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/*
* eXist Mail Module Extension
* Copyright (C) 2006-09 Adam Retter
* www.adamretter.co.uk
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $Id$
*/
package org.exist.xquery.modules.mail;
import java.util.Map.Entry;
import org.exist.xquery.AbstractInternalModule;
import org.exist.xquery.FunctionDef;
import org.exist.xquery.XQueryContext;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Store;
import org.exist.xquery.modules.ModuleUtils;
import org.exist.xquery.modules.ModuleUtils.ContextMapEntryModifier;
import org.exist.xquery.modules.ModuleUtils.ContextMapModifier;
/**
* eXist Mail Module Extension
*
* An extension module for the eXist Native XML Database that allows email to
* be sent from XQuery using either SMTP or Sendmail.
*
* @author Adam Retter
* @author Andrzej Taramina
* @author ljo
* @author José María Fernández
* @serial 2011-09-06
* @version 1.4.1
*
* @see org.exist.xquery.AbstractInternalModule#AbstractInternalModule(org.exist.xquery.FunctionDef[], java.util.Map)
*/
public class MailModule extends AbstractInternalModule {
private final static Logger LOG = LogManager.getLogger( MailModule.class );
public final static String NAMESPACE_URI = "http://exist-db.org/xquery/mail";
public final static String PREFIX = "mail";
// JavaMail-based from 2009-03-14
// makes the need for versioning of the functions obvious too /ljo
public final static String INCLUSION_DATE = "2005-05-12, 2009-03-14";
public final static String RELEASED_IN_VERSION = "eXist-1.2 (JavaMail-based in trunk)";
private final static FunctionDef[] functions = {
new FunctionDef(MailSessionFunctions.signatures[0], MailSessionFunctions.class),
new FunctionDef(MailStoreFunctions.signatures[0], MailStoreFunctions.class),
new FunctionDef(MailStoreFunctions.signatures[1], MailStoreFunctions.class),
new FunctionDef(MailFolderFunctions.signatures[0], MailFolderFunctions.class),
new FunctionDef(MailFolderFunctions.signatures[1], MailFolderFunctions.class),
new FunctionDef(MessageListFunctions.signatures[0], MessageListFunctions.class),
new FunctionDef(MessageListFunctions.signatures[1], MessageListFunctions.class),
new FunctionDef(MessageListFunctions.signatures[2], MessageListFunctions.class),
new FunctionDef(MessageListFunctions.signatures[3], MessageListFunctions.class),
new FunctionDef(MessageFunctions.signatures[0], MessageFunctions.class),
new FunctionDef(SendEmailFunction.signatures[0], SendEmailFunction.class),
// deprecated functions:
new FunctionDef(SendEmailFunction.deprecated, SendEmailFunction.class)
};
public final static String SESSIONS_CONTEXTVAR = "_eXist_mail_sessions";
public final static String STORES_CONTEXTVAR = "_eXist_mail_stores";
public final static String FOLDERS_CONTEXTVAR = "_eXist_mail_folders";
public final static String FOLDERMSGLISTS_CONTEXTVAR = "_eXist_folder_message_lists";
public final static String MSGLISTS_CONTEXTVAR = "_eXist_mail_message_lists";
private static long currentSessionHandle = System.currentTimeMillis();
public MailModule(Map> parameters) {
super(functions, parameters);
}
@Override
public String getNamespaceURI() {
return NAMESPACE_URI;
}
@Override
public String getDefaultPrefix() {
return PREFIX;
}
@Override
public String getDescription() {
return "A module for performing email related functions";
}
@Override
public String getReleaseVersion() {
return RELEASED_IN_VERSION;
}
//***************************************************************************
//*
//* Session Methods
//*
//***************************************************************************/
/**
* Retrieves a previously stored Session from the Context of an XQuery
*
* @param context The Context of the XQuery containing the Session
* @param sessionHandle The handle of the Session to retrieve from the Context of the XQuery
