public async Task Verify(string flag)
{
Challenge chall = await SharedFlagManager.GetChallByFlag(_context, flag);
if (chall == null)
{
await ReplyAsync("Your flag is incorrect.");
}
else
{
await ReplyAsync($"Your flag for **{chall.Title}** is correct.");
}
}
public async Task Flag(string flag)
{
var challenge = await SharedFlagManager.GetChallByFlag(_context, flag, includeArchived : true);
var config = await _context.Configuration.AsQueryable().FirstOrDefaultAsync();
if (config != null && config.IsFinished)
{
await ReplyAsync("The competition is already over.");
return;
}
if (challenge == null)
{
await ReplyAsync("Your flag is incorrect.");
if (config != null && config.GuildId != 0 && config.LogsChannelId != 0)
{
var logsChannel = _client.GetGuild(config.GuildId).GetTextChannel(config.LogsChannelId);
await logsChannel.SendMessageAsync($"<@{Context.User.Id}> submitted a wrong flag: **{Format.Sanitize(flag).Replace("@", "@\u200B")}**");
}
return;
}
if (challenge.State == 3)
{
await ReplyAsync("You are trying to submit a flag for an archived challenge.");
if (config != null && config.GuildId != 0 && config.LogsChannelId != 0)
{
var logsChannel = _client.GetGuild(config.GuildId).GetTextChannel(config.LogsChannelId);
await logsChannel.SendMessageAsync($"<@{Context.User.Id}> submitted a flag for an archived challenge: **{Format.Sanitize(flag).Replace("@", "@\u200B")}**");
}
return;
}
var user = await UserManager.GetOrCreateUser(_context, Context.User.Id, Context.User.ToString());
bool isTeam = (user.Team != null);
if ((!isTeam && user.Solves.Select(x => x.Challenge).Contains(challenge)) || (isTeam && user.Team.Solves.Select(x => x.Challenge).Contains(challenge)))
{
await ReplyAsync("You already solved that challenge!");
return;
}
if (config != null && config.GuildId != 0 && config.TodaysRoleId != 0)
{
var lastChall = await _context.Challenges.AsQueryable().OrderByDescending(x => x.ReleaseDate).FirstOrDefaultAsync(x => x.State == 2);
if (lastChall == challenge)
{
if (isTeam)
{
foreach (var member in user.Team.Members)
{
if (member.DiscordId == 0)
{
continue;
}
var guildUser = _client.GetGuild(config.GuildId).GetUser(member.DiscordId);
if (guildUser != null)
{
var role = _client.GetGuild(config.GuildId).GetRole(config.TodaysRoleId);
await guildUser.AddRoleAsync(role);
}
}
}
else
{
var guildUser = _client.GetGuild(config.GuildId).GetUser(Context.User.Id);
if (guildUser != null)
{
var role = _client.GetGuild(config.GuildId).GetRole(config.TodaysRoleId);
await guildUser.AddRoleAsync(role);
}
}
}
}
if (isTeam)
{
user.Team.LastUpdated = DateTime.UtcNow;
}
else
{
user.LastUpdated = DateTime.UtcNow;
}
var solve = new Solve
{
User = user,
Team = user.Team,
Challenge = challenge,
SolvedAt = DateTime.UtcNow,
Announced = true
};
await _context.Solves.AddAsync(solve);
await _context.SaveChangesAsync();
await ReplyAsync($"Congratulations! You solved **{challenge.Title}** challenge!");
bool dynamicScoring = _configuration.GetValue <bool>("DynamicScoring");
await SolvesManager.AnnounceWebsiteSolves(_client, _context, dynamicScoring);
await SolvesManager.AnnounceSolve(_client, _context, challenge, user);
await LeaderboardManager.UpdateLeaderboard(_client, _context, dynamicScoring);
await RolesManager.UpdateRoles(_client, _context);
}
public async Task OnPostAsync(string flag)
{
if (!_signInManager.IsSignedIn(User))
{
Error = "You must log in first in order to submit a flag";
return;
}
var config = await _context.Configuration.FirstOrDefaultAsync();
if (config != null && config.IsFinished)
{
Error = "The competition is already over";
