On sites with login_required enabled, after signup, don't show the /login page again

app/controllers/static_controller.rb

@@ -5,6 +5,8 @@ class StaticController < ApplicationController
 
   def show
 
+    return redirect_to('/') if current_user && params[:id] == 'login'
+
     map = {
       "faq" => "faq_url",
       "tos" => "tos_url",

spec/controllers/static_controller_spec.rb

@@ -2,56 +2,65 @@ require 'spec_helper'
 
 describe StaticController do
 
-  context "with a static file that's present" do
+  context 'show' do
+    context "with a static file that's present" do
 
-    before do
-      xhr :get, :show, id: 'faq'
-    end
+      before do
+        xhr :get, :show, id: 'faq'
+      end
 
-    it 'renders the static file if present' do
-      response.should be_success
-    end
+      it 'renders the static file if present' do
+        response.should be_success
+      end
 
-    it "renders the file" do
-      if rails4?
-        response.should render_template('static/faq.en')
-      else
-        response.should render_template('faq')
+      it "renders the file" do
+        if rails4?
+          response.should render_template('static/faq.en')
+        else
+          response.should render_template('faq')
+        end
       end
     end
-  end
 
-  [ ['tos', :tos_url], ['privacy', :privacy_policy_url] ].each do |id, setting_name|
-    context "#{id}" do
-      subject { xhr :get, :show, id: id }
+    [ ['tos', :tos_url], ['privacy', :privacy_policy_url] ].each do |id, setting_name|
+      context "#{id}" do
+        subject { xhr :get, :show, id: id }
 
-      context "when #{setting_name} site setting is NOT set" do
-        it "renders the #{id} page" do
-          if rails4?
-            expect(subject).to render_template("static/#{id}.en")
-          else
-            expect(subject).to render_template(id)
+        context "when #{setting_name} site setting is NOT set" do
+          it "renders the #{id} page" do
+            if rails4?
+              expect(subject).to render_template("static/#{id}.en")
+            else
+              expect(subject).to render_template(id)
+            end
+          end
+        end
+
+        context "when #{setting_name} site setting is set" do
+          before  { SiteSetting.stubs(setting_name).returns('http://example.com/page') }
+
+          it "redirects to the #{setting_name}" do
+            expect(subject).to redirect_to('http://example.com/page')
           end
         end
       end
+    end
 
-      context "when #{setting_name} site setting is set" do
-        before  { SiteSetting.stubs(setting_name).returns('http://example.com/page') }
-
-        it "redirects to the #{setting_name}" do
-          expect(subject).to redirect_to('http://example.com/page')
-        end
+    context "with a missing file" do
+      it "should respond 404" do
+        xhr :get, :show, id: 'does-not-exist'
+        response.response_code.should == 404
       end
     end
-  end
 
-  context "with a missing file" do
-    it "should respond 404" do
-      xhr :get, :show, id: 'does-not-exist'
-      response.response_code.should == 404
+    it 'should redirect to / when logged in and path is /login' do
+      log_in
+      xhr :get, :show, id: 'login'
+      response.should redirect_to '/'
     end
   end
 
+
   describe '#enter' do
     context 'without a redirect path' do
       it 'redirects to the root url' do