add service worker and push notifications

This commit is contained in:
Egor Kislitsyn 2018-12-06 20:34:00 +07:00
parent 3fa9b39150
commit 09147cacea
4 changed files with 135 additions and 2 deletions

View file

@ -21,12 +21,13 @@ const afterStoreSetup = ({store, i18n}) => {
window.fetch('/api/statusnet/config.json')
.then((res) => res.json())
.then((data) => {
const {name, closed: registrationClosed, textlimit, server} = data.site
const { name, closed: registrationClosed, textlimit, server, vapidPublicKey } = data.site
store.dispatch('setInstanceOption', { name: 'name', value: name })
store.dispatch('setInstanceOption', { name: 'registrationOpen', value: (registrationClosed === '0') })
store.dispatch('setInstanceOption', { name: 'textlimit', value: parseInt(textlimit) })
store.dispatch('setInstanceOption', { name: 'server', value: server })
store.dispatch('setInstanceOption', { name: 'vapidPublicKey', value: vapidPublicKey })
var apiConfig = data.site.pleromafe

View file

@ -2,6 +2,8 @@ import backendInteractorService from '../services/backend_interactor_service/bac
import { compact, map, each, merge } from 'lodash'
import { set } from 'vue'
import registerPushNotifications from '../services/push/push.js'
// TODO: Unify with mergeOrAdd in statuses.js
export const mergeOrAdd = (arr, obj, item) => {
if (!item) { return false }
@ -125,6 +127,8 @@ const users = {
// Fetch our friends
store.rootState.api.backendInteractor.fetchFriends({id: user.id})
.then((friends) => commit('addNewUsers', friends))
registerPushNotifications(store)
})
} else {
// Authentication failed

96
src/services/push/push.js Normal file
View file

@ -0,0 +1,96 @@
function urlBase64ToUint8Array (base64String) {
const padding = '='.repeat((4 - base64String.length % 4) % 4)
const base64 = (base64String + padding)
.replace(/-/g, '+')
.replace(/_/g, '/')
const rawData = window.atob(base64)
return Uint8Array.from([...rawData].map((char) => char.charCodeAt(0)))
}
function isPushSupported () {
return 'serviceWorker' in navigator && 'PushManager' in window
}
function registerServiceWorker () {
return navigator.serviceWorker.register('/static/sw.js')
.then(function (registration) {
console.log('Service worker successfully registered.')
return registration
})
.catch(function (err) {
console.error('Unable to register service worker.', err)
})
}
function askPermission () {
return new Promise(function (resolve, reject) {
if (!window.Notification) return resolve('Notifications disabled')
const permissionResult = window.Notification.requestPermission(function (result) {
resolve(result)
})
if (permissionResult) permissionResult.then(resolve, reject)
}).then(function (permissionResult) {
if (permissionResult !== 'granted') {
throw new Error('We weren\'t granted permission.')
}
return permissionResult
})
}
function subscribe (registration, store) {
const subscribeOptions = {
userVisibleOnly: true,
applicationServerKey: urlBase64ToUint8Array(store.rootState.instance.vapidPublicKey)
}
return registration.pushManager.subscribe(subscribeOptions)
}
function sendSubscriptionToBackEnd (subscription, store) {
return window.fetch('/api/v1/push/subscription/', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Authorization': `Bearer ${store.rootState.oauth.token}`
},
body: JSON.stringify({
subscription,
data: {
alerts: {
follow: true,
favourite: true,
mention: true,
reblog: true
}
}
})
})
.then(function (response) {
if (!response.ok) {
throw new Error('Bad status code from server.')
}
return response.json()
})
.then(function (responseData) {
if (!responseData.id) {
throw new Error('Bad response from server.')
}
return responseData
})
}
export default function registerPushNotifications (store) {
if (isPushSupported()) {
registerServiceWorker()
.then(function (registration) {
return askPermission()
.then(() => subscribe(registration, store))
.then((subscription) => sendSubscriptionToBackEnd(subscription, store))
.catch((e) => console.warn(`Failed to setup Web Push Notifications: ${e.message}`))
})
}
}

32
static/sw.js Normal file
View file

@ -0,0 +1,32 @@
/* eslint-env serviceworker */
self.addEventListener('push', function (event) {
if (event.data) {
const data = event.data.json()
const promiseChain = clients.matchAll({
includeUncontrolled: true
}).then(function (clientList) {
const list = clientList.filter((item) => item.type === 'window')
if (list.length) return
return self.registration.showNotification(data.title, data)
})
event.waitUntil(promiseChain)
}
})
self.addEventListener('notificationclick', function (event) {
event.notification.close()
event.waitUntil(clients.matchAll({
includeUncontrolled: true
}).then(function (clientList) {
const list = clientList.filter((item) => item.type === 'window')
for (var i = 0; i < list.length; i++) {
var client = list[i]
if (client.url === '/' && 'focus' in client) { return client.focus() }
}
if (clients.openWindow) { return clients.openWindow('/') }
}))
})