void Bdat (FormatOptions options, MimeMessage message, CancellationToken cancellationToken, ITransferProgress progress)
{
long size;
using (var measure = new MeasuringStream ()) {
message.WriteTo (options, measure, cancellationToken);
size = measure.Length;
}
var bytes = Encoding.UTF8.GetBytes (string.Format ("BDAT {0} LAST\r\n", size));
Stream.Write (bytes, 0, bytes.Length, cancellationToken);
if (progress != null) {
var ctx = new SendContext (progress, size);
using (var stream = new ProgressStream (Stream, ctx.Update)) {
message.WriteTo (options, stream, cancellationToken);
stream.Flush (cancellationToken);
}
} else {
message.WriteTo (options, Stream, cancellationToken);
Stream.Flush (cancellationToken);
}
var response = Stream.ReadResponse (cancellationToken);
switch (response.StatusCode) {
default:
throw new SmtpCommandException (SmtpErrorCode.MessageNotAccepted, response.StatusCode, response.Response);
case SmtpStatusCode.AuthenticationRequired:
throw new ServiceNotAuthenticatedException (response.Response);
case SmtpStatusCode.Ok:
OnMessageSent (new MessageSentEventArgs (message, response.Response));
break;
}
}
/// <summary>
/// Calculates the most efficient content encoding given the specified constraint.
/// </summary>
/// <remarks>
/// If no <see cref="ContentObject"/> is set, <see cref="ContentEncoding.SevenBit"/> will be returned.
/// </remarks>
/// <returns>The most efficient content encoding.</returns>
/// <param name="constraint">The encoding constraint.</param>
/// <param name="maxLineLength">The maximum allowable length for a line (not counting the CRLF). Must be between <c>72</c> and <c>998</c> (inclusive).</param>
/// <param name="cancellationToken">A cancellation token.</param>
/// <exception cref="System.ArgumentOutOfRangeException">
/// <para><paramref name="maxLineLength"/> is not between <c>72</c> and <c>998</c> (inclusive).</para>
/// <para>-or-</para>
/// <para><paramref name="constraint"/> is not a valid value.</para>
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
public ContentEncoding GetBestEncoding (EncodingConstraint constraint, int maxLineLength, CancellationToken cancellationToken = default (CancellationToken))
{
if (ContentObject == null)
return ContentEncoding.SevenBit;
using (var measure = new MeasuringStream ()) {
using (var filtered = new FilteredStream (measure)) {
var filter = new BestEncodingFilter ();
filtered.Add (filter);
ContentObject.DecodeTo (filtered, cancellationToken);
filtered.Flush ();
return filter.GetBestEncoding (constraint, maxLineLength);
}
}
}
public void TestStreamArguments ()
{
using (var stream = new MeasuringStream ())
AssertStreamArguments (stream);
using (var stream = new MemoryBlockStream ())
AssertStreamArguments (stream);
using (var memory = new MemoryStream ()) {
using (var stream = new FilteredStream (memory))
AssertStreamArguments (stream);
}
using (var memory = new MemoryStream ()) {
using (var stream = new BoundStream (memory, 0, -1, true))
AssertStreamArguments (stream);
}
using (var memory = new MemoryStream ()) {
using (var stream = new ChainedStream ()) {
stream.Add (memory);
AssertStreamArguments (stream);
}
}
}
public void TestBinaryMime ()
{
var message = CreateBinaryMessage ();
string bdat;
using (var memory = new MemoryStream ()) {
var options = FormatOptions.Default.Clone ();
long size;
options.NewLineFormat = NewLineFormat.Dos;
using (var measure = new MeasuringStream ()) {
message.WriteTo (options, measure);
size = measure.Length;
}
var bytes = Encoding.ASCII.GetBytes (string.Format ("BDAT {0} LAST\r\n", size));
