Blazor server authorizeview not working. I have asp.

Blazor server authorizeview not working. Any help would me much appreciated. Jul 30, 2019 · Learn how to implement policy-based authorization in Blazor apps, its advantages over role-based authorization, and integration with WebAPI and client-side Blazor. blazor to include CascadingAuthenticationState and AuthorizeRouteView that references a component forcing a redirect to a login page if the user is not authorized. Im not sure if it because of the way Blazor server sided app runs with websockets using SignalR or my entire setup is dumb. It seems unlikely you'd give a user the role "role". I'm trying to use AuthorizeView with policies to hide options in my Dec 14, 2023 · Blazor AuthorizeView not updating If the page not reloaded Asked 1 year, 10 months ago Modified 1 year, 10 months ago Viewed 993 times Oct 11, 2019 · I have a working . For server-side Blazor applications this additional work is done for us by product group. The reason is that the role-based authorization uses the claims type Role in the user claims table. I have followed the following docs: https://learn. cs). Blazor provides built-in mechanisms to implement role-based access control, ensuring secure and controlled application access. Jul 12, 2024 · Lastly, If auth is setup correctly, you shouldn't need to reference the AuthenticationStateProvider directly, it is injected by default in the Blazor framework, so you should just be able to use the page authorize attribute; for specific page elements, use the AuthorizeView component. All content within a Blazor WebAssembly app placed in an AuthorizeView component is discoverable without authentication, so sensitive content should be obtained from a backend server-based web API after authentication succeeds. NET Core 3. So, if you want to exclude some pages from the authentication Learn how to fix Blazor CSS isolation not working with this step-by-step guide. net 8. Dec 20, 2023 · 8 I ran into some strange behaviour with the authorization in Blazor with . The role-based authorization using <AuthorizeView> will only work if we add records to the [AspNetUserClaims] table. e roles or policies), so, it only checks if the user is authenticated. Jun 3, 2024 · Specifically, it seems like there's a conflict between the authentication services provided for Blazor Server and Blazor WebAssembly. Apr 17, 2024 · 4 I'm having an issue with Policy authentication in my . razor page in the client project includes both the @attribute [Authorize] directive and the <AuthorizeView> component, as shown here: Aug 14, 2025 · Using the above role-based filtering in the markup will not work with the current state of the user account and roles. Aug 15, 2022 · The cookie expiring has no effect. In the previous post, I showed how to create an ASP. In today's post, I will be showing you how to implement basic authorization within a ASP. May 15, 2024 · I’m facing an issue with . But I am unable to get the AuthorizeView tag working to protect things like navlinks. The entra authentication is working and I have a page that verifies policies are working via an <AuthorizeView> and claims are set. com/fr-fr Authorization on the other hand isn't. 101 everything in the webapp seems to work fine except the login/logout features. So that I'm afraid any unexpected behavior shall be expected. Sorry I can't provide much more as I'm not sure what isn't working with your blazor view, you say it isn't working, but in which regard is it not working? AuthorizeView in Net8 Using JWT token with local storage, can I understand why after login only the client side seems to recognize the authentication state but any page running on the server doesn't recognize it ? Nov 12, 2024 · Learn how to create a custom authentication state provider and handle user authentication state changes in ASP. Apr 6, 2023 · I get the "AuthorizeView" and "Authorized" components but unsure how to overwrite this to see if the current page is "valid" for the user. chiarelli 6 I am fixed this issue sample way and work for me perfect, use Blazor authentication and authorization for detect user Authorized or not by using JWT or any process for Authorized user for change user auth or not using GetAuthenticationStateAsync override method I am using JWT for detected user login success or not string token = await Apr 15, 2020 · I'm working on a small application that uses Blazor and Authentication / Authorization and for the most part the Roles based authorization is perfect. Aug 10, 2023 · Hence my question: Does authorization via the AuthorizeView-component only work when a default authentication scheme is provided? My attempts to solve it differently, like calling RequireAuthorization on endpoints. To work with users and claims (in Blazor Server applications) you may also need to inject a UserManager<T> (use IdentityUser for default) which you can use to enumerate and modify claims for a user. When I set this in the app. Using VS Community 2019 V16. NET Core Blazor applications. razor page, I've set NotAuthorized tag to redirect anonymous user to login page, but that doesn't work. cshtml. The group-to-role mapping is fetched from a DB. Sometimes the "Hello Jan 24, 2021 · I have a Blazor server application with Identity setup to utilize a SQL Server. NET 8 and Blazor. Dec 5, 2020 · I've been trying to get a very simple project using the <AuthorizeView Roles="rolename"> without any luck. Apr 12, 2021 · We have a Blazor server-side application and we use for authorization the component with Roles and Policies. NET 8 Blazor web app, which uses local AD authentication. NET 8 and I am struggling with the Authorization. net core 3. 