protected async Task AuthenticateAsync(QBittorrentClient client)
{
if (!string.IsNullOrEmpty(UserName))
{
if (Password == null && AskForPassword)
{
Password = Prompt.GetPassword("Please, enter your password: ");
}
await client.LoginAsync(UserName, Password);
}
}
public async Task EnsureLoggedInAsync()
{
try
{
await _client.GetApiVersionAsync();
}
catch (QBittorrentClientRequestException e)
{
if (e.StatusCode == HttpStatusCode.Forbidden)
{
_logger.LogWarning("Qbittorrent logged out, logging in Now");
await _client.LoginAsync(_qbittorrentSetting.Username, _qbittorrentSetting.Password);
}
}
}
private static async Task RunOptions(Options opts)
{
if (opts.DryRun)
{
Console.WriteLine($"Dry run!");
}
var deleteCount = 0;
long spaceSaved = 0;
var client = new QBittorrentClient(new Uri(opts.Url));
await client.LoginAsync(opts.Username, opts.Password);
var torrents = await client.GetTorrentListAsync();
foreach (var directory in Directory.GetDirectories(opts.Path).OrderBy(x => x))
{
var dirName = Path.GetFileName(directory);
if (!torrents.Any(x => x.Name == dirName))
{
var dirSize = DirSize(new DirectoryInfo(directory));
Console.WriteLine($"Deleting: ({BytesToString(dirSize)}) {directory}");
if (!opts.DryRun)
{
Directory.Delete(directory, true);
}
deleteCount++;
spaceSaved += dirSize;
}
}
Console.WriteLine($"Deleted {deleteCount} of left behind torrents which saves {BytesToString(spaceSaved)}.");
}
static void Main(string[] args)
{
List <string> removeHashes = new List <string>();
Dictionary <string, MetricsTorrent> torrentMetrics = new Dictionary <string, MetricsTorrent>();
CLOptions options = null;
Parser.Default.ParseArguments <CLOptions>(args)
.WithParsed <CLOptions>(o =>
{
options = o;
});
Console.WriteLine($"Starting Prometheus scrape listener on {options.PrometheusAddress}:{options.PrometheusPort}");
var promServer = new MetricServer(options.PrometheusAddress, options.PrometheusPort);
promServer.Start();
Console.WriteLine($"Creating qbittorrent WebAPI client on {options.QbittorrentIpAddress}:{options.QbittorrentPort}");
QBittorrentClient client = new QBittorrentClient(new Uri($"http://{options.QbittorrentIpAddress}:{options.QbittorrentPort}"));
bool reconnectRequired = true;
for (; ;)
{
try
{
if (reconnectRequired)
{
try { var logoutTask = client.LogoutAsync(); logoutTask.Wait(); } catch { }
var loginTask = client.LoginAsync(options.QbittorrentUsername, options.QbittorrentPassword);
loginTask.Wait();
}
reconnectRequired = false;
if (options.Verbose)
{
Console.WriteLine($"Processing Qbittorrent Poll at {DateTime.Now}");
}
var getTorrentListTask = client.GetTorrentListAsync();
getTorrentListTask.Wait();
var response = getTorrentListTask.Result;
if (response != null)
{
foreach (var trackedTorrent in torrentMetrics)
{
trackedTorrent.Value.BeginPoll();
}
// summarize all sub-torrent data
foreach (var torrent in response)
{
if (torrentMetrics.ContainsKey(torrent.Hash))
{
torrentMetrics[torrent.Hash].UpdateStatus(torrent);
}
else
{
var newTorrent = new MetricsTorrent(torrent, options);
torrentMetrics.Add(torrent.Hash, newTorrent);
newTorrent.UpdateStatus(torrent);
}
}
foreach (var trackedTorrent in torrentMetrics)
{
trackedTorrent.Value.EndPoll();
if (trackedTorrent.Value.TorrentDeleted)
{
removeHashes.Add(trackedTorrent.Value.Hash);
}
}
foreach (var item in removeHashes)
{
torrentMetrics.Remove(item);
}
removeHashes.Clear();
}
}
catch (Exception ex)
{
Console.WriteLine($"Fatal Error: {ex.Message}");
reconnectRequired = true;
}
System.Threading.Thread.Sleep(TimeSpan.FromSeconds(options.QbitorrentPollSeconds));
}
}
private static async void Bot_OnMessage(object sender, MessageEventArgs e)
{
string messageText = e.Message.Text;
ChatId chatId = e.Message.Chat.Id;
try
{
if (chatId.Identifier == _chatId.Identifier)
{
if (messageText.ToLower() == "/status")
{
var startTimeInEt = TimeZoneInfo.ConvertTime(_startDateTime, GetEasternTimeZone());
await _botClient.SendTextMessageAsync(
chatId : _chatId,
text : string.Join(Environment.NewLine,
$"Status is good. Running on container '{Environment.MachineName}'. Platform is {GetOsPlatform()}.",
$"Bot uptime is {DateTimeOffset.UtcNow - _startDateTime} (since {startTimeInEt})."),
parseMode : ParseMode.Html
);
}
else if (messageText.ToLower() == "/qbittorrentstatus" && string.IsNullOrEmpty(_qBittorrentServer) == false)
{
// Instantiate the client
QBittorrentClient qBittorrentClient = new QBittorrentClient(new Uri($"http://{_qBittorrentServer}:8080"));
ApiVersion apiVersion = default;
try
{
await qBittorrentClient.LoginAsync(_qBittorrentUsername, _qBittorrentPassword);
apiVersion = await qBittorrentClient.GetApiVersionAsync();
}
catch (HttpRequestException ex) when(ex.InnerException is SocketException || ex is QBittorrentClientRequestException)
{
if ((ex.InnerException as SocketException)?.ErrorCode == 111)
{
// This means the login failed, which we will handle below.
