/**
* <see cref="M:DeathByCaptcha.Client.Upload(byte[])"/>
*/
public override Captcha Upload(byte[] img)
{
string boundary = BitConverter.ToString(
(new SHA1CryptoServiceProvider()).ComputeHash(
Encoding.ASCII.GetBytes(DateTime.Now.ToString("G"))
)
).Replace("-", String.Empty);
Hashtable args = this.Credentials;
args["swid"] = Convert.ToString(Client.SoftwareVendorId);
string[] rawArgs = new string[args.Count + 2];
int i = 0;
foreach (DictionaryEntry e in args) {
string v = (string)e.Value;
rawArgs[i++] = String.Join("\r\n", new string[] {
"--" + boundary,
"Content-Disposition: form-data; name=\"" + (string)e.Key + "\"",
"Content-Length: " + v.Length,
"",
v
});
}
rawArgs[i++] = String.Join("\r\n", new string[] {
"--" + boundary,
"Content-Disposition: form-data; name=\"captchafile\"; filename=\"captcha.jpeg\"",
"Content-Type: application/octet-stream",
"Content-Length: " + img.Length,
""
});
byte[] hdr = Encoding.ASCII.GetBytes(String.Join("\r\n", rawArgs));
byte[] ftr = Encoding.ASCII.GetBytes("\r\n--" + boundary + "--\r\n");
byte[] body = new byte[hdr.Length + img.Length + ftr.Length];
hdr.CopyTo(body, 0);
img.CopyTo(body, hdr.Length);
ftr.CopyTo(body, hdr.Length + img.Length);
Captcha c = new Captcha(this.Call(
"captcha",
body,
"multipart/form-data; boundary=" + boundary
));
return c.Uploaded ? c : null;
}
/**
* <see cref="M:DeathByCaptcha.Client.Upload(byte[])"/>
*/
public override Captcha Upload(byte[] img)
{
Hashtable args = new Hashtable();
args["swid"] = Client.SoftwareVendorId;
args["captcha"] = Convert.ToBase64String(img);
Captcha c = new Captcha(this.Call("upload", args));
return c.Uploaded ? c : null;
}
/**
* <summary>Wait for a CAPTCHA to be solved.</summary>
* <param name="captcha">Uploaded CAPTCHA.</param>
* <param name="timeout">Solving timeout (in seconds).</param>
* <returns>CAPTCHA if solved, null otherwise.</returns>
*/
protected Captcha Poll(Captcha captcha, int timeout)
{
if (null != captcha) {
DateTime deadline =
DateTime.Now.AddSeconds(0 < timeout
? timeout
: Client.DefaultTimeout);
while (deadline > DateTime.Now && !captcha.Solved) {
Thread.Sleep(Client.PollsInterval * 1000);
try {
captcha = this.GetCaptcha(captcha);
} catch (System.Exception e) {
if (this.Verbose) {
Console.WriteLine(DateTime.Now.Ticks + " POLL " + e.Message);
}
return null;
}
}
if (captcha.Solved && captcha.Correct) {
return captcha;
}
}
return null;
}
/**
* <summary>Report an incorrectly solved CAPTCHA.</summary>
* <param name="captcha">CAPTCHA.</param>
* <returns>true on success.</returns>
*/
public bool Report(Captcha captcha)
{
return this.Report(captcha.Id);
}
/**
* <param name="captcha">CAPTCHA.</param>
* <returns>Uploaded CAPTCHA text, null if not found or not solved yet.</returns>
*/
public string GetText(Captcha captcha)
{
return this.GetCaptcha(captcha).Text;
}
/**
* <param name="captcha">CAPTCHA.</param>
* <returns>Uploaded CAPTCHA if exists, null otherwise.</returns>
*/
public Captcha GetCaptcha(Captcha captcha)
{
return this.GetCaptcha(captcha.Id);
}