001
014
015 package com.liferay.portal.pop.messaging;
016
017 import com.liferay.portal.kernel.log.Log;
018 import com.liferay.portal.kernel.log.LogFactoryUtil;
019 import com.liferay.portal.kernel.mail.Account;
020 import com.liferay.portal.kernel.pop.MessageListener;
021 import com.liferay.portal.kernel.util.ArrayUtil;
022 import com.liferay.portal.kernel.util.GetterUtil;
023 import com.liferay.portal.kernel.util.StringPool;
024 import com.liferay.portal.kernel.util.Validator;
025 import com.liferay.portal.pop.POPServerUtil;
026 import com.liferay.util.mail.MailEngine;
027
028 import java.util.List;
029
030 import javax.mail.Address;
031 import javax.mail.Flags;
032 import javax.mail.Folder;
033 import javax.mail.Message;
034 import javax.mail.Message.RecipientType;
035 import javax.mail.MessagingException;
036 import javax.mail.Session;
037 import javax.mail.Store;
038 import javax.mail.internet.InternetAddress;
039
040
043 public class POPNotificationsMessageListener
044 extends com.liferay.portal.kernel.messaging.BaseMessageListener {
045
046 @Override
047 protected void doReceive(
048 com.liferay.portal.kernel.messaging.Message message)
049 throws Exception {
050
051 try {
052 pollPopServer();
053 }
054 finally {
055 _store = null;
056 _inboxFolder = null;
057 }
058 }
059
060 protected String getEmailAddress(Address[] addresses) {
061 if (ArrayUtil.isEmpty(addresses)) {
062 return StringPool.BLANK;
063 }
064
065 InternetAddress internetAddress = (InternetAddress)addresses[0];
066
067 return internetAddress.getAddress();
068 }
069
070 protected void initInboxFolder() throws Exception {
071 if ((_inboxFolder == null) || !_inboxFolder.isOpen()) {
072 initStore();
073
074 Folder defaultFolder = _store.getDefaultFolder();
075
076 Folder[] folders = defaultFolder.list();
077
078 if (folders.length == 0) {
079 throw new MessagingException("Inbox not found");
080 }
081 else {
082 _inboxFolder = folders[0];
083
084 _inboxFolder.open(Folder.READ_WRITE);
085 }
086 }
087 }
088
089 protected void initStore() throws Exception {
090 if ((_store != null) && _store.isConnected()) {
091 return;
092 }
093
094 Session session = MailEngine.getSession();
095
096 String storeProtocol = GetterUtil.getString(
097 session.getProperty("mail.store.protocol"));
098
099 if (!storeProtocol.equals(Account.PROTOCOL_POPS)) {
100 storeProtocol = Account.PROTOCOL_POP;
101 }
102
103 _store = session.getStore(storeProtocol);
104
105 String prefix = "mail." + storeProtocol + ".";
106
107 String host = session.getProperty(prefix + "host");
108
109 String user = session.getProperty(prefix + "user");
110
111 if (Validator.isNull(user)) {
112 user = session.getProperty("mail.smtp.user");
113 }
114
115 String password = session.getProperty(prefix + "password");
116
117 if (Validator.isNull(password)) {
118 password = session.getProperty("mail.smtp.password");
119 }
120
121 _store.connect(host, user, password);
122 }
123
124 protected void notifyMessageListeners(
125 List<MessageListener> messageListeners, Message message)
126 throws Exception {
127
128 String from = getEmailAddress(message.getFrom());
129 String recipient = getEmailAddress(
130 message.getRecipients(RecipientType.TO));
131
132 if (_log.isDebugEnabled()) {
133 _log.debug("From " + from);
134 _log.debug("Recipient " + recipient);
135 }
136
137 for (MessageListener messageListener : messageListeners) {
138 try {
139 if (messageListener.accept(from, recipient, message)) {
140 messageListener.deliver(from, recipient, message);
141 }
142 }
143 catch (Exception e) {
144 _log.error(e, e);
145 }
146 }
147 }
148
149 protected void notifyMessageListeners(Message[] messages) throws Exception {
150 if (_log.isDebugEnabled()) {
151 _log.debug("Messages " + messages.length);
152 }
153
154 List<MessageListener> messageListeners = POPServerUtil.getListeners();
155
156 for (int i = 0; i < messages.length; i++) {
157 Message message = messages[i];
158
159 if (_log.isDebugEnabled()) {
160 _log.debug("Message " + message);
161 }
162
163 notifyMessageListeners(messageListeners, message);
164 }
165 }
166
167 protected void pollPopServer() throws Exception {
168 initInboxFolder();
169
170 Message[] messages = _inboxFolder.getMessages();
171
172 try {
173 notifyMessageListeners(messages);
174 }
175 finally {
176 if (_log.isDebugEnabled()) {
177 _log.debug("Deleting messages");
178 }
179
180 _inboxFolder.setFlags(
181 messages, new Flags(Flags.Flag.DELETED), true);
182
183 _inboxFolder.close(true);
184 }
185 }
186
187 private static Log _log = LogFactoryUtil.getLog(
188 POPNotificationsMessageListener.class);
189
190 private Folder _inboxFolder;
191 private Store _store;
192
193 }