From 34a6144c3aea360a52ab8c819b9743d39c8188e8 Mon Sep 17 00:00:00 2001
From: Thomas Citharel <tcit@tcit.fr>
Date: Wed, 11 Aug 2021 11:16:03 +0200
Subject: [PATCH] =?UTF-8?q?Handle=20service=20worker=20registration=20with?=
 =?UTF-8?q?=20Firefox=20=C2=AB=C2=A0forget=20all=20site=20data=C2=A0=C2=BB?=
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When the Firefox setting « Delete cookies and site data when Firefox is
closed », we can't register the service worker and then webpush
notification can't work

Closes #819

Signed-off-by: Thomas Citharel <tcit@tcit.fr>
---
 js/src/views/Settings/Notifications.vue | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/js/src/views/Settings/Notifications.vue b/js/src/views/Settings/Notifications.vue
index 8a4962fe..805e8bc8 100644
--- a/js/src/views/Settings/Notifications.vue
+++ b/js/src/views/Settings/Notifications.vue
@@ -686,10 +686,15 @@ export default class Notifications extends Vue {
   }
 
   async checkCanShowWebPush(): Promise<boolean> {
-    if (!window.isSecureContext || !("serviceWorker" in navigator))
+    try {
+      if (!window.isSecureContext || !("serviceWorker" in navigator))
+        return Promise.resolve(false);
+      const registration = await navigator.serviceWorker.getRegistration();
+      return registration !== undefined;
+    } catch (e) {
+      console.error(e);
       return Promise.resolve(false);
-    const registration = await navigator.serviceWorker.getRegistration();
-    return registration !== undefined;
+    }
   }
 
   async created(): Promise<void> {
@@ -713,9 +718,14 @@ export default class Notifications extends Vue {
   }
 
   private async isSubscribed(): Promise<boolean> {
-    if (!("serviceWorker" in navigator)) return Promise.resolve(false);
-    const registration = await navigator.serviceWorker.getRegistration();
-    return (await registration?.pushManager?.getSubscription()) != null;
+    try {
+      if (!("serviceWorker" in navigator)) return Promise.resolve(false);
+      const registration = await navigator.serviceWorker.getRegistration();
+      return (await registration?.pushManager?.getSubscription()) != null;
+    } catch (e) {
+      console.error(e);
+      return Promise.resolve(false);
+    }
   }
 
   private async deleteFeedToken(token: string): Promise<void> {