8 Preview. NET pipeline to call my HandleRequirementAsync method on Feb 19, 2022 · Is there an existing issue for this? I have searched the existing issues Describe the bug Hello , when I use new claims. Identity authentication to the generated application. The interactive render mode is set to Auto (Server and WebAssembly). When navigating with a href clicks it works fine authenticating the user and showing authorized page. Jul 25, 2024 · I have a Blazor Server app that uses Windows Auth. Read more… 🏻 Brought to you by @andrea. Oct 5, 2023 · Describe the bug I have created a "Blazor Web App" using Visual Studio 2022 17. By defining roles and policies, specific functionalities or resources can be restricted to users with certain roles. Jul 29, 2025 · Warning The AuthorizeView component selectively displays UI content depending on whether the user is authorized. I've got my azure web app and app registration and authentication working. Aug 11, 2023 · I'm trying to implement a policy-based authentication in my Blazor WebAssembly (. Aug 11, 2023 · I've created a blazor server project and added basic authentication by creating a custom AuthenticationStateProvider. … Aug 14, 2025 · In the previous post, I showed how to use the AuthorizeView authorization tag within a Blazor component HTML markup to protect a region of HTML content from being displayed when the user is unauthenticated (not logged in). NET C Blazor authorize attribute not working For the authorization to work as expected, along with the [Authorize] attribute we must also use AuthorizeRouteView component instead of RouteView component. Part of the implementation of the Identity UI included using the item creation template to generate the scaffolding for Identity UI Apr 1, 2022 · Is your feature request related to a problem? Please describe the problem. The behavior I would implement is: If an ano Sep 8, 2023 · I'm working on a Blazor application, and I'm trying to apply a custom authorization policy using the [Authorize] attribute to allow anonymous access to certain components. The account I created was a basic account with an email address and user details. I created a small project with 2 test files, test and test2. This distinction is important, especially when Authentication is involved. Oct 24, 2019 · You did not mention whether you're using a Blazor WebAssembly or Blazor Server. NET Core Identity is designed to work in the context of HTTP request and response communication, which generally isn't the Blazor app client-server communication model. 0) - [Authentication = Individual User Accts - ASP. I want to know why it doesn't do it when I initially navigate to the page. Normally in a Blazor application pages are available to unauthenticated users by default, unless you mark the page with an [Authorize] attribute. Feb 18, 2022 · i want authorize user with api controller and save claims to cookie and after that authorize my blazor server with it this is my code for api Controller public async Task&lt;IActionResult&gt; Login([ Mar 31, 2025 · Hi, I set authentication settings in Blazor Server . Blazor is a powerful framework for building web applications, but it can be tricky to get CSS isolation working properly. How to Show/Hide menu items when using AuthorizeView. I would like to have a section of a NavBar component wrapped in an <AuthorizeView> tag to limit access to only authorized users, but then use nested <AuthorizeView Roles="admin, user, etc"> within to show/hide various options within the list, if shown. Isn't it an issue with the project template that it does not contain AddServerSideBlazor() by default? Mar 25, 2020 · I am trying to develop an app using Blazor WebAssembly and I am wondering about how I can protect my whole application if the user is not authenticated. NET 8. Role-Based Authorization in Blazor enables access control based on user roles. But when the same user Jun 20, 2024 · Hello @franky1017 For guidance on Blazor authentication capabilities, refer to Blazor documentation on the topic. After authenticating, credentials Nov 23, 2023 · I'm using Blazor RenderMode InteractiveServer globally and Prerender turned off. Mar 5, 2024 · i'm using the latest dot net 8 and blazor app as a server side rendering. Oddly if I use <AuthorizeView Roles="Admin"> this works and seems to respect the roles in the claims as I would expect Feb 29, 2020 · I'm trying to set up authorization with Blazor . I did manually add authorization because our requirements are not met with the default authorization template of Blazor. I can add Claims to my current user but when I try using the component, it just doesn't show up. Role, role)); @Attribute [Authorize (Roles = "admin")] and AuthorizeView Roles="admin" works Jan 24, 2024 · This enables us to use Blazor’s built-in auth components like AuthorizeView in all components, irrespective of where they’re running (on the server via SSR, or interactively on the server or client via WASM). putting <p>not working</p> doesn't help. I am aware of that solution. However, I guess that