/*
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*
* 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.
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*
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* 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
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* Copyright 2007-2010 Sun Microsystems, Inc.
*/
package org.opends.server.core;
import org.opends.messages.MessageBuilder;
import static org.opends.server.core.CoreConstants.*;
import static org.opends.server.loggers.AccessLogger.logCompareRequest;
import static org.opends.server.loggers.AccessLogger.logCompareResponse;
import static org.opends.server.loggers.debug.DebugLogger.debugEnabled;
import static org.opends.messages.CoreMessages.*;
import static org.opends.server.util.StaticUtils.*;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import org.opends.server.api.ClientConnection;
import org.opends.server.api.plugin.PluginResult;
import org.opends.server.core.networkgroups.NetworkGroup;
import org.opends.server.loggers.debug.DebugLogger;
import org.opends.server.loggers.debug.DebugTracer;
import org.opends.server.types.*;
import org.opends.server.types.operation.PostResponseCompareOperation;
import org.opends.server.types.operation.PreParseCompareOperation;
import org.opends.server.workflowelement.localbackend.
LocalBackendCompareOperation;
/**
* This class defines an operation that may be used to determine whether a
* specified entry in the Directory Server contains a given attribute-value
* pair.
*/
public class CompareOperationBasis
extends AbstractOperation
implements PreParseCompareOperation, CompareOperation,
Runnable, PostResponseCompareOperation
{
/**
* The tracer object for the debug logger.
*/
private static final DebugTracer TRACER = DebugLogger.getTracer();
// The attribute type for this compare operation.
private AttributeType attributeType;
// The assertion value for the compare operation.
private ByteString assertionValue;
// The set of attribute options
private Set<String> attributeOptions;
// The raw, unprocessed entry DN as included in the client request.
private ByteString rawEntryDN;
// The DN of the entry for the compare operation.
private DN entryDN;
// The proxied authorization target DN for this operation.
private DN proxiedAuthorizationDN;
// The set of response controls for this compare operation.
private List<Control> responseControls;
// The attribute type for the compare operation.
private String rawAttributeType;
/**
* Creates a new compare 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 rawEntryDN The raw, unprocessed entry DN as provided in the
* client request. This may or may not be a valid
* DN as no validation will have been performed yet.
* @param rawAttributeType The raw attribute type for the compare operation.
* @param assertionValue The assertion value for the compare operation.
*/
public CompareOperationBasis(
ClientConnection clientConnection, long operationID,
int messageID, List<Control> requestControls,
ByteString rawEntryDN, String rawAttributeType,
ByteString assertionValue)
{
super(clientConnection, operationID, messageID, requestControls);
this.rawEntryDN = rawEntryDN;
this.rawAttributeType = rawAttributeType;
this.assertionValue = assertionValue;
responseControls = new ArrayList<Control>();
entryDN = null;
attributeType = null;
attributeOptions = null;
cancelRequest = null;
proxiedAuthorizationDN = null;
}
/**
* Creates a new compare 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 entryDN The entry DN for this compare operation.
* @param attributeType The attribute type for this compare operation.
* @param assertionValue The assertion value for the compare operation.
