public static AssertionCredential ToAssertion(this Azure.AssertionCredential ac)
{
return(new AssertionCredential()
{
Assertion = ac.Assertion
});
}
private Task <Azure.AssertionCredential> token(string serviceRealm)
{
Trace.TraceInformation("Request Token");
Azure.AssertionCredential assertionCredential = null;
IList <Azure.IdentityProviderDescriptor> idpdList = authenticationContext.GetProviders(serviceRealm);
foreach (Azure.IdentityProviderDescriptor idpd in idpdList)
{
foreach (string emailAddressSuffix in idpd.EmailAddressSuffixes)
{
if (string.Compare(credential.Resource, emailAddressSuffix, StringComparison.OrdinalIgnoreCase) == 0)
{
// Invoke AuthenticationContext.AcquireToken to obtain an AssertionCredential to access the service.
// It will use previously-created KerberosCredential or UsernamePasswordCredential to authenticate with the selected identity provider.
Trace.TraceInformation("Using identity provider: {0}", idpd.Name);
if (credential is Azure.UsernamePasswordCredential)
{
Trace.TraceInformation("Using username-password credentials: {0}", ((Azure.UsernamePasswordCredential)credential).Name);
}
if (credential is Azure.KerberosCredential)
{
Trace.TraceInformation("Using Kerberos credentials: {0}", WindowsIdentity.GetCurrent().Name);
}
assertionCredential = authenticationContext.AcquireToken(serviceRealm, credential);
Trace.TraceInformation("Received token result from: {0}", assertionCredential.Resource);
return(Task.FromResult <Azure.AssertionCredential>(assertionCredential));
}
}
}
throw new InvalidOperationException(string.Format("[{0}] is not a supported domain for any identity providers on the target service realm : {1}", credential.Resource, serviceRealm));
}
public async Task <Azure.AssertionCredential> Token(string serviceRealm)
{
if (null == assertionCredential || assertionCredential.Expired(Skew))
{
assertionCredential = await token(serviceRealm);
}
return(assertionCredential);
}
// public static string Oauth2AuthorizationHeader(this AssertionCredential ac) { return "Bearer"; }
public static bool Expired(this Azure.AssertionCredential ac, TimeSpan skew)
{
DateTime now = DateTime.UtcNow; return(ac.Expires < now.Subtract(skew) || ac.Created > now.Add(skew));
}