eagle-security/eagle-security-common/src/main/java/org/apache/eagle/security/hdfs/MAPRFSAuditLogParser.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */
package org.apache.eagle.security.hdfs;

import org.apache.eagle.common.DateTimeUtil;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public final class MAPRFSAuditLogParser {
    private final static Logger LOG = LoggerFactory.getLogger(MAPRFSAuditLogParser.class);

    public MAPRFSAuditLogParser() {
    }

    public MAPRFSAuditLogObject parse(String log) throws JSONException {
        JSONObject jsonObject = new JSONObject(log);
        MAPRFSAuditLogObject entity = new MAPRFSAuditLogObject();
        try {
            String timestamp = jsonObject.getJSONObject("timestamp").getString("$date");
            String cmd = jsonObject.getString("operation");
            String user = jsonObject.getString("uid");
            String ip = jsonObject.getString("ipAddress");
            String status = jsonObject.getString("status");
            String volumeID = jsonObject.getString("volumeId");
            String src;
            String dst;
            if (jsonObject.has("srcFid")) {
                src = jsonObject.getString("srcFid");
            } else {
                src = "null";
            }

            if (jsonObject.has("dstFid")) {
                dst = jsonObject.getString("dstFid");
            } else {
                dst = "null";
            }
            entity.user = user;
            entity.cmd = cmd;
            entity.src = src;
            entity.dst = dst;
            entity.host = ip;
            entity.status = status;
            entity.volume = volumeID;
            entity.timestamp = DateTimeUtil.maprhumanDateToMilliseconds(timestamp);
        } catch (Exception e) {
            LOG.error("Failed to parse mapr audit log message", e);
        }
        return entity;
    }
}