UpdateServlet.java

  1. /*
  2.  * Copyright (C) 2020-2024 by Savoir-faire Linux
  3.  *
  4.  * This program is free software; you can redistribute it and/or modify
  5.  * it under the terms of the GNU General Public License as published by
  6.  * the Free Software Foundation; either version 3 of the License, or
  7.  * (at your option) any later version.
  8.  *
  9.  * This program is distributed in the hope that it will be useful,
  10.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12.  * GNU General Public License for more details.
  13.  *
  14.  * You should have received a copy of the GNU General Public License
  15.  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16.  */
  17. package net.jami.jams.server.servlets.api.admin.update;

  18. import static net.jami.jams.server.Server.appUpdater;

  19. import com.google.gson.Gson;

  20. import jakarta.servlet.ServletException;
  21. import jakarta.servlet.annotation.WebServlet;
  22. import jakarta.servlet.http.HttpServlet;
  23. import jakarta.servlet.http.HttpServletRequest;
  24. import jakarta.servlet.http.HttpServletResponse;

  25. import net.jami.jams.common.annotations.JsonContent;
  26. import net.jami.jams.common.annotations.ScopedServletMethod;
  27. import net.jami.jams.common.objects.user.AccessLevel;
  28. import net.jami.jams.common.serialization.adapters.GsonFactory;
  29. import net.jami.jams.common.updater.FullSystemStatusResponse;

  30. import java.io.IOException;

  31. @WebServlet("/api/admin/update")
  32. public class UpdateServlet extends HttpServlet {
  33.     private final Gson gson = GsonFactory.createGson();

  34.     // Return the current version number and the available version number.
  35.     @Override
  36.     @ScopedServletMethod(securityGroups = {AccessLevel.ADMIN})
  37.     @JsonContent
  38.     protected void doGet(HttpServletRequest req, HttpServletResponse resp)
  39.             throws ServletException, IOException {
  40.         FullSystemStatusResponse response = new FullSystemStatusResponse();
  41.         response.setLocalVersions(appUpdater.getLocalVersions());
  42.         response.setRemoteVersions(appUpdater.getRemoteVersions());
  43.         response.setUpdateAvailable(appUpdater.getUpdateAvailable());
  44.         resp.getOutputStream().write(gson.toJson(response).getBytes());
  45.         resp.flushBuffer();
  46.     }

  47.     // This is the do-update button.
  48.     @Override
  49.     @ScopedServletMethod(securityGroups = {AccessLevel.ADMIN})
  50.     protected void doPost(HttpServletRequest req, HttpServletResponse resp) {
  51.         if (appUpdater.getUpdateAvailable()) appUpdater.doUpdate();
  52.     }
  53. }