Apple Sign In - Name response

src/OpenIddict.Abstractions/OpenIddictConstants.cs

@@ -547,6 +547,7 @@ public static class OpenIddictConstants
         public const string Phone = "phone";
         public const string Profile = "profile";
         public const string Roles = "roles";
+        public const string Name = "name";
     }
 
     public static class Separators

src/OpenIddict.Client.WebIntegration/OpenIddictClientWebIntegrationHandlers.Userinfo.cs

@@ -512,6 +512,18 @@ public static partial class OpenIddictClientWebIntegrationHandlers
                     }
                 }
 
+                // Note: Apple returns a non-standard "name" claim formatted as a JSON object.
+                else if (context.Registration.ProviderType is ProviderTypes.Apple)
+                {
+                    var name = context.Response[Claims.Name];
+                    if (name is not null)
+                    {
+                        context.Response[Claims.Name] = $"{name?["firstName"]} {name?["lastName"]}";
+                        context.Response[Claims.FamilyName] = name?["lastName"];
+                        context.Response[Claims.GivenName] = name?["firstName"];
+                    }
+                }
+
                 return ValueTask.CompletedTask;
             }
         }

src/OpenIddict.Client.WebIntegration/OpenIddictClientWebIntegrationHandlers.cs

@@ -1750,7 +1750,7 @@ public static partial class OpenIddictClientWebIntegrationHandlers
             context.ResponseMode = context.Registration.ProviderType switch
             {
                 // Note: Apple requires using form_post when the "email" or "name" scopes are requested.
-                ProviderTypes.Apple when context.Scopes.Contains(Scopes.Email) || context.Scopes.Contains("name")
+                ProviderTypes.Apple when context.Scopes.Contains(Scopes.Email) || context.Scopes.Contains(Scopes.Name)
                     => ResponseModes.FormPost,
 
                 _ => context.ResponseMode