Blazor get windows username not working I have the Identity library scaffolded in, authentication is working, and I have created pages to CRUD claims. Is there some function to only get the username, without resorting to the IndexOf and Substring, like this? Feb 27, 2025 · You disabled automatic user creation in step 2 (the CreateUserAutomatically method is not called). May 7, 2023 · IdentityUser: Represents the ASP. I only found the work around to put my login page in account/login and Dec 26, 2021 · I have a new Blazor Server App - using default VS2019 template (counter application example). NET 8 and I am struggling with the Authorization. Name! gets the username. Update If you want to get the currently logged in user from within a separate class and you're not injecting that onto a blazor page, then follow the guidance here I'm trying to give custom roles in my Blazor Server application. The EasyAuth is working correctly. This function returns a string in the format "domain\user". AddNegotiate(); builder. For more information, see the . I created a new Blazor App, Server Side with Authentication method Windows Authentication and overwrote the FetchData. js) or Blazor WebAssembly script (blazor. The GetUser returns the long string of id, username, name, email, etc. The app is very simple, with just one page with minimal components - even simpler than the default Blazor app provided. This works in both a controller and a razor component. After hit the "Microsoft" button and specify user/passw in IIS or actually with another computer in the network I get the following error: Jul 27, 2020 · So I am writing a Blazor webassembly application, with asp. Jan 12, 2024 · 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). However, when I attempt to use the service from a server side handler, the request fails with an exception complaining that the services could not be constructed - due to IHttpContext not existing on subsequent calls to the server. I am using (System. Jan 24, 2024 · Auth0 exposes the user’s name via the name claim. Nov 24, 2020 · To get current user details in a Blazor page, we need to inject the dependency IHttpContextAccessor. I receive the following SignalR errors: When I switch to using blazor. In the past, with ASP. GetCurrent(). net core 2. Name to display the username but I'm not sure how to access the @context from within a @code section to get the username. During prerendering, Blazor Web respects the metadata defined on the page and uses the ASP. NET 6. and API using asp. cs: services. Jun 30, 2022 · Blazor Server + Windows Auth (AD) June 30, 2022. The accepted answer did not work for me using server-side Blazor with . NET Core site with a WASM app wrapped inside. 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 Sep 20, 2023 · I configured azure app service using EasyAuth. For the current release, see the . While MVC and Web API commonly use HttpContextAccessor to get the user information, it's not recommended to do the same in Blazor. 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 : Jun 30, 2022 · Blazor Server + Windows Auth (AD) June 30, 2022. config; System. Net Jul 7, 2022 · @JennyDai One question if you allow: If I select just Windows Authentication in the project settings, and also enable Windows Auth. In ASP. when it was on my xp workstation, i would disable anon access, and use intergrated windows auth in my iis settings, and using "Request. ServerVariables("LOGON_USER")" would return DOMAIN\username. Sep 4, 2024 · Where I work all applications must use Windows Authentication. Options @using… Jun 11, 2020 · In this next part of the Blazor Blog Series, Let’s learn about implementing Custom Authentication in Blazor WebAssembly Project (Blazor. net core (no WPF or Windows. I get the AppPool Identity that the appppool is set to run as. Mar 10, 2023 · I need to somehow pass the windows authenticated users credentials into get request in blazor (using IhttpRequestFactory), but it doesnt seem to work: setting UseDefaultCredentials to true; grabbing user authentication via DefaultNetworkCredentials or defaultcredentials; using environment. Why they did not expose the ID is beyond me. cs as follows. Google, Azure, and GitHub Providers Oct 14, 2024 · Solved- How to Redirect to Login Page in Blazor When User is Not Authenticated. The site is running under a system account that has access to the database (because all of the employees do not have access to the database). Any kind of help is appreciated. All seems fine accept that HttpContext is always null. using Microsoft. Create a pretty login page that asks for credentials and verify the credentials yourself. (And I have read this multiple times. I tried it via HttpContext, which is unreliable, according to this github issue. I go to the advanced system settings and set my environment variable (for example MY_HOST_NAME) by system-level variables. )' The Blazor Web App script (blazor. I tried to get the user name in the article below, but the username was returned null. Apr 14, 2025 · With Active Directory Authentication, Windows validates the user’s identity through Active Directory, and XAF does not store user passwords in the database. GetAuthenticationStateAsync() as per the documentation. UserName and domainname. AspNetCore. 