QLDBAuditModel.java

package com.uid2.shared.audit;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.databind.ObjectMapper;
import io.vertx.core.json.JsonObject;

import java.io.IOException;

public class QLDBAuditModel implements IAuditModel{

    /**
     * The table that the user accesses.
     */
    @JsonIgnore
    public final Type itemType;
    /**
     * An identifier for the row in the table that is accessed. Is null if more than one row is accessed at the same
     * time, e.g. listing all values in a table. If itemKey should be secret, hash before putting it into the model.
     */
    @JsonIgnore
    public final String itemKey;
    /**
     * Describes the action the user performed on the table (e.g. read ("GET"), write ("CREATE"/"DELETE")...)
     */
    public final Actions actionTaken;
    /**
     * The IP of the user making the HTTP request.
     */
    public final String clientIP;
    /**
     * The email of the user making the HTTP request.
     */
    public final String userEmail;
    /**
     * The server that processed the HTTP request.
     */
    public final String hostNode;
    /**
     * The time that the HTTP request was received by the server.
     */
    public final long timeEpochSecond;
    /**
     * The hash of the entire item being accessed/modified by the user. Is null if more than one
     * row is accessed at the same time (which should only be get/list queries; otherwise make multiple
     * queries).
     */
    public final String itemHash;
    /**
     * Names the exact operation done to the item (e.g. rekeyed, revealed, disabled, etc.)
     */
    public final String summary;

    public QLDBAuditModel(Type itemType, String itemKey, Actions actionTaken, String clientIP,
                          String userEmail, String hostNode, long timeEpochSecond, String itemHash, String summary){
        this.itemType = itemType;
        this.itemKey = itemKey;
        this.actionTaken = actionTaken;
        this.clientIP = clientIP;
        this.userEmail = userEmail;
        this.hostNode = hostNode;
        this.timeEpochSecond = timeEpochSecond;
        this.itemHash = itemHash;
        this.summary = summary;
    }

    @Override
    public JsonObject writeToJson() {
        ObjectMapper mapper = new ObjectMapper();
        JsonObject jo;
        try {
            jo = new JsonObject(mapper.writeValueAsString(this));
        }
        catch(IOException e){
            e.printStackTrace();
            jo = new JsonObject();
        }
        JsonObject outerJo = new JsonObject();
        outerJo.put("itemType", itemType);
        outerJo.put("itemKey", itemKey);
        outerJo.put("data", jo);
        return outerJo;
    }

    @Override
    public String writeToString() {
        return writeToJson().toString();
    }
}