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+/*
+ * Copyright (C) 2008-2020, Juick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.juick;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.juick.model.Message;
+import com.juick.model.User;
+import com.juick.www.api.SystemActivity;
+import com.juick.util.HttpBadRequestException;
+import com.juick.www.WebApp;
+import com.juick.service.EmailService;
+import com.juick.service.MessagesService;
+import com.juick.service.UserService;
+import com.juick.service.component.*;
+import com.juick.util.MessageUtils;
+import com.mitchellbosecke.pebble.PebbleEngine;
+import org.apache.commons.lang3.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.event.EventListener;
+import org.springframework.scheduling.annotation.Async;
+
+import javax.annotation.Nonnull;
+import javax.inject.Inject;
+import javax.mail.MessagingException;
+import javax.mail.Multipart;
+import javax.mail.Session;
+import javax.mail.Transport;
+import javax.mail.internet.InternetAddress;
+import javax.mail.internet.MimeBodyPart;
+import javax.mail.internet.MimeMessage;
+import javax.mail.internet.MimeMultipart;
+import java.util.*;
+
+import static com.juick.util.formatters.PlainTextFormatter.formatPost;
+import static com.juick.util.formatters.PlainTextFormatter.formatUrl;
+
+public class EmailManager implements NotificationListener {
+
+ public static final String MSGID_PATTERN = "\\.|@|<";
+
+ private static final Logger logger = LoggerFactory.getLogger(EmailManager.class);
+ @Inject
+ private EmailService emailService;
+ @Inject
+ private MessagesService messagesService;
+ @Inject
+ private UserService userService;
+ @Inject
+ private PebbleEngine pebbleEngine;
+ @Inject
+ private ObjectMapper jsonMapper;
+ @Inject
+ private WebApp webApp;
+ @Value("${service_email:}")
+ private String serviceEmail;
+
+ @Override
+ public void processSystemEvent(@Nonnull SystemEvent systemEvent) {
+ var activity = systemEvent.getActivity();
+ var msg = activity.getMessage();
+ var subscribers = activity.getTo();
+ if (activity.getType().equals(SystemActivity.ActivityType.message)) {
+ processMessage(msg, subscribers);
+ }
+ try {
+ var eventHeader = Collections.singletonMap("X-Event-Version", "1.0");
+ sendEmail("noreply@juick.com", serviceEmail, "New system event",
+ jsonMapper.writeValueAsString(systemEvent.getActivity()), null, eventHeader);
+ } catch (JsonProcessingException e) {
+ logger.warn("JSON exception", e);
+ }
+ }
+ private void processMessage(Message msg, List<User> subscribedUsers) {
+ if (msg.isService()) {
+ return;
+ }
+ if (MessageUtils.isPM(msg)) {
+ String subject = String.format("Private message from %s", msg.getUser().getName());
+ emailService.getEmails(msg.getTo().getUid(), true).forEach(email -> emailNotify(email, subject, msg));
+ } else if (MessageUtils.isReply(msg)) {
+ Message originalMessage = messagesService.getMessage(msg.getMid()).orElseThrow(IllegalStateException::new);
+ String subject = String.format("New reply to %s", originalMessage.getUser().getName());
+ subscribedUsers.stream()
+ .flatMap(user -> emailService.getEmails(user.getUid(), true).stream())
+ .forEach(email -> emailNotify(email, subject, msg));
+ } else {
+ String subject = String.format("New message from %s", msg.getUser().getName());
+ subscribedUsers
+ .forEach(user -> emailService.getEmails(user.getUid(), true)
+ .forEach(email -> emailNotify(email, subject, msg)));
+ }
+ }
+
+ @Override
+ public void processPingEvent(PingEvent pingEvent) {
+
+ }
+
+ @Async
+ @EventListener
+ public void processMailVerificationEvent(MailVerificationEvent mailVerificationEvent) {
+ if (!sendEmail("noreply@juick.com", mailVerificationEvent.getEmail(), "Juick authorization link",
+ String.format("Follow link to attach this email to Juick account:\n" +
+ "http://juick.com/settings?page=auth-email&code=%s\n\n" +