you're using Blazor Server as it seems to me that you're using WindowsAuthentication, right? The following are the steps to do it: Create a class that derives from the the AuthenticationStateProvider, and override its I first noticed the way you're handling auth state is not what I'm used to, instead you should checkout the AuthorizeView component. cs File: builder. Additionally, this component supplies a cascading parameter of type Task&lt;TResult&gt;, which makes the user's current authentication state available to descendants. In App. Aug 23, 2022 · When loading Blazor Server with an authenticated user, the contents of NotAuthorized is briefly shown before the content switches over to Authorized. I also use JWT authentication (not sure how it behaves with other authentication methods). razor, the authentication on the page stops working Jun 25, 2025 · Where does AuthorizeView get it's initial AuthenticationState from, if not from the registered AuthenticationStateProvider? My assumption would be that any time authentication state is needed, it would always use the registered AuthenticationStateProvider dependency. 8. For this test, we have used a standard Visual Studio 2019 Blazor Server Nov 18, 2024 · I have written a web app using Windows Authentication. The sample is a slightly modified version of the Blazor Web App template with its default settings (no authorization). net 8 removed blazor server but added blazor web app, and in . I have a 3rd party control set that requires the render mode to be set to InteractiveServer. Problem When I make a Post request to my controller it doesn't want to enter the ActionResult if I add the [Authorize(Roles = In This video you will learn how to implement role authorization in server side Blazor Application. AspNetCore. It provides a way to conditionally display content depending on whether a user is authenticated and authorized to access certain parts of an application. The problem I find myself facing is that my understanding of AuthorizeView allows you to restrict access based on roles and policies. Here’s how to troubleshoot and fix this issue: Oct 17, 2024 · Again, I'm not interested in <AuthorizeView> components. I have scaffolded identity pages as well: I am using a custom id Jul 13, 2024 · Describe the bug I am trying to use roles via the authorise attribute @attribute [Authorize(Roles = "Admin")] to limit access to razor pages but this doesn't seem to be working as expected and despite the Claims containing the matching role I'm getting a 401 unauthorised page. [Authorize] only working for routing sounds like it is supposed to do what I want it to, and it does do what I want when I refresh the page. The problem is when I add NotAuthorized and NotFound it fails to navigate to either my May 27, 2024 · Blazor Authorization - AuthorizeRouteView NotAuthorized tag not triggered when directly accessing /auth from address bar in the browser #55911 Blazor AuthorizeView component In Blazor we use AuthorizeView component to show or hide UI elements depending on whether the user is authorized to see it. razor file, use AuthorizeRouteView component instead of RouteView component. I have created a Blazor server Nov 10, 2019 · We are starting to migrate a project to blazor, and are having some issues with restricting content to only logged in users. Apr 13, 2022 · } Note: The AuthorizeView component, covered later in this chapter, provides a declarative way to control what a user sees on a page or component. Both authorize users and provide their content according to their privilege. Apr 11, 2024 · Hi all; Is there any way to force the AuthenticationState to re-read the database when claims have changed? I've implemented a ServerAuthenticationStateProvider and Hello, I’m using Auth0 in a Blazor WASM application. NET 5. NET 7 to . Everything works like I would expect, except the user is not redirected to their previous page after logging in. 0 Blazor client app and I am unable to get the [Authorize(Roles=&quot;Admin&quot;)] and AuthorizeView tag to work. Jan 23, 2024 · I have a DotNet 8 Blazor Server App and I can get the basic auth0 authentication working and protect pages, etc. NET Core Blazor server application with identity UI services. 0. I ran into the following problem: the site starts normally from the main page, I log in and go to the pages requiring authorization - Authorization on Route Blazor Server provides 2 different approaches to authorize users: AuthorizeRouteView and AuthorizeView. It uses the new(ish) Blazor Web App template, which means that there is a constant SignalR connection between server and client. Implementing authorization Similar to Blazor WebAssembly Implementing authorization in Blazor is an essential aspect of building secure web applications. On the other hand, if I try to do it in code and Jul 18, 2025 · I'm just getting started with Blazor, and while going through the scaffolded project that uses Identity with both SSR and WASM, I noticed that the Auth. Mar 4, 2021 · I have a custom authentication system in Blazor server app, with custom database and some logic. Check out the source code for this example here. After login, the the login server would redirect back to the blazor server with the token. Just the very basics like described on this microsoft page When adding a AuthorizeView component to a razor page (with or without the Authorized and/or NotAuthorized sub-components Jan 3, 2022 · I have a . 