Created
May 1, 2014 18:12
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Node.jsのメモリーストアをredisにする場合のsocket.ioとのセッションの共有
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module.exports = (SessionConfig, app, express) -> | |
sio = require "socket.io" | |
# Session Class | |
Session = express.session.Session | |
# sessionStore | |
# new RedisStore() | |
sessionStore = SessionConfig.getSessionStore().store | |
class SocketServer | |
_sioListenPort = 8080 | |
_socketServer = undefined | |
@setup : () -> | |
# socketioの起動 | |
_socketServer = sio.listen(_sioListenPort) | |
_serverConfig() | |
_setSocketServer(_socketServer) | |
console.log "SocketServer setup." | |
# Socket.ioの各種設定 | |
_serverConfig = () -> | |
_socketServer.set 'transports', ['websocket', 'flashsocket', 'htmlfile', 'xhr-polling', 'jsonp-polling'] | |
_socketServer.set 'log level', 1 | |
_socketServer.set 'authorization', (handshakeData, callBack) -> | |
if (!handshakeData.headers.cookie) | |
return callBack('not found Cookie', false) | |
# handshakeDataからcookieデータを抽出 | |
cookies = _parseCookie(handshakeData.headers.cookie) | |
# connect.sidが署名された状態なので、それを取り外している | |
sessionId = _removeSignature(cookies[app.get('cookieSessionKey')]) | |
# session情報を取り出す | |
_retrieveSession(handshakeData, cookies, sessionId, callBack) | |
# appServerにSocketServerを登録する | |
# module.parentを使って他からアクセスできるようになる | |
# app.setがexpressに依存しているものなので使うかどうか悩ましい... | |
_setSocketServer = (server) -> | |
app.set "SocketServer", server | |
_parseCookie = (cookie) -> | |
cookies = [] | |
re = cookie.replace(/\s+/g, '').split(';') | |
for c in re | |
parse = c.split('=') | |
cookies[parse[0]] = parse[1] | |
return cookies | |
_removeSignature = (sessionId) -> | |
reg = new RegExp(/s%3A/) | |
parse = sessionId.replace(reg, '') | |
index = parse.indexOf('.') | |
decodeURIComponent(parse.substr(0, index)) | |
_retrieveSession = (handshakeData, cookies, sessionId, callBack) -> | |
sessionStore.get sessionId, (err, session) -> | |
if (err) | |
return callBack(err.message, false) | |
# セッションが見つからなかった場合 | |
if (!session) | |
return callBack('session not found', false) | |
# socket.ioからセッションを参照できるようにする | |
# connectionを貼った後はsocket.handshake.session.usernameでアクセスできる | |
handshakeData.cookie = session.cookie | |
handshakeData.sessionId = session.sessionId | |
handshakeData.sessionStore = sessionStore | |
handshakeData.session = new Session(handshakeData, session) | |
callBack(null, true) | |
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