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How does the cookie-session middleware work in expressjs?


How does the cookie-session middleware work in expressjs?

By : user2956464
Date : November 22 2020, 10:56 AM


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Expressjs secure session cookie

Expressjs secure session cookie


By : Taysir
Date : March 29 2020, 07:55 AM
ExpressJS session cookie is not updated

ExpressJS session cookie is not updated


By : Ibrahim
Date : March 29 2020, 07:55 AM
ExpressJs res.sendFile doesn't work after middleware

ExpressJs res.sendFile doesn't work after middleware


By : lotov
Date : March 29 2020, 07:55 AM
To fix the issue you can do res.sendFile() is asynchronous and it will end its own response if it is successful.
So, when you call res.end() right after you start res.sendFile() you are ending the response before the code has actually sent the file.
code :
app.get('/miao', function (req, res) {

    res.sendFile(__dirname + '/pubblica/inserisciutente.html', function(err) {
        if (err) {
            res.status(err.status).end();
        }
    });
});
Expressjs, async and middleware does not work properly

Expressjs, async and middleware does not work properly


By : Andy
Date : March 29 2020, 07:55 AM
Hope this helps As you pointed out, the problem is that getData returns immediately. async does not 'escape async', it is a set of patterns around control flow in an async fashion. The result is still async. Also, DO NOT use the "deasync" library.
You might be interested in koa which uses generators (requires ES6 - i.e. Node v4 or Node 0.12 with --harmony) in order to let you write code that is less 'callback' driven. e.g. this would be koa middleware:
code :
app.use(function*(next) {
  res.locals['data'] = yield getData(req.hostname, 40, 'demo');
  yield* next;
});
How is 'req.session' change detected in cookie-session middleware?

How is 'req.session' change detected in cookie-session middleware?


By : Fear
Date : March 29 2020, 07:55 AM
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