private void OnItemSend(IProxy mailItem, ref bool cancelEmailSend, ref ProcessResult processResult)
{
RequestManager requestManager = null;
try
{
InitClientProgress();
PolicyContent.Request request = CreateRequest(mailItem);
List<PolicyContent.Attachment> attachmentsNotProcessed = new List<PolicyContent.Attachment>();
// Remove the msg top level attachments from the request. We need to add them back after processing before updating the Notes proxy.
// We do this because msg files are being lost in processing (ActionExecuter.RecreateAttachments)but since they are not supported
// file types in Notes we can remove them from the attachment collection to be processed and add them back later after the call to
// ProcessRequest. This does not affect msg files in zip containers and those are not lost.
attachmentsNotProcessed.AddRange(ExtractAttachmentsOfTypeEmail(request));
bool bInternal = true;
foreach (PolicyContent.RoutingItem rItem in request.Destination.Items)
{
foreach (PolicyContent.CustomProperty cProperty in rItem.Properties)
{
if ((cProperty.Name.ToLower(CultureInfo.InvariantCulture) == "internal") && (cProperty.Value.ToLower(CultureInfo.InvariantCulture) == "false"))
{
bInternal = false;
break;
}
}
if (!bInternal)
break;
}
requestManager = new RequestManager(request, new NotesUIManager());
requestManager.MailItem = mailItem;
requestManager.IsLotusNotesMailClient = true;
bool bApplyPolicy = true;
if (bInternal)
{
bApplyPolicy = Interop.Options.OptionApi.GetBool("EmailApplyProtectPolicyInternally");
}
else
{
bApplyPolicy = Interop.Options.OptionApi.GetBool("EmailApplyProtectPolicyExternally");
}
if (!bApplyPolicy)
{
cancelEmailSend = false;
}
else
{
bool bDisplayProgress = DisplayProgressOnMailSend(request);
if (OptionApi.GetBool("EnableProtectSimple"))
{
requestManager.ProtectSimpleProfiles = GetWorkshareProfiles(mailItem, request, true, false);
processResult = requestManager.ProcessRequestForProtectSimple(bDisplayProgress, true);
}
else
{
processResult = requestManager.ProcessRequest(m_clientProgress, bDisplayProgress, IsDynamicDiscoveryEnabled(request));
}
switch (processResult)
{
case ProcessResult.CANCELLED:
{
cancelEmailSend = true;
break;
}
case ProcessResult.PROCESSED:
{
// If a zip does not contain any supported documents the IgnoreForWorkshareActions is set (Workshare.PolicyContent.Attachment.IgnoreForWorkshareActions)
// by the encryption manager (ContentEncryptionManager.ZipNeedsProcessing). This was done to improve Protect support for large files.
// If the ZipNeedsProcessing property is set the attachment is removed from the response (Workshare.Policy.Adaptors.RequestAdaptor.GetURO).
// We need to extract ANY attachment that was marked as IgnoreForWorkshareAction from the Request attachments and append them to the ModifiedRequest attachments
// before updating the proxy else these attachments will be removed from the Notes mail item.
attachmentsNotProcessed.AddRange(GetIgnoreForWorkshareActionAttachments(requestManager.Request));
// Add the msg top level attachments or attachments excluded from processing (IgnoreForWorkshareActions) to the processed collection before updating the proxy
Workshare.PolicyContent.Attachment[] processedAttachments = requestManager.EnforceResponse.ModifiedRequest.Attachments;
processedAttachments = AppendMissingAttachments(attachmentsNotProcessed.ToArray(), processedAttachments);
DeleteProxyAttachments(mailItem, processedAttachments);
// Not supported for Lotus Notes
//if (SendLinkBase.ShouldExecuteSendLinkAction(requestManager.Response))
//{
// var notesSendLink = new NotesSendLink();
// cancelEmailSend = !notesSendLink.ExecuteSendLinkAction(mailItem, requestManager);
// UpdateEmailContent(mailItem, requestManager.EnforceResponse.ModifiedRequest);
// break;
//}
UpdateProxyAttachments(mailItem, processedAttachments);
UpdateEmailContent(mailItem, requestManager.EnforceResponse.ModifiedRequest);
cancelEmailSend = false;
break;
}
case ProcessResult.ERRORS:
case ProcessResult.EXCEPTION:
{
cancelEmailSend = !HandleErrors(requestManager.Errors);
break;
}
//case ProcessResult.SERVER_PROFILE:
//case ProcessResult.ERROR_OVERRIDE_USER_SELECTED_SEND:
default:
{
// no violations or actions for this email - continue to send it.
