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/*
* -
* * ============LICENSE_START=======================================================
* * Copyright (C) 2019 Nordix Foundation.
* * ================================================================================
* * 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.
* *
* * SPDX-License-Identifier: Apache-2.0
* * ============LICENSE_END=========================================================
* * Modifications copyright (c) 2020 Nokia
*/
package org.openecomp.sdc.be.components.impl.artifact;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import fj.data.Either;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import javax.xml.XMLConstants;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.openecomp.sdc.be.config.validation.DeploymentArtifactHeatConfiguration;
import org.openecomp.sdc.be.dao.api.ActionStatus;
import org.openecomp.sdc.common.log.wrappers.Logger;
import org.openecomp.sdc.common.util.YamlToObjectConverter;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXNotSupportedException;
import org.xml.sax.XMLReader;
public enum PayloadTypeEnum {
HEAT_YAML {
@Override
public Either<Boolean, ActionStatus> isValid(byte[] payload) {
YamlToObjectConverter yamlToObjectConverter = new YamlToObjectConverter();
if (isNotValidYaml(payload, yamlToObjectConverter)) {
return Either.right(ActionStatus.INVALID_YAML);
}
DeploymentArtifactHeatConfiguration heatConfiguration = yamlToObjectConverter.convert(payload, DeploymentArtifactHeatConfiguration.class);
if (heatConfiguration == null || heatConfiguration.getHeat_template_version() == null) {
log.debug("HEAT doesn't contain required \"heat_template_version\" section.");
return Either.right(ActionStatus.INVALID_DEPLOYMENT_ARTIFACT_HEAT);
}
return Either.left(true);
}
@Override
public boolean isHeatRelated() {
return true;
}
private boolean isNotValidYaml(byte[] payload, YamlToObjectConverter yamlToObjectConverter) {
return !yamlToObjectConverter.isValidYaml(payload);
}
}, HEAT_ENV {
@Override
public Either<Boolean, ActionStatus> isValid(byte[] payload) {
return isValidYaml(payload);
}
@Override
public boolean isHeatRelated() {
return true;
}
}, XML {
@Override
public Either<Boolean, ActionStatus> isValid(byte[] payload) {
try {
SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser();
saxParser.setProperty(XMLConstants.ACCESS_EXTERNAL_DTD, "");
saxParser.setProperty(XMLConstants.ACCESS_EXTERNAL_SCHEMA, "");
XMLReader reader = saxParser.getXMLReader();
setFeatures(reader);
reader.parse(new InputSource(new ByteArrayInputStream(payload)));
} catch (ParserConfigurationException | IOException | SAXException exception) {
log.debug("Xml is invalid : {}", exception.getMessage(), exception);
return Either.right(ActionStatus.INVALID_XML);
}
return Either.left(true);
}
private void setFeatures(XMLReader reader) throws SAXNotSupportedException {
try {
reader.setFeature("http://apache.org/xml/features/validation/schema", false);
reader.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
} catch (SAXNotRecognizedException exception) {
log.debug("Xml parser couldn't set feature: \"http://apache.org/xml/features/validation/schema\", false",
exception.getMessage(), exception);
}
}
}, JSON {
@Override
public Either<Boolean, ActionStatus> isValid(byte[] payload) {
try {
gson.fromJson(new String(payload), Object.class);
} catch (Exception e) {
log.debug("Json is invalid : {}", e.getMessage(), e);
return Either.right(ActionStatus.INVALID_JSON);
}
return Either.left(true);
}
}, YAML {
@Override
public Either<Boolean, ActionStatus> isValid(byte[] payload) {
return isValidYaml(payload);
}
}, NOT_DEFINED {
@Override
public Either<Boolean, ActionStatus> isValid(byte[] payload) {
return Either.left(true);
}
};
private static final Logger log = Logger.getLogger(PayloadTypeEnum.class);
private static final Gson gson = new GsonBuilder().setPrettyPrinting().create();
private static Either<Boolean, ActionStatus> isValidYaml(byte[] payload) {
YamlToObjectConverter yamlToObjectConverter = new YamlToObjectConverter();
if (yamlToObjectConverter.isValidYaml(payload)) {
return Either.left(true);
}
log.debug("Invalid YAML format");
return Either.right(ActionStatus.INVALID_YAML);
}
public abstract Either<Boolean, ActionStatus> isValid(byte[] payload);
public boolean isHeatRelated() {
return false;
}
}
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