| /* |
| * 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.sling.cms.reference.forms.impl.actions; |
| |
| import java.util.Collections; |
| |
| import org.apache.commons.text.StringSubstitutor; |
| import org.apache.sling.api.resource.LoginException; |
| import org.apache.sling.api.resource.PersistenceException; |
| import org.apache.sling.api.resource.Resource; |
| import org.apache.sling.api.resource.ResourceResolver; |
| import org.apache.sling.api.resource.ResourceResolverFactory; |
| import org.apache.sling.api.resource.ValueMap; |
| import org.apache.sling.cms.CMSConstants; |
| import org.apache.sling.cms.reference.forms.FormAction; |
| import org.apache.sling.cms.reference.forms.FormActionResult; |
| import org.apache.sling.cms.reference.forms.FormException; |
| import org.apache.sling.cms.reference.forms.FormRequest; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Reference; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Component(service = FormAction.class, immediate = true) |
| public class DeleteUserGeneratedContentAction implements FormAction { |
| |
| private static final Logger log = LoggerFactory.getLogger(DeleteUserGeneratedContentAction.class); |
| |
| private ResourceResolverFactory factory; |
| |
| @Activate |
| public DeleteUserGeneratedContentAction(@Reference ResourceResolverFactory factory) { |
| this.factory = factory; |
| } |
| |
| @Override |
| public FormActionResult handleForm(Resource actionResource, FormRequest request) throws FormException { |
| log.trace("handleForm"); |
| |
| ValueMap properties = actionResource.getValueMap(); |
| |
| try (ResourceResolver resolver = getResourceResolver()) { |
| StringSubstitutor sub = new StringSubstitutor(request.getFormData()); |
| |
| String path = sub.replace(properties.get("path", String.class)); |
| log.debug("Deleting UGC resource at path: {}", path); |
| |
| Resource resource = resolver.getResource(path); |
| if (resource == null) { |
| throw new FormException("Could not find UGC resource at path: " + path); |
| } |
| Resource ugcParent = findUgcParent(resource); |
| |
| if (!request.getOriginalRequest().getResourceResolver().getUserID() |
| .equals(ugcParent.getValueMap().get("user", String.class))) { |
| throw new FormException("Cannot delete content not created by the current user"); |
| } |
| |
| resolver.delete(ugcParent); |
| resolver.commit(); |
| log.debug("Successfully deleted user generated content"); |
| return FormActionResult.success("Deleted user generated content"); |
| } catch (LoginException | PersistenceException e) { |
| throw new FormException("Failed to delete user generated content", e); |
| } |
| } |
| |
| private Resource findUgcParent(Resource resource) throws FormException { |
| if (CMSConstants.NT_UGC.equals(resource.getResourceType())) { |
| return resource; |
| } else if (resource.getParent() != null) { |
| return findUgcParent(resource.getParent()); |
| } else { |
| throw new FormException("Failed to find UGC Parent"); |
| } |
| } |
| |
| private ResourceResolver getResourceResolver() throws LoginException { |
| return factory.getServiceResourceResolver( |
| Collections.singletonMap(ResourceResolverFactory.SUBSERVICE, "sling-cms-ugc")); |
| } |
| |
| @Override |
| public boolean handles(Resource actionResource) { |
| return "reference/components/forms/actions/deleteugc".equals(actionResource.getResourceType()); |
| } |
| |
| } |