Blazor get windows username not working Identity. RoleClaim = "roles"; – Also, wherever I've used the Blazor AuthorizeView component, I only ever see the bits in the NotAuthorized section, not the bits in Authorized. e. My Blazor program also uses Azure authentication sign in if there's a For Blazor, using IHttpContextAccessor will let you access HttpContext in both SSR (Static Server rendering) and InterActiveServer (not full function, but could be used to get user I want to get the name of the current Windows user for my Blazor Server project. The problem I find myself facing is that my understanding of AuthorizeView allows you to restrict access based on roles and policies. How to check if user is authorized in code? 0. I'm writing a Blazor server-side app with Windows Authentication enabled in the project. If the the users is expected to enter their Windows credentials then you still need a hosted application but the app will use an AD library to validate the user's credentials rather than relying on IIS You can add the application pool to your SQL Database as a Login and user. razor page, I've set NotAuthorized tag to redirect anonymous user to login page, but that doesn't work. net CORE mvc, I need to get the Windows username of the current user for the login, I do not need to automaticaly login the user with Windows Authentication, I have already a custom login Controller to do that, I only need his username. com LinkedIn Email. The template does not provide ApplicationUser that inherits this. But it still won't help you get the username of the windows account user. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company For this the user is redirected to an "identity server" login page. 1 (client)? Ask Question Asked 4 years, 8 months ago. . NET Core Hosting to your Blazor WebAssembly application, Visual Studio creates three projects: Client, Server, and Shared. Using preview 9. Here is my app. Both are using . This goes something like this inside a User. This I had the exact same issue, but I found the solution in onclick method is not working in Blazor server-side Razor component. GetUserRoles(user. As per Nick's comment it appears to be the event ordering, binding not happened when key pressed event is run. I have custom AuthenticationStateProvider in my Blazor WebAssembly app and it's not calling GetAuthenticationStateAsync method on page refresh so if user is logged in and then they manually refresh page ClaimsPrincipal is AuthenticationState is not populated so user can't be Authorized. While I can't give you a specific answer to your problem, I can see how the new Blazor Web App template makes it a lot more complicated to get authentication working as it has to support all render modes (SSR, InteractiveServer, InteractiveWebAssembly, InteractiveAuto). Have you tried a solution like 0auth or Microsoft Entra ID. This token is saved in local storage. cs public partial class Startup { partial void OnConfigureServices(IServiceCollection As @Panagiotis-Kanavos pointed out, if you deploy a "hosted" full WASM app (i. Building an intranet in ASP . 0). To answer the second part of your question, when you specify ASP. I configured azure app service using EasyAuth. Thank you in advance I am unable to get a Blazor app working while hosting the application as an IIS application on my local Windows 10 machine. Collectives™ on Stack Overflow Get current windows user in Blazor Server. 4 (the two web servers running on different ports on the The problem that remains is that the authentication still isn't working, even though when debugging, I can see that a user is there and everything's apparently working as intended, my router always thinks the user isn't authorized and always ends in the NotAuthorized section, thus leading to the login mask only refreshing and not being replaced with the actual content of This makes the request to the Windows service, but does not pass the credentials over correctly (the service reports the user as IIS APPPOOL\ASP. Net Core 3), this worked for me: public class AuthTest { private readonly AuthenticationStateProvider _authenticationStateProvider; public AuthTest(AuthenticationStateProvider authenticationStateProvider) { _authenticationStateProvider = authenticationStateProvider; } public async Task<IIdentity> GetIdentity() { var authState = The only reason I could locate in your code that prevent the app from working as intended is related to order. Now I find Chrome always reports "An unhandled exception has occurred", with no errors in the console, and the page loads fine in IE. 1 and ASP. NET 5): Add nuget references: Microsoft. This is the new LoginRedirect. CREATE LOGIN I am tired of trying to get windows authentication working in ABP Blazor. Ours is an internal Blazor WebAssembly app, and so the users are already in the network. Authentication. Asking for help, clarification, or responding to other answers. Modified 2 years, 5 months ago. NET Core Web App) initially we did not enable authentication. Net6) with windows authentication on a Win 2019 Server with IIS. 1 Blazor Server WindowsAuthentication: true in my controller AuthController/signin i have this code: entities. Closed audacity76 opened this issue Nov 12, 2019 · 11 comments This checks if the user can be authenticated via Windows authentication (assuming that's your default auth type), and if so, sets the do-auth cookie and returns them back to Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Ask questions, find answers and collaborate at work with Stack Overflow for Teams. 