private async Task <IActionResult> ShowEditLabExecutionFormAsync(int?groupId, int?labId, AdminLabExecution labExecutionData = null)
{
// Retrieve by ID, if no object from a failed POST was passed
if (groupId != null && labId != null)
{
labExecutionData = new AdminLabExecution
{
LabExecution = await _labExecutionService.GetLabExecutionAsync(groupId.Value, labId.Value, HttpContext.RequestAborted)
};
if (labExecutionData.LabExecution == null)
{
AddStatusMessage(_localizer["ShowEditLabExecutionFormAsync:NotFound"], StatusMessageTypes.Error);
return(await RenderLabExecutionListAsync());
}
}
if (labExecutionData?.LabExecution == null)
{
AddStatusMessage(_localizer["ShowEditLabExecutionFormAsync:MissingParameter"], StatusMessageTypes.Error);
return(await RenderLabExecutionListAsync());
}
return(await RenderAsync(ViewType.Edit, labExecutionData));
}
public async Task <IActionResult> CallLabServerAsync(int labId)
{
// Retrieve group ID
var currentUser = await GetCurrentUserAsync();
if (currentUser?.GroupId == null)
{
AddStatusMessage(_localizer["CallLabServerAsync:NoGroup"], StatusMessageTypes.Error);
return(await RenderViewAsync());
}
// Retrieve lab data
var lab = await _labService.GetLabAsync(labId, HttpContext.RequestAborted);
if (lab == null)
{
AddStatusMessage(_localizer["CallLabServerAsync:LabNotFound"], StatusMessageTypes.Error);
return(await RenderViewAsync());
}
// Check whether lab is accessible by given group
DateTime now = DateTime.Now;
var labExecution = await _labExecutionService.GetLabExecutionAsync(currentUser.GroupId.Value, labId, HttpContext.RequestAborted);
if (labExecution == null || now < labExecution.PreStart)
{
AddStatusMessage(_localizer["CallLabServerAsync:LabNotActive"], StatusMessageTypes.Error);
return(await RenderViewAsync());
}
// Build authentication string
var authData = new UserLoginRequest
{
UserId = currentUser.Id,
UserDisplayName = currentUser.DisplayName,
GroupId = currentUser.GroupId,
GroupName = currentUser.Group?.DisplayName,
AdminMode = false
};
string authString = new CryptoService(lab.ApiCode).Encrypt(authData.Serialize());
// Build final URL
string url = lab.ServerBaseUrl.TrimEnd().TrimEnd('/') + "/auth/login?code=" + authString;
// Forward to server
return(Redirect(url));
}
public async Task <IActionResult> CreateGroupExerciseSubmissionAsync(CtfApiRequest request)
{
try
{
// Resolve lab
var lab = await _labService.GetLabAsync(request.LabId, HttpContext.RequestAborted);
if (lab == null)
{
return(BadRequest(new { error = $"Could not resolve requested lab {request.LabId}" }));
}
// Decode request
var apiExerciseSubmission = request.Decode <ApiGroupExerciseSubmission>(new CryptoService(lab.ApiCode));
// Resolve exercise
var exercise = await _exerciseService.FindExerciseAsync(lab.Id, apiExerciseSubmission.ExerciseNumber, HttpContext.RequestAborted);
if (exercise == null)
{
return(NotFound(new { error = "Exercise not found" }));
}
// Check lab execution
// This will also automatically check whether the given group exists
var labExecution = await _labExecutionService.GetLabExecutionAsync(apiExerciseSubmission.GroupId, lab.Id, HttpContext.RequestAborted);
var now = DateTime.Now;
if (labExecution == null || now < labExecution.PreStart)
{
return(NotFound(new { error = "Lab is not active for this group" }));
}
// Some exercises may only be submitted after the pre-start phase has ended
if (!exercise.IsPreStartAvailable && now < labExecution.Start)
{
return(NotFound(new { error = "This exercise may not be submitted in the pre-start phase" }));
}
// Create submission for each group member
var groupMembers = await _userService.GetGroupMembersAsync(apiExerciseSubmission.GroupId).ToListAsync(HttpContext.RequestAborted);
foreach (var groupMember in groupMembers)
{
var submission = new ExerciseSubmission
{
ExerciseId = exercise.Id,
UserId = groupMember.Id,
ExercisePassed = apiExerciseSubmission.ExercisePassed,
SubmissionTime = apiExerciseSubmission.SubmissionTime ?? DateTime.Now,
Weight = apiExerciseSubmission.ExercisePassed ? 1 : (apiExerciseSubmission.Weight >= 0 ? apiExerciseSubmission.Weight : 1)
};
await _exerciseService.CreateExerciseSubmissionAsync(submission, HttpContext.RequestAborted);
// If the exercise is not passed with weight > 0, do only insert it for a single group member
// Else, the penalty points would be applied for each group member
if (!apiExerciseSubmission.ExercisePassed && apiExerciseSubmission.Weight > 0)
{
break;
}
}
return(Ok());
}
catch (CryptographicException ex)
{
_logger.LogError(ex, "Create exercise submission for group");
return(StatusCode(StatusCodes.Status401Unauthorized, new { error = "Could not decode the request packet" }));
}
catch (Exception ex)
{
_logger.LogError(ex, "Create exercise submission for group");
return(StatusCode(StatusCodes.Status500InternalServerError, new { error = "An internal error occured during processing of the request" }));
}
}