public AccessToken GetAccessToken(AccessRequest accessRequest)
{
OrganisationKeySerDes organisationKey = ExtractOrganisationKey(accessRequest.Key);
if (organisationKey == null)
{
throw new ApplicationException("Extract Organisation-Key process returned a null key.");
}
CheckKeyIsValid(organisationKey.Name, organisationKey.OKey);
AuthorisationEntity authorisation = GetAuthorisation(accessRequest.AuthenticationCode);
if (authorisation == null)
{
throw new ApplicationException("Could not find Authorisation entry in the database.");
}
AccessEnity access = CreateAccess(authorisation.UserId, accessRequest.Scope,
organisationKey.Name);
PersistAccess(access);
DeleteAuthorisation(authorisation);
AccessToken accessToken = CreateAccessToken(access);
return(accessToken);
}
/*
* Oraganisation-key is the license key provide to the
* client, which a encrypted json string containing the
* username and OKey.
*/
private OrganisationKeySerDes ExtractOrganisationKey(string encryptedKey)
{
string decryptedKey = SymmetricEncryption.Decrypt(encryptedKey);
if (string.IsNullOrEmpty(decryptedKey))
{
throw new ApplicationException("Encrpyted organisation key return an empty value.");
}
OrganisationKeySerDes organisationKey = JsonConvert.DeserializeObject <OrganisationKeySerDes>(decryptedKey);
return(organisationKey);
}