public static Stream ConvertItemToMime(StoreObject xsoItem)
{
Item item = xsoItem as Item;
if (item == null)
{
throw new UnexpectedTypeException("Item", xsoItem);
}
OutboundConversionOptions outboundConversionOptions = AirSyncUtility.GetOutboundConversionOptions();
PolicyData policyData = ADNotificationManager.GetPolicyData(Command.CurrentCommand.User);
if (policyData != null && !policyData.AttachmentsEnabled)
{
outboundConversionOptions.FilterAttachmentHandler = ((Item item1, Attachment attachment) => false);
}
item.Load(StoreObjectSchema.ContentConversionProperties);
AirSyncStream airSyncStream = new AirSyncStream();
try
{
if (BodyConversionUtilities.IsMessageRestrictedAndDecoded(item))
{
ItemConversion.ConvertItemToMime(((RightsManagedMessageItem)item).DecodedItem, airSyncStream, outboundConversionOptions);
}
else
{
ItemConversion.ConvertItemToMime(item, airSyncStream, outboundConversionOptions);
}
}
catch (ConversionFailedException innerException)
{
throw new ConversionException(string.Format(CultureInfo.InvariantCulture, "MIME conversion failed for Item {0}", new object[]
{
item
}), innerException);
}
return(airSyncStream);
}
internal static string GetAttachment(MailboxSession mailboxSession, StoreObjectId itemId, string attachmentId, Stream outStream, int offset, int count, Unlimited <ByteQuantifiedSize> maxAttachmentSize, bool rightsManagementSupport, out int total)
{
string result;
using (Item item = Item.Bind(mailboxSession, itemId))
{
if ("DRMLicense".Equals(attachmentId, StringComparison.OrdinalIgnoreCase))
{
total = AttachmentHelper.WriteDrmLicenseToStream(item, outStream, offset, count, maxAttachmentSize);
result = "application/x-microsoft-rpmsg-message-license";
}
else
{
if (rightsManagementSupport)
{
Command.CurrentCommand.DecodeIrmMessage(item, true);
}
Attachment attachment = null;
try
{
AttachmentCollection attachmentCollection;
if (BodyConversionUtilities.IsMessageRestrictedAndDecoded(item))
{
attachmentCollection = ((RightsManagedMessageItem)item).ProtectedAttachmentCollection;
}
else
{
attachmentCollection = item.AttachmentCollection;
}
if (attachmentId.Length > 8)
{
AttachmentId attachmentId2 = EntitySyncItemId.GetAttachmentId(attachmentId);
if (attachmentId2 != null)
{
attachment = attachmentCollection.Open(attachmentId2);
}
}
if (attachment == null)
{
int num;
if (!int.TryParse(attachmentId, NumberStyles.None, CultureInfo.InvariantCulture, out num) || num < 0)
{
throw new FormatException("Invalid Attachment Index format: " + attachmentId.ToString(CultureInfo.InvariantCulture));
}
IList <AttachmentHandle> handles = attachmentCollection.GetHandles();
if (num < handles.Count)
{
attachment = attachmentCollection.Open(handles[num]);
}
}
if (attachment == null)
{
throw new ObjectNotFoundException(ServerStrings.MapiCannotOpenAttachmentId(attachmentId));
}
if (BodyConversionUtilities.IsMessageRestrictedAndDecoded(item) && AttachmentHelper.IsProtectedVoiceAttachment(attachment.FileName))
{
RightsManagedMessageItem rightsManagedMessageItem = item as RightsManagedMessageItem;
rightsManagedMessageItem.UnprotectAttachment(attachment.Id);
AttachmentId id = attachment.Id;
attachment.Dispose();
attachment = rightsManagedMessageItem.ProtectedAttachmentCollection.Open(id);
}
if (!maxAttachmentSize.IsUnlimited && attachment.Size > (long)maxAttachmentSize.Value.ToBytes())
{
throw new DataTooLargeException(StatusCode.AttachmentIsTooLarge);
}
result = AttachmentHelper.GetAttachmentItself(attachment, outStream, offset, count, out total);
}
finally
{
if (attachment != null)
{
attachment.Dispose();
}
if (rightsManagementSupport)
{
Command.CurrentCommand.SaveLicense(item);
}
}
}
}
return(result);
}