From 8c023eeabdb3874470e5db1a756ed1b62ea3ecf9 Mon Sep 17 00:00:00 2001
From: Christoph Wurst <christoph@winzerhof-wurst.at>
Date: Fri, 4 Oct 2019 12:10:43 +0200
Subject: Emit an event when the CSRF token changes

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>
---
 core/src/OC/index.js        | 12 +++++++++---
 core/src/OC/requesttoken.js | 14 ++++++--------
 2 files changed, 15 insertions(+), 11 deletions(-)

(limited to 'core/src/OC')

diff --git a/core/src/OC/index.js b/core/src/OC/index.js
index 0c95fe3e95f..01964b3ca4a 100644
--- a/core/src/OC/index.js
+++ b/core/src/OC/index.js
@@ -19,6 +19,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+import { subscribe } from '@nextcloud/event-bus'
+
 import { addScript, addStyle } from './legacy-loader'
 import {
 	ajaxConnectionLostHandler,
@@ -67,8 +69,7 @@ import {
 	getProtocol
 } from './host'
 import {
-	getToken as getRequestToken,
-	subscribe as subscribeToRequestTokenChange
+	getToken as getRequestToken
 } from './requesttoken'
 import {
 	hideMenus,
@@ -258,4 +259,9 @@ export default {
 }
 
 // Keep the request token prop in sync
-subscribeToRequestTokenChange(token => { OC.requestToken = token })
+subscribe('csrf-token-update', e => {
+	OC.requestToken = e.token
+
+	// Logging might help debug (Sentry) issues
+	console.info('OC.requestToken changed', e.token)
+})
diff --git a/core/src/OC/requesttoken.js b/core/src/OC/requesttoken.js
index a92eb169577..91b18069d75 100644
--- a/core/src/OC/requesttoken.js
+++ b/core/src/OC/requesttoken.js
@@ -19,24 +19,22 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+import { emit } from '@nextcloud/event-bus'
+
 let token = document.getElementsByTagName('head')[0].getAttribute('data-requesttoken')
-const observers = []
 
 /**
  * @returns {string}
  */
 export const getToken = () => token
 
-/**
- * @param {Function} observer observer
- * @returns {number}
- */
-export const subscribe = observer => observers.push(observer)
-
 /**
  * @param {String} newToken new token
  */
 export const setToken = newToken => {
 	token = newToken
-	observers.forEach(o => o(token))
+
+	emit('csrf-token-update', {
+		token
+	})
 }
-- 
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