added method of directly setting the access token in the OIDC service

Assets/i5 Toolkit for Unity/Runtime/OpenID Connect/Scripts/OpenIDConnectService.cs

@@ -28,7 +28,7 @@ public class OpenIDConnectService : IUpdateableService
         /// The access token of the logged in user
         /// Use this token to access data about the user or to access protected Web resources
         /// </summary>
-        public string AccessToken { get; set; }
+        public string AccessToken { get; private set; }
 
         /// <summary>
         /// Is true if the user of the application is currently logged in
@@ -283,5 +283,24 @@ public async void Update()
                 i5Debug.LogError("An error occurred during the login process. The access token is empty.", this);
             }
         }
+
+        /// <summary>
+        /// Directly sets the access token and triggers the login event
+        /// Can be used to log in a user again with the same access token after initially logging out
+        /// </summary>
+        /// <param name="accessToken"></param>
+        /// <returns></returns>
+        public void LoginWithAccessToken(string accessToken)
+        {
+            AccessToken = accessToken;
+            if (!string.IsNullOrEmpty(AccessToken))
+            {
+                LoginCompleted?.Invoke(this, EventArgs.Empty);
+            }
+			else
+			{
+				i5Debug.LogError("An empty access token was passed to the service.", this);
+			}
+		}
     }
 }

Assets/i5 Toolkit for Unity/Tests/Editor/OpenID Connect/OpenIDConnectServiceTests.cs

@@ -390,5 +390,28 @@ public IEnumerator IsLoggedIn_SuccessfulLogout_ReturnsFalse()
 
             Assert.IsFalse(oidc.IsLoggedIn);
         }
-    }
+
+		[Test]
+		public void LoginWithAccessToken_LoginCompletedEventRaised()
+		{
+			OpenIDConnectService oidc = new OpenIDConnectService();
+			int events = 0;
+			oidc.LoginCompleted += delegate
+			{
+				events++;
+			};
+
+			oidc.LoginWithAccessToken("myAccessToken");
+			Assert.AreEqual(1, events);
+		}
+
+        [Test]
+        public void LoginWithAccessToken_AccessTokenSet()
+        {
+			OpenIDConnectService oidc = new OpenIDConnectService();
+            string accessToken = "myAccessToken";
+			oidc.LoginWithAccessToken(accessToken);
+			Assert.AreEqual(accessToken, oidc.AccessToken);
+		}
+	}
 }