fixed view for idtoken in checkid endpoint

openid-connect-server/src/main/java/org/mitre/openid/connect/view/JSONIdTokenView.java

@@ -1,11 +1,15 @@
 package org.mitre.openid.connect.view;
 
 import java.io.Writer;
+import java.lang.reflect.Type;
+import java.security.PublicKey;
 import java.util.Map;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
+import org.mitre.jwt.model.ClaimSet;
+import org.mitre.openid.connect.model.IdToken;
 import org.springframework.validation.BeanPropertyBindingResult;
 import org.springframework.web.servlet.view.AbstractView;
 
@@ -13,6 +17,11 @@ import com.google.gson.ExclusionStrategy;
 import com.google.gson.FieldAttributes;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonNull;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonSerializationContext;
+import com.google.gson.JsonSerializer;
 
 public class JSONIdTokenView extends AbstractView {
 
@@ -39,7 +48,18 @@ public class JSONIdTokenView extends AbstractView {
 					return false;
 				}
 								
-			}).create();
+			})
+			.registerTypeHierarchyAdapter(ClaimSet.class, new JsonSerializer<ClaimSet>() {
+				@Override
+				public JsonElement serialize(ClaimSet src, Type typeOfSrc, JsonSerializationContext context) {
+					if (src != null) {
+						return src.getAsJsonObject();
+					} else {
+						return JsonNull.INSTANCE;
+					}
+				}
+			})
+			.create();
 
 		response.setContentType("application/json");
 		

openid-connect-server/src/main/java/org/mitre/openid/connect/web/CheckIDEndpoint.java

@@ -46,7 +46,8 @@ public class CheckIDEndpoint {
 			throw new InvalidJwtIssuerException(); // TODO: create a view for this exception
 		}
 		
-		return new ModelAndView("jsonIdTokenView", "checkId", token); // TODO: create a view for this
+		// pass the claims directly (the view doesn't care about other fields)
+		return new ModelAndView("jsonIdTokenView", "entity", token.getClaims());
 	}
 
 	public JwtSigningAndValidationService getJwtSignerService() {