socket.request.user在Passport.js、Socket.io和Express中未定义 [英] socket.request.user undefined in Passport.js, Socket.io, and Express
本文介绍了socket.request.user在Passport.js、Socket.io和Express中未定义的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我正在学习NodeJS、Express和Socket.io通过教程,本教程使用以前版本的NodeJS、Express和Socket.io访问userID。我正在使用当前版本执行相同的操作,但不成功,我调整了代码以符合当前版本,但得到的结果是空字符串。
会话:
"use strict";
const session = require("express-session");
const MongoStore = require("connect-mongo")(session);
const config = require("../config");
const db = require("../db");
if (process.env.NODE_ENV === "production") {
// Initialize session with settings for production
module.exports = session({
secret: config.sessionSecret,
resave: false,
saveUninitialized: false,
store: new MongoStore({
mongooseConnection: db.Mongoose.connection,
}),
});
} else {
module.exports = session({
secret: config.sessionSecret,
resave: false,
saveUninitialized: true,
store: new MongoStore({
mongooseConnection: db.Mongoose.connection,
}),
});
}
服务器
"use strict";
const express = require("express");
const ChatCAT = require("./app");
const passport = require("passport");
const app = express();
app.set("port", process.env.PORT || 3000);
app.use(express.static("public"));
app.set("view engine", "ejs");
app.use(ChatCAT.session);
app.use(passport.initialize());
app.use(passport.session());
app.use("/", ChatCAT.router);
let port = app.get("port");
ChatCAT.ioServer(app, passport).listen(port, () => {
console.log("ChatCAT Running on Port: ", port);
});
Socket.IO
io.of("/chatter").on("connection", (socket) => {
// Join a chatroom
socket.on("join", (data) => {
let usersList = helper.addUserToRoom(allrooms, data, socket);
// Update the list of active users as shown on the chatroom page
console.log("usersList: ", usersList);
// console.log("sessionID: ", socket.request.session);
});
});
addUserToRoom函数
let addUserToRoom = (allrooms, data, socket) => {
// Get the room object
let getRoom = findRoomById(allrooms, data.roomID);
if (getRoom !== undefined) {
// Get the active user's ID(ObjectID as used in session)
// let userID = socket.request.session.passport.user;
let userID = socket.request.user ? socket.request.user.id : "";
//let userID = socket.request.session.passport.user;
// Check to see if this user already exist in the chatroom
let checkUser = getRoom.users.findIndex((element, index, array) => {
// console.log("elementID: ", element.userID);
if (element.userID === userID) {
return true;
} else {
return false;
}
});
// If the user is already present in the room, remove the user first
if (checkUser > -1) {
getRoom.users.splice(checkUser, 1);
}
// Push the user into the room's users array
getRoom.users.push({
socketID: socket.id,
userID,
user: data.user,
userPic: data.userPic,
});
// Join the room channel
socket.join(data.roomID);
// Return the updated room object
return getRoom;
}
};
创建IO服务器实例
let ioServer = (app, passport) => {
app.locals.chatrooms = [];
const server = require("http").createServer(app);
const io = require("socket.io")(server);
const wrap = (middleware) => (socket, next) =>
middleware(socket.request, {}, next);
io.use(wrap(require("./session")));
io.use(wrap(passport.initialize()));
io.use(wrap(passport.session()));
io.use((socket, next) => {
if (socket.request.user) {
next();
} else {
next(new Error("unauthorized"));
}
});
require("./socket")(io, app);
return server;
};
您可以在下图中看到,我在userid中得到一个空字符串
更新
我调整了代码以使用passport.ockketio,但是当我打印socket.request到控制台时,我的userid中仍然得到相同的空字符串,但是当我打印socket.request.user时,我得到的是未定义的:
let ioServer = (app, cookieParser) => {
app.locals.chatrooms = [];
const config = require("./config");
const server = require("http").Server(app);
const io = require("socket.io")(server);
const passportSocketIo = require("passport.socketio");
const sessionStore = require("./session");
const helper = require("./helpers");
io.use(
passportSocketIo.authorize({
cookieParser: cookieParser,
key: "connect.sid",
secret: config.sessionSecret,
store: sessionStore.store,
success: helper.onAuthorizeSuccess,
fail: helper.onAuthorizeFail,
})
);
const socket = require("./socket");
socket(io, app);
return server;
};
推荐答案
对于努力解决此问题的任何人,如果使用Express&>4.0,则基于此帖子,您不需要使用passportSocketIo https://github.com/socketio/socket.io/blob/master/examples/passport-example/index.js#L76-L80//
您只需要这段代码,而不是使用passportSocketIO。
const wrap = middleware => (socket, next) => middleware(socket.request, {}, next);
io.of(<your namespace>).use(wrap(sessionMiddleware)); //if using passport, it will be socket.request.session.passport.user
io.of(<your namespace>).use(wrap(passport.initialize()));
io.of(<your namespace>).use(wrap(passport.session())); // this sets it to socket.request.user
您的userid为空的主要原因是您使用的是Chatter命名空间
io.of("/chatter")
不要附加会话中间件,就像这样
io.of("/chatter").use(wrap(ChatCAT.session)); //if using passport, it will be socket.request.session.passport.user
io.of("/chatter").use(wrap(passport.initialize()));
io.of("/chatter").use(wrap(passport.session())); // this sets it to socket.request.user
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