Blazor get windows username not working 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. I can't use the username as usernames might change. 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. Maybe it only works in IntersactiveServer rendermode but not in SSR. Google, Azure, and GitHub Providers Oct 14, 2024 · Solved- How to Redirect to Login Page in Blazor When User is Not Authenticated. But how would I be able to get other values of that authorized user from the database? eg. 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 *. when it was on my xp workstation, i would disable anon access, and use intergrated windows auth in my iis settings, and using "Request. NET 5): Add nuget references: Microsoft. ServerVariables("LOGON_USER")" would return DOMAIN\username. Name; return to me the current login user not the application pool user and System. I have the Identity library scaffolded in, authentication is working, and I have created pages to CRUD claims. 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. What it does by default, is grab the users Windows credentials and grants authorization that way. Aug 23, 2022 · I get no errors in the windows event logs , I have installed . NET 9 version of this article. Instead of trying to make it work with windows auth, I would consider moving to an azure authentication approach. Sep 15, 2019 · When we created our server-side blazor app (ASP. "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 . 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. Nov 19, 2024 · Warning. 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. SamAccountName on a domain machine with the AD-SnapIn installed (e. config; System. I created a test web app with windows authentication and tried adding missing bits into our existing web app. Net 6 template last year, running online all the time. NET Core Support Policy. I go to the advanced system settings and set my environment variable (for example MY_HOST_NAME) by system-level variables. During prerendering, Blazor Web respects the metadata defined on the page and uses the ASP. 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. name. CallingUser = System. But "Challanged" should respond with the correct OAuth 2. 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 . LastName) }; Mistake #2: Using HttpContextAccessor to get user information. NET 6. AddHttpContextAccessor(); } Jul 10, 2019 · I'm testing the waters with a blazer server-side app and trying to get the logged user in a . 0 selecting Windows authentication in the project wizard. net 7 lets you choose Windows Authentication and works immediately. GetAuthenticationStateAsync()). CREATE LOGIN [computername$] FROM WINDOWS; Jan 4, 2025 · The reason I know this is because I put a Console. I tried it via HttpContext, which is unreliable, according to this github issue. This blog runs through the steps required to integrate Windows AD into your Blazor Server application running on . 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. 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. NET Core Blazor WebAssembly standalone app with the Blazor WebAssembly Authentication library. 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. Oct 10, 2021 · Here's a very simple Test AuthenticationStateProvider I hashed up recently for a Server Side project. [startup. Jul 31, 2024 · I have the Visual Studio 2022 generated Blazor . User. It generates the following error: System. This works in both a controller and a razor component. To get current username, I added: In startup. Managing service with Blazor. Extensions. js, things work successfully: I also have the following script logic set in App. I have enabled Windows Authentication on the app. cs] public void ConfigureServices(IServiceCollection services) { services. Nov 2, 2021 · Hello! So, what I want to do is get a hold username or e-mail to identify users. Email), new Claim(ClaimTypes. When I load the page, I get not one but TWO print statements and only the first contains the username. 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. Note: The instruction is part of Blazorthe preferred_username claim is created by IdentityServer as specified by the OpenID Connect and oauth2. 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. User. Meaning that the Cascading Parameter thing only passes the value on the first render. Getting authentication work with AuthorizeView component is a little bit tricky and needs some additional work. webassembly. The app runs on IIS and uses Windows Authentication. UserName and domainname. Name). identity. 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. The browser console shows this after logging in to the application with the admin user: Startup. Now I find Chrome always reports "An unhandled exception has occurred", with no errors in the console, and the page loads fine in IE. NET Core authentication system. But when I publish the application, and start it locally it does not work anymore. NET Core site with a WASM app wrapped inside. cs as follows. company. 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. The user name is obtained from the WindowsIdentity object and includes the computer or domain name (for example, COMPUTERNAME\UserName or DOMAINNAME\UserName). 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). I’ve created the UserInfo class in the client project for this app. 