authentication

passport-local with node-jwt-simple

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I figured it out! First of all you need to implement the correct strategy. In my case LocalStrategy, and you need to provide your validation logic. For example sake let’s use the one in passport-local. var passport = require(‘passport’) , LocalStrategy = require(‘passport-local’).Strategy; passport.use(new LocalStrategy( function(username, password, done) { User.findOne({ username: username }, function(err, user) … Read more

How does browser know when to prompt user to save password?

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Based off what I have read, I think Firefox detects passwords by form.elements[n].type == “password” (iterating through all form elements) and then detects the username field by searching backwards through form elements for the text field immediately before the password field (more info here). You might try something similar in Javascript and see if you … Read more

Non-random salt for password hashes

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Salt is traditionally stored as a prefix to the hashed password. This already makes it known to any attacker with access to the password hash. Using the username as salt or not does not affect that knowledge and, therefore, it would have no effect on single-system security. However, using the username or any other user-controlled … Read more

Is a Refresh Token really necessary when using JWT token authentication?

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Let me come to your questions a little later down the line and start by actually discussing the whole purpose of a refresh token. So the situation is: The user opens the app and provides his login credentials. Now, most probably the app is interacting with a REST backend service. REST is stateless, there isn’t … Read more

How to validate domain credentials?

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C# in .NET 3.5 using System.DirectoryServices.AccountManagement. bool valid = false; using (PrincipalContext context = new PrincipalContext(ContextType.Domain)) { valid = context.ValidateCredentials( username, password ); } This will validate against the current domain. Check out the parameterized PrincipalContext constructor for other options.

Custom Authentication in ASP.Net-Core

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From what I learned after several days of research, Here is the Guide for ASP .Net Core MVC 2.x Custom User Authentication In Startup.cs : Add below lines to ConfigureServices method : public void ConfigureServices(IServiceCollection services) { services.AddAuthentication( CookieAuthenticationDefaults.AuthenticationScheme ).AddCookie(CookieAuthenticationDefaults.AuthenticationScheme, options => { options.LoginPath = “/Account/Login”; options.LogoutPath = “/Account/Logout”; }); services.AddMvc(); // authentication services.AddAuthentication(options => … Read more

PHP Sessions across sub domains

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I do not know if the problem still exists, but I just ran into the same problem and solved it setting a session name before calling session_set_cookie_params(): $some_name = session_name(“some_name”); session_set_cookie_params(0, “https://stackoverflow.com/”, ‘.example.com’); session_start(); I have changed nothing in my php.ini but now everything is working fine.

How to redirect to a dynamic login URL in ASP.NET MVC

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In the RTM version of ASP.NET MVC, the Cancel property is missing. This code works with ASP.NET MVC RTM: using System; using System.Web; using System.Web.Mvc; using System.Web.Mvc.Resources; namespace ePegasus.Web.ActionFilters { public class CustomAuthorize : AuthorizeAttribute { public override void OnAuthorization(AuthorizationContext filterContext) { base.OnAuthorization(filterContext); if (filterContext.Result is HttpUnauthorizedResult) { filterContext.Result = new RedirectToRouteResult( new System.Web.Routing.RouteValueDictionary { … Read more