Route external redirections through a different origin

README.md

@@ -3,7 +3,7 @@
 DevDocs combines multiple API documentations in a fast, organized, and searchable interface.
 
 * Created by [Thibaut Courouble](http://thibaut.me)
-* Supported by [JetBrains](http://devdocs.io/s/jetbrains) and [Code School](http://devdocs.io/s/code-school)
+* Supported by [JetBrains](http://out.devdocs.io/s/jetbrains) and [Code School](http://out.devdocs.io/s/code-school)
 
 Keep track of development and community news:
 

assets/javascripts/news.json

@@ -17,7 +17,7 @@
     "Added <code class=\"_label\">shift + &darr;/&uarr;</code> shortcut for scrolling (same as <code class=\"_label\">alt + &darr;/&uarr;</code>)."
   ], [
     "2015-07-12",
-    "New sponsors: <a href=\"http://devdocs.io/s/jetbrains\">JetBrains</a> and <a href=\"http://devdocs.io/s/code-school\">Code School</a>\nIf you like DevDocs, please take a moment to check out their products — they're awesome!"
+    "New sponsors: <a href=\"http://out.devdocs.io/s/jetbrains\">JetBrains</a> and <a href=\"http://out.devdocs.io/s/code-school\">Code School</a>\nIf you like DevDocs, please take a moment to check out their products — they're awesome!"
   ], [
     "2015-07-05",
     "New documentations: <a href=\"/drupal/\">Drupal</a>, <a href=\"/vue/\">Vue.js</a>, <a href=\"/phaser/\">Phaser</a> and <a href=\"/webpack/\">webpack</a>"

assets/javascripts/templates/notif_tmpl.coffee

@@ -29,15 +29,15 @@ app.templates.notifNews = (news) ->
 app.templates.notifShare = ->
   textNotif """ Hi there! """,
             """ Like DevDocs? Help us reach more developers by sharing the link with your friends, on
-                <a href="/s/tw" target="_blank">Twitter</a>, <a href="/s/fb" target="_blank">Facebook</a>,
+                <a href="http://out.devdocs.io/s/tw" target="_blank">Twitter</a>, <a href="http://out.devdocs.io/s/fb" target="_blank">Facebook</a>,
-                <a href="/s/re" target="_blank">Reddit</a>, etc.<br>Thanks :) """
+                <a href="http://out.devdocs.io/s/re" target="_blank">Reddit</a>, etc.<br>Thanks :) """
 
 app.templates.notifThanks = ->
   textNotif """ Hi there! """,
             """ <p class="_notif-text">Like DevDocs? Check out these awesome companies who are making it possible:
                 <ul class="_notif-list">
-                  <li><a href="http://devdocs.io/s/jetbrains" target="_blank">JetBrains</a> — We make software development a more productive and enjoyable experience through smart IDEs and code editors.
+                  <li><a href="http://out.devdocs.io/s/jetbrains" target="_blank">JetBrains</a> — We make software development a more productive and enjoyable experience through smart IDEs and code editors.
-                  <li><a href="http://devdocs.io/s/code-school" target="_blank">Code School</a> — Learn new skills from the comfort of your own browser. Offering more than 45 courses covering JavaScript, HTML/CSS, Ruby, Git, and iOS for only $29/month.
+                  <li><a href="http://out.devdocs.io/s/code-school" target="_blank">Code School</a> — Learn new skills from the comfort of your own browser. Offering more than 45 courses covering JavaScript, HTML/CSS, Ruby, Git, and iOS for only $29/month.
                 </ul>
                 <p class="_notif-text">Have a great day :) """
 

assets/javascripts/templates/pages/about_tmpl.coffee

@@ -13,7 +13,7 @@ app.templates.aboutPage = -> """
   <p>DevDocs combines multiple API documentations in a fast, organized, and searchable interface.
   <ul>
     <li>Created and maintained by <a href="http://thibaut.me">Thibaut Courouble</a>
-    <li>Supported by <a href="http://devdocs.io/s/jetbrains">JetBrains</a> and <a href="http://devdocs.io/s/code-school">Code School</a>
+    <li>Supported by <a href="http://out.devdocs.io/s/jetbrains">JetBrains</a> and <a href="http://out.devdocs.io/s/code-school">Code School</a>
     <li>Free and <a href="https://github.com/Thibaut/devdocs">open source</a>
         <iframe class="_github-btn" src="https://ghbtns.com/github-btn.html?user=Thibaut&repo=devdocs&type=watch&count=true" allowtransparency="true" frameborder="0" scrolling="0" width="100" height="20"></iframe>
   </ul>
@@ -30,8 +30,8 @@ app.templates.aboutPage = -> """
 
   <p><strong>Special thanks to:</strong>
   <ul>
-    <li><a href="http://devdocs.io/s/maxcdn">MaxCDN</a> and <a href="http://get.gaug.es/?utm_source=devdocs&utm_medium=referral&utm_campaign=sponsorships" title="Real Time Web Analytics">Gauges</a> for offering a free account to DevDocs
+    <li><a href="http://out.devdocs.io/s/maxcdn">MaxCDN</a> and <a href="http://get.gaug.es/?utm_source=devdocs&utm_medium=referral&utm_campaign=sponsorships" title="Real Time Web Analytics">Gauges</a> for offering a free account to DevDocs
-    <li><a href="http://devdocs.io/s/shopify">Shopify</a> for supporting DevDocs in the past
+    <li><a href="http://out.devdocs.io/s/shopify">Shopify</a> for supporting DevDocs in the past
     <li><a href="https://www.heroku.com">Heroku</a> and <a href="http://newrelic.com">New Relic</a> for providing awesome free service
     <li>Daniel Bruce for the <a href="http://www.entypo.com">Entypo</a> pictograms
     <li><a href="http://www.jeremykratz.com/">Jeremy Kratz</a> for the C/C++ logo

assets/javascripts/templates/pages/root_tmpl.coffee.erb

@@ -3,7 +3,7 @@ jetBrainsLink = (className) ->
   path = "/#{type}" if type
 
   """
-  <a href="http://devdocs.io/s/jetbrains#{path || ''}" class="#{className}">
+  <a href="http://out.devdocs.io/s/jetbrains#{path || ''}" class="#{className}">
     <span class="_logo-thx _jetbrains-logo">JetBrains</span>
     <span class="_logo-info">#{JETBRAINS_INFO[type || 'default']}</span>
   </a>
@@ -29,7 +29,7 @@ jetBrainsType = ->
     'web'
 
 codeSchoolLink = (className) -> """
-  <a href="http://devdocs.io/s/code-school" class="#{className}">
+  <a href="http://out.devdocs.io/s/code-school" class="#{className}">
     <span class="_logo-thx _code-school-logo">Code School</span>
     <span class="_logo-info">With more than 45 courses covering JavaScript, HTML/CSS, Ruby, Git, and iOS, Code School pairs experienced instructors with engaging content. Start learning at codeschool.com.</span>
   </a>

lib/app.rb

@@ -172,6 +172,15 @@ class App < Sinatra::Application
     halt erb :unsupported if unsupported_browser?
   end
 
+  OUT_HOST = 'out.devdocs.io'.freeze
+
+  before do
+    if request.host == OUT_HOST && !request.path.start_with?('/s/')
+      query_string = "?#{request.query_string}" unless request.query_string.empty?
+      redirect "http://devdocs.io#{request.path}#{query_string}", 302
+    end
+  end
+
   get '/manifest.appcache' do
     content_type 'text/cache-manifest'
     expires 0, :'no-cache'