+ "If you don't know, what this mean - just ignore this mail.\n", mailVerificationEvent.getCode()),
+ StringUtils.EMPTY, Collections.emptyMap())) {
+ throw new HttpBadRequestException();
+ }
+ }
+ @Async
+ @EventListener
+ public void processAccountVerificationEvent(AccountVerificationEvent accountVerificationEvent) {
+ String signupUrl = String.format("Follow this link to create Juick account: https://juick.com/signup?type=email&hash=%s", accountVerificationEvent.getCode());
+ sendEmail("noreply@juick.com", accountVerificationEvent.getEmail(), "Juick registration", signupUrl, StringUtils.EMPTY, Collections.emptyMap());
+ }
+
+ private void emailNotify(String email, String subject, Message msg) {
+ Map<String, String> headers = new HashMap<>();
+ if (!MessageUtils.isPM(msg)) {
+ headers.put("Message-ID", String.format("<%d.%d@juick.com>", msg.getMid(), msg.getRid()));
+ }
+ if (MessageUtils.isReply(msg)) {
+ if (msg.getReplyto() > 0) {
+ Message replyto = messagesService.getReply(msg.getMid(), msg.getReplyto());
+ headers.put("In-Reply-To", String.format("<%d.%d@juick.com>", replyto.getMid(), replyto.getRid()));
+ } else {
+ Message original = messagesService.getMessage(msg.getMid()).orElseThrow(IllegalStateException::new);
+ headers.put("In-Reply-To", String.format("<%d.%d@juick.com>", original.getMid(), original.getRid()));
+ }
+ }
+ String plainText = webApp.renderPlaintext(formatPost(msg), formatUrl(msg)).orElseThrow(IllegalStateException::new);
+ String hash = userService.getHashByUID(userService.getUserByEmail(email).getUid());
+ String htmlText = webApp.renderHtml(MessageUtils.formatHtml(msg), formatUrl(msg), msg, hash).orElseThrow(IllegalStateException::new);
+ sendEmail(StringUtils.EMPTY, email, subject, plainText, htmlText, headers);
+ }
+ public boolean sendEmail(String from, String to, String subject, String textPart, String htmlPart, Map<String, String> messageHeaders) {
+ Properties prop = System.getProperties();
+ prop.put("mail.smtp.starttls.enable", "true");
+ Session session = Session.getDefaultInstance(prop);
+ try {
+ Transport transport = session.getTransport("smtp");
+ MimeMessage message = new MimeMessage(session) {
+ protected void updateMessageID() throws MessagingException {
+ for (Map.Entry<String, String> entry: messageHeaders.entrySet()) {
+ setHeader(entry.getKey(), entry.getValue());
+ }
+ }
+ };
+ String fromAddress = StringUtils.isNotEmpty(from) ? from : "juick@juick.com";
+ message.setFrom(fromAddress);
+ message.addRecipient(javax.mail.Message.RecipientType.TO, new InternetAddress(to));
+ message.setSubject(subject);
+ MimeBodyPart textBodyPart = new MimeBodyPart();
+ textBodyPart.setContent(textPart, "text/plain; charset=UTF-8");
+
+ Multipart multipart = new MimeMultipart("alternative");
+ multipart.addBodyPart(textBodyPart);
+ if (StringUtils.isNotBlank(htmlPart)) {
+ MimeBodyPart htmlBodyPart = new MimeBodyPart();
+ htmlBodyPart.setContent(htmlPart, "text/html; charset=UTF-8");
+ multipart.addBodyPart(htmlBodyPart);
+ }
+ message.setContent(multipart);
+ User emailUser = userService.getUserByEmail(to);
+ if (!emailUser.isAnonymous()) {
+ message.setHeader("List-Id", "Juick notifications <mail-notifications.juick.com>");
+ message.setHeader("List-Post", "<mailto:juick@juick.com>");
+ message.setHeader("List-Owner", "<mailto:support@juick.com>");
+ message.setHeader("List-Archive", "<https://juick.com/>");
+ message.setHeader("List-Unsubscribe",
+ String.format("<mailto:unsubscribe@juick.com>,<https://juick.com/settings/unsubscribe?hash=%s>",
+ userService.getHashByUID(emailUser.getUid())));
+ message.setHeader("List-Unsubscribe-Post", "List-Unsubscribe=One-Click");
+ }
+ message.saveChanges();
+ transport.connect();
+ transport.sendMessage(message, message.getAllRecipients());
+ return true;
+ } catch (MessagingException ex) {
+ logger.error("mail exception", ex);
+ return false;
+ }
+ }
+}