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Proper way to combine route and api auth using loopback.js


Proper way to combine route and api auth using loopback.js

By : Николай Сухорский
Date : November 14 2020, 04:48 PM
hope this fix your issue LoopBack is unopinionated on the session mechanism you use. It simply provides tokens and controls access via token verification. For your case, I assume you want to use the combination of both. Take a look at these two examples for a more in depth tutorial:
https://github.com/strongloop/loopback-example-passport
code :


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How To Deny Access In Loopback's 'AUTH' Middleware

How To Deny Access In Loopback's 'AUTH' Middleware


By : Honigdax Guides
Date : March 29 2020, 07:55 AM
hop of those help? You would handle this like you would any other authentication check. So if your logic is, "if some session variable isn't defined, go to a login route, otherwise carry on", then your logic would be simply that. Check for the session var, redirect on it not existing, and if everything is ok, just next(). (You want to add next as a third argument to your middleware function.)
Combine ASP.NET Membership auth and HTTP auth in MVC application

Combine ASP.NET Membership auth and HTTP auth in MVC application


By : Yuri Planzo
Date : March 29 2020, 07:55 AM
This might help you One way is to override the OnAuthorize method of AuthorizeAttribute, check for the existence of an Authorization header, and if you find it, extract and validate the credentials, and then create the IPrincipal by hand. Otherwise, call the base.OnAuthorization so that the usual .NET membership things happen.
source:
code :
public class RoleAuthorizeAttribute : AuthorizeAttribute
{
    public override void OnAuthorization(AuthorizationContext filterContext)
    {
        bool basicValidated = false;
        var req = filterContext.HttpContext.Request;
        var auth = req.Headers["Authorization"];
        if (!string.IsNullOrEmpty(auth))
        {
            var cred = System.Text.Encoding.ASCII.GetString(Convert.FromBase64String(auth.Substring(6))).Split(':');
            var userName = cred[0];
            var pass = cred[1];
            var membership = new AccountMembershipService();
            basicValidated = membership.ValidateUser(userName, pass);
            if (!basicValidated)
            {
                base.OnAuthorization(filterContext);
            }
            else
            {
                var roles = System.Web.Security.Roles.GetRolesForUser(userName);
                IPrincipal principal = new GenericPrincipal(
                    new GenericIdentity(userName),roles);
                Thread.CurrentPrincipal = principal;
                System.Web.HttpContext.Current.User = principal;
            }
        } else
        {
            base.OnAuthorization(filterContext);
        }


    }
}
what is the difference between Auth::routes() and Route::auth() in laravel

what is the difference between Auth::routes() and Route::auth() in laravel


By : Jack-M
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further Using Auth::routes() or Route::auth() is equivalent. Infact Auth::routes() is defined as:
code :
/**
 * Register the typical authentication routes for an application.
 *
 * @return void
 */
public static function routes()
{
    static::$app->make('router')->auth();
} 
How to implement JWT auth on Loopback REST API?

How to implement JWT auth on Loopback REST API?


By : Zapeos
Date : March 29 2020, 07:55 AM
help you fix your problem In simple words, you need to know who is making the call. If you'd use the default loopback authentication you would see that in the req object there is accessToken property which identifies the user. If you want to use JWT there are plenty of ready modules you could use, eg. loopback-jwt or loopback-jwt-advanced.
In general, what you need to do is to apply a middleware that will be responsible for authorization of your user( I strongly recommend you to get familiar with the middleware term). In simple words, middleware is a layer that your requests are going through and you can modify it's a body or reject the request.
How to use loopback IP to retrieve auth token

How to use loopback IP to retrieve auth token


By : Mónica Pérez Martín
Date : March 29 2020, 07:55 AM
may help you . Found two ways of doing this. One is to use TcpListener and bind to Loopback IP. The response comes back as stream which you would need to further parse it to get the data you want and is a huge pain.
Another way is to use HttpListener
code :
        using (HttpListener listener = new HttpListener())
        {
            listener.Prefixes.Add("http://localhost:{port}/"); //Only listen to this particular address
            listener.Start();

            //blocking call. Feel free to use async version
            HttpListenerContext context = listener.GetContext(); 
            HttpListenerRequest request = context.Request;

            HttpListenerResponse response = context.Response;

            //Here is the response url. The token should be inside url query param.
            Console.WriteLine(request.Url); 

            //redirects user back to your site and show a login success screen
            response.Redirect("{yourdomain}/loginsuccess");
            //Important! call close to send out the response
            response.Close();

            //Important! If listener is stopped before response is sent out then it will abort.
            Thread.Sleep(1000);
            listener.Stop();
        }
public static TicketDataFormat AccessTokenFormat;
AccessTokenFormat = new TicketDataFormat(app.CreateDataProtector(typeof(OAuthAuthorizationServerMiddleware).Namespace, "Access_Token", "v1"));

app.UseOAuthBearerAuthentication(new OAuthBearerAuthenticationOptions());
    TimeSpan tokenExpiration = TimeSpan.FromDays(1);

    ClaimsIdentity identity = new ClaimsIdentity(OAuthDefaults.AuthenticationType);
    identity.AddClaim(new Claim(ClaimTypes.Name, "a@a.com"));
    identity.AddClaim(new Claim(ClaimTypes.NameIdentifier, "999"));

    AuthenticationProperties props = new AuthenticationProperties()
    {
        IssuedUtc = DateTime.UtcNow,
        ExpiresUtc = DateTime.UtcNow.Add(tokenExpiration),
    };

    AuthenticationTicket ticket = new AuthenticationTicket(identity, props);

    string accessToken = Startup.AccessTokenFormat.Protect(ticket);
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