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EmailServer code.
- This is not fully integrated. In fact, the integration points have been disabled. - The main code for now is the remote stream. git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@6756 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Derek Hulley
325
source/java/org/alfresco/email/server/EmailServiceImpl.java
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325
source/java/org/alfresco/email/server/EmailServiceImpl.java
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/*
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* Copyright (C) 2005-2007 Alfresco Software Limited.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* As a special exception to the terms and conditions of version 2.0 of
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* the GPL, you may redistribute this Program in connection with Free/Libre
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* and Open Source Software ("FLOSS") applications as described in Alfresco's
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* FLOSS exception. You should have recieved a copy of the text describing
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* the FLOSS exception, and it is also available here:
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* http://www.alfresco.com/legal/licensing"
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*/
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package org.alfresco.email.server;
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import java.util.Collection;
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import java.util.Map;
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import org.alfresco.email.server.handler.EmailMessageHandler;
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import org.alfresco.i18n.I18NUtil;
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import org.alfresco.model.ContentModel;
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import org.alfresco.repo.security.authentication.AuthenticationUtil;
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import org.alfresco.repo.security.authentication.AuthenticationUtil.RunAsWork;
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import org.alfresco.repo.transaction.RetryingTransactionHelper;
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import org.alfresco.repo.transaction.RetryingTransactionHelper.RetryingTransactionCallback;
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import org.alfresco.service.cmr.email.EmailMessage;
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import org.alfresco.service.cmr.email.EmailMessageException;
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import org.alfresco.service.cmr.email.EmailService;
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import org.alfresco.service.cmr.repository.NodeRef;
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import org.alfresco.service.cmr.repository.NodeService;
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import org.alfresco.service.cmr.repository.StoreRef;
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import org.alfresco.service.cmr.repository.datatype.DefaultTypeConverter;
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import org.alfresco.service.cmr.search.ResultSet;
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import org.alfresco.service.cmr.search.SearchService;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* Concrete email service implementation. This is responsible for routing the
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* emails into the server.
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* @since 2.2
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*/
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public class EmailServiceImpl implements EmailService
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{
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private static final Log log = LogFactory.getLog(EmailServiceImpl.class);
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private NodeService nodeService;
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private SearchService searchService;
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private RetryingTransactionHelper retryingTransactionHelper;
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private boolean mailInboundEnabled;
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/** Login of user that is set as unknown. */
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private String unknownUser;
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/** List of message handlers */
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private Map<String, EmailMessageHandler> emailMessageHandlerMap;
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/**
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* @param nodeService Alfresco Node Service
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*/
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public void setNodeService(NodeService nodeService)
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{
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this.nodeService = nodeService;
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}
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/**
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* @param searchService Alfresco Search Service
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*/
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public void setSearchService(SearchService searchService)
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{
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this.searchService = searchService;
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}
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/**
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* @param retryingTransactionHelper Alfresco RetryingTransactionHelper
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*/
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public void setRetryingTransactionHelper(RetryingTransactionHelper retryingTransactionHelper)
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{
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this.retryingTransactionHelper = retryingTransactionHelper;
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}
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/**
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* @return Map of message handlers
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*/
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public Map<String, EmailMessageHandler> getEmailMessageHandlerMap()
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{
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return emailMessageHandlerMap;
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}
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/**
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* @param emailMessageHandlerMap Map of message handlers
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*/
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public void setEmailMessageHandlerMap(Map<String, EmailMessageHandler> emailMessageHandlerMap)
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{
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this.emailMessageHandlerMap = emailMessageHandlerMap;
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}
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/**
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* @param unknownUser Login of user that should be set