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This tutorial shows you how to add ASP.NET Identity (the new membership system for ASP.NET) to an ASP.NET application.
I am new to the ASP.NET Identity framework and am trying to do some things that I used to do in the older FormsAuthentication framework. What I want to do is allow an administrative user to create a new user using the existing Register view (or similar) from within the app. Create a Web app with authentication. Create an ASP.NET Core Web Application project with Individual User Accounts. Visual Studio.NET Core CLI. Select File New Project. Select ASP.NET Core Web Application. Name the project WebApp1 to have the same namespace as the project download. May 20, 2014 Step 1 – Create the ASP.NET MVC 5 Application Using the SPA Template. To begin, assuming you have already installed Update 2 for Visual Studio 2013, create a new ASP.NET MVC Web Application. Figure 1.0 – Create Solution/Project Next, select Single Page Application from the available templates and leave everything set to default. Asp.net mvc membership provider tutorial to create users, roles, assign / mapp users to roles, security in asp.net mvc with examples. By using asp.net mvc membership provider we can implement custom authentication & authorization in mvc. But how can update user profile properties below code is not working. Var currentUserId = User.Identity.GetUserId; var manager1 = new UserManager(new UserStore(new ApplicationDbContext)); var currentUser = manager1.FindById(User.Identity.GetUserId); currentUser.UserInfo.FullName = TextBox1.Text. I am new to the ASP.NET Identity framework and am trying to do some things that I used to do in the older FormsAuthentication framework. What I want to do is allow an administrative user to create a new user using the existing Register view (or similar) from within the app.
When you create a new Web Forms or MVC project in Visual Studio 2017 RTM with Individual Accounts, Visual Studio will install all the required packages and add all necessary classes for you. This tutorial will illustrate the steps to add ASP.NET Identity support to your existing Web Forms project or a new empty project. I will outline all the NuGet packages you need to install, and classes you need to add. I will go over sample Web Forms for registering new users and logging in while highlighting all main entry point APIs for user management and authentication. This sample will use the ASP.NET Identity default implementation for SQL data storage which is built on Entity Framework. This tutorial, we will use LocalDB for the SQL database.
Get started with ASP.NET Identity
- Start by installing and running Visual Studio 2017.
- Select New Project from the Start page, or you can use the menu and select File, and then New Project.
- In the left pane, expand Visual C#, then select Web, then ASP.NET Web Application (.Net Framework). Name your project 'WebFormsIdentity' and select OK.
- In the New ASP.NET Project dialog, select the Empty template.Notice the Change Authentication button is disabled and no authentication support is provided in this template. The Web Forms, MVC and Web API templates allow you to select the authentication approach.
Add Identity packages to your app
In Solution Explorer, right-click your project and select Manage NuGet Packages. Search for and install the Microsoft.AspNet.Identity.EntityFramework package.
Note that this package will install the dependency packages: EntityFramework and Microsoft ASP.NET Identity Core.
Add a web form to register users
- In Solution Explorer, right-click your project and select Add, and then Web Form.
- In the Specify Name for Item dialog box, name the new web form Register, and then select OK
- Replace the markup in the generated Register.aspx file with the code below. The code changes are highlighted.NoteThis is just a simplified version of the Register.aspx file that is created when you create a new ASP.NET Web Forms project. The markup above adds form fields and a button to register a new user.
- Open the Register.aspx.cs file and replace the contents of the file with the following code:Ancel fx 4000 user manual download. Note
- The code above is a simplified version of the Register.aspx.cs file that is created when you create a new ASP.NET Web Forms project.
- The IdentityUser class is the default EntityFramework implementation of the IUser interface. IUser interface is the minimal interface for a user on ASP.NET Identity Core.
- The UserStore class is the default EntityFramework implementation of a user store. This class implements the ASP.NET Identity Core's minimal interfaces: IUserStore, IUserLoginStore, IUserClaimStore and IUserRoleStore.
- The UserManager class exposes user related APIs which will automatically save changes to the UserStore.
- The IdentityResult class represents the result of an identity operation.
- In Solution Explorer, right-click your project and select Add, Add ASP.NET Folder and then App_Data.
