public async Task <IActionResult> Delete(string id, [FromServices] ContestExecutorFactory cef, CancellationToken token)
{
var ce = cef.Create(id);
if (!ce.HasPermissionToContest())
{
return(Result(401, "No permission"));
}
else
{
var contest = await DB.Contests.SingleOrDefaultAsync(x => x.Id == id, token);
if (contest == null)
{
return(Result(404, "Contest not found"));
}
else if (contest.Begin <= DateTime.UtcNow)
{
return(Result(400, "Cannot remove a started contest."));
}
else
{
await DB.UserClaims
.Where(x => x.ClaimType == Constants.ContestEditPermission)
.Where(x => x.ClaimValue == id)
.DeleteAsync(token);
return(Result(200, "Delete succeeded"));
}
}
}
public HackStateMachineHandler(OnlineJudgeContext db, IHubContext <OnlineJudgeHub> hub, ManagementServiceClient mgmt, ContestExecutorFactory cef)
{
_db = db;
_hub = hub;
_mgmt = mgmt;
_cef = cef;
}
private async Task <bool> IsStatusCouldBeHacked(JudgeStatus status, ContestExecutorFactory cef, CancellationToken token)
{
if (User.IsSignedIn() && User.Current.Id == status.UserId)
{
return(false);
}
return(await IsStatusCodeCouldBeViewed(status, cef, token));
}
public async Task <IActionResult> GetContestProblems(string contestId, [FromServices] ContestExecutorFactory cef, CancellationToken token)
{
var contest = await DB.Contests
.Include(x => x.Problems)
.SingleOrDefaultAsync(x => x.Id == contestId, token);
if (contest == null)
{
return(Result <IEnumerable <ContestProblemViewModel> >(404, "Contest not found"));
}
var ce = cef.Create(contestId);
if (contest.Begin > DateTime.UtcNow && !ce.HasPermissionToContest())
{
return(Result <IEnumerable <ContestProblemViewModel> >(400, "The contest has not started"));
}
else if (contest.End >= DateTime.UtcNow && !await IsRegisteredToContest(contestId, token) && !ce.HasPermissionToContest())
{
return(Result <IEnumerable <ContestProblemViewModel> >(new ContestProblemViewModel[] { }));
}
else
{
var userId = User.Current?.Id;
var locked = await DB.ContestProblemLastStatuses
.Where(x => x.ContestId == contestId)
.Where(x => x.IsLocked)
.Where(x => x.UserId == userId)
.Select(x => x.ProblemId)
.ToListAsync(token);
var ret = await DB.ContestProblems
.Include(x => x.Problem)
.Where(x => x.ContestId == contestId)
.OrderBy(x => x.Number)
.ThenBy(x => x.Point)
.Select(x => new ContestProblemViewModel
{
problemId = x.ProblemId,
number = x.Number,
point = x.Point,
isVisible = x.Problem.IsVisible,
isLocked = locked.Contains(x.ProblemId)
})
.ToListAsync(token);
if (User.IsSignedIn())
{
foreach (var x in ret)
{
x.status = ce.GenerateProblemStatusText(x.problemId, User.Current.UserName);
}
}
return(Result <IEnumerable <ContestProblemViewModel> >(ret));
}
}
public async Task<IActionResult> Get(
Guid id,
[FromServices] ManagementServiceClient mgmt,
[FromServices] ContestExecutorFactory cef,
CancellationToken token)
{
var ret = await DB.HackStatuses
.Include(x => x.Status)
.Include(x => x.User)
.SingleOrDefaultAsync(x => x.Id == id, token);
if (IsGroupRequest() && ret.GroupId != CurrentGroup.Id)
{
return Result(400, "No permission");
}
if (ret.HackDataBlobId.HasValue)
{
ret.HackDataBody = Encoding.UTF8.GetString((await mgmt.GetBlobAsync(ret.HackDataBlobId.Value, token)).Body);
}
var username = ret.User.UserName;
ret.User = null;
if (ret == null)
{
return Result(404, "Hack status is not found");
}
if (!string.IsNullOrEmpty(ret.ContestId))
{
var ce = cef.Create(ret.ContestId);
if ((ce.IsContestInProgress(User.Current?.UserName) || ce.IsContestInProgress(username)) && ret.UserId != User.Current?.Id && !IsMasterOrHigher && !ce.HasPermissionToContest(User.Current?.UserName))
{
ce.OnShowHackResult(ret);
}
}
if (User.Current?.Id != ret.UserId
&& User.Current?.Id != ret.Status.UserId
&& !await HasPermissionToProblemAsync(ret.Status.ProblemId, token)
&& !(IsGroupRequest() && await HasPermissionToGroupAsync(token)))
{
ret.HackDataBody = null;
}
return Result(ret);
}
public async Task <IActionResult> PutLock(
string contestId,
string problemId,
[FromServices] ContestExecutorFactory cef,
CancellationToken token)
{
if (User.Current == null)
{
return(Result(401, "Not authorized"));
}
else
{
var ce = cef.Create(contestId);
if (!ce.AllowLockProblem)
{
return(Result(400, "This contest does not accept lock problem."));
}
var status = await DB.ContestProblemLastStatuses
.Where(x => x.ContestId == contestId)
.Where(x => x.UserId == User.Current.Id)