await _botClient.SendTextMessageAsync(
chatId : _chatId,
text : "There was an error communicating with the qBittorrent server. It may be offline.");
return;
}
if ((ex as QBittorrentClientRequestException)?.StatusCode == HttpStatusCode.Forbidden)
{
// This means the login failed, which we will handle below.
await _botClient.SendTextMessageAsync(
chatId : _chatId,
text : "There was an error communicating with the qBittorrent server. You may have the wrong username/password.");
return;
}
throw;
}
// If we get here the server is online.
await _botClient.SendTextMessageAsync(
chatId : _chatId,
text : $"The qBittorrent server is online and running API version {apiVersion}.");
}
else
{
foreach (string messageLine in messageText.Split(Environment.NewLine))
{
if (Uri.TryCreate(messageLine, UriKind.Absolute, out Uri uri) && (uri.Scheme == Uri.UriSchemeHttp || uri.Scheme == Uri.UriSchemeHttps))
{
// Check if our data directory exists. If not, we can't download anything.
if (Directory.Exists("/data/") == false)
{
await _botClient.SendTextMessageAsync(
chatId : _chatId,
text : "Data directory mapping does not exist. Cannot process video download request.");
break;
}
// We got a valid URL, now check if it's a YouTube URL
// (This handles youtube.com and youtu.be)
if (messageLine.Contains("youtu", StringComparison.OrdinalIgnoreCase))
{
string processName = "yt-dlp";
string args = $"-f bestvideo+bestaudio -o \"%(uploader)s [%(channel_id)s]/%(upload_date)s [%(id)s].%(ext)s\" --sponsorblock-mark all --sponsorblock-chapter-title \"%(category_names)l\" {messageLine}";
Console.WriteLine($"Got a YouTube URL: {uri}. Executing command '{processName} {args}'");
Process process = Process.Start(new ProcessStartInfo
{
FileName = processName,
Arguments = args,
UseShellExecute = false,
RedirectStandardOutput = true,
CreateNoWindow = true,
WorkingDirectory = "/data/"
});
// This is important to cause OutputDataReceived to be fired
process.BeginOutputReadLine();
Message outputMessage = default;
List <string> output = new List <string>();
string lastLine = string.Empty;
DateTimeOffset lastMessageSent = DateTimeOffset.MinValue;
process.OutputDataReceived += async(_, dataReceivedEventArgs) =>
{
string newLine = dataReceivedEventArgs.Data;
// Don't print blank lines
if (string.IsNullOrWhiteSpace(newLine))
{
return;
}
Console.WriteLine(newLine);
// If the last line contains a % and this line contains a %, replace the last line with this one.
if (lastLine.Contains('%') && newLine.Contains('%'))
{
output.Remove(lastLine);
}
output.Add(newLine);
lastLine = newLine;
// Don't send messages more often than 1/s
// Do this skip after we've updated the output so that we get all of it by the end, even if we don't send it.
if (DateTimeOffset.Now - lastMessageSent < TimeSpan.FromSeconds(1))
{
return;
}
lastMessageSent = DateTimeOffset.Now;
if (outputMessage is null)
{
outputMessage = await _botClient.SendTextMessageAsync(
chatId : _chatId,
text : string.Join(Environment.NewLine, output));
}
// Only edit the message if the text has changed
else
{
try
{
await _botClient.EditMessageTextAsync(
chatId : _chatId,
messageId : outputMessage.MessageId,
text : string.Join(Environment.NewLine, output));
}
catch
{
// Don't let this any exceptions kill us.
// We could get MessageIsNotModifiedException if we try to edit with the same text.
// We could get HttpRequestException if we try to edit in too rapid succession.
}
}
};
process.WaitForExit();
// After the process exits, make sure we actually wrote the whole output
while (true)
{
try
{
await _botClient.EditMessageTextAsync(
chatId : _chatId,
messageId : outputMessage.MessageId,
text : string.Join(Environment.NewLine, output));
break;
}
catch (HttpRequestException)
{
}
catch (MessageIsNotModifiedException)
{
// This means we were able to successfully write the final message.
break;
}
}
Console.WriteLine($"yt-dlp return value is {process.ExitCode}");
if (process.ExitCode == 0)
{
outputMessage = await _botClient.SendTextMessageAsync(
chatId : _chatId,
text : "Video downloaded successfully!");
}
else
{
outputMessage = await _botClient.SendTextMessageAsync(
chatId : _chatId,
text : "Video download failed.");
}
}
}
}
}
}
}
catch (Exception ex)
{
await _botClient.SendTextMessageAsync(
chatId : _chatId,
text : "There was an error processing your request.");
Console.WriteLine(string.Join(Environment.NewLine,
"Processing Error.",
$"Message: {messageText}",
$"Sender name / ID: {e.Message.Chat.Username} / {chatId}",
"",
ex.ToString()));
}
}