internal void CommitIfNotCaching()
{
if (justCreated)
{
return; // Do not write changes, beacuse the entry is just under construction until CommitChanges() is called.
}
if (useCache)
{
return;
}
if (!Bound)
{
return;
}
if (!writeGranted)
{
DirectoryServicesPermission permission = new DirectoryServicesPermission(DirectoryServicesPermissionAccess.Write, this.path);
permission.Demand();
writeGranted = true;
}
adsObject.SetInfo();
}
/// <include file='doc\DirectoryEntry.uex' path='docs/doc[@for="DirectoryEntry.CommitChanges"]/*' />
/// <devdoc>
/// <para>
/// Saves any
/// changes to the entry in the directory store.
/// </para>
/// </devdoc>
public void CommitChanges()
{
if (justCreated)
{
// Note: Permissions Demand is not necessary here, because entry has already been created with appr. permissions.
// Write changes regardless of Caching mode to finish construction of a new entry.
adsObject.SetInfo();
justCreated = false;
return;
}
if (!useCache)
{
// nothing to do
return;
}
if (!Bound)
{
return;
}
if (!writeGranted)
{
DirectoryServicesPermission permission = new DirectoryServicesPermission(DirectoryServicesPermissionAccess.Write, this.path);
permission.Demand();
writeGranted = true;
}
adsObject.SetInfo();
}
// Create new entry with the same data, but different IADs object, and grant it Browse Permission.
internal DirectoryEntry CloneBrowsable()
{
if (!browseGranted)
{
DirectoryServicesPermission permission = new DirectoryServicesPermission(DirectoryServicesPermissionAccess.Browse, this.path);
permission.Demand();
browseGranted = true;
}
DirectoryEntry newEntry = new DirectoryEntry(this.Path, this.UsePropertyCache, this.Username, this.Password, this.AuthenticationType);
newEntry.browseGranted = true;
return(newEntry);
}
/// <include file='doc\DirectoryEntry.uex' path='docs/doc[@for="DirectoryEntry.DeleteTree"]/*' />
/// <devdoc>
/// <para>Deletes this entry and its entire subtree from the
/// Active Directory hierarchy.</para>
/// </devdoc>
public void DeleteTree()
{
if (!(AdsObject is UnsafeNativeMethods.IAdsDeleteOps))
{
throw new InvalidOperationException(Res.GetString(Res.DSCannotDelete));
}
if (!writeGranted)
{
DirectoryServicesPermission permission = new DirectoryServicesPermission(DirectoryServicesPermissionAccess.Write, this.path);
permission.Demand();
writeGranted = true;
}
UnsafeNativeMethods.IAdsDeleteOps entry = (UnsafeNativeMethods.IAdsDeleteOps)AdsObject;
entry.DeleteObject(0);
}
/// <include file='doc\DirectoryEntry.uex' path='docs/doc[@for="DirectoryEntry.CopyTo1"]/*' />
/// <devdoc>
/// <para>
/// Creates a copy of this entry as a child of the given parent and
/// gives it a new name.
/// </para>
/// </devdoc>
public DirectoryEntry CopyTo(DirectoryEntry newParent, string newName)
{
if (!newParent.IsContainer)
{
throw new InvalidOperationException(Res.GetString(Res.DSNotAContainer, newParent.Path));
}
if (!newParent.writeGranted)
{
DirectoryServicesPermission permission = new DirectoryServicesPermission(DirectoryServicesPermissionAccess.Write, newParent.path);
permission.Demand();
newParent.writeGranted = true;
}
object copy = newParent.ContainerObject.CopyHere(Path, newName);
return(new DirectoryEntry(copy, newParent.UsePropertyCache, Username, Password, AuthenticationType));
}
/// <include file='doc\DirectoryEntry.uex' path='docs/doc[@for="DirectoryEntry.Invoke"]/*' />
/// <devdoc>
/// <para>Calls
/// a method on the native Active Directory.</para>
/// </devdoc>
public object Invoke(string methodName, params object[] args)
{
if (!writeGranted)
{
DirectoryServicesPermission permission = new DirectoryServicesPermission(DirectoryServicesPermissionAccess.Write, this.path);
permission.Demand();
writeGranted = true;
}
object target = this.NativeObject;
Type type = target.GetType();
object result = type.InvokeMember(methodName, BindingFlags.InvokeMethod, null, target, args);
if (result is UnsafeNativeMethods.IAds)
{
return(new DirectoryEntry(result, UsePropertyCache, Username, Password, AuthenticationType));
}
else
{
return(result);
}
}
private void Bind(bool throwIfFail)
{
//Cannot rebind after the object has been disposed, since finalization has been suppressed.
if (this.disposed)
{
throw new ObjectDisposedException(GetType().Name);
}
if (Path != null && Path.Length != 0)
{
//SECREVIEW: Need to demand permission event if adsObject is not null
// this entry might be the result of a search, need to verify
// if the user has permission to browse the object first.
if (!browseGranted)
{
DirectoryServicesPermission permission = new DirectoryServicesPermission(DirectoryServicesPermissionAccess.Browse, Path);
permission.Demand();
browseGranted = true;
}
}
if (adsObject == null)
{
string pathToUse = Path;
if (pathToUse == null || pathToUse.Length == 0)
{
// get the default naming context. This should be the default root for the search.
DirectoryEntry rootDSE = new DirectoryEntry("LDAP://RootDSE");
//SECREVIEW: Looking at the root of the DS will demand browse permissions
// on "*" or "LDAP://RootDSE".
string defaultNamingContext = (string)rootDSE.Properties["defaultNamingContext"][0];
rootDSE.Dispose();
pathToUse = "LDAP://" + defaultNamingContext;
if (!browseGranted)
{
DirectoryServicesPermission permission = new DirectoryServicesPermission(DirectoryServicesPermissionAccess.Browse, pathToUse);
permission.Demand();
browseGranted = true;
}
}
// Ensure we've got a thread model set, else CoInitialize() won't have been called.
if (Thread.CurrentThread.ApartmentState == ApartmentState.Unknown)
{
Thread.CurrentThread.ApartmentState = ApartmentState.MTA;
}
Guid g = new Guid("00000000-0000-0000-c000-000000000046"); // IID_IUnknown
object value = null;
int hr = UnsafeNativeMethods.ADsOpenObject(pathToUse, Username, Password, (int)authenticationType, ref g, out value);
if (hr != 0)
{
if (throwIfFail)
{
throw CreateFormattedComException(hr);
}
}
else
{
adsObject = (UnsafeNativeMethods.IAds)value;
}
}
}