.Where(x => x.ProblemId == problemId)
.SingleOrDefaultAsync(token);
if (status == null)
{
return(Result(404, "Please pass the small data of this problem first."));
}
else if (status.IsLocked)
{
return(Result(400, "Already locked"));
}
else if (!status.IsHackable)
{
return(Result(400, "Please pass the small data of this problem first."));
}
else
{
status.IsLocked = true;
await DB.SaveChangesAsync(token);
return(Result(200, "Put succeeded"));
}
}
}
public async Task <IActionResult> GetSession(string id, [FromServices] ContestExecutorFactory cef, CancellationToken token)
{
var contest = await DB.Contests.SingleOrDefaultAsync(x => x.Id == id, token);
if (contest == null)
{
return(Result(404, "The contest is not found"));
}
var ce = cef.Create(contest.Id);
JoyOI.OnlineJudge.Models.Attendee attendee = null;
if (User.IsSignedIn())
{
attendee = await DB.Attendees.SingleOrDefaultAsync(x => x.ContestId == id && x.UserId == User.Current.Id, token);
}
if (attendee == null)
{
return(Result(new
{
isRegistered = false,
begin = contest.Begin,
end = contest.Begin.Add(contest.Duration),
isBegan = DateTime.UtcNow > contest.Begin,
isEnded = DateTime.UtcNow > contest.Begin.Add(contest.Duration),
isStandingsAvailable = ce.IsAvailableToGetStandings() || ce.HasPermissionToContest(),
allowLock = false
}));
}
else
{
return(Result(new
{
isRegistered = true,
isVirtual = attendee.IsVirtual,
begin = attendee.IsVirtual ? attendee.RegisterTime : contest.Begin,
end = attendee.IsVirtual ? attendee.RegisterTime.Add(contest.Duration) : contest.Begin.Add(contest.Duration),
isBegan = DateTime.UtcNow > (attendee.IsVirtual ? attendee.RegisterTime : contest.Begin),
isEnded = DateTime.UtcNow > (attendee.IsVirtual ? attendee.RegisterTime.Add(contest.Duration) : contest.Begin.Add(contest.Duration)),
isStandingsAvailable = ce.IsAvailableToGetStandings(User.Current.UserName) || ce.HasPermissionToContest(),
allowLock = ce.AllowLockProblem
}));
}
}
public async Task <IActionResult> Patch(string id, [FromServices] ContestExecutorFactory cef, CancellationToken token)
{
var ce = cef.Create(id);
if (!ce.HasPermissionToContest())
{
return(Result(401, "No Permission"));
}
else
{
var contest = await DB.Contests
.SingleOrDefaultAsync(x => x.Id == id, token);
if (contest == null)
{
return(Result(404, "Contest not found"));
}
var fields = PatchEntity(contest, RequestBody);
if (fields.Any(x => x == nameof(contest.IsHighlighted)) && !IsMasterOrHigher)
{
return(Result(403, "You don't have the permission to set the contest highlight."));
}
if (fields.Contains(nameof(Contest.Begin)))
{
if (contest.Begin < DateTime.UtcNow)
{
return(Result(400, "Invalid begin time"));
}
}
if (fields.Contains(nameof(Contest.Domain)) && !string.IsNullOrWhiteSpace(contest.Domain) && !await DB.Contests.AnyAsync(x => x.Domain == contest.Domain, token))
{
return(Result(400, "The domain is already existed."));
}
await DB.SaveChangesAsync(token);
return(Result(200, "Patch succeeded"));
}
}
public async Task<IActionResult> GetData(
Guid id,
[FromServices] ManagementServiceClient mgmt,
[FromServices] ContestExecutorFactory cef,
CancellationToken token)
{
var hack = await DB.HackStatuses
.Include(x => x.Status)
.SingleOrDefaultAsync(x => x.Id == id);
if (hack == null)
{
return Result(404, "Hack status is not found");
}
if (!hack.HackDataBlobId.HasValue)
{
return Result(404, "The hack data is not found");
}
if (!string.IsNullOrEmpty(hack.ContestId))
{
var ce = cef.Create(hack.ContestId);
if (!IsMasterOrHigher && !await HasPermissionToProblemAsync(hack.Status.ProblemId, token) && ce.IsContestInProgress() && User.Current?.Id != hack.UserId)
{
return Result(401, "No permission");
}
}
else
{
if (!IsMasterOrHigher && !await HasPermissionToProblemAsync(hack.Status.ProblemId, token) && User.Current?.Id != hack.UserId)
{
return Result(401, "No permission");
}
}
var blob = await mgmt.GetBlobAsync(hack.HackDataBlobId.Value, token);
return Result(Encoding.UTF8.GetString(blob.Body));
}
private async Task <bool> IsStatusCodeCouldBeViewed(JudgeStatus status, ContestExecutorFactory cef, CancellationToken token)
{
if (!User.IsSignedIn() || status.IsSelfTest)
{
return(false);
}
if (!string.IsNullOrEmpty(status.ContestId))
{
var ce = cef.Create(status.ContestId);
if (ce.IsContestInProgress(status.User.UserName) || ce.IsContestInProgress(User.Current?.UserName))
{
return(ce.IsStatusHackable(status));
}
}
