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| | | /*
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| | | * Copyright 2011 gitblit.com.
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| | | *
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| | | * Licensed under the Apache License, Version 2.0 (the "License");
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| | | * you may not use this file except in compliance with the License.
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| | | * You may obtain a copy of the License at
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| | | *
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| | | * http://www.apache.org/licenses/LICENSE-2.0
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| | | *
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| | | * Unless required by applicable law or agreed to in writing, software
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| | | * distributed under the License is distributed on an "AS IS" BASIS,
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| | | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| | | * See the License for the specific language governing permissions and
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| | | * limitations under the License.
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| | | */
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| | | package com.gitblit;
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| | |
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| | | import java.util.ArrayList;
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| | | import java.util.Arrays;
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| | | import java.util.Date;
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| | | import java.util.HashSet;
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| | | import java.util.List;
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| | | import java.util.Properties;
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| | | import java.util.Queue;
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| | | import java.util.Set;
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| | | import java.util.concurrent.ConcurrentLinkedQueue;
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| | | import java.util.regex.Pattern;
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| | |
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| | | import javax.mail.Authenticator;
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| | | import javax.mail.Message;
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| | | import javax.mail.PasswordAuthentication;
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| | | import javax.mail.Session;
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| | | import javax.mail.Transport;
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| | | import javax.mail.internet.InternetAddress;
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| | | import javax.mail.internet.MimeMessage;
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| | |
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| | | import org.slf4j.Logger;
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| | | import org.slf4j.LoggerFactory;
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| | |
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| | | import com.gitblit.utils.StringUtils;
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| | |
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| | | /**
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| | | * The mail executor handles sending email messages asynchronously from queue.
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| | | * |
| | | * @author James Moger
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| | | * |
| | | */
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| | | public class MailExecutor implements Runnable {
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| | |
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| | | private final Logger logger = LoggerFactory.getLogger(MailExecutor.class);
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| | |
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| | | private final Queue<Message> queue = new ConcurrentLinkedQueue<Message>();
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| | |
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| | | private final Session session;
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| | |
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| | | private final IStoredSettings settings;
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| | |
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| | | public MailExecutor(IStoredSettings settings) {
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| | | this.settings = settings;
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| | |
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| | | final String mailUser = settings.getString(Keys.mail.username, null);
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| | | final String mailPassword = settings.getString(Keys.mail.password, null);
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| | | final boolean smtps = settings.getBoolean(Keys.mail.smtps, false);
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| | | boolean authenticate = !StringUtils.isEmpty(mailUser) && !StringUtils.isEmpty(mailPassword);
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| | | String server = settings.getString(Keys.mail.server, "");
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| | | if (StringUtils.isEmpty(server)) {
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| | | session = null;
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| | | return;
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| | | }
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| | | int port = settings.getInteger(Keys.mail.port, 25);
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| | | boolean isGMail = false;
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| | | if (server.equals("smtp.gmail.com")) {
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| | | port = 465;
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| | | isGMail = true;
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| | | }
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| | |
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| | | Properties props = new Properties();
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| | | props.setProperty("mail.smtp.host", server);
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| | | props.setProperty("mail.smtp.port", String.valueOf(port));
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| | | props.setProperty("mail.smtp.auth", String.valueOf(authenticate));
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| | | props.setProperty("mail.smtp.auths", String.valueOf(authenticate));
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| | |
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| | | if (isGMail || smtps) {
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| | | props.setProperty("mail.smtp.starttls.enable", "true");
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| | | props.put("mail.smtp.socketFactory.port", String.valueOf(port));
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| | | props.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
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| | | props.put("mail.smtp.socketFactory.fallback", "false");
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| | | }
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| | |
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| | | if (!StringUtils.isEmpty(mailUser) && !StringUtils.isEmpty(mailPassword)) {
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| | | // SMTP requires authentication
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| | | session = Session.getInstance(props, new Authenticator() {
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| | | protected PasswordAuthentication getPasswordAuthentication() {
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| | | PasswordAuthentication passwordAuthentication = new PasswordAuthentication(
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| | | mailUser, mailPassword);
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| | | return passwordAuthentication;
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| | | }
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| | | });
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| | | } else {
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| | | // SMTP does not require authentication
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| | | session = Session.getInstance(props);
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| | | }
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| | | }
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| | |
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| | | /**
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| | | * Indicates if the mail executor can send emails.
