/**
* Adds a message to this message store. Messages will be stored and made available for later
* delivery.
*
* @param message the message to store.
*/
public void addMessage(Message message) {
if (message == null) {
return;
}
if (!shouldStoreMessage(message)) {
return;
}
JID recipient = message.getTo();
String username = recipient.getNode();
// If the username is null (such as when an anonymous user), don't store.
if (username == null || !UserManager.getInstance().isRegisteredUser(recipient)) {
return;
} else if (!XMPPServer.getInstance()
.getServerInfo()
.getXMPPDomain()
.equals(recipient.getDomain())) {
// Do not store messages sent to users of remote servers
return;
}
long messageID = SequenceManager.nextID(JiveConstants.OFFLINE);
// Get the message in XML format.
String msgXML = message.getElement().asXML();
Connection con = null;
PreparedStatement pstmt = null;
try {
con = DbConnectionManager.getConnection();
pstmt = con.prepareStatement(INSERT_OFFLINE);
pstmt.setString(1, username);
pstmt.setLong(2, messageID);
pstmt.setString(3, StringUtils.dateToMillis(new java.util.Date()));
pstmt.setInt(4, msgXML.length());
pstmt.setString(5, msgXML);
pstmt.executeUpdate();
} catch (Exception e) {
Log.error(LocaleUtils.getLocalizedString("admin.error"), e);
} finally {
DbConnectionManager.closeConnection(pstmt, con);
}
// Update the cached size if it exists.
if (sizeCache.containsKey(username)) {
int size = sizeCache.get(username);
size += msgXML.length();
sizeCache.put(username, size);
}
}
/**
* Returns the offline message of the specified user with the given creation date. The returned
* message will NOT be deleted from the database.
*
* @param username the username of the user who's message you'd like to receive.
* @param creationDate the date when the offline message was stored in the database.
* @return the offline message of the specified user with the given creation stamp.
*/
public OfflineMessage getMessage(String username, Date creationDate) {
OfflineMessage message = null;
Connection con = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
SAXReader xmlReader = null;
try {
// Get a sax reader from the pool
xmlReader = xmlReaders.take();
con = DbConnectionManager.getConnection();
pstmt = con.prepareStatement(LOAD_OFFLINE_MESSAGE);
pstmt.setString(1, username);
pstmt.setString(2, StringUtils.dateToMillis(creationDate));
rs = pstmt.executeQuery();
while (rs.next()) {
String msgXML = rs.getString(1);
message =
new OfflineMessage(
creationDate, xmlReader.read(new StringReader(msgXML)).getRootElement());
// Add a delayed delivery (XEP-0203) element to the message.
Element delay = message.addChildElement("delay", "urn:xmpp:delay");
delay.addAttribute("from", XMPPServer.getInstance().getServerInfo().getXMPPDomain());
delay.addAttribute("stamp", XMPPDateTimeFormat.format(creationDate));
}
} catch (Exception e) {
Log.error(
"Error retrieving offline messages of username: "******" creationDate: "
+ creationDate,
e);
} finally {
// Return the sax reader to the pool
if (xmlReader != null) {
xmlReaders.add(xmlReader);
}
DbConnectionManager.closeConnection(rs, pstmt, con);
}
return message;
}
/**
* Returns the instance of <tt>OfflineMessageStore</tt> being used by the XMPPServer.
*
* @return the instance of <tt>OfflineMessageStore</tt> being used by the XMPPServer.
*/
public static OfflineMessageStore getInstance() {
return XMPPServer.getInstance().getOfflineMessageStore();
}
/**
* Returns a Collection of all messages in the store for a user. Messages may be deleted after
* being selected from the database depending on the delete param.
*
* @param username the username of the user who's messages you'd like to receive.
* @param delete true if the offline messages should be deleted.
* @return An iterator of packets containing all offline messages.
*/
public Collection<OfflineMessage> getMessages(String username, boolean delete) {
List<OfflineMessage> messages = new ArrayList<>();
SAXReader xmlReader = null;
Connection con = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
try {
// Get a sax reader from the pool
xmlReader = xmlReaders.take();
con = DbConnectionManager.getConnection();
pstmt = con.prepareStatement(LOAD_OFFLINE);
pstmt.setString(1, username);
rs = pstmt.executeQuery();
while (rs.next()) {
String msgXML = rs.getString(1);
Date creationDate = new Date(Long.parseLong(rs.getString(2).trim()));
OfflineMessage message;
try {
message =
new OfflineMessage(
creationDate, xmlReader.read(new StringReader(msgXML)).getRootElement());
} catch (DocumentException e) {
// Try again after removing invalid XML chars (e.g. )
Matcher matcher = pattern.matcher(msgXML);
if (matcher.find()) {
msgXML = matcher.replaceAll("");
}
try {
message =
new OfflineMessage(
creationDate, xmlReader.read(new StringReader(msgXML)).getRootElement());
} catch (DocumentException de) {
Log.error("Failed to route packet (offline message): " + msgXML, de);
continue; // skip and process remaining offline messages
}
}
// if there is already a delay stamp, we shouldn't add another.
Element delaytest = message.getChildElement("delay", "urn:xmpp:delay");
if (delaytest == null) {
// Add a delayed delivery (XEP-0203) element to the message.
Element delay = message.addChildElement("delay", "urn:xmpp:delay");
delay.addAttribute("from", XMPPServer.getInstance().getServerInfo().getXMPPDomain());
delay.addAttribute("stamp", XMPPDateTimeFormat.format(creationDate));
}
messages.add(message);
}
// Check if the offline messages loaded should be deleted, and that there are
// messages to delete.
if (delete && !messages.isEmpty()) {
PreparedStatement pstmt2 = null;
try {
pstmt2 = con.prepareStatement(DELETE_OFFLINE);
pstmt2.setString(1, username);
pstmt2.executeUpdate();
removeUsernameFromSizeCache(username);
} catch (Exception e) {
Log.error("Error deleting offline messages of username: "******"Error retrieving offline messages of username: " + username, e);
} finally {
DbConnectionManager.closeConnection(rs, pstmt, con);
// Return the sax reader to the pool
if (xmlReader != null) {
xmlReaders.add(xmlReader);
}
}
return messages;
}