private bool IsSharedMailboxSentItemMessage(EmailMessage message, IAgentInfoWriter agentInfo)
{
Header header = message.MimeDocument.RootPart.Headers.FindFirst("X-MS-Exchange-SharedMailbox-SentItem-Message");
if (header == null || string.IsNullOrWhiteSpace(header.Value))
{
this.logger.TraceDebug(new string[]
{
"Could not find the expected message header."
});
return(false);
}
bool flag;
if (!bool.TryParse(header.Value, out flag) || !flag)
{
this.logger.TraceDebug(new string[]
{
"Found the header but the value does not match the expected value. Expected: True, Actual ",
header.Value
});
return(false);
}
string text = "Found the message header with key X-MS-Exchange-SharedMailbox-SentItem-Message value " + header.Value + ". This message will be droped.";
this.logger.TraceDebug(new string[]
{
text
});
agentInfo.AddAgentInfo("MessageFlagCheck", text);
return(true);
}
private MessageItem GetAttachedMessageItem(MessageItem message, IAgentInfoWriter agentInfo)
{
foreach (AttachmentHandle handle in message.AttachmentCollection.GetHandles())
{
using (Attachment attachment = message.AttachmentCollection.Open(handle))
{
ItemAttachment itemAttachment = attachment as ItemAttachment;
if (itemAttachment != null)
{
return(itemAttachment.GetItemAsMessage());
}
string text = "Warning: Message does not contain the expected attachment.";
this.logger.TraceDebug(new string[]
{
text
});
agentInfo.AddAgentInfo("AttachmentCheck", text);
}
}
return(null);
}
internal void ProcessSentItemWrapperMessage(EmailMessage message, string mdbGuid, MessageItem replayItem, IStoreOperations storeOperations, IAgentInfoWriter agentInfo)
{
if (!this.IsSharedMailboxSentItemMessage(message, agentInfo))
{
return;
}
IPerformanceCounters counterInstance = this.perfCountersFactory.GetCounterInstance(mdbGuid);
bool flag = true;
try
{
MessageItem attachedMessageItem = this.GetAttachedMessageItem(replayItem, agentInfo);
if (attachedMessageItem == null)
{
this.logger.TraceDebug(new string[]
{
"SharedMailboxSentItemsAgent.OnPromotedMessageHandler: Message has the correct header tags but does not contain the original email attachment"
});
}
else
{
string text = attachedMessageItem.TryGetProperty(ItemSchema.InternetMessageId) as string;
if (text != null && storeOperations.MessageExistsInSentItems(text))
{
this.logger.TraceDebug(new string[]
{
"SharedMailboxSentItemsAgent.OnPromotedMessageHandler: message already exits in the sent items folder. Don't have to copy."
});
}
else
{
this.logger.TraceDebug(new string[]
{
"SharedMailboxSentItemsAgent.OnPromotedMessageHandler: Get the sent items folder Id."
});
storeOperations.CopyAttachmentToSentItemsFolder(attachedMessageItem);
this.UpdateAverageSentItemCopyTimePerfCounter(attachedMessageItem, counterInstance);
counterInstance.IncrementSentItemsMessages();
}
}
}
catch (StorageTransientException ex)
{
flag = false;
counterInstance.IncrementErrors();
this.logger.TraceDebug(new string[]
{
"SharedMailboxSentItemsAgent.OnPromotedMessageHandler encountered an exception: ",
ex.ToString()
});
this.logger.LogEvent(MailboxTransportEventLogConstants.Tuple_SharedMailboxSentItemsAgentException, ex);
throw new SmtpResponseException(SharedMailboxSentItemsAgent.CopyFailedTransientError);
}
catch (Exception ex2)
{
flag = false;
counterInstance.IncrementErrors();
if (ex2 is OutOfMemoryException || ex2 is StackOverflowException || ex2 is ThreadAbortException)
{
throw;
}
this.logger.TraceDebug(new string[]
{
"SharedMailboxSentItemsAgent.OnPromotedMessageHandler encountered an exception:",
ex2.ToString()
});
this.logger.LogEvent(MailboxTransportEventLogConstants.Tuple_SharedMailboxSentItemsAgentException, ex2);
throw new SmtpResponseException(SharedMailboxSentItemsAgent.CopyFailedPermanentError);
}
finally
{
if (flag)
{
this.logger.TraceDebug(new string[]
{
"SharedMailboxSentItemsAgent.OnPromotedMessageHandler: Copy operation complete. Going to raise success exception to inform delivery service to drop this message."
});
throw new SmtpResponseException(SharedMailboxSentItemsAgent.SharedMailboxSentItemCopySuccess, "SharedMailboxSentItemsAgent");
}
}
}