[英]passport.js req.user is returning: 'Promise { false }' - How do I get the current sessions' username?
[英]JS promise. Some node js and passport js. How can I get an internal structure from promise { {} }? req.user
我無法從 req.user 獲取項目,當我嘗試查看 req.user 中的內容時,它顯示:
Promise {
{
login: 'login',
password: '$2b$10$sivL/8KvPYzlN/b24nWNOOa7pd02WX',
id: 12,
role: 'user'
}
}
原來我可以 output Promise { {} },但是我只需要內部結構,如何獲取進一步處理(僅以角色為例)?
req.user
在那里設置(根據指南)
const LocalStrategy = require('passport-local').Strategy
const bcrypt = require('bcrypt')
function initialize(passport, getUserByEmail, getUserById) {
const authenticateUser = async (email, password, done) => {
const user = await getUserByEmail(email)
if (user == null) {
return done(null, false, { message: 'No user with that email' })
}
try {
if (await bcrypt.compare(password, user.password)) {
return done(null, user)
} else {
return done(null, false, { message: 'Password incorrect' })
}
} catch (e) {
return done(e)
}
}
passport.use(new LocalStrategy({ usernameField: 'email' }, authenticateUser))
passport.serializeUser((user, done) => done(null, user.id))
passport.deserializeUser((id, done) => {
return done(null, getUserById(id))
})
}
module.exports = initialize
編輯:看到你的策略后,我可以看到問題出在deserializeUser
中。 看起來getUserById
返回一個 promise,所以你需要先得到結果:
passport.deserializeUser(async (id, done) => {
const user = await getUserById(id);
return done(null, user);
})
以前的答案,以防它幫助別人:
您的問題很可能出在您的登錄策略中,而不是您想要使用req.user
的地方。
假設您使用 LocalStrategy 作為護照,您將在回調中返回最終解析的用戶記錄,如下所示:
passport.use(new LocalStrategy(
function(username, password, done) {
// Example service returning a promise
UserService.loginWithPassword({ username, password }.then((user) => {
if (!user) return done(null, false);
return done(null, user);
}).catch(error => {
return done(err);
});
}
));
如果您不使用await
或then
解決 promise 問題,您最終會得到 req.user 的req.user
就像您在問題中遇到的那樣:
passport.use(new LocalStrategy(
function(username, password, done) {
// Example service returning a promise
const user = UserService.loginWithPassword({ username, password });
// user will always be a promise here
if (!user) return done(null, false);
return done(null, user);
// now `req.user` is the promise, instead of the user object
}
));
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