| /* |
| * 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.core.insights.impl.providers; |
| |
| import java.io.StringReader; |
| import java.io.UnsupportedEncodingException; |
| import java.net.URLEncoder; |
| import java.nio.charset.StandardCharsets; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import javax.json.Json; |
| import javax.json.JsonArray; |
| import javax.json.JsonObject; |
| import javax.json.JsonReader; |
| |
| import org.apache.http.HttpEntity; |
| import org.apache.http.client.methods.CloseableHttpResponse; |
| import org.apache.http.client.methods.HttpPost; |
| import org.apache.http.entity.ByteArrayEntity; |
| import org.apache.http.impl.client.CloseableHttpClient; |
| import org.apache.http.impl.client.HttpClients; |
| import org.apache.http.util.EntityUtils; |
| import org.apache.sling.cms.core.insights.impl.BaseInsightProvider; |
| import org.apache.sling.cms.core.insights.impl.providers.HTMLValdiatorInsightProvider.Config; |
| import org.apache.sling.cms.i18n.I18NDictionary; |
| import org.apache.sling.cms.i18n.I18NProvider; |
| import org.apache.sling.cms.insights.Insight; |
| import org.apache.sling.cms.insights.InsightProvider; |
| import org.apache.sling.cms.insights.InsightRequest; |
| import org.apache.sling.cms.insights.Message; |
| import org.apache.sling.cms.insights.PageInsightRequest; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.metatype.annotations.AttributeDefinition; |
| import org.osgi.service.metatype.annotations.Designate; |
| import org.osgi.service.metatype.annotations.ObjectClassDefinition; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Component(service = InsightProvider.class, immediate = true) |
| @Designate(ocd = Config.class) |
| public class HTMLValdiatorInsightProvider extends BaseInsightProvider { |
| |
| public static final String I18N_KEY_HTMLVALIDATOR_DANGER = "There were {0} validation errors and {1} warnings"; |
| public static final String I18N_KEY_HTMLVALIDATOR_WARN = "There were {0} validation warnings"; |
| public static final String I18N_KEY_HTMLVALIDATOR_SUCCESS = "HTML Validation successful!"; |
| |
| @ObjectClassDefinition(name = "%htmlvalidator.config.name", description = "%htmlvalidator.config.description", localization = "OSGI-INF/l10n/bundle") |
| public @interface Config { |
| @AttributeDefinition(name = "%htmlvalidator.param.enabled.name", description = "%htmlvalidator.param.enabled.description") |
| boolean enabled() default true; |
| } |
| |
| @Reference |
| private I18NProvider i18nProvider; |
| |
| private static final Logger log = LoggerFactory.getLogger(HTMLValdiatorInsightProvider.class); |
| |
| private Config config; |
| |
| @Activate |
| public void activate(Config config) { |
| this.config = config; |
| } |
| |
| @Override |
| protected Insight doEvaluateRequest(InsightRequest request) throws Exception { |
| Insight insight = new Insight(this, request); |
| insight.setScored(true); |
| PageInsightRequest pageRequest = (PageInsightRequest) request; |
| |
| String html = pageRequest.getPageHtml(); |
| |
| HttpPost httpPost = new HttpPost("http://validator.w3.org/nu/?out=json&showsource=no&level=all"); |
| httpPost.addHeader("Content-type", "text/html; charset=utf-8"); |
| HttpEntity htmlEntity = new ByteArrayEntity(html.getBytes(StandardCharsets.UTF_8)); |
| httpPost.setEntity(htmlEntity); |
| |
| I18NDictionary dictionary = i18nProvider.getDictionary(request.getResource().getResourceResolver()); |
| |
| CloseableHttpResponse response = null; |
| JsonReader reader = null; |
| try (CloseableHttpClient client = HttpClients.createDefault()) { |
| response = client.execute(httpPost); |
| HttpEntity entity = response.getEntity(); |
| reader = Json.createReader(new StringReader(EntityUtils.toString(entity))); |
| JsonObject json = reader.readObject(); |
| log.debug("Loaded response: {}", json); |
| JsonArray messages = json.getJsonArray("messages"); |
| int errors = 0; |
| int warnings = 0; |
| Set<String> msgSet = new HashSet<>(); |
| for (int i = 0; i < messages.size(); i++) { |
| JsonObject message = messages.getJsonObject(i); |
| if ("error".equals(message.getString("type"))) { |
| errors++; |
| String messageStr = message.getString("message"); |
| if (!msgSet.contains(messageStr)) { |
| insight.addMessage(Message.danger(messageStr)); |
| msgSet.add(messageStr); |
| } |
| } else if ("info".equals(message.getString("type")) && message.containsKey("subtype") |
| && "warning".equals(message.getString("subtype"))) { |
| warnings++; |
| String messageStr = message.getString("message"); |
| if (!msgSet.contains(messageStr)) { |
| insight.addMessage(Message.warn(messageStr)); |
| msgSet.add(messageStr); |
| } |
| } |
| } |
| updateInsight(insight, pageRequest, dictionary, errors, warnings); |
| } finally { |
| if (reader != null) { |
| reader.close(); |
| } |
| } |
| |
| return insight; |
| } |
| |
| private void updateInsight(Insight insight, PageInsightRequest pageRequest, I18NDictionary dictionary, int errors, |
| int warnings) throws UnsupportedEncodingException { |
| double score; |
| if (errors > 5) { |
| insight.setPrimaryMessage(Message |
| .danger(dictionary.get(I18N_KEY_HTMLVALIDATOR_DANGER, new Object[] { errors, warnings }))); |
| score = 0.2; |
| } else if (errors > 0) { |
| insight.setPrimaryMessage(Message |
| .danger(dictionary.get(I18N_KEY_HTMLVALIDATOR_DANGER, new Object[] { errors, warnings }))); |
| score = 0.4; |
| } else if (warnings > 5) { |
| insight.setPrimaryMessage( |
| Message.warn(dictionary.get(I18N_KEY_HTMLVALIDATOR_WARN, new Object[] { warnings }))); |
| score = 0.6; |
| } else if (warnings > 0) { |
| insight.setPrimaryMessage( |
| Message.warn(dictionary.get(I18N_KEY_HTMLVALIDATOR_WARN, new Object[] { warnings }))); |
| score = 0.8; |
| } else { |
| insight.setPrimaryMessage(Message.success(dictionary.get(I18N_KEY_HTMLVALIDATOR_SUCCESS))); |
| score = 1.0; |
| } |
| insight.setScore(score); |
| insight.setMoreDetailsLink("https://validator.w3.org/nu/?doc=" |
| + URLEncoder.encode(pageRequest.getPage().getPublishedUrl(), StandardCharsets.UTF_8.toString())); |
| } |
| |
| @Override |
| public String getId() { |
| return "htmlvalidator"; |
| } |
| |
| @Override |
| public String getTitle() { |
| return "HTML Validator"; |
| } |
| |
| @Override |
| public boolean isEnabled(InsightRequest request) { |
| if (!config.enabled()) { |
| log.debug("HTML Validator is not enabled"); |
| return false; |
| } |
| if (request.getType() != InsightRequest.TYPE.PAGE) { |
| log.debug("Request {} is not a page", request); |
| return false; |
| } |
| return true; |
| } |
| |
| } |