*/
static Session retrieveSession(XQueryContext context, long sessionHandle) {
return ModuleUtils.retrieveObjectFromContextMap(context, MailModule.SESSIONS_CONTEXTVAR, sessionHandle);
}
/**
* Stores a Session in the Context of an XQuery
*
* @param context The Context of the XQuery to store the Session in
* @param session The Session to store
*
* @return A unique handle representing the Session
*/
static long storeSession(XQueryContext context, Session session) {
return ModuleUtils.storeObjectInContextMap(context, MailModule.SESSIONS_CONTEXTVAR, session);
}
//***************************************************************************
//*
//* Store Methods
//*
//***************************************************************************/
/**
* Retrieves a previously saved Store from the Context of an XQuery
*
* @param context The Context of the XQuery containing the Store
* @param storeHandle The handle of the Store to retrieve from the Context of the XQuery
*/
static Store retrieveStore(XQueryContext context, long storeHandle) {
return ModuleUtils.retrieveObjectFromContextMap(context, MailModule.STORES_CONTEXTVAR, storeHandle);
}
/**
* Saves a Store in the Context of an XQuery
*
* @param context The Context of the XQuery to save the Store in
* @param store The Store to store
*
* @return A unique handle representing the Store
*/
static long storeStore(XQueryContext context, Store store) {
return ModuleUtils.storeObjectInContextMap(context, MailModule.STORES_CONTEXTVAR, store);
}
/**
* Remove the store from the specified XQueryContext
*
* @param context The context to remove the store for
*/
static void removeStore(XQueryContext context, final long storeHandle) {
ModuleUtils.modifyContextMap(context, MailModule.STORES_CONTEXTVAR, (ContextMapModifier) map -> map.remove(storeHandle));
//update the context
//context.setXQueryContextVar(MailModule.STORES_CONTEXTVAR, stores);
}
/**
* Closes all the open stores for the specified XQueryContext
*
* @param context The context to close stores for
*/
private static void closeAllStores(XQueryContext context) {
ModuleUtils.modifyContextMap(context, MailModule.STORES_CONTEXTVAR, new ContextMapEntryModifier(){
@Override
public void modify(Map map) {
super.modify(map);
//remove all stores from map
map.clear();
}
@Override
public void modify(Entry entry) {
final Store store = entry.getValue();
try {
// close the store
store.close();
} catch(MessagingException me) {
LOG.warn("Unable to close Mail Store: " + me.getMessage(), me);
}
}
});
// update the context
//context.setXQueryContextVar(MailModule.STORES_CONTEXTVAR, stores);
}
//***************************************************************************
//*
//* Folder Methods
//*
//***************************************************************************/
/**
* Retrieves a previously saved Folder from the Context of an XQuery
*
* @param context The Context of the XQuery containing the Folder
* @param folderHandle The handle of the Folder to retrieve from the Context of the XQuery
*/
static Folder retrieveFolder(XQueryContext context, long folderHandle) {
return ModuleUtils.retrieveObjectFromContextMap(context, MailModule.FOLDERS_CONTEXTVAR, folderHandle);
}
/**
* Saves a Folder in the Context of an XQuery
*
* @param context The Context of the XQuery to save the Folder in
* @param folder The Folder to store
*
* @return A unique handle representing the Store
*/
static long storeFolder(XQueryContext context, Folder folder) {
return ModuleUtils.storeObjectInContextMap(context, MailModule.FOLDERS_CONTEXTVAR, folder);
}
/**
* Remove the folder from the specified XQueryContext
*
* @param context The context to remove the store for
*/
static void removeFolder(final XQueryContext context, final long folderHandle) {
ModuleUtils.modifyContextMap(context, MailModule.FOLDERS_CONTEXTVAR, (ContextMapModifier) map -> {
