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Merge pull request #290 from chriswmartin/web-push-updates

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Web push updates
main
beatrix 7 years ago committed by GitHub
parent b4e667f86b 72b99f6ee4
commit f441770e50
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GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 228 additions and 139 deletions
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23
app/javascript/flavours/glitch/actions/push_notifications/index.js
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@ -0,0 +1,23 @@
import {
SET_BROWSER_SUPPORT,
SET_SUBSCRIPTION,
CLEAR_SUBSCRIPTION,
SET_ALERTS,
setAlerts,
} from './setter';
import { register, saveSettings } from './registerer';
export {
SET_BROWSER_SUPPORT,
SET_SUBSCRIPTION,
CLEAR_SUBSCRIPTION,
SET_ALERTS,
register,
};
export function changeAlerts(key, value) {
return dispatch => {
dispatch(setAlerts(key, value));
dispatch(saveSettings());
};
}

149
app/javascript/flavours/glitch/actions/push_notifications/registerer.js
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@ -0,0 +1,149 @@
import axios from 'axios';
import { pushNotificationsSetting } from 'flavours/glitch/util/settings';
import { setBrowserSupport, setSubscription, clearSubscription } from './setter';
// Taken from https://www.npmjs.com/package/web-push
const urlBase64ToUint8Array = (base64String) => {
const padding = '='.repeat((4 - base64String.length % 4) % 4);
const base64 = (base64String + padding)
.replace(/\-/g, '+')
.replace(/_/g, '/');
const rawData = window.atob(base64);
const outputArray = new Uint8Array(rawData.length);
for (let i = 0; i < rawData.length; ++i) {
outputArray[i] = rawData.charCodeAt(i);
}
return outputArray;
};
const getApplicationServerKey = () => document.querySelector('[name="applicationServerKey"]').getAttribute('content');
const getRegistration = () => navigator.serviceWorker.ready;
const getPushSubscription = (registration) =>
registration.pushManager.getSubscription()
.then(subscription => ({ registration, subscription }));
const subscribe = (registration) =>
registration.pushManager.subscribe({
userVisibleOnly: true,
applicationServerKey: urlBase64ToUint8Array(getApplicationServerKey()),
});
const unsubscribe = ({ registration, subscription }) =>
subscription ? subscription.unsubscribe().then(() => registration) : registration;
const sendSubscriptionToBackend = (subscription, me) => {
const params = { subscription };
if (me) {
const data = pushNotificationsSetting.get(me);
if (data) {
params.data = data;
}
}
return axios.post('/api/web/push_subscriptions', params).then(response => response.data);
};
// Last one checks for payload support: https://web-push-book.gauntface.com/chapter-06/01-non-standards-browsers/#no-payload
const supportsPushNotifications = ('serviceWorker' in navigator && 'PushManager' in window && 'getKey' in PushSubscription.prototype);
export function register () {
return (dispatch, getState) => {
dispatch(setBrowserSupport(supportsPushNotifications));
const me = getState().getIn(['meta', 'me']);
if (me && !pushNotificationsSetting.get(me)) {
const alerts = getState().getIn(['push_notifications', 'alerts']);
if (alerts) {
pushNotificationsSetting.set(me, { alerts: alerts });
}
}
if (supportsPushNotifications) {
if (!getApplicationServerKey()) {
console.error('The VAPID public key is not set. You will not be able to receive Web Push Notifications.');
return;
}
getRegistration()
.then(getPushSubscription)
.then(({ registration, subscription }) => {
if (subscription !== null) {
// We have a subscription, check if it is still valid
const currentServerKey = (new Uint8Array(subscription.options.applicationServerKey)).toString();
const subscriptionServerKey = urlBase64ToUint8Array(getApplicationServerKey()).toString();
const serverEndpoint = getState().getIn(['push_notifications', 'subscription', 'endpoint']);
// If the VAPID public key did not change and the endpoint corresponds
// to the endpoint saved in the backend, the subscription is valid
if (subscriptionServerKey === currentServerKey && subscription.endpoint === serverEndpoint) {
return subscription;
} else {
// Something went wrong, try to subscribe again
return unsubscribe({ registration, subscription }).then(subscribe).then(
subscription => sendSubscriptionToBackend(subscription, me));
}
}
// No subscription, try to subscribe
return subscribe(registration).then(
subscription => sendSubscriptionToBackend(subscription, me));
})
.then(subscription => {
// If we got a PushSubscription (and not a subscription object from the backend)
// it means that the backend subscription is valid (and was set during hydration)
if (!(subscription instanceof PushSubscription)) {
dispatch(setSubscription(subscription));
if (me) {
pushNotificationsSetting.set(me, { alerts: subscription.alerts });
}
}
})
.catch(error => {
if (error.code === 20 && error.name === 'AbortError') {
console.warn('Your browser supports Web Push Notifications, but does not seem to implement the VAPID protocol.');
} else if (error.code === 5 && error.name === 'InvalidCharacterError') {
console.error('The VAPID public key seems to be invalid:', getApplicationServerKey());
}
// Clear alerts and hide UI settings
dispatch(clearSubscription());
if (me) {
pushNotificationsSetting.remove(me);
}
try {
getRegistration()
.then(getPushSubscription)
.then(unsubscribe);
} catch (e) {
}
});
} else {
console.warn('Your browser does not support Web Push Notifications.');
}
};
}
export function saveSettings() {
return (_, getState) => {
const state = getState().get('push_notifications');
const subscription = state.get('subscription');
const alerts = state.get('alerts');
const data = { alerts };
axios.put(`/api/web/push_subscriptions/${subscription.get('id')}`, {
data,
}).then(() => {
const me = getState().getIn(['meta', 'me']);
if (me) {
pushNotificationsSetting.set(me, data);
}
});
};
}