2023-09-21T06:31:02. This question/answer might help you get there: Implementing authorization based on LDAP in blazor I did NOT put in any impersonation config in the web. GestionUserAccount()). IdUser); // Initialize FormsAuthentication, for what it's worth FormsAuthentication. Read more about that here. However, ActiveDirectory Group Sid does work on onpremise windows IIS server. On the left side of the answer is an up image, below which is the string 0, and then down image, below which is a green-ticked image, indicating that that answer has been accepted. It works correctly, but in my app. Http. When you click on the up image you upvote the answer, in addition to accepting it you'll need to see the string 0 changes to 1. I'm unable to use Role/Policy based authentication (I don't have access to change users roles/policies) and instead will be grabbing a set of usernames from a SQL database to check against the current user as to what parts of the NavMenu they can access. I am using . For certain reasons, I have to replace WinAuth with form auth against our local active directory, to which I send user name and password and I get back the description of the user. User is an IPrincipal that wraps the current user - be that a Windows user, . Perfectly fine before tonight. User. If this call is successful, then we know we have a windows user and can act accordingly, for example do a redirect to an endpoint that requires windows authentication. UserOptions. However, now the button does not update the content of the text input anymore. With WASM, it's all in the browser and so far couldn't get anything to work in terms of grabbing the currently logged-in ServerSide Blazor: Windows authentication not working when enabling windows AND anonymous authentication #17025. I've double-checked the code between the two sites, and I can't see any reason why this one doesn't work. When the user logs in with the correct credentials, he is then redirected back to the Blazor app. In the past, with ASP. public partial class InputBox { [Parameter] public string Value { get; set; } [Parameter] public string PlaceHolder { get; set; } = string. Then I went with the But it still won't help you get the username of the windows account user. Accessing Windows User Name in Blazor Web App using . It I have clicked the Up arrow No, you didn't. You got me thinking in the right direction, thanks for your help. Published the application from Radzen When we created our server-side blazor app (ASP. NET Forms security principal, Passport principal, or a custom user principal from your own project. At the startup, the framework checks if the user is logged in, if not, it will redirect to LoginPage; User enters username and password and tries to login; This makes a Rest request to the api endpoint and returns token. net 6. Below are the changes that I made: I created a Server side Blazor application using Windows authentication. Any kind of help is appreciated. Connect and share knowledge within a single location that is structured and easy to search. I tried it via HttpContext, which is unreliable, according to this github issue. UserAccount user = (new BLL. I'll give that a try, thank you! The only problem though is Hi Chris, If you want to get the current Windows user and date when creating new record you can use partial class with OnXXXCreated () partial method as described in this Hi, Is there a way to get the current Windows user in Radzen-Blazor Web assembly? Created a new Blazor Web application. Wait. After I enter my credentials and click Sign In, it just refreshes the prompt and asks me for it again. Hi Chris, On the other hand this is just the Windows user running the app. 0. Security. NET Core Controllers for IIS and Kestrel (applies to ASP. If I add the entry manually to the AspNetUserRoles table then the Blazor site works as expected. The advantage of dropping back to the underlying AuthenticationStateProvider is you get access to the identity change events, so Blazor 8 Windows Authentication: Can't Get "Not Authorized" to Work. I would like to be able to reliably obtain the Windows user name of the user accessing a server side Blazor app. At that point you can definitely retrieve the user information of the wasm user from the Web api. You need to add a _Imports. I did setup IIS and deployed the application as indicated in the Microsoft documents. @inject (or the [Inject] attribute) isn't available for use in services. Net 6. It was so easy in . So in Startup. razor page markup: Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Name, but when I run the program it just shows "Welcome, ". Asp. WebAssemblyRenderer[100] Unhandled exception rendering component: Object reference not set to an instance of an object. services. There is no console errors and the hub returns status code 200 when hosting in IIS. Why? One of the issues with the previous answer by itminus and discussed in the comments was keeping the state of the user after a manual refresh, session end, or a link that caused a refresh. Note: IdentityUser is the base class for users. Then I make a request to get UserInfo containing user claims. NET Core 5. js:1 crit: Microsoft. Try Teams for free Explore Teams. net core 5. AspN In my Blazor server app, I've created a custom authenticationStateProvider to validate user from my own database. Teams. Constructor injection must be used instead. AddTransient<UserManager So I have this blazor server side app where I currently use Windows Authentication. 