From 897199910fc29d17b4a019b6ee2473e138d777a2 Mon Sep 17 00:00:00 2001
From: abcang <abcang1015@gmail.com>
Date: Tue, 17 Apr 2018 22:23:46 +0900
Subject: [PATCH] Improve web api protect (#6343)

---
 app/controllers/api/web/base_controller.rb             |  9 +++++++++
 app/controllers/api/web/embeds_controller.rb           |  2 +-
 .../api/web/push_subscriptions_controller.rb           |  3 +--
 app/controllers/api/web/settings_controller.rb         |  2 +-
 .../mastodon/actions/push_notifications/registerer.js  | 10 +++++-----
 app/javascript/mastodon/actions/settings.js            |  2 +-
 6 files changed, 18 insertions(+), 10 deletions(-)
 create mode 100644 app/controllers/api/web/base_controller.rb

diff --git a/app/controllers/api/web/base_controller.rb b/app/controllers/api/web/base_controller.rb
new file mode 100644
index 000000000..8da549b3a
--- /dev/null
+++ b/app/controllers/api/web/base_controller.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class Api::Web::BaseController < Api::BaseController
+  protect_from_forgery with: :exception
+
+  rescue_from ActionController::InvalidAuthenticityToken do
+    render json: { error: "Can't verify CSRF token authenticity." }, status: 422
+  end
+end
diff --git a/app/controllers/api/web/embeds_controller.rb b/app/controllers/api/web/embeds_controller.rb
index 2ed516161..f2fe74b17 100644
--- a/app/controllers/api/web/embeds_controller.rb
+++ b/app/controllers/api/web/embeds_controller.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class Api::Web::EmbedsController < Api::BaseController
+class Api::Web::EmbedsController < Api::Web::BaseController
   respond_to :json
 
   before_action :require_user!
diff --git a/app/controllers/api/web/push_subscriptions_controller.rb b/app/controllers/api/web/push_subscriptions_controller.rb
index c611031ab..249e7c186 100644
--- a/app/controllers/api/web/push_subscriptions_controller.rb
+++ b/app/controllers/api/web/push_subscriptions_controller.rb
@@ -1,10 +1,9 @@
 # frozen_string_literal: true
 
-class Api::Web::PushSubscriptionsController < Api::BaseController
+class Api::Web::PushSubscriptionsController < Api::Web::BaseController
   respond_to :json
 
   before_action :require_user!
-  protect_from_forgery with: :exception
 
   def create
     active_session = current_session
diff --git a/app/controllers/api/web/settings_controller.rb b/app/controllers/api/web/settings_controller.rb
index f6739d506..e3178bf48 100644
--- a/app/controllers/api/web/settings_controller.rb
+++ b/app/controllers/api/web/settings_controller.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class Api::Web::SettingsController < Api::BaseController
+class Api::Web::SettingsController < Api::Web::BaseController
   respond_to :json
 
   before_action :require_user!
diff --git a/app/javascript/mastodon/actions/push_notifications/registerer.js b/app/javascript/mastodon/actions/push_notifications/registerer.js
index f17d929a6..60b215f02 100644
--- a/app/javascript/mastodon/actions/push_notifications/registerer.js
+++ b/app/javascript/mastodon/actions/push_notifications/registerer.js
@@ -36,7 +36,7 @@ const subscribe = (registration) =>
 const unsubscribe = ({ registration, subscription }) =>
   subscription ? subscription.unsubscribe().then(() => registration) : registration;
 
-const sendSubscriptionToBackend = (getState, subscription) => {
+const sendSubscriptionToBackend = (subscription) => {
   const params = { subscription };
 
   if (me) {
@@ -46,7 +46,7 @@ const sendSubscriptionToBackend = (getState, subscription) => {
     }
   }
 
-  return api(getState).post('/api/web/push_subscriptions', params).then(response => response.data);
+  return api().post('/api/web/push_subscriptions', params).then(response => response.data);
 };
 
 // Last one checks for payload support: https://web-push-book.gauntface.com/chapter-06/01-non-standards-browsers/#no-payload
@@ -85,13 +85,13 @@ export function register () {
             } else {
               // Something went wrong, try to subscribe again
               return unsubscribe({ registration, subscription }).then(subscribe).then(
-                subscription => sendSubscriptionToBackend(getState, subscription));
+                subscription => sendSubscriptionToBackend(subscription));
             }
           }
 
           // No subscription, try to subscribe
           return subscribe(registration).then(
-            subscription => sendSubscriptionToBackend(getState, subscription));
+            subscription => sendSubscriptionToBackend(subscription));
         })
         .then(subscription => {
           // If we got a PushSubscription (and not a subscription object from the backend)
@@ -134,7 +134,7 @@ export function saveSettings() {
     const alerts = state.get('alerts');
     const data = { alerts };
 
-    api(getState).put(`/api/web/push_subscriptions/${subscription.get('id')}`, {
+    api().put(`/api/web/push_subscriptions/${subscription.get('id')}`, {
       data,
     }).then(() => {
       if (me) {
diff --git a/app/javascript/mastodon/actions/settings.js b/app/javascript/mastodon/actions/settings.js
index 5634a11ef..6bf85e464 100644
--- a/app/javascript/mastodon/actions/settings.js
+++ b/app/javascript/mastodon/actions/settings.js
@@ -24,7 +24,7 @@ const debouncedSave = debounce((dispatch, getState) => {
 
   const data = getState().get('settings').filter((_, path) => path !== 'saved').toJS();
 
-  api(getState).put('/api/web/settings', { data })
+  api().put('/api/web/settings', { data })
     .then(() => dispatch({ type: SETTING_SAVE }))
     .catch(error => dispatch(showAlertForError(error)));
 }, 5000, { trailing: true });