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/*
* Copyright 2022 Ping Identity Corporation
* All Rights Reserved.
*/
/*
* Copyright 2022 Ping Identity Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Copyright (C) 2022 Ping Identity Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License (GPLv2 only)
* or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see .
*/
package com.unboundid.ldap.sdk.unboundidds.logs.v2.json;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import com.unboundid.ldap.sdk.unboundidds.logs.AccessLogMessageType;
import com.unboundid.ldap.sdk.unboundidds.logs.AccessLogOperationType;
import com.unboundid.ldap.sdk.unboundidds.logs.LogException;
import com.unboundid.ldap.sdk.unboundidds.logs.v2.AccessLogReader;
import com.unboundid.util.Debug;
import com.unboundid.util.NotNull;
import com.unboundid.util.Nullable;
import com.unboundid.util.StaticUtils;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;
import com.unboundid.util.json.JSONException;
import com.unboundid.util.json.JSONObject;
import com.unboundid.util.json.JSONObjectReader;
import static com.unboundid.ldap.sdk.unboundidds.logs.v2.json.JSONLogMessages.*;
/**
* This class provides a mechanism for reading JSON-formatted access log
* messages.
*
*
* NOTE: This class, and other classes within the
* {@code com.unboundid.ldap.sdk.unboundidds} package structure, are only
* supported for use against Ping Identity, UnboundID, and
* Nokia/Alcatel-Lucent 8661 server products. These classes provide support
* for proprietary functionality or for external specifications that are not
* considered stable or mature enough to be guaranteed to work in an
* interoperable way with other types of LDAP servers.
*
*/
@ThreadSafety(level=ThreadSafetyLevel.NOT_THREADSAFE)
public final class JSONAccessLogReader
implements AccessLogReader
{
// The JSON object reader that will be used to read log messages.
@NotNull private final JSONObjectReader jsonObjectReader;
/**
* Creates a new JSON access log reader that will read JSON-formatted access
* log messages from the specified file.
*
* @param logFilePath The path to the log file from which the access log
* messages will be read. It must not be {@code null}.
*
* @throws IOException If a problem occurs while opening the specified file
* for reading.
*/
public JSONAccessLogReader(@NotNull final String logFilePath)
throws IOException
{
this(new File(logFilePath));
}
/**
* Creates a new JSON access log reader that will read JSON-formatted access
* log messages from the specified file.
*
* @param logFile The log file from which the access log messages will be
* read. It must not be {@code null}.
*
* @throws IOException If a problem occurs while opening the specified file
* for reading.
*/
public JSONAccessLogReader(@NotNull final File logFile)
throws IOException
{
this(new FileInputStream(logFile));
}
/**
* Creates a new JSON access log reader that will read JSON-formatted access
* log messages from the provided input stream.
*
* @param inputStream The input stream from which the access log messages
* will be read. It must not be {@code null}.
*/
public JSONAccessLogReader(@NotNull final InputStream inputStream)
{
jsonObjectReader = new JSONObjectReader(inputStream);
}
/**
* {@inheritDoc}
*/
@Override()
@Nullable()
public JSONAccessLogMessage readMessage()
throws IOException, LogException
{
// Read the next JSON object from the log. If this fails, then throw an
// IOException to indicate that we can't continue reading.
final JSONObject messageObject;
try
{
messageObject = jsonObjectReader.readObject();
}
catch (final JSONException e)
{
Debug.debugException(e);
throw new IOException(
ERR_JSON_ACCESS_LOG_READER_NOT_VALID_JSON.get(
StaticUtils.getExceptionMessage(e)),
e);
}
if (messageObject == null)
{
return null;
}
return parseMessage(messageObject);
}
/**
* Parses the contents of the provided JSON object as a JSON-formatted access
* log message.
*
* @param messageObject The JSON object to parse as an access log message.
* It must not be {@code null}.
*
* @return The parsed access log message.
*
* @throws LogException If the provided JSON object cannot be parsed as a
* valid access log message.
