private static bool ResolveRecipientParametersFromLegacyDN(string legacyDN, StoreSession session, IRecipientSession recipientSession, out SecurityIdentifier securityIdentifier, out List <SecurityIdentifier> sidHistory, out bool isGroup, out string displayName)
{
securityIdentifier = null;
sidHistory = null;
isGroup = false;
displayName = string.Empty;
if (legacyDN == string.Empty)
{
securityIdentifier = AclHelper.everyoneSecurityIdentifier;
return(true);
}
if (string.Compare(legacyDN, "Anonymous", StringComparison.OrdinalIgnoreCase) == 0)
{
securityIdentifier = AclHelper.anonymousSecurityIdentifier;
displayName = "Anonymous";
return(true);
}
MiniRecipient[] array = recipientSession.FindMiniRecipient(null, QueryScope.SubTree, new ComparisonFilter(ComparisonOperator.Equal, MiniRecipientSchema.LegacyExchangeDN, legacyDN), null, 2, Array <PropertyDefinition> .Empty);
if (array == null || array.Length == 0)
{
return(false);
}
if (array.Length > 1)
{
throw new NonUniqueLegacyExchangeDNException(ServerStrings.ErrorNonUniqueLegacyDN(legacyDN));
}
SecurityIdentifier masterAccountSid = array[0].MasterAccountSid;
if (masterAccountSid != null && !masterAccountSid.IsWellKnown(WellKnownSidType.SelfSid))
{
securityIdentifier = masterAccountSid;
}
else
{
securityIdentifier = array[0].Sid;
MultiValuedProperty <SecurityIdentifier> sidHistory2 = array[0].SidHistory;
if (sidHistory2 != null && sidHistory2.Count != 0)
{
sidHistory = new List <SecurityIdentifier>(sidHistory2);
}
}
if (securityIdentifier == null)
{
throw new CorruptDataException(ServerStrings.UserSidNotFound(legacyDN));
}
isGroup = AclHelper.IsGroupRecipientType(array[0].RecipientType);
if (!AclHelper.IsNTUserLegacyDN(legacyDN, session.InternalPreferedCulture, securityIdentifier, out displayName))
{
displayName = array[0].DisplayName;
}
return(true);
}