if (Constants.HackInvalidResults.Contains(status.Result))
{
return(false);
}
return(await DB.JudgeStatuses.AnyAsync(x => x.UserId == User.Current.Id && x.ProblemId == status.ProblemId && string.IsNullOrEmpty(x.ContestId) && x.Result == JudgeResult.Accepted, token));
}
public async Task <IActionResult> Get(Guid id, [FromServices] ContestExecutorFactory cef, CancellationToken token)
{
var ret = await DB.JudgeStatuses
.Include(x => x.User)
.Include(x => x.SubStatuses)
.Include(x => x.Problem)
.SingleOrDefaultAsync(x => x.Id == id, token);
if (IsGroupRequest() && ret.GroupId != CurrentGroup.Id)
{
if (string.IsNullOrEmpty(ret.ContestId))
{
return(Result(400, "No permission"));
}
else if (!await DB.GroupContestReferences.AnyAsync(x => x.ContestId == ret.ContestId && x.GroupId == CurrentGroup.Id, token))
{
return(Result(400, "No permission"));
}
}
var problem = ret.Problem;
var username = ret.User.UserName;
if (!string.IsNullOrWhiteSpace(ret.ContestId))
{
var contest = DB.Contests
.Single(x => x.Id == ret.ContestId);
if (!await HasPermissionToContestAsync(ret.ContestId) && !await HasPermissionToProblemAsync(ret.ProblemId))
{
var ce = cef.Create(contest.Id);
if (ce.IsContestInProgress(User.Current?.UserName) || ce.IsContestInProgress(username))
{
ce.OnShowJudgeResult(ret);
}
}
}
else
{
var hasPermissionToProblem = await HasPermissionToProblemAsync(problem.Id, token);
if (!problem.IsVisible && !hasPermissionToProblem && !IsGroupRequest() && !await HasPermissionToGroupAsync(token))
{
return(Result <JudgeStatus>(403, "No permission"));
}
}
if (User.Current != null && User.Current.Id == ret.UserId)
{
HasOwnership = true;
}
ret.IsHackable = await IsStatusCouldBeHacked(ret, cef, token);
if (!HasOwnership &&
!await HasPermissionToProblemAsync(problem.Id, token) &&
!await HasPermissionToContestAsync(ret.ContestId, token) &&
!await IsStatusCodeCouldBeViewed(ret, cef, token) &&
!(IsGroupRequest() && await HasPermissionToGroupAsync(token)))
{
ret.Code = null;
}
ret.SubStatuses = ret.SubStatuses.OrderBy(x => x.SubId).ToList();
ret.IsRejudgable = !(!User.IsSignedIn() || ret.UserId != User.Current.Id && !IsMasterOrHigher && !await HasPermissionToProblemAsync(ret.ProblemId) && !await HasPermissionToContestAsync(ret.ContestId, token) && !await HasPermissionToSpecifiedGroupAsync(ret.GroupId, token));
return(Result(ret));
}
public async Task <IActionResult> Get(
string problemId,
JudgeResult?status,
string userId,
string contestId,
string language,
int?page,
DateTime?begin,
DateTime?end,
string judgeIds,
[FromServices] ContestExecutorFactory cef,
CancellationToken token)
{
IQueryable <JudgeStatus> ret = DB.JudgeStatuses;
if (!string.IsNullOrWhiteSpace(problemId))
{
ret = ret.Where(x => x.ProblemId == problemId);
}
if (status.HasValue)
{
ret = ret.Where(x => x.Result == status.Value);
}
if (!string.IsNullOrWhiteSpace(userId))
{
ret = ret.Where(x => x.User.UserName == userId);
}
if (!string.IsNullOrWhiteSpace(contestId))
{
ret = ret.Where(x => x.ContestId == contestId);
}
if (!string.IsNullOrWhiteSpace(language))
{
ret = ret.Where(x => x.Language == language);
}
if (begin.HasValue)
{
ret = ret.Where(x => begin.Value <= x.CreatedTime);
}
if (end.HasValue)
{
ret = ret.Where(x => x.CreatedTime <= end.Value);
}
if (!string.IsNullOrWhiteSpace(judgeIds))
{
var ids = judgeIds.Split(',').Select(x => Guid.Parse(x.Trim()));
ret = ret.Where(x => ids.Contains(x.Id));
}
if (IsGroupRequest())
{
ret = ret.Where(x => x.GroupId == CurrentGroup.Id);
}
var result = await DoPaging(ret.OrderByDescending(x => x.CreatedTime), page ?? 1, 20, token);
if (!IsMasterOrHigher && result.data.result.Any(x => !string.IsNullOrWhiteSpace(x.ContestId)))
{
var pendingRemove = new ConcurrentBag <JudgeStatus>();
foreach (var x in result.data.result.Where(x => !string.IsNullOrWhiteSpace(x.ContestId)))
{
var ce = cef.Create(x.ContestId);
var submittorUsername = DB.Users.Single(y => y.Id == x.UserId).UserName;
var isContestInProgress = ce.IsContestInProgress(User.Current?.UserName) || ce.IsContestInProgress(submittorUsername);
if (isContestInProgress && !await HasPermissionToContestAsync(x.ContestId, token) && !await HasPermissionToProblemAsync(x.ProblemId, token))
{
if (ce.AllowFilterByJudgeResult || !status.HasValue)
{
ce.OnShowJudgeResult(x);
}
else
{
pendingRemove.Add(x);
}
}
x.Contest = null;
}
foreach (var x in pendingRemove)
{
(result.data.result as List <JudgeStatus>).Remove(x);