- Open the Web.config file and add a connection string entry for the database we will use to store user information. The database will be created at runtime by EntityFramework for the Identity entities. The connection string is similar to one created for you when you create a new Web Forms project. The highlighted code shows the markup you should add:NoteFor Visual Studio 2015 or higher, replace
(localdb)v11.0
with(localdb)MSSQLLocalDB
in your connection string. - Right click file Register.aspx in your project and select Set as Start Page. Press Ctrl + F5 to build and run the web application. Enter a new user name and password and then select Register.NoteASP.NET Identity has support for validation and in this sample you can verify the default behavior on User and Password validators that come from the Identity Core package. The default validator for User (
UserValidator
) has a propertyAllowOnlyAlphanumericUserNames
that has default value set totrue
. The default validator for Password (MinimumLengthValidator
) ensures that password has at least 6 characters. These validators are properties onUserManager
that can be overridden if you want to have custom validation,
Verify the LocalDb Identity database and tables generated by Entity Framework
- In the View menu, select Server Explorer.
- Expand DefaultConnection (WebFormsIdentity), expand Tables, right-click AspNetUsers and then select Show Table Data.
Configure the application for OWIN authentication
At this point we have only added support for creating users. Now, we are going to demonstrate how we can add authentication to login a user. ASP.NET Identity uses Microsoft OWIN Authentication middleware for forms authentication. The OWIN Cookie Authentication is a cookie and claims based authentication mechanism that can be used by any framework hosted on OWIN or IIS. With this model, the same authentication packages can be used across multiple frameworks including ASP.NET MVC and Web Forms. For more information on project Katana and how to run middleware in a host agnostic see Getting Started with the Katana Project.
Install authentication packages to your application
- In Solution Explorer, right-click your project and select Manage NuGet Packages. Search for and install the Microsoft.AspNet.Identity.Owin package.
- Search for and install the Microsoft.Owin.Host.SystemWeb package.NoteThe Microsoft.Aspnet.Identity.Owin package contains a set of OWIN extension classes to manage and configure OWIN authentication middleware to be consumed by ASP.NET Identity Core packages.The Microsoft.Owin.Host.SystemWeb package contains an OWIN server that enables OWIN-based applications to run on IIS using the ASP.NET request pipeline. For more information see OWIN Middleware in the IIS integrated pipeline.
Add OWIN startup and authentication configuration classes
- In Solution Explorer, right-click your project, select Add, and then Add New Item. In the search text box dialog, type 'owin'. Name the class 'Startup' and select Add.
- In the Startup.cs file, add the highlighted code shown below to configure OWIN cookie authentication.NoteThis class contains the
OwinStartup
attribute for specifying the OWIN startup class. Every OWIN application has a startup class where you specify components for the application pipeline. See OWIN Startup Class Detection for more info on this model.
Add web forms for registering and signing in users
- Open the Register.aspx.cs file and add the following code which signs in the user when registration succeeds.Note
- Since ASP.NET Identity and OWIN Cookie Authentication are claims based system, the framework requires the app developer to generate a ClaimsIdentity for the user. ClaimsIdentity has information about all the claims for the user such as what Roles the user belongs to. You can also add more claims for the user at this stage.
- You can sign in the user by using the AuthenticationManager from OWIN and calling
SignIn
and passing in the ClaimsIdentity as shown above. This code will sign in the user and generate a cookie as well. This call is analogous to FormAuthentication.SetAuthCookie used by the FormsAuthentication module.
- In Solution Explorer, right-click your project, select Add, and then Web Form. Name the web form Login.
- Replace the contents of the Login.aspx file with the following code:
- Replace the contents of the Login.aspx.cs file with the following:Note
- The
Page_Load
now checks for the status of current user and takes action based on itsContext.User.Identity.IsAuthenticated
status.Display Logged in User Name : The Microsoft ASP.NET Identity Framework has added extension methods on System.Security.Principal.IIdentity that allows you to get theUserName
andUserId
for the logged in User. These extension methods are defined in theMicrosoft.AspNet.Identity.Core
assembly. These extension methods are the replacement for HttpContext.User.Identity.Name . - SignIn method:
This
method replaces the previousCreateUser_Click
method in this sample and now signs in the user after successfully creating the user.
