149 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			149 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /**
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|  * MISSKEY BOOT LOADER
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|  * (ENTRY POINT)
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|  */
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| 
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| /**
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|  * ドメインに基づいて適切なスクリプトを読み込みます。
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|  * ユーザーの言語およびモバイル端末か否かも考慮します。
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|  * webpackは介さないためrequireやimportは使えません。
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|  */
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| 
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| 'use strict';
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| 
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| (function() {
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| 	// キャッシュ削除要求があれば従う
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| 	if (localStorage.getItem('shouldFlush') == 'true') {
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| 		refresh();
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| 		return;
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| 	}
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| 
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| 	//#region Load settings
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| 	let settings = null;
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| 	const vuex = localStorage.getItem('vuex');
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| 	if (vuex) {
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| 		settings = JSON.parse(vuex);
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| 	}
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| 	//#endregion
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| 
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| 	// Get the current url information
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| 	const url = new URL(location.href);
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| 
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| 	//#region Detect app name
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| 	let app = null;
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| 
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| 	if (url.pathname == '/docs' || url.pathname.startsWith('/docs/')) app = 'docs';
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| 	if (url.pathname == '/dev' || url.pathname.startsWith('/dev/')) app = 'dev';
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| 	if (url.pathname == '/auth' || url.pathname.startsWith('/auth/')) app = 'auth';
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| 	//#endregion
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| 
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| 	//#region Detect the user language
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| 	let lang = navigator.language.split('-')[0];
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| 
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| 	// The default language is English
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| 	if (!LANGS.includes(lang)) lang = 'en';
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| 
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| 	if (settings) {
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| 		if (settings.device.lang) lang = settings.device.lang;
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| 	}
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| 	//#endregion
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| 
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| 	// Detect the user agent
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| 	const ua = navigator.userAgent.toLowerCase();
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| 	const isMobile = /mobile|iphone|ipad|android/.test(ua);
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| 
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| 	// Get the <head> element
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| 	const head = document.getElementsByTagName('head')[0];
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| 
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| 	// If mobile, insert the viewport meta tag
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| 	if (isMobile) {
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| 		const meta = document.createElement('meta');
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| 		meta.setAttribute('name', 'viewport');
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| 		meta.setAttribute('content',
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| 			'width=device-width,' +
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| 			'initial-scale=1,' +
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| 			'minimum-scale=1,' +
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| 			'maximum-scale=1,' +
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| 			'user-scalable=no');
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| 		head.appendChild(meta);
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| 	}
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| 
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| 	// Switch desktop or mobile version
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| 	if (app == null) {
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| 		app = isMobile ? 'mobile' : 'desktop';
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| 	}
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| 
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| 	// Dark/Light
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| 	if (settings) {
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| 		if (settings.device.darkmode) {
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| 			document.documentElement.setAttribute('data-darkmode', 'true');
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| 		}
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| 	}
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| 
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| 	// Script version
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| 	const ver = localStorage.getItem('v') || VERSION;
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| 
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| 	// Get salt query
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| 	const salt = localStorage.getItem('salt')
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| 		? '?salt=' + localStorage.getItem('salt')
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| 		: '';
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| 
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| 	// Load an app script
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| 	// Note: 'async' make it possible to load the script asyncly.
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| 	//       'defer' make it possible to run the script when the dom loaded.
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| 	const script = document.createElement('script');
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| 	script.setAttribute('src', `/assets/${app}.${ver}.${lang}.js${salt}`);
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| 	script.setAttribute('async', 'true');
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| 	script.setAttribute('defer', 'true');
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| 	head.appendChild(script);
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| 
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| 	// 3秒経ってもスクリプトがロードされない場合はバージョンが古くて
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| 	// 404になっているせいかもしれないので、バージョンを確認して古ければ更新する
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| 	//
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| 	// 読み込まれたスクリプトからこのタイマーを解除できるように、
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| 	// グローバルにタイマーIDを代入しておく
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| 	window.mkBootTimer = window.setTimeout(async () => {
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| 		// Fetch meta
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| 		const res = await fetch(API + '/meta', {
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| 			method: 'POST',
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| 			cache: 'no-cache'
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| 		});
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| 
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| 		// Parse
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| 		const meta = await res.json();
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| 
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| 		// Compare versions
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| 		if (meta.clientVersion != ver) {
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| 			localStorage.setItem('v', meta.clientVersion);
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| 
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| 			alert(
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| 				'Misskeyの新しいバージョンがあります。ページを再度読み込みします。' +
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| 				'\n\n' +
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| 				'New version of Misskey available. The page will be reloaded.');
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| 
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| 			refresh();
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| 		}
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| 	}, 3000);
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| 
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| 	function refresh() {
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| 		localStorage.setItem('shouldFlush', 'false');
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| 
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| 		// Random
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| 		localStorage.setItem('salt', Math.random().toString());
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| 
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| 		// Clear cache (serive worker)
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| 		try {
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| 			navigator.serviceWorker.controller.postMessage('clear');
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| 
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| 			navigator.serviceWorker.getRegistrations().then(registrations => {
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| 				registrations.forEach(registration => registration.unregister());
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| 			});
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| 		} catch (e) {
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| 			console.error(e);
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| 		}
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| 
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| 		// Force reload
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| 		location.reload(true);
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| 	}
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| })();
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