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Fix denial of service bug, empty questions handling and images handling

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This commit is contained in:
Marco Realacci 2024-01-22 17:35:01 +01:00
parent 5b626f09a4
commit 2b5339ec92
2 changed files with 81 additions and 63 deletions
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40
Bot/Telegram/TelegramBot.cs
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@ -50,7 +50,9 @@ namespace SoUnBot.Telegram
async Task HandleUpdateAsync(ITelegramBotClient botClient, Update update, CancellationToken cancellationToken)
{
long chatId;
try
{
long chatId;
if (update.Type == UpdateType.CallbackQuery)
{
@ -105,8 +107,7 @@ namespace SoUnBot.Telegram
await botClient.SendTextMessageAsync(
chatId: chatId,
text: "Invio annuncio in corso...",
cancellationToken: cancellationToken);
text: "Invio annuncio in corso...");
new Thread(() =>
{
Thread.CurrentThread.IsBackground = true;
@ -144,21 +145,32 @@ namespace SoUnBot.Telegram
// Echo received message text
Message sentMessage = await botClient.SendTextMessageAsync(
chatId: chatId,
text: motd,
cancellationToken: cancellationToken);
text: motd);
}
catch(Exception e)
{
Console.WriteLine("Error handling the update: " + e.Message);
}
}
Task HandleErrorAsync(ITelegramBotClient botClient, Exception exception, CancellationToken cancellationToken)
async Task HandleErrorAsync(ITelegramBotClient botClient, Exception exception, CancellationToken cancellationToken)
{
var ErrorMessage = exception switch
if (exception is ApiRequestException apiRequestException)
{
ApiRequestException apiRequestException
=> $"Telegram API Error:\n[{apiRequestException.ErrorCode}]\n{apiRequestException.Message}",
_ => exception.ToString()
};
await botClient.SendTextMessageAsync(_accessManager.AdminId, apiRequestException.ToString());
}
Console.WriteLine(ErrorMessage);
return Task.CompletedTask;
// Restart the bot (otherwise it would become an amoeba)
using var cts = new CancellationTokenSource();
var receiverOptions = new ReceiverOptions
{
AllowedUpdates = { }
};
BotClient.StartReceiving(
HandleUpdateAsync,
HandleErrorAsync,
receiverOptions,
cancellationToken: cts.Token);
}
private async void SendToEveryone(ITelegramBotClient botClient, long chatId, string text)
@ -172,7 +184,7 @@ namespace SoUnBot.Telegram
chatId: user,
text: text
);
await Task.Delay(500);
await Task.Delay(100);
}
catch
{