Java tutorial
/* * Copyright (C) 2012 eXo Platform SAS. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.exoplatform.chat.server; import com.mongodb.BasicDBList; import com.mongodb.BasicDBObject; import com.mongodb.util.JSON; import juzu.Path; import juzu.Resource; import juzu.Response; import juzu.Route; import juzu.View; import juzu.MimeType; import juzu.template.Template; import org.apache.commons.lang.StringUtils; import org.apache.commons.lang3.StringEscapeUtils; import org.exoplatform.chat.listener.GuiceManager; import org.exoplatform.chat.model.NotificationBean; import org.exoplatform.chat.model.ReportBean; import org.exoplatform.chat.model.RoomBean; import org.exoplatform.chat.model.RoomsBean; import org.exoplatform.chat.model.SpaceBean; import org.exoplatform.chat.model.UserBean; import org.exoplatform.chat.model.UsersBean; import org.exoplatform.chat.services.ChatService; import org.exoplatform.chat.services.NotificationService; import org.exoplatform.chat.services.TokenService; import org.exoplatform.chat.services.UserService; import org.exoplatform.chat.utils.ChatUtils; import org.exoplatform.chat.utils.PropertyManager; import org.json.JSONObject; import javax.enterprise.context.ApplicationScoped; import javax.inject.Inject; import javax.mail.Message; import javax.mail.Session; import javax.mail.Transport; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeMessage; import java.io.IOException; import java.nio.charset.Charset; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Arrays; import java.util.GregorianCalendar; import java.util.List; import java.util.Properties; import java.util.logging.Logger; @ApplicationScoped public class ChatServer { private static final Logger LOG = Logger.getLogger("ChatServer"); @Inject @Path("index.gtmpl") Template index; @Inject @Path("users.gtmpl") Template users; ChatService chatService; UserService userService; TokenService tokenService; NotificationService notificationService; @Inject ChatTools chatTools; public ChatServer() { chatService = GuiceManager.getInstance().getInstance(ChatService.class); userService = GuiceManager.getInstance().getInstance(UserService.class); tokenService = GuiceManager.getInstance().getInstance(TokenService.class); notificationService = GuiceManager.getInstance().getInstance(NotificationService.class); } @View @Route("/") public Response.Content index() throws IOException { return index.ok(); } @Resource @Route("/whoIsOnline") public Response.Content whoIsOnline(String user, String token, String filter, String isAdmin, String limit) { if (!tokenService.hasUserWithToken(user, token)) { return Response.notFound("Petit malin !"); } Integer ilimit = 0; try { if (limit != null && !"".equals(limit)) ilimit = Integer.parseInt(limit); } catch (NumberFormatException nfe) { LOG.info("limit is not a valid Integer number"); } RoomsBean roomsBean = chatService.getRooms(user, filter, true, true, false, true, "true".equals(isAdmin), ilimit, notificationService, userService, tokenService); return Response.ok(roomsBean.roomsToJSON()).withMimeType("application/json; charset=UTF-8") .withHeader("Cache-Control", "no-cache"); } @Resource @Route("/send") public Response.Content send(String user, String token, String targetUser, String message, String room, String isSystem, String options) throws IOException { if (!tokenService.hasUserWithToken(user, token)) { return Response.notFound("Petit malin !"); } try { if (message != null) { // Only member can send chat message in team if (targetUser.startsWith(ChatService.TEAM_PREFIX)) { List<String> roomMembers = userService.getUsersFilterBy(null, room, ChatService.TYPE_ROOM_TEAM); if (!roomMembers.contains(user)) { return Response.content(403, "Petit malin !"); } } if (isSystem == null) isSystem = "false"; chatService.write(message, user, room, isSystem, options); if (!targetUser.startsWith(ChatService.EXTERNAL_PREFIX)) { String content = ((message.length() > 30) ? message.substring(0, 29) + "..." : message); String intranetPage = PropertyManager.getProperty(PropertyManager.PROPERTY_CHAT_PORTAL_PAGE); if (targetUser.startsWith(ChatService.SPACE_PREFIX)) { List<String> users = userService.getUsersFilterBy(user, targetUser.substring(ChatService.SPACE_PREFIX.length()), ChatService.TYPE_ROOM_SPACE); for (String tuser : users) { notificationService.addNotification(tuser, user, "chat", "room", room, content, intranetPage + "?room=" + room, options); } } else if (targetUser.startsWith(ChatService.TEAM_PREFIX)) { List<String> users = userService.getUsersFilterBy(user, targetUser.substring(ChatService.TEAM_PREFIX.length()), ChatService.TYPE_ROOM_TEAM); for (String tuser : users) { notificationService.addNotification(tuser, user, "chat", "room", room, content, intranetPage + "?room=" + room, options); } } else { notificationService.addNotification(targetUser, user, "chat", "room", room, content, intranetPage + "?room=" + room, options); } notificationService.setNotificationsAsRead(user, "chat", "room", room); } } } catch (Exception e) { return Response.notFound("Problem on Chat server. Please, try later").withMimeType("text/event-stream"); } return Response.ok("ok").withMimeType("application/json; charset=UTF-8").withHeader("Cache-Control", "no-cache"); } @Resource @Route("/read") public Response.Content read(String user, String token, String room, String fromTimestamp, String isTextOnly) throws IOException { if (!tokenService.hasUserWithToken(user, token)) { return Response.notFound("Petit malin !"); } Long from = null; try { if (fromTimestamp != null && !"".equals(fromTimestamp)) from = Long.parseLong(fromTimestamp); } catch (NumberFormatException nfe) { LOG.info("fromTimestamp is not a valid Long number"); } // Only member can view chat message in a team if (userService.getRoom(user, room).isTeam()) { List<String> roomMembers = userService.getUsersFilterBy(null, room, ChatService.TYPE_ROOM_TEAM); if (!roomMembers.contains(user)) { return Response.content(403, "Petit malin !"); } } String data = chatService.read(room, userService, "true".equals(isTextOnly), from); return Response.ok(data).withMimeType("application/json; charset=UTF-8").withHeader("Cache-Control", "no-cache"); } @Resource @Route("/sendMeetingNotes") public Response.Content sendMeetingNotes(String user, String token, String room, String fromTimestamp, String toTimestamp) throws IOException { if (!tokenService.hasUserWithToken(user, token)) { return Response.notFound("Petit malin !"); } Long from = null; Long to = null; String html = ""; try { if (fromTimestamp != null && !"".equals(fromTimestamp)) from = Long.parseLong(fromTimestamp); } catch (NumberFormatException nfe) { LOG.info("fromTimestamp is not a valid Long number"); } try { if (toTimestamp != null && !"".equals(toTimestamp)) to = Long.parseLong(toTimestamp); } catch (NumberFormatException nfe) { LOG.info("fromTimestamp is not a valid Long number"); } String data = chatService.read(room, userService, false, from, to); BasicDBObject datao = (BasicDBObject) JSON.parse(data); if (datao.containsField("messages")) { List<UserBean> users = userService.getUsers(room); ReportBean reportBean = new ReportBean(); reportBean.fill((BasicDBList) datao.get("messages"), users); ArrayList<String> tos = new ArrayList<String>(); String senderFullname = user; for (UserBean userBean : users) { if (!"".equals(userBean.getEmail())) { tos.add(userBean.getEmail()); } if (user.equals(userBean.getName())) { senderFullname = userBean.getFullname(); } } String roomName = ""; List<SpaceBean> spaces = userService.getSpaces(user); for (SpaceBean spaceBean : spaces) { if (room.equals(spaceBean.getRoom())) { roomName = spaceBean.getDisplayName(); } } List<RoomBean> roomBeans = userService.getTeams(user); for (RoomBean roomBean : roomBeans) { if (room.equals(roomBean.getRoom())) { roomName = roomBean.getFullname(); } } SimpleDateFormat formatter = new SimpleDateFormat("dd/MM/yyyy"); String date = formatter.format(new GregorianCalendar().getTime()); String title = roomName + " : Meeting Notes [" + date + "]"; html = reportBean.getAsHtml(title); try { sendMailWithAuth(senderFullname, tos, html.toString(), title); } catch (Exception e) { LOG.info(e.getMessage()); } } return Response.ok("sent").withMimeType("text/event-stream; charset=UTF-8").withHeader("Cache-Control", "no-cache"); } @Resource @Route("/getMeetingNotes") public Response.Content getMeetingNotes(String user, String token, String room, String fromTimestamp, String toTimestamp, String serverBase) throws IOException { if (!tokenService.hasUserWithToken(user, token)) { return Response.notFound("Petit malin !"); } Long from = null; Long to = null; String xwiki = ""; try { if (fromTimestamp != null && !"".equals(fromTimestamp)) from = Long.parseLong(fromTimestamp); } catch (NumberFormatException