- /*
- * GovWay - A customizable API Gateway
- * https://govway.org
- *
- * Copyright (c) 2005-2025 Link.it srl (https://link.it).
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 3, as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- */
- package org.openspcoop2.utils.json.validation;
- import java.util.HashMap;
- import java.util.List;
- import java.util.Map;
- import org.everit.json.schema.Schema;
- import org.everit.json.schema.loader.SchemaLoader;
- import org.json.JSONObject;
- import org.openspcoop2.utils.LoggerWrapperFactory;
- import org.openspcoop2.utils.json.IJsonSchemaValidator;
- import org.openspcoop2.utils.json.JsonSchemaValidatorConfig;
- import org.openspcoop2.utils.json.ValidationException;
- import org.openspcoop2.utils.json.ValidationResponse;
- import org.openspcoop2.utils.json.ValidationResponse.ESITO;
- import org.slf4j.Logger;
- import net.sf.json.JSONArray;
- /**
- * EveritJsonschemaValidator
- *
- * @author Giovanni Bussu (bussu@link.it)
- * @author $Author$
- * @version $Rev$, $Date$
- */
- public class EveritJsonschemaValidator implements IJsonSchemaValidator {
- private Schema schema;
- private byte[] schemaBytes;
- private Logger log;
- private boolean logError;
- @Override
- public void setSchema(byte[] schema, JsonSchemaValidatorConfig config, Logger log) throws ValidationException {
- this.log = log;
- if(this.log==null) {
- this.log = LoggerWrapperFactory.getLogger(EveritJsonschemaValidator.class);
- }
- this.logError = config!=null ? config.isEmitLogError() : true;
- this.schemaBytes = schema;
- try {
- JSONObject jsonSchemaObject = new JSONObject(new String(schema));
- Map<String, String> map = new HashMap<>();
- map.put("type", "string");
- JSONObject jsonStringObject = new JSONObject(map);
- if(config!=null) {
- switch(config.getAdditionalProperties()) {
- case DEFAULT:
- break;
- case FORCE_DISABLE: addAdditionalProperties(jsonSchemaObject, Boolean.FALSE, true);
- break;
- case FORCE_STRING: addAdditionalProperties(jsonSchemaObject, jsonStringObject, true);
- break;
- case IF_NULL_DISABLE: addAdditionalProperties(jsonSchemaObject, Boolean.FALSE, false);
- break;
- case IF_NULL_STRING: addAdditionalProperties(jsonSchemaObject, jsonStringObject, false);
- break;
- default:
- break;
- }
- }
- if(config!=null) {
- switch(config.getPoliticaInclusioneTipi()) {
- case DEFAULT:
- break;
- case ALL: addTypes(jsonSchemaObject, config.getTipi(), true);
- break;
- case ANY: addTypes(jsonSchemaObject, config.getTipi(), false);
- break;
- default:
- break;
- }
- }
- this.schema = SchemaLoader.load(jsonSchemaObject);
- if(config!=null && config.isVerbose()) {
- try {
- String debugSchema = jsonSchemaObject.toString();
- this.log.debug("JSON Schema: "+debugSchema);
- }catch(Exception e) {
- this.log.debug("JSON Schema build error: "+e.getMessage(),e);
- }
- }
- } catch(Exception e) {
- throw new ValidationException(e);
- }
- }
- private void addTypes(JSONObject jsonSchemaObject, List<String> nomi, boolean all) {
- String allAny = all ? "allOf" : "anyOf";
- JSONArray array = new JSONArray();
- for(String nome: nomi) {
- Map<String, String> map = new HashMap<>();
- map.put("$ref", nome);
- JSONObject obj = new JSONObject(map);
- array.element(obj);
- }
- jsonSchemaObject.remove("anyOf");
- jsonSchemaObject.remove("allOf");
- jsonSchemaObject.put(allAny, array);
- }
- private void addAdditionalProperties(JSONObject jsonSchemaObject, Object additionalPropertiesObject, boolean force) {
- JSONObject definitions = (JSONObject) jsonSchemaObject.get("definitions");
- for(String def: definitions.keySet()) {
- JSONObject definition = (JSONObject) definitions.get(def);
- if(force || !definition.has("additionalProperties")) {
- definition.put("additionalProperties", additionalPropertiesObject);
- }
- }
- }
- @Override
- public ValidationResponse validate(byte[] object) throws ValidationException {
- ValidationResponse response = new ValidationResponse();
- try {
- JSONObject jsonObject = null;
- try {
- jsonObject = new JSONObject(new String(object));
- }
- catch(Exception e) {
- this.log.error(e.getMessage(),e);
- String messageString = "Read rawObject as jsonObject failed: "+e.getMessage();
- response.setEsito(ESITO.KO);
- if(this.logError) {
- ValidationUtils.logError(this.log, messageString.toString(), object, this.schemaBytes, null);
- }
- response.setException(new Exception(messageString.toString()));
- }
- if(jsonObject!=null) {
- try {
- this.schema.validate(jsonObject); // throws a ValidationException if this object is invalid
- response.setEsito(ESITO.OK);
- } catch(org.everit.json.schema.ValidationException e) {
- response.setEsito(ESITO.KO);
- response.setException(e);
- response.getErrors().add(e.getErrorMessage());
- if(this.logError) {
- ValidationUtils.logError(this.log, e.getErrorMessage(), object, this.schemaBytes, null);
- }
- }
- }
- } catch(Exception e) {
- throw new ValidationException(e);
- }
- return response;
- }
- }