1 files changed, 77 insertions, 0 deletions
diff --git a/plugins/org.eclipse.emf.cdo.server.net4j/src/org/eclipse/emf/cdo/server/internal/net4j/protocol/ChangeCredentialsRequest.java b/plugins/org.eclipse.emf.cdo.server.net4j/src/org/eclipse/emf/cdo/server/internal/net4j/protocol/ChangeCredentialsRequest.java
new file mode 100644
index 0000000000..b4e0d7645a
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.server.net4j/src/org/eclipse/emf/cdo/server/internal/net4j/protocol/ChangeCredentialsRequest.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2013 Eike Stepper (Berlin, Germany), CEA LIST, and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Christian W. Damus (CEA LIST) - initial API and implementation
+ */
+package org.eclipse.emf.cdo.server.internal.net4j.protocol;
+
+import org.eclipse.emf.cdo.common.protocol.CDOProtocolConstants;
+import org.eclipse.emf.cdo.common.util.NotAuthenticatedException;
+
+import org.eclipse.net4j.signal.RemoteException;
+import org.eclipse.net4j.signal.RequestWithMonitoring;
+import org.eclipse.net4j.util.io.ExtendedDataInputStream;
+import org.eclipse.net4j.util.io.ExtendedDataOutputStream;
+import org.eclipse.net4j.util.om.monitor.OMMonitor;
+import org.eclipse.net4j.util.security.DiffieHellman.Client.Response;
+import org.eclipse.net4j.util.security.DiffieHellman.Server.Challenge;
+
+/**
+ * Server-initiated request to change the user's password.  It incorporates and extends the
+ * authentication challenge (the current credentials must be verified in the same operation).
+ * 
+ * @since 4.3
+ */
+public class ChangeCredentialsRequest extends RequestWithMonitoring<Response>
+{
+  private Challenge challenge;
+
+  public ChangeCredentialsRequest(CDOServerProtocol protocol, Challenge challenge)
+  {
+    super(protocol, CDOProtocolConstants.SIGNAL_CHANGE_CREDENTIALS);
+    this.challenge = challenge;
+  }
+
+  @Override
+  protected void requesting(ExtendedDataOutputStream out, OMMonitor monitor) throws Exception
+  {
+    challenge.write(out);
+  }
+
+  @Override
+  protected Response confirming(ExtendedDataInputStream in, OMMonitor monitor) throws Exception
+  {
+    Response result = null;
+
+    try
+    {
+      if (in.readBoolean())
+      {
+        result = new Response(in);
+      }
+    }
+    catch (RemoteException e)
+    {
+      // user may have cancelled the change-password operation
+      if (!(e.getCause() instanceof NotAuthenticatedException))
+      {
+        throw e;
+      }
+    }
+    catch (Exception e)
+    {
+      // user may have cancelled the change-password operation
+      if (!(e instanceof NotAuthenticatedException))
+      {
+        throw e;
+      }
+    }
+
+    return result;
+  }
+}