Remove all usage of user parameter

Remove all usage of consuming the `user` parameter to process the user's first name and last name.

Author: martincostello

src/AspNet.Security.OAuth.Apple/AppleAuthenticationHandler.cs

@@ -160,6 +160,7 @@ protected virtual IEnumerable<Claim> ExtractClaimsFromToken([NotNull] string tok
     /// <returns>
     /// An <see cref="IEnumerable{Claim}"/> containing the claims extracted from the user information.
     /// </returns>
+    [Obsolete("This method is obsolete and will be removed in a future version.")]
     protected virtual IEnumerable<Claim> ExtractClaimsFromUser([NotNull] JsonElement user)
     {
         var claims = new List<Claim>();
@@ -170,6 +171,11 @@ protected virtual IEnumerable<Claim> ExtractClaimsFromUser([NotNull] JsonElement
             claims.Add(new Claim(ClaimTypes.Surname, name.GetString("lastName") ?? string.Empty, ClaimValueTypes.String, ClaimsIssuer));
         }
 
+        if (user.TryGetProperty("email", out var email))
+        {
+            claims.Add(new Claim(ClaimTypes.Email, email.GetString() ?? string.Empty, ClaimValueTypes.String, ClaimsIssuer));
+        }
+
         return claims;
     }
 
@@ -346,17 +352,6 @@ private async Task<HandleRequestResult> HandleRemoteAuthenticateAsync(
             properties.StoreTokens(authTokens);
         }
 
-        if (parameters.TryGetValue("user", out var userJson))
-        {
-            using var user = JsonDocument.Parse(userJson);
-            var userClaims = ExtractClaimsFromUser(user.RootElement);
-
-            foreach (var claim in userClaims)
-            {
-                identity.AddClaim(claim);
-            }
-        }
-
         var ticket = await CreateTicketAsync(identity, properties, tokens);
 
         if (ticket != null)

test/AspNet.Security.OAuth.Providers.Tests/Apple/AppleTests.cs

@@ -44,9 +44,7 @@ protected internal override void RegisterAuthentication(AuthenticationBuilder bu
 
     [Theory]
     [InlineData(ClaimTypes.Email, "[email protected]")]
-    [InlineData(ClaimTypes.GivenName, "Johnny")]
     [InlineData(ClaimTypes.NameIdentifier, "001883.fcc77ba97500402389df96821ad9c790.1517")]
-    [InlineData(ClaimTypes.Surname, "Appleseed")]
     public async Task Can_Sign_In_Using_Apple_With_Client_Secret(string claimType, string claimValue)
     {
         // Arrange
@@ -71,9 +69,7 @@ static void ConfigureServices(IServiceCollection services)
 
     [Theory]
     [InlineData(ClaimTypes.Email, "[email protected]")]
-    [InlineData(ClaimTypes.GivenName, "Johnny")]
     [InlineData(ClaimTypes.NameIdentifier, "001883.fcc77ba97500402389df96821ad9c790.1517")]
-    [InlineData(ClaimTypes.Surname, "Appleseed")]
     public async Task Can_Sign_In_Using_Apple_With_Private_Key(string claimType, string claimValue)
     {
         // Arrange
@@ -146,9 +142,7 @@ static void ConfigureServices(IServiceCollection services)
 
     [Theory]
     [InlineData(ClaimTypes.Email, "[email protected]")]
-    [InlineData(ClaimTypes.GivenName, "Johnny")]
     [InlineData(ClaimTypes.NameIdentifier, "001883.fcc77ba97500402389df96821ad9c790.1517")]
-    [InlineData(ClaimTypes.Surname, "Appleseed")]
     public async Task Can_Sign_In_Using_Apple_With_No_Token_Validation(string claimType, string claimValue)
     {
         // Arrange