}
}
FilterResult(result.data.result);
return(Json(result));
}
public async Task <IActionResult> Put(
[FromServices] IConfiguration Config,
[FromServices] IServiceScopeFactory scopeFactory,
[FromServices] StateMachineAwaiter awaiter,
[FromServices] ManagementServiceClient MgmtSvc,
[FromServices] IHubContext <OnlineJudgeHub> hub,
[FromServices] ContestExecutorFactory cef,
CancellationToken token)
{
var request = JsonConvert.DeserializeObject <JudgeRequest>(RequestBody);
var problem = await DB.Problems
.Include(x => x.TestCases)
.SingleOrDefaultAsync(x => x.Id == request.problemId, token);
if (problem == null)
{
return(Result(400, "The problem is not exist."));
}
if (!problem.IsVisible && string.IsNullOrWhiteSpace(request.contestId) && !await HasPermissionToProblemAsync(problem.Id, token))
{
return(Result(403, "You have no permission to the problem."));
}
if (IsGroupRequest() && !await IsGroupMemberAsync(token))
{
return(Result(401, "You are not a member of this group."));
}
if (!Constants.SupportedLanguages.Contains(request.language))
{
return(Result(400, "The language has not been supported."));
}
if (string.IsNullOrEmpty(request.code))
{
return(Result(400, "Code could not be empty."));
}
if (!string.IsNullOrEmpty(request.contestId))
{
var ce = cef.Create(request.contestId);
if (!ce.IsContestInProgress(User.Current?.UserName))
{
return(Result(400, "The contest is inactive."));
}
if (request.isSelfTest)
{
return(Result(400, "You could not do a self test during the contest is in progress."));
}
if (await DB.ContestProblemLastStatuses.AnyAsync(x => x.IsLocked && x.ContestId == request.contestId && User.Current.Id == x.UserId && x.ProblemId == request.problemId, token))
{
return(Result(400, "You have locked this problem."));
}
}
if (!Constants.SupportedLanguages.Contains(request.language) && !Constants.UnsupportedLanguages.Contains(request.language) && problem.Source == ProblemSource.Local)
{
return(Result(400, "The programming language which you selected was not supported"));
}
if (request.isSelfTest && request.data.Count() == 0)
{
return(Result(400, "The self testing data has not been found"));
}
if (problem.Source != ProblemSource.Local && request.isSelfTest)
{
return(Result(400, "You could not use self data to test with a remote problem."));
}
if (IsGroupRequest() && !await DB.GroupProblems.AnyAsync(x => x.ProblemId == problem.Id && x.GroupId == CurrentGroup.Id) && string.IsNullOrEmpty(request.contestId))
{
return(Result(404, "The problem does not exist."));
}
#region Local Judge
if (problem.Source == ProblemSource.Local)
{
var blobs = new ConcurrentDictionary <int, BlobInfo[]>();
blobs.TryAdd(-1, new[] { new BlobInfo
{
Id = await MgmtSvc.PutBlobAsync("Main" + Constants.GetSourceExtension(request.language), Encoding.UTF8.GetBytes(request.code)),
Name = "Main" + Constants.GetSourceExtension(request.language),
Tag = "Problem=" + problem.Id
} });
blobs.TryAdd(-2, new[] { new BlobInfo
{
Id = await MgmtSvc.PutBlobAsync("limit.json", Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(new
{
UserTime = problem.TimeLimitationPerCaseInMs,
PhysicalTime = problem.TimeLimitationPerCaseInMs * 4,
Memory = problem.MemoryLimitationPerCaseInByte
}))),
Name = "limit.json",
Tag = "Problem=" + problem.Id
} });
if (!problem.ValidatorBlobId.HasValue)
{
blobs.TryAdd(-3, new[]
{
new BlobInfo
{
Id = Guid.Parse(Config["JoyOI:StandardValidatorBlobId"]),
Name = "Validator.out"
}
});
}
else
{
blobs.TryAdd(-3, new[]
{
new BlobInfo
{
Id = problem.ValidatorBlobId.Value,
Name = "Validator" + Constants.GetBinaryExtension(problem.ValidatorLanguage)
}
});
}
List <TestCase> testCases = null;
if (request.isSelfTest)
{
Parallel.For(0, request.data.Count(), i =>
{
// Uploading custom data
var inputId = MgmtSvc.PutBlobAsync($"input_{ i }.txt", Encoding.UTF8.GetBytes(request.data.ElementAt(i).input), token).Result;
var outputId = MgmtSvc.PutBlobAsync($"output_{ i }.txt", Encoding.UTF8.GetBytes(request.data.ElementAt(i).output), token).Result;
blobs.TryAdd(i, new[] {
new BlobInfo {
Id = inputId, Name = $"input_{ i }.txt", Tag = i.ToString()
},
new BlobInfo {
Id = outputId, Name = $"output_{ i }.txt", Tag = i.ToString()
}
});
});
}
else
{
testCases = await DB.TestCases
.Where(x => x.ProblemId == problem.Id && (x.Type == TestCaseType.Small || x.Type == TestCaseType.Large || x.Type == TestCaseType.Hack))
.ToListAsync(token);
if (testCases.Count == 0)
