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The IRegistrar interface supports self-registered users who do not need back-end access functionality. A common use case for this is a user store for management functions of your site, and another user store for customers who buy goods from your e-commerce site.

The interface uses _EPiServer.ServiceLocation.ServiceLocator_ to register the default instance of the interface. Then, in your front-end code, use the ServiceLocator instance when writing your controllers, so you can easily switch to a new IRegistrar user store in the future if needed.


This configuration requires the [_EPiServer.Commerce.Security_](πŸ”—ο»Ώ) NuGet package as dependency.

## Interface methods

  • `String AuthenticationType` – Sets OWIN Authentication Type.

  • `IPrincipal CreateUser(string userName, string password, string email);` – Creates a user in the user store and returns a ClaimsPrincipal. The principal should contain the following claims for roles **Everyone** and **Registered**.

  • `void DeleteUser(string userName);` – Deletes the user.

  • `bool ChangePassword(string userName, string oldPassword, string newPassword)`; – Changes the user's password.

  • `ClaimsIdentity CreateIdentity(string userName);` – Creates the ClaimsIdentity with the proper claims provided by the user store.

  • `bool ValidateUser(string userName, string password);` – Validates the userName and password.

  • `void SignIn(AuthenticationProperties properties, params ClaimsIdentity\[] identities);` – Calls in the controller when logging in a user; gets the OWIN context and signin with the Authentication property of the OwinContext.