cache control in other areas
Diffstat (limited to 'actionpack/lib')
4 files changed, 25 insertions, 26 deletions
diff --git a/actionpack/lib/action_controller/base/conditional_get.rb b/actionpack/lib/action_controller/base/conditional_get.rb index d287ec4994..6d35137428 100644 --- a/actionpack/lib/action_controller/base/conditional_get.rb +++ b/actionpack/lib/action_controller/base/conditional_get.rb @@ -29,11 +29,7 @@ module ActionController response.last_modified = options[:last_modified] if options[:last_modified] if options[:public] - cache_control = response.headers["Cache-Control"].split(",").map {|k| k.strip } - cache_control.delete("private") - cache_control.delete("no-cache") - cache_control << "public" - response.headers["Cache-Control"] = cache_control.join(', ') + response.cache_control[:public] = true end if request.fresh?(response) @@ -107,21 +103,10 @@ module ActionController # This method will overwrite an existing Cache-Control header. # See http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html for more possibilities. def expires_in(seconds, options = {}) #:doc: - cache_control = response.headers["Cache-Control"].split(",").map {|k| k.strip } + response.cache_control.merge!(:max_age => seconds, :public => options.delete(:public)) + options.delete(:private) - cache_control << "max-age=#{seconds}" - cache_control.delete("no-cache") - if options[:public] - cache_control.delete("private") - cache_control << "public" - else - cache_control << "private" - end - - # This allows for additional headers to be passed through like 'max-stale' => 5.hours - cache_control += options.symbolize_keys.reject{|k,v| k == :public || k == :private }.map{ |k,v| v == true ? k.to_s : "#{k.to_s}=#{v.to_s}"} - - response.headers["Cache-Control"] = cache_control.join(', ') + response.cache_control[:extras] = options.map {|k,v| "#{k}=#{v}"} end # Sets a HTTP 1.1 Cache-Control header of "no-cache" so no caching should occur by the browser or diff --git a/actionpack/lib/action_controller/base/streaming.rb b/actionpack/lib/action_controller/base/streaming.rb index f52810ff3a..f0317c6e99 100644 --- a/actionpack/lib/action_controller/base/streaming.rb +++ b/actionpack/lib/action_controller/base/streaming.rb @@ -181,7 +181,7 @@ module ActionController #:nodoc: # after it displays the "open/save" dialog, which means that if you # hit "open" the file isn't there anymore when the application that # is called for handling the download is run, so let's workaround that - headers['Cache-Control'] = 'private' if headers['Cache-Control'] == 'no-cache' + response.cache_control[:public] ||= false end end end diff --git a/actionpack/lib/action_controller/testing/process.rb b/actionpack/lib/action_controller/testing/process.rb index e7c64d0942..d32d5562e8 100644 --- a/actionpack/lib/action_controller/testing/process.rb +++ b/actionpack/lib/action_controller/testing/process.rb @@ -52,7 +52,7 @@ module ActionController #:nodoc: class TestResponse < ActionDispatch::TestResponse def recycle! @status = 200 - @header = Rack::Utils::HeaderHash.new(DEFAULT_HEADERS) + @header = Rack::Utils::HeaderHash.new @writer = lambda { |x| @body << x } @block = nil @length = 0 diff --git a/actionpack/lib/action_dispatch/http/response.rb b/actionpack/lib/action_dispatch/http/response.rb index e58b4b5e19..32cfb5ae44 100644 --- a/actionpack/lib/action_dispatch/http/response.rb +++ b/actionpack/lib/action_dispatch/http/response.rb @@ -32,8 +32,8 @@ module ActionDispatch # :nodoc: # end # end class Response < Rack::Response - DEFAULT_HEADERS = { "Cache-Control" => "no-cache" } attr_accessor :request + attr_reader :cache_control attr_writer :header alias_method :headers=, :header= @@ -42,7 +42,8 @@ module ActionDispatch # :nodoc: def initialize super - @header = Rack::Utils::HeaderHash.new(DEFAULT_HEADERS) + @cache_control = {} + @header = Rack::Utils::HeaderHash.new end # The response code of the request @@ -196,7 +197,7 @@ module ActionDispatch # :nodoc: private def handle_conditional_get! - if etag? || last_modified? + if etag? || last_modified? || !cache_control.empty? set_conditional_cache_control! elsif nonempty_ok_response? self.etag = body @@ -207,6 +208,8 @@ module ActionDispatch # :nodoc: end set_conditional_cache_control! + else + headers["Cache-Control"] = "no-cache" end end @@ -220,9 +223,20 @@ module ActionDispatch # :nodoc: end def set_conditional_cache_control! - if headers['Cache-Control'] == DEFAULT_HEADERS['Cache-Control'] - headers['Cache-Control'] = 'private, max-age=0, must-revalidate' + if cache_control.empty? + cache_control.merge!(:public => false, :max_age => 0, :must_revalidate => true) end + + public_cache, max_age, must_revalidate, extras = + cache_control.values_at(:public, :max_age, :must_revalidate, :extras) + + options = [] + options << "max-age=#{max_age}" if max_age + options << (public_cache ? "public" : "private") + options << "must-revalidate" if must_revalidate + options.concat(extras) if extras + + headers["Cache-Control"] = options.join(", ") end def convert_content_type! |