public IGetPrescriptionResult getPrescription(String rid)
{
GetPrescriptionForPrescriberResult r = module.getPrescription(rid);
GetPrescriptionResult ret = new GetPrescriptionResult();
ret.creationDate = new DateTime(r.getCreationDate().get(java.util.Calendar.YEAR),
r.getCreationDate().get(java.util.Calendar.MONTH) + 1,
r.getCreationDate().get(java.util.Calendar.DAY_OF_MONTH),
r.getCreationDate().get(java.util.Calendar.HOUR_OF_DAY),
r.getCreationDate().get(java.util.Calendar.MINUTE),
r.getCreationDate().get(java.util.Calendar.SECOND),
r.getCreationDate().get(java.util.Calendar.MILLISECOND)
);
ret.encryptionKeyId = r.getEncryptionKeyId();
ret.patientId = r.getPatientId();
ret.prescription = IOUtils.strConvert(r.getPrescription());
ret.rid = r.getRid();
ret.feedbackAllowed = r.getFeedbackAllowed();
return(ret);
}
public async Task <GetPrescriptionResult> GetPrescription(string rid, SAMLAssertion assertion)
{
var orgCertificate = _keyStoreManager.GetOrgAuthCertificate();
var issueInstant = DateTime.UtcNow;
var recipeETK = await _etkService.GetRecipeETK();
var symKey = new TripleDESCryptoServiceProvider
{
Padding = PaddingMode.None,
Mode = CipherMode.ECB
};
var getPrescriptionParameter = new GetPrescriptionForPrescriberParameter
{
Rid = rid,
SymmKey = Convert.ToBase64String(symKey.Key)
};
var serializedPrescriptionParameter = Encoding.UTF8.GetBytes(getPrescriptionParameter.Serialize().SerializeToString(false, true));
byte[] sealedContent = TripleWrapper.Seal(serializedPrescriptionParameter, orgCertificate, recipeETK.Certificate);
var getPrescriptionRequest = new GetPrescriptionRequest
{
Id = $"id{Guid.NewGuid().ToString()}",
IssueInstant = issueInstant,
ProgramId = _options.ProductName,
SecuredGetPrescriptionRequest = new SecuredContentType
{
SecuredContent = Convert.ToBase64String(sealedContent)
}
};
var soapRequest = SOAPRequestBuilder <GetPrescriptionRequestBody> .New(new GetPrescriptionRequestBody
{
Id = $"id-{Guid.NewGuid().ToString()}",
Request = getPrescriptionRequest
})
.AddTimestamp(issueInstant, issueInstant.AddHours(1))
.AddSAMLAssertion(assertion)
.AddReferenceToSAMLAssertion()
.SignWithCertificate(orgCertificate)
.Build();
var result = await _soapClient.Send(soapRequest, new Uri(_options.PrescriberUrl), "urn:be:fgov:ehealth:recipe:protocol:v4:getPrescription");
var xml = await result.Content.ReadAsStringAsync();
result.EnsureSuccessStatusCode();
var response = SOAPEnvelope <GetPrescriptionResponseBody> .Deserialize(xml);
var securedContent = response.Body.GetPrescriptionResponse.SecuredGetPrescriptionResponse.SecuredContent;
byte[] decrypted;
using (var decryptor = symKey.CreateDecryptor())
{
var payload = Convert.FromBase64String(securedContent);
decrypted = decryptor.TransformFinalBlock(payload, 0, payload.Length);
}
xml = Encoding.UTF8.GetString(decrypted).ClearBadFormat();
var prescriptionResult = GetPrescriptionForPrescriberResult.Deserialize(xml);
var kgssResponse = await _kgssService.GetKeyFromKGSS(prescriptionResult.EncryptionKeyId, assertion);
var unsealed = TripleWrapper.Unseal(Convert.FromBase64String(prescriptionResult.Prescription), Convert.FromBase64String(kgssResponse.NewKey));
var decompressed = Decompress(unsealed);
return(new GetPrescriptionResult
{
Status = prescriptionResult.Status.Code,
CreationDate = prescriptionResult.CreationDate,
FeedbackAllowed = prescriptionResult.FeedbackAllowed,
PatientId = prescriptionResult.PatientId,
ExpirationDate = prescriptionResult.ExpirationDate,
Rid = prescriptionResult.Rid,
KmehrmessageType = Encoding.UTF8.GetString(decompressed).Deserialize <kmehrmessageType>()
});
}
