| /* |
| * 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.servicecomb.core.filter.impl; |
| |
| import java.lang.reflect.Method; |
| import java.util.Set; |
| import java.util.concurrent.CompletableFuture; |
| |
| import javax.annotation.Nonnull; |
| import javax.validation.ConstraintViolation; |
| import javax.validation.ConstraintViolationException; |
| import javax.validation.Validation; |
| import javax.validation.ValidatorFactory; |
| import javax.validation.executable.ExecutableValidator; |
| import javax.validation.groups.Default; |
| |
| import org.apache.servicecomb.core.Invocation; |
| import org.apache.servicecomb.core.filter.FilterNode; |
| import org.apache.servicecomb.core.filter.ProducerFilter; |
| import org.apache.servicecomb.foundation.common.utils.AsyncUtils; |
| import org.apache.servicecomb.swagger.engine.SwaggerProducerOperation; |
| import org.apache.servicecomb.swagger.invocation.Response; |
| import org.hibernate.validator.HibernateValidator; |
| import org.hibernate.validator.messageinterpolation.AbstractMessageInterpolator; |
| import org.hibernate.validator.messageinterpolation.ParameterMessageInterpolator; |
| import org.hibernate.validator.messageinterpolation.ResourceBundleMessageInterpolator; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.beans.factory.InitializingBean; |
| import org.springframework.stereotype.Component; |
| |
| import com.netflix.config.DynamicPropertyFactory; |
| |
| @Component |
| public class ParameterValidatorFilter implements ProducerFilter, InitializingBean { |
| private static final Logger LOGGER = LoggerFactory.getLogger(ParameterValidatorFilter.class); |
| |
| public static final String NAME = "validator"; |
| |
| private static final String ENABLE_EL = "servicecomb.filters.validation.useResourceBundleMessageInterpolator"; |
| |
| protected ExecutableValidator validator; |
| |
| @Nonnull |
| @Override |
| public String getName() { |
| return NAME; |
| } |
| |
| @Override |
| public void afterPropertiesSet() { |
| validator = createValidatorFactory() |
| .getValidator().forExecutables(); |
| } |
| |
| protected ValidatorFactory createValidatorFactory() { |
| return Validation.byProvider(HibernateValidator.class) |
| .configure() |
| .propertyNodeNameProvider(new JacksonPropertyNodeNameProvider()) |
| .messageInterpolator(messageInterpolator()) |
| .buildValidatorFactory(); |
| } |
| |
| protected AbstractMessageInterpolator messageInterpolator() { |
| if (useResourceBundleMessageInterpolator()) { |
| return new ResourceBundleMessageInterpolator(); |
| } |
| return new ParameterMessageInterpolator(); |
| } |
| |
| private boolean useResourceBundleMessageInterpolator() { |
| return DynamicPropertyFactory.getInstance().getBooleanProperty(ENABLE_EL, false).get(); |
| } |
| |
| @Override |
| public CompletableFuture<Response> onFilter(Invocation invocation, FilterNode nextNode) { |
| Set<ConstraintViolation<Object>> violations = doValidate(invocation); |
| if (violations.size() > 0) { |
| LOGGER.error("Parameter validation failed : " + violations); |
| return AsyncUtils.completeExceptionally(new ConstraintViolationException(violations)); |
| } |
| |
| return nextNode.onFilter(invocation); |
| } |
| |
| protected Set<ConstraintViolation<Object>> doValidate(Invocation invocation) { |
| SwaggerProducerOperation producerOperation = invocation.getOperationMeta().getSwaggerProducerOperation(); |
| Object instance = producerOperation.getProducerInstance(); |
| Method method = producerOperation.getProducerMethod(); |
| Object[] args = invocation.toProducerArguments(); |
| return validator.validateParameters(instance, method, args, Default.class); |
| } |
| } |