public override void OnAuthorization(HttpActionContext actionContext)
{
if (actionContext.Request.Headers.Authorization == null)
{
//if response is set, server immediately returns it
//actionContext.Response = actionContext.Request.CreateResponse(HttpStatusCode.Unauthorized, "Credentials not provided");
ExceptionHandler.ThrowException(HttpStatusCode.Unauthorized, "Credentials not provided");
}
else
{
string authenticationToken = actionContext.Request.Headers.Authorization.Parameter;
string[] credentials = authenticationToken.Split(':');
string username = credentials[0];
byte[] password = Sha256(credentials[1]);
using (programming_tasksEntities entities = new programming_tasksEntities())
{
user userResult = null;
try
{
userResult = entities.users.Single(user => user.username == username &&
user.password.Equals(password));
Thread.CurrentPrincipal = new GenericPrincipal(new GenericIdentity(username), null);
}
catch (Exception)
{
ExceptionHandler.ThrowException(HttpStatusCode.Unauthorized, "Authorization failed");
}
}
}
}
public RunResultDTO SendSolution(int id, [FromBody] TaskSolutionDTO taskSolution)
{
using (programming_tasksEntities entities = new programming_tasksEntities())
{
string username = Thread.CurrentPrincipal.Identity.Name; //get username from authentication
user userResult = entities.users.First(user => user.username == username);
task taskResult = entities.tasks.Find(id);
if (taskResult == null)
{
ExceptionHandler.ThrowException(HttpStatusCode.NotFound, "Task with id " + id + " doesn't exist");
}
CodeExecutor codeExecutor = new CodeExecutor();
RunResultDTO runResult = codeExecutor.RunTask(taskSolution, taskResult);
entities.users_solutions.Add(new users_solutions()
{
user = userResult,
task = taskResult,
code = taskSolution.Code,
status = runResult.CorrectExamples == taskResult.examples.Count,
description = runResult.CorrectExamples == taskResult.examples.Count ?
"Code executed successfully for all examples" :
"Code failed at some example(s)",
date = DateTime.Now
});
entities.SaveChanges();
return(runResult);
}
}
public TaskDTO GetTask(int id)
{
using (programming_tasksEntities entitities = new programming_tasksEntities())
{
task taskResult = entitities.tasks.Find(id);
if (taskResult == null) //not found
{
ExceptionHandler.ThrowException(HttpStatusCode.NotFound, "Task with id " + id + " not found");
}
return(new TaskDTO()
{
Id = taskResult.id,
Title = taskResult.title,
Description = taskResult.description
});
}
}
public List <TaskDTO> GetTasks()
{
using (programming_tasksEntities entitities = new programming_tasksEntities())
{
List <TaskDTO> tasksDTO = new List <TaskDTO>();
List <task> tasks = entitities.tasks.ToList();
for (int i = 0; i < tasks.Count; ++i)
{
tasksDTO.Add(new TaskDTO()
{
Id = tasks[i].id,
Title = tasks[i].title,
Description = tasks[i].description
});
}
return(tasksDTO);
}
}
