public async Task <ActionResult> CreateCalibrationRequestAsync(string accesstoken, string b64contents)
{
byte[] decoded = null;
double?footerCRCS = null;
if (!await this.checkUploadPermissions(accesstoken))
{
return(this.Error("CreateCalibrationRequestAsync"));
}
//testing only
//b64contents = Convert.ToBase64String(LibreUtils.TestPatchAlwaysReturning63);
//2018-10-07 patch
//b64contents = "hNtgFwMAAAAAAAAAAAAAAAAAAAAAAAAA+SIECI4EyPRXAKIEyOxXALUEyORXAMgEyNxXADEEyJBYADEEyIBYADEEyGxYADIEyFxYADUEyFBYADoEyEBYAEEEyDRYAEgEyChYAFIEyCBYAF4EyBRYAG4EyAxYAH4EyABYANwEyIhZAEUEyHRZAJoDyExZAEwDyFBZAEsDyMRZAKUDyOwZgLADyAhaADMEyFxYACgFyKRZAC0FyExaAN0EyCQbgKMEyLxZAAQEyPgagK4DyChaAKwDyMRZAAkEyAhZACAEyGRZAOsDyGBZACQEyJhZAPQDyPwagP0DyPBZABMEyLwbgBoEyDgbgK8DyPBbAIkDiOYbgP4DiHJdgL0EyNwbgCIGyNQagLIHyDwagFYHyORZAGoGyMBZACoFyKhZACUGAACWLgABYwddURQHloBaAO2mEHoayATReG4=";
//2018-08-14 patch
//b64contents = "p/g4FQMAAAAAAAAAAAAAAAAAAAAAAAAA+4MAAH4DyHRXAn4DyIiXAoMDyJyXAosDyKSXApADyKRXApEDyKyXApkDyLCXAp8DyLiXAqMDyMCXArADyMRXAqwDyMxXAq0DyNSXArEDyLhXAs4DyJyXAtQDyLyXAtsDyMyXAhwEyIzVAvkDyHCWAvADyFAVAwsEyKhWAngDyARXAl0DyBiYAjEDyCyYAh8DyPCWAgwDyHiWAuYCyJiWAuUCyGiWAicDyEjVAisDyFjVAhgDyDjVAhMDyNQUA/QCyHQUA/ACyBjVAtACyCDVAgsDyBQVA8sCyPCWAh8DyKTZATwDyGzaAXEDyCTaAZADyBTaAZ0DyPRXAs4DyNhWAlEDyByXAjwDyFzVAlADyNSVAnADyPhWAkUDyMCWAn4DyHBXAtEwAADISAABBgcYURQHloBaAO2mAG4ayASz2GI=";
try
{
//database expects a base64, which we already have
// this is just to verify that the contents is valid as base64
decoded = Convert.FromBase64String(b64contents);
}
catch (Exception)
{
return(this.Error("CreateCalibrationRequestAsync Denied: invalid parameter b64contents: (not a b64string)"));
}
if (decoded == null || decoded.Count() != LibreUtils.TestPatchAlwaysReturning63.Count())
{
return(this.Error("CreateCalibrationRequestAsync Denied: Invalid length"));
}
if (!LibreUtils.verify(decoded))
{
return(this.Error("CreateCalibrationRequestAsync Denied: Invalid checksums"));
}
try
{
footerCRCS = LibreUtils.CalculateFooterCRCs(decoded);
}
catch
{
return(this.Error("CreateCalibrationRequestAsync Denied: could not extract footer crcs "));
}
//modify sensorstatusbyte to a "ready" state
decoded[4] = 0x03;
var uuids = new List <String>();
uuids.Add("b1-cal-" + Guid.NewGuid());
uuids.Add("b2-cal-" + Guid.NewGuid());
uuids.Add("f1-cal-" + Guid.NewGuid());
uuids.Add("f2-cal-" + Guid.NewGuid());
try
{
//these calls must not changebody crcs in any way
var b1 = Convert.ToBase64String(LibreUtils.CreateFakePatch(patch: decoded, raw_glucose: DefaultAlgorithmThresholds.GLUCOSE_LOWER_BOUND, raw_temp: DefaultAlgorithmThresholds.RAW_TEMP1));
var b2 = Convert.ToBase64String(LibreUtils.CreateFakePatch(patch: decoded, raw_glucose: DefaultAlgorithmThresholds.GLUCOSE_UPPER_BOUND, raw_temp: DefaultAlgorithmThresholds.RAW_TEMP1));
