Auth system

SharpRSS.Blazor/Components/Pages/Auth/Login.razor

@@ -0,0 +1,18 @@
+@page "/Auth/Login"
+@using SharpRSS.Blazor.Extensions
+@inject NavigationManager NavigationManager
+@attribute [AllowAnonymous]
+
+<PageTitle>Login | SharpRSS</PageTitle>
+
+@code {
+    
+    private string RedirectAfterLogin { get; set; } = string.Empty;
+    
+    protected override Task OnInitializedAsync()
+    {
+        RedirectAfterLogin = NavigationManager.GetQueryParameters().TryGetValue("RedirectUrl", out var redirectUrl) ? redirectUrl.ToString() : string.Empty;
+        //TODO: Checking based auth or external (OIDC, etc.)
+        return base.OnInitializedAsync();
+    }
+}

SharpRSS.Blazor/Components/Redirector.razor

@@ -0,0 +1,29 @@
+@inject NavigationManager NavigationManager
+
+<PageTitle>Redirecting...</PageTitle>
+<MudElement>
+    <MudOverlay DarkBackground="true" Visible="true">
+        <MudProgressCircular Size="Size.Large" Color="Color.Primary" Indeterminate="true"/>
+    </MudOverlay>
+</MudElement>
+
+@code {
+    
+    [CascadingParameter]
+    private Task<AuthenticationState> AuthStateTask { get; set; } = null!;
+    [Parameter]
+    [EditorRequired]
+    public string RedirectUri { get; set; }
+    private bool _isAuthenticated;
+    
+    protected override async Task OnInitializedAsync()
+    {
+        var authState = await AuthStateTask;
+        if (authState.User.Identity != null) _isAuthenticated = authState.User.Identity.IsAuthenticated;
+        
+        NavigationManager.NavigateTo(RedirectUri);
+        
+        await base.OnInitializedAsync();
+    }
+
+}

SharpRSS.Blazor/Components/Routes.razor

@@ -1,7 +1,16 @@
-<Router AppAssembly="typeof(Program).Assembly">
+<CascadingAuthenticationState>
+    <Router AppAssembly="typeof(Program).Assembly">
         <Found Context="routeData">
-        <RouteView RouteData="routeData" DefaultLayout="typeof(Layout.MainLayout)"/>
-        <FocusOnNavigate RouteData="routeData" Selector="h1"/>
+            @*<RouteView RouteData="routeData" DefaultLayout="typeof(Layout.MainLayout)"/>
+            <FocusOnNavigate RouteData="routeData" Selector="h1"/>*@
+            <AuthorizeRouteView RouteData="@routeData" DefaultLayout="@typeof(EmptyLayout)">
+                <Authorizing>
+                    <p>Determining session state, please wait...</p>
+                </Authorizing>
+                <NotAuthorized>
+                    <Redirector RedirectUri="/auth/login"/>
+                </NotAuthorized>
+            </AuthorizeRouteView>
         </Found>
         <NotFound>
             <LayoutView Layout="@typeof(EmptyLayout)">
@@ -11,3 +20,4 @@
             </LayoutView>
         </NotFound>
     </Router>
+</CascadingAuthenticationState>

SharpRSS.Blazor/Extensions/NavigationManagerExtensions.cs

@@ -0,0 +1,14 @@
+using Microsoft.AspNetCore.Components;
+using Microsoft.AspNetCore.WebUtilities;
+using Microsoft.Extensions.Primitives;
+
+namespace SharpRSS.Blazor.Extensions;
+
+public static class NavigationManagerExtensions
+{
+    public static Dictionary<string, StringValues> GetQueryParameters(this NavigationManager navigationManager)
+    {
+        var uri = navigationManager.ToAbsoluteUri(navigationManager.Uri);
+        return QueryHelpers.ParseQuery(uri.Query);
+    }
+}

SharpRSS.Blazor/Program.cs

@@ -23,8 +23,10 @@ builder.Services.AddBasedServerAuth(options =>
     options.LogoutPath = "/auth/logout";
     options.SeedData = service =>
     {
-        /*service.CreateUserAsync(new UserModel() { UserName = "Admin", Email = "admin@example.com", Enabled = true, PasswordHash  = "password", Roles = new List<RoleModel>() { new RoleModel() { Name = "Admin", Description = "Administration role." }}});
-        service.CreateUserAsync(new UserModel() { UserName = "User", Email = "user@example.com", Enabled = true, PasswordHash = "password"});*/
+        service.CreateUserAsync(new UserModel() { UserName = "Admin", Email = "admin@example.com", Enabled = true, PasswordHash  = "password", Roles =
+            [new RoleModel { Name = "Admin", Description = "Administration role." }]
+        });
+        service.CreateUserAsync(new UserModel() { UserName = "User", Email = "user@example.com", Enabled = true, PasswordHash = "password"});
     };
     options.SetDataRepositoryType<MemoryAuthDataRepository>();
     options.SetSessionStateProviderType<LocalStorageSessionStateProvider>();