// Token: 0x06000767 RID: 1895 RVA: 0x00029340 File Offset: 0x00027540
protected override int InternalExecute(int count)
{
string[] array = HttpUtility.UrlDecode(base.FileReference).Split(new char[]
{
':'
});
if (array.Length != 2)
{
throw new AirSyncPermanentException(StatusCode.Sync_TooManyFolders, false)
{
ErrorStringForProtocolLogger = "InvalidEntityAttachemtnId"
};
}
StoreObjectId itemId = StoreId.EwsIdToStoreObjectId(array[0]);
IEvents events = EntitySyncItem.GetEvents(this.CalendaringContainer, base.Session, itemId);
if (events == null)
{
throw new AirSyncPermanentException(StatusCode.Sync_ClientServerConversion, false)
{
ErrorStringForProtocolLogger = "EventsNotFound"
};
}
IAttachments attachments = events[array[0]].Attachments;
if (attachments == null)
{
throw new AirSyncPermanentException(StatusCode.Sync_ClientServerConversion, false)
{
ErrorStringForProtocolLogger = "EntityNotFound"
};
}
IAttachment attachment = attachments.Read(array[1], null);
if (attachment == null)
{
throw new AirSyncPermanentException(StatusCode.Sync_ClientServerConversion, false)
{
ErrorStringForProtocolLogger = "EntityAttachementNotFound"
};
}
base.ContentType = attachment.ContentType;
FileAttachment fileAttachment = attachment as FileAttachment;
ItemAttachment itemAttachment = attachment as ItemAttachment;
if (fileAttachment != null)
{
if (!base.MaxAttachmentSize.IsUnlimited && fileAttachment.Content.Length > (int)base.MaxAttachmentSize.Value.ToBytes())
{
throw new DataTooLargeException(StatusCode.AttachmentIsTooLarge);
}
count = ((count == -1) ? fileAttachment.Content.Length : Math.Min(count, fileAttachment.Content.Length - base.MinRange));
base.OutStream.Write(fileAttachment.Content, base.MinRange, count);
return(count);
}
else
{
if (itemAttachment != null)
{
int result;
AttachmentHelper.GetAttachment(base.Session, itemId, attachment.Id, base.OutStream, base.MinRange, count, base.MaxAttachmentSize, base.RightsManagementSupport, out result);
return(result);
}
throw new AirSyncPermanentException(StatusCode.Sync_InvalidWaitTime, new LocalizedString(string.Format("Attachment type \"{0}\" is not supported.", attachment.GetType().FullName)), false)
{
ErrorStringForProtocolLogger = "UnsupportedEntityAttachementType"
};
}
}