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 user from the machine/network. Program. But when I publish the application, and start it locally it does not work anymore. You could try following steps: Create a Blazor Web App project. Maybe it is a bug from Microsoft. Nov 9, 2022 · If you are not using the Radzen IDE you should look online how to enable Windows security for a Blazor WASM application. May 14, 2015 · Base on my test under IIS having Windows Authentication only enable and not impersonation on the web. AddAuthentication(NegotiateDefaults. This is essentially LDAP authentication. Jan 10, 2022 · 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 Jun 7, 2022 · You can use AuthenticationStateProvider. The browser console shows this after logging in to the application with the admin user: Startup. User (Claims does provide any other data). Oct 10, 2021 · Here's a very simple Test AuthenticationStateProvider I hashed up recently for a Server Side project. they get challenged for username/password once and we used to grab the IDentity Principal ever since as they are all server hosted. So, here are my questions. NET Framework, you’d do this by accessing HttpContext. NET Core is no longer supported. Oct 2, 2012 · In my case I wanted to get the logged in user name, while running my app from a different user, like when shift+right click on a file and "Run as a different user". Dec 31, 2019 · The fiction that the HttpContext object can't be used with Blazor Server App, has been long propagated on Stackoverflow, and it is high time to pension it off. Then I restart the server and check with the commandline "set" if the variable is there and I can see it. Jun 21, 2022 · In my opinion,you should have authentication to get UserName,you need to Enable Windows Authentication. , so I used the Mid function to separate a portion of it, where the username begins. 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 info). I've just deployed the site to a test server (which has two such sites already running on it, so I know the server has everything it needs to run Blazor apps), but none of the Blazor stuff seems to work. Context. This code works, Dec 10, 2020 · I want to get the name of the current Windows user for my Blazor Server project. netcore 6. NET Core authentication system to determine if the user is authenticated. But there are Blazor components that are used to authorize the user, send him back to reconnect, etc. If we can't solve this soon, I'll have to convert the app to Blazor Server to see us through until Blazor United (sorry, Blazor Web full stack 😁) becomes real. Using Authorizing state. NET Core 3. js) only supports the Proof Key for Code Exchange (PKCE) authorization code flow via the Microsoft Authentication Library (MSAL, msal. When using this, I get the name of the app pool instead. I have applied a breakpoint on its implementation in the custom CosmosUserStore class and it doesn't get hit. NET Core Controllers for IIS and Kestrel (applies to ASP. I've been trying to find a way to get a file path (or folderpath) from a user, either using a built in dialog from Blazor or otherwise, and I'm hitting a bit of a brick wall due to the fact it needs to be . In IIS, all authentication for the app is disabled except for Windows Authentication. The Blazor WebAssembly Authentication library (Authentication. identity. AggregateException: 'One or more errors occurred. WindowsIdentity. net 7 lets you choose Windows Authentication and works immediately. 0. NET and C#. Maybe it only works in IntersactiveServer rendermode but not in SSR. I've perused the internet and tried multiple suggestions, none of which work for me. NET 9 version of this article. Run the app. Also, if you try to upload a file that is too large, the upload may fail because IIS has a default maximum file size limit of Jan 3, 2022 · still, I am unable to get it to work. ActivationFactory`1' threw an exception. Negotiate Jan 21, 2021 · I am tired of trying to get windows authentication working in ABP Blazor. Change the about page to: @page "/about" @inject Microsof The server application won't have any context about the username of the windows user. Name). But if I try to get the variable within my application which is hosted by IIS, there is the variable null. server. When I go to access the site normally, Chrome (and IE) prompt me for a username and password. cs] public void ConfigureServices(IServiceCollection services) { services. NET). o specifications. The user name is obtained from the WindowsIdentity object and includes the computer or domain name (for example, COMPUTERNAME\UserName or DOMAINNAME\UserName). Try this code: @using System. I am trying to get the windows logged on user name inside the user control using ASP. 5) What is working: all on my local IIS Express of course :) the blazor server app pages; the Hub works as long as the clients are eg a TestConsole App or another Web App on another Server; What is not working: the HubConnectionBuilder as far as i try to connect to it from the blazor Nov 15, 2021 · So I have this blazor server side app where I currently use Windows Authentication. That takes some extra work. See Also. Identity. The Authentication/Authorization links in my first post illustrate several methods to authenticate and authorize access to remote resources. 