no more null exceptions in the current stage

Author: paule96

src/KK.AspNetCore.EasyAuthAuthentication/Models/AADClaimsModel.cs

@@ -1,13 +1,14 @@
-namespace KK.AspNetCore.EasyAuthAuthentication.Models
+namespace KK.AspNetCore.EasyAuthAuthentication.Models
 {
+    using System;
     using Newtonsoft.Json;
 
     internal class AADClaimsModel
     {
         [JsonProperty("typ")]
-        public string Typ { get; set; }
+        public string Typ { get; set; } = string.Empty;
 
         [JsonProperty("val")]
-        public string Values { get; set; }
+        public string Values { get; set; } = string.Empty;
     }
 }

src/KK.AspNetCore.EasyAuthAuthentication/Models/ProviderOptions.cs

@@ -16,8 +16,6 @@ public class ProviderOptions
         public ProviderOptions(string providerName)
         {
             this.ProviderName = providerName;
-            this.NameClaimType = ClaimTypes.Name;
-            this.NameClaimType = ClaimTypes.Role;
         }
 
         /// <summary>
@@ -29,8 +27,7 @@ public ProviderOptions(string providerName)
         public ProviderOptions(string providerName, string nameClaimType)
         {
             this.ProviderName = providerName;
-            this.NameClaimType = nameClaimType;
-            this.NameClaimType = ClaimTypes.Role;
+            this.NameClaimType = nameClaimType;            
         }
 
         /// <summary>
@@ -51,13 +48,13 @@ public ProviderOptions(string providerName, string nameClaimType, string roleNam
         /// The <c>ClaimType</c> for the Idendity User.
         /// </summary>
         /// <value>The Claim Type to use for the User. Default is <c>ClaimType</c> of the auth provider.</value>
-        public string NameClaimType { get; set; }
+        public string NameClaimType { get; set; } = ClaimTypes.Name;
 
         /// <summary>
         /// The <c>ClaimType</c> for the Idendity Role.
         /// </summary>
         /// <value>The Claim Type to use for the Roles. Default is <c>ClaimType</c> of the auth provider.</value>
-        public string RoleClaimType { get; set; }
+        public string RoleClaimType { get; set; } = ClaimTypes.Role;
 
         /// <summary>
         /// The provider name for this options object.

src/KK.AspNetCore.EasyAuthAuthentication/Services/EasyAuthWithAuthMeService.cs

@@ -104,7 +104,7 @@ private AuthenticationTicket BuildIdentityFromEasyAuthMeJson(JObject payload)
 
         private async Task<JArray> GetAuthMe(HttpClientHandler handler, HttpRequestMessage httpRequest)
         {
-            JArray payload = null;
+            JArray? payload = null;
             using (var client = new HttpClient(handler))
             {
                 var response = await client.SendAsync(httpRequest);