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);
}
private static string GetAttachmentByUrlCompName(MailboxSession mailboxSession, string attachmentId, Stream outStream, int offset, int count, Unlimited <ByteQuantifiedSize> maxAttachmentSize, out int total)
{
attachmentId = "/" + attachmentId;
int andCheckLastSlashLocation = AttachmentHelper.GetAndCheckLastSlashLocation(attachmentId, attachmentId);
string text = attachmentId.Substring(0, andCheckLastSlashLocation);
string text2 = attachmentId.Substring(andCheckLastSlashLocation + 1);
andCheckLastSlashLocation = AttachmentHelper.GetAndCheckLastSlashLocation(text, attachmentId);
string propertyValue = text.Substring(0, andCheckLastSlashLocation);
StoreId storeId = null;
QueryFilter seekFilter = new ComparisonFilter(ComparisonOperator.Equal, FolderSchema.UrlName, propertyValue);
using (Folder folder = Folder.Bind(mailboxSession, mailboxSession.GetDefaultFolderId(DefaultFolderType.Root)))
{
using (QueryResult queryResult = folder.FolderQuery(FolderQueryFlags.DeepTraversal, AirSyncUtility.XsoFilters.GetHierarchyFilter, null, AttachmentHelper.folderPropertyIds))
{
if (queryResult.SeekToCondition(SeekReference.OriginBeginning, seekFilter))
{
object[][] rows = queryResult.GetRows(1);
storeId = (rows[0][0] as StoreId);
}
}
}
if (storeId == null)
{
throw new ObjectNotFoundException(ServerStrings.MapiCannotOpenAttachmentId(attachmentId));
}
AirSyncDiagnostics.TraceDebug <StoreId>(ExTraceGlobals.RequestsTracer, null, "Getting attachment with parentStoreId {0}.", storeId);
StoreId storeId2 = null;
seekFilter = new ComparisonFilter(ComparisonOperator.Equal, FolderSchema.UrlName, text);
using (Folder folder2 = Folder.Bind(mailboxSession, storeId))
{
using (QueryResult queryResult2 = folder2.ItemQuery(ItemQueryType.None, null, null, AttachmentHelper.itemPropertyIds))
{
if (queryResult2.SeekToCondition(SeekReference.OriginBeginning, seekFilter))
{
object[][] rows2 = queryResult2.GetRows(1);
storeId2 = (rows2[0][0] as StoreId);
}
}
}
if (storeId2 == null)
{
throw new ObjectNotFoundException(ServerStrings.MapiCannotOpenAttachmentId(attachmentId));
}
AirSyncDiagnostics.TraceDebug <StoreId>(ExTraceGlobals.RequestsTracer, null, "Getting attachment with itemStoreId {0}.", storeId2);
PropertyTagPropertyDefinition propertyTagPropertyDefinition = PropertyTagPropertyDefinition.CreateCustom("UrlCompName", 284360734U);
string attachmentItself;
using (Item item = Item.Bind(mailboxSession, storeId2))
{
AttachmentCollection attachmentCollection = item.AttachmentCollection;
attachmentCollection.Load(new PropertyDefinition[]
{
propertyTagPropertyDefinition
});
AttachmentId attachmentId2 = null;
foreach (AttachmentHandle handle in attachmentCollection)
{
using (Attachment attachment = attachmentCollection.Open(handle))
{
if (text2.Equals((string)attachment[propertyTagPropertyDefinition], StringComparison.Ordinal))
{
attachmentId2 = attachment.Id;
break;
}
}
}
if (attachmentId2 == null)
{
foreach (AttachmentHandle handle2 in attachmentCollection)
{
using (Attachment attachment2 = attachmentCollection.Open(handle2))
{
string str = (string)attachment2[propertyTagPropertyDefinition];
if (text2.EndsWith("_" + str, StringComparison.Ordinal))
{
attachmentId2 = attachment2.Id;
break;
}
}
}
}
if (attachmentId2 == null)
{
throw new ObjectNotFoundException(ServerStrings.MapiCannotOpenAttachmentId(attachmentId));
}
AirSyncDiagnostics.TraceDebug <AttachmentId>(ExTraceGlobals.RequestsTracer, null, "Getting attachment with attachment ID {0}.", attachmentId2);
using (Attachment attachment3 = attachmentCollection.Open(attachmentId2))
{
if (!maxAttachmentSize.IsUnlimited && attachment3.Size > (long)maxAttachmentSize.Value.ToBytes())
{
throw new DataTooLargeException(StatusCode.AttachmentIsTooLarge);
}
attachmentItself = AttachmentHelper.GetAttachmentItself(attachment3, outStream, offset, count, out total);
}
}
return(attachmentItself);
}