{
return(Result(400, "No test case found."));
}
for (var i = 0; i < testCases.Count; i++)
{
blobs.TryAdd(i, new[] {
new BlobInfo {
Id = testCases[i].InputBlobId, Name = $"input_{ i }.txt", Tag = i.ToString()
},
new BlobInfo {
Id = testCases[i].OutputBlobId, Name = $"output_{ i }.txt", Tag = i.ToString()
}
});
}
}
var stateMachineId = await MgmtSvc.PutStateMachineInstanceAsync("JudgeStateMachine", Config["ManagementService:CallBack"], blobs.SelectMany(x => x.Value), await CalculatePriorityAsync(), token);
var substatuses = blobs
.Where(x => x.Key >= 0)
.Select(x => new SubJudgeStatus
{
SubId = x.Key,
Result = JudgeResult.Pending,
InputBlobId = x.Value.Single(y => y.Name.StartsWith("input_")).Id,
OutputBlobId = x.Value.Single(y => y.Name.StartsWith("output_")).Id,
TestCaseId = testCases != null ? (Guid?)testCases[x.Key].Id : null
})
.ToList();
var status = new JudgeStatus
{
Code = request.code,
Language = request.language,
Result = JudgeResult.Pending,
CreatedTime = DateTime.UtcNow,
ContestId = request.contestId,
SubStatuses = substatuses,
ProblemId = problem.Id,
UserId = User.Current.Id,
IsSelfTest = request.isSelfTest,
RelatedStateMachineIds = new List <JudgeStatusStateMachine>
{
new JudgeStatusStateMachine
{
StateMachine = new StateMachine
{
CreatedTime = DateTime.UtcNow,
Name = "JudgeStateMachine",
Id = stateMachineId
},
StateMachineId = stateMachineId
}
},
};
if (IsGroupRequest())
{
status.GroupId = CurrentGroup.Id;
}
DB.JudgeStatuses.Add(status);
await DB.SaveChangesAsync(token);
hub.Clients.All.InvokeAsync("ItemUpdated", "judge", status.Id);
// For debugging
if (Config["ManagementService:Mode"] == "Polling")
{
Task.Factory.StartNew(async() =>
{
using (var scope = scopeFactory.CreateScope())
using (var db = scope.ServiceProvider.GetService <OnlineJudgeContext>())
{
try
{
await awaiter.GetStateMachineResultAsync(stateMachineId);
var handler = scope.ServiceProvider.GetService <JudgeStateMachineHandler>();
await handler.HandleJudgeResultAsync(stateMachineId, default(CancellationToken));
}
catch (Exception ex)
{
Console.Error.WriteLine(ex);
}
}
});
}
return(Result(status.Id));
}
#endregion
#region Bzoj, LeetCode, CodeVS
else if (problem.Source == ProblemSource.Bzoj || problem.Source == ProblemSource.LeetCode || problem.Source == ProblemSource.CodeVS)
{
var metadata = new
{
Source = problem.Source.ToString(),
Language = request.language,
Code = request.code,
ProblemId = problem.Id.Replace(problem.Source.ToString().ToLower() + "-", "")
};
var metadataBlob = new BlobInfo
{
Id = await MgmtSvc.PutBlobAsync("metadata.json", Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(metadata)), token),
Name = "metadata.json",
Tag = "Problem=" + problem.Id
};
var stateMachineId = await MgmtSvc.PutStateMachineInstanceAsync("VirtualJudgeStateMachine", Config["ManagementService:Callback"], new[] { metadataBlob }, await CalculatePriorityAsync(), token);
var status = new JudgeStatus
{
Code = request.code,
ContestId = request.contestId,
Language = request.language,
ProblemId = problem.Id,
IsSelfTest = false,
UserId = User.Current.Id,
Result = JudgeResult.Pending,
RelatedStateMachineIds = new List <JudgeStatusStateMachine>
{
new JudgeStatusStateMachine {
StateMachine = new StateMachine
{
CreatedTime = DateTime.UtcNow,
Name = "JudgeStateMachine",
Id = stateMachineId
},
StateMachineId = stateMachineId
}
}
};
if (IsGroupRequest())
{
status.GroupId = CurrentGroup.Id;
}
DB.JudgeStatuses.Add(status);
await DB.SaveChangesAsync(token);
// For debugging
if (Config["ManagementService:Mode"] == "Polling")
{
Task.Factory.StartNew(async() =>
{
using (var scope = scopeFactory.CreateScope())
{
try
{
await awaiter.GetStateMachineResultAsync(stateMachineId);
var handler = scope.ServiceProvider.GetService <JudgeStateMachineHandler>();
await handler.HandleJudgeResultAsync(stateMachineId, default(CancellationToken));
}
catch (Exception ex)
{
Console.Error.WriteLine(ex);
}
}
});
}
hub.Clients.All.InvokeAsync("ItemUpdated", "judge", status.Id);
return(Result(status.Id));
}
#endregion
#region Others
else
{
throw new NotSupportedException(problem.Source.ToString() + " has not been supported yet.");
}
#endregion
}
public async Task <IActionResult> GetStandings(string contestId, Guid userId, [FromServices] ContestExecutorFactory cef, CancellationToken token)
{
var ce = cef.Create(contestId);
if (!ce.IsAvailableToGetStandings(User.Current?.UserName) && !ce.HasPermissionToContest())
