public void HMACSHA256AuthorisationTest()
{
IAuthorisationTokenService service = new HmacShaAuthorisationTokenService();
AuthorisationToken authorisationToken = service.Generate("new", "guest");
Console.WriteLine("Authorisation token is " + authorisationToken.Token + ".");
Console.WriteLine("Generated UTC ISO 8601 date is " + authorisationToken.Timestamp + ".");
GetSharedSecret sharedSecret = SharedSecret;
string sessionToken;
bool authorised = service.Verify(authorisationToken, sharedSecret, out sessionToken);
Assert.AreEqual(sessionToken, "new");
Assert.IsTrue(authorised);
}
/// <summary>
/// Verify the authentication header.
/// </summary>
/// <param name="headers">HTTP request headers.</param>
/// <param name="initial">Flag to indicate whether this is the initial verification call.</param>
/// <param name="sessionToken">Session token associated with the authentication header.</param>
/// <returns>True if the initial authentication header is valid; false otherwise.</returns>
protected bool VerifyAuthenticationHeader(HttpRequestHeaders headers, bool initial, out string sessionToken)
{
bool verified = false;
string sessionTokenChecked = null;
if (headers != null && headers.Authorization != null)
{
GetSharedSecret sharedSecret;
if (initial)
{
sharedSecret = InitialSharedSecret;
}
else
{
sharedSecret = SharedSecret;
}
try
{
if (AuthenticationMethod.Basic.ToString().Equals(headers.Authorization.Scheme, StringComparison.OrdinalIgnoreCase))
{
AuthorisationToken authorisationToken = new AuthorisationToken {
Token = headers.Authorization.ToString()
};
IAuthorisationTokenService authorisationTokenService = new BasicAuthorisationTokenService();
verified = authorisationTokenService.Verify(authorisationToken, sharedSecret, out sessionTokenChecked);
}
else if (AuthenticationMethod.SIF_HMACSHA256.ToString().Equals(headers.Authorization.Scheme, StringComparison.OrdinalIgnoreCase))
{
string timestamp = HttpUtils.GetTimestamp(headers);
AuthorisationToken authorisationToken = new AuthorisationToken {
Token = headers.Authorization.ToString(), Timestamp = timestamp
};
IAuthorisationTokenService authorisationTokenService = new HmacShaAuthorisationTokenService();
verified = authorisationTokenService.Verify(authorisationToken, sharedSecret, out sessionTokenChecked);
}
}
catch (InvalidSessionException)
{
verified = false;
}
}
sessionToken = sessionTokenChecked;
return(verified);
}
