/**
* Sends captcha to `/in.php` and waits for it's result.
* This helper can be used instead of manual using of `send` and `getResult` functions.
*
* @param captcha
* @param waitOptions
* @throws Exception
*/
public async Task Solve(Captcha.Captcha captcha, Dictionary <string, int> waitOptions)
{
captcha.Id = await Send(captcha);
if (!lastCaptchaHasCallback)
{
await WaitForResult(captcha, waitOptions);
}
}
/**
* Sends captcha to `/in.php` and waits for it's result.
* This helper can be used instead of manual using of `send` and `getResult` functions.
*
* @param captcha
* @throws Exception
*/
public async Task Solve(Captcha.Captcha captcha)
{
var waitOptions = new Dictionary <string, int>();
if (captcha.GetType() == typeof(ReCaptcha))
{
waitOptions["timeout"] = RecaptchaTimeout;
}
await Solve(captcha, waitOptions);
}
/**
* Sends captcha to '/in.php', and returns its `id`
*
* @param captcha
* @return
* @throws Exception
*/
public async Task <string> Send(Captcha.Captcha captcha)
{
var parameters = captcha.GetParameters();
var files = captcha.GetFiles();
SendAttachDefaultParameters(parameters);
ValidateFiles(files);
string response = await apiClient.In(parameters, files);
if (!response.StartsWith("OK|"))
{
throw new ApiException("Cannot recognise api response (" + response + ")");
}
return(response.Substring(3));
}
/**
* This helper waits for captcha result, and when result is ready, returns it
*
* @param captcha
* @param waitOptions
* @throws Exception
*/
public async Task WaitForResult(Captcha.Captcha captcha, Dictionary <string, int> waitOptions)
{
long startedAt = CurrentTime();
int timeout = waitOptions.TryGetValue("timeout", out timeout) ? timeout : DefaultTimeout;
int pollingInterval = waitOptions.TryGetValue("pollingInterval", out pollingInterval)
? pollingInterval
: PollingInterval;
while (true)
{
long now = CurrentTime();
if (now - startedAt < timeout)
{
await Task.Delay(pollingInterval * 1000).ConfigureAwait(false);
}
else
{
break;
}
try
{
string result = await GetResult(captcha.Id);
if (result != null)
{
captcha.Code = result;
return;
}
}
catch (NetworkException)
{
// ignore network errors
}
}
throw new TimeoutException("Timeout " + timeout + " seconds reached");
}
