diff --git a/lib/jekyll.rb b/lib/jekyll.rb
index 604ff238..e2dd369c 100644
--- a/lib/jekyll.rb
+++ b/lib/jekyll.rb
@@ -50,6 +50,7 @@ require 'jekyll/related_posts'
 require 'jekyll/cleaner'
 require 'jekyll/entry_filter'
 require 'jekyll/layout_reader'
+require 'jekyll/publisher'
 
 # extensions
 require 'jekyll/plugin'
diff --git a/lib/jekyll/publisher.rb b/lib/jekyll/publisher.rb
new file mode 100644
index 00000000..e86e96b6
--- /dev/null
+++ b/lib/jekyll/publisher.rb
@@ -0,0 +1,21 @@
+module Jekyll
+  class Publisher
+    def initialize(site)
+      @site = site
+    end
+
+    def publish?(thing)
+      can_be_published?(thing) && !hidden_in_the_future?(thing)
+    end
+
+    private
+
+    def can_be_published?(thing)
+      thing.data.fetch('published', true) || @site.unpublished
+    end
+
+    def hidden_in_the_future?(thing)
+      thing.is_a?(Post) && !@site.future && thing.date > @site.time
+    end
+  end
+end
\ No newline at end of file