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Posted 8 Mar 2011

Custom Membership Providers

, 18 Oct 2013
This article concentrates on implementing forms authentication for an ASP.NET MVC application.
Custom-Membership-Providers-Using_Entity-Framework
.gitignore
CustomMembershipEF
Content
Contexts
Controllers
Entities
Global.asax
Infrastructure
Interfaces
Models
Properties
Scripts
Services
Views
Account
Home
Shared
packages
EntityFramework.4.1.10331.0
EntityFramework.4.1.10331.0.nupkg
lib
jQuery.1.8.3
Content
Scripts
jQuery.1.8.3.nupkg
Tools
common.ps1
install.ps1
uninstall.ps1
jQuery.Validation.1.10.0
Content
Scripts
jQuery.Validation.1.10.0.nupkg
README.md
.gitignore
Global.asax
EntityFramework.4.1.10331.0.nupkg
EntityFramework.dll
jQuery.1.8.3.nupkg
common.ps1
install.ps1
uninstall.ps1
jQuery.Validation.1.10.0.nupkg
README.md
CustomMembership
CustomMembership
App_Data
bin
CustomMembership.dll
CustomMembership.pdb
Content
Controllers
CustomMembership.csproj.user
Global.asax
Models
Properties
Scripts
Views
Account
Home
Shared
CustomMembership.suo
using System;
using System.Web.Mvc;
using System.Web.Routing;
using System.Web.Security;
using CustomMembershipEF.Interfaces;
using CustomMembershipEF.Models;
using CustomMembershipEF.Services;

namespace CustomMembershipEF.Controllers
{
    public class AccountController : Controller
    {
        public IFormsAuthenticationService FormsService { get; set; }
        public IMembershipService MembershipService { get; set; }

        protected override void Initialize(RequestContext requestContext)
        {
            if (FormsService == null) { FormsService = new FormsAuthenticationService(); }
            if (MembershipService == null) { MembershipService = new AccountMembershipService(); }

            base.Initialize(requestContext);
        }

        //
        // GET: /Account/LogOn

        public ActionResult LogOn()
        {
            return View();
        }

        //
        // POST: /Account/LogOn

        [HttpPost]
        public ActionResult LogOn(LogOnModel model, string returnUrl)
        {
            if (ModelState.IsValid)
            {
                if (MembershipService.ValidateUser(model.UserName, model.Password))
                {
                    FormsService.SignIn(model.UserName, model.RememberMe);
                    if (Url.IsLocalUrl(returnUrl) && returnUrl.Length > 1 && returnUrl.StartsWith("/")
                        && !returnUrl.StartsWith("//") && !returnUrl.StartsWith("/\\"))
                    {
                        return Redirect(returnUrl);
                    }
                    return RedirectToAction("Index", "Home");
                }
                ModelState.AddModelError("", "The user name or password provided is incorrect.");
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }

        //
        // GET: /Account/LogOff

        public ActionResult LogOff()
        {
            FormsAuthentication.SignOut();

            return RedirectToAction("Index", "Home");
        }

        //
        // GET: /Account/Register

        public ActionResult Register()
        {
            return View();
        }

        //
        // POST: /Account/Register

        [HttpPost]
        public ActionResult Register(RegisterModel model)
        {
            if (ModelState.IsValid)
            {
                // Attempt to register the user
                var createStatus = MembershipService.CreateUser(model.UserName, model.Password, model.Email);

                if (createStatus == MembershipCreateStatus.Success)
                {
                    FormsService.SignIn(model.UserName, false /* createPersistentCookie */);
                    return RedirectToAction("Index", "Home");
                }
                ModelState.AddModelError("", ErrorCodeToString(createStatus));
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }

        //
        // GET: /Account/ChangePassword

        [Authorize]
        public ActionResult ChangePassword()
        {
            return View();
        }

        // ChangePassword method not implemented in CustomMembershipProvider.cs
        // Feel free to update!

        //
        // POST: /Account/ChangePassword

        [Authorize]
        [HttpPost]
        public ActionResult ChangePassword(ChangePasswordModel model)
        {
            if (ModelState.IsValid)
            {

                // ChangePassword will throw an exception rather
                // than return false in certain failure scenarios.
                bool changePasswordSucceeded;
                try
                {
                    MembershipUser currentUser = Membership.GetUser(User.Identity.Name, true /* userIsOnline */);
                    changePasswordSucceeded = currentUser.ChangePassword(model.OldPassword, model.NewPassword);
                }
                catch (Exception)
                {
                    changePasswordSucceeded = false;
                }

                if (changePasswordSucceeded)
                {
                    return RedirectToAction("ChangePasswordSuccess");
                }
                else
                {
                    ModelState.AddModelError("", "The current password is incorrect or the new password is invalid.");
                }
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }

        //
        // GET: /Account/ChangePasswordSuccess

        public ActionResult ChangePasswordSuccess()
        {
            return View();
        }

        #region Status Codes
        private static string ErrorCodeToString(MembershipCreateStatus createStatus)
        {
            // See http://go.microsoft.com/fwlink/?LinkID=177550 for
            // a full list of status codes.
            switch (createStatus)
            {
                case MembershipCreateStatus.DuplicateUserName:
                    return "User name already exists. Please enter a different user name.";

                case MembershipCreateStatus.DuplicateEmail:
                    return "A user name for that e-mail address already exists. Please enter a different e-mail address.";

                case MembershipCreateStatus.InvalidPassword:
                    return "The password provided is invalid. Please enter a valid password value.";

                case MembershipCreateStatus.InvalidEmail:
                    return "The e-mail address provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidAnswer:
                    return "The password retrieval answer provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidQuestion:
                    return "The password retrieval question provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidUserName:
                    return "The user name provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.ProviderError:
                    return "The authentication provider returned an error. Please verify your entry and try again. If the problem persists, please contact your system administrator.";

                case MembershipCreateStatus.UserRejected:
                    return "The user creation request has been canceled. Please verify your entry and try again. If the problem persists, please contact your system administrator.";

                default:
                    return "An unknown error occurred. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
            }
        }
        #endregion
    }
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Karthik. A
Software Developer (Senior)
United States United States
Just another passionate software developer!

Some of the contributions to the open source world - a blog engine written in MVC 4 - sBlog.Net. Check it out here. For the codeproject article regarding sBlog.Net click here!

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