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diff --git a/src/web/app/boot.ls b/src/web/app/boot.ls
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+#================================
+# MISSKEY BOOT LOADER
+#
+# Misskeyを起動します。
+# 1. 初期化
+# 2. ユーザー取得(ログインしていれば)
+# 3. アプリケーションをマウント
+#================================
+
+# LOAD DEPENDENCIES
+#--------------------------------
+
+riot = require \riot
+require \velocity
+log = require './common/scripts/log.ls'
+api = require './common/scripts/api.ls'
+signout = require './common/scripts/signout.ls'
+generate-default-userdata = require './common/scripts/generate-default-userdata.ls'
+mixins = require './common/mixins.ls'
+check-for-update = require './common/scripts/check-for-update.ls'
+require './common/tags.ls'
+
+# MISSKEY ENTORY POINT
+#--------------------------------
+
+# for subdomains
+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.for-each == undefined
+	NodeList.prototype.for-each = Array.prototype.for-each
+if HTMLCollection.prototype.for-each == undefined
+	HTMLCollection.prototype.for-each = Array.prototype.for-each
+
+# ↓ 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
+	local-storage.set-item \kyoppie \yuppie
+catch e
+	Storage.prototype.set-item = ~> # noop
+
+# MAIN PROCESS
+#--------------------------------
+
+log "Misskey (aoi) v:#{VERSION}"
+
+# Check for Update
+check-for-update!
+
+# Get token from cookie
+i = ((document.cookie.match /i=(\w+)/) || [null null]).1
+
+if i? then log "ME: #{i}"
+
+# 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
+	cached-me = JSON.parse local-storage.get-item \me
+
+	if cached-me?.data?.cache
+		fetched cached-me
+
+		# 後から新鮮なデータをフェッチ
+		fetchme i, true, (fresh-data) ~>
+			Object.assign cached-me, fresh-data
+			cached-me.trigger \updated
+	else
+		# キャッシュ無効なのにキャッシュが残ってたら掃除
+		if cached-me?
+			local-storage.remove-item \me
+
+		fetchme i, false, fetched
+
+	function fetched me
+
+		if me?
+			riot.observable me
+
+			if me.data.cache
+				local-storage.set-item \me JSON.stringify me
+
+				me.on \updated ~>
+					# キャッシュ更新
+					local-storage.set-item \me JSON.stringify me
+
+			log "Fetched! Hello #{me.username}."
+
+		# activate mixins
+		mixins me
+
+		# destroy loading screen
+		init = document.get-element-by-id \init
+		init.parent-node.remove-child init
+
+		# set main element
+		document.create-element \div
+			..set-attribute \id \app
+			.. |> document.body.append-child
+
+		# Call main proccess
+		try
+			callback me
+		catch error
+			panic error
+
+# ユーザーをフェッチしてコールバックする
+function fetchme token, silent, cb
+	me = null
+
+	# Return when not signed in
+	if not token? then return done!
+
+	# Fetch user
+	fetch "#{CONFIG.api.url}/i" do
+		method: \POST
+		headers:
+			'Content-Type': 'application/x-www-form-urlencoded; charset=utf-8'
+		body: "i=#token"
+	.then (res) ~>
+		# When failed to authenticate user
+		if res.status != 200 then signout!
+
+		i <~ res.json!.then
+		me := i
+		me.token = token
+
+		# initialize it if user data is empty
+		if me.data? then done! else init!
+	.catch ~>
+		if not silent
+			info = document.create-element \mk-core-error
+				|> document.body.append-child
+			riot.mount info, do
+				retry: ~> fetchme token, false, cb
+		else
+			# noop
+
+	function done
+		if cb? then cb me
+
+	function init
+		data = generate-default-userdata!
+
+		api token, \i/appdata/set do
+			data: JSON.stringify data
+		.then ~>
+			me.data = data
+			done!
+
+function panic e
+	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>'