Re: [loopbackjs] Loopback Api + Proxy 401 Unauthorized on login

[Raymond Feng]

Did you set up bodyParser.json() middleware and make sure the login request has ‘Content-Type: application/json’ header? You should print out req.body to see if it contains the correct credentials.

Thanks,

---

Raymond Feng

Co-Founder and Architect @ StrongLoop, Inc.

StrongLoop makes it easy to develop APIs in Node, plus get DevOps capabilities like monitoring, debugging and clustering.

On Jul 16, 2015, at 5:48 AM, Loïc LE PENN <loic....@gmail.com> wrote:

Hi,

I have an api loopback which work well with Strongloop Api Explorer.

I try to make it work with a node proxy using module request. But when i try to login by the proxy i get the following error :

{

  "error": {

    "name": "Error",

    "status": 401,

    "message": "Authorization Required",

    "statusCode": 401,

    "code": "AUTHORIZATION_REQUIRED",

    "stack": "Error: Authorization Required\n    at c:\\Users\\WFSZ8297\\Desktop\\VlanManager\\TEASeT-server\\node_modules\\loopback\\lib\\application.js:348:21\n    at c:\\Users\\WFSZ8297\\Desktop\\VlanManager\\TEASeT-server\\node_modules\\loopback\\lib\\model.js:313:7\n    at c:\\Users\\WFSZ8297\\Desktop\\VlanManager\\TEASeT-server\\node_modules\\loopback\\common\\models\\acl.js:465:23\n    at c:\\Users\\WFSZ8297\\Desktop\\VlanManager\\TEASeT-server\\node_modules\\loopback\\node_modules\\async\\lib\\async.js:251:17\n    at done (c:\\Users\\WFSZ8297\\Desktop\\VlanManager\\TEASeT-server\\node_modules\\loopback\\node_modules\\async\\lib\\async.js:132:19)\n    at c:\\Users\\WFSZ8297\\Desktop\\VlanManager\\TEASeT-server\\node_modules\\loopback\\node_modules\\async\\lib\\async.js:32:16\n    at c:\\Users\\WFSZ8297\\Desktop\\VlanManager\\TEASeT-server\\node_modules\\loopback\\node_modules\\async\\lib\\async.js:248:21\n    at c:\\Users\\WFSZ8297\\Desktop\\VlanManager\\TEASeT-server\\node_modules\\loopback\\node_modules\\async\\lib\\async.js:572:34\n    at c:\\Users\\WFSZ8297\\Desktop\\VlanManager\\TEASeT-server\\node_modules\\loopback\\common\\models\\acl.js:447:17\n    at c:\\Users\\WFSZ8297\\Desktop\\VlanManager\\TEASeT-server\\node_modules\\loopback\\common\\models\\role.js:215:21"

  }

}

I use a model which override User model and use exactly the same acl as the build in model on login. 

proxy code  :

// Dépendances

var http = require('http'),

    express = require('express'),

    app = express(),

    request = require('request');

    var host = 'localhost';    

    var port = 3001;

//app.use(express.cookieParser());

app.post('/api/users/login', function (req, res) {

    console.log(req.headers);

    request({

        url: 'http://localhost:3000/api/users/login',

        //headers:req.header

        body: req.body

    }, function(error, response, body){

        if (!error && response.statusCode == 200) {

            res.status(200).send();

        }

        else if(error){

            console.log(error);

            res.status(503).send();

        }

        else{

            console.log(response.body)

            res.status(response.statusCode).send(response.body);

        }

    });

});

/*app.post('/logout', function (req, res, next) {

});

app.all('/api/*', function (req, res, next) {

    

});*/

    

var server = app.listen(port,host, function () {

  console.log('Example app listening at http://%s:%s', host, port);

});

Savez vous comment résoudre ce problème ?

Cordialement,

Loïc Le PENN

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[Loïc LE PENN]

Hi,

I have solved this issue. i haven't set up bodyParser but i also forgot to specify method in module request so he just can't login because request work with get by default i think.

Thank you for this quick anwser.