nfe) { LOG.info("fromTimestamp is not a valid Long number"); } try { if (toTimestamp != null && !"".equals(toTimestamp)) to = Long.parseLong(toTimestamp); } catch (NumberFormatException nfe) { LOG.info("fromTimestamp is not a valid Long number"); } String data = chatService.read(room, userService, false, from, to); BasicDBObject datao = (BasicDBObject) JSON.parse(data); if (datao.containsField("messages")) { List<UserBean> users = userService.getUsers(room); ReportBean reportBean = new ReportBean(); reportBean.fill((BasicDBList) datao.get("messages"), users); String roomName = ""; List<SpaceBean> spaces = userService.getSpaces(user); for (SpaceBean spaceBean : spaces) { if (room.equals(spaceBean.getRoom())) { roomName = spaceBean.getDisplayName(); } } List<RoomBean> roomBeans = userService.getTeams(user); for (RoomBean roomBean : roomBeans) { if (room.equals(roomBean.getRoom())) { roomName = roomBean.getFullname(); } } xwiki = reportBean.getAsXWiki(serverBase); } return Response.ok(xwiki).withMimeType("text/event-stream; charset=UTF-8").withHeader("Cache-Control", "no-cache"); } @Resource @MimeType("text/plain") @Route("/delete") public Response.Content delete(String user, String token, String room, String messageId) throws IOException { if (!tokenService.hasUserWithToken(user, token)) { return Response.notFound("Petit malin !"); } try { chatService.delete(room, user, messageId); } catch (Exception e) { return Response.notFound("Oups"); } return Response.ok("Updated!"); } @Resource @MimeType("text/plain") @Route("/edit") public Response.Content edit(String user, String token, String room, String messageId, String message) throws IOException { if (!tokenService.hasUserWithToken(user, token)) { return Response.notFound("Petit malin !"); } try { chatService.edit(room, user, messageId, message); } catch (Exception e) { return Response.notFound("Oups"); } return Response.ok("Updated!"); } @Resource @MimeType("text/plain") @Route("/toggleFavorite") public Response.Content toggleFavorite(String user, String token, String targetUser) { if (!tokenService.hasUserWithToken(user, token)) { return Response.notFound("Petit malin !"); } try { userService.toggleFavorite(user, targetUser); } catch (Exception e) { LOG.log(java.util.logging.Level.WARNING, e.getMessage()); return Response.notFound("Oups"); } return Response.ok("Updated!"); } @Resource @Route("/getRoom") public Response.Content getRoom(String user, String token, String targetUser, String isAdmin, String withDetail, String type) { if (!tokenService.hasUserWithToken(user, token)) { return Response.notFound("Petit malin !"); } String room = targetUser; RoomBean roomBean = null; try { if (type != null) { if ("room-id".equals(type)) { room = targetUser; } else if ("space-name".equals(type)) { room = chatService.getSpaceRoomByName(targetUser); } else if ("space-id".equals(type)) { room = ChatUtils.getRoomId(targetUser); } else if ("username".equals(type)) { List<String> users = new ArrayList<String>(); users.add(user); users.add(targetUser); room = chatService.getRoom(users); } else if ("external".equals(type)) { room = chatService.getExternalRoom(targetUser); } } else if (targetUser.startsWith(ChatService.SPACE_PREFIX)) { room = chatService.getSpaceRoom(targetUser); } else if (targetUser.startsWith(ChatService.TEAM_PREFIX)) { room = chatService.getTeamRoom(targetUser, user); } else if (targetUser.startsWith(ChatService.EXTERNAL_PREFIX)) { room = chatService.getExternalRoom(targetUser); } else { String finalUser = ("true".equals(isAdmin) && !user.startsWith(UserService.ANONIM_USER) && targetUser.startsWith(UserService.ANONIM_USER)) ? UserService.SUPPORT_USER : user; ArrayList<String> users = new ArrayList<String>(2); users.add(finalUser); users.add(targetUser); room = chatService.getRoom(users); } if ("true".equals(withDetail)) { roomBean = userService.getRoom(user, room); } notificationService.setNotificationsAsRead(user, "chat", "room", room); } catch (Exception e) { LOG.log(java.util.logging.Level.WARNING, e.getMessage()); return Response.notFound("No Room yet"); } String out = room; if (roomBean != null) { out = roomBean.toJSON(); } return Response.ok(out); } @Resource @Route("/saveTeamRoom") public Response.Content saveTeamRoom(String user, String token, String teamName, String room, String users) { if (!tokenService.hasUserWithToken(user, token)) { return Response.notFound("Petit malin !"); } JSONObject