/**
* This file is part of lavagna.
*
* lavagna is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* lavagna 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with lavagna. If not, see <http://www.gnu.org/licenses/>.
*/
package io.lavagna.service;
import io.lavagna.model.*;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.commonmark.node.Node;
import org.commonmark.parser.Parser;
import org.commonmark.renderer.html.HtmlRenderer;
import org.commonmark.renderer.text.TextContentRenderer;
import org.jsoup.Jsoup;
import org.springframework.integration.mail.ImapMailReceiver;
import org.springframework.integration.mail.MailReceiver;
import org.springframework.integration.mail.Pop3MailReceiver;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import javax.mail.Address;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import java.io.IOException;
import java.util.Date;
import java.util.List;
import java.util.Properties;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@Service
public class MailTicketService {
private static final Logger LOG = LogManager.getLogger();
private final MailTicketRepository mailTicketRepository;
private final CardService cardService;
private final CardDataService cardDataService;
private final UserRepository userRepository;
private final EventEmitter eventEmitter;
private final BoardRepository boardRepository;
private final static String EMAIL_PROVIDER = "ticket-email";
private final static String DEFAULT_INBOX = "inbox";
private final static Pattern CARD_SHORT_NAME = Pattern.compile(".?(?<shortname>[A-Z0-9]+)\\-(?<sequence>[0-9]+).?");
public MailTicketService(MailTicketRepository mailTicketRepository,
CardService cardService,
CardDataService cardDataService,
UserRepository userRepository,
EventEmitter eventEmitter,
BoardRepository boardRepository) {
this.mailTicketRepository = mailTicketRepository;
this.cardService = cardService;
this.cardDataService = cardDataService;
this.userRepository = userRepository;
this.eventEmitter = eventEmitter;
this.boardRepository = boardRepository;
}
public List<ProjectMailTicketConfig> findAllByProject(final int projectId) {
return mailTicketRepository.findAllByProject(projectId);
}
public ProjectMailTicketConfig findConfig(final int id) {
return mailTicketRepository.findConfig(id);
}
public ProjectMailTicket findTicket(final int id) {
return mailTicketRepository.findTicket(id);
}
@Transactional(readOnly = false)
public ProjectMailTicketConfig addConfig(final String name, final int projectId, final ProjectMailTicketConfigData config, final String subject, final String body) {
mailTicketRepository.addConfig(name, projectId, config, subject, body);
return mailTicketRepository.findLastCreatedConfig();
}
@Transactional(readOnly = false)
public int updateConfig(final int id, final String name, final boolean enabled, final ProjectMailTicketConfigData config, final String subject, final String body, final int projectId) {
return mailTicketRepository.updateConfig(id, name, enabled, config, subject, body, projectId);
}
@Transactional(readOnly = false)
public int deleteConfig(final int id, final int projectId) {
return mailTicketRepository.deleteConfig(id, projectId);
}
@Transactional(readOnly = false)
public ProjectMailTicket addTicket(final String name, final String alias, final boolean useAlias, final boolean overrideNotification, final String subject, final String body, final int columnId, final int configId, final String metadata) {
mailTicketRepository.addTicket(name, alias, useAlias, overrideNotification, subject, body, columnId, configId, metadata);
return mailTicketRepository.findLastCreatedTicket();
}
@Transactional(readOnly = false)
public int updateTicket(final int id, final String name, final boolean enabled, final String alias, final boolean useAlias, final boolean overrideNotification, final String subject, final String body, final int columnId, final int configId, final String metadata) {
return mailTicketRepository.updateTicket(id, name, enabled, alias, useAlias, overrideNotification, subject, body, columnId, configId, metadata);
}
@Transactional(readOnly = false)
public int deleteTicket(final int id) {
return mailTicketRepository.deleteTicket(id);
}
public void checkNew() {
List<ProjectMailTicketConfig> entries = mailTicketRepository.findAll();
for (ProjectMailTicketConfig entry : entries) {
if (entry.getEntries().size() == 0 || !entry.getEnabled()) {
continue;
}
MailReceiver receiver = entry.getConfig().getInboundProtocol().startsWith("pop3") ?
