I have an MVC 5 project that has been modified to use int as the primary key for identity as shown in this guide
I then enabled email confirmation as described in this guide
Everything worked fine as expected. Then I installed structuremap.mvc5 for dependency injection and added modified DefaultRegistry.cs to
public DefaultRegistry() {
Scan(
scan => {
scan.TheCallingAssembly();
scan.WithDefaultConventions();
scan.AssemblyContainingType(typeof(MyProject.Data.MyDbContext));
scan.With(new ControllerConvention());
});
//For<IExample>().Use<Example>();
For<IUserStore<ApplicationUser, int>>().Use<MyUserStore>().LifecycleIs<HttpContextLifecycle>();
For<IAuthenticationManager>().Use(() => HttpContext.Current.GetOwinContext().Authentication);
}
The project builds fine but when trying to register a new user on the site, the send email confirmation now throws an exception System.NotSupportedException: No IUserTokenProvider is registered when calling UserManager.GenerateEmailConfirmationTokenAsync(userID).
private async Task<string> SendEmailConfirmationTokenAsync(int userID, string subject)
{
string code = await UserManager.GenerateEmailConfirmationTokenAsync(userID);
var callbackUrl = Url.Action("ConfirmEmail", "Account",
new { userId = userID, code = code }, protocol: Request.Url.Scheme);
await UserManager.SendEmailAsync(userID, subject,
"Please confirm your account by clicking <a href=\"" + callbackUrl + "\">here</a>");
return callbackUrl;
}
I am new to dependency injection and pretty sure I am doing something wrong. I'll appreciate your thoughts and insights.
IUserTokenProvider
by default is inserted by OWIN, but when you resolve UserManager
from your DI container, component that provides IUserTokenProvider
is not available and this component is not initialised.
You'll have to assign token provider to a global static variable when it is available and then re-use it in UserManager
constructor:
public class AuthConfig
{
public static IDataProtectionProvider DataProtectionProvider { get; set; }
public void Configuration(IAppBuilder app)
{
ConfigureAuth(app);
}
public void ConfigureAuth(IAppBuilder app)
{
DataProtectionProvider = app.GetDataProtectionProvider();
// do other configuration
}
}
And in then re-assign it in constructor of UserManager constructor:
public UserManager(/*your dependecies*/)
{
var dataProtectorProvider = AuthConfig.DataProtectionProvider;
var dataProtector = dataProtectorProvider.Create("My Asp.Net Identity");
this.UserTokenProvider = new DataProtectorTokenProvider<ApplicationUser, Guid>(dataProtector)
{
TokenLifespan = TimeSpan.FromHours(24),
};
// other stuff
}
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