24
app/javascript/flavours/glitch/actions/push_notifications.js → app/javascript/flavours/glitch/actions/push_notifications/setter.js
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@ -1,9 +1,7 @@
import axios from 'axios';
export const SET_BROWSER_SUPPORT = 'PUSH_NOTIFICATIONS_SET_BROWSER_SUPPORT';
export const SET_SUBSCRIPTION = 'PUSH_NOTIFICATIONS_SET_SUBSCRIPTION';
export const CLEAR_SUBSCRIPTION = 'PUSH_NOTIFICATIONS_CLEAR_SUBSCRIPTION';
export const ALERTS_CHANGE = 'PUSH_NOTIFICATIONS_ALERTS_CHANGE';
export const SET_ALERTS = 'PUSH_NOTIFICATIONS_SET_ALERTS';
export function setBrowserSupport (value) {
return {
@ -25,28 +23,12 @@ export function clearSubscription () {
};
}
export function changeAlerts(key, value) {
export function setAlerts (key, value) {
return dispatch => {
dispatch({
type: ALERTS_CHANGE,
type: SET_ALERTS,
key,
value,
});
dispatch(saveSettings());
};
}
export function saveSettings() {
return (_, getState) => {
const state = getState().get('push_notifications');
const subscription = state.get('subscription');
const alerts = state.get('alerts');
axios.put(`/api/web/push_subscriptions/${subscription.get('id')}`, {
data: {
alerts,
},
});
};
}

1
app/javascript/flavours/glitch/features/notifications/components/column_settings.js
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@ -11,7 +11,6 @@ export default class ColumnSettings extends React.PureComponent {
settings: ImmutablePropTypes.map.isRequired,
pushSettings: ImmutablePropTypes.map.isRequired,
onChange: PropTypes.func.isRequired,
onSave: PropTypes.func.isRequired,
onClear: PropTypes.func.isRequired,
};

9
app/javascript/flavours/glitch/features/notifications/containers/column_settings_container.js
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@ -1,9 +1,9 @@
import { connect } from 'react-redux';
import { defineMessages, injectIntl } from 'react-intl';
import ColumnSettings from '../components/column_settings';
import { changeSetting, saveSettings } from 'flavours/glitch/actions/settings';
import { changeSetting } from 'flavours/glitch/actions/settings';
import { clearNotifications } from 'flavours/glitch/actions/notifications';
import { changeAlerts as changePushNotifications, saveSettings as savePushNotificationSettings } from 'flavours/glitch/actions/push_notifications';
import { changeAlerts as changePushNotifications } from 'flavours/glitch/actions/push_notifications';
import { openModal } from 'flavours/glitch/actions/modal';
const messages = defineMessages({
@ -26,11 +26,6 @@ const mapDispatchToProps = (dispatch, { intl }) => ({
}
},
onSave () {
dispatch(saveSettings());
dispatch(savePushNotificationSettings());
},
onClear () {
dispatch(openModal('CONFIRM', {
message: intl.formatMessage(messages.clearMessage),

4
app/javascript/flavours/glitch/reducers/push_notifications.js
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@ -1,5 +1,5 @@
import { STORE_HYDRATE } from 'flavours/glitch/actions/store';
import { SET_BROWSER_SUPPORT, SET_SUBSCRIPTION, CLEAR_SUBSCRIPTION, ALERTS_CHANGE } from 'flavours/glitch/actions/push_notifications';
import { SET_BROWSER_SUPPORT, SET_SUBSCRIPTION, CLEAR_SUBSCRIPTION, SET_ALERTS } from 'flavours/glitch/actions/push_notifications';
import Immutable from 'immutable';
const initialState = Immutable.Map({
@ -43,7 +43,7 @@ export default function push_subscriptions(state = initialState, action) {
return state.set('browserSupport', action.value);
case CLEAR_SUBSCRIPTION:
return initialState;
case ALERTS_CHANGE:
case SET_ALERTS:
return state.setIn(action.key, action.value);
default:
return state;

6
app/javascript/flavours/glitch/util/main.js
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@ -1,5 +1,5 @@
import * as WebPushSubscription from './web_push_subscription';
import Mastodon from 'flavours/glitch/containers/mastodon';
import * as registerPushNotifications from 'flavours/glitch/actions/push_notifications';
import { default as Mastodon, store } from 'flavours/glitch/containers/mastodon';
import React from 'react';
import ReactDOM from 'react-dom';
import ready from './ready';
@ -25,7 +25,7 @@ function main() {
if (process.env.NODE_ENV === 'production') {
// avoid offline in dev mode because it's harder to debug
require('offline-plugin/runtime').install();
WebPushSubscription.register();
store.dispatch(registerPushNotifications.register());
}
perf.stop('main()');

