// Token: 0x0600155B RID: 5467 RVA: 0x0007CE68 File Offset: 0x0007B068
protected void CopyMessageContents(MessageItem source, MessageItem destination, bool copyOriginalRecipients, Item attachmentItem)
{
source.Load();
string inReplyTo = destination.InReplyTo;
string references = destination.References;
destination.Subject = ((source.TryGetProperty(ItemSchema.SubjectPrefix) as string) ?? string.Empty) + ((source.TryGetProperty(ItemSchema.NormalizedSubject) as string) ?? string.Empty);
destination.InReplyTo = inReplyTo;
destination.Importance = source.Importance;
destination.InternetMessageId = source.InternetMessageId;
destination.Categories.Clear();
destination.Categories.AddRange(source.Categories);
destination.IconIndex = source.IconIndex;
destination.IsRead = source.IsRead;
destination.IsReadReceiptRequested = source.IsReadReceiptRequested;
destination.References = references;
if (copyOriginalRecipients)
{
this.originalRecipients = new HashSet <RecipientId>();
foreach (Recipient recipient in destination.Recipients)
{
this.originalRecipients.Add(recipient.Id);
}
}
destination.Recipients.Clear();
foreach (Recipient recipient2 in source.Recipients)
{
destination.Recipients.Add(recipient2.Participant, recipient2.RecipientItemType);
}
if (source.ReplyTo != null)
{
foreach (Participant item in source.ReplyTo)
{
destination.ReplyTo.Add(item);
}
}
RightsManagedMessageItem rightsManagedMessageItem = destination as RightsManagedMessageItem;
AttachmentCollection attachmentCollection = (rightsManagedMessageItem != null) ? rightsManagedMessageItem.ProtectedAttachmentCollection : destination.AttachmentCollection;
if (rightsManagedMessageItem == null && attachmentItem != null)
{
throw new InvalidOperationException("attachmentItem must be null for non-IRM messages");
}
if (this.ReplaceMime || attachmentItem != null)
{
if (rightsManagedMessageItem == null)
{
Body.CopyBody(source, destination, GlobalSettings.DisableCharsetDetectionInCopyMessageContents);
}
else
{
using (Stream stream = source.Body.OpenReadStream(new BodyReadConfiguration(source.Body.Format, source.Body.Charset)))
{
using (Stream stream2 = rightsManagedMessageItem.ProtectedBody.OpenWriteStream(new BodyWriteConfiguration(source.Body.Format, source.Body.Charset)))
{
Util.StreamHandler.CopyStreamData(stream, stream2);
}
}
}
}
foreach (AttachmentHandle handle in source.AttachmentCollection)
{
using (Attachment attachment = source.AttachmentCollection.Open(handle))
{
int num = 0;
if (attachment is StreamAttachment)
{
num = 1;
}
else if (attachment is OleAttachment)
{
num = 2;
}
if (num > 0)
{
Microsoft.Exchange.Data.Storage.AttachmentType type = (num == 1) ? Microsoft.Exchange.Data.Storage.AttachmentType.Stream : Microsoft.Exchange.Data.Storage.AttachmentType.Ole;
StreamAttachmentBase streamAttachmentBase = (StreamAttachmentBase)attachment;
using (StreamAttachmentBase streamAttachmentBase2 = (StreamAttachmentBase)attachmentCollection.Create(type))
{
using (Stream contentStream = streamAttachmentBase2.GetContentStream())
{
using (Stream contentStream2 = streamAttachmentBase.GetContentStream())
{
int num2 = 4096;
byte[] buffer = new byte[num2];
int count;
while ((count = contentStream2.Read(buffer, 0, num2)) > 0)
{
contentStream.Write(buffer, 0, count);
}
streamAttachmentBase2.ContentType = streamAttachmentBase.ContentType;
streamAttachmentBase2[AttachmentSchema.DisplayName] = streamAttachmentBase.DisplayName;
streamAttachmentBase2.FileName = streamAttachmentBase.FileName;
streamAttachmentBase2[AttachmentSchema.AttachContentId] = streamAttachmentBase[AttachmentSchema.AttachContentId];
streamAttachmentBase2.IsInline = streamAttachmentBase.IsInline;
}
}
streamAttachmentBase2.Save();
continue;
}
}
ItemAttachment itemAttachment = (ItemAttachment)attachment;
using (Item item2 = itemAttachment.GetItem())
{
using (ItemAttachment itemAttachment2 = attachmentCollection.AddExistingItem(item2))
{
itemAttachment2.Save();
}
}
}
}
if (attachmentItem != null)
{
using (ItemAttachment itemAttachment3 = attachmentCollection.AddExistingItem(attachmentItem))
{
itemAttachment3.Save();
}
}
}