*/
public CompareOperationBasis(
ClientConnection clientConnection, long operationID,
int messageID, List<Control> requestControls,
DN entryDN, AttributeType attributeType,
ByteString assertionValue)
{
super(clientConnection, operationID, messageID, requestControls);
this.entryDN = entryDN;
this.attributeType = attributeType;
this.assertionValue = assertionValue;
responseControls = new ArrayList<Control>();
rawEntryDN = ByteString.valueOf(entryDN.toString());
rawAttributeType = attributeType.getNameOrOID();
cancelRequest = null;
proxiedAuthorizationDN = null;
attributeOptions = new HashSet<String>();
}
/**
* {@inheritDoc}
*/
public final ByteString getRawEntryDN()
{
return rawEntryDN;
}
/**
* {@inheritDoc}
*/
public final void setRawEntryDN(ByteString rawEntryDN)
{
this.rawEntryDN = rawEntryDN;
entryDN = null;
}
/**
* {@inheritDoc}
*/
public final DN getEntryDN()
{
if (entryDN == null) {
try
{
entryDN = DN.decode(rawEntryDN);
}
catch (DirectoryException de)
{
if (debugEnabled())
{
TRACER.debugCaught(DebugLogLevel.ERROR, de);
}
setResultCode(de.getResultCode());
appendErrorMessage(de.getMessageObject());
}
}
return entryDN;
}
/**
* {@inheritDoc}
*/
public final String getRawAttributeType()
{
return rawAttributeType;
}
/**
* {@inheritDoc}
*/
public final void setRawAttributeType(String rawAttributeType)
{
this.rawAttributeType = rawAttributeType;
attributeType = null;
attributeOptions = null;
}
private void getAttributeTypeAndOptions() {
String baseName;
int semicolonPos = rawAttributeType.indexOf(';');
if (semicolonPos > 0) {
baseName = toLowerCase(rawAttributeType.substring(0, semicolonPos));
attributeOptions = new HashSet<String>();
int nextPos = rawAttributeType.indexOf(';', semicolonPos+1);
while (nextPos > 0)
{
attributeOptions.add(
rawAttributeType.substring(semicolonPos+1, nextPos));
semicolonPos = nextPos;
nextPos = rawAttributeType.indexOf(';', semicolonPos+1);
}
attributeOptions.add(rawAttributeType.substring(semicolonPos+1));
}
else
{
baseName = toLowerCase(rawAttributeType);
attributeOptions = null;
}
attributeType = DirectoryServer.getAttributeType(baseName, true);
}
/**
* {@inheritDoc}
*/
public final AttributeType getAttributeType()
{
if (attributeType == null) {
getAttributeTypeAndOptions();
}
return attributeType;
}
/**
* {@inheritDoc}
*/
public void setAttributeType(AttributeType attributeType)
{
this.attributeType = attributeType;
}
/**
* {@inheritDoc}
*/
public Set<String> getAttributeOptions()
{
if (attributeOptions == null) {
getAttributeTypeAndOptions();
}
return attributeOptions;
}
/**
* {@inheritDoc}
*/
public void setAttributeOptions(Set<String> attributeOptions)
{
this.attributeOptions = attributeOptions;
}
/**
* {@inheritDoc}
*/
public final ByteString getAssertionValue()
{
return assertionValue;
}
/**
* {@inheritDoc}
*/
public final void setAssertionValue(ByteString assertionValue)
{
this.assertionValue = assertionValue;
}
/**
* {@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.COMPARE;
}
/**
* {@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_ENTRY_DN, String.valueOf(rawEntryDN) },
new String[] { LOG_ELEMENT_COMPARE_ATTR, rawAttributeType }
};
}
/**
* {@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;
MessageBuilder 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(getProcessingTime());
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_PROCESSING_TIME, processingTime }
};
}
/**
* Retrieves the proxied authorization DN for this operation if proxied
* authorization has been requested.
*
* @return The proxied authorization DN for this operation if proxied
* authorization has been requested, or {@code null} if proxied
* authorization has not been requested.
*/
public DN getProxiedAuthorizationDN()
{
return proxiedAuthorizationDN;
}
/**
* {@inheritDoc}
*/
public void setProxiedAuthorizationDN(DN proxiedAuthorizationDN)
{
this.proxiedAuthorizationDN = proxiedAuthorizationDN;
}
/**
* {@inheritDoc}
*/
@Override()
public final List<Control> 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);
}
/**
* Performs the work of actually processing this operation. This
* should include all processing for the operation, including
* invoking plugins, logging messages, performing access control,
* managing synchronization, and any other work that might need to
* be done in the course of processing.
*/
public final void run()
{
setResultCode(ResultCode.UNDEFINED);
// Start the processing timer.
setProcessingStartTime();
// Log the compare request message.
logCompareRequest(this);
// Get the plugin config manager that will be used for invoking plugins.
PluginConfigManager pluginConfigManager =
DirectoryServer.getPluginConfigManager();
// This flag is set to true as soon as a workflow has been executed.
boolean workflowExecuted = false;
try
{
// Check for and handle a request to cancel this operation.
checkIfCanceled(false);
// Invoke the pre-parse compare plugins.
