I'm currently making simple user-authentication app.
now I'm done with backend process with node js and passport.
what I've done was returning json response if authentication goes well or not.
router.post('/register', (req, res) => {
if(!utils.emailChecker(req.body.username)) {
return res.status(403).json({
error: "Invalid Username",
code: 403
});
}
if(!utils.passwordChecker(req.body.password)) {
return res.status(403).json({
error: "Invalid Password",
code: 403
});
}
//mysql query : variables must be inside "" or '';
let sql = `SELECT * FROM users WHERE username="${req.body.username}"`;
connection.query(sql, (err, result) => {
if(err) throw err;
if(utils.duplicateChecker(result)) {
return res.status(409).json({
error: "Username Exist",
code: 409
});
} else {
hasher({password: req.body.password}, (err, pass, salt, hash) => {
let user = {
authId: 'local: '+req.body.username,
username: req.body.username,
password: hash,
salt: salt,
displayName: req.body.displayName
};
let sql = 'INSERT INTO users SET ?';
connection.query(sql, user, (err, rows) => {
if(err) {
throw new Error("register error!");
} else {
req.login(user, (err) => {
req.session.save(() => {
return res.json({ success: true });
});
});
}
});
});
}
});
});
As you can see above, every time request makes error or goes perfect, json that contains error & code or success property is returned.
What I want to do is that getting these jsons via http service of angular2.
@Injectable()
export class UserAuthenticationService {
private loginUrl = "http://localhost:4200/auth/login";
private registerSuccessUrl = "http://localhost:4200/auth/register";
headers = new Headers({
'Content-Type': 'application/json'
});
constructor(private http: Http) { }
/*
body: {
username,
password,
}
*/
logIn(user: Object) {
return this.http
.post(this.registerSuccessUrl, JSON.stringify(user),
{ headers: this.headers });
}
What I've tried is this way. Make http post request using backend url. and implement function on AuthComponent.
export class AuthComponent {
username: string = '';
password: string = '';
remembered: boolean = false;
submitted = false;
constructor(private userAuthenticationService: UserAuthenticationService) {}
onsubmit() {
this.userAuthenticationService.logIn({ username: this.username, password: this.password });
this.submitted = true;
}
}
But result is I just get json object on screen. { success: true }!
How can I get this json object thru http call and make use of 'success' property?
via 이준형
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