1 files changed, 29 insertions, 0 deletions
diff --git a/app/controllers/google_api/authorizations_controller.rb b/app/controllers/google_api/authorizations_controller.rb
new file mode 100644
index 00000000000..5551057ff55
--- /dev/null
+++ b/app/controllers/google_api/authorizations_controller.rb
@@ -0,0 +1,29 @@
+module GoogleApi
+  class AuthorizationsController < ApplicationController
+    def callback
+      token, expires_at = GoogleApi::CloudPlatform::Client
+        .new(nil, callback_google_api_auth_url)
+        .get_token(params[:code])
+
+      session[GoogleApi::CloudPlatform::Client.session_key_for_token] = token
+      session[GoogleApi::CloudPlatform::Client.session_key_for_expires_at] =
+        expires_at.to_s
+
+      state_redirect_uri = redirect_uri_from_session_key(params[:state])
+
+      if state_redirect_uri
+        redirect_to state_redirect_uri
+      else
+        redirect_to root_path
+      end
+    end
+
+    private
+
+    def redirect_uri_from_session_key(state)
+      key = GoogleApi::CloudPlatform::Client
+        .session_key_for_redirect_uri(params[:state])
+      session[key] if key
+    end
+  end
+end