All router redirect helper to accept a full URI [#3653 state:resolved]

actionpack/lib/action_dispatch/routing/mapper.rb

@@ -200,13 +200,21 @@ module ActionDispatch
           path      = args.shift || block
           path_proc = path.is_a?(Proc) ? path : proc { |params| path % params }
           status    = options[:status] || 301
+          body      = 'Moved Permanently'
 
           lambda do |env|
-            req    = Rack::Request.new(env)
-            params = path_proc.call(env["action_dispatch.request.path_parameters"])
-            url    = req.scheme + '://' + req.host + params
+            req = Request.new(env)
 
-            [ status, {'Location' => url, 'Content-Type' => 'text/html'}, ['Moved Permanently'] ]
+            uri = URI.parse(path_proc.call(req.params))
+            uri.scheme ||= req.scheme
+            uri.host   ||= req.host
+
+            headers = {
+              'Location' => uri.to_s,
+              'Content-Type' => 'text/html',
+              'Content-Length' => body.length.to_s
+            }
+            [ status, headers, [body] ]
           end
         end
 

actionpack/test/dispatch/routing_test.rb

@@ -29,6 +29,7 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
 
       match 'account/modulo/:name', :to => redirect("/%{name}s")
       match 'account/proc/:name', :to => redirect {|params| "/#{params[:name].pluralize}" }
+      match 'account/google' => redirect('http://www.google.com/')
 
       match 'openid/login', :via => [:get, :post], :to => "openid#login"
 
@@ -472,7 +473,7 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
       assert_equal 'projects#index', @response.body
     end
   end
-  
+
   def test_index
     with_test_routes do
       assert_equal '/info', info_path
@@ -488,7 +489,7 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
       assert_equal 'projects#info', @response.body
     end
   end
-  
+
   def test_convention_match_with_no_scope
     with_test_routes do
       assert_equal '/account/overview', account_overview_path
@@ -497,6 +498,15 @@ class TestRoutingMapper < ActionDispatch::IntegrationTest
     end
   end
 
+  def test_redirect_with_complete_url
+    with_test_routes do
+      get '/account/google'
+      assert_equal 301, @response.status
+      assert_equal 'http://www.google.com/', @response.headers['Location']
+      assert_equal 'Moved Permanently', @response.body
+    end
+  end
+
   private
     def with_test_routes
       real_routes, temp_routes = ActionController::Routing::Routes, Routes