cancelEmailSend = false;
break;
}
}
}
}
catch (Exception ex)
{
cancelEmailSend = !ShouldContinueAfterException(ex);
}
finally
{
m_clientProgress.Complete();
m_clientProgress.Close();
}
}
private void OnItemSend(MailItem mailItem, bool hasLargeAttachments, ref bool cancelEmailSend)
{
MailClientHookBase.PreCacheEventWaitForCompletion();
MailAttachmentTransform msgHandler = null;
Request request = null;
try
{
InitClientProgress();
request = CreateRequest(mailItem);
request.HasLargeAttachments = hasLargeAttachments;
//WriteOutRequest(request);
msgHandler = new MailAttachmentTransform(GetMsgNestingLevelOption(), m_application, DisableAccessToDOMAttachments);
List<Attachment> allAttachments = msgHandler.Flatten(request);
if (msgHandler.AtLeastOneEmail)
{
request.Attachments = allAttachments.ToArray();
}
m_uiManager.ParentHwnd = m_parentWnd;
RequestManager requestManager = new RequestManager(request, m_uiManager, msgHandler.ExpandMSG, msgHandler.PackMSG);
requestManager.TotalAttachmentSize = GetTotalAttachmentSize(mailItem);
requestManager.IsSimpleMapi = IsSimpleMapi;
requestManager.MailItem = mailItem;
using (new WsActivationContext())
{
bool bDisplayProgress = DisplayProgressOnMailSend(request);
requestManager.SendAndProtect = SendAndProtect;
requestManager.HasLargeAttachments = request.HasLargeAttachments;
ProcessResult result;
if (ProtectSimple)
{
bool isCorporateAccount = GetAccountType(mailItem) == MsOutlook.OlAccountType.olExchange;
requestManager.ProtectSimpleProfiles = GetWorkshareProfiles(mailItem.Application, request, isCorporateAccount, msgHandler.AtLeastOneEmail);
// If any of the attachment is a large attachment, then just show send-link profiles, remove everything else
if (request.HasLargeAttachments)
{
int i = 0;
var profiles = new WorkshareProfileCollection();
foreach (WorkshareProfile profile in requestManager.ProtectSimpleProfiles.Values)
{
if (profile.Name.Contains("Secure File Transfer"))
{
profiles.Add(i++, profile);
}
}
requestManager.ProtectSimpleProfiles = profiles;
}
result = requestManager.ProcessRequestForProtectSimple(bDisplayProgress, isCorporateAccount);
}
else
{
result = requestManager.ProcessRequest(m_clientProgress, bDisplayProgress, IsDynamicDiscoveryEnabled(request));
}
switch (result)
{
case ProcessResult.CANCELLED:
cancelEmailSend = true;
break;
case ProcessResult.PROCESSED:
cancelEmailSend = false;
//////////////////////////////////////////////////////////////////////////////////////////
// JE - 21.01.2010
// This code block ensures that for simple attachments (i.e not containers - zip,msg)
// we will only replace the attachment on the email if we have processed it.
// Container atachments will currently always be replaced with rebuilt versions
// that contain copies of the original files that may or may not have been processed.
//////////////////////////////////////////////////////////////////////////////////////////
Attachment[] builtup = requestManager.EnforceResponse.ModifiedRequest.Attachments;
if (requestManager.ReplaceAllAttachments())
{
// This is used for the Cryptzone Secure Email Action
// We can only support one Action that has this property and still function
// in a reasonable fashion since we are allowing the Action to remove all
// attachments and replace then with completely new ones. JE 19.10.2011
msgHandler.ReplaceAttachments(mailItem, builtup);
}
else
{
List<Attachment> processedbuiltup = requestManager.GetTopLevelProcessedAttachments();
// VE263 Consolidate all the attachments (processed and unprocessed), so that we can recreate the email and have all the attachments in their original order.
// Otherwise modified attachments would be added to the end of the attachment list, ie no longer in the original order.
builtup = BuildMsgAndProcessedAttachments(msgHandler, builtup, processedbuiltup);
if (SendLinkBase.ShouldExecuteSendLinkAction(requestManager.Response))
{
IsSendLink = ExecuteSendLinkAction(mailItem, builtup, requestManager);
cancelEmailSend = !IsSendLink;
}
else
{
msgHandler.ReplaceProcessedAttachments(mailItem, builtup, requestManager.GetGroupedZipOptions());
}
}
if (!cancelEmailSend)
{
if (IsSendLink)
{
SendLinkUpdateEmailContent(mailItem, requestManager.EnforceResponse.ModifiedRequest);
}
else
{
UpdateEmailContent(mailItem, requestManager.EnforceResponse.ModifiedRequest);
}
SetHeaderProcessingInfo(mailItem, requestManager.EnforceResponse.ModifiedRequest);
SetProcessedByWorkshareProtect(mailItem);
RemoveCustomProperties(mailItem);
}
break;
//VE 4955 - Don't tag the message (XHeader). Protect Server should
//process the message if Protect Client failed to process the message
//and the user selected to send anyway.
case ProcessResult.ERROR_OVERRIDE_USER_SELECTED_SEND:
cancelEmailSend = false;
break;
// I presume that an Exception result is actually
// handled by a catch block, but case added here
// to make sure that we show an error if it isn't.
case ProcessResult.ERRORS:
case ProcessResult.EXCEPTION:
cancelEmailSend = !HandleErrors(requestManager.Errors);
break;
default: //no violations or actions for this email - continue to send it.
if (request.HasLargeAttachments)
{
// and no policy triggered (probably because they are all not-supported types)
// then we need to replace the place-holder-files (for large attachments) with actual attachments
msgHandler.ReplaceAttachments(mailItem, request.Attachments);
}
IsProtectDisabledForCurrentRouting = true;
cancelEmailSend = false;
SetHeaderProcessingInfo(mailItem, requestManager.Request);
SetProcessedByWorkshareProtect(mailItem);
RemoveCustomProperties(mailItem);
break;
}
}
}
catch (Exception ex)
{
cancelEmailSend = !ShouldContinueAfterException(ex);
}
finally
{
if (!cancelEmailSend && request != null)
{
foreach (var att in request.Attachments)
{
ContentEncryptionManager.ClearPasswordCacheFor(att);
}
}
if (m_clientProgress != null)
{
m_clientProgress.Complete();
m_clientProgress.Close();
}
if (request != null)
{
request.Dispose();
request = null;
}
// Explicitly clear up Redemption in case any extended MAPI objects are left lying around
IWSUtilities utils = Oif.CreateUtilities();
utils.Cleanup();
if (msgHandler != null)
{
msgHandler.Dispose();
}
Interop.Logging.Logger.LogInfo("Shutting down application cache instance.");
OfficeApplicationCache.Instance.ShutDown();
}
}