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. Using preview 9. Aug 23, 2022 · I get no errors in the windows event logs , I have installed . Oct 17, 2024 · Been trying to get Authentication working for a Blazor Server Side app with my own Identity check (I do not want to use SqlServer or that mechanism). Authentication. Forms) for cross platform compatibility Jan 3, 2024 · What will NOT work for setting cookies: you cannot call the cookie setting logic directly from interactive blazor serverside component, as blazor components live on long-living signalR connection. 11 and deploying using Http. Writeline() statement in OnInitializedAsync() that is supposed to print the user name to the debug console. Subsequent users do not get asked to log in. It is true that the HttpContext is not available when a WebSocket connection is in operation, but this must be clear: When you type an url and press the enter button, the connection to your server-side Blazor app is an HTTP connection Is it possible to get the user's windows account name even though the site is running impersonated? Edit: Here's a little more info. I have seen many, many suggestions on how to overcome this but none work: Blazor server Application Authentication without Identity Server Apr 10, 2015 · Nothing on the server. NET 7 to . name. NET 8 or later. If they are denied ac Jun 18, 2023 · Hi all; Ok, I'm diving in to using the authorization part of the Identity library. UserName To display the current user's name and it's been working all this time. cs: builder. net core 6 and its works as i expected here is the code. Ironically, the IsInRoleAsync method is not even called after logging in to the application. Nov 19, 2024 · Warning. NET 6 and an external API I was able to use Windows Authentication and everything worked great. Yet, Visual Studio 2022 still doesn't allow me to use Windows Authentication with when specify server only. Sep 4, 2024 · So, I'm not going to use a Blazor WebAssembly template, even with the Blazor Web App template. (Assume no CORS issues). Principal; // Property Jan 13, 2022 · 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. Solution: To get the user to impersonate use the AuthenticationStateProvider and get the user from this and cast to a WindowsIDentity to retrieve the AccessToken. e. NET 8 and all I get is 401. Blazor is a single-page application (SPA) framework, and since there is only one request, the request cannot contain the user information. To get current username, I added: In startup. I've also tried this code and in the app which displays the username successfully: Jan 3, 2024 · 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 "NotAuthorized" to work. Current. NET 7 or earlier and the server project of a Blazor Web App for . In Blazor, the user's authorization information is cascaded down to you through the CascadingAuthenticationState component. Has anyone came across this? blazor-server-side But currently we're not using anything offline, it's just a vanilla hosted Blazor Wasm built directly from the . We will cover some core concepts that can get you familiar with how authentication works in Blazor Applications. Apr 2, 2024 · Looking for some help here please I created a blank application [Blazor Web Application . Email,user. differentdns. Feb 17, 2020 · I'm starting a new site with Blazor and Windows Authentication and need to identify the current user viewing the page/component. 1 and ASP. Jan 22, 2025 · The problem is when the WebPage is published in the Server in IIS when the "Microsoft" button is clicked and the user and password are specified: The Microsoft button to Authenticate with Microsoft Windows. What it does by default, is grab the users Windows credentials and grants authorization that way. Security. There is no "User" property to access. Sep 11, 2019 · I would like to be able to reliably obtain the Windows user name of the user accessing a server side Blazor app. I had hoped that I could use Windows Authentication with the Blazor Server App template. Name) to get the current windows logged on username. Components. The method. Then I went with the MS documentation, without success. Nov 12, 2024 · Use the pivot selector at the top of the article to change the article's pivot to match the type of Blazor project that you're working with: Server-side Blazor apps (Server pivot): Blazor Server for . Net 6 template last year, running online all the time. NET 5): Add nuget references: Microsoft. Authorization; using May 18, 2022 · (btw all is working when Hosting on Windows2012R2 + IIS8. I also understand I need to use this component inside of the <AuthorizeView> section. Client-side Blazor apps (Blazor WebAssembly pivot): Blazor Mar 30, 2023 · I’m really confused on how to get additional information about a user once they log in. After I enter my credentials and click Sign In, it just refreshes the prompt and asks me for it again. But I also need to be able to get the roles of the user. 0 / OIDC flow and I did NOT put in any impersonation config in the web. The feature isn't explicitly disabled. This question/answer might help you get there: Implementing authorization based on LDAP in blazor Dec 11, 2019 · It is not needed for server-side Blazor application as authentication status is always known in this case. gives the username but I need the ID for a fk in a model/table. HttpContext. NET