add whoami endpoint

service/src/main/java/CTFApplication.java

@@ -46,12 +46,14 @@ public class CTFApplication extends Application<ApplicationConfiguration>
 
     private void registerResources(Environment environment)
     {
+        //todo: use reflections to iterate over resources
         JerseyEnvironment jersey = environment.jersey();
         jersey.register(injector.getInstance(TeamsResource.class));
         jersey.register(injector.getInstance(TasksResource.class));
         jersey.register(injector.getInstance(ProxyResource.class));
         jersey.register(injector.getInstance(SolutionsResource.class));
         jersey.register(injector.getInstance(TaskResource.class));
+        jersey.register(injector.getInstance(UtilResource.class));
     }
 
     private void registerAuthFeatures(Environment environment)

service/src/main/java/resources/TeamsResource.java

@@ -11,9 +11,6 @@ import javax.ws.rs.Produces;
 import javax.ws.rs.core.MediaType;
 import java.util.List;
 
-/**
- * Created by gpietrus on 16.02.16.
- */
 @Singleton
 @Path(value = "/teams")
 @Produces(MediaType.APPLICATION_JSON)

service/src/main/java/resources/UtilResource.java

+package resources;
+
+import com.google.common.collect.ImmutableMap;
+import io.dropwizard.auth.Auth;
+import objects.Team;
+import objects.User;
+import repositories.TeamsRepository;
+
+import javax.inject.Inject;
+import javax.inject.Singleton;
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+import java.util.Optional;
+
+@Singleton
+@Path("/")
+@Produces(MediaType.APPLICATION_JSON)
+public class UtilResource
+{
+
+    private TeamsRepository teamsRepository;
+
+    @Inject
+    public UtilResource(TeamsRepository teamsRepository)
+    {
+        this.teamsRepository = teamsRepository;
+    }
+
+    @GET
+    @Path("/whoami")
+    public ImmutableMap<Object, Object> getUserData(@Auth User user)
+    {
+        ImmutableMap.Builder<Object, Object> responseBuilder = ImmutableMap.builder();
+        String userName = user.getName();
+        responseBuilder.put("userName", userName);
+        Optional<Team> team = teamsRepository.getTeamByUserName(userName);
+        if (team.isPresent()) {
+            responseBuilder.put("teamName", team.get().getName());
+        }
+        return responseBuilder.build();
+    }
+}