5 days ago · ASP. After the message "Attempting to reconnect to the server: 1 of 8" is displayed the loses track of the existing roles and it returns "not authorized". Any hints on what I'm missing? I've been digging and digging trying to figure it out on my own but I'm just stuck. It works correctly, but in my app. I added Dec 11, 2019 · Using Authorizing state Getting authentication work with AuthorizeView component is a little bit tricky and needs some additional work. 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. After setting it, I put the [Authorize] attribute on the API call in the controller. I have asp. All posts in Using Auth0 with Blazor Web Apps Jul 9, 2024 · Explore the top 5 steps to troubleshoot and resolve unexpected authorization behavior in Blazor with . This guide will show you how to fix common problems with CSS isolation in Blazor, so you can create beautiful and performant web applications. Mar 6, 2024 · To make server-side rendering work I had to remove AddApiAuthorization and add AddServerSideBlazor(). What's funny is that, while I can't get the . Here is my Blazor page <AuthorizeView Roles="Admin" Context="adminContext"> Jul 18, 2019 · Known issue: In ASP. NET 7) application. Jun 14, 2022 · I'm working on a new application in Blazor. My authentication uses a custom provider (not relying on HttpContext), and I need to enforce authorization rules both on the UI (hiding components, buttons, menus) and server-side (restricting access to sensitive methods). Includes detailed instructions and code examples. I've changed the default Routes. I have tested that the site authenticates fine. NET 9. I have a Blazor Server app with a Custom AuthenticationStateProvider. NET7 I have a project that mixes Blazor Server with Razor pages to perform login (Login. AuthorizeView is a component in Blazor that allows developers to control the rendering of UI elements based on the user's authorization status. I use <AuthorizeView> to contain restricted content, but it always resolves to <NotAuthorized> until I refresh the page. Nov 15, 2023 · I've created Blazor WebApp via VS 2022 template with individual identity. Nov 10, 2020 · I am trying to set up a simple Blazor project using Windows Authentication as a proof of concept and I am mis-informed with the capabilities of Blazor or I have misunderstood what I have read up until now. Is there some other places I need to set the initial Authentication state? Aug 2, 2024 · I am migrating the Blazor Server project from . Based on the group memberships of the user, I am adding role claims using IClaimsTransformation. The [Authorize (Roles = "role")] means the user must have a claim of whatever your claims principal role claim is called with a value of "role". razor and Home. I have started to migrate some of the front-end pages to Blazor (in same project) but cannot get May 18, 2020 · I have a problem, the authorize attribute is not working on a page, using Server-side Blazor. Oct 13, 2023 · Is there an existing issue for this? I have searched the existing issues Describe the bug In the Auth page the AuthorizeView does not work reliably in Blazor-Web-App Template. The problem is when I add NotAuthorized and May 14, 2020 · I have been trying to learn Blazor identity service. Nov 12, 2024 · Could you pls share the tutorial you followed to work on your app? Blazor in . Add (new Claim (ClaimTypes. MapBlazorHub () did break the logic of the AuthorizeView-component as the NotAuthorized component does not work in this case. 2 Create New Blazor app -> WASM (. I'd like to benefit from built-in AuthorizeView tag in razor. cs) and logout (Logout. My Program. Sep 23, 2024 · I have a MAUI Blazor Hybrid App which uses Role-Base authorization. I found a sce 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. if you started the app without authentication first, (say you had a login link and some of the site anonymous), when login happened, the blazor app would close, and redirect to the login server. Oct 28, 2019 · When it comes to controlling which users can access which functionality in a Blazor application you not only have access to all of the user’s authentication you can authorize the user’s actions without writing any code. The IdentityServer4 is a separate mvc project. But in the app the Roles tag does not work. The authorization works, and roles are correctly read by the CustomAuthenticationStateProvider Apr 10, 2023 · Learn how to use roles in your Blazor Server and WebAssembly applications to implement the RBAC authorization model. In this example, AuthorizeView component is used in it's simplest form, without any parameters (i. But I don't know how to use it without Oct 21, 2024 · Blazor Server, Authorization Attribute with AuthenticationStateProvider not working Asked 11 months ago Modified 11 months ago Viewed 863 times Feb 12, 2024 · In . How should I handle the cookie and use it in the AuthenticationStateProvider, that seems necessary to use <AuthorizeView>. raz Oct 14, 2024 · Learn how to implement navigation in Blazor applications for user authentication and redirection to the login page when the user is not authenticated. I have added Microsoft. Net 8 Blazor hybrid application using Microsoft Entra for authentication. The documentation on MSDN hasn'. May 15, 2024 · I'm facing an issue with . So it will fetch the authorization header of the access token, and the API will be authorized to show… Aug 27, 2024 · I am migrating a Blazor server project from . NET Core Blazor web application. When I attempt to use one of my group names with AuthorizeView Roles="groupname" it always falls into the Not Authorized. Apparently this is not Mar 25, 2025 · 0 I am developing a Blazor Server application that requires role and permission-based access control. Displays differing content depending on the user's authorization status. For client-side Blazor applications we have to create our own implementation of AuthenticationStateProvider. No matter what I do, <AuthorizeRouteView> and <NotAuthorized> are not working and redirect any request to /Account/Login. 