Core Support Policy. If a user doesn’t have access to certain page it will not appear in the application navigation. LogonUserIdentity. "Unauthorized" should not be blocked by the API, but should be forwarded to Blazor to show a "Hey, you do not have permission to see this page" message. I do use windows console, during debugging - In case where an issue appear for a specific user, and I don't have to be present on their machine. List<Claim> claims = new List<Claim> { new Claim(ClaimTypes. Name is instructed to display the value the preferred_username claim holds. Jul 18, 2019 · I understand @context. Most scenarios have a Web api application on a Web server hosted at a data centre or in the cloud. Jun 24, 2022 · Security is not an issue since this app will run internally. There is nothing built in to Blazor that automatically makes the user identity available to pages or components running in WebAssembly on the client device. CREATE LOGIN [computername$] FROM WINDOWS; Jan 4, 2025 · The reason I know this is because I put a Console. User. NET 7 that works ok, however I want to migrate to . Managing service with Blazor. razor. 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. This version of ASP. As I understand it, Server App does not use cookies but it obviously has some sort of cache to remember a user. com and your server is randonname. This is my first web app thus i am not sure how to implement what you have mentioned, Thanks for your help – Aug 15, 2021 · I am unable to get a Blazor app working while hosting the application as an IIS application on my local Windows 10 machine. What I need to achieve is this: Send user/pass to the AD Jun 7, 2023 · If you want the user to type in their credentials every time, then you're better off not using Windows Authentication. I get the same results if I use the AuthenticationStateProvider or IHttpContextAccessor. n_t_in: cannot install the nuget AspNetCore. You can then use identity to create user accounts and store user information. NET Core etc. exe. Jan 31, 2022 · I understand @context. This often happens if a user isn’t authenticated but attempts to access a page that requires May 11, 2022 · There are multiple ways to find out the SamAccountName of a group. Services. The template works, because they have the login page in account/login, but the tag NotAuthorized is not working as expected in Routes. To specify who can access a page: Oct 28, 2021 · I injected the service in a Blazor component in order to use it like so: @inject WrapperService _Wrapper. and it would not bring up my dialog box and ask Jan 14, 2020 · You should see the logged-in username written to the ASP. Jul 29, 2021 · I've figured this out using a combination of GetUser, Mid, and Split functions. Create a new Razor Pages or MVC app. during registration, the user puts in the username, phone number, and password. Nov 9, 2020 · Gets or sets the claim type to use for the user name. I am working on learning Blazor using . After a weekend long endeavour to get Authentication working on my Blazor application, I have succeeded! I understand that I can display the current logged in user by using @context. Dec 4, 2019 · Environment. I need to get the ID of the current user, not the username that the methods in Identy give. Jun 7, 2022 · You can use AuthenticationStateProvider. You'd have to keep track of who is allowed to do what in your app yourself but gathering the info is done for you. I am part of domain though. Aug 25, 2024 · I have a Blazor Server application and need to get the current user ID. NET Core. cs using System. To grab that information, which is of type Task<AuthenticationState>, you need to set up a CascadingParameter property in the . However if I deploy to IIS then I don't get the current logged in user. Inside the app I would like to access the database as the Windows Active Directory user using the site, not the IIS user. razor The default blazor server template for VS2022 and . Name, but when I run the program it just shows "Welcome, "So I then saw a potential work around for this which is to Inject a AuthenticationStateProvider property, call GetAuthenticationStateAsync and get User from it. I'm using AuthenticationStateProvider. net 6 hosting bundle, when run the console app alone it does not have any errors. I then added an empty API controller with one simple HttpGet method that just returned IActionResult OK(teststring). LastName), new Claim(ClaimTypes. I have a sample Blazor server app and am able to login but the only thing I can see is the users name (user. With Blazor . Id. The user who opened the application is not registered in the database. Nov 1, 2019 · In Blazor, the process for getting the ClaimsPrincipal object is a little more complicated. I work in a corporate environment with Azure Active Directory (Entra ID). Cookies don't travel inside http body or inside signalR pipe, but in HTTP headers. Name; then I was able to get the user name. Now I am building a project with the same architecture in . NET Core 5. I can just let them log in via the windows auth prompt. com) Jun 23, 2022 · Here's a screen capture showing both the user windows security info and the added Role. AspN Nov 10, 2021 · I want to get current windows user name when user opens the website. GetAuthenticationStateAsync()). That way we can reference