return;
}
var appUser = await _userManager.GetUserAsync(User);
flag = flag?.Trim();
var challenge = await SharedFlagManager.GetChallByFlag(_context, flag, includeArchived : true);
if (challenge == null)
{
_logger.LogInformation($"User \"{appUser.UserName}\" submitted a wrong flag ({flag})");
Error = "Your flag is incorrect";
return;
}
if (challenge.State == 3)
{
Error = "You are trying to submit a flag for an archived challenge";
return;
}
await _context.Entry(appUser).Reference(x => x.User).Query().Include(x => x.Team).LoadAsync();
if (appUser.User.Team == null)
{
await _context.Entry(appUser.User).Collection(x => x.Solves).Query().Include(x => x.Challenge).LoadAsync();
}
else
{
await _context.Entry(appUser.User.Team).Collection(x => x.Solves).Query().Include(x => x.Challenge).LoadAsync();
}
if ((appUser.User.Team == null && appUser.User.Solves.Select(x => x.Challenge).Contains(challenge)) || (appUser.User.Team != null && appUser.User.Team.Solves.Select(x => x.Challenge).Contains(challenge)))
{
Error = "You already solved that challenge";
return;
}
var time = DateTime.UtcNow;
if (time.Hour == 13 && time.Minute == 37)
{
_logger.LogInformation($"User \"{appUser.UserName}\" got the \"13:37 Hacker\" role");
await _userManager.AddToRoleAsync(appUser, "13:37 Hacker");
}
if (appUser.User.Team != null)
{
appUser.User.Team.LastUpdated = DateTime.UtcNow;
}
else
{
appUser.User.LastUpdated = DateTime.UtcNow;
}
var solve = new Solve
{
User = appUser.User,
Team = appUser.User.Team,
Challenge = challenge,
SolvedAt = DateTime.UtcNow,
Announced = false
};
await _context.Solves.AddAsync(solve);
await _context.SaveChangesAsync();
Success = $"Congratulations! You solved {challenge.Title} challenge!";
}
public async Task <IActionResult> SubmitAsync(string apiKey, [FromBody] SubmitData data)
{
if (!ModelState.IsValid)
{
return(BadRequest());
}
string flag = data.Flag.Trim();
var user = await _userManager.Users.FirstOrDefaultAsync(x => x.ApiKey == apiKey);
if (user == null)
{
return(StatusCode(403));
}
var config = await _context.Configuration.FirstOrDefaultAsync();
if (config != null && config.IsFinished)
{
return(Json(new { Success = false, Error = "The competition is already over" }));
}
var challenge = await SharedFlagManager.GetChallByFlag(_context, flag, includeArchived : true);
if (challenge == null)
{
return(Json(new { Success = false, Error = "Your flag is incorrect" }));
}
else if (challenge.State == 3)
{
return(Json(new { Success = false, Error = "You are trying to submit a flag for an archived challenge" }));
}
await _context.Entry(user).Reference(x => x.User).Query().Include(x => x.Team).LoadAsync();
bool isTeam = (user.User.Team != null);
if (isTeam)
{
await _context.Entry(user.User.Team).Collection(x => x.Solves).Query().Include(x => x.Challenge).LoadAsync();
}
else
{
await _context.Entry(user.User).Collection(x => x.Solves).Query().Include(x => x.Challenge).LoadAsync();
}
if ((!isTeam && user.User.Solves.Select(x => x.Challenge).Contains(challenge)) || (isTeam && user.User.Team.Solves.Select(x => x.Challenge).Contains(challenge)))
{
return(Json(new { Success = false, Error = "You already solved that challenge" }));
}
if (isTeam)
{
user.User.Team.LastUpdated = DateTime.UtcNow;
}
else
{
user.User.LastUpdated = DateTime.UtcNow;
}
var solve = new Solve
{
User = user.User,
Team = user.User.Team,
Challenge = challenge,
SolvedAt = DateTime.UtcNow,
Announced = false
};
await _context.Solves.AddAsync(solve);
await _context.SaveChangesAsync();
return(Json(new {
Success = true, Challenge = new
{
challenge.Id,
challenge.Title
}
}));
}