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[英]passport Unknown authentication strategy “local”, “facebook”, “google”
[英]Error: Unknown authentication strategy “local” (Express & Passport)
我正在嘗試在快遞應用程序中使用護照身份驗證。
router.get('/signup', (req ,res) => {
res.render('signup');
});
router.post('/signup', function(req, res, next) {
var username = req.body.username;
var password = req.body.password;
User.findOne({ username: username }, function(err, user) {
if(err) { return next(err); }
if(user) {
req.flash('error', 'User already exists');
return res.redirect('/signup');
}
var newUser = new User({
username: username,
password: password
});
newUser.save(next);
});
}, passport.authenticate('local', {
successRedirect: '/',
failureRedirect: '/signup',
failureFlash: true
}));
每次我嘗試注冊測試用戶時,它都可以,但它會顯示如下錯誤:
Error: Unknown authentication strategy "local"
你能告訴我一些事情嗎?
看起來您還沒有設置Passport來使用您的護照本地策略。 您需要導入它,實例化它,然后指示Passport使用它。 這是一個例子:
var LocalStrategy = require('passport-local').Strategy;
passport.use(new LocalStrategy(
function(username, password, done) {
User.findOne({ username: username }, function (err, user) {
if (err) { return done(err); }
if (!user) { return done(null, false); }
if (!user.verifyPassword(password)) { return done(null, false); }
return done(null, user);
});
}
));
router.post('/signup', function(req, res, next) {
var username = req.body.username;
var password = req.body.password;
User.findOne({ username: username }, function(err, user) {
if(err) { return next(err); }
if(user) {
req.flash('error', 'User already exists');
return res.redirect('/signup');
}
var newUser = new User({
username: username,
password: password
});
newUser.save(next);
passport.authenticate('local', { failureRedirect: '/signup' }),
function(req, res) {
res.redirect('/');
});
});
});
嘗試在本地之后使用回調函數而不是傳遞對象。 像這樣的東西:
router.post("/register", function(req, res){
var newUser = new User({username: req.body.username});
User.register(newUser, req.body.password, function(err, user){
if(err){
req.flash("error", err.message); //such as the username is taken or no username entered etc.
res.redirect("/register");
} else {
passport.authenticate("local")(req, res, function(){
res.redirect("/");
});
}
});
});
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