/// <summary>
/// Prepares a message for sending based on the rules of this channel binding element.
/// </summary>
/// <param name="message">The message to prepare for sending.</param>
/// <returns>
/// True if the <paramref name="message"/> applied to this binding element
/// and the operation was successful. False otherwise.
/// </returns>
/// <remarks>
/// Implementations that provide message protection must honor the
/// <see cref="MessagePartAttribute.RequiredProtection"/> properties where applicable.
/// </remarks>
public bool PrepareMessageForSending(IProtocolMessage message)
{
// We only add a nonce to 1.x auth requests.
SignedResponseRequest request = message as SignedResponseRequest;
if (request != null && request.Version.Major < 2)
{
request.AddReturnToArguments(NonceParameter, CustomNonce.NewNonce().Serialize());
return(true);
}
return(false);
}
/// <summary>
/// Prepares a message for sending based on the rules of this channel binding element.
/// </summary>
/// <param name="message">The message to prepare for sending.</param>
/// <returns>
/// The protections (if any) that this binding element applied to the message.
/// Null if this binding element did not even apply to this binding element.
/// </returns>
/// <remarks>
/// Implementations that provide message protection must honor the
/// <see cref="MessagePartAttribute.RequiredProtection"/> properties where applicable.
/// </remarks>
public MessageProtections?ProcessOutgoingMessage(IProtocolMessage message)
{
// We only add a nonce to some auth requests.
SignedResponseRequest request = message as SignedResponseRequest;
if (this.UseRequestNonce(request))
{
request.AddReturnToArguments(NonceParameter, CustomNonce.NewNonce().Serialize());
request.SignReturnTo = true; // a nonce without a signature is completely pointless
return(MessageProtections.ReplayProtection);
}
return(null);
}
/// <summary>
/// Prepares a message for sending based on the rules of this channel binding element.
/// </summary>
/// <param name="message">The message to prepare for sending.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>
/// The protections (if any) that this binding element applied to the message.
/// Null if this binding element did not even apply to this binding element.
/// </returns>
/// <remarks>
/// Implementations that provide message protection must honor the
/// <see cref="MessagePartAttribute.RequiredProtection"/> properties where applicable.
/// </remarks>
public Task <MessageProtections?> ProcessOutgoingMessageAsync(IProtocolMessage message, CancellationToken cancellationToken)
{
// We only add a nonce to some auth requests.
SignedResponseRequest request = message as SignedResponseRequest;
if (this.UseRequestNonce(request))
{
request.AddReturnToArguments(Protocol.ReturnToNonceParameter, CustomNonce.NewNonce().Serialize());
request.SignReturnTo = true; // a nonce without a signature is completely pointless
return(ReplayProtectionTask);
}
return(NullTask);
}