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| | | * |
| | | * @return true if the mail executor is ready to send emails
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| | | */
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| | | public boolean isReady() {
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| | | return session != null;
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| | | }
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| | |
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| | |
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| | | /**
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| | | * Create a message.
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| | | * |
| | | * @param toAddresses
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| | | * @return a message
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| | | */
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| | | public Message createMessage(String... toAddresses) {
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| | | return createMessage(Arrays.asList(toAddresses));
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| | | }
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| | |
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| | | /**
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| | | * Create a message.
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| | | * |
| | | * @param toAddresses
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| | | * @return a message
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| | | */
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| | | public Message createMessage(List<String> toAddresses) {
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| | | MimeMessage message = new MimeMessage(session);
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| | | try {
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| | | String fromAddress = settings.getString(Keys.mail.fromAddress, null);
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| | | if (StringUtils.isEmpty(fromAddress)) {
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| | | fromAddress = "gitblit@gitblit.com";
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| | | }
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| | | InternetAddress from = new InternetAddress(fromAddress, "Gitblit");
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| | | message.setFrom(from);
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| | |
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| | | // determine unique set of addresses
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| | | Set<String> uniques = new HashSet<String>();
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| | | for (String address : toAddresses) {
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| | | uniques.add(address.toLowerCase());
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| | | }
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| | | |
| | | Pattern validEmail = Pattern
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| | | .compile("^([a-zA-Z0-9_\\-\\.]+)@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([a-zA-Z0-9\\-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$");
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| | | List<InternetAddress> tos = new ArrayList<InternetAddress>();
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| | | for (String address : uniques) {
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| | | if (StringUtils.isEmpty(address)) {
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| | | continue;
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| | | }
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| | | if (validEmail.matcher(address).find()) {
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| | | try {
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| | | tos.add(new InternetAddress(address));
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| | | } catch (Throwable t) {
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| | | }
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| | | }
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| | | } |
| | | message.setRecipients(Message.RecipientType.BCC,
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| | | tos.toArray(new InternetAddress[tos.size()]));
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| | | message.setSentDate(new Date());
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| | | } catch (Exception e) {
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| | | logger.error("Failed to properly create message", e);
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| | | }
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| | | return message;
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| | | }
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| | |
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| | | /**
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| | | * Returns the status of the mail queue.
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| | | * |
| | | * @return true, if the queue is empty
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| | | */
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| | | public boolean hasEmptyQueue() {
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| | | return queue.isEmpty();
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| | | }
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| | |
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| | | /**
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| | | * Queue's an email message to be sent.
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| | | * |
| | | * @param message
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| | | * @return true if the message was queued
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| | | */
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| | | public boolean queue(Message message) {
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| | | if (!isReady()) {
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| | | return false;
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| | | }
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| | | try {
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| | | message.saveChanges();
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| | | } catch (Throwable t) {
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| | | logger.error("Failed to save changes to message!", t);
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| | | }
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| | | queue.add(message);
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| | | return true;
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| | | }
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| | |
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| | | @Override
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| | | public void run() {
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| | | if (!queue.isEmpty()) {
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| | | if (session != null) {
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| | | // send message via mail server
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| | | List<Message> failures = new ArrayList<Message>();
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| | | Message message = null;
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| | | while ((message = queue.poll()) != null) {
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| | | try {
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| | | if (settings.getBoolean(Keys.mail.debug, false)) {
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| | | logger.info("send: " + StringUtils.trimString(message.getSubject(), 60));
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| | | }
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| | | Transport.send(message);
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| | | } catch (Throwable e) {
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| | | logger.error("Failed to send message", e);
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| | | failures.add(message);
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| | | }
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| | | }
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| | | |
| | | // push the failures back onto the queue for the next cycle
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| | | queue.addAll(failures);
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| | | }
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| | | }
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| | | }
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| | | |
| | | public void sendNow(Message message) throws Exception {
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| | | Transport.send(message);
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| | | }
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| | | }
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