/*
|
* CDDL HEADER START
|
*
|
* The contents of this file are subject to the terms of the
|
* Common Development and Distribution License, Version 1.0 only
|
* (the "License"). You may not use this file except in compliance
|
* with the License.
|
*
|
* You can obtain a copy of the license at
|
* trunk/opends/resource/legal-notices/OpenDS.LICENSE
|
* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
|
* See the License for the specific language governing permissions
|
* and limitations under the License.
|
*
|
* When distributing Covered Code, include this CDDL HEADER in each
|
* file and include the License file at
|
* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
|
* add the following below this CDDL HEADER, with the fields enclosed
|
* by brackets "[]" replaced with your own identifying * information:
|
* Portions Copyright [yyyy] [name of copyright owner]
|
*
|
* CDDL HEADER END
|
*
|
*
|
* Portions Copyright 2006 Sun Microsystems, Inc.
|
*/
|
package org.opends.server.core;
|
|
|
|
import java.util.ArrayList;
|
import java.util.Iterator;
|
import java.util.List;
|
|
import org.opends.server.api.ClientConnection;
|
import org.opends.server.api.ExtendedOperationHandler;
|
import org.opends.server.api.plugin.PostOperationPluginResult;
|
import org.opends.server.api.plugin.PreOperationPluginResult;
|
import org.opends.server.api.plugin.PreParsePluginResult;
|
import org.opends.server.protocols.asn1.ASN1OctetString;
|
import org.opends.server.types.CancelRequest;
|
import org.opends.server.types.CancelResult;
|
import org.opends.server.types.Control;
|
import org.opends.server.types.DN;
|
import org.opends.server.types.OperationType;
|
import org.opends.server.types.ResultCode;
|
import org.opends.server.types.operation.PostOperationExtendedOperation;
|
import org.opends.server.types.operation.PostResponseExtendedOperation;
|
import org.opends.server.types.operation.PreOperationExtendedOperation;
|
import org.opends.server.types.operation.PreParseExtendedOperation;
|
|
import static org.opends.server.core.CoreConstants.*;
|
import static org.opends.server.loggers.Access.*;
|
import static org.opends.server.loggers.Debug.*;
|
import static org.opends.server.messages.CoreMessages.*;
|
import static org.opends.server.messages.MessageHandler.*;
|
import static org.opends.server.util.ServerConstants.*;
|
|
|
|
/**
|
* This class defines an extended operation, which can perform virtually any
|
* kind of task.
|
*/
|
public class ExtendedOperation
|
extends Operation
|
implements PreParseExtendedOperation, PreOperationExtendedOperation,
|
PostOperationExtendedOperation, PostResponseExtendedOperation
|
{
|
/*** The fully-qualified name of this class for debugging purposes.
|
*/
|
private static final String CLASS_NAME =
|
"org.opends.server.core.ExtendedOperation";
|
|
|
|
// The value for the request associated with this extended operation.
|
private ASN1OctetString requestValue;
|
|
// The value for the response associated with this extended operation.
|
private ASN1OctetString responseValue;
|
|
// Indicates whether a response has yet been sent for this operation.
|
private boolean responseSent;
|
|
// The cancel request that has been issued for this extended operation.
|
private CancelRequest cancelRequest;
|
|
// The set of response controls for this extended operation.
|
private List<Control> responseControls;
|
|
// The time that processing started on this operation.
|
private long processingStartTime;
|
|
// The time that processing ended on this operation.
|
private long processingStopTime;
|
|
// The OID for the request associated with this extended operation.
|
private String requestOID;
|
|
// The OID for the response associated with this extended operation.
|
private String responseOID;
|
|
|
|
/**
|
* Creates a new extended operation with the provided information.
|
*
|
* @param clientConnection The client connection with which this operation
|
* is associated.
|
* @param operationID The operation ID for this operation.
|
* @param messageID The message ID of the request with which this
|
* operation is associated.
|
* @param requestControls The set of controls included in the request.
|
* @param requestOID The OID for the request associated with this
|
* extended operation.
|
* @param requestValue The value for the request associated with this
|
* extended operation.