getPop3MailReceiver(entry.getConfig()) :
getImapMailReceiver(entry.getConfig());
try {
Date updateLastChecked = entry.getLastChecked();
Object[] messages = receiver.receive();
LOG.debug("found {} messages", messages.length);
for (int i = 0; i < messages.length; i++) {
MimeMessage message = (MimeMessage) messages[i];
if (!message.getReceivedDate().after(entry.getLastChecked())) {
continue;
} else {
updateLastChecked = message.getReceivedDate().after(updateLastChecked) ?
message.getReceivedDate() :
updateLastChecked;
}
String deliveredTo = getDeliveredTo(message);
for (ProjectMailTicket ticketConfig : entry.getEntries()) {
if (ticketConfig.getEnabled() && ticketConfig.getAlias().equals(deliveredTo)) {
String from = getFrom(message);
String name = getName(message);
Matcher m = CARD_SHORT_NAME.matcher(message.getSubject());
if (!m.find() ||
(m.find() && !cardService.existCardWith(m.group("shortname"), Integer.parseInt(m.group("sequence"))))) {
try {
ImmutablePair<Card, User> cardAndUser = createCard(message.getSubject(), getTextFromMessage(message), from, ticketConfig.getColumnId());
notify(cardAndUser.getLeft(), entry, ticketConfig, cardAndUser.getRight(), from, name);
} catch (IOException | MessagingException e) {
LOG.error("failed to parse message body", e);
}
}
}
}
}
mailTicketRepository.updateLastChecked(entry.getId(), updateLastChecked);
} catch (MessagingException e) {
LOG.error("could not retrieve messages for ticket mail config id: {}", entry.getId());
}
}
}
@Transactional(readOnly = true)
private ImmutablePair<Card, User> createCard(String name, String description, String username, int columnId) {
if (!userRepository.userExists(EMAIL_PROVIDER, username)) {
userRepository.createUser(EMAIL_PROVIDER, username, null, null, null, true);
}
User user = userRepository.findUserByName(EMAIL_PROVIDER, username);
Card card = cardService.createCardFromTop(name, columnId, new Date(), user);
cardDataService.updateDescription(card.getId(), description, new Date(), user.getId());
return new ImmutablePair<>(card, user);
}
private String getTextFromMessage(Message message) throws MessagingException, IOException {
String result = "";
if (message.isMimeType("text/plain")) {
result = message.getContent().toString();
} else if (message.isMimeType("multipart/*")) {
MimeMultipart mimeMultipart = (MimeMultipart) message.getContent();
result = getTextFromMimeMultipart(mimeMultipart);
}
return result;
}
private String getTextFromMimeMultipart(
MimeMultipart mimeMultipart) throws MessagingException, IOException {
String result = "";
int count = mimeMultipart.getCount();
for (int i = 0; i < count; i++) {
BodyPart bodyPart = mimeMultipart.getBodyPart(i);
if (bodyPart.isMimeType("text/plain")) {
result = result + "\n" + bodyPart.getContent();
break;
} else if (bodyPart.isMimeType("text/html")) {
String html = (String) bodyPart.getContent();
result = result + "\n" + Jsoup.parse(html).text();
} else if (bodyPart.getContent() instanceof MimeMultipart) {
result = result + getTextFromMimeMultipart((MimeMultipart) bodyPart.getContent());
}
}
return result;
}
private MailReceiver getPop3MailReceiver(ProjectMailTicketConfigData config) {
String sanitizedUsername = sanitizeUsername(config.getInboundUser());
String inboxFolder = getInboxFolder(config);
String url = "pop3://"
+ sanitizedUsername + ":" + config.getInboundPassword() + "@"
+ config.getInboundServer()
+ "/" + inboxFolder.toUpperCase();
Pop3MailReceiver receiver = new Pop3MailReceiver(url);
Properties mailProperties = new Properties();
mailProperties.setProperty("mail.pop3.port", Integer.toString(config.getInboundPort()));
if (config.getInboundProtocol().equals("pop3s")) {
mailProperties.setProperty("mail.pop3.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
mailProperties.setProperty("mail.pop3.socketFactory.fallback", "false");
mailProperties.setProperty("mail.pop3.socketFactory.port", Integer.toString(config.getInboundPort()));
