运行时输入控制台输出并输入错误的密码..
info: Listening on 127.0.0.1:3000
debug: GET /
debug: Incorrect password
/home/bob/git/authenticate-nodejs-prototype/node_modules/mongodb/lib/utils.js:98
process.nextTick(function() { throw err; });
^
TypeError: req.flash is not a function
at allFailed (/home/bob/git/authenticate-nodejs-prototype/node_modules/passport/lib/middleware/authenticate.js:118:15)
这是实际的代码。可能导致这种情况的任何想法? ..
var express = require('express'),
app = express(),
http = require('http').Server(app),
winston = require('winston'),
passport = require('passport'),
LocalStrategy = require('passport-local').Strategy,
ipaddress = '127.0.0.1',
port = 3000,
MongoClient = require('mongodb').MongoClient,
ObjectId = require('mongodb').ObjectID,
assert = require('assert'),
mongoUrl = 'mongodb://' + ipaddress + ':27017/authenticate-nodejs-prototype',
flash = require('connect-flash');
// during dev
winston.level = 'debug';
/*
* Database query
* Searches db for user that matches provided username
*/
var findUser = function (db, id, callback) {
var cursor = db.collection('userInfo').find({username: id.username});
var result = [];
cursor.each(function (err, doc) {
assert.equal(err, null);
if (doc !== null) {
result.push(doc);
} else {
callback(result);
}
});
};
// configure passport to use username and password authentication
passport.use(new LocalStrategy(
function(username, password, done) {
MongoClient.connect(mongoUrl, function (err, db) {
assert.equal(null, err);
findUser(db, {username:username, password:password}, function (result) {
db.close();
if (err) {
return done(err);
}else if (result === []) {
winston.debug('Incorrect username');
return done(null, false, { message: 'Incorrect username.' });
}else if (password !== result.password) {
winston.debug('Incorrect password');
return done(null, false, { message: 'Incorrect password.' }); // this is the line that causes error
}
return done(null, result);
});
});
}
));
passport.serializeUser(function(user, done) {
return done(null, user);
});
passport.deserializeUser(function(id, done) {
MongoClient.connect(mongoUrl, function (err, db) {
assert.equal(null, err);
findUser(db, id, function (result) {
db.close();
return done(null, result);
});
});
});
app.configure(function() {
app.use(express.static('public'));
app.use(express.cookieParser());
app.use(express.bodyParser());
app.use(express.session({ secret: 'keyboard cat' }));
app.use(passport.initialize());
app.use(passport.session());
app.use(app.router);
app.use(flash());
});
/*
* setup endpoints
*/
app.get('/', function(req, res){
winston.debug('GET /');
res.sendfile('views/index.html');
});
app.get('/success', function(req, res){
winston.debug('GET /success');
res.sendfile('views/success.html');
});
app.post('/login',
passport.authenticate('local', { successRedirect: '/success',
failureRedirect: '/',
failureFlash: true })
);
// start server
http.listen(port, ipaddress, function(){
winston.info('Listening on ' + ipaddress + ':' + port);
});
答案 0 :(得分:4)
您需要添加flash来表达,以便它可以用作中间件。
var flash = require('connect-flash');
...
app.use(flash());
编辑:原因是Flash实际上没有内置到Passport或Express中,它是由connect-flash
提供的单独包。所以你需要用npm安装它,然后如上所示包含它。