|
*/
|
public ExtendedOperation(ClientConnection clientConnection, long operationID,
|
int messageID, List<Control> requestControls,
|
String requestOID, ASN1OctetString requestValue)
|
{
|
super(clientConnection, operationID, messageID, requestControls);
|
|
assert debugConstructor(CLASS_NAME,
|
new String[]
|
{
|
String.valueOf(clientConnection),
|
String.valueOf(operationID),
|
String.valueOf(messageID),
|
String.valueOf(requestControls),
|
String.valueOf(requestOID),
|
String.valueOf(requestValue)
|
});
|
|
this.requestOID = requestOID;
|
this.requestValue = requestValue;
|
|
responseOID = null;
|
responseValue = null;
|
responseControls = new ArrayList<Control>();
|
cancelRequest = null;
|
responseSent = false;
|
}
|
|
|
|
/**
|
* Retrieves the OID for the request associated with this extended operation.
|
*
|
* @return The OID for the request associated with this extended operation.
|
*/
|
public final String getRequestOID()
|
{
|
assert debugEnter(CLASS_NAME, "getRequestOID");
|
|
return requestOID;
|
}
|
|
|
|
/**
|
* Specifies the OID for the request associated with this extended operation.
|
* This should only be called by pre-parse plugins.
|
*
|
* @param requestOID The OID for the request associated with this extended
|
* operation.
|
*/
|
public final void setRequestOID(String requestOID)
|
{
|
assert debugEnter(CLASS_NAME, "setRequestOID", String.valueOf(requestOID));
|
|
this.requestOID = requestOID;
|
}
|
|
|
|
/**
|
* Retrieves the value for the request associated with this extended
|
* operation.
|
*
|
* @return The value for the request associated with this extended operation.
|
*/
|
public final ASN1OctetString getRequestValue()
|
{
|
assert debugEnter(CLASS_NAME, "getRequestValue");
|
|
return requestValue;
|
}
|
|
|
|
/**
|
* Specifies the value for the request associated with this extended
|
* operation. This should only be called by pre-parse plugins.
|
*
|
* @param requestValue The value for the request associated with this
|
* extended operation.
|
*/
|
public final void setRequestValue(ASN1OctetString requestValue)
|
{
|
assert debugEnter(CLASS_NAME, "setRequestValue",
|
String.valueOf(requestValue));
|
|
this.requestValue = requestValue;
|
}
|
|
|
|
/**
|
* Retrieves the OID to include in the response to the client. This should
|
* not be called by pre-parse or pre-operation plugins.
|
*
|
* @return The OID to include in the response to the client.
|
*/
|
public final String getResponseOID()
|
{
|
assert debugEnter(CLASS_NAME, "getResponseOID");
|
|
return responseOID;
|
}
|
|
|
|
/**
|
* Specifies the OID to include in the response to the client. This should
|
* not be called by post-response plugins.
|
*
|
* @param responseOID The OID to include in the response to the client.
|
*/
|
public final void setResponseOID(String responseOID)
|
{
|
assert debugEnter(CLASS_NAME, "setResponseOID",
|
String.valueOf(responseOID));
|
|
this.responseOID = responseOID;
|
}
|
|
|
|
/**
|
* Retrieves the value to include in the response to the client. This should
|
* not be called by pre-parse or pre-operation plugins.
|
*
|
* @return The value to include in the response to the client.
|
*/
|
public final ASN1OctetString getResponseValue()
|
{
|
assert debugEnter(CLASS_NAME, "getResponseValue");
|
|
return responseValue;
|
}
|
|
|
|
/**
|
* Specifies the value to include in the response to the client. This should
|
* not be called by post-response plugins.
|
*
|
* @param responseValue The value to include in the response to the client.
