public void TestArgumentExceptions ()
{
var credentials = new NetworkCredential ("username", "password");
var uri = new Uri ("smtp://localhost");
SaslMechanism sasl;
Assert.Throws<ArgumentNullException> (() => new SaslException (null, SaslErrorCode.MissingChallenge, "message"));
sasl = new SaslMechanismCramMd5 (uri, credentials);
Assert.Throws<ArgumentNullException> (() => new SaslMechanismCramMd5 (null, credentials));
Assert.Throws<ArgumentNullException> (() => new SaslMechanismCramMd5 (uri, null));
Assert.Throws<NotSupportedException> (() => sasl.Challenge (null));
sasl = new SaslMechanismDigestMd5 (uri, credentials);
Assert.Throws<ArgumentNullException> (() => new SaslMechanismDigestMd5 (null, credentials));
Assert.Throws<ArgumentNullException> (() => new SaslMechanismDigestMd5 (uri, null));
Assert.Throws<NotSupportedException> (() => sasl.Challenge (null));
sasl = new SaslMechanismLogin (uri, credentials);
Assert.Throws<ArgumentNullException> (() => new SaslMechanismLogin (uri, null, credentials));
Assert.Throws<ArgumentNullException> (() => new SaslMechanismLogin (null, credentials));
Assert.Throws<ArgumentNullException> (() => new SaslMechanismLogin (uri, null));
Assert.Throws<NotSupportedException> (() => sasl.Challenge (null));
sasl = new SaslMechanismNtlm (uri, credentials);
Assert.Throws<ArgumentNullException> (() => new SaslMechanismNtlm (null, credentials));
Assert.Throws<ArgumentNullException> (() => new SaslMechanismNtlm (uri, null));
Assert.DoesNotThrow (() => sasl.Challenge (null));
sasl = new SaslMechanismOAuth2 (uri, credentials);
Assert.Throws<ArgumentNullException> (() => new SaslMechanismOAuth2 (null, credentials));
Assert.Throws<ArgumentNullException> (() => new SaslMechanismOAuth2 (uri, null));
Assert.DoesNotThrow (() => sasl.Challenge (null));
sasl = new SaslMechanismPlain (uri, credentials);
Assert.Throws<ArgumentNullException> (() => new SaslMechanismPlain (uri, null, credentials));
Assert.Throws<ArgumentNullException> (() => new SaslMechanismPlain (null, credentials));
Assert.Throws<ArgumentNullException> (() => new SaslMechanismPlain (uri, null));
Assert.DoesNotThrow (() => sasl.Challenge (null));
sasl = new SaslMechanismScramSha1 (uri, credentials);
Assert.Throws<ArgumentNullException> (() => new SaslMechanismScramSha1 (null, credentials));
Assert.Throws<ArgumentNullException> (() => new SaslMechanismScramSha1 (uri, null));
Assert.DoesNotThrow (() => sasl.Challenge (null));
sasl = new SaslMechanismScramSha256 (uri, credentials);
Assert.Throws<ArgumentNullException> (() => new SaslMechanismScramSha256 (null, credentials));
Assert.Throws<ArgumentNullException> (() => new SaslMechanismScramSha256 (uri, null));
Assert.DoesNotThrow (() => sasl.Challenge (null));
}
public void TestCramMd5ExampleFromRfc2195 ()
{
const string serverToken = "<*****@*****.**>";
const string expected = "joe 3dbc88f0624776a737b39093f6eb6427";
var credentials = new NetworkCredential ("joe", "tanstaaftanstaaf");
var uri = new Uri ("imap://imap.gmail.com");
var sasl = new SaslMechanismCramMd5 (uri, credentials);
var token = Encoding.ASCII.GetBytes (serverToken);
var challenge = sasl.Challenge (Convert.ToBase64String (token));
var decoded = Convert.FromBase64String (challenge);
var result = Encoding.ASCII.GetString (decoded);
Assert.AreEqual (expected, result, "CRAM-MD5 challenge response does not match the expected string.");
Assert.IsTrue (sasl.IsAuthenticated, "CRAM-MD5 should be authenticated.");
}