public async Task VerifyAsync([Remainder] string response = null)
{
if (await verificationDatabase.Verified.GetVerifiedAsync(Context.User))
{
await Task.WhenAll
(
GiveVerificationAsync(),
Context.User.SendMessageAsync("We already decided you *probably* aren't a communist spy. We suggest you don't try your luck.")
);
return;
}
string captcha = await verificationDatabase.Captcha.GetCaptchaAsync(Context.User);
if (response == null || captcha == null)
{
await SendCaptchaAsync();
return;
}
if (response != captcha)
{
await BadAttemptAsync(captcha, response);
return;
}
await Task.WhenAll
(
GiveVerificationAsync(),
verificationDatabase.Verified.SetVerifiedAsync(Context.User),
Context.User.SendMessageAsync("We have confirmed you are *probably* not a communist spy. You may proceed.")
);
List <Task> cmds = new();
foreach (SocketGuild g in Context.User.MutualGuilds)
{
if (await verificationDatabase.Roles.GetVerificationRoleAsync(g) == null)
{
continue;
}
SocketGuildUser user = g.GetUser(Context.User.Id);
cmds.Add(SendToCaptchaLog.SendToCaptchaLogAsync(SendToCaptchaLog.CaptchaType.Completed, user, captcha, response));
cmds.Add(VerifyModLog.SendToModLogAsync(g.CurrentUser, user));
}
await Task.WhenAll(cmds);
}
private async Task BadAttemptAsync(string captcha, string response)
{
const int maxAttempts = 5;
int attempts = await verificationDatabase.Attempts.GetAttemptsAsync(Context.User);
attempts++;
if (attempts >= maxAttempts)
{
List <Task> commands = new()
{
verificationDatabase.Captcha.RemoveCaptchaAsync(Context.User),
verificationDatabase.Attempts.RemoveAttemptsAsync(Context.User),
Context.User.SendMessageAsync("You have run out of attempts, communist spy.\n" +
"If you would like to try again, please get a new captcha by typing `\\verify`.")
};
foreach (SocketGuild g in Context.User.MutualGuilds)
{
if (await verificationDatabase.Roles.GetVerificationRoleAsync(g) == null)
{
continue;
}
SocketGuildUser user = g.GetUser(Context.User.Id);
commands.Add(SendToCaptchaLog.SendToCaptchaLogAsync(SendToCaptchaLog.CaptchaType.OutOfAttempts, user, captcha, response, maxAttempts));
}
await Task.WhenAll(commands);
}
else
{
List <Task> commands = new()
{
verificationDatabase.Attempts.SetAttemptsAsync(Context.User, attempts),
Context.User.SendMessageAsync($"Incorrect. You have {maxAttempts - attempts} {(attempts == 1 ? "attempt" : "attempts")} remaining.")
};
foreach (SocketGuild g in Context.User.MutualGuilds)
{
if (await verificationDatabase.Roles.GetVerificationRoleAsync(g) == null)
{
continue;
}
SocketGuildUser user = g.GetUser(Context.User.Id);
commands.Add(SendToCaptchaLog.SendToCaptchaLogAsync(SendToCaptchaLog.CaptchaType.Failed, user, captcha, response, attempts));
}
await Task.WhenAll(commands);
}
}
public static async Task SendCaptchaAsync(SocketUser u)
{
string captchaCode = ImageFactory.CreateCode(6);
await Task.Yield();
Task save = verificationDatabase.Captcha.SetCaptchaAsync(captchaCode, u);
MemoryStream imageStream = ImageFactory.BuildImage(captchaCode, 60, 160, 24, 14);
imageStream.Position = 0;
Image image = Image.FromStream(imageStream);
image.Save($"{u.Id}.png", ImageFormat.Png);
await Task.WhenAll
(
save,
u.SendFileAsync($"{u.Id}.png", $"Please type `\\verify` followed by a space and this captcha code to continue{((u as SocketGuildUser) != null ? $" to {(u as SocketGuildUser)!.Guild.Name}" : "")}.\n")
);
image.Dispose();
File.Delete($"{u.Id}.png");
List <Task> commands = new();
foreach (SocketGuild g in u.MutualGuilds)
{
if (await verificationDatabase.Roles.GetVerificationRoleAsync(g) == null)
{
continue;
}
SocketGuildUser user = g.GetUser(u.Id);
commands.Add(SendToCaptchaLog.SendToCaptchaLogAsync(SendToCaptchaLog.CaptchaType.Requested, user, captchaCode));
}
await Task.WhenAll(commands);
}