/// <summary>
/// resolves captcha if found
/// </summary>
public async Task ResolveCaptchaAsync()
{
AudioTrials = 0;
_log.Called();
try
{
if (StopCT.IsCancellationRequested)
{
StopCT.ThrowIfCancellationRequested(); //cancellation
}
VerifyClickerInput();
await _scrapService.TurnOffAlertsAsync(WebBrowser);
if (SearchViaTor && HowManySearches == _torSearchesCaptchaLimit)
{
GetNewIp(WebBrowser);
}
else
{
Pause(); //if paused
await _scrapService.ClickCheckboxIcon(ClickerInput);
Pause(); //if paused
await Task.Delay(10000); //wait for pics to load JS pics
if (StopCT.IsCancellationRequested)
{
StopCT.ThrowIfCancellationRequested(); //cancellation
}
bool isCaptcha = await _scrapService.CheckForRecaptchaAsync(WebBrowser);
if (isCaptcha)
{
await _scrapService.ClickAudioChallangeIconAsync(ClickerInput);
await ResolveAudioChallengeAsync();
}
else
{
await GetAndSaveResultAsync();
}
}
}
catch (Exception e)
{
_log.Error(e.Message);
}
}
/// <summary>
/// resolves audio captcha
/// </summary>
public async Task ResolveAudioChallengeAsync()
{
_log.Called();
try
{
Pause(); //if paused
await Task.Delay(5000); //wait to load JS window
if (StopCT.IsCancellationRequested)
{
StopCT.ThrowIfCancellationRequested(); //cancellation
}
bool isCaptcha = await _scrapService.CheckForRecaptchaAsync(WebBrowser);
if (isCaptcha)
{
if (AudioTrials == _audioTrialsLimit)
{
if (SearchViaTor)
{
GetNewIp(WebBrowser);
}
else
{
ChangeConnectionType(WebBrowser);
}
}
else
{
await RecordAndProcessAudioAsync();
AudioTrials++;
_log.Info(AudioTrials.ToString());
}
}
else
{
//log that no more captcha
}
}
catch (Exception e)
{
_log.Error(e.Message);
}
}
/// <summary>
/// sending audio result
/// </summary>
/// <param name="audioResult">result of audio processing</param>
public async Task SendAudioResultAsync(string audioResult)
{
_log.Called(audioResult);
try
{
if (StopCT.IsCancellationRequested)
{
StopCT.ThrowIfCancellationRequested(); //cancellation
}
audioResult = _fileService.ProsessText(audioResult);
Pause(); //if paused
await _scrapService.ClickTextBoxAsync(ClickerInput);
Pause(); //if paused
await _scrapService.EnterResultAsync(ClickerInput, audioResult);
await Task.Delay(6000); //wait for audio challenge result
bool isCaptcha = await _scrapService.CheckForRecaptchaAsync(WebBrowser);
if (isCaptcha)
{
InputCorrection = true;
await ResolveAudioChallengeAsync();
}
else
{
//log
await GetAndSaveResultAsync();
}
}
catch (Exception e)
{
_log.Error(e.Message);
}
}
/// <summary>
/// recording and processing audio
/// </summary>
public async Task RecordAndProcessAudioAsync()
{
_log.Called();
try
{
Pause(); //if paused
if (StopCT.IsCancellationRequested)
{
StopCT.ThrowIfCancellationRequested(); //cancellation
}
await _scrapService.ClickPlayIconAsync(ClickerInput, InputCorrection);
await _audioService.RecordAudioSampleAsync();
string audioResult = await _audioService.ProcessAudioSampleAsync();
if (string.IsNullOrEmpty(audioResult))
{
//log
await MakeNewAudioChallengeAsync();
}
else
{
//log
await SendAudioResultAsync(audioResult);
}
}
catch (Exception e)
{
_log.Error(e.Message);
}
}
/// <summary>
/// gets new record to be saved
/// </summary>
public async Task GetNewRecordAsync()
{
_log.Called();
string phrase = SearchPhrase.Replace("<name>", NameList[PhraseNo]);
LoadingPage = true;
HowManySearches++;
WebBrowser.Load("https://www.google.com/");
_pageLoadedEventHandler = async(sender, args) =>
{
if (args.IsLoading == false)
{
WebBrowser.LoadingStateChanged -= _pageLoadedEventHandler;
try
{
if (StopCT.IsCancellationRequested)
{
StopCT.ThrowIfCancellationRequested(); //cancellation
}
Pause(); //if paused
await _scrapService.EnterPhraseAsync(ClickerInput, WebBrowser, phrase);
Pause(); //if paused
await _scrapService.ClickSearchBtnAsync(ClickerInput, WebBrowser);
Pause(); //if paused
bool isCaptcha = await CheckForCaptchaAsync();
Pause(); //if paused
if (!isCaptcha)
{
await GetAndSaveResultAsync();
}
else
{
throw new Exception("Captcha detected");
}
Pause(); //if paused
}
catch (OperationCanceledException e)
{
_log.Info("Method STOP cancelled: " + e.Message);
}
catch (Exception e)
{
if (e.Message == "Captcha detected" && !StopCT.IsCancellationRequested)
{
_log.Info(e.Message);
ClickerInput = true;
await ResolveCaptchaAsync();
ClickerInput = false;
}
else
{
_log.Error(e.Message);
}
}
finally
{
LoadingPage = false;
}
}
};
WebBrowser.LoadingStateChanged += _pageLoadedEventHandler;
while (LoadingPage)
{
await Task.Delay(50); //if still crawling
}
}
