/// <summary>
/// Generates a new <see cref="RawSignedModel"/> in order to apply for a card registration.
/// </summary>
/// <param name="cardParams">The instance of <see cref="CardParams"/> class.
/// It should has mandatory parameters: identity, public key, private key</param>
/// <returns>A new self signed instance of <see cref="RawSignedModel"/> class.</returns>
public RawSignedModel GenerateRawCard(CardParams cardParams)
{
ValidateCardParams(cardParams, true);
var timeNow = DateTime.UtcNow;
//to truncate milliseconds and microseconds
timeNow = timeNow.AddTicks(-timeNow.Ticks % TimeSpan.TicksPerSecond);
var model = RawSignedModelUtils.Generate(CardCrypto, cardParams, timeNow);
ModelSigner.SelfSign(model, cardParams.PrivateKey, cardParams.ExtraFields);
return(model);
}
/// <summary>
/// Publish a new Card using specified <see cref="CardParams"/>.
/// </summary>
/// <param name="cardParams">The instance of <see cref="CardParams"/> class.
/// It should has mandatory parameters: public key, private key</param>
/// <returns>The instance of newly published <see cref="Card"/> class.</returns>
public async Task <Card> PublishCardAsync(CardParams cardParams)
{
ValidateCardParams(cardParams);
var tokenContext = new TokenContext(cardParams.Identity, "publish");
var token = await this.AccessTokenProvider.GetTokenAsync(tokenContext);
var rawSignedModel = GenerateRawCard(new CardParams()
{
Identity = token.Identity(),
PrivateKey = cardParams.PrivateKey,
PublicKey = cardParams.PublicKey,
PreviousCardId = cardParams.PreviousCardId,
ExtraFields = cardParams.ExtraFields
});
return(await PublishRawSignedModel(rawSignedModel, tokenContext, token));
}
private static void ValidateCardParams(CardParams cardParams, bool validateIdentity = false)
{
if (cardParams == null)
{
throw new ArgumentNullException(nameof(cardParams));
}
if (validateIdentity && String.IsNullOrWhiteSpace(cardParams.Identity))
{
throw new ArgumentException($"{nameof(cardParams.Identity)} property is mandatory");
}
if (cardParams.PublicKey == null)
{
throw new ArgumentException($"{nameof(cardParams.PublicKey)} property is mandatory");
}
if (cardParams.PrivateKey == null)
{
throw new ArgumentException($"{nameof(cardParams.PrivateKey)} property is mandatory");
}
}