jsonObject = new JSONObject(); try { if (room == null || "".equals(room) || "---".equals(room)) { room = chatService.getTeamRoom(teamName, user); userService.addTeamRoom(user, room); } else { // Only creator can edit members or set team name String creator = chatService.getTeamCreator(room); if (!user.equals(creator)) { return Response.notFound("Petit malin !"); } if (room.startsWith(ChatService.TEAM_PREFIX) && room.length() > ChatService.TEAM_PREFIX.length() + 1) { room = room.substring(ChatService.TEAM_PREFIX.length()); } chatService.setRoomName(room, teamName); } if (users != null && !"".equals(users)) { String[] ausers = users.split(","); List<String> usersNew = Arrays.asList(ausers); List<String> usersToAdd = new ArrayList<String>(usersNew); List<String> usersToRemove = new ArrayList<String>(); List<String> usersExisting = userService.getUsersFilterBy(null, room, ChatService.TYPE_ROOM_TEAM); for (String userExist : usersExisting) { if (!usersNew.contains(userExist)) { usersToRemove.add(userExist); } else if (usersNew.contains(userExist)) { usersToAdd.remove(userExist); } } if (usersToRemove.size() > 0) { userService.removeTeamUsers(room, usersToRemove); StringBuilder sbUsers = new StringBuilder(); boolean first = true; for (String usert : usersToRemove) { if (!first) sbUsers.append("; "); sbUsers.append(userService.getUserFullName(usert)); first = false; notificationService.setNotificationsAsRead(usert, "chat", "room", room); } String removeTeamUserOptions = "{\"type\":\"type-remove-team-user\",\"users\":\"" + sbUsers + "\", " + "\"fullname\":\"" + userService.getUserFullName(user) + "\"}"; this.send(user, token, ChatService.TEAM_PREFIX + room, StringUtils.EMPTY, room, "true", removeTeamUserOptions); } if (usersToAdd.size() > 0) { userService.addTeamUsers(room, usersToAdd); StringBuilder sbUsers = new StringBuilder(); boolean first = true; for (String usert : usersToAdd) { if (!first) sbUsers.append("; "); sbUsers.append(userService.getUserFullName(usert)); first = false; } String addTeamUserOptions = "{\"type\":\"type-add-team-user\",\"users\":\"" + sbUsers + "\", " + "\"fullname\":\"" + userService.getUserFullName(user) + "\"}"; this.send(user, token, ChatService.TEAM_PREFIX + room, StringUtils.EMPTY, room, "true", addTeamUserOptions); } } jsonObject.put("name", StringEscapeUtils.escapeHtml4(teamName)); jsonObject.put("room", room); } catch (Exception e) { LOG.warning(e.getMessage()); return Response.notFound("No Room yet"); } return Response.ok(jsonObject.toString()).withMimeType("application/json; charset=UTF-8") .withHeader("Cache-Control", "no-cache"); } @Resource @MimeType("text/plain") @Route("/updateUnreadMessages") public Response.Content updateUnreadMessages(String room, String user, String token) { if (!tokenService.hasUserWithToken(user, token)) { return Response.notFound("Petit malin !"); } try { notificationService.setNotificationsAsRead(user, "chat", "room", room); if (userService.isAdmin(user)) { notificationService.setNotificationsAsRead(UserService.SUPPORT_USER, "chat", "room", room); } } catch (Exception e) { LOG.warning(e.getMessage()); return Response.notFound("Server Not Available yet"); } return Response.ok("Updated."); } @Resource @Route("/notification") public Response.Content notification(String user, String token, String event, String withDetails) throws IOException { if (!tokenService.hasUserWithToken(user, token)) { return Response.notFound("Petit malin !"); } boolean detailed = ("true".equals(withDetails)); int totalUnread = 0; List<NotificationBean> notifications = null; if (!detailed) { // GETTING TOTAL NOTIFICATION WITHOUT DETAILS totalUnread = notificationService.getUnreadNotificationsTotal(user); if (userService.isAdmin(user)) { totalUnread += notificationService.getUnreadNotificationsTotal(UserService.SUPPORT_USER); } } else { // GETTING ALL NOTIFICATION DETAILS notifications = notificationService.getUnreadNotifications(user, userService); totalUnread = notifications.size(); } String data = "{\"total\": \"" + totalUnread + "\""; if (detailed && notifications != null) { data += "," + NotificationBean.notificationstoJSON(notifications); } data += "}"; if (event != null && event.equals("1")) { data = "id: " + totalUnread + "\n"; data += "data: {\"total\": " + totalUnread + "}\n\n"; } return Response.ok(data).withMimeType("application/json").withCharset(Charset.forName("UTF-8")) .withHeader("Cache-Control", "no-cache"); } @Resource @MimeType("text/plain") @Route("/getStatus") public Response.Content getStatus(String user, String token, String targetUser) { if (!tokenService.hasUserWithToken(user, token)) { return Response.notFound("Petit malin !"); } String status = UserService.STATUS_INVISIBLE; try { if (targetUser != null) { boolean online = tokenService.isUserOnline(targetUser); if (online) status = userService.getStatus(targetUser); else status = UserService.STATUS_OFFLINE; } else { status = userService.getStatus(user); tokenService.updateValidity(user, token); } } catch (Exception e) { LOG.warning(e.getMessage()); return Response.notFound(status); } return Response.ok(status).withHeader("Cache-Control", "no-cache"); } @Resource @MimeType("text/plain") @Route("/setStatus") public Response.Content setStatus(String user, String token, String status) { if (!tokenService.hasUserWithToken(user, token)) { return Response.notFound("Petit malin !"); } try { userService.setStatus(user, status); } catch (Exception e) { LOG.warning(e.getMessage()); return Response.notFound("No Status for this User"); } return Response.ok(status); } @Resource @MimeType("text/plain") @Route("/getCreator") public Response.Content getCreator(String user, String token, String room) { String creator = ""; if (!tokenService.hasUserWithToken(user, token)) { return Response.notFound("Petit malin !"); } try { creator = chatService.getTeamCreator(room); } catch (Exception e) { LOG.warning(e.getMessage()); return Response.notFound("No Status for this User"); } return Response.ok(creator); } @Resource @Route("/users") public Response.Content getUsers(String user, String token, String room, String filter) { if (!tokenService.hasUserWithToken(user, token)) { return Response.notFound("Petit malin !"); } List<UserBean> users; if (room != null && !"".equals(room)) { users = userService.getUsers(room); } else { users = userService.getUsers(filter, true); } for (UserBean userBean : users) { boolean online = tokenService.isUserOnline(userBean.getName()); if (!online) userBean.setStatus(UserService.STATUS_OFFLINE); } UsersBean usersBean = new UsersBean(); usersBean.setUsers(users); return Response.ok(usersBean.usersToJSON()).withMimeType("application/json; charset=UTF-8") .withHeader("Cache-Control", "no-cache"); } @Resource @Route("/statistics") public Response.Content getStatistics() { StringBuffer data = new StringBuffer(); data.append("{"); data.append(" \"users\": " + userService.getNumberOfUsers() + ", "); data.append(" \"rooms\": " + chatService.getNumberOfRooms() + ", "); data.append(" \"messages\": " + chatService.getNumberOfMessages() + ", "); data.append(" \"notifications\": " + notificationService.getNumberOfNotifications() + ", "); data.append(" \"notificationsUnread\": " + notificationService.getNumberOfUnreadNotifications()); data.append("}"); return Response.ok(data.toString()).withMimeType("application/json; charset=UTF-8") .withHeader("Cache-Control", "no-cache"); } public void sendMailWithAuth(String senderFullname, List<String> toList, String htmlBody, String subject) throws Exception { String host = PropertyManager.getProperty(PropertyManager.PROPERTY_MAIL_HOST); String user = PropertyManager.getProperty(PropertyManager.PROPERTY_MAIL_USER); String password = PropertyManager.getProperty(PropertyManager.PROPERTY_MAIL_PASSWORD); String port = PropertyManager.getProperty(PropertyManager.PROPERTY_MAIL_PORT); Properties props = System.getProperties(); props.put("mail.smtp.user", user); props.put("mail.smtp.password", password); props.put("mail.smtp.host", host); props.put("mail.smtp.port", port); //props.put("mail.debug", "true"); props.put("mail.smtp.auth", "true"); props.put("mail.smtp.starttls.enable", "true"); props.put("mail.smtp.EnableSSL.enable", "true"); Session session = Session.getInstance(props, null); //session.setDebug(true); MimeMessage message = new MimeMessage(session); message.setFrom(new InternetAddress(user, senderFullname)); // To get the array of addresses for (String to : toList) { message.addRecipient(Message.RecipientType.TO, new InternetAddress(to)); } message.setSubject(subject); message.setContent(htmlBody, "text/html"); Transport transport = session.getTransport("smtp"); try { transport.connect(host, user, password); transport.sendMessage(message, message.getAllRecipients()); } finally { transport.close(); } } }