}
mailProperties.putAll(config.generateInboundProperties());
receiver.setJavaMailProperties(mailProperties);
return receiver;
}
private MailReceiver getImapMailReceiver(ProjectMailTicketConfigData config) {
String sanitizedUsername = sanitizeUsername(config.getInboundUser());
String inboxFolder = getInboxFolder(config);
String url = config.getInboundProtocol() + "://"
+ sanitizedUsername + ":" + config.getInboundPassword() + "@"
+ config.getInboundServer() + ":" + config.getInboundPort()
+ "/" + inboxFolder.toLowerCase();
ImapMailReceiver receiver = new ImapMailReceiver(url);
receiver.setShouldMarkMessagesAsRead(true);
receiver.setShouldDeleteMessages(false);
Properties mailProperties = new Properties();
if (config.getInboundProtocol().equals("imaps")) {
mailProperties.setProperty("mail.pop3.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
mailProperties.setProperty("mail.pop3.socketFactory.fallback", "false");
}
mailProperties.setProperty("mail.store.protocol", config.getInboundProtocol());
mailProperties.putAll(config.generateInboundProperties());
receiver.setJavaMailProperties(mailProperties);
receiver.afterPropertiesSet();
return receiver;
}
private String getInboxFolder(ProjectMailTicketConfigData config) {
return config.getInboundInboxFolder() != null && config.getInboundInboxFolder().trim().length() > 0 ?
config.getInboundInboxFolder() :
DEFAULT_INBOX;
}
private String sanitizeUsername(String username) {
return username != null ? username.replace("@", "%40") : null;
}
private String getFrom(MimeMessage message) throws MessagingException {
Address[] froms = message.getFrom();
return froms == null ? null : ((InternetAddress) froms[0]).getAddress();
}
private String getName(MimeMessage message) throws MessagingException {
Address[] froms = message.getFrom();
return froms == null ? null : ((InternetAddress) froms[0]).getPersonal();
}
private String getDeliveredTo(MimeMessage message) throws MessagingException {
return message.getHeader("Delivered-To", "");
}
private void notify(Card createdCard, ProjectMailTicketConfig config, ProjectMailTicket ticketConfig, User user, String to, String name) {
ProjectAndBoard projectAndBoard = boardRepository.findProjectAndBoardByColumnId(createdCard.getColumnId());
eventEmitter.emitCreateCard(projectAndBoard.getProject().getShortName(), projectAndBoard.getBoard()
.getShortName(), createdCard.getColumnId(), createdCard, user);
sendEmail(to, name, createdCard, projectAndBoard.getBoard(), config, ticketConfig);
}
private void sendEmail(String to, String name, Card createdCard, Board board, ProjectMailTicketConfig config, ProjectMailTicket ticketConfig) {
String cardId = board.getShortName() + "-" + createdCard.getSequence();
String subjectTemplate = "" + (ticketConfig.getNotificationOverride() ? ticketConfig.getSubject() : config.getSubject());
String bodyTemplate = "" + (ticketConfig.getNotificationOverride() ? ticketConfig.getBody() : config.getBody());
String subject = subjectTemplate.replaceAll("\\{\\{card}}", cardId);
String body = bodyTemplate.replaceAll("\\{\\{card}}", cardId).replaceAll("\\{\\{name}}", name != null ? name : to);
Parser parser = Parser.builder().build();
Node document = parser.parse(body);
HtmlRenderer htmlRenderer = HtmlRenderer.builder().build();
TextContentRenderer textRendered = TextContentRenderer.builder().build();
String htmlText = htmlRenderer.render(document);
String plainText = textRendered.render(document);
ProjectMailTicketConfigData configData = config.getConfig();
MailConfig mailConfig = new MailConfig(configData.getOutboundServer(),
configData.getOutboundPort(),
configData.getOutboundProtocol(),
configData.getOutboundUser(),
configData.getOutboundPassword(),
ticketConfig.getSendByAlias() ? ticketConfig.getAlias() : configData.getOutboundAddress(),
configData.getOutboundProperties());
mailConfig.send(to, subject, plainText, htmlText);
}
}