var f1 = Convert.ToBase64String(LibreUtils.CreateFakePatch(patch: decoded, raw_glucose: DefaultAlgorithmThresholds.GLUCOSE_LOWER_BOUND, raw_temp: DefaultAlgorithmThresholds.RAW_TEMP2));
var f2 = Convert.ToBase64String(LibreUtils.CreateFakePatch(patch: decoded, raw_glucose: DefaultAlgorithmThresholds.GLUCOSE_UPPER_BOUND, raw_temp: DefaultAlgorithmThresholds.RAW_TEMP2));
await MongoConnection.AsyncInsertReading(new LibreReadingModel { CreatedOn = DateTime.Now, ModifiedOn = DateTime.Now, status = "pending", b64contents = b1, uuid = uuids[0], oldState = null, currentUtcOffset = null, sensorStartTimestamp = null, sensorScanTimestamp = null, newState = null });
await MongoConnection.AsyncInsertReading(new LibreReadingModel { CreatedOn = DateTime.Now, ModifiedOn = DateTime.Now, status = "pending", b64contents = b2, uuid = uuids[1], oldState = null, currentUtcOffset = null, sensorStartTimestamp = null, sensorScanTimestamp = null, newState = null });
await MongoConnection.AsyncInsertReading(new LibreReadingModel { CreatedOn = DateTime.Now, ModifiedOn = DateTime.Now, status = "pending", b64contents = f1, uuid = uuids[2], oldState = null, currentUtcOffset = null, sensorStartTimestamp = null, sensorScanTimestamp = null, newState = null });
await MongoConnection.AsyncInsertReading(new LibreReadingModel { CreatedOn = DateTime.Now, ModifiedOn = DateTime.Now, status = "pending", b64contents = f2, uuid = uuids[3], oldState = null, currentUtcOffset = null, sensorStartTimestamp = null, sensorScanTimestamp = null, newState = null });
}
catch (System.TimeoutException)
{
return(this.Error("CreateCalibrationRequestAsync Failed: Timeout inserting patches to database"));
}
catch (Exception) {
return(this.Error("CreateCalibrationRequestAsync Failed: Unknown reason"));
}
LibreCalibrationModel cal;
try
{
var metadata = new AlgorithmMetadata {
GLUCOSE_LOWER_BOUND = DefaultAlgorithmThresholds.GLUCOSE_LOWER_BOUND,
GLUCOSE_UPPER_BOUND = DefaultAlgorithmThresholds.GLUCOSE_UPPER_BOUND,
RAW_TEMP1 = DefaultAlgorithmThresholds.RAW_TEMP1,
RAW_TEMP2 = DefaultAlgorithmThresholds.RAW_TEMP2
};
cal = new LibreCalibrationModel
{
CreatedOn = DateTime.Now,
ModifiedOn = DateTime.Now,
uuid = "calibrationmetadata-" + Guid.NewGuid(),
metadata = metadata,
requestids = uuids,
isValidForFooterWithReverseCRCs = LibreUtils.CalculateFooterCRCs(decoded)
};
await MongoConnection.AsyncInsertCalibrationReading(cal);
}
catch (System.TimeoutException)
{
return(this.Error("CreateCalibrationRequestAsync Failed: Timeout inserting metadata to database"));
}
catch (Exception)
{
return(this.Error("CreateCalibrationRequestAsync Failed: Unknown reason"));
}
return(Success <LibreCalibrationModel>(cal, "CreateCalibrationRequestAsync"));
}