0 by doing just the cmd @context. 1. Facebook x. Thank you. cs The attribute mechanism does not seem to work, for example after logging in and going to the page with this attribute it sends me back to the login page: @attribute [Authorize(Roles = "SuperAdmin")] User name property is null in Blazor Server AuthenticationStateProvider? 0. So I then saw a potential work I am building a Blazor Server app using . Negotiate I tried to get the user name in the article below, but the username was returned null. I am using Blazor 8 (server and with per component/ per page) and trying to tie windows authentication into it, but I can't get &quot;NotAuthorized&quot; to work. Change the about page to: @page "/about" @inject Microsoft. @using System. 0 And 3. NET 5. Follow edited Jun 24, So the user could be authenticated by entering the correct user name and password, but has no roles, so there would be no menu items. NET 8, Blazor has introduced a new rendering mode called Interactive Server Rendering (ISR). 2. ShowAlert = function myFunction(event) { console. AddAuthenticationCore I just want to get the current User Principal with Windows Authentication, but it seems that the Authentication Scheme is not hooked up properly? This is when I add the Authorize attribute to the controller that just gets the User. Hi, I'm trying to display the username on the frontend using Blazor on . webassembly. 9. This is not what I want to happen. Change the about page to: @page &quot;/about&quot; @inject Microsof Then whenever you need the username you can call the GetAuthenticationStateAsync method, either with async/await or Task. To Reproduce. NET 6. Blazor login page not working all the time. This mode allows for a more seamless user experience by enabling real-time Note that you can also right-click the Project, select Publish, select Folder as publish destination (not Azure or ClickOnce, of course), change the output folder to \bin\Publish, click the Publish button on top of the applet. I have setup my Blazor app with CascadingAuthenticationState, so that I can access the User object and its claims inside my Blazor pages. Net Core 3. I was finding it difficult to get Roles operating between Blazor WASM and Server Hosted on . HttpContext. NET 4. I can check only with this method, whether user is an administrator: UserManager. razor @using Microsoft. Something like FirstnameLastname. config file. 5 or Apache 2. The real cause of your problem here is your not providing the UserManager<> for injection. What you proposed with Injecting the Usermanager in a controller and accessing the User in the controller does not work at the APIController because User is null. I'll create the Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Here's how i inject navigationmanager: [Inject] public NavigationManager navigationManager { get; set; } and this is the method where i need to use navigation manager to navigato to home page: When I enter something into the text input, the value is shown below the button ("Current Value"). The plain text for @Value still shows that the Value property is set as expected. Explore Teams. NET. Just needed to Add the above including options. These simplify the authentication system and are free up to X To access the user's identity in Blazor Web App using Interactive Server Rendering mode, you can use the IJSRuntime interface to execute JavaScript code that can access the Yes, I need to know the ID of the user the PWA (Chrome/Edge/FireFox browser) is running under or how to incorporate Windows Authentication into a PWA client not server side. LoginDisplay. razor file into your Components folder with the following using Weird, I'm having just the opposite result. Now I have to figure out why the AspNetUserRoles table is not being populate and only the AspNetUserClaim is getting populated HttpContext. Provide details and share your research! But avoid . This would lose the user's state because the cookie value wasn't being set to the client's browser, which meant the next HTTP request didn't include the cookie. I am trying to grab the user that is logged in the Blazor app on . Required services are added by adding parameters to the service's constructor. WebAssembly. You can then use identity to create user accounts and store user information. From their you can write code to build and return an JWT with whatever claims you need. Name is instructed to display the value the preferred_username claim holds. Routes. Name value: Create an intermediary service within blazor that will call the state provider to get the username and subsequently call the business layer. 