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. 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. It is giving NETWORK SERVICE as the username instead of current logged in username. during registration, the user puts in the username, phone number, and password. I use the IdentityUser with my ApplicationUser model that extends IdentityUser. NameIdentifier,user. NET 8 and all I get is 401. See Also. gives the username but I need the ID for a fk in a model/table. Routes. Why they did not expose the ID is beyond me. NET 8 or later. n_t_in: cannot install the nuget AspNetCore. AspNetCore. ToString()), new Claim(ClaimTypes. 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). GetAuthenticationStateAsync() as per the documentation. All has been working fine. NET Core authentication system to determine if the user is authenticated. I work in a corporate environment with Azure Active Directory (Entra ID). using Microsoft. Services. NET Core is no longer supported. LogonUserIdentity. Net output console. Mar 25, 2025 · This article describes how to secure a Blazor Web App with Windows Authentication using a sample app. 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 . Name! gets the username. The destination URL is within the internal base URI space (the app's base path). 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. Blazor is a single-page application (SPA) framework, and since there is only one request, the request cannot contain the user information. But there are Blazor components that are used to authorize the user, send him back to reconnect, etc. 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. 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. FirstName + " " + user. All seems fine accept that HttpContext is always null. (The type initializer for 'WinRT. With Blazor . NET). 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. net core 5. AuthenticationScheme) . I can just let them log in via the windows auth prompt. Apr 10, 2015 · Nothing on the server. For a Razor Page, the current user name can be accessed with Context. The answers I tried gave me the 'other' username. The GetUser returns the long string of id, username, name, email, etc. You could try following steps: Create a Blazor Web App project. User and its properties (see below for an example), in . Aug 25, 2024 · I have a Blazor Server application and need to get the current user ID. 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. NET 7 to . Aug 4, 2022 · If your intention is knowing the user's identity then your solution will NOT work. Cookies don't travel inside http body or inside signalR pipe, but in HTTP headers. I dont get authenticated anymore. 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. 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. 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 . Mar 20, 2023 · The IIS user account may not have permission to upload files to the server. Sys . NET Identity user, which contains user information like email, phone, etc. Jan 31, 2022 · I understand @context. Create an intermediary service within blazor that will call the state provider to get the username and subsequently call the business layer. To grab that information, which is of type Task<AuthenticationState>, you need to set up a CascadingParameter property in the . Authentication. I have a site in IIS 6 running with anonymous access enabled. Dec 4, 2019 · Environment. In ASP. But if I try to get the variable within my application which is hosted by IIS, there is the variable null. cs I am writing an app that runs on a LAN. web. Net 8] for test (No DB / Data / New Page added) using Radzen Blazor Studio 1. 25. NET 6 and an external API I was able to use Windows Authentication and everything worked great. Blazor WebAssembly User Identity. 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). 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. 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 then added an empty API controller with one simple HttpGet method that just returned IActionResult OK(teststring). 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. In a . "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. Below are the changes that I made: Oct 22, 2021 · I am using . Name is instructed to display the value the preferred_username claim holds. 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. I want to get the user's username and phone number after the user login. WindowsIdentity. Surname,user. HttpContext. Authorization; using May 18, 2022 · (btw all is working when Hosting on Windows2012R2 + IIS8. In IIS, all authentication for the app is disabled except for Windows Authentication. That takes some extra work. Create a new Razor Pages or MVC app. net core 6 and its works as i expected here is the code. UserName To display the current user's name and it's been working all this time. May 14, 2015 · Base on my test under IIS having Windows Authentication only enable and not impersonation on the web. com , make sure it's accessible via newname. Id. razor @using Microsoft. js). 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. Writeline() statement in OnInitializedAsync() that is supposed to print the user name to the debug console. List<Claim> claims = new List<Claim> { new Claim(ClaimTypes. Create a pretty login page that asks for credentials and verify the credentials yourself. 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. 