PluginResult.PreParse preParseResult =
pluginConfigManager.invokePreParseComparePlugins(this);
if(!preParseResult.continueProcessing())
{
setResultCode(preParseResult.getResultCode());
appendErrorMessage(preParseResult.getErrorMessage());
setMatchedDN(preParseResult.getMatchedDN());
setReferralURLs(preParseResult.getReferralURLs());
return;
}
// Check for a request to cancel this operation.
checkIfCanceled(false);
// Process the entry DN to convert it from the raw form to the form
// required for the rest of the compare processing.
try
{
if (entryDN == null)
{
entryDN = DN.decode(rawEntryDN);
}
}
catch (DirectoryException de)
{
if (debugEnabled())
{
TRACER.debugCaught(DebugLogLevel.ERROR, de);
}
setResultCode(de.getResultCode());
appendErrorMessage(de.getMessageObject());
return;
}
// Retrieve the network group registered with the client connection
// and get a workflow to process the operation.
NetworkGroup ng = getClientConnection().getNetworkGroup();
Workflow workflow = ng.getWorkflowCandidate(entryDN);
if (workflow == null)
{
// We have found no workflow for the requested base DN, just return
// a no such entry result code and stop the processing.
updateOperationErrMsgAndResCode();
return;
}
workflow.execute(this);
workflowExecuted = true;
}
catch(CanceledOperationException coe)
{
if (debugEnabled())
{
TRACER.debugCaught(DebugLogLevel.ERROR, coe);
}
setResultCode(ResultCode.CANCELED);
cancelResult = new CancelResult(ResultCode.CANCELED, null);
appendErrorMessage(coe.getCancelRequest().getCancelReason());
}
finally
{
// Stop the processing timer.
setProcessingStopTime();
// Log the compare response message.
logCompareResponse(this);
if(cancelRequest == null || cancelResult == null ||
cancelResult.getResultCode() != ResultCode.CANCELED ||
cancelRequest.notifyOriginalRequestor() ||
DirectoryServer.notifyAbandonedOperations())
{
clientConnection.sendResponse(this);
}
// Invoke the post-response compare plugins.
invokePostResponsePlugins(workflowExecuted);
// If no cancel result, set it
if(cancelResult == null)
{
cancelResult = new CancelResult(ResultCode.TOO_LATE, null);
}
}
}
/**
* Invokes the post response plugins. If a workflow has been executed
* then invoke the post response plugins provided by the workflow
* elements of the worklfow, otherwise invoke the post reponse plugins
* that have been registered with the current operation.
*
* @param workflowExecuted <code>true</code> if a workflow has been
* executed
*/
private void invokePostResponsePlugins(boolean workflowExecuted)
{
// Get the plugin config manager that will be used for invoking plugins.
PluginConfigManager pluginConfigManager =
DirectoryServer.getPluginConfigManager();
// Invoke the post response plugins
if (workflowExecuted)
{
// Invoke the post response plugins that have been registered by
// the workflow elements
List localOperations =
(List)getAttachment(Operation.LOCALBACKENDOPERATIONS);
if (localOperations != null)
{
for (Object localOp : localOperations)
{
LocalBackendCompareOperation localOperation =
(LocalBackendCompareOperation)localOp;
pluginConfigManager.invokePostResponseComparePlugins(localOperation);
}
}
}
else
{
// Invoke the post response plugins that have been registered with
// the current operation
pluginConfigManager.invokePostResponseComparePlugins(this);
}
}
/**
* Updates the error message and the result code of the operation.
*
* This method is called because no workflow was found to process
* the operation.
*/
private void updateOperationErrMsgAndResCode()
{
setResultCode(ResultCode.NO_SUCH_OBJECT);
appendErrorMessage(
ERR_COMPARE_NO_SUCH_ENTRY.get(String.valueOf(getEntryDN())));
}
/**
* {@inheritDoc}
*/
@Override()
public final void toString(StringBuilder buffer)
{
buffer.append("CompareOperation(connID=");
buffer.append(clientConnection.getConnectionID());
buffer.append(", opID=");
buffer.append(operationID);
buffer.append(", dn=");
buffer.append(rawEntryDN);
buffer.append(", attr=");
buffer.append(rawAttributeType);
buffer.append(")");
}
/**
* {@inheritDoc}
*
* This method always returns null.
*/
public Entry getEntryToCompare()
{
return null;
}
}