it from both the server and client apps. NET Core this is handled via dependency injection. GetUserAsync(User) works in . I have the app pool running as a domain account, but I need the user name doing the request. Learner). Mar 25, 2025 · This article describes how to secure a Blazor Web App with Windows Authentication using a sample app. Getting authentication work with AuthorizeView component is a little bit tricky and needs some additional work. I created a test web app with windows authentication and tried adding missing bits into our existing web app. You need to ask the client administrator to add the server name to the local intranet zone, or change the DNS name of the server so that it matches the settings already in that zone (for eg, if the zone is configured for *. Instead of trying to make it work with windows auth, I would consider moving to an azure authentication approach. 0 Next I added "WINDOWS" Authentication (again by using Radzen Blazor Studio). ToString()), new Claim(ClaimTypes. The authentication works when I start the application in Visual Studio 2019. Meaning that the Cascading Parameter thing only passes the value on the first render. razor page. I have a site in IIS 6 running with anonymous access enabled. I use the IdentityUser with my ApplicationUser model that extends IdentityUser. Sep 1, 2023 · My Blazor Server app is working fine BUT it seems to remember the last user who logged in (using Windows AD) and thinks everyone afterwards is that user. Name, but that doesn't seem to work in a Blazor component. NET Core Web App) initially we did not enable authentication. Jul 3, 2022 · I have a Blazor server app with IIS Windows Authentication where I can get the current user in my razor page with following code, without problem: <AuthorizeView>; @context. So e. company. AddAuthorization(options => { // By default, all incoming requests will be authorized according to the default policy. (The type initializer for 'WinRT. This. 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'd like to authorize users based on their domain login, This article from Microsoft suggests that this shouldn’t be used (Certainly in Blazor) MS-Docs. In a . net (VB. web. After some research i have changed the sitefinity web I have a Blazor server-side (. LastName) }; Mistake #2: Using HttpContextAccessor to get user information. For a Razor Page, the current user name can be accessed with Context. By default pages created in Radzen Blazor Studio allow access to Everyone - both authenticated and anonymous users. NET Identity user, which contains user information like email, phone, etc. Jan 29, 2025 · Windows auth prompt - used during debugging of specific user errors. The app specification for the Blazor Web App: Adopts the Interactive Server render mode with global interactivity. NET CLI; New project. NET 8 with new structure that MS presented and I am facing a lot of issues as authentication does not work the way I would l Dec 10, 2023 · I just realized that the example template of Blazor Web with activated authentication doesn't make any sense, because no matter if you are logged in or logged out, you see all menu options and therefore all pages! Aug 27, 2024 · I am migrating a Blazor server project from . Sys . I have enabled Windows Authentication on the app. Negotiate in the client project to use the AddAuthentication, it gives the error Mar 10, 2023 · I need to somehow pass the windows authenticated users credentials into get request in blazor (using IhttpRequestFactory), but it doesnt seem to work: setting UseDefaultCredentials to true grabbing user authentication via DefaultNetworkCredentials or defaultcredentials Aug 30, 2023 · I have written a Blazor Server App and deployed it to IIS. config file. Summary: If you’re working with Blazor and have integrated authentication, you might face an issue where you want to redirect unauthenticated users to the login page. All users are external users invited to our Azure AD. For server-side Blazor applications this additional work is done for us by product group. Name value: Feb 2, 2021 · As @Panagiotis-Kanavos pointed out, if you deploy a "hosted" full WASM app (i. com) Aug 29, 2023 · so i just started to learn about blazor and i am trying to make an dating app, in that app i have a page that creates profile but the thing is i cant get it to read the logged in user id by it self Jun 23, 2022 · Here's a screen capture showing both the user windows security info and the added Role. In other words, @context. Surname,user. UserManager. However, started working on my project today - Environment. User who are authenticated with Windows Authentication should be given one of these custom roles depending on their Active Directory Groups, one group represents one role. We would like to enable windows authentication now. This gives endless possibilities in managing the service, not even from the system itself but also remotely. Domain Controllers), or you can use the "Active Directory Users and Computers"-SnapIn of mmc. Here we take the user Id, and user name values, assign them to a new instance of a class called UserInfo, then persist that via component state. Perfectly fine before tonight. For the Blazor server app, all I did was create the app targeting . . If the user enters that page URL manually in the browser they