private static void WriteHeaderToFile(FileStream file, string header, string content)
{
byte[] bytes = CTSGlobals.AsciiEncoding.GetBytes(MessageSnapshotWriter.Rfc2047Encode(header + ": " + content));
file.Write(bytes, 0, bytes.Length);
file.WriteByte(13);
file.WriteByte(10);
}
private static void WriteInjectedHeadersToFile(FileStream file, string id, string topic, string agent, string sender, IEnumerable <string> receivers, string messageState)
{
MessageSnapshotWriter.WriteBeginningHeadersToFile(file, id, topic, agent, messageState);
if (sender != null)
{
MessageSnapshotWriter.WriteSenderHeaderToFile(file, sender);
}
if (receivers != null)
{
foreach (string address in receivers)
{
MessageSnapshotWriter.WriteReceiverHeaderToFile(file, address);
}
}
MessageSnapshotWriter.WriteEndHeadersToFile(file);
}
private void WriteMessageToFile(FileStream file, string id, string topic, string agent, MailItem mailItem)
{
if (mailItem.HasBeenDeferred || mailItem.HasBeenDeleted)
{
MessageSnapshotWriter.WriteInjectedHeadersToFile(file, id, topic, agent, null, null, mailItem.HasBeenDeferred ? "Deferred" : "Deleted");
return;
}
string[] array = new string[mailItem.Recipients.Count];
int num = 0;
foreach (EnvelopeRecipient envelopeRecipient in mailItem.Recipients)
{
array[num++] = envelopeRecipient.Address.ToString();
}
MessageSnapshotWriter.WriteInjectedHeadersToFile(file, id, topic, agent, mailItem.FromAddress.ToString(), array);
mailItem.MimeDocument.RootPart.WriteTo(file);
}
private static void WriteBeginningHeadersToFile(FileStream file, string id, string topic, string agent, string messageState)
{
StringBuilder stringBuilder = new StringBuilder(512);
stringBuilder.Append("X-CreatedBy: MessageSnapshot-Begin injected headers\r\n");
stringBuilder.Append("X-MessageSnapshot-UTC-Time: ");
stringBuilder.Append(DateTime.UtcNow.ToString("yyyy-MM-ddTHH:mm:ss.fffZ", CultureInfo.InvariantCulture));
stringBuilder.Append("\r\n");
if (topic == "OnSubmittedMessage" || topic == "OnRoutedMessage" || topic == "OnResolvedMessage" || topic == "OnCategorizedMessage")
{
stringBuilder.Append("X-MessageSnapshot-Record-Id: ");
}
else
{
stringBuilder.Append("X-MessageSnapshot-Protocol-Id: ");
}
stringBuilder.Append(id);
stringBuilder.Append("\r\n");
if (agent == null)
{
stringBuilder.Append("X-MessageSnapshot-Source: Original\r\n");
}
else
{
string format = (agent.Length == 0) ? "X-MessageSnapshot-Source: {0}" : "X-MessageSnapshot-Source: {0},{1}";
string value = string.Format(CultureInfo.InvariantCulture, format, new object[]
{
topic,
agent
});
stringBuilder.Append(MessageSnapshotWriter.Rfc2047Encode(value));
stringBuilder.Append("\r\n");
}
if (!string.IsNullOrEmpty(messageState))
{
stringBuilder.AppendFormat("X-MessageSnapshot-MessageStatus: {0}\r\n", messageState);
}
byte[] bytes = CTSGlobals.AsciiEncoding.GetBytes(stringBuilder.ToString());
file.Write(bytes, 0, bytes.Length);
}
public override void WriteOriginalData(int agentId, string id, string topic, string address, MailItem mailItem)
{
if (this.state.IsOriginalWritten || (this.state.OriginalWriterAgentId != null && agentId != this.state.OriginalWriterAgentId))
{
return;
}
FileMode fileMode = FileMode.Append;
if (this.state.OriginalWriterAgentId == null)
{
this.state.OriginalWriterAgentId = new int?(agentId);
fileMode = FileMode.Create;
}
string pipelineTracingPath = mailItem.PipelineTracingPath;
if (string.IsNullOrEmpty(pipelineTracingPath))
{
return;
}
string snapshotFolder = this.GetSnapshotFolder(pipelineTracingPath);
string originalSnapshotFileName = this.GetOriginalSnapshotFileName(snapshotFolder);
try
{
this.EnsureSnapshotFolderCreated(snapshotFolder);
using (FileStream fileStream = new FileStream(originalSnapshotFileName, fileMode, FileAccess.Write, FileShare.None))
{
if (topic == "OnRcptCommand")
{
if (fileMode == FileMode.Create)
{
MessageSnapshotWriter.WriteBeginningHeadersToFile(fileStream, id, topic, null);
MessageSnapshotWriter.WriteSenderHeaderToFile(fileStream, mailItem.FromAddress.ToString());
}
MessageSnapshotWriter.WriteReceiverHeaderToFile(fileStream, address);
}
else if (topic == "OnEndOfHeaders")
{
MessageSnapshotWriter.WriteEndHeadersToFile(fileStream);
this.WriteMessageHeadersToFile(fileStream, mailItem);
}
else if (topic == "OnEndOfData")
{
this.AppendBodyToFile(fileStream, mailItem);
this.state.IsOriginalWritten = true;
}
else if (topic == "OnSubmittedMessage")
{
this.WriteMessageToFile(fileStream, id, topic, null, mailItem);
this.state.IsOriginalWritten = true;
}
}
}
catch (IOException)
{
}
catch (UnauthorizedAccessException)
{
}
catch (SecurityException)
{
}
}
private static void WriteInjectedHeadersToFile(FileStream file, string id, string topic, string agent, string sender, IEnumerable <string> receivers)
{
MessageSnapshotWriter.WriteInjectedHeadersToFile(file, id, topic, agent, sender, receivers, null);
}
private static void WriteReceiverHeaderToFile(FileStream file, string address)
{
MessageSnapshotWriter.WriteHeaderToFile(file, "X-Receiver", address);
}
private static void WriteBeginningHeadersToFile(FileStream file, string id, string topic, string agent)
{
MessageSnapshotWriter.WriteBeginningHeadersToFile(file, id, topic, agent, null);
}