{
return(Result(401, "No permission"));
}
var username = (await DB.Users.SingleOrDefaultAsync(x => x.Id == userId)).UserName;
var ret = await ce.GenerateSingleStandingsAsync(username, token);
if (ret == null)
{
return(Result(404, "Standings of this user is not found"));
}
return(Result(ret));
}
public async Task <IActionResult> DeleteClaim(string username, string contestId, [FromServices] ContestExecutorFactory cef, CancellationToken token)
{
var ce = cef.Create(contestId);
if (!ce.HasPermissionToContest())
{
return(Result(401, "No permission"));
}
var user = await User.Manager.FindByNameAsync(username);
if (!await DB.UserClaims.AnyAsync(x => x.ClaimValue == contestId && x.ClaimType == Constants.ContestEditPermission && x.UserId == user.Id, token))
{
return(Result(404, "Claim not found"));
}
else if (username == User.Current.UserName)
{
return(Result(400, "Cannot remove yourself"));
}
else
{
await DB.UserClaims
.Where(x => x.ClaimValue == contestId && x.ClaimType == Constants.ContestEditPermission && x.UserId == user.Id)
.DeleteAsync(token);
return(Result(200, "Delete succeeded"));
}
}
public async Task<IActionResult> Put(
[FromServices] ContestExecutorFactory cef,
[FromServices] ManagementServiceClient mgmt,
[FromServices] IHubContext<OnlineJudgeHub> hub,
CancellationToken token)
{
var request = JsonConvert.DeserializeObject<HackRequest>(RequestBody);
if (!User.IsSignedIn())
{
return Result(403, "Please login first.");
}
var judge = await DB.JudgeStatuses
.Include(x => x.Problem)
.SingleOrDefaultAsync(x => x.Id == request.JudgeStatusId, token);
if (judge == null)
{
return Result(404, "The judge status is not found");
}
if (!judge.BinaryBlobId.HasValue)
{
return Result(400, "The lagency status could not be hacked.");
}
if (judge.UserId == User.Current.Id)
{
return Result(400, "You cannot hack yourself.");
}
if (IsGroupRequest() && !await IsGroupMemberAsync(token))
{
return Result(401, "You are not a member of this group.");
}
if (!string.IsNullOrEmpty(request.ContestId))
{
var ce = cef.Create(request.ContestId);
if (!ce.IsStatusHackable(judge) || !ce.IsContestInProgress())
{
return Result(400, "You cannot hack this status");
}
if (await DB.HackStatuses.AnyAsync(x => x.UserId == User.Current.Id && x.JudgeStatusId == request.JudgeStatusId && x.Result == HackResult.Succeeded && x.ContestId == request.ContestId, token))
{
return Result(400, "You have already hacked this status.");
}
}
// Upload hack data to management service
if (request.IsBase64)
{
request.Data = request.Data.Substring(request.Data.IndexOf("base64,") + "base64,".Length);
}
var blobId = await mgmt.PutBlobAsync("data.txt", request.IsBase64 ? Convert.FromBase64String(request.Data) : Encoding.UTF8.GetBytes(request.Data), token);
var hack = new HackStatus
{
ContestId = request.ContestId,
JudgeStatusId = judge.Id,
HackDataBlobId = blobId,
Result = HackResult.Pending,
Time = DateTime.UtcNow,
UserId = User.Current.Id,
HackeeResult = JudgeResult.Pending
};
DB.HackStatuses.Add(hack);
await DB.SaveChangesAsync(token);
var blobs = new List<BlobInfo>(10);
// Put the limit.json into blob collection
blobs.Add(new BlobInfo
{
Id = await mgmt.PutBlobAsync("limit.json", Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(new
{
UserTime = judge.Problem.TimeLimitationPerCaseInMs,
PhysicalTime = judge.Problem.TimeLimitationPerCaseInMs * 4,
Memory = judge.Problem.MemoryLimitationPerCaseInByte
}))),
Name = "limit.json",
Tag = "Problem=" + judge.ProblemId
});
// Put the data into blob collection
blobs.Add(new BlobInfo(blobId, "data.txt"));
// Put the hackee program into blob collection
blobs.Add(new BlobInfo(judge.BinaryBlobId.Value, "Hackee" + Constants.GetBinaryExtension(judge.Language), judge.Id.ToString()));
// Put range validator program into blob collection
if (judge.Problem.RangeBlobId.HasValue && string.IsNullOrEmpty(judge.Problem.RangeError))
{
blobs.Add(new BlobInfo(judge.Problem.RangeBlobId.Value, "Range" + Constants.GetBinaryExtension(judge.Problem.RangeLanguage)));
}
// Put standard program into blob collection
if (judge.Problem.StandardBlobId.HasValue && string.IsNullOrEmpty(judge.Problem.StandardError))
{
blobs.Add(new BlobInfo(judge.Problem.StandardBlobId.Value, "Standard" + Constants.GetBinaryExtension(judge.Problem.StandardLanguage)));
}
else
{
// Get 3 accepted programs instead of standard program