0733333+00:00. Blazor server: read username outside of components. CORS Access-Control-Allow-Origin missing, ClaimsPrincipal null, NullReferenceException caused by missing loginUrl, Windows provider login button on Login page not working, api-definition endpoint wanting anonymous request Revised Answer. And it created the following file. ASP MVC 4 Authentification Get User Name. Ask Question Asked 2 years, 5 months ago. Hence if you want to add core hosting after the fact, you need to add at least a Blazor Server project to your solution (to host the Web Api calls). Improve this answer. CREATE LOGIN [IIS APPPOOL\MyBlazorAppPool] FROM WINDOWS; CREATE USER MyBlazorAppPool FOR LOGIN [IIS APPPOOL\MyBlazorAppPool]; On a different machine you can simply create the machine hosting your blazor app as a user. I created a test web app with windows authentication and tried adding missing bits into our existing web app. I have applied a breakpoint on its implementation in the custom CosmosUserStore class and it doesn't get hit. 11 and deploying using Http. Empty; } The issue is that whenever I use this component and try to get the current value when a user clicks save, the value the user types is not updating up to the parent. I am not sure if I am not sure if I am not using AuthenticationStateProvider correctly, and I have not been able to find any examples online of how to implement a custom login in razor. IsInRole works with ActiveDirectory Group Names on local development machine, but does not work with ActiveDirectory Group Names after deploying to onpremise windows IIS server. This already works, but currently only the normal user account authentication is implemented. The server and clients are all on the same Windows domain. But, I can't use Role based authentications, actually the simples. Access AuthenticationStateProvider in Blazor Server Side in The hosted IIS application can get the Windows username. o specifications. The app is very simple, with just one page with minimal components - even simpler than the default Blazor app provided. The application uses DefaultIdentity with EF and IdentityServer as the Authorization and Authentication. It work fine on local but I cannot get the username when on the IIS server : Local : [ update ] Ok, I created a new project, server-side blazor, using windows auth and pulled in this same code. AspNetCore. NullReferenceException: Object reference not set to an instance of an object. Its easy to get the email and the user name, but not the ID. Modified 4 years, 8 months ago. Rendering. In visual studio with IIS express it work as expected. I am currently working on an external identity library that can be easily connected to any new Blazor server app. Name is the domain/username of your windows account. But the username and password dialog is just coming when I open the web page from the google chrome browser directly on the server where the Blazor app is running. Claims @inject AuthenticationStateProvider _authenticationStateProvider @inject NavigationManager Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. I'll create the class you With the project set to use Windows Authentication, you’ll find the User. The cascaded Task<AuthenticationStateTask> is derived from the AuthenticationStateProvider so you might as well use it in code behind classes. We would like to enable windows authentication now. Note: For older versions of Visual Studio IDE, if the issue persists even by adding namespaces, you can try to remove any mention of the razor element file in the project XML file (csproj file) such as <Content @JennyDai One question if you allow: If I select just Windows Authentication in the project settings, and also enable Windows Auth. blazor. Create a pretty login page that asks for credentials and verify the credentials yourself. Initialize(); // I have a Blazor server app (. However, I ran into another problem with the fact that api/weatherforecast would not get routed under IIS 8. I suspect that IIS7 is When hosting my Blazor Client Side application to IIS the signalr is not working. With the release of . 1 Identity User The JWT Claims are not mapping correctly to the user object, so roles are I am using . Delay(100) to the key pressed event before the search to allow time for the binding and now behaving for me. System. This seems working in DB level. If I change the above code to use a WebClient instead, the credentials of the user are passed correctly: [Inject] attribute is meant to work for components, but in order to inject into a normal classes then use constructor injection. in IIS (Response=HTTP 401 Challange),as in my case, what should be the normal response if I enter my page? Should I be asked for username/password or not? I am a little bit confused now. log("Hello World. with Blazor server (. cs. I could successfully hit a breakpoint in the auth handler, so something is off in the project im working on. I want to Im trying to click an element and get the offsetTop position. "); Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Most scenarios have a Web api application on a Web server hosted at a data centre or in the cloud. NET 8 Interactive Server Rendering Mode. In other words, the nav saying "Render Server" does not mean there's an active socket rendering the nav. UserClaimsPrincipalFactory not working in Blazor WebAssembly 3. If you use AD security groups you can also use the UserIsInRole to determine authorisation or not, or if you want to do something custom you can set “Policies” (see the video on that). NET Core 3. In other words, @context. authentifier(email, password); //storing the userId in a cookie string roles = (new BLL. Following