Sharkey/src/client/app/mios.ts

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import autobind from 'autobind-decorator';
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import Vue from 'vue';
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import { EventEmitter } from 'eventemitter3';
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import * as uuid from 'uuid';
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import initStore from './store';
import { apiUrl, version, locale } from './config';
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import Progress from './common/scripts/loading';
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import Err from './common/views/components/connect-failed.vue';
import Stream from './common/scripts/stream';
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//#region api requests
let spinner = null;
let pending = 0;
//#endregion
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/**
* Misskey Operating System
*/
export default class MiOS extends EventEmitter {
/**
* Misskeyの /meta
*/
private meta: {
data: { [x: string]: any };
chachedAt: Date;
};
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public get instanceName() {
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return this.meta ? (this.meta.data.name || 'Misskey') : 'Misskey';
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}
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private isMetaFetching = false;
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public app: Vue;
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/**
* Whether is debug mode
*/
public get debug() {
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return this.store ? this.store.state.device.debug : false;
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}
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public store: ReturnType<typeof initStore>;
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/**
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* A connection manager of home stream
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*/
public stream: Stream;
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/**
* A registration of service worker
*/
private swRegistration: ServiceWorkerRegistration = null;
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/**
* Whether should register ServiceWorker
*/
private shouldRegisterSw: boolean;
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/**
*
*/
public windows = new WindowSystem();
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/**
* MiOSインスタンスを作成します
* @param shouldRegisterSw ServiceWorkerを登録するかどうか
*/
constructor(shouldRegisterSw = false) {
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super();
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this.shouldRegisterSw = shouldRegisterSw;
if (this.debug) {
(window as any).os = this;
}
}
@autobind
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public log(...args) {
if (!this.debug) return;
console.log.apply(null, args);
}
@autobind
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public logInfo(...args) {
if (!this.debug) return;
console.info.apply(null, args);
}
@autobind
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public logWarn(...args) {
if (!this.debug) return;
console.warn.apply(null, args);
}
@autobind
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public logError(...args) {
if (!this.debug) return;
console.error.apply(null, args);
}
@autobind
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public signout() {
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this.store.dispatch('logout');
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location.href = '/';
}
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/**
* Initialize MiOS (boot)
* @param callback A function that call when initialized
*/
@autobind
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public async init(callback) {
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this.store = initStore(this);
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// ユーザーをフェッチしてコールバックする
const fetchme = (token, cb) => {
let me = null;
// Return when not signed in
if (token == null) {
return done();
}
// Fetch user
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fetch(`${apiUrl}/i`, {
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method: 'POST',
body: JSON.stringify({
i: token
})
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})
// When success
.then(res => {
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// When failed to authenticate user
if (res.status !== 200 && res.status < 500) {
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return this.signout();
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}
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// Parse response
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res.json().then(i => {
me = i;
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me.token = token;
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done();
});
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})
// When failure
.catch(() => {
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// Render the error screen
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document.body.innerHTML = '<div id="err"></div>';
new Vue({
render: createEl => createEl(Err)
}).$mount('#err');
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Progress.done();
});
function done() {
if (cb) cb(me);
}
};
// フェッチが完了したとき
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const fetched = () => {
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this.emit('signedin');
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this.initStream();
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// Finish init
callback();
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// Init service worker
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if (this.shouldRegisterSw) {
this.getMeta().then(data => {
this.registerSw(data.swPublickey);
});
}
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};
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// キャッシュがあったとき
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if (this.store.state.i != null) {
if (this.store.state.i.token == null) {
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this.signout();
return;
}
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// とりあえずキャッシュされたデータでお茶を濁して(?)おいて、
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fetched();
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// 後から新鮮なデータをフェッチ
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fetchme(this.store.state.i.token, freshData => {
this.store.dispatch('mergeMe', freshData);
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});
} else {
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// Get token from cookie or localStorage
const i = (document.cookie.match(/i=(!\w+)/) || [null, null])[1] || localStorage.getItem('i');
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fetchme(i, me => {
if (me) {
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this.store.dispatch('login', me);
fetched();
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} else {
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this.initStream();
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// Finish init
callback();
}
});
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}
}
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@autobind
private initStream() {
this.stream = new Stream(this);
if (this.store.getters.isSignedIn) {
const main = this.stream.useSharedConnection('main');
// 自分の情報が更新されたとき
main.on('meUpdated', i => {
this.store.dispatch('mergeMe', i);
});
main.on('readAllNotifications', () => {
this.store.dispatch('mergeMe', {
hasUnreadNotification: false
});
});
main.on('unreadNotification', () => {
this.store.dispatch('mergeMe', {
hasUnreadNotification: true
});
});
main.on('readAllMessagingMessages', () => {
this.store.dispatch('mergeMe', {
hasUnreadMessagingMessage: false
});
});
main.on('unreadMessagingMessage', () => {
this.store.dispatch('mergeMe', {
hasUnreadMessagingMessage: true
});
});
main.on('unreadMention', () => {
this.store.dispatch('mergeMe', {
hasUnreadMentions: true
});
});
main.on('readAllUnreadMentions', () => {
this.store.dispatch('mergeMe', {
hasUnreadMentions: false
});
});
main.on('unreadSpecifiedNote', () => {
this.store.dispatch('mergeMe', {
hasUnreadSpecifiedNotes: true
});
});
main.on('readAllUnreadSpecifiedNotes', () => {
this.store.dispatch('mergeMe', {
hasUnreadSpecifiedNotes: false
});
});
main.on('clientSettingUpdated', x => {
this.store.commit('settings/set', {
key: x.key,
value: x.value
});
});
// トークンが再生成されたとき
// このままではMisskeyが利用できないので強制的にサインアウトさせる
main.on('myTokenRegenerated', () => {
alert(locale['common']['my-token-regenerated'])
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this.signout();
});
}
}
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/**
* Register service worker
*/
@autobind
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private registerSw(swPublickey) {
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// Check whether service worker and push manager supported
const isSwSupported =
('serviceWorker' in navigator) && ('PushManager' in window);
// Reject when browser not service worker supported
if (!isSwSupported) return;
// Reject when not signed in to Misskey
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if (!this.store.getters.isSignedIn) return;
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// When service worker activated
navigator.serviceWorker.ready.then(registration => {
this.log('[sw] ready: ', registration);
this.swRegistration = registration;
// Options of pushManager.subscribe
// SEE: https://developer.mozilla.org/en-US/docs/Web/API/PushManager/subscribe#Parameters
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const opts = {
// A boolean indicating that the returned push subscription
// will only be used for messages whose effect is made visible to the user.