var statuses = await DB.JudgeStatuses
.Where(x => x.Result == JudgeResult.Accepted && x.ProblemId == judge.ProblemId && x.BinaryBlobId.HasValue && x.Id != judge.Id)
.OrderBy(x => x.TimeUsedInMs)
.ThenBy(x => x.MemoryUsedInByte)
.Take(3)
.ToListAsync(token);
if (statuses.Count == 0)
{
return Result(400, "Missing standard program, this status could not be hacked");
}
var standards = statuses.Select(x => new BlobInfo(x.BinaryBlobId.Value, "Standard-" + x.Id.ToString().Substring(0,8) + Constants.GetBinaryExtension(x.Language), x.Id.ToString()));
blobs.AddRange(standards);
}
// Put validator into blob collection
if (judge.Problem.ValidatorBlobId.HasValue)
{
blobs.Add(new BlobInfo(judge.Problem.ValidatorBlobId.Value, "Validator" + Constants.GetBinaryExtension(judge.Problem.ValidatorLanguage)));
}
else
{
blobs.Add(new BlobInfo(Guid.Parse(Configuration["JoyOI:StandardValidatorBlobId"]), "Validator.out"));
}
// Start hack state machine
var stateMachineId = await mgmt.PutStateMachineInstanceAsync("HackStateMachine", Configuration["ManagementService:CallBack"], blobs.ToArray(), 1, token);
var stateMachine = new StateMachine { CreatedTime = DateTime.Now, Name = "HackStateMachine", Id = stateMachineId };
DB.StateMachines.Add(stateMachine);
hack.RelatedStateMachineIds = new List<HackStatusStateMachine>();
hack.RelatedStateMachineIds.Add(new HackStatusStateMachine { StateMachineId = stateMachine.Id, StatusId = judge.Id });
await DB.SaveChangesAsync(token);
hub.Clients.All.InvokeAsync("ItemUpdated", "hack", hack.Id);
return Result(hack.Id);
}
public async Task <IActionResult> DeleteContestProblem(string contestId, string problemId, [FromServices] ContestExecutorFactory cef, [FromBody] string value, CancellationToken token)
{
var contestProblem = await DB.ContestProblems
.SingleOrDefaultAsync(x => x.ContestId == contestId && x.ProblemId == problemId, token);
if (contestProblem == null)
{
return(Result(404, "Contest problem not found"));
}
var ce = cef.Create(contestId);
if (!ce.HasPermissionToContest())
{
return(Result(401, "No permission to this contest"));
}
else
{
await DB.JudgeStatuses
.Where(x => x.ContestId == contestId)
.Where(x => x.ProblemId == problemId)
.DeleteAsync(token);
await DB.ContestProblems
.Where(x => x.ProblemId == problemId)
.Where(x => x.ContestId == contestId)
.DeleteAsync(token);
return(Result(200, "Delete succeeded"));
}
}
public async Task <IActionResult> PatchContestProblem(string contestId, string problemId, [FromServices] ContestExecutorFactory cef, [FromBody] string value, CancellationToken token)
{
var contestProblem = await DB.ContestProblems
.SingleOrDefaultAsync(x => x.ContestId == contestId && x.ProblemId == problemId, token);
if (contestProblem == null)
{
return(Result(404, "Contest problem not found"));
}
var ce = cef.Create(contestId);
if (!ce.HasPermissionToContest())
{
return(Result(401, "No permission to this contest"));
}
else
{
var fields = PatchEntity(contestProblem, value);
if (fields.Contains(nameof(ContestProblem.Number)))
{
if (await DB.ContestProblems.AnyAsync(x => x.ContestId == contestId && x.Number == contestProblem.Number))
{
return(Result(400, "The problem number is already existed."));
}
}
await DB.SaveChangesAsync(token);
return(Result(200, "Patch succeeded"));
}
}
public async Task <IActionResult> PutContestProblem(string contestId, string problemId, [FromServices] ContestExecutorFactory cef, CancellationToken token)
{
var contest = await DB.Contests
.SingleOrDefaultAsync(x => x.Id == contestId, token);
var problem = await DB.Problems
.SingleOrDefaultAsync(x => x.Id == problemId, token);
var problemCount = await DB.ContestProblems.CountAsync(x => x.ContestId == contestId);
if (contest == null)
{
return(Result(404, "Contest not found"));
}
else if (problem == null)
{
return(Result(404, "Problem not found"));
}
var ce = cef.Create(contestId);
if (problemCount >= 26)
{
return(Result(400, "The contest problem count cannot be greater than 26"));
}
else if (!ce.HasPermissionToContest())
{
return(Result(401, "No permission to this contest"));
}
else if (!problem.IsVisible && !await HasPermissionToProblemAsync(contestId, token))
{
return(Result(401, "No permission to this problem"));
}
else if (await DB.ContestProblems.AnyAsync(x => x.ContestId == contestId && x.ProblemId == problemId, token))
{
return(Result(400, "The problem has been already added into this contest"));
}