memory.Write (bytes, 0, bytes.Length);
message.WriteTo (options, memory);
bytes = memory.GetBuffer ();
bdat = Encoding.UTF8.GetString (bytes, 0, (int) memory.Length);
}
var commands = new List<SmtpReplayCommand> ();
commands.Add (new SmtpReplayCommand ("", "comcast-greeting.txt"));
commands.Add (new SmtpReplayCommand ("EHLO [127.0.0.1]\r\n", "comcast-ehlo.txt"));
commands.Add (new SmtpReplayCommand ("AUTH PLAIN AHVzZXJuYW1lAHBhc3N3b3Jk\r\n", "comcast-auth-plain.txt"));
commands.Add (new SmtpReplayCommand ("EHLO [127.0.0.1]\r\n", "comcast-ehlo+binarymime.txt"));
commands.Add (new SmtpReplayCommand ("MAIL FROM:<*****@*****.**> BODY=BINARYMIME\r\n", "comcast-mail-from.txt"));
commands.Add (new SmtpReplayCommand ("RCPT TO:<*****@*****.**>\r\n", "comcast-rcpt-to.txt"));
commands.Add (new SmtpReplayCommand (bdat, "comcast-data-done.txt"));
commands.Add (new SmtpReplayCommand ("QUIT\r\n", "comcast-quit.txt"));
using (var client = new SmtpClient ()) {
try {
client.ReplayConnect ("localhost", new SmtpReplayStream (commands), CancellationToken.None);
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in Connect: {0}", ex);
}
Assert.IsTrue (client.IsConnected, "Client failed to connect.");
Assert.IsTrue (client.Capabilities.HasFlag (SmtpCapabilities.Authentication), "Failed to detect AUTH extension");
Assert.IsTrue (client.AuthenticationMechanisms.Contains ("LOGIN"), "Failed to detect the LOGIN auth mechanism");
Assert.IsTrue (client.AuthenticationMechanisms.Contains ("PLAIN"), "Failed to detect the PLAIN auth mechanism");
Assert.IsTrue (client.Capabilities.HasFlag (SmtpCapabilities.EightBitMime), "Failed to detect 8BITMIME extension");
Assert.IsTrue (client.Capabilities.HasFlag (SmtpCapabilities.EnhancedStatusCodes), "Failed to detect ENHANCEDSTATUSCODES extension");
Assert.IsTrue (client.Capabilities.HasFlag (SmtpCapabilities.Size), "Failed to detect SIZE extension");
Assert.AreEqual (36700160, client.MaxSize, "Failed to parse SIZE correctly");
Assert.IsTrue (client.Capabilities.HasFlag (SmtpCapabilities.StartTLS), "Failed to detect STARTTLS extension");
Assert.IsTrue (client.Capabilities.HasFlag (SmtpCapabilities.StartTLS), "Failed to detect STARTTLS extension");
try {
var credentials = new NetworkCredential ("username", "password");
client.Authenticate (credentials, CancellationToken.None);
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in Authenticate: {0}", ex);
}
Assert.IsTrue (client.Capabilities.HasFlag (SmtpCapabilities.BinaryMime), "Failed to detect BINARYMIME extension");
Assert.IsTrue (client.Capabilities.HasFlag (SmtpCapabilities.Chunking), "Failed to detect CHUNKING extension");
try {
client.Send (message, CancellationToken.None);
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in Send: {0}", ex);
}
try {
client.Disconnect (true, CancellationToken.None);
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in Disconnect: {0}", ex);
}
Assert.IsFalse (client.IsConnected, "Failed to disconnect");
}
}
unsafe BoundaryType ConstructMimePart(MimePart part, byte* inbuf)
{
BoundaryType found;
Stream content;
if (persistent) {
long begin = GetOffset (inputIndex);
long end;
using (var measured = new MeasuringStream ()) {
found = ScanContent (inbuf, measured, true);
end = begin + measured.Length;
}
content = new BoundStream (stream, begin, end, true);
} else {
content = new MemoryBlockStream ();
found = ScanContent (inbuf, content, true);
content.Seek (0, SeekOrigin.Begin);
}
part.ContentObject = new ContentObject (content, part.ContentTransferEncoding);
return found;
}