Merge branch 'push_fix' into 'develop'

Fixes for push notifications

Closes #235

See merge request pleroma/pleroma-fe!433

src/main.js

@@ -54,24 +54,21 @@ const persistedStateOptions = {
 const registerPushNotifications = store => {
   store.subscribe((mutation, state) => {
     const vapidPublicKey = state.instance.vapidPublicKey
+    const webPushNotification = state.config.webPushNotifications
     const permission = state.interface.notificationPermission === 'granted'
-    const isUserMutation = mutation.type === 'setCurrentUser'
-
-    if (isUserMutation && vapidPublicKey && permission) {
-      return store.dispatch('registerPushNotifications')
-    }
-
     const user = state.users.currentUser
+
+    const isUserMutation = mutation.type === 'setCurrentUser'
     const isVapidMutation = mutation.type === 'setInstanceOption' && mutation.payload.name === 'vapidPublicKey'
-
-    if (isVapidMutation && user && permission) {
-      return store.dispatch('registerPushNotifications')
-    }
-
     const isPermMutation = mutation.type === 'setNotificationPermission' && mutation.payload === 'granted'
+    const isUserConfigMutation = mutation.type === 'setOption' && mutation.payload.name === 'webPushNotifications'
 
-    if (isPermMutation && user && vapidPublicKey) {
-      return store.dispatch('registerPushNotifications')
+    if (isUserMutation || isVapidMutation || isPermMutation || isUserConfigMutation) {
+      if (user && vapidPublicKey && permission && webPushNotification) {
+        return store.dispatch('registerPushNotifications')
+      } else if (isUserConfigMutation && !webPushNotification) {
+        return store.dispatch('unregisterPushNotifications')
+      }
     }
   })
 }

src/modules/config.js

@@ -24,7 +24,7 @@ const defaultState = {
     likes: true,
     repeats: true
   },
-  webPushNotifications: true,
+  webPushNotifications: false,
   muteWords: [],
   highlight: {},
   interfaceLanguage: browserLocale,

src/modules/users.js

@@ -1,7 +1,7 @@
 import backendInteractorService from '../services/backend_interactor_service/backend_interactor_service.js'
 import { compact, map, each, merge } from 'lodash'
 import { set } from 'vue'
-import registerPushNotifications from '../services/push/push.js'
+import { registerPushNotifications, unregisterPushNotifications } from '../services/push/push.js'
 import oauthApi from '../services/new_api/oauth'
 import { humanizeErrors } from './errors'
 
@@ -116,6 +116,11 @@ const users = {
 
       registerPushNotifications(isEnabled, vapidPublicKey, token)
     },
+    unregisterPushNotifications (store) {
+      const token = store.state.currentUser.credentials
+
+      unregisterPushNotifications(token)
+    },
     addNewStatuses (store, { statuses }) {
       const users = map(statuses, 'user')
       const retweetedUsers = compact(map(statuses, 'retweeted_status.user'))

src/services/push/push.js

@@ -14,12 +14,12 @@ function isPushSupported () {
   return 'serviceWorker' in navigator && 'PushManager' in window
 }
 
-function registerServiceWorker () {
+function getOrCreateServiceWorker () {
   return runtime.register()
-    .catch((err) => console.error('Unable to register service worker.', err))
+    .catch((err) => console.error('Unable to get or create a service worker.', err))
 }
 
-function subscribe (registration, isEnabled, vapidPublicKey) {
+function subscribePush (registration, isEnabled, vapidPublicKey) {
   if (!isEnabled) return Promise.reject(new Error('Web Push is disabled in config'))
   if (!vapidPublicKey) return Promise.reject(new Error('VAPID public key is not found'))
 
@@ -30,6 +30,27 @@ function subscribe (registration, isEnabled, vapidPublicKey) {
   return registration.pushManager.subscribe(subscribeOptions)
 }
 
+function unsubscribePush (registration) {
+  return registration.pushManager.getSubscription()
+    .then((subscribtion) => {
+      if (subscribtion === null) { return }
+      return subscribtion.unsubscribe()
+    })
+}
+
+function deleteSubscriptionFromBackEnd (token) {
+  return window.fetch('/api/v1/push/subscription/', {
+    method: 'DELETE',
+    headers: {
+      'Content-Type': 'application/json',
+      'Authorization': `Bearer ${token}`
+    }
+  }).then((response) => {
+    if (!response.ok) throw new Error('Bad status code from server.')
+    return response
+  })
+}
+
 function sendSubscriptionToBackEnd (subscription, token) {
   return window.fetch('/api/v1/push/subscription/', {
     method: 'POST',
@@ -48,22 +69,42 @@ function sendSubscriptionToBackEnd (subscription, token) {
         }
       }
     })
+  }).then((response) => {
+    if (!response.ok) throw new Error('Bad status code from server.')
+    return response.json()
+  }).then((responseData) => {
+    if (!responseData.id) throw new Error('Bad response from server.')
+    return responseData
   })
-    .then((response) => {
-      if (!response.ok) throw new Error('Bad status code from server.')
-      return response.json()
-    })
-    .then((responseData) => {
-      if (!responseData.id) throw new Error('Bad response from server.')
-      return responseData
-    })
 }
 
-export default function registerPushNotifications (isEnabled, vapidPublicKey, token) {
+export function registerPushNotifications (isEnabled, vapidPublicKey, token) {
   if (isPushSupported()) {
-    registerServiceWorker()
-      .then((registration) => subscribe(registration, isEnabled, vapidPublicKey))
+    getOrCreateServiceWorker()
+      .then((registration) => subscribePush(registration, isEnabled, vapidPublicKey))
       .then((subscription) => sendSubscriptionToBackEnd(subscription, token))
       .catch((e) => console.warn(`Failed to setup Web Push Notifications: ${e.message}`))
   }
 }
+
+export function unregisterPushNotifications (token) {
+  if (isPushSupported()) {
+    Promise.all([
+      deleteSubscriptionFromBackEnd(token),
+      getOrCreateServiceWorker()
+        .then((registration) => {
+          return unsubscribePush(registration).then((result) => [registration, result])
+        })
+        .then(([registration, unsubResult]) => {
+          if (!unsubResult) {
+            console.warn('Push subscription cancellation wasn\'t successful, killing SW anyway...')
+          }
+          return registration.unregister().then((result) => {
+            if (!result) {
+              console.warn('Failed to kill SW')
+            }
+          })
+        })
+    ]).catch((e) => console.warn(`Failed to disable Web Push Notifications: ${e.message}`))
+  }
+}

static/config.json

@@ -16,5 +16,6 @@
   "alwaysShowSubjectInput": true,
   "hidePostStats": false,
   "hideUserStats": false,
-  "loginMethod": "password"
+  "loginMethod": "password",
+  "webPushNotifications": false
 }