else
{
var contestProblem = PutEntity <ContestProblem>(RequestBody);
contestProblem.Entity.ContestId = contestId;
contestProblem.Entity.ProblemId = problemId;
if (contestProblem.Fields.Contains("Number"))
{
if (await DB.ContestProblems.AnyAsync(x => x.ContestId == contestId && x.Number == contestProblem.Entity.Number, token))
{
return(Result(400, "The problem number is already existed."));
}
}
else
{
contestProblem.Entity.Number = ProblemNumberString[problemCount].ToString();
}
DB.ContestProblems.Add(contestProblem.Entity);
await DB.SaveChangesAsync(token);
return(Result(200, "Put succeeded"));
}
}
public async Task<IActionResult> Get(
HackResult? hackStatus,
JudgeResult? judgeStatus,
string problemId,
string hacker,
string hackee,
DateTime? begin,
DateTime? end,
string contestId,
int? page,
[FromServices] ContestExecutorFactory cef,
CancellationToken token)
{
IQueryable<HackStatus> ret = DB.HackStatuses
.Include(x =>x.Status);
if (!page.HasValue)
{
page = 1;
}
if (hackStatus.HasValue)
{
ret = ret.Where(x => x.Result == hackStatus.Value);
}
if (judgeStatus.HasValue)
{
ret = ret.Where(x => x.HackeeResult == judgeStatus.Value);
}
if (!string.IsNullOrEmpty(hacker))
{
ret = ret.Where(x => x.User.UserName == hacker);
}
if (!string.IsNullOrEmpty(hackee))
{
ret = ret.Where(x => x.Status.User.UserName == hackee);
}
if (begin.HasValue)
{
ret = ret.Where(x => x.Time >= begin.Value);
}
if (end.HasValue)
{
ret = ret.Where(x => x.Time <= end.Value);
}
if (!string.IsNullOrEmpty(contestId))
{
ret = ret.Where(x => x.ContestId == contestId);
}
if (!string.IsNullOrEmpty(problemId))
{
ret = ret.Where(x => x.Status.ProblemId == problemId);
}
if (IsGroupRequest())
{
ret = ret.Where(x => x.GroupId == CurrentGroup.Id);
}
return await Paged(ret.OrderByDescending(x => x.Time)
.Select(x => new HackViewModel
{
Id = x.Id,
problemId = x.Status.ProblemId,
HackerId = x.UserId,
HackeeId = x.Status.UserId,
HackResult = x.Result,
JudgeResult = x.HackeeResult,
Time = x.Time,
TimeUsedInMs = x.TimeUsedInMs,
MemoryUsedInByte = x.MemoryUsedInByte,
JudgeStatusId = x.JudgeStatusId
}),
page.Value,
20,
token);
}
public async Task <IActionResult> PutClaims(string contestId, string username, [FromServices] ContestExecutorFactory cef, CancellationToken token)
{
var ce = cef.Create(contestId);
if (!ce.HasPermissionToContest())
{
return(Result(401, "No permission"));
}
var user = await User.Manager.FindByNameAsync(username);
if (await DB.UserClaims.AnyAsync(x => x.ClaimValue == contestId && x.ClaimType == Constants.ContestEditPermission && x.UserId == user.Id, token))
{
return(Result(400, "Already exists"));
}
else
{
if (user == null)
{
return(Result(404, "User is not found"));
}
else if (!(IsGroupRequest() && await HasPermissionToGroupAsync(token) && await DB.GroupMembers.AnyAsync(x => x.GroupId == CurrentGroup.Id && x.UserId == user.Id && x.Status == GroupMemberStatus.Approved)) && !IsMasterOrHigher)
{
return(Result(401, user.UserName + " is not a member of your group."));
}
else if (await DB.UserClaims.Where(x => x.ClaimType == Constants.ContestEditPermission && x.ClaimValue == contestId).CountAsync(token) >= 5)
{
return(Result(400, "Max 5 referees in a contest."));
}
DB.UserClaims.Add(new IdentityUserClaim <Guid>
{
ClaimType = Constants.ContestEditPermission,
UserId = user.Id,
ClaimValue = contestId
});
await DB.SaveChangesAsync(token);
return(Result(200, "Succeeded"));
}
}
public async Task <IActionResult> GetStandings(string contestId, bool?includingVirtual, [FromServices] ContestExecutorFactory cef, CancellationToken token)
{
var ce = cef.Create(contestId);
if (!ce.IsAvailableToGetStandings(User.Current?.UserName) && !ce.HasPermissionToContest())
{
return(Result(401, "No permission"));
}
var contest = await DB.Contests.SingleOrDefaultAsync(x => x.Id == contestId, token);
if (contest == null)
{
return(Result(404, "Not found"));
}
if (!includingVirtual.HasValue)
{
includingVirtual = true;
}
var problems = DB.ContestProblems
.Where(x => x.ContestId == contestId)
.OrderBy(x => x.Number)
.Select(x => new ContestExecutor.ProblemSummary
{
number = x.Number,
point = x.Point,
id = x.ProblemId
})
.ToList();
var attendees = await ce.GenerateFullStandingsAsync(includingVirtual.Value, token);
return(Result(new Standings {
id = contestId,
title = contest.Title,
columnDefinations = ce.PointColumnDefinations,
problems = problems,
attendees = attendees
}));
}
