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misskey/src/web/app/boot.js

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/**
* boot
*/
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const riot = require('riot');
require('velocity');
const api = require('./common/scripts/api.ls');
const signout = require('./common/scripts/signout.ls');
const generateDefaultUserdata = require('./common/scripts/generate-default-userdata.ls');
const mixins = require('./common/mixins.ls');
const checkForUpdate = require('./common/scripts/check-for-update.ls');
require('./common/tags.ls');
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/**
* MISSKEY ENTORY POINT!
*/
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document.domain = CONFIG.host;
// ↓ iOS待ちPolyfill (SEE: http://caniuse.com/#feat=fetch)
require('fetch');
// ↓ NodeList、HTMLCollectionで forEach を使えるようにする
if (NodeList.prototype.forEach === undefined) {
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NodeList.prototype.forEach = Array.prototype.forEach;
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}
if (HTMLCollection.prototype.forEach === undefined) {
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HTMLCollection.prototype.forEach = Array.prototype.forEach;
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}
// ↓ iOSでプライベートモードだとlocalStorageが使えないので既存のメソッドを上書きする
try {
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localStorage.setItem('kyoppie', 'yuppie');
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} catch (e) {
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Storage.prototype.setItem = () => { }; // noop
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}
// Check for Update
checkForUpdate();
// Get token from cookie
const i = (document.cookie.match(/i=(\w+)/) || [null, null])[1];
// ユーザーをフェッチしてコールバックする
module.exports = callback => {
// Get cached account data
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let cachedMe = JSON.parse(localStorage.getItem('me'));
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if (cachedMe != null && cachedMe.data != null && cachedMe.data.cache) {
fetched(cachedMe);
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// 後から新鮮なデータをフェッチ
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fetchme(i, true, freshData => {
Object.assign(cachedMe, freshData);
cachedMe.trigger('updated');
});
} else {
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// キャッシュ無効なのにキャッシュが残ってたら掃除
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if (cachedMe != null) {
localStorage.removeItem('me');
}
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fetchme(i, false, fetched);
}
function fetched(me) {
if (me != null) {
riot.observable(me);
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if (me.data.cache) {
localStorage.setItem('me', JSON.stringify(me));
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me.on('updated', () => {
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// キャッシュ更新
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localStorage.setItem('me', JSON.stringify(me));
});
}
}
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mixins(me);
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const init = document.getElementById('init');
init.parentNode.removeChild(init);
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const app = document.createElement('div');
app.setAttribute('id', 'app');
document.body.appendChild(app);
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try {
callback(me);
} catch (e) {
panic(e);
}
}
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};
// ユーザーをフェッチしてコールバックする
function fetchme(token, silent, cb) {
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let me = null;
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// Return when not signed in
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if (token == null) {
return done();
}
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// Fetch user
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fetch(CONFIG.api.url + "/i", {
method: 'POST',
headers: {
'Content-Type': 'application/x-www-form-urlencoded; charset=utf-8'
},
body: "i=" + token
}).then(res => {
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// When failed to authenticate user
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if (res.status !== 200) {
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return signout();
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}
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res.json().then(i => {
me = i;
me.token = token;
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// initialize it if user data is empty
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if (me.data != null) {
done();
} else {
init();
}
});
}).catch(() => {
if (!silent) {
const info = document.body.appendChild(document.createElement('mk-core-error'));
riot.mount(info, {
retry: () => {
fetchme(token, false, cb);
}
});
}
});
function done() {
if (cb != null) {
cb(me);
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}
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}
function init() {
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const data = generateDefaultUserdata();
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api(token, 'i/appdata/set', {
data: JSON.stringify(data)
}).then(() => {
me.data = data;
done();
});
}
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}
function panic(e) {
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console.error(e);
document.body.innerHTML = '<div id="error"><p>致命的な問題が発生しました。</p></div>';
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}