|
*/
|
public final void setResponseValue(ASN1OctetString responseValue)
|
{
|
assert debugEnter(CLASS_NAME, "setResponseValue",
|
String.valueOf(responseValue));
|
|
this.responseValue = responseValue;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public final long getProcessingStartTime()
|
{
|
assert debugEnter(CLASS_NAME, "getProcessingStartTime");
|
|
return processingStartTime;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public final long getProcessingStopTime()
|
{
|
assert debugEnter(CLASS_NAME, "getProcessingStopTime");
|
|
return processingStopTime;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public final long getProcessingTime()
|
{
|
assert debugEnter(CLASS_NAME, "getProcessingTime");
|
|
return (processingStopTime - processingStartTime);
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public final OperationType getOperationType()
|
{
|
// Note that no debugging will be done in this method because it is a likely
|
// candidate for being called by the logging subsystem.
|
|
return OperationType.EXTENDED;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public final String[][] getRequestLogElements()
|
{
|
// Note that no debugging will be done in this method because it is a likely
|
// candidate for being called by the logging subsystem.
|
|
return new String[][]
|
{
|
new String[] { LOG_ELEMENT_EXTENDED_REQUEST_OID, requestOID }
|
};
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public final String[][] getResponseLogElements()
|
{
|
// Note that no debugging will be done in this method because it is a likely
|
// candidate for being called by the logging subsystem.
|
|
String resultCode = String.valueOf(getResultCode().getIntValue());
|
|
String errorMessage;
|
StringBuilder errorMessageBuffer = getErrorMessage();
|
if (errorMessageBuffer == null)
|
{
|
errorMessage = null;
|
}
|
else
|
{
|
errorMessage = errorMessageBuffer.toString();
|
}
|
|
String matchedDNStr;
|
DN matchedDN = getMatchedDN();
|
if (matchedDN == null)
|
{
|
matchedDNStr = null;
|
}
|
else
|
{
|
matchedDNStr = matchedDN.toString();
|
}
|
|
String referrals;
|
List<String> referralURLs = getReferralURLs();
|
if ((referralURLs == null) || referralURLs.isEmpty())
|
{
|
referrals = null;
|
}
|
else
|
{
|
StringBuilder buffer = new StringBuilder();
|
Iterator<String> iterator = referralURLs.iterator();
|
buffer.append(iterator.next());
|
|
while (iterator.hasNext())
|
{
|
buffer.append(", ");
|
buffer.append(iterator.next());
|
}
|
|
referrals = buffer.toString();
|
}
|
|
String processingTime =
|
String.valueOf(processingStopTime - processingStartTime);
|
|
return new String[][]
|
{
|
new String[] { LOG_ELEMENT_RESULT_CODE, resultCode },
|
new String[] { LOG_ELEMENT_ERROR_MESSAGE, errorMessage },
|
new String[] { LOG_ELEMENT_MATCHED_DN, matchedDNStr },
|
new String[] { LOG_ELEMENT_REFERRAL_URLS, referrals },
|
new String[] { LOG_ELEMENT_EXTENDED_RESPONSE_OID, responseOID },
|
new String[] { LOG_ELEMENT_PROCESSING_TIME, processingTime }
|
};
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public final List<Control> getResponseControls()
|
{
|
assert debugEnter(CLASS_NAME, "getResponseControls");
|
|
return responseControls;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public final void addResponseControl(Control control)
|
{
|
responseControls.add(control);
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public final void removeResponseControl(Control control)
|
{
|
responseControls.remove(control);
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public final void run()
|
{
|
assert debugEnter(CLASS_NAME, "run");
|
|
setResultCode(ResultCode.UNDEFINED);
|
|
|
// Get the plugin config manager that will be used for invoking plugins.
|
PluginConfigManager pluginConfigManager =
|
DirectoryServer.getPluginConfigManager();
|
boolean skipPostOperation = false;
|
|
|
// Start the processing timer.
|
processingStartTime = System.currentTimeMillis();
|
|
|
// Check for and handle a request to cancel this operation.
|
if (cancelRequest != null)
|
{
|
if (! (requestOID.equals(OID_CANCEL_REQUEST) ||
|
requestOID.equals(OID_START_TLS_REQUEST)))
|
{
|
indicateCancelled(cancelRequest);
|
processingStopTime = System.currentTimeMillis();
|
return;
|
}
|
}
|
|
|
// Create a labeled block of code that we can break out of if a problem is
|
// detected.
