/// <summary>
/// Signs an HTTP request with the MAuth-specific authentication information and sends the request to the
/// inner handler to send to the server as an asynchronous operation.
/// </summary>
/// <param name="request">The HTTP request message to sign and send to the server.</param>
/// <param name="cancellationToken">A cancellation token to cancel operation.</param>
/// <returns>Returns <see cref="Task{HttpResponseMessage}"/>. The task object representing the asynchronous
/// operation.</returns>
protected override async Task <HttpResponseMessage> SendAsync(
HttpRequestMessage request, CancellationToken cancellationToken)
{
if (InnerHandler == null)
{
InnerHandler = new HttpClientHandler();
}
if (options.DisableV1 == false) // default
{
// Add headers for V1 protocol as well
var mAuthCoreV1 = MAuthCoreFactory.Instantiate(MAuthVersion.MWS);
request = await mAuthCoreV1.Sign(request, options).ConfigureAwait(false);
}
// Add headers for V2 protocol
mAuthCore = MAuthCoreFactory.Instantiate(MAuthVersion.MWSV2);
request = await mAuthCore.Sign(request, options).ConfigureAwait(false);
return(await base
.SendAsync(request, cancellationToken)
.ConfigureAwait(continueOnCapturedContext: false));
}
/// <summary>
/// Extracts the authentication information from a <see cref="HttpRequestMessage"/>.
/// </summary>
/// <param name="request">The request that has the authentication information.</param>
/// <param name="mAuthCore">Instantiation of mAuthCore class.</param>
/// <returns>The authentication information with the payload from the request.</returns>
internal static PayloadAuthenticationInfo GetAuthenticationInfo(HttpRequestMessage request, IMAuthCore mAuthCore)
{
var headerKeys = mAuthCore.GetHeaderKeys();
var authHeader = request.Headers.GetFirstValueOrDefault <string>(headerKeys.mAuthHeaderKey);
if (authHeader == null)
{
throw new ArgumentNullException(nameof(authHeader), "The MAuth header is missing from the request.");
}
var signedTime = request.Headers.GetFirstValueOrDefault <long>(headerKeys.mAuthTimeHeaderKey);
if (signedTime == default(long))
{
throw new ArgumentException("Invalid MAuth signed time header value.", nameof(signedTime));
}
var(uuid, payload) = authHeader.ParseAuthenticationHeader();
return(new PayloadAuthenticationInfo
{
ApplicationUuid = uuid,
Payload = Convert.FromBase64String(payload),
SignedTime = signedTime.FromUnixTimeSeconds()
});
}
