1 files changed, 28 insertions, 0 deletions
diff --git a/wasm/BlazingPizza.Client/ServerAuthenticationStateProvider.cs b/wasm/BlazingPizza.Client/ServerAuthenticationStateProvider.cs
new file mode 100644
index 0000000..9a94bc5
--- /dev/null
+++ b/wasm/BlazingPizza.Client/ServerAuthenticationStateProvider.cs
@@ -0,0 +1,28 @@
+using System.Net.Http;
+using System.Security.Claims;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Components;
+
+namespace BlazingPizza.Client
+{
+    public class ServerAuthenticationStateProvider : AuthenticationStateProvider
+    {
+        private readonly HttpClient _httpClient;
+
+        public ServerAuthenticationStateProvider(HttpClient httpClient)
+        {
+            _httpClient = httpClient;
+        }
+
+        public override async Task<AuthenticationState> GetAuthenticationStateAsync()
+        {
+            var userInfo = await _httpClient.GetJsonAsync<UserInfo>("user");
+
+            var identity = userInfo.IsAuthenticated
+                ? new ClaimsIdentity(new[] { new Claim(ClaimTypes.Name, userInfo.Name) }, "serverauth")
+                : new ClaimsIdentity();
+
+            return new AuthenticationState(new ClaimsPrincipal(identity));
+        }
+    }
+}