public async Task TestVerifyRfc8463ExampleAsync()
{
var message = MimeMessage.Load(Path.Combine(TestHelper.ProjectDir, "TestData", "dkim", "rfc8463-example.msg"));
var locator = new DkimPublicKeyLocator();
var verifier = new DkimVerifier(locator);
int index;
locator.Add("brisbane._domainkey.football.example.com", "v=DKIM1; k=ed25519; p=11qYAYKxCrfVS/7TyWQHOg7hcvPapiMlrwIaaPcHURo=");
locator.Add("test._domainkey.football.example.com", "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDkHlOQoBTzWRiGs5V6NpP3idY6Wk08a5qhdR6wy5bdOKb2jLQiY/J16JYi0Qvx/byYzCNb3W91y3FutACDfzwQ/BC/e/8uBsCR+yz1Lxj+PL6lHvqMKrM3rG4hstT5QjvHO9PzoxZyVYLzBfO2EeC3Ip3G+2kryOTIKT+l/K4w3QIDAQAB");
// the last DKIM-Signature uses rsa-sha256
index = message.Headers.LastIndexOf(HeaderId.DkimSignature);
Assert.IsTrue(await verifier.VerifyAsync(message, message.Headers[index]), "Failed to verify rsa-sha256");
// the first DKIM-Signature uses ed25519-sha256
index = message.Headers.IndexOf(HeaderId.DkimSignature);
Assert.IsTrue(await verifier.VerifyAsync(message, message.Headers[index]), "Failed to verify ed25519-sha256");
}
public async Task TestVerifyGoogleMultipartWithoutEndBoundaryDkimSignatureAsync()
{
var message = MimeMessage.Load(Path.Combine(TestHelper.ProjectDir, "TestData", "dkim", "multipart-no-end-boundary.msg"));
int index = message.Headers.IndexOf(HeaderId.DkimSignature);
var locator = new DummyPublicKeyLocator(GMailDkimPublicKey);
var verifier = new DkimVerifier(locator);
Assert.IsTrue(await verifier.VerifyAsync(message, message.Headers[index]), "Failed to verify GMail signature.");
}
public async Task TestVerifyGoogleMultipartRelatedDkimSignatureAsync()
{
var message = MimeMessage.Load(Path.Combine("..", "..", "TestData", "dkim", "related.msg"));
int index = message.Headers.IndexOf(HeaderId.DkimSignature);
var locator = new DummyPublicKeyLocator(GMailDkimPublicKey);
var verifier = new DkimVerifier(locator);
Assert.IsTrue(await verifier.VerifyAsync(message, message.Headers[index]), "Failed to verify GMail signature.");
}
public void TestArgumentExceptions()
{
var locator = new DummyPublicKeyLocator(DkimKeys.Public);
var verifier = new DkimVerifier(locator);
var dkimHeader = new Header(HeaderId.DkimSignature, "value");
var arcHeader = new Header(HeaderId.ArcMessageSignature, "value");
var options = FormatOptions.Default;
var message = new MimeMessage();
DkimSigner signer;
Assert.Throws <ArgumentNullException> (() => new DkimSigner((AsymmetricKeyParameter)null, "domain", "selector"));
Assert.Throws <ArgumentException> (() => new DkimSigner(DkimKeys.Public, "domain", "selector"));
Assert.Throws <ArgumentNullException> (() => new DkimSigner(DkimKeys.Private, null, "selector"));
Assert.Throws <ArgumentNullException> (() => new DkimSigner(DkimKeys.Private, "domain", null));
Assert.Throws <ArgumentNullException> (() => new DkimSigner((string)null, "domain", "selector"));
Assert.Throws <ArgumentNullException> (() => new DkimSigner("fileName", null, "selector"));
Assert.Throws <ArgumentNullException> (() => new DkimSigner("fileName", "domain", null));
Assert.Throws <ArgumentException> (() => new DkimSigner(string.Empty, "domain", "selector"));
Assert.Throws <ArgumentNullException> (() => new DkimSigner((Stream)null, "domain", "selector"));
using (var stream = File.OpenRead(Path.Combine(TestHelper.ProjectDir, "TestData", "dkim", "example.pem"))) {