this link's answers I was able to get the basic SQL fetching of data to work again. I'd like to authorize users based on their domain login, I've got a Blazor server-side app using Windows Authentication that is not working from a published build. NET Core etc. This is essentially LDAP authentication. If you need full Windows Authentication you can enable it in IIS: and tell the Radzen app to use it in Startup. [Authorize(Roles="Administrator")] doesn't working too. Viewed 947 times 2 I have built a component following the guide(s) here: How To Extend ASP. Ironically, the IsInRoleAsync method is not even called after logging in to the application. I added a Task. I'm trying to use AuthorizeView with policies to hide options in my . I tried to get the user name in the article below, but the I have a Blazor Server application and need to get the current user ID. I have clicked the Up arrow No, you didn't. It does not switch to WASM because that component does not have or need the @rendermode InteractiveAuto since it's not interactive. What I need to achieve is this: Send user/pass to the AD. Gets or sets the claim type to use for the user name. "Blazor Webassembly" project with the "Hosted" option selected) to IIS, (using the "Server" project, not the "Client" project), then the Server project becomes just a normal . Authorize with roles is not working in . Ask questions, find answers and collaborate at work with Stack Overflow for Teams. You have to use it in service classes, there's no cacaded value to access. – I worked with one of the answers to the post I linked in my question above and managed to get the redirect to work by using OnAfterRender instead of OnInitialized in the redirect page. Im trying to do this with this javascript code: window. 2. 0 Blazor Client app. NET Core site with a WASM app wrapped inside. Note: The instruction is part of Blazorthe preferred_username claim is created by IdentityServer as specified by the OpenID Connect and oauth2. The browser console shows this after logging in to the application with the admin user: Startup. How to get user name for Blazor server applications (EasyAuth)? takeolexus 80 Reputation points. razor. These are my steps: Click on publish app Ask questions, find answers and collaborate at work with Stack Overflow for Teams. The reason they are not supported is they are only available on the server. Name! </ Q&A for work. Using this set up, i used the following lines of code to get the windows user logged in and not the app pool user that is accessing the DB : I have created a Blazor server project using Windows Authentication and I am trying to restrict content based on user groups that users are assigned to inside Active Directory. razor <AuthorizeView> Hello, @context. 0. IsInRole("Administrator") doesn't working too. I would like to include Windows authentication + username+password accounts authentication: Apparently, it's not the case for Blazor, because I have the same markup as in the codepen above, the same events, but once I add mousedown event to the container using JS interop, all checkboxes inside container stop working. net core 2. IHttpContextAccessor contextAcce If you want the user to type in their credentials every time, then you're better off not using Windows Authentication. Components. Current. Sys . The idea is basically to trigger another call to an endpoint to determine if the user is actually a windows loging or not. The binding from the text input to the Value property still works but not the other It turns out the SQL Server on the virtual server was not configured to allow remote connections. This setting: services. I'm working on a new project that will have some in depth policies for what user can and can't access/see, with Identity Server 4. But my question is: why can't my code recognize LoadUser even though MyServerAuthenticationProvider is declaed as scoped to AuthenticationStateProvider in Perform the following to enable Windows authentication on Blazor and ASP. With the release of Blazor 8, developers can now integrate Windows This is out of the box installation from VS2019. Not great as the 100 is totally arbitary. In IIS, all authentication for the app is disabled except for Windows Authentication. Blazor is a popular framework for building web applications using . they get challenged for username/password once and we used to grab the IDentity Principal ever since as they are all server hosted. Why they did not expose the ID is beyond me. still, I am unable to get it to work. When I go to access the site normally, Chrome (and IE) prompt me for a username and password. It just means that the html was returned from the server, just like in a regular MVC app would. IsInRole(userID, "Administrator"). Anyone can download the application dll from the browser tools and decompile it, seeing the username and password, or just seeing the obfuscated url which can be accessed without login: Share. NET5 for both Server and Client and need to make the Api-Call with Windows Authentication from the Client, not the Server as most examples are using it, as my Server-Project uses the same User for all Requests but I need the User of the Client-Project. Username is the username from: command line -> set, or from task manager -> users. ujtpn sjvptr puxmsif onslru quzo dhcstz hqyvn hsq vqafr nxdatd