|
extendedProcessing:
|
{
|
// Invoke the pre-parse extended plugins.
|
PreParsePluginResult preParseResult =
|
pluginConfigManager.invokePreParseExtendedPlugins(this);
|
if (preParseResult.connectionTerminated())
|
{
|
// There's no point in continuing with anything. Log the request and
|
// result and return.
|
setResultCode(ResultCode.CANCELED);
|
|
int msgID = MSGID_CANCELED_BY_PREPARSE_DISCONNECT;
|
appendErrorMessage(getMessage(msgID));
|
|
processingStopTime = System.currentTimeMillis();
|
|
logExtendedRequest(this);
|
logExtendedResponse(this);
|
return;
|
}
|
else if (preParseResult.sendResponseImmediately())
|
{
|
skipPostOperation = true;
|
logExtendedRequest(this);
|
break extendedProcessing;
|
}
|
|
|
// Log the extended request message.
|
logExtendedRequest(this);
|
|
|
// Check for and handle a request to cancel this operation.
|
if (cancelRequest != null)
|
{
|
if (! (requestOID.equals(OID_CANCEL_REQUEST) ||
|
requestOID.equals(OID_START_TLS_REQUEST)))
|
{
|
indicateCancelled(cancelRequest);
|
processingStopTime = System.currentTimeMillis();
|
return;
|
}
|
}
|
|
|
// Get the extended operation handler for the request OID. If there is
|
// none, then fail.
|
ExtendedOperationHandler handler =
|
DirectoryServer.getExtendedOperationHandler(requestOID);
|
if (handler == null)
|
{
|
setResultCode(ResultCode.UNAVAILABLE_CRITICAL_EXTENSION);
|
appendErrorMessage(getMessage(MSGID_EXTENDED_NO_HANDLER,
|
String.valueOf(requestOID)));
|
break extendedProcessing;
|
}
|
|
|
// Check the set of controls included in the request. If there are any,
|
// see if any special processing is required. This should also include
|
// taking care of any synchronization that might be needed.
|
// NYI
|
|
|
// Check to see if the client has permission to perform the
|
// extended operation.
|
|
// FIXME: for now assume that this will check all permission
|
// pertinent to the operation. This includes proxy authorization
|
// and any other controls specified.
|
if (AccessControlConfigManager.getInstance()
|
.getAccessControlHandler().isAllowed(this) == false) {
|
setResultCode(ResultCode.INSUFFICIENT_ACCESS_RIGHTS);
|
|
int msgID = MSGID_EXTENDED_AUTHZ_INSUFFICIENT_ACCESS_RIGHTS;
|
appendErrorMessage(getMessage(msgID, String.valueOf(requestOID)));
|
|
skipPostOperation = true;
|
break extendedProcessing;
|
}
|
|
// Invoke the pre-operation extended plugins.
|
PreOperationPluginResult preOpResult =
|
pluginConfigManager.invokePreOperationExtendedPlugins(this);
|
if (preOpResult.connectionTerminated())
|
{
|
// There's no point in continuing with anything. Log the result
|
// and return.
|
setResultCode(ResultCode.CANCELED);
|
|
int msgID = MSGID_CANCELED_BY_PREOP_DISCONNECT;
|
appendErrorMessage(getMessage(msgID));
|
|
processingStopTime = System.currentTimeMillis();
|
|
logExtendedResponse(this);
|
return;
|
}
|
else if (preOpResult.sendResponseImmediately())
|
{
|
skipPostOperation = true;
|
break extendedProcessing;
|
}
|
|
|
// Check for and handle a request to cancel this operation.
|
if (cancelRequest != null)
|
{
|
if (! (requestOID.equals(OID_CANCEL_REQUEST) ||
|
requestOID.equals(OID_START_TLS_REQUEST)))
|
{
|
indicateCancelled(cancelRequest);
|
processingStopTime = System.currentTimeMillis();
|
return;
|
}
|
}
|
|
|
// Actually perform the processing for this operation.
|
handler.processExtendedOperation(this);
|
}
|
|
|
// Indicate that it is now too late to attempt to cancel the operation.
