public static Authenticator RequestAuthenticator(AuthenticatorRegion authRegion)
{
byte[] plainTextRequest;
byte[] xorRequestKey = GetRandomBytes(20);
using (MemoryStream plainTextStream = new MemoryStream())
{
plainTextStream.Write(xorRequestKey, 0, 20); // Write Randomized Padding
// Force Blizzard to return an authenticator from a specific region if requested
if (authRegion != null)
{
string countryCode = (authRegion.RegionType == AuthenticatorRegion.RegionCode.NorthAmerica) ? "US" : "FR";
plainTextStream.Write(Encoding.UTF8.GetBytes(countryCode), 0, 2);
}
else
{
plainTextStream.Write(new byte[] { 0x0, 0x0 }, 0, 2);
}
plainTextStream.Write(GetRandomBytes(16, true), 0, 16);
plainTextRequest = plainTextStream.ToArray();
}
byte[] encryptedRequest = EncryptRSAPayload(plainTextRequest);
byte[] responseData = null;
try
{
using (HttpWebResponse response = HTTPPost(ENDPOINT_ENROLL, encryptedRequest))
{
if (response.StatusCode != HttpStatusCode.OK)
{
throw new InvalidBlizzardAPIResponse(String.Format("HTTP {0}: {1}", response.StatusCode, response.StatusDescription));
}
using (MemoryStream memStream = new MemoryStream())
{
using (Stream binaryStream = response.GetResponseStream())
{
byte[] temp = new byte[RESPONSE_BUFFER_SIZE];
int read;
while ((read = binaryStream.Read(temp, 0, RESPONSE_BUFFER_SIZE)) != 0)
{
memStream.Write(temp, 0, read);
}
responseData = memStream.ToArray();
if (responseData.Length != ENROLL_RESPONSE_SIZE)
{
throw new InvalidBlizzardAPIResponse(string.Format("Invalid response size (expected {0} got {1})", ENROLL_RESPONSE_SIZE, responseData.Length));
}
}
}
}
}
catch (WebException webEx)
{
HttpWebResponse response = webEx.Response as HttpWebResponse;
throw new InvalidBlizzardAPIResponse(String.Format("HTTP {0}: {1}", response.StatusCode, response.StatusDescription));
}
// Server Time Offset
byte[] serverTime = new byte[8];
Array.Copy(responseData, serverTime, 8);
Settings.SettingsDatabase.ServerTimeOffset = CalculateOffset(serverTime);
// Serial
string serial = Encoding.Default.GetString(responseData, 8, 17);
// Token
byte[] token = new byte[20];
Array.Copy(responseData, 25, token, 0, 20);
for (int i = xorRequestKey.Length - 1; i >= 0; i--)
{
token[i] ^= xorRequestKey[i];
}
return(new Authenticator(serial, token));
}
public static Authenticator RequestAuthenticator(AuthenticatorRegion authRegion)
{
byte[] plainTextRequest;
byte[] xorRequestKey = GetRandomBytes(20);
using (MemoryStream plainTextStream = new MemoryStream())
{
plainTextStream.Write(xorRequestKey, 0, 20); // Write Randomized Padding
// Force Blizzard to return an authenticator from a specific region if requested
if (authRegion != null)
{
string countryCode = (authRegion.RegionType == AuthenticatorRegion.RegionCode.NorthAmerica) ? "US" : "FR";
plainTextStream.Write(Encoding.UTF8.GetBytes(countryCode), 0, 2);
}
else
{
plainTextStream.Write(new byte[] { 0x0, 0x0 }, 0, 2);
}
plainTextStream.Write(GetRandomBytes(16, true), 0, 16);
plainTextRequest = plainTextStream.ToArray();
}
byte[] encryptedRequest = EncryptRSAPayload(plainTextRequest);
byte[] responseData = null;
try
{
using (HttpWebResponse response = HTTPPost(ENDPOINT_ENROLL, encryptedRequest))
{
if (response.StatusCode != HttpStatusCode.OK)
{
throw new InvalidBlizzardAPIResponse(String.Format("HTTP {0}: {1}", response.StatusCode, response.StatusDescription));
}
using (MemoryStream memStream = new MemoryStream())
{
using (Stream binaryStream = response.GetResponseStream())
{
byte[] temp = new byte[RESPONSE_BUFFER_SIZE];
int read;
while ((read = binaryStream.Read(temp, 0, RESPONSE_BUFFER_SIZE)) != 0)
{
memStream.Write(temp, 0, read);
}
responseData = memStream.ToArray();
if (responseData.Length != ENROLL_RESPONSE_SIZE)
{
throw new InvalidBlizzardAPIResponse(string.Format("Invalid response size (expected {0} got {1})", ENROLL_RESPONSE_SIZE, responseData.Length));
}
}
}
}
}
catch (WebException webEx)
{
HttpWebResponse response = webEx.Response as HttpWebResponse;
throw new InvalidBlizzardAPIResponse(String.Format("HTTP {0}: {1}", response.StatusCode, response.StatusDescription));
}
// Server Time Offset
byte[] serverTime = new byte[8];
Array.Copy(responseData, serverTime, 8);
Settings.SettingsDatabase.ServerTimeOffset = CalculateOffset(serverTime);
// Serial
string serial = Encoding.Default.GetString(responseData, 8, 17);
// Token
byte[] token = new byte[20];
Array.Copy(responseData, 25, token, 0, 20);
for (int i = xorRequestKey.Length - 1; i >= 0; i--)
{
token[i] ^= xorRequestKey[i];
}
return new Authenticator(serial, token);
}