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. NET 8 and I am struggling with the Authorization. If the user enters that page URL manually in the browser they will see a generated unauthorized page. razor The default blazor server template for VS2022 and . 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 . 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. ActivationFactory`1' threw an exception. AggregateException: 'One or more errors occurred. com and your server is randonname. g. In Blazor, the user's authorization information is cascaded down to you through the CascadingAuthenticationState component. You run the sample app and it outputs your logged in username in the upper-right hand corner. So e. This function returns a string in the format "domain\user". AspN Nov 10, 2021 · I want to get current windows user name when user opens the website. In my organizations network, user login name is the only useful piece of information I am able to get from (await AuthProvider. Sep 4, 2024 · So, I'm not going to use a Blazor WebAssembly template, even with the Blazor Web App template. Negotiate Jan 21, 2021 · I am tired of trying to get windows authentication working in ABP Blazor. The username appears in the rendered app's user interface. 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. NET5. (And I have read this multiple times. UserManager. razor page with the following code. Jun 17, 2024 · I have a solution in . Subsequent users do not get asked to log in. First we create a normal Blazor Server project. Jun 24, 2022 · Security is not an issue since this app will run internally. The template works, because they have the login page in account/login, but the tag NotAuthorized is not working as expected in Routes. js) only supports the Proof Key for Code Exchange (PKCE) authorization code flow via the Microsoft Authentication Library (MSAL, msal. 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. 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. js in . Components. 0 / OIDC flow and I have a Blazor server-side (. Name) to get the current windows logged on username. 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. Web. Learner). The app specification for the Blazor Web App: Adopts the Interactive Server render mode with global interactivity. Net 8 server app and need to access the username of the user logged into Windows from within the razor pages. When I go to access the site normally, Chrome (and IE) prompt me for a username and password. 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. Change the about page to: @page "/about" @inject Microsof The server application won't have any context about the username of the windows user. Oct 13, 2024 · This doesn’t automatically extend to pages or components running in WebAssembly on the browser. differentdns. Name to display the username but I'm not sure how to access the @context from within a @code section to get the username. Sep 4, 2024 · Where I work all applications must use Windows Authentication. I am using (System. NET Core Web App) initially we did not enable authentication. Then I went with the MS documentation, without success. Expected May 15, 2024 · I encounter the same issue. 0 / OIDC flow and I did NOT put in any impersonation config in the web. 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. Jan 17, 2020 · For my Blazor application, I am using a custom authentication state provider. cs: builder. I let the user login via firefox, which always show a windows console prompt. So, that's what we've done for years. ) I want to do two… May 6, 2024 · So I created two projects: a Blazor Server app and a Console app. Using Authorizing state. 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. Context. Try this code: @using System. 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. You got me thinking in the right direction, thanks for your help. NET 8. GetCurrent(). NET and . I am part of domain though. 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). 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. 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". I am working on learning Blazor using . If you are familiar with PowerShell, you could execute (Get-ADGroup "<Group-Identifier>"). The Blazor Web App script (blazor. ner core Identity. Name value: Feb 2, 2021 · As @Panagiotis-Kanavos pointed out, if you deploy a "hosted" full WASM app (i. 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. Its easy to get the email and the user name, but not the ID. I had hoped that I could use Windows Authentication with the Blazor Server App template. 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. May 7, 2023 · IdentityUser: Represents the ASP. In the past, with ASP. UserName has returned the word "SYSTEM" despite the user name still being the same as it was before. 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. 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. 