//remove the message lists for the folder
ModuleUtils.modifyContextMap(context, MailModule.FOLDERMSGLISTS_CONTEXTVAR, (ContextMapModifier>) map12 -> {
final Map folderMsgList = map12.get(folderHandle);
ModuleUtils.modifyContextMap(context, MailModule.MSGLISTS_CONTEXTVAR, (ContextMapModifier) map1 -> folderMsgList.keySet().forEach(map1::remove));
//remove the folder message kist
map12.remove(folderHandle);
});
//remove the folder
map.remove(folderHandle);
});
}
/**
* Closes all the open folders for the specified XQueryContext
*
* @param context The context to close folders for
*/
private static void closeAllFolders(XQueryContext context) {
ModuleUtils.modifyContextMap(context, MailModule.FOLDERS_CONTEXTVAR, new ContextMapEntryModifier(){
@Override
public void modify(Map map) {
super.modify(map);
//remove all from the folders map
map.clear();
}
@Override
public void modify(Entry entry) {
final Folder folder = entry.getValue();
//close the folder
try {
folder.close(false);
} catch(MessagingException me) {
LOG.warn( "Unable to close Mail Folder: " + me.getMessage(), me);
}
}
});
// update the context
// context.setXQueryContextVar( MailModule.FOLDERS_CONTEXTVAR, folders );
}
//***************************************************************************
//*
//* Message List Methods
//*
//***************************************************************************/
/**
* Retrieves a previously saved MessageList from the Context of an XQuery
*
* @param context The Context of the XQuery containing the Message List
* @param msgListHandle The handle of the Message List to retrieve from the Context of the XQuery
*/
static Message[] retrieveMessageList(XQueryContext context, long msgListHandle) {
return ModuleUtils.retrieveObjectFromContextMap(context, MailModule.MSGLISTS_CONTEXTVAR, msgListHandle);
}
/**
* Saves a MessageList in the Context of an XQuery
*
* @param context The Context of the XQuery to save the MessageList in
* @param msgList The MessageList to store
*
* @return A unique handle representing the Store
*/
static long storeMessageList(XQueryContext context, final Message[] msgList, final long folderHandle) {
final long msgListHandle = ModuleUtils.storeObjectInContextMap(context, MailModule.MSGLISTS_CONTEXTVAR, msgList);
ModuleUtils.modifyContextMap(context, MailModule.FOLDERMSGLISTS_CONTEXTVAR, (ContextMapModifier>) map -> {
Map folderMsgList = map.computeIfAbsent(folderHandle, k -> new HashMap<>());
folderMsgList.put(msgListHandle, msgList);
});
return msgListHandle;
}
/**
* Remove the MessageList from the specified XQueryContext
*
* @param context The context to remove the MessageList for
*/
static void removeMessageList(XQueryContext context, final long msgListHandle) {
ModuleUtils.modifyContextMap(context, MailModule.MSGLISTS_CONTEXTVAR, (ContextMapModifier) map -> map.remove(msgListHandle));
// update the context
//context.setXQueryContextVar( MailModule.MSGLISTS_CONTEXTVAR, msgLists );
}
/**
* Closes all the open MessageLists for the specified XQueryContext
*
* @param context The context to close MessageLists for
*/
private static void closeAllMessageLists(XQueryContext context) {
ModuleUtils.modifyContextMap(context, MailModule.MSGLISTS_CONTEXTVAR, (ContextMapModifier) Map::clear);
// update the context
//context.setXQueryContextVar( MailModule.MSGLISTS_CONTEXTVAR, msgLists );
}
/**
* Resets the Module Context and closes any open mail stores/folders/message lists for the XQueryContext
*
* @param context The XQueryContext
*/
@Override
public void reset( XQueryContext context, boolean keepGlobals ) {
// reset the module context
super.reset(context, keepGlobals);
// close any open MessageLists
closeAllMessageLists(context);
// close any open folders
closeAllFolders(context);
// close any open stores
closeAllStores(context);
}
}