*/
@NotNull()
public static JSONAccessLogMessage parseMessage(
@NotNull final JSONObject messageObject)
throws LogException
{
// Determine the message type for the log message.
final String messageTypeStr = messageObject.getFieldAsString(
JSONFormattedAccessLogFields.MESSAGE_TYPE.getFieldName());
if (messageTypeStr == null)
{
final String messageStr = messageObject.toSingleLineString();
throw new LogException(messageStr,
ERR_JSON_ACCESS_LOG_READER_MISSING_MESSAGE_TYPE.get(messageStr,
JSONFormattedAccessLogFields.MESSAGE_TYPE.getFieldName()));
}
final AccessLogMessageType messageType =
AccessLogMessageType.forName(messageTypeStr);
if (messageType == null)
{
final String messageStr = messageObject.toSingleLineString();
throw new LogException(messageStr,
ERR_JSON_ACCESS_LOG_READER_UNSUPPORTED_MESSAGE_TYPE.get(messageStr,
messageTypeStr));
}
switch (messageType)
{
case CONNECT:
return new JSONConnectAccessLogMessage(messageObject);
case DISCONNECT:
return new JSONDisconnectAccessLogMessage(messageObject);
case SECURITY_NEGOTIATION:
return new JSONSecurityNegotiationAccessLogMessage(messageObject);
case CLIENT_CERTIFICATE:
return new JSONClientCertificateAccessLogMessage(messageObject);
case ENTRY_REBALANCING_REQUEST:
return new JSONEntryRebalancingRequestAccessLogMessage(messageObject);
case ENTRY_REBALANCING_RESULT:
return new JSONEntryRebalancingResultAccessLogMessage(messageObject);
case ENTRY:
return new JSONSearchEntryAccessLogMessage(messageObject);
case REFERENCE:
return new JSONSearchReferenceAccessLogMessage(messageObject);
case INTERMEDIATE_RESPONSE:
return new JSONIntermediateResponseAccessLogMessage(messageObject);
case REQUEST:
return createRequestMessage(messageObject);
case RESULT:
return createResultMessage(messageObject);
case FORWARD:
return createForwardMessage(messageObject);
case FORWARD_FAILED:
return createForwardFailedMessage(messageObject);
case ASSURANCE_COMPLETE:
return createAssuranceCompleteMessage(messageObject);
default:
final String messageStr = messageObject.toSingleLineString();
throw new LogException(messageStr,
ERR_JSON_ACCESS_LOG_READER_UNSUPPORTED_MESSAGE_TYPE.get(messageStr,
messageTypeStr));
}
}
/**
* Creates a new request access log message from the provided JSON object.
*
* @param messageObject The JSON object containing an encoded representation
* of a request access log message. It must not be
* {@code null}.
*
* @return The request access log message that was created.
*
* @throws LogException If the provided JSON object cannot be decoded as a
* valid request access log message.
*/
@NotNull()
private static JSONAccessLogMessage createRequestMessage(
@NotNull final JSONObject messageObject)
throws LogException
{
final AccessLogOperationType operationType =
getOperationType(messageObject);
switch (operationType)
{
case ABANDON:
return new JSONAbandonRequestAccessLogMessage(messageObject);
case ADD:
return new JSONAddRequestAccessLogMessage(messageObject);
case BIND:
return new JSONBindRequestAccessLogMessage(messageObject);
case COMPARE:
return new JSONCompareRequestAccessLogMessage(messageObject);
case DELETE:
return new JSONDeleteRequestAccessLogMessage(messageObject);
case EXTENDED:
return new JSONExtendedRequestAccessLogMessage(messageObject);
case MODIFY:
return new JSONModifyRequestAccessLogMessage(messageObject);
case MODDN:
return new JSONModifyDNRequestAccessLogMessage(messageObject);
case SEARCH:
return new JSONSearchRequestAccessLogMessage(messageObject);
case UNBIND:
return new JSONUnbindRequestAccessLogMessage(messageObject);
default:
final String messageStr = messageObject.toSingleLineString();
throw new LogException(messageStr,
ERR_JSON_ACCESS_LOG_READER_UNSUPPORTED_REQUEST_OP_TYPE.get(
messageStr, operationType.getLogIdentifier()));
}
}
/**
* Creates a new result access log message from the provided JSON object.
