content: package act.httpclient;
  
  /*-
   * #%L
   * ACT Framework
   * %%
   * Copyright (C) 2014 - 2018 ActFramework
   * %%
   * 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.
   * #L%
   */
  
  import act.app.ActionContext;
  import act.app.App;
  import act.app.AppServiceBase;
  import act.conf.AppConfig;
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.JSONObject;
  import okhttp3.OkHttpClient;
  import okhttp3.Request;
  import okhttp3.Response;
  import org.osgl.util.S;
  
  import java.io.IOException;
  
  /**
   * Manages HTTP Client.
   *
   * Note this class is subject to future change. Application shall not
   * use this class or any facility provided by this class directly.
   */
  public class HttpClientService extends AppServiceBase<HttpClientService> {
  
      private OkHttpClient http;
      private AppConfig config;
      private String reCaptchaSercret;
  
      public HttpClientService(App app) {
          super(app);
          config = app.config();
          reCaptchaSercret = config.reCaptchaSecret();
          app.jobManager().now(new Runnable() {
              @Override
              public void run() {
                  initHttp();
              }
          });
      }
  
      @Override
      protected void releaseResources() {
      }
  
      public boolean verifyReCaptchaResponse(ActionContext ctx) {
          if (S.blank(reCaptchaSercret)) {
              return false;
          }
          String url = "https://www.google.com/recaptcha/api/siteverify?secret="
                  + reCaptchaSercret + "&response="
                  + ctx.paramVal("g-recaptcha-response");
          Request req = new Request.Builder().url(url).get().build();
          try {
              Response response = sendRequest(req);
              JSONObject json = JSON.parseObject(response.body().string());
              return json.getBoolean("success");
          } catch (IOException e) {
              warn(e, "Error sending response");
              return false;
          }
      }
  
      private Response sendRequest(Request req) throws IOException {
          return http.newCall(req).execute();
      }
  
      private void initHttp() {
          http = new OkHttpClient.Builder().build();
      }
  }
  