|
setCancelResult(CancelResult.TOO_LATE);
|
|
|
// Invoke the post-operation extended plugins.
|
if (! skipPostOperation)
|
{
|
PostOperationPluginResult postOpResult =
|
pluginConfigManager.invokePostOperationExtendedPlugins(this);
|
if (postOpResult.connectionTerminated())
|
{
|
// There's no point in continuing with anything. Log the result and
|
// return.
|
setResultCode(ResultCode.CANCELED);
|
|
int msgID = MSGID_CANCELED_BY_PREOP_DISCONNECT;
|
appendErrorMessage(getMessage(msgID));
|
|
processingStopTime = System.currentTimeMillis();
|
|
logExtendedResponse(this);
|
return;
|
}
|
}
|
|
|
// Stop the processing timer.
|
processingStopTime = System.currentTimeMillis();
|
|
|
// Send the response to the client, if it has not already been sent.
|
if (! responseSent)
|
{
|
responseSent = true;
|
clientConnection.sendResponse(this);
|
}
|
|
|
// Log the extended response.
|
logExtendedResponse(this);
|
|
|
|
// Invoke the post-response extended plugins.
|
pluginConfigManager.invokePostResponseExtendedPlugins(this);
|
}
|
|
|
|
/**
|
* Sends an extended response to the client if none has already been sent.
|
* Note that extended operation handlers are strongly discouraged from using
|
* this method when it is not necessary because its use will prevent the
|
* response from being sent after post-operation plugin processing, which may
|
* impact the result that should be included. Nevertheless, it may be needed
|
* in some special cases in which the response must be sent before the
|
* extended operation handler completes its processing (e.g., the StartTLS
|
* operation in which the response must be sent in the clear before actually
|
* enabling TLS protection).
|
*/
|
public final void sendExtendedResponse()
|
{
|
assert debugEnter(CLASS_NAME, "sendExtendedResponse");
|
|
if (! responseSent)
|
{
|
responseSent = true;
|
clientConnection.sendResponse(this);
|
}
|
}
|
|
|
|
/**
|
* Indicates that the response for this extended operation has been sent from
|
* somewhere outside of this class. This should only be used by the StartTLS
|
* extended operation for the case in which it needs to send a response in the
|
* clear after TLS negotiation has already started on the connection.
|
*/
|
public final void setResponseSent()
|
{
|
assert debugEnter(CLASS_NAME, "setResponseSent",
|
String.valueOf(responseSent));
|
|
this.responseSent = true;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public final CancelResult cancel(CancelRequest cancelRequest)
|
{
|
assert debugEnter(CLASS_NAME, "cancel", String.valueOf(cancelRequest));
|
|
this.cancelRequest = cancelRequest;
|
|
CancelResult cancelResult = getCancelResult();
|
long stopWaitingTime = System.currentTimeMillis() + 5000;
|
while ((cancelResult == null) &&
|
(System.currentTimeMillis() < stopWaitingTime))
|
{
|
try
|
{
|
Thread.sleep(50);
|
}
|
catch (Exception e)
|
{
|
assert debugException(CLASS_NAME, "cancel", e);
|
}
|
|
cancelResult = getCancelResult();
|
}
|
|
if (cancelResult == null)
|
{
|
// This can happen in some rare cases (e.g., if a client disconnects and
|
// there is still a lot of data to send to that client), and in this case
|
// we'll prevent the cancel thread from blocking for a long period of
|
// time.
|
cancelResult = CancelResult.CANNOT_CANCEL;
|
}
|
|
return cancelResult;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public final CancelRequest getCancelRequest()
|
{
|
assert debugEnter(CLASS_NAME, "getCancelRequest");
|
|
return cancelRequest;
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public final void toString(StringBuilder buffer)
|
{
|
assert debugEnter(CLASS_NAME, "toString", "java.lang.StringBuilder");
|
|
buffer.append("ExtendedOperation(connID=");
|
buffer.append(clientConnection.getConnectionID());
|
buffer.append(", opID=");
|
buffer.append(operationID);
|
buffer.append(", oid=");
|
buffer.append(requestOID);
|
buffer.append(")");
|
}
|
}
|
