From 48f21d4533065169f34bd0bdb71b7bb9b627ee75 Mon Sep 17 00:00:00 2001
From: max <max.holleman@hotmail.nl>
Date: Mon, 14 Oct 2024 03:19:39 +0200
Subject: [PATCH] Auth system

---
 .../Components/Pages/Auth/Login.razor         |  18 +++++++++
 SharpRSS.Blazor/Components/Redirector.razor   |  29 ++++++++++++++
 SharpRSS.Blazor/Components/Routes.razor       |  36 +++++++++++-------
 .../Extensions/NavigationManagerExtensions.cs |  14 +++++++
 SharpRSS.Blazor/Program.cs                    |   6 ++-
 SharpRSS.Blazor/SRSS.db-shm                   | Bin 0 -> 32768 bytes
 SharpRSS.Blazor/SRSS.db-wal                   |   0
 7 files changed, 88 insertions(+), 15 deletions(-)
 create mode 100644 SharpRSS.Blazor/Components/Pages/Auth/Login.razor
 create mode 100644 SharpRSS.Blazor/Components/Redirector.razor
 create mode 100644 SharpRSS.Blazor/Extensions/NavigationManagerExtensions.cs
 create mode 100644 SharpRSS.Blazor/SRSS.db-shm
 create mode 100644 SharpRSS.Blazor/SRSS.db-wal

diff --git a/SharpRSS.Blazor/Components/Pages/Auth/Login.razor b/SharpRSS.Blazor/Components/Pages/Auth/Login.razor
new file mode 100644
index 0000000..9ae2b97
--- /dev/null
+++ b/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();
+    }
+}
\ No newline at end of file
diff --git a/SharpRSS.Blazor/Components/Redirector.razor b/SharpRSS.Blazor/Components/Redirector.razor
new file mode 100644
index 0000000..7f59098
--- /dev/null
+++ b/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();
+    }
+
+}
\ No newline at end of file
diff --git a/SharpRSS.Blazor/Components/Routes.razor b/SharpRSS.Blazor/Components/Routes.razor
index a977289..0705dc9 100644
--- a/SharpRSS.Blazor/Components/Routes.razor
+++ b/SharpRSS.Blazor/Components/Routes.razor
@@ -1,13 +1,23 @@
-<Router AppAssembly="typeof(Program).Assembly">
-    <Found Context="routeData">
-        <RouteView RouteData="routeData" DefaultLayout="typeof(Layout.MainLayout)"/>
-        <FocusOnNavigate RouteData="routeData" Selector="h1"/>
-    </Found>
-    <NotFound>
-        <LayoutView Layout="@typeof(EmptyLayout)">
-            @*TODO: Manage not found*@
-            <PageTitle>Not found!</PageTitle>
-            <p>Page not found!</p>
-        </LayoutView>
-    </NotFound>
-</Router>
\ No newline at end of file
+<CascadingAuthenticationState>
+    <Router AppAssembly="typeof(Program).Assembly">
+        <Found Context="routeData">
+            @*<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)">
+                @*TODO: Manage not found*@
+                <PageTitle>Not found!</PageTitle>
+                <p>Page not found!</p>
+            </LayoutView>
+        </NotFound>
+    </Router>
+</CascadingAuthenticationState>
\ No newline at end of file
diff --git a/SharpRSS.Blazor/Extensions/NavigationManagerExtensions.cs b/SharpRSS.Blazor/Extensions/NavigationManagerExtensions.cs
new file mode 100644
index 0000000..5721a4e
--- /dev/null
+++ b/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);
+    }
+}
\ No newline at end of file
diff --git a/SharpRSS.Blazor/Program.cs b/SharpRSS.Blazor/Program.cs
index f9dd1d9..9ea8342 100644
--- a/SharpRSS.Blazor/Program.cs
+++ b/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>();
diff --git a/SharpRSS.Blazor/SRSS.db-shm b/SharpRSS.Blazor/SRSS.db-shm
new file mode 100644
index 0000000000000000000000000000000000000000..fe9ac2845eca6fe6da8a63cd096d9cf9e24ece10
GIT binary patch
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literal 0
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diff --git a/SharpRSS.Blazor/SRSS.db-wal b/SharpRSS.Blazor/SRSS.db-wal
new file mode 100644
index 0000000..e69de29