com.predic8.membrane.core.openapi.validators.RequestBodyValidator Maven / Gradle / Ivy
/*
* Copyright 2022 predic8 GmbH, www.predic8.com
*
* 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.
*/
package com.predic8.membrane.core.openapi.validators;
import com.predic8.membrane.core.openapi.model.*;
import com.predic8.membrane.core.openapi.util.*;
import io.swagger.v3.oas.models.*;
import io.swagger.v3.oas.models.media.*;
import io.swagger.v3.oas.models.parameters.*;
import static com.predic8.membrane.core.openapi.validators.ValidationContext.ValidatedEntityType.*;
import static java.lang.String.*;
public class RequestBodyValidator extends AbstractBodyValidator {
public RequestBodyValidator(OpenAPI api) {
super(api);
}
ValidationErrors validateRequestBody(ValidationContext ctx, Operation operation, Request request) {
if (operation.getRequestBody() == null) {
if (!request.hasBody())
return errors;
else
return errors.add(ctx.statusCode(400),"Request has a body although it should't.");
}
if (operation.getRequestBody().getContent() != null) {
validateRequestBodyInternal(ctx, request, operation.getRequestBody());
} else {
String ref = operation.getRequestBody().get$ref();
if (ref != null) {
validateRequestBodyInternal(ctx, request, getRequestBodyFromSchema(ref));
} else {
throw new RuntimeException("Should not happen!");
}
}
return errors;
}
private RequestBody getRequestBodyFromSchema(String ref) {
return api.getComponents().getRequestBodies().get(Utils.getComponentLocalNameFromRef(ref));
}
private void validateRequestBodyInternal(ValidationContext ctx, Request request, RequestBody requestBody) {
requestBody.getContent().forEach((s, mediaType) -> validateMediaType(ctx, s, mediaType, request));
}
private void validateMediaType(ValidationContext ctx, String mediaType, MediaType mediaTypeObj, Request request) {
if (request.getMediaType() == null) {
errors.add(ctx.statusCode(400),"The request has a body, but no Content-Type header.");
return;
}
if (!request.isOfMediaType(mediaType)) {
errors.add(ctx.statusCode(415).entityType(MEDIA_TYPE).entity(request.getMediaType().toString()), format("Request has mediatype %s instead of the expected type %s.",request.getMediaType(),mediaType));
return;
}
validateBodyAccordingToMediaType(ctx, mediaType, mediaTypeObj, request, 400);
}
}