The Microsoft OWIN Framework has added extension methods onSystem.Web.HttpContext
that allows you to get a reference to anIOwinContext
. These extension methods are defined inMicrosoft.Owin.Host.SystemWeb
assembly. TheOwinContext
class exposes anIAuthenticationManager
property that represents the Authentication middleware functionality available on the current request.You can sign in the user by using theAuthenticationManager
from OWIN and callingSignIn
and passing in theClaimsIdentity
as shown above.Because ASP.NET Identity and OWIN Cookie Authentication are claims-based system, the framework requires the app to generate aClaimsIdentity
for the user.TheClaimsIdentity
has information about all the claims for the user, such as what roles the user belongs to. You can also add more claims for the user at this stageThis code will sign in the user and generate a cookie as well. This call is analogous to FormAuthentication.SetAuthCookie used by the FormsAuthentication module. SignOut
method:Gets a reference to theAuthenticationManager
from OWIN and callsSignOut
. This is analogous to FormsAuthentication.SignOut method used by the FormsAuthentication module.
- The
- Press Ctrl + F5 to build and run the web application. Enter a new user name and password and then select Register.
Note: At this point, the new user is created and logged in. - Select the Log out button. You are redirected to the Log in form.
- Enter an invalid user name or password and select the Log in button.The
UserManager.Find
method will return null and the error message: ' Invalid user name or password ' will be displayed.
- ASP.NET Core Tutorial
- ASP.NET Core Useful Resources
- Selected Reading
In this chapter, we will discuss how to create user. To proceed with this, we need to interact with the Identity framework to make sure that the user is valid, then create that user, and then go ahead and log them in.
- There are two core services of the Identity framework, one is the UserManager, and the other is the SignInManager.
- We need to inject both of these services into our controller. With this, we can call the appropriate APIs when we need to create a user or sign in a user.
- Let us add private variables for SignInManager and UserManager and then add a constructor in your AccountController, which will take two parameters UserManager of type User and a SignInManager of type User.
- We will continue with the POST action method of AccountController and one of the first checks that we should always make inside the post action is to check if our ModelState is valid.
- If the ModelState is valid, then we know the user gave us a username and a password and confirmed the password; if not, we need to ask them to provide the correct information.
- Here is the implementation of the Register action.
- If our ModelState is valid, we need to talk to the Identity framework. We also need to create a new instance of our User entity and copy our input model.Username into the UserName property of the User entity.
- But, we are not going to copy the password because there is no place to store the plain text password in the User entity. Instead, we will pass the password directly to the Identity framework, which will hash the password.
- So we have a userManager. Create an Async method where we have to pass the Username, so that we can save the password for that user.
- This Async method returns a result that tells us if the instance was a success or a failure and if it failed, it will give us some of the possible reasons why it failed.
- If the result is successful, we can sign in the user that just created an account and then ask the SignInManager to sign this user. Now, redirect the user back to the home page and you will now be authenticated.
- If the result was not successful, then we should try to tell the user why, and the result that comes back from the UserManager has a collection of errors that we can iterate and add those errors into ModelState. These errors will be available in the view for the tag helpers like the validation tag helpers, to display information on the page.
- In the ModelState.AddModelError, we can provide a key to associate an error with a specific field. We will also use a blank string and add the description of the error that was provided.
Let us save all the files and run the application and go to /account/register.
Let us enter a username and a very simple 5-character password.
Now, click the Register button.
By default, the Identity framework tries to enforce some rules around passwords.
The passwords have to have at least 6 characters, one character has to be in lowercase, one has to be in uppercase, and there has to be one non-digit character.
The reason these errors appear here is because we have a validation summary on the page that is picking up the errors that come back from the userManager.CreateAsync result.
Now that we know a little more about what the password rules are, let us try and create a sufficiently complex password and click Register.
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You will now see the home page. This means that the operation worked. Let us now go to the SQL Server Object Explorer.
Right-click on the dbo.AspNetUsers table and select the View Data. Casio electronic cash register 130cr manual.
Asp Net Identity Role Manager
You can now see that the user was created successfully and you can also see a new record in the Users table. You can also see a hashed password value as well as a username and that is the username that we registered with mark.upston.