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/*-
* ============LICENSE_START=======================================================
* ONAP-PDP-REST
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.pdp.rest.api.services;
import javax.json.JsonException;
import javax.json.JsonObject;
import org.onap.policy.api.PolicyException;
import org.onap.policy.api.PolicyParameters;
import org.onap.policy.common.logging.flexlogger.FlexLogger;
import org.onap.policy.common.logging.flexlogger.Logger;
import org.onap.policy.pdp.rest.api.utils.PolicyApiUtils;
import org.onap.policy.xacml.api.XACMLErrorConstants;
import org.onap.policy.xacml.std.pap.StdPAPPolicy;
/**
* Firewall Policy Implementation.
*
* @version 0.1
*/
public class FirewallPolicyService {
private static final Logger LOGGER = FlexLogger.getLogger(FirewallPolicyService.class.getName());
private PAPServices papServices = null;
private PolicyParameters policyParameters = null;
private String message = null;
private String policyName = null;
private String policyScope = null;
private String date = null;
private JsonObject firewallJson = null;
public FirewallPolicyService(String policyName, String policyScope,
PolicyParameters policyParameters, String date) {
this.policyParameters = policyParameters;
this.policyName = policyName;
this.policyScope = policyScope;
this.date = date;
papServices = new PAPServices();
}
public Boolean getValidation() {
if (policyParameters.getConfigBody() == null) {
message = XACMLErrorConstants.ERROR_DATA_ISSUE + "No Config Body given.";
return false;
}
try {
firewallJson = PolicyApiUtils.stringToJsonObject(policyParameters.getConfigBody());
} catch (JsonException | IllegalStateException e) {
message =
XACMLErrorConstants.ERROR_DATA_ISSUE + " improper JSON object : " +
policyParameters.getConfigBody();
LOGGER.error("Error while parsing JSON body for creating Firewall Policy ", e);
return false;
}
if (firewallJson == null || firewallJson.isEmpty()) {
message = XACMLErrorConstants.ERROR_DATA_ISSUE + "No Config-Body given.";
return false;
}
boolean levelCheck = false;
levelCheck = PolicyApiUtils.isNumeric(policyParameters.getRiskLevel());
if (!levelCheck) {
message = XACMLErrorConstants.ERROR_DATA_ISSUE + "Incorrect Risk Level given.";
return false;
}
return true;
}
public String getMessage() {
return message;
}
public String getResult(boolean updateFlag) throws PolicyException {
String response = null;
String operation = null;
if (updateFlag) {
operation = "update";
} else {
operation = "create";
}
//set values for basic policy information
if (!firewallJson.containsKey("configName")) {
message = XACMLErrorConstants.ERROR_DATA_ISSUE + "No configName given in firwall JSON.";
LOGGER.error(message);
return message;
}
String configName = firewallJson.get("configName").toString();
String configDescription = "";
String json = firewallJson.toString();
// Create Policy.
StdPAPPolicy newPAPPolicy = new StdPAPPolicy("Firewall Config", policyName, configDescription, configName,
updateFlag, policyScope, json, 0,
policyParameters.getRiskLevel(), policyParameters.getRiskType(),
String.valueOf(policyParameters.getGuard()), date);
// Send Json to PAP.
response = (String) papServices.callPAP(newPAPPolicy, new String[]{"operation=" + operation, "apiflag=api",
"policyType=Config"}, policyParameters.getRequestID(), "ConfigFirewall");
LOGGER.info(response);
return response;
}
}
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