46
app/javascript/flavours/glitch/util/settings.js
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@ -0,0 +1,46 @@
export default class Settings {
constructor(keyBase = null) {
this.keyBase = keyBase;
}
generateKey(id) {
return this.keyBase ? [this.keyBase, `id${id}`].join('.') : id;
}
set(id, data) {
const key = this.generateKey(id);
try {
const encodedData = JSON.stringify(data);
localStorage.setItem(key, encodedData);
return data;
} catch (e) {
return null;
}
}
get(id) {
const key = this.generateKey(id);
try {
const rawData = localStorage.getItem(key);
return JSON.parse(rawData);
} catch (e) {
return null;
}
}
remove(id) {
const data = this.get(id);
if (data) {
const key = this.generateKey(id);
try {
localStorage.removeItem(key);
} catch (e) {
}
}
return data;
}
}
export const pushNotificationsSetting = new Settings('mastodon_push_notification_data');

105
app/javascript/flavours/glitch/util/web_push_subscription.js
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@ -1,105 +0,0 @@
import axios from 'axios';
import { store } from 'flavours/glitch/containers/mastodon';
import { setBrowserSupport, setSubscription, clearSubscription } from 'flavours/glitch/actions/push_notifications';
// Taken from https://www.npmjs.com/package/web-push
const urlBase64ToUint8Array = (base64String) => {
const padding = '='.repeat((4 - base64String.length % 4) % 4);
const base64 = (base64String + padding)
.replace(/\-/g, '+')
.replace(/_/g, '/');
const rawData = window.atob(base64);
const outputArray = new Uint8Array(rawData.length);
for (let i = 0; i < rawData.length; ++i) {
outputArray[i] = rawData.charCodeAt(i);
}
return outputArray;
};
const getApplicationServerKey = () => document.querySelector('[name="applicationServerKey"]').getAttribute('content');
const getRegistration = () => navigator.serviceWorker.ready;
const getPushSubscription = (registration) =>
registration.pushManager.getSubscription()
.then(subscription => ({ registration, subscription }));
const subscribe = (registration) =>
registration.pushManager.subscribe({
userVisibleOnly: true,
applicationServerKey: urlBase64ToUint8Array(getApplicationServerKey()),
});
const unsubscribe = ({ registration, subscription }) =>
subscription ? subscription.unsubscribe().then(() => registration) : registration;
const sendSubscriptionToBackend = (subscription) =>
axios.post('/api/web/push_subscriptions', {
subscription,
}).then(response => response.data);
// Last one checks for payload support: https://web-push-book.gauntface.com/chapter-06/01-non-standards-browsers/#no-payload
const supportsPushNotifications = ('serviceWorker' in navigator && 'PushManager' in window && 'getKey' in PushSubscription.prototype);
export function register () {
store.dispatch(setBrowserSupport(supportsPushNotifications));
if (supportsPushNotifications) {
if (!getApplicationServerKey()) {
console.error('The VAPID public key is not set. You will not be able to receive Web Push Notifications.');
return;
}
getRegistration()
.then(getPushSubscription)
.then(({ registration, subscription }) => {
if (subscription !== null) {
// We have a subscription, check if it is still valid
const currentServerKey = (new Uint8Array(subscription.options.applicationServerKey)).toString();
const subscriptionServerKey = urlBase64ToUint8Array(getApplicationServerKey()).toString();
const serverEndpoint = store.getState().getIn(['push_notifications', 'subscription', 'endpoint']);
// If the VAPID public key did not change and the endpoint corresponds
// to the endpoint saved in the backend, the subscription is valid
if (subscriptionServerKey === currentServerKey && subscription.endpoint === serverEndpoint) {
return subscription;
} else {
// Something went wrong, try to subscribe again
return unsubscribe({ registration, subscription }).then(subscribe).then(sendSubscriptionToBackend);
}
}
// No subscription, try to subscribe
return subscribe(registration).then(sendSubscriptionToBackend);
})
.then(subscription => {
// If we got a PushSubscription (and not a subscription object from the backend)
// it means that the backend subscription is valid (and was set during hydration)
if (!(subscription instanceof PushSubscription)) {
store.dispatch(setSubscription(subscription));
}
})
.catch(error => {
if (error.code === 20 && error.name === 'AbortError') {
console.warn('Your browser supports Web Push Notifications, but does not seem to implement the VAPID protocol.');
} else if (error.code === 5 && error.name === 'InvalidCharacterError') {
console.error('The VAPID public key seems to be invalid:', getApplicationServerKey());
}
// Clear alerts and hide UI settings
store.dispatch(clearSubscription());
try {
getRegistration()
.then(getPushSubscription)
.then(unsubscribe);
} catch (e) {
}
});
} else {
console.warn('Your browser does not support Web Push Notifications.');
}
}
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