From dc7ea2dae6b83054ba3b147e7d5464a1c942dd6a Mon Sep 17 00:00:00 2001
From: Dav-id <david@taitventures.com>
Date: Tue, 24 Oct 2023 09:49:37 +0000
Subject: [PATCH] feat: allow configuring cookie domain

---
 src/Logto.AspNetCore.Authentication/LogtoOptions.cs           | 4 ++++
 .../extensions/AuthenticationBuilderExtensions.cs             | 1 +
 2 files changed, 5 insertions(+)

diff --git a/src/Logto.AspNetCore.Authentication/LogtoOptions.cs b/src/Logto.AspNetCore.Authentication/LogtoOptions.cs
index 079b770..3d67a30 100644
--- a/src/Logto.AspNetCore.Authentication/LogtoOptions.cs
+++ b/src/Logto.AspNetCore.Authentication/LogtoOptions.cs
@@ -63,6 +63,10 @@ public class LogtoOptions
   /// set this value to `true` since they are not included in the ID token.
   /// </summary>
   public bool GetClaimsFromUserInfoEndpoint { get; set; } = false;
+  /// <summary>
+  /// The domain to associate the cookie with. Allows multiple applications to share the cookie such as on sub-domains. 
+  /// </summary>
+  public string? CookieDomain { get; set; } = null;
 }
 
 /// <summary>
diff --git a/src/Logto.AspNetCore.Authentication/extensions/AuthenticationBuilderExtensions.cs b/src/Logto.AspNetCore.Authentication/extensions/AuthenticationBuilderExtensions.cs
index b646691..4d4485f 100644
--- a/src/Logto.AspNetCore.Authentication/extensions/AuthenticationBuilderExtensions.cs
+++ b/src/Logto.AspNetCore.Authentication/extensions/AuthenticationBuilderExtensions.cs
@@ -73,6 +73,7 @@ private static void ConfigureCookieOptions(string authenticationScheme, CookieAu
   {
     options.Cookie.Name = $"Logto.Cookie.{logtoOptions.AppId}";
     options.SlidingExpiration = true;
+    options.Cookie.Domain = logtoOptions.CookieDomain;
     options.Events = new CookieAuthenticationEvents
     {
       OnValidatePrincipal = context => new LogtoCookieContextManager(authenticationScheme, context).Handle()