Move captcha endpoint into Login route

Author: matthewmcgarvey

src/invidious.cr

@@ -391,8 +391,6 @@ end
 
   Invidious::Routing.post "/subscription_ajax", Invidious::Routes::Subscriptions, :toggle_subscription
   Invidious::Routing.get "/subscription_manager", Invidious::Routes::Subscriptions, :subscription_manager
-
-  Invidious::Routing.get "/Captcha", Invidious::Routes::Captcha, :get
 {% end %}
 
 Invidious::Routing.get "/ggpht/*", Invidious::Routes::Images, :ggpht

src/invidious/routes/captcha.cr

@@ -481,4 +481,11 @@ module Invidious::Routes::Login
 
     env.redirect referer
   end
+
+  def self.captcha(env)
+    headers = HTTP::Headers{":authority" => "accounts.google.com"}
+    response = YT_POOL.client &.get(env.request.resource, headers)
+    env.response.headers["Content-Type"] = response.headers["Content-Type"]
+    response.body
+  end
 end

src/invidious/routes/login.cr

@@ -15,6 +15,7 @@ macro define_user_routes
   Invidious::Routing.get "/login", Invidious::Routes::Login, :login_page
   Invidious::Routing.post "/login", Invidious::Routes::Login, :login
   Invidious::Routing.post "/signout", Invidious::Routes::Login, :signout
+  Invidious::Routing.get "/Captcha", Invidious::Routes::Login, :captcha
 
   # User preferences
   Invidious::Routing.get "/preferences", Invidious::Routes::PreferencesRoute, :show