userVisibleOnly: true,
// A public key your push server will use to send
// messages to client apps via a push server.
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applicationServerKey: urlBase64ToUint8Array(swPublickey)
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};
// Subscribe push notification
this.swRegistration.pushManager.subscribe(opts).then(subscription => {
this.log('[sw] Subscribe OK:', subscription);
function encode(buffer: ArrayBuffer) {
return btoa(String.fromCharCode.apply(null, new Uint8Array(buffer)));
}
// Register
this.api('sw/register', {
endpoint: subscription.endpoint,
auth: encode(subscription.getKey('auth')),
publickey: encode(subscription.getKey('p256dh'))
});
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})
// When subscribe failed
.catch(async (err: Error) => {
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this.logError('[sw] Subscribe Error:', err);
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// 通知が許可されていなかったとき
if (err.name == 'NotAllowedError') {
this.logError('[sw] Subscribe failed due to notification not allowed');
return;
}
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// 違うapplicationServerKey (または gcm_sender_id)のサブスクリプションが
// 既に存在していることが原因でエラーになった可能性があるので、
// そのサブスクリプションを解除しておく
const subscription = await this.swRegistration.pushManager.getSubscription();
if (subscription) subscription.unsubscribe();
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});
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});
// The path of service worker script
const sw = `/sw.${version}.js`;
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// Register service worker
navigator.serviceWorker.register(sw).then(registration => {
// 登録成功
this.logInfo('[sw] Registration successful with scope: ', registration.scope);
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}).catch(err => {
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// 登録失敗 :(
this.logError('[sw] Registration failed: ', err);
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});
}
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public requests = [];
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/**
* Misskey APIにリクエストします
* @param endpoint
* @param data
*/
@autobind
public api(endpoint: string, data: { [x: string]: any } = {}, silent = false): Promise<{ [x: string]: any }> {
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if (!silent) {
if (++pending === 1) {
spinner = document.createElement('div');
spinner.setAttribute('id', 'wait');
document.body.appendChild(spinner);
}
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}
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const onFinally = () => {
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if (!silent) {
if (--pending === 0) spinner.parentNode.removeChild(spinner);
}
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};
const promise = new Promise((resolve, reject) => {
// Append a credential
if (this.store.getters.isSignedIn) (data as any).i = this.store.state.i.token;
const req = {
id: uuid(),
date: new Date(),
name: endpoint,
data,
res: null,
status: null
};
if (this.debug) {
this.requests.push(req);
}
// Send request
fetch(endpoint.indexOf('://') > -1 ? endpoint : `${apiUrl}/${endpoint}`, {
method: 'POST',
body: JSON.stringify(data),
credentials: endpoint === 'signin' ? 'include' : 'omit',
cache: 'no-cache'
}).then(async (res) => {
const body = res.status === 204 ? null : await res.json();
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if (this.debug) {
req.status = res.status;
req.res = body;
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}
if (res.status === 200) {
resolve(body);
} else if (res.status === 204) {
resolve();
} else {
reject(body.error);
}
}).catch(reject);
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});
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promise.then(onFinally, onFinally);
return promise;
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}
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/**
* Misskeyのメタ情報を取得します
*/
@autobind
public getMetaSync() {
return this.meta ? this.meta.data : null;
}
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/**
* Misskeyのメタ情報を取得します
* @param force
*/
@autobind
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public getMeta(force = false) {
return new Promise<{ [x: string]: any }>(async (res, rej) => {
if (this.isMetaFetching) {
this.once('_meta_fetched_', () => {
res(this.meta.data);
});
return;
}
const expire = 1000 * 60; // 1min
// forceが有効, meta情報を保持していない or 期限切れ
if (force || this.meta == null || Date.now() - this.meta.chachedAt.getTime() > expire) {
this.isMetaFetching = true;
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const meta = await this.api('meta', {
detail: false
});
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this.meta = {
data: meta,
chachedAt: new Date()
};
this.isMetaFetching = false;
this.emit('_meta_fetched_');
res(meta);
} else {
res(this.meta.data);
}
});
}
}
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class WindowSystem extends EventEmitter {
public windows = new Set();
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public add(window) {
this.windows.add(window);
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this.emit('added', window);
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}
public remove(window) {
this.windows.delete(window);
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this.emit('removed', window);
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}
public getAll() {
return this.windows;
}
}
/**
* Convert the URL safe base64 string to a Uint8Array
* @param base64String base64 string
*/
function urlBase64ToUint8Array(base64String: string): Uint8Array {
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;
}