*
* @param messageObject The JSON object containing an encoded representation
* of a result access log message. It must not be
* {@code null}.
*
* @return The result access log message that was created.
*
* @throws LogException If the provided JSON object cannot be decoded as a
* valid result access log message.
*/
@NotNull()
private static JSONAccessLogMessage createResultMessage(
@NotNull final JSONObject messageObject)
throws LogException
{
final AccessLogOperationType operationType =
getOperationType(messageObject);
switch (operationType)
{
case ABANDON:
return new JSONAbandonResultAccessLogMessage(messageObject);
case ADD:
return new JSONAddResultAccessLogMessage(messageObject);
case BIND:
return new JSONBindResultAccessLogMessage(messageObject);
case COMPARE:
return new JSONCompareResultAccessLogMessage(messageObject);
case DELETE:
return new JSONDeleteResultAccessLogMessage(messageObject);
case EXTENDED:
return new JSONExtendedResultAccessLogMessage(messageObject);
case MODIFY:
return new JSONModifyResultAccessLogMessage(messageObject);
case MODDN:
return new JSONModifyDNResultAccessLogMessage(messageObject);
case SEARCH:
return new JSONSearchResultAccessLogMessage(messageObject);
case UNBIND:
default:
final String messageStr = messageObject.toSingleLineString();
throw new LogException(messageStr,
ERR_JSON_ACCESS_LOG_READER_UNSUPPORTED_RESULT_OP_TYPE.get(
messageStr, operationType.getLogIdentifier()));
}
}
/**
* Creates a new forward access log message from the provided JSON object.
*
* @param messageObject The JSON object containing an encoded representation
* of a forward access log message. It must not be
* {@code null}.
*
* @return The forward access log message that was created.
*
* @throws LogException If the provided JSON object cannot be decoded as a
* valid forward access log message.
*/
@NotNull()
private static JSONAccessLogMessage createForwardMessage(
@NotNull final JSONObject messageObject)
throws LogException
{
final AccessLogOperationType operationType =
getOperationType(messageObject);
switch (operationType)
{
case ABANDON:
return new JSONAbandonForwardAccessLogMessage(messageObject);
case ADD:
return new JSONAddForwardAccessLogMessage(messageObject);
case BIND:
return new JSONBindForwardAccessLogMessage(messageObject);
case COMPARE:
return new JSONCompareForwardAccessLogMessage(messageObject);
case DELETE:
return new JSONDeleteForwardAccessLogMessage(messageObject);
case EXTENDED:
return new JSONExtendedForwardAccessLogMessage(messageObject);
case MODIFY:
return new JSONModifyForwardAccessLogMessage(messageObject);
case MODDN:
return new JSONModifyDNForwardAccessLogMessage(messageObject);
case SEARCH:
return new JSONSearchForwardAccessLogMessage(messageObject);
case UNBIND:
default:
final String messageStr = messageObject.toSingleLineString();
throw new LogException(messageStr,
ERR_JSON_ACCESS_LOG_READER_UNSUPPORTED_FORWARD_OP_TYPE.get(
messageStr, operationType.getLogIdentifier()));
}
}
/**
* Creates a new forward failed access log message from the provided JSON
* object.
*
* @param messageObject The JSON object containing an encoded representation
* of a forward failed access log message. It must not
* be {@code null}.
*
* @return The forward failed access log message that was created.
*
* @throws LogException If the provided JSON object cannot be decoded as a
* valid forward failed access log message.
*/
@NotNull()
private static JSONAccessLogMessage createForwardFailedMessage(
@NotNull final JSONObject messageObject)
throws LogException
{
final AccessLogOperationType operationType =
getOperationType(messageObject);
switch (operationType)
{
case ABANDON:
return new JSONAbandonForwardFailedAccessLogMessage(messageObject);
case ADD:
return new JSONAddForwardFailedAccessLogMessage(messageObject);
case BIND:
return new JSONBindForwardFailedAccessLogMessage(messageObject);
case COMPARE:
return new JSONCompareForwardFailedAccessLogMessage(messageObject);
case DELETE:
return new JSONDeleteForwardFailedAccessLogMessage(messageObject);
case EXTENDED:
return new JSONExtendedForwardFailedAccessLogMessage(messageObject);
case MODIFY:
return new JSONModifyForwardFailedAccessLogMessage(messageObject);
case MODDN:
return new JSONModifyDNForwardFailedAccessLogMessage(messageObject);
case SEARCH:
return new JSONSearchForwardFailedAccessLogMessage(messageObject);
case UNBIND:
default:
final String messageStr = messageObject.toSingleLineString();
throw new LogException(messageStr,
ERR_JSON_ACCESS_LOG_READER_UNSUPPORTED_FORWARD_FAILED_OP_TYPE.get(
messageStr, operationType.getLogIdentifier()));
}
}
/**
* Creates a new assurance complete access log message from the provided JSON
* object.
*
* @param messageObject The JSON object containing an encoded representation
* of a assurance complete access log message. It must
* not be {@code null}.
*
* @return The assurance complete access log message that was created.
*
* @throws LogException If the provided JSON object cannot be decoded as a
* valid assurance complete access log message.
*/
@NotNull()
private static JSONAccessLogMessage createAssuranceCompleteMessage(
@NotNull final JSONObject messageObject)
throws LogException
{
final AccessLogOperationType operationType =
getOperationType(messageObject);
switch (operationType)
{
case ADD:
return new JSONAddAssuranceCompletedAccessLogMessage(messageObject);
case DELETE:
return new JSONDeleteAssuranceCompletedAccessLogMessage(messageObject);
case MODIFY:
return new JSONModifyAssuranceCompletedAccessLogMessage(messageObject);
case MODDN:
return new JSONModifyDNAssuranceCompletedAccessLogMessage(
messageObject);
case ABANDON:
case BIND:
case COMPARE:
case EXTENDED:
case SEARCH:
case UNBIND:
default:
final String messageStr = messageObject.toSingleLineString();
throw new LogException(messageStr,
ERR_JSON_ACCESS_LOG_READER_UNSUPPORTED_ASSURANCE_COMPLETED_OP_TYPE.
get(messageStr, operationType.getLogIdentifier()));
}
}
/**
* Determines the operation type for the JSON-formatted access log message
* encoded in the provided JSON object.
*
* @param messageObject The JSON object containing an encoded representation
* of an access log message. It must not be
* {@code null}.
*
* @return The operation type extracted from the provided JSON object.
*
* @throws LogException If it is not possible to extract a valid operation
* type from the provided JSON object.
*/
@NotNull()
private static AccessLogOperationType getOperationType(
@NotNull final JSONObject messageObject)
throws LogException
{
final String opTypeStr = messageObject.getFieldAsString(
JSONFormattedAccessLogFields.OPERATION_TYPE.getFieldName());
if (opTypeStr == null)
{
final String messageStr = messageObject.toSingleLineString();
throw new LogException(messageStr,
ERR_JSON_ACCESS_LOG_READER_MISSING_OPERATION_TYPE.get(messageStr,
JSONFormattedAccessLogFields.OPERATION_TYPE.getFieldName()));
}
final AccessLogOperationType opType =
AccessLogOperationType.forName(opTypeStr);
if (opType == null)
{
final String messageStr = messageObject.toSingleLineString();
throw new LogException(messageStr,
ERR_JSON_ACCESS_LOG_READER_UNSUPPORTED_OPERATION_TYPE.get(messageStr,
opTypeStr));
}
return opType;
}
/**
* {@inheritDoc}
*/
@Override()
public void close()
throws IOException
{
jsonObjectReader.close();
}
}