will see a generated unauthorized page. The username appears in the rendered app's user interface. ) I want to do two… May 6, 2024 · So I created two projects: a Blazor Server app and a Console app. g. I've been through the steps in this guide however, everytime I go to the site, I get a chrome dialog asking me for a username and a password. These are my steps: Click on publish app Jan 28, 2025 · I want to set Windows AD authentication, but it always outputs a null username on the user page, and no roles as well. You need to check the permissions of the directory where the uploaded file is located and make sure the IIS user account has write permissions. cs I am writing an app that runs on a LAN. NET Core Blazor WebAssembly standalone app with the Blazor WebAssembly Authentication library. NET and . Nov 2, 2021 · Hello! So, what I want to do is get a hold username or e-mail to identify users. It's a client-side problem. [startup. razor page with the following code. ToString() return the application pool user. Perform the following to enable Windows authentication on Blazor and ASP. NET5. js, things work successfully: I also have the following script logic set in App. I am using . My application uses Blazor server-side. Will Microsoft ever allow developers to use a Blazor Server app with Windows Authentication either now or in the Nov 21, 2019 · This is only to collect data from the user and authenticate it. If you are familiar with PowerShell, you could execute (Get-ADGroup "<Group-Identifier>"). This blog post supplies a way to get the logged in user name, which works even in my scenario: I am writing an app that runs on a LAN. User and its properties (see below for an example), in . The below code return the app name: @using Microsoft. I dont get authenticated anymore. Claims @inject AuthenticationStateProvider _authenticationStateProvider @inject NavigationManager _navigationManager; @code { protected override async Task OnInitializedAsync() { var authState = await Sep 12, 2024 · Visual Studio. Routes. We need to configure the IHttpContextAccessor service in the startup. Net 8] for test (No DB / Data / New Page added) using Radzen Blazor Studio 1. aspx page, I get the Windows username with the function Request. CallingUser = System. GetAuthenticationStateAsync() method to get the authentication state of the current user. js) is used, not the Blazor Server script (blazor. User. AspUserId == IdentityUser. I’ve looked at all of the documentation and samples and just keep going in circles on how to basic stuff. Name; return to me the current login user not the application pool user and System. Aug 11, 2021 · The most interesting part for me is hosting a Blazor Server application with Kestrel as a service on both Windows and Linux. I want to get the user's username and phone number after the user login. But "Challanged" should respond with the correct OAuth 2. AuthenticationScheme) . SamAccountName on a domain machine with the AD-SnapIn installed (e. You run the sample app and it outputs your logged in username in the upper-right hand corner. In the Additional information dialog, set the Authentication type to Windows. Extensions. Oct 18, 2019 · I try this in blazor web assembly. Dec 19, 2023 · Thank you so much for your reply; however, I am working on a MAUI Blazor Hybrid project and could not get that database approach to work. Its easy to get the email and the user name, but not the ID. Create an intermediary service within blazor that will call the state provider to get the username and subsequently call the business layer. The answers I tried gave me the 'other' username. I let the user login via firefox, which always show a windows console prompt. NET Core authentication system. You got me thinking in the right direction, thanks for your help. The destination URL is within the internal base URI space (the app's base path). Apr 10, 2015 · Nothing on the server. Net output console. Next (just to validate windows Auth Functionality), I added the following in my MainLayout. Email), new Claim(ClaimTypes. The server and clients are all on the same Windows domain. "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 . I can't use the username as usernames might change. The app runs on IIS and uses Windows Authentication. This is build just for the sake of procedure. Jul 1, 2020 · Using Blazor server app. Jun 30, 2021 · I am trying to grab the user that is logged in the Blazor app on . Nov 16, 2023 · So for people finding this thread, I have found that blazor. When I click on a link to my Admin page it is working fine but when I just go directly to th Jul 31, 2024 · Similar to MVC/WebApi project, you could get the User information form HttpContext. (Honestly, I think googling how to get the SamAccountName of an AD Nov 29, 2019 · You can add the application pool to your SQL Database as a Login and user. cshtml view, but I cannot find a way to get it to work in . My understanding is that IIS should be handling my windows creds and forwarding it to the site. The username for If you're using token/cookie, then you're not using windows auth anymore. When I load the page, I get not one but TWO print statements and only the first contains the username. Apr 23, 2025 · The learning curve is definitely there, but it’s not that bad – most of the things work in a similar