public void PopulateTree(string currentDn, Data.LdapTree ldapTree)
{
using (var dir = GetNativeEntry(currentDn))
{
using (var searcher = new DirectorySearcher(dir))
{
// the default ClientTimeout is -1 which will wait indefinitely
// in practice this means that a misbehaving server will not return at all
// and eventually exhaust the pooled connections available in DirectoryServices
searcher.ClientTimeout = TimeSpan.FromSeconds(5);
searcher.SearchScope = SearchScope.OneLevel;
using (var results = searcher.FindAll())
{
ApplySearchResults(dir, results, ldapTree);
}
}
}
}
private void ApplySearchResults(DirectoryEntry dir, SearchResultCollection results, Data.LdapTree viewModel)
{
var server = connectionInfo.GetServerUri();
Data.LdapEntry parent;
var currentDn = dir.Path.Substring(server.Length);
if (viewModel.EntryMap.ContainsKey(currentDn))
{
parent = viewModel.EntryMap[currentDn];
}
else
{
parent = new Data.LdapEntry();
parent.DistinguishedName = currentDn;
parent.RelativeName = dir.Name;
viewModel.Entries.Add(parent);
viewModel.EntryMap[parent.DistinguishedName] = parent;
parent.PopulateAttributes(dir.Properties);
}
foreach (SearchResult result in results)
{
if (result.Path.Equals(server + parent.DistinguishedName))
{
continue;
}
var entry = new Data.LdapEntry();
// not accessing child.Name directly here as the object may be a malformed LDAP entry
// this is currently the case with the RACF connector and ou=Aliases
// this will at least let us populate the entry and we can error fetching details later
// additionally it is much slower to retrieve result.GetDirectoryEntry().Name for each
var entryDn = new DN(result.Path.Substring(server.Length));
entry.RelativeName = entryDn.RDNs[0].ToString();
entry.DistinguishedName = entry.RelativeName + "," + parent.DistinguishedName;
parent.Entries.Add(entry);
viewModel.EntryMap[entry.DistinguishedName] = entry;
entry.PopulateAttributes(result.Properties);
}
parent.SortEntries();
}