private async Task <RequestEnvelope.Types.PlatformRequest> GenerateSignature(RequestEnvelope requestEnvelope, GeoCoordinate currentLocation)
{
byte[] ticketBytes = requestEnvelope.AuthTicket != null?requestEnvelope.AuthTicket.ToByteArray() : requestEnvelope.AuthInfo.ToByteArray();
// Common device info
var deviceInfo = new Signature.Types.DeviceInfo
{
DeviceId = _settings.DeviceId,
DeviceBrand = _settings.DeviceBrand,
DeviceModel = _settings.DeviceModel,
DeviceModelBoot = _settings.DeviceModelBoot + "\0",
HardwareManufacturer = _settings.HardwareManufacturer,
HardwareModel = _settings.HardwareModel + "\0",
FirmwareBrand = (_settings.DeviceModel == "iPhone" ? "iOS" : "iPhone OS"),
FirmwareType = _settings.FirmwareType
};
// Android
if (_client.Platform == Platform.Android)
{
deviceInfo.AndroidBoardName = _settings.AndroidBoardName;
deviceInfo.AndroidBootloader = _settings.AndroidBootloader;
deviceInfo.DeviceModelIdentifier = _settings.DeviceModelIdentifier;
deviceInfo.FirmwareTags = _settings.FirmwareTags;
deviceInfo.FirmwareFingerprint = _settings.FirmwareFingerprint;
}
var sig = new Signature
{
SessionHash = _sessionHash,
Unknown25 = _client.Unknown25,
Timestamp = (ulong)Utils.GetTime(true),
TimestampSinceStart = (ulong)(Utils.GetTime(true) - _client.StartTime),
DeviceInfo = deviceInfo
};
if (sig.TimestampSinceStart < 5000)
{
sig.TimestampSinceStart = (ulong)TRandomDevice.Next(5000, 8000);
}
var sen = new Signature.Types.SensorInfo()
{
LinearAccelerationX = TRandomDevice.Triangular(-3, 1, 0),
LinearAccelerationY = TRandomDevice.Triangular(-2, 3, 0),
LinearAccelerationZ = TRandomDevice.Triangular(-4, 2, 0),
MagneticFieldX = TRandomDevice.Triangular(-50, 50, 0),
MagneticFieldY = TRandomDevice.Triangular(-60, 50, -5),
MagneticFieldZ = TRandomDevice.Triangular(-60, 40, -30),
MagneticFieldAccuracy = TRandomDevice.Choice(new List <int>(new int[] { -1, 1, 1, 2, 2, 2, 2 })),
AttitudePitch = TRandomDevice.Triangular(-1.5, 1.5, 0.2),
AttitudeYaw = TRandomDevice.NextDouble(-3, 3),
AttitudeRoll = TRandomDevice.Triangular(-2.8, 2.5, 0.25),
RotationRateX = TRandomDevice.Triangular(-6, 4, 0),
RotationRateY = TRandomDevice.Triangular(-5.5, 5, 0),
RotationRateZ = TRandomDevice.Triangular(-5, 3, 0),
GravityX = TRandomDevice.Triangular(-1, 1, 0.15),
GravityY = TRandomDevice.Triangular(-1, 1, -.2),
GravityZ = TRandomDevice.Triangular(-1, .7, -0.8),
Status = 3
};
sen.TimestampSnapshot = (ulong)TRandomDevice.NextUInt((uint)(sig.TimestampSinceStart - 5000), (uint)(sig.TimestampSinceStart - 100));
sig.SensorInfo.Add(sen);
var locationFix = new Signature.Types.LocationFix
{
Provider = TRandomDevice.Choice(new List <string>(new string[] { "network", "network", "network", "network", "fused" })),
Latitude = (float)currentLocation.Latitude,
Longitude = (float)currentLocation.Longitude,
Altitude = (float)currentLocation.Altitude,
ProviderStatus = 3,
LocationType = 1
};
locationFix.TimestampSnapshot = (ulong)TRandomDevice.NextUInt((uint)(sig.TimestampSinceStart - 5000), (uint)(sig.TimestampSinceStart - 1000));
if (requestEnvelope.Accuracy >= 65)
{
locationFix.HorizontalAccuracy = TRandomDevice.Choice(new List <float>(new float[] { (float)requestEnvelope.Accuracy, 65, 65, TRandomDevice.Next(66, 80), 200 }));
if (_client.Platform == Platform.Ios)
{
locationFix.VerticalAccuracy = (float)TRandomDevice.Triangular(35, 100, 65);
}
}
else
{
locationFix.HorizontalAccuracy = (float)requestEnvelope.Accuracy;
if (_client.Platform == Platform.Ios)
{
locationFix.VerticalAccuracy = requestEnvelope.Accuracy > 10 ? (float)TRandomDevice.Choice(new List <double>(new double[] {
24,
32,
48,
48,
64,
64,
96,
128
})) : (float)TRandomDevice.Choice(new List <double>(new double[] {
3,
4,
6,
6,
8,
12,
24
}));
}
}
locationFix.HorizontalAccuracy = (float)Math.Round(locationFix.HorizontalAccuracy, GEOLOCATION_PRECISION);
locationFix.VerticalAccuracy = (float)Math.Round(locationFix.VerticalAccuracy, GEOLOCATION_PRECISION);
if (_client.Platform == Platform.Ios)
{
sig.ActivityStatus = new Signature.Types.ActivityStatus()
{
Stationary = true
};
sig.ActivityStatus.Tilting |= TRandomDevice.NextDouble() > 0.50;
if (TRandomDevice.NextDouble() > 0.95)
{
// No reading for roughly 1 in 20 updates
locationFix.Course = -1;
locationFix.Speed = -1;
}
else
{
// Course is iOS only.
locationFix.Course = GetCourse();
// Speed is iOS only.
locationFix.Speed = (float)TRandomDevice.Triangular(0.2, 4.25, 1);
}
}
sig.LocationFix.Add(locationFix);
string envelopString = JsonConvert.SerializeObject(requestEnvelope);
var hashRequest = new HashRequestContent()
{
Latitude64 = BitConverter.DoubleToInt64Bits(currentLocation.Latitude),
Longitude64 = BitConverter.DoubleToInt64Bits(currentLocation.Longitude),
Accuracy64 = BitConverter.DoubleToInt64Bits(requestEnvelope.Accuracy),
AuthTicket = ticketBytes,
SessionData = _sessionHash.ToByteArray(),
Requests = new List <byte[]>(),
Timestamp = sig.Timestamp
};
foreach (var request in requestEnvelope.Requests)
{
hashRequest.Requests.Add(request.ToByteArray());
}
var res = await _client.Hasher.RequestHashesAsync(hashRequest).ConfigureAwait(false);
foreach (var item in res.RequestHashes)
{
sig.RequestHash.Add(((ulong)item));
}
sig.LocationHash1 = (int)res.LocationAuthHash;
sig.LocationHash2 = (int)res.LocationHash;
var encryptedSignature = new RequestEnvelope.Types.PlatformRequest
{
Type = PlatformRequestType.SendEncryptedSignature,
RequestMessage = new SendEncryptedSignatureRequest
{
EncryptedSignature = ByteString.CopyFrom(_client.Cryptor.Encrypt(sig.ToByteArray(), (uint)_client.StartTime))
}.ToByteString()
};
return(encryptedSignature);
}
