From ec977f64c8b975c5aba20adbaf6ab931f2a2f870 Mon Sep 17 00:00:00 2001
From: Elie Bariche <33458222+ebariche@users.noreply.github.com>
Date: Thu, 18 May 2023 17:42:53 -0400
Subject: [PATCH] perf(MSAL): Add AuthenticateAsync binding

---
 .../Uno.UI.MSAL/Uno.UI.MSAL.Wasm.csproj       |  1 +
 src/AddIns/Uno.UI.MSAL/WasmWebUi.wasm.cs      | 19 ++++++++++++++++++-
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/AddIns/Uno.UI.MSAL/Uno.UI.MSAL.Wasm.csproj b/src/AddIns/Uno.UI.MSAL/Uno.UI.MSAL.Wasm.csproj
index e1f89df4fab0..1e9c4ecb35fe 100644
--- a/src/AddIns/Uno.UI.MSAL/Uno.UI.MSAL.Wasm.csproj
+++ b/src/AddIns/Uno.UI.MSAL/Uno.UI.MSAL.Wasm.csproj
@@ -14,6 +14,7 @@
 	</PropertyGroup>
 
 	<PropertyGroup>
+		<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
 		<Deterministic>true</Deterministic>
 		<AssemblyName>Uno.UI.MSAL</AssemblyName>
 		<RootNamespace>Uno.UI.MSAL</RootNamespace>
diff --git a/src/AddIns/Uno.UI.MSAL/WasmWebUi.wasm.cs b/src/AddIns/Uno.UI.MSAL/WasmWebUi.wasm.cs
index aa4ccaf9dc98..cc37057abe1c 100644
--- a/src/AddIns/Uno.UI.MSAL/WasmWebUi.wasm.cs
+++ b/src/AddIns/Uno.UI.MSAL/WasmWebUi.wasm.cs
@@ -4,21 +4,38 @@
 using Microsoft.Identity.Client.Extensibility;
 using Uno.Foundation;
 
+#if NET7_0_OR_GREATER
+using System.Runtime.InteropServices.JavaScript;
+#endif
+
 namespace Uno.UI.MSAL
 {
-	internal class WasmWebUi : ICustomWebUi
+	internal partial class WasmWebUi : ICustomWebUi
 	{
 		internal static readonly WasmWebUi Instance = new WasmWebUi();
 
 		public async Task<Uri> AcquireAuthorizationCodeAsync(Uri authorizationUri, Uri redirectUri, CancellationToken cancellationToken)
 		{
+#if NET7_0_OR_GREATER
+			var uri = await NativeMethods.AuthenticateAsync(authorizationUri.OriginalString, redirectUri.OriginalString, "Sign in", 483, 600);
+#else
 			var urlNavigate = WebAssemblyRuntime.EscapeJs(authorizationUri.OriginalString);
 			var urlRedirect = WebAssemblyRuntime.EscapeJs(redirectUri.OriginalString);
 
 			var js = $@"MSAL.WebUI.authenticate(""{urlNavigate}"", ""{urlRedirect}"", ""Sign in"", 483, 600);";
 
 			var uri = await WebAssemblyRuntime.InvokeAsync(js);
+#endif
+
 			return new Uri(uri);
 		}
+
+#if NET7_0_OR_GREATER
+		internal static partial class NativeMethods
+		{
+			[JSImport("globalThis.MSAL.WebUI.authenticate")]
+			internal static partial Task<string> AuthenticateAsync(string urlNavigate, string urlRedirect, string title, int popupWidth, int popupHeight);
+		}
+#endif
 	}
 }