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. Inside the app I would like to access the database as the Windows Active Directory user using the site, not the IIS user. I receive the following SignalR errors: When I switch to using blazor. If I use. Claims @inject AuthenticationStateProvider _authenticationStateProvider @inject NavigationManager _navigationManager; @code { protected override async Task OnInitializedAsync() { var authState = await Sep 12, 2024 · Visual Studio. aspx page, I get the Windows username with the function Request. Name; then I was able to get the user name. This is build just for the sake of procedure. var user = System. I am trying to get the windows logged on user name inside the user control using ASP. AddAuthentication(NegotiateDefaults. I created a new Blazor App, Server Side with Authentication method Windows Authentication and overwrote the FetchData. This version of ASP. 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. While MVC and Web API commonly use HttpContextAccessor to get the user information, it's not recommended to do the same in Blazor. razor page. AddAuthorization(options => { // By default, all incoming requests will be authorized according to the default policy. Name,user. 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 . 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. For more information, see the . Principal. NET Core 5. com) Jun 23, 2022 · Here's a screen capture showing both the user windows security info and the added Role. 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 &quot;NotAuthorized&quot; to work. The server and clients are all on the same Windows domain. I have a sample Blazor server app and am able to login but the only thing I can see is the users name (user. 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). NET Core 3. That's all I did for the Blazor app. 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. When using this, I get the name of the app pool instead. Jul 1, 2020 · Using Blazor server app. )' The Blazor Web App script (blazor. Next (just to validate windows Auth Functionality), I added the following in my MainLayout. I have applied a breakpoint on its implementation in the custom CosmosUserStore class and it doesn't get hit. Any kind of help is appreciated. The feature isn't explicitly disabled. This is essentially LDAP authentication. 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. I've perused the internet and tried multiple suggestions, none of which work for me. The user who opened the application is not registered in the database. The username for If you're using token/cookie, then you're not using windows auth anymore. 11 and deploying using Http. But I also need to be able to get the roles of the user. If the user is in the correct group, then the user will be given a claim of the type RoleClaimType. Nov 16, 2023 · So for people finding this thread, I have found that blazor. If they are denied ac Jun 18, 2023 · Hi all; Ok, I'm diving in to using the authorization part of the Identity library. For the Blazor server app, all I did was create the app targeting . 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. Most scenarios have a Web api application on a Web server hosted at a data centre or in the cloud. 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. 0. ToString() return the application pool user. 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. For more information, see Configure Windows Authentication in ASP. Jul 18, 2019 · I understand @context. netcore 6. The Blazor WebAssembly Authentication library (Authentication. 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). Program. Nov 15, 2023 · I now do not remember the exact setup, but the API layer middleware comes before the request gets to Blazor. The authentication works when I start the application in Visual Studio 2019. My understanding is that IIS should be handling my windows creds and forwarding it to the site. Windows Authentication in ASP. Using preview 9. After some research i have changed the sitefinity web I have a Blazor server-side (. Then I restart the server and check with the commandline "set" if the variable is there and I can see it. I'm using AuthenticationStateProvider. server. 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. LastName), new Claim(ClaimTypes. Run the app. User (Claims does provide any other data). Ironically, the IsInRoleAsync method is not even called after logging in to the application. (Assume no CORS issues). NET 7 or earlier and the server project of a Blazor Web App for . I’ve looked at all of the documentation and samples and just keep going in circles on how to basic stuff. In the Additional information dialog, set the Authentication type to Windows. If a user doesn’t have access to certain page it will not appear in the application navigation. 1 and ASP. By default pages created in Radzen Blazor Studio allow access to Everyone - both authenticated and anonymous users. Perform the following to enable Windows authentication on Blazor and ASP. . Nov 9, 2020 · Gets or sets the claim type to use for the user name. Identity. 2. 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. I get the same results if I use the AuthenticationStateProvider or IHttpContextAccessor. js) or Blazor WebAssembly script (blazor. For the current release, see the . 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. 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. NET 8 (with Interactive Server) does not work successfully in my environment using IIS with a load balancer. NET CLI; New project. NET Core etc. 