fashion, but a huge number of details are different. I promised an example to someone who has been trying to get this up and running this week and thought I’d throw the info up here in case it is also of use to someone else. Sep 28, 2022 · If I run under Visual Studio using IIS Express my AD username is displayed in the Logon block correctly. When the app loads on my server it shows the domain/ Feb 22, 2021 · I have a Blazor server-side project which I've been developing in Visual Studio 2019, using . var user = System. When I try to access the email address for the logged in user, it is blank Apr 7, 2025 · This article explains how to secure an ASP. Blazor WebAssembly User Identity. AddHttpContextAccessor(); } Jul 10, 2019 · I'm testing the waters with a blazer server-side app and trying to get the logged user in a . Windows Authentication in ASP. NET 8. That's all I did for the Blazor app. Net 7) app where I'm trying to get the current users username and whether or not that user is part of a specific AD-group. Mar 20, 2023 · The IIS user account may not have permission to upload files to the server. It was so easy in . 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. razor @using Microsoft. com , make sure it's accessible via newname. Aug 4, 2022 · If your intention is knowing the user's identity then your solution will NOT work. AddHttpContextAccessor(); (un Jun 9, 2021 · I'm having issues with my Blazor app and Windows Authentication after getting IIS hooked up to it. It is giving NETWORK SERVICE as the username instead of current logged in username. Below are the changes that I made: Oct 22, 2021 · I am using . It generates the following error: System. Name,user. NET 8 (with Interactive Server) does not work successfully in my environment using IIS with a load balancer. So, that's what we've done for years. Sep 15, 2019 · When we created our server-side blazor app (ASP. ner core Identity. Expected May 15, 2024 · I encounter the same issue. User (App User): Represents your application-specific user object, which is associated with the IdentityUser through a relationship like User. js). This blog runs through the steps required to integrate Windows AD into your Blazor Server application running on . First we create a normal Blazor Server project. 25. But how would I be able to get other values of that authorized user from the database? eg. It is true that the HttpContext is not available when a WebSocket connection is in operation, but this must be clear: When you type an url and press the enter button, the connection to your server-side Blazor app is an HTTP connection Jun 5, 2020 · I know you can use @context. If the user is in the correct group, then the user will be given a claim of the type RoleClaimType. I’ve created the UserInfo class in the client project for this app. js in . 0 by doing just the cmd @context. Nov 15, 2023 · I now do not remember the exact setup, but the API layer middleware comes before the request gets to Blazor. They are all Blazor components, and they are superb, and work in association with the Identity UI( Razor Pages). UserName has returned the word "SYSTEM" despite the user name still being the same as it was before. 0 selecting Windows authentication in the project wizard. All has been working fine. Name. If I use. If you have ADConnect already set up, you can pretty easily set up azure auth in your app (and it's even simpler with blazor 8), and you'll break the shackles of needing to be h Dec 23, 2022 · I am building a Blazor Server app using . Note: The instruction is part of Blazorthe preferred_username claim is created by IdentityServer as specified by the OpenID Connect and oauth2. Web. Now I find Chrome always reports "An unhandled exception has occurred", with no errors in the console, and the page loads fine in IE. Jun 17, 2024 · I have a solution in . 0 / OIDC flow and I have a Blazor server-side (. Mar 10, 2006 · ok guys, i have narrowed it down ot not being ASP, but IIS Config i started coding this project in classic asp, and converted to asp. Claims @inject AuthenticationStateProvider _authenticationStateProvider @inject NavigationManager _navigationManager; @code { protected override async Task OnInitializedAsync() { var authState = await Jan 13, 2020 · I've got a Blazor server-side app using Windows Authentication that is not working from a published build. I am aware of the… Nov 22, 2023 · The authentication state provider the app defined is only used within Blazor and is not integrated with the ASP. Net 8 server app and need to access the username of the user logged into Windows from within the razor pages. For more information, see Configure Windows Authentication in ASP. The Blazor Web App script (blazor. NameIdentifier,user. Web @using Microsoft. Jan 17, 2020 · For my Blazor application, I am using a custom authentication state provider. Principal. webassembly. 2. In my organizations network, user login name is the only useful piece of information I am able to get from (await AuthProvider. Jul 31, 2024 · I have the Visual Studio 2022 generated Blazor . Dec 30, 2019 · Weird, I'm having just the opposite result. net core 5. Oct 13, 2024 · This doesn’t automatically extend to pages or components running in WebAssembly on the browser. FirstName + " " + user. oly ixvp upeqj angkn qyfvp wau cjcmfg olndkrb cccgba vck