Assert.Throws <ArgumentNullException> (() => new DkimSigner(stream, null, "selector"));
Assert.Throws <ArgumentNullException> (() => new DkimSigner(stream, "domain", null));
signer = new DkimSigner(stream, "example.com", "1433868189.example")
{
SignatureAlgorithm = DkimSignatureAlgorithm.RsaSha1,
AgentOrUserIdentifier = "@eng.example.com",
QueryMethod = "dns/txt",
};
}
Assert.Throws <ArgumentNullException> (() => signer.Sign(null, new HeaderId[] { HeaderId.From }));
Assert.Throws <ArgumentNullException> (() => signer.Sign(message, (IList <HeaderId>)null));
Assert.Throws <ArgumentException> (() => signer.Sign(message, new HeaderId[] { HeaderId.Unknown, HeaderId.From }));
Assert.Throws <ArgumentException> (() => signer.Sign(message, new HeaderId[] { HeaderId.Received, HeaderId.From }));
Assert.Throws <ArgumentException> (() => signer.Sign(message, new HeaderId[] { HeaderId.ContentType }));
Assert.Throws <ArgumentNullException> (() => signer.Sign(null, new string[] { "From" }));
Assert.Throws <ArgumentNullException> (() => signer.Sign(message, (IList <string>)null));
Assert.Throws <ArgumentException> (() => signer.Sign(message, new string[] { "", "From" }));
Assert.Throws <ArgumentException> (() => signer.Sign(message, new string[] { null, "From" }));
Assert.Throws <ArgumentException> (() => signer.Sign(message, new string[] { "Received", "From" }));
Assert.Throws <ArgumentException> (() => signer.Sign(message, new string[] { "Content-Type" }));
Assert.Throws <ArgumentNullException> (() => signer.Sign(null, message, new HeaderId[] { HeaderId.From }));
Assert.Throws <ArgumentNullException> (() => signer.Sign(options, null, new HeaderId[] { HeaderId.From }));
Assert.Throws <ArgumentException> (() => signer.Sign(options, message, new HeaderId[] { HeaderId.From, HeaderId.Unknown }));
Assert.Throws <ArgumentNullException> (() => signer.Sign(options, message, (IList <HeaderId>)null));
Assert.Throws <ArgumentNullException> (() => signer.Sign(null, message, new string[] { "From" }));
Assert.Throws <ArgumentNullException> (() => signer.Sign(options, null, new string[] { "From" }));
Assert.Throws <ArgumentException> (() => signer.Sign(options, message, new string[] { "From", null }));
Assert.Throws <ArgumentNullException> (() => signer.Sign(options, message, (IList <string>)null));
Assert.Throws <ArgumentNullException> (() => new DkimVerifier(null));
Assert.Throws <ArgumentNullException> (() => verifier.Verify(null, dkimHeader));
Assert.Throws <ArgumentNullException> (() => verifier.Verify(message, null));
Assert.Throws <ArgumentNullException> (() => verifier.Verify(null, message, dkimHeader));
Assert.Throws <ArgumentNullException> (() => verifier.Verify(FormatOptions.Default, null, dkimHeader));
Assert.Throws <ArgumentNullException> (() => verifier.Verify(FormatOptions.Default, message, null));
Assert.Throws <ArgumentException> (() => verifier.Verify(FormatOptions.Default, message, arcHeader));
Assert.ThrowsAsync <ArgumentNullException> (async() => await verifier.VerifyAsync(null, dkimHeader));
Assert.ThrowsAsync <ArgumentNullException> (async() => await verifier.VerifyAsync(message, null));
Assert.ThrowsAsync <ArgumentNullException> (async() => await verifier.VerifyAsync(null, message, dkimHeader));
Assert.ThrowsAsync <ArgumentNullException> (async() => await verifier.VerifyAsync(FormatOptions.Default, null, dkimHeader));
