public void TestSerializedContent ()
{
const string expected = "Reporting-MTA: dns; mm1\nArrival-Date: Mon, 29 Jul 1996 02:12:50 -0700\n\nFinal-Recipient: RFC822; [email protected]\nAction: failed\nDiagnostic-Code: X-LOCAL; 500 (err.nosuchuser)\n\n";
var mds = new MessageDeliveryStatus ();
var recipient = new HeaderList ();
var status = new HeaderList ();
status.Add ("Reporting-MTA", "dns; mm1");
status.Add ("Arrival-Date", DateUtils.FormatDate (new DateTimeOffset (1996, 7, 29, 2, 12, 50, new TimeSpan (-7, 0, 0))));
recipient.Add ("Final-Recipient", "RFC822; [email protected]");
recipient.Add ("Action", "failed");
recipient.Add ("Diagnostic-Code", "X-LOCAL; 500 (err.nosuchuser)");
mds.StatusGroups.Add (status);
mds.StatusGroups.Add (recipient);
Assert.IsTrue (mds.StatusGroups.Contains (status), "Expected the groups to contain the per-message status group.");
Assert.IsTrue (mds.StatusGroups.Contains (recipient), "Expected the groups to contain the recipient status group.");
Assert.IsFalse (mds.StatusGroups.IsReadOnly, "The status groups should not be read-only.");
using (var memory = new MemoryStream ()) {
mds.ContentObject.DecodeTo (memory);
var text = Encoding.ASCII.GetString (memory.GetBuffer (), 0, (int) memory.Length).Replace ("\r\n", "\n");
Assert.AreEqual (expected, text);
}
var dummy = new HeaderList ();
dummy.Add ("Dummy-Header", "dummy value");
mds.StatusGroups.Add (dummy);
Assert.IsTrue (mds.StatusGroups.Contains (dummy), "Expected the groups to contain the dummy group.");
Assert.IsTrue (mds.StatusGroups.Remove (dummy), "Expected removal of the dummy group to be successful.");
var expectedContent = mds.ContentObject;
dummy.Add ("Bogus-Header", "bogus value");
Assert.AreEqual (expectedContent, mds.ContentObject, "The content should not have changed since the dummy group has been removed.");
mds.StatusGroups.Clear ();
using (var memory = new MemoryStream ()) {
mds.ContentObject.DecodeTo (memory);
var text = Encoding.ASCII.GetString (memory.GetBuffer (), 0, (int) memory.Length).Replace ("\r\n", "\n");
Assert.AreEqual (string.Empty, text);
}
}
/// <summary>
/// Visit the message/delivery-status MIME entity.
/// </summary>
/// <remarks>
/// Visits the message/delivery-status MIME entity.
/// </remarks>
/// <param name="entity">The message/delivery-status MIME entity.</param>
protected internal virtual void VisitMessageDeliveryStatus(MessageDeliveryStatus entity)
{
VisitMimePart(entity);
}
/// <summary>
/// Visit the message/delivery-status MIME entity.
/// </summary>
/// <remarks>
/// Visits the message/delivery-status MIME entity.
/// </remarks>
/// <param name="entity">The message/delivery-status MIME entity.</param>
protected internal virtual void VisitMessageDeliveryStatus (MessageDeliveryStatus entity)
{
VisitMimePart (entity);
}
private static BounceDetectResult DetectQmailBounce(MimeMessage message, TextPart textPart)
{
if (textPart.ContentType.MimeType != "text/plain")
return null;
var text = textPart.Text;
if (!text.StartsWith("Hi. This is the "))
return null;
var match = QmailBounceRegex.Match(text);
if (!match.Success)
return null;
var parts = BreakParagraphRegex.Split(text, 2).ToArray();
if (parts.Length != 2)
return null;
var paragraphs = ParagraphRegex.Split(parts[0]);
var recipientParagraphs = paragraphs.Skip(1).ToArray();
var undeliveredMessage = ReadMessage(parts[1]);
var messageDeliveryStatus = new MessageDeliveryStatus();
// add per-message status fields.
messageDeliveryStatus.StatusGroups.Add(
new HeaderList
{
{ "Reporting-MTA", "dns;" + match.Groups[1].Value }
});
// add per-recipient status fields.
var failureParagraphs = recipientParagraphs
.Select(ParseFailureParagraph)
.Where(p => p != null)
.ToArray();
foreach (var failureParagraph in failureParagraphs)
{
messageDeliveryStatus.StatusGroups.Add(
new HeaderList
{
{ "Action", "failed" },
{ "Status", failureParagraph.Status },
{ "Final-Recipient", "rfc822;" + failureParagraph.RecipientAddress },
{ "Diagnostic-Code", "X-QMail;" + LinesRegex.Replace(failureParagraph.Message, " ").Trim() },
});
}
if (failureParagraphs.Length == 0)
{
messageDeliveryStatus.StatusGroups.Add(
new HeaderList
{
{ "Action", "failed" },
{ "Status", "5.3.0" },
{ "Diagnostic-Code", "X-QMail; No failure paragraphs found" },
});
}
return new BounceDetectResult(
message,
new TextPart("plain", parts[0]),
messageDeliveryStatus,
new MessagePart("rfc822", undeliveredMessage));
}