[FIX] Race conditions on/before login

app/authorization/client/startup.js

@@ -1,4 +1,5 @@
 import { Meteor } from 'meteor/meteor';
+import { Tracker } from 'meteor/tracker';
 
 import { hasAtLeastOnePermission } from './hasPermission';
 import { CachedCollectionManager } from '../../ui-cached-collection';
@@ -28,5 +29,12 @@ Meteor.startup(() => {
 		},
 		removed: (role) => Roles.remove({ _id: role.name }),
 	};
-	rolesStreamer.on('roles', (role) => events[role.type](role));
+
+	Tracker.autorun((c) => {
+		if (!Meteor.userId()) {
+			return;
+		}
+		rolesStreamer.on('roles', (role) => events[role.type](role));
+		c.stop();
+	});
 });

app/ui-sidenav/client/userPresence.js

@@ -88,6 +88,9 @@ Tracker.autorun(() => {
 });
 
 Template.userPresence.onRendered(function() {
+	if (!this.data || !this.data.uid) {
+		return;
+	}
 	data.set(this.firstNode, this.data);
 	if (featureExists) {
 		return observer.observe(this.firstNode);

app/webdav/client/startup/sync.js

@@ -11,9 +11,10 @@ const events = {
 };
 
 Tracker.autorun(async () => {
-	if (Meteor.userId()) {
-		const { accounts } = await APIClient.v1.get('webdav.getMyAccounts');
-		accounts.forEach((account) => WebdavAccounts.insert(account));
+	if (!Meteor.userId()) {
+		return;
 	}
+	const { accounts } = await APIClient.v1.get('webdav.getMyAccounts');
+	accounts.forEach((account) => WebdavAccounts.insert(account));
 	Notifications.onUser('webdav', ({ type, account }) => events[type](account));
 });

client/lib/userData.js

@@ -9,7 +9,7 @@ export const isSyncReady = new ReactiveVar(false);
 
 function updateUser(userData) {
 	const user = Users.findOne({ _id: userData._id });
-	if (!user || userData._updatedAt > user._updatedAt.toISOString()) {
+	if (!user || !user._updatedAt || userData._updatedAt > user._updatedAt.toISOString()) {
 		userData._updatedAt = new Date(userData._updatedAt);
 		return Meteor.users.upsert({ _id: userData._id }, userData);
 	}