/**
* Copyright (c) 2009 - 2012 Red Hat, Inc.
*
* This software is licensed to you under the GNU General Public License,
* version 2 (GPLv2). There is NO WARRANTY for this software, express or
* implied, including the implied warranties of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
* along with this software; if not, see
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
*
* Red Hat trademarks are not licensed under GPLv2. No permission is
* granted to use or replicate Red Hat trademarks that are incorporated
* in this software or its documentation.
*/
package org.candlepin.audit;
import org.candlepin.common.config.Configuration;
import org.candlepin.config.ConfigProperties;
import com.google.inject.Inject;
import org.slf4j.LoggerFactory;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.encoder.PatternLayoutEncoder;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.FileAppender;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.TimeZone;
/**
* LoggingListener
*
* Since we are actually adjusting logging configuration, we have to access the
* underlying logger implementation instead of going through slf4j.
*
* See http://slf4j.org/faq.html#when
*/
public class LoggingListener implements EventListener {
private static Logger auditLog;
private boolean verbose;
private final DateFormat df;
@Inject
public LoggingListener(Configuration config) {
LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
auditLog = lc.getLogger(LoggingListener.class.getCanonicalName() + ".AuditLog");
PatternLayoutEncoder encoder = new PatternLayoutEncoder();
encoder.setContext(lc);
encoder.setPattern("%m");
encoder.start();
FileAppender<ILoggingEvent> appender = new FileAppender<ILoggingEvent>();
appender.setFile(config.getString(ConfigProperties.AUDIT_LOG_FILE));
appender.setEncoder(encoder);
appender.setName("AUDITLOG");
appender.setContext(lc);
appender.start();
auditLog.addAppender(appender);
// Keep these messages in audit.log only
auditLog.setAdditive(false);
verbose = config.getBoolean(ConfigProperties.AUDIT_LOG_VERBOSE);
TimeZone tz = TimeZone.getDefault();
// Format for ISO8601 to match our other logging:
df = new SimpleDateFormat("yyyy-MM-dd' 'HH:mm:ssZ");
df.setTimeZone(tz);
}
@Override
public void onEvent(Event e) {
auditLog.info(
"{} principalType={} principal={} target={} entityId={} type={} owner={}\n",
new Object[] {
df.format(e.getTimestamp()),
e.getPrincipal().getType(),
e.getPrincipal().getName(),
e.getTarget(),
e.getEntityId(),
e.getType(),
e.getOwnerId()}
);
if (verbose) {
auditLog.info(String.format("==OLD==\n%s\n==NEW==\n%s\n\n", e.getOldEntity(),
e.getNewEntity()));
}
}
}