Add sanity checks for permissions

source/lib/notifications-service.js

@@ -7,6 +7,7 @@ import {makeApiRequest, getNotifications, getTabUrl, getGitHubOrigin} from './ap
 import {getNotificationReasonText} from './defaults.js';
 import {openTab} from './tabs-service.js';
 import localStore from './local-store.js';
+import {queryPermission} from './permissions-service.js';
 
 function getLastReadForNotification(notification) {
  // Extract the specific fragment URL for a notification
@@ -107,6 +108,11 @@ export function getNotificationObject(notificationInfo) {
 }
 
 export async function showNotifications(notifications) {
+ const permissionGranted = await queryPermission('notifications');
+ if (!permissionGranted) {
+ return;
+ }
+
  for (const notification of notifications) {
  const notificationId = `github-notifier-${notification.id}`;
  const notificationObject = getNotificationObject(notification);

source/lib/tabs-service.js

@@ -1,6 +1,7 @@
 import browser from 'webextension-polyfill';
 import optionsStorage from '../options-storage.js';
 import {isChrome} from '../util.js';
+import {queryPermission} from './permissions-service.js';
 
 export const emptyTabUrls = isChrome() ? [
  'chrome://newtab/',
@@ -22,8 +23,8 @@ export async function queryTabs(urlList) {
 
 export async function openTab(url) {
  const {reuseTabs} = await optionsStorage.getAll();
-
- if (reuseTabs) {
+ const permissionGranted = await queryPermission('tabs');
+ if (reuseTabs && permissionGranted) {
  const matchingUrls = [url];
  if (url.endsWith('/notifications')) {
  matchingUrls.push(url + '?query=is%3Aunread');