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. The method. js) is used, not the Blazor Server script (blazor. I get the AppPool Identity that the appppool is set to run as. The Authentication/Authorization links in my first post illustrate several methods to authenticate and authorize access to remote resources. Jul 29, 2021 · I've figured this out using a combination of GetUser, Mid, and Split functions. Jun 21, 2022 · In my opinion,you should have authentication to get UserName,you need to Enable Windows Authentication. Maybe it is a bug from Microsoft. AspUserId == IdentityUser. 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. 0 by doing just the cmd @context. That way we can reference it from both the server and client apps. GetAuthenticationStateAsync() method to get the authentication state of the current user. NET Core this is handled via dependency injection. The accepted answer did not work for me using server-side Blazor with . I have the app pool running as a domain account, but I need the user name doing the request. The app is very simple, with just one page with minimal components - even simpler than the default Blazor app provided. they get challenged for username/password once and we used to grab the IDentity Principal ever since as they are all server hosted. Dec 30, 2019 · Weird, I'm having just the opposite result. This. 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. Jun 30, 2022 · Blazor Server + Windows Auth (AD) June 30, 2022. I am using . 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. My application uses Blazor server-side. There is no "User" property to access. It was so easy in . Apr 2, 2024 · Looking for some help here please I created a blank application [Blazor Web Application . 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. and API using asp. However, started working on my project today - Environment. I also understand I need to use this component inside of the <AuthorizeView> section. cs using System. It's a client-side problem. exe. For server-side Blazor applications this additional work is done for us by product group. Now I am building a project with the same architecture in . Sep 28, 2022 · If I run under Visual Studio using IIS Express my AD username is displayed in the Logon block correctly. Current. Domain Controllers), or you can use the "Active Directory Users and Computers"-SnapIn of mmc. Yet, Visual Studio 2022 still doesn't allow me to use Windows Authentication with when specify server only. 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. NET and C#. NET Framework, you’d do this by accessing HttpContext. 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. net (VB. So, here are my questions. net core 2. After I enter my credentials and click Sign In, it just refreshes the prompt and asks me for it again. cshtml view, but I cannot find a way to get it to work in . We would like to enable windows authentication now. The EasyAuth is working correctly. Nov 1, 2019 · In Blazor, the process for getting the ClaimsPrincipal object is a little more complicated. In other words, @context. I tried to get the user name in the article below, but the username was returned null. o specifications. AddNegotiate(); builder. Jun 30, 2021 · I am trying to grab the user that is logged in the Blazor app on . Perfectly fine before tonight. Oct 18, 2019 · I try this in blazor web assembly. net 6 hosting bundle, when run the console app alone it does not have any errors. Web @using Microsoft. Name. 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. e. NET Core Controllers for IIS and Kestrel (applies to ASP. However if I deploy to IIS then I don't get the current logged in user. NET Core. config file. This gives endless possibilities in managing the service, not even from the system itself but also remotely. 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. Email,user. 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. They are all Blazor components, and they are superb, and work in association with the Identity UI( Razor Pages). net core (no WPF or Windows. Security. This code works, Dec 10, 2020 · I want to get the name of the current Windows user for my Blazor Server 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 . NET 7 that works ok, however I want to migrate to . Jan 29, 2025 · Windows auth prompt - used during debugging of specific user errors. (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. 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. As I understand it, Server App does not use cookies but it obviously has some sort of cache to remember a user. Nov 24, 2020 · To get current user details in a Blazor page, we need to inject the dependency IHttpContextAccessor. The below code return the app name: @using Microsoft. GetUserAsync(User) works in . We will cover some core concepts that can get you familiar with how authentication works in Blazor Applications. 0 Next I added "WINDOWS" Authentication (again by using Radzen Blazor Studio). User (App User): Represents your application-specific user object, which is associated with the IdentityUser through a relationship like User. cs: services. We need to configure the IHttpContextAccessor service in the startup. You can then use identity to create user accounts and store user information. , so I used the Mid function to separate a portion of it, where the username begins. Jan 24, 2024 · Auth0 exposes the user’s name via the name claim. razor. AddHttpContextAccessor(); (un Jun 9, 2021 · I'm having issues with my Blazor app and Windows Authentication after getting IIS hooked up to it. kteum htnfd ghoa mazczg uvlol zwfy xfzp bavj jlk bapufbdp