Assert.ThrowsAsync <ArgumentNullException> (async() => await verifier.VerifyAsync(FormatOptions.Default, message, null));
Assert.ThrowsAsync <ArgumentException> (async() => await verifier.VerifyAsync(FormatOptions.Default, message, arcHeader));
Assert.Throws <ArgumentNullException> (() => message.Sign(null, new HeaderId[] { HeaderId.From }));
Assert.Throws <ArgumentNullException> (() => message.Sign(signer, (IList <HeaderId>)null));
Assert.Throws <ArgumentException> (() => message.Sign(signer, new HeaderId[] { HeaderId.Unknown, HeaderId.From }));
Assert.Throws <ArgumentException> (() => message.Sign(signer, new HeaderId[] { HeaderId.Received, HeaderId.From }));
Assert.Throws <ArgumentException> (() => message.Sign(signer, new HeaderId[] { HeaderId.ContentType }));
Assert.Throws <ArgumentNullException> (() => message.Sign(null, new string[] { "From" }));
Assert.Throws <ArgumentNullException> (() => message.Sign(signer, (IList <string>)null));
Assert.Throws <ArgumentException> (() => message.Sign(signer, new string[] { "", "From" }));
Assert.Throws <ArgumentException> (() => message.Sign(signer, new string[] { null, "From" }));
Assert.Throws <ArgumentException> (() => message.Sign(signer, new string[] { "Received", "From" }));
Assert.Throws <ArgumentException> (() => message.Sign(signer, new string[] { "Content-Type" }));
Assert.Throws <ArgumentNullException> (() => message.Sign(null, signer, new HeaderId[] { HeaderId.From }));
Assert.Throws <ArgumentNullException> (() => message.Sign(options, null, new HeaderId[] { HeaderId.From }));
Assert.Throws <ArgumentException> (() => message.Sign(options, signer, new HeaderId[] { HeaderId.From, HeaderId.Unknown }));
Assert.Throws <ArgumentNullException> (() => message.Sign(options, signer, (IList <HeaderId>)null));
Assert.Throws <ArgumentNullException> (() => message.Sign(null, signer, new string[] { "From" }));
Assert.Throws <ArgumentNullException> (() => message.Sign(options, null, new string[] { "From" }));
Assert.Throws <ArgumentException> (() => message.Sign(options, signer, new string[] { "From", null }));
Assert.Throws <ArgumentNullException> (() => message.Sign(options, signer, (IList <string>)null));
Assert.Throws <ArgumentNullException> (() => message.Verify(null, locator));
Assert.Throws <ArgumentNullException> (() => message.Verify(dkimHeader, null));
Assert.Throws <ArgumentNullException> (() => message.Verify(null, dkimHeader, locator));
Assert.Throws <ArgumentNullException> (() => message.Verify(FormatOptions.Default, null, locator));
Assert.Throws <ArgumentNullException> (() => message.Verify(FormatOptions.Default, dkimHeader, null));
Assert.Throws <ArgumentException> (() => message.Verify(FormatOptions.Default, arcHeader, locator));
Assert.ThrowsAsync <ArgumentNullException> (async() => await message.VerifyAsync(null, locator));
Assert.ThrowsAsync <ArgumentNullException> (async() => await message.VerifyAsync(dkimHeader, null));
Assert.ThrowsAsync <ArgumentNullException> (async() => await message.VerifyAsync(null, dkimHeader, locator));
Assert.ThrowsAsync <ArgumentNullException> (async() => await message.VerifyAsync(FormatOptions.Default, null, locator));
Assert.ThrowsAsync <ArgumentNullException> (async() => await message.VerifyAsync(FormatOptions.Default, dkimHeader, null));
Assert.ThrowsAsync <ArgumentException> (async() => await message.VerifyAsync(FormatOptions.Default, arcHeader, locator));
}