0 Preview 6, it's not possible to specify custom NotAuthorizedContent or AuthorizingContent on the Router component with server-side Blazor (though it does work with client-side Blazor). Jul 11, 2024 · I have a server app that connects to a custom login server, receives a JWT, and stores it in session storage for use throughout the app. After going through the documented upgrade path today, and installing . Is there a way to be authenticated, but not authorized? For example, initially we are requiring users to regis Jan 29, 2024 · I have created a . 1 and the AuthorizeView Roles doesn't seem to recognize the role that is in the database. When I click on a link to my Admin page it is working fine but when I just go directly to th Aug 7, 2025 · Welcome to today’s post. net identity setup and working. Nov 7, 2022 · Hi @Michael Hanlon , Since you are adding the [Authorize] attribute in the _Host. In this post, I’m going to show you how to configure role-based authorization in a client-side Blazor application. net 8 blazor web app document, there's no tutorial for integrating Azure Entra Id yet. NET 8, including code snippets and practical examples. However, I have a couple of scenarios where I need to authorize multiple roles within the AuthorizeView component, and I'm not sure I'm doing it the best way. 0 MVC website, using AzureAD for authentication, this all works fine. Mar 18, 2023 · I have a Blazor WASM project with a Client, Server and Shared project. However, when I add the @attribute [Authorize(Policy = <some policy>)] to a Blazor page, my custom authorization handler doesn't get called and I always get bounced back to the login page. Jul 29, 2023 · In my Blazor server app, I've created a custom authenticationStateProvider to validate user from my own database. Additionally I'm using IdentityManager2 to assist with ensuring the account/roles are setup and everything works properly everywhere except for AuthorizeView and Authorize. I've tested that with both and @Attribute [Authorize]. This guide provides information to help you decide which type of authorization works best for your situation. cshtml, the [AllowAnonymous] attribute won't work in the Razor component, because <AuthorizeView> in layout page has distinguished between authorized users and unauthorized users, it even doesn't reach [AllowAnonymous] attribute in specify page. Mar 17, 2022 · 2 Keep in mind Blazor server side is SPA application, this mean the page is never reload, DOM is update with the server <-> SignalR <-> Javascript tunnel. Jun 7, 2022 · I'm trying to modify the stock blazor server project that gets created with visual studio so that it redirects the user to the login screen if they're not logged in. However, I can't use two <AuthorizeView> tags due to context Combines the behaviors of AuthorizeView and RouteView, so that it displays the page matching the specified route but only if the user is authorized to see it. NET7. This mean cookie authentication is only possible is you force page reload. Jul 28, 2020 · 👍 3 nuno-tiago-reis changed the title Blazor AuthorizeView rendering NotAuthorized before AuthorizationHandler executes correctly Blazor AuthorizeView rendering NotAuthorized before AuthorizationHandler finishes executing on Jul 28, 2020 nuno-tiago-reis ServerSide AuthorizeView Role="administrator" does not recognise existing claim I am using IdentityServer4 to store and manage my authorization and Identity for authentication. I'm using Blazor Server, . I'm trying to add role auth to the app. Nov 11, 2023 · I'm using Auth0 authentication in my Blazor WASM app and trying to NOT display the top header and nav bar for unauthenticated users so I added AuthorizeView to both my MainLayout. Jul 23, 2019 · In parts 1 and 2 of this series I’ve shown how to create both server-side and client-side Blazor apps with authentication. Blazor provides various authorization features such as route and component-level authorization, role-based authorization, and policy-based authorization. After a user is authenticated, authorization rules are app Jan 13, 2023 · Hi all, How to use properly AuthorizeView into a blazor component that inherits LayoutComponentBase? The code snippet below does not work to trigger my Identity server login <AuthorizeView Roles="HR Admin"> <Autho… Jan 28, 2021 · The [AllowAnonymous] won't work here, since <AuthorizeView> in layout page has distinguished between authorized users and unauthorized users, it even doesn't reach [AllowAnonymous] in specify page. microsoft. 12m9cji e3re0f f2z s6jqakg exm se7 eem5j yhfm bbwut2emi sw9ae