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org.owasp.esapi.logging.log4j.Log4JLogFactory Maven / Gradle / Ivy
/**
* OWASP Enterprise Security API (ESAPI)
*
* This file is part of the Open Web Application Security Project (OWASP)
* Enterprise Security API (ESAPI) project. For details, please see
* http://www.owasp.org/index.php/ESAPI .
*
* Copyright (c) 2007 - The OWASP Foundation
*
* The ESAPI is published by OWASP under the BSD license. You should read and accept the
* LICENSE before you use, modify, and/or redistribute this software.
*
* @created 2019
*/
package org.owasp.esapi.logging.log4j;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.owasp.esapi.ESAPI;
import org.owasp.esapi.LogFactory;
import org.owasp.esapi.Logger;
import org.owasp.esapi.codecs.HTMLEntityCodec;
import org.owasp.esapi.logging.appender.LogAppender;
import org.owasp.esapi.logging.appender.LogPrefixAppender;
import org.owasp.esapi.logging.cleaning.CodecLogScrubber;
import org.owasp.esapi.logging.cleaning.CompositeLogScrubber;
import org.owasp.esapi.logging.cleaning.LogScrubber;
import org.owasp.esapi.logging.cleaning.NewlineLogScrubber;
import org.owasp.esapi.reference.DefaultSecurityConfiguration;
/**
* LogFactory implementation which creates Log4J supporting Loggers.
*
*/
@Deprecated
public class Log4JLogFactory implements LogFactory {
/** Immune characters for the codec log scrubber for JAVA context.*/
private static final char[] IMMUNE_LOG4J_HTML = {',', '.', '-', '_', ' ' };
/** Codec being used to clean messages for logging.*/
private static final HTMLEntityCodec HTML_CODEC = new HTMLEntityCodec();
/** Log appender instance.*/
private static LogAppender Log4J_LOG_APPENDER;
/** Log cleaner instance.*/
private static LogScrubber Log4J_LOG_SCRUBBER;
/** Bridge class for mapping esapi -> log4j log levels.*/
private static Log4JLogBridge LOG_BRIDGE;
static {
boolean encodeLog = ESAPI.securityConfiguration().getBooleanProp(DefaultSecurityConfiguration.LOG_ENCODING_REQUIRED);
Log4J_LOG_SCRUBBER = createLogScrubber(encodeLog);
boolean logUserInfo = ESAPI.securityConfiguration().getBooleanProp(DefaultSecurityConfiguration.LOG_USER_INFO);
boolean logClientInfo = ESAPI.securityConfiguration().getBooleanProp(DefaultSecurityConfiguration.LOG_CLIENT_INFO);
boolean logApplicationName = ESAPI.securityConfiguration().getBooleanProp(DefaultSecurityConfiguration.LOG_APPLICATION_NAME);
String appName = ESAPI.securityConfiguration().getStringProp(DefaultSecurityConfiguration.APPLICATION_NAME);
boolean logServerIp = ESAPI.securityConfiguration().getBooleanProp(DefaultSecurityConfiguration.LOG_SERVER_IP);
Log4J_LOG_APPENDER = createLogAppender(logUserInfo, logClientInfo, logServerIp, logApplicationName, appName);
Map levelLookup = new HashMap<>();
levelLookup.put(Logger.ALL, Log4JLogLevelHandlers.TRACE);
levelLookup.put(Logger.TRACE, Log4JLogLevelHandlers.TRACE);
levelLookup.put(Logger.DEBUG, Log4JLogLevelHandlers.DEBUG);
levelLookup.put(Logger.INFO, Log4JLogLevelHandlers.INFO);
levelLookup.put(Logger.ERROR, Log4JLogLevelHandlers.ERROR);
levelLookup.put(Logger.WARNING, Log4JLogLevelHandlers.WARN);
levelLookup.put(Logger.FATAL, Log4JLogLevelHandlers.FATAL);
//LEVEL.OFF not used. If it's off why would we try to log it?
LOG_BRIDGE = new Log4JLogBridgeImpl(Log4J_LOG_APPENDER, Log4J_LOG_SCRUBBER, levelLookup);
}
/**
* Populates the default log scrubber for use in factory-created loggers.
* @param requiresEncoding {@code true} if encoding is required for log content.
* @return LogScrubber instance.
*/
/*package*/ static LogScrubber createLogScrubber(boolean requiresEncoding) {
List messageScrubber = new ArrayList<>();
messageScrubber.add(new NewlineLogScrubber());
if (requiresEncoding) {
messageScrubber.add(new CodecLogScrubber(HTML_CODEC, IMMUNE_LOG4J_HTML));
}
return new CompositeLogScrubber(messageScrubber);
}
/**
* Populates the default log appender for use in factory-created loggers.
* @param appName
* @param logApplicationName
* @param logServerIp
* @param logClientInfo
*
* @return LogAppender instance.
*/
/*package*/ static LogAppender createLogAppender(boolean logUserInfo, boolean logClientInfo, boolean logServerIp, boolean logApplicationName, String appName) {
return new LogPrefixAppender(logUserInfo, logClientInfo, logServerIp, logApplicationName, appName);
}
@Override
public Logger getLogger(String moduleName) {
org.apache.log4j.Logger log4JLogger = org.apache.log4j.Logger.getLogger(moduleName);
return new Log4JLogger(log4JLogger, LOG_BRIDGE, Logger.ALL);
}
@Override
public Logger getLogger(@SuppressWarnings("rawtypes") Class clazz) {
org.apache.log4j.Logger log4JLogger = org.apache.log4j.Logger.getLogger(clazz);
return new Log4JLogger(log4JLogger, LOG_BRIDGE, Logger.ALL);
}
}