CODEWITHSUNDEEP
asp.net-core
crayden
crayden

Reputation: 2270

How to create user with ASP.NET Core 2.2

The following controller should create a user within the local SQL Server database, but when refreshing the dbo.AspNetUsers table, there are no users found. What am I missing here?

UserController.cs

using System.Threading.Tasks;
using backend.Models;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;

namespace backend.Controllers
{
    [Route("api/[controller]/[action]")]
    [ApiController]
    public class UserController : Controller
    {
        private readonly UserManager<AppUser> userManager;

        public UserController(UserManager<AppUser> usrMgr)
        {
            userManager = usrMgr;
        }

        [HttpPost]
        public async Task<IActionResult> Register([FromBody]CreateUserModel model)
        {
            AppUser user = new AppUser
            {
                UserName = model.Email,
                Email = model.Email
            };
            var result = await userManager.CreateAsync(user, model.Password);

            return CreatedAtAction(nameof(Register), user);
        }
    }
}

Postman returns the following 201 Created body:

{
    "id": "random string of characters here",
    "userName": "[email protected]",
    "normalizedUserName": null,
    "email": "[email protected]",
    "normalizedEmail": null,
    "emailConfirmed": false,
    "passwordHash": null,
    "securityStamp": null,
    "concurrencyStamp": ""random string of characters here",
    "phoneNumber": null,
    "phoneNumberConfirmed": false,
    "twoFactorEnabled": false,
    "lockoutEnd": null,
    "lockoutEnabled": false,
    "accessFailedCount": 0
}

Solution

After using the answer by Volodymyr Bilyachat, the failed result object passed to Postman revealed that the test password that I was using was too weak. I then knew to add the following password settings to Startup.cs, and to choose a password that would work.

services.Configure<IdentityOptions>(options =>
            {
                // Password settings.
                options.Password.RequireDigit = true;
                options.Password.RequireLowercase = true;
                options.Password.RequireNonAlphanumeric = true;
                options.Password.RequireUppercase = true;
                options.Password.RequiredLength = 6;
                options.Password.RequiredUniqueChars = 1;

                // Lockout settings.
                options.Lockout.DefaultLockoutTimeSpan = TimeSpan.FromMinutes(5);
                options.Lockout.MaxFailedAccessAttempts = 5;
                options.Lockout.AllowedForNewUsers = true;

                // User settings.
                options.User.AllowedUserNameCharacters =
                "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-._@+";
                options.User.RequireUniqueEmail = false;
            });

Upvotes: 1

Views: 128

Answers (1)

Vova Bilyachat
Vova Bilyachat

Reputation: 19484

You need to check result

var result = await userManager.CreateAsync(user, model.Password);
if (result.Succeeded)
{
    return CreatedAtAction(nameof(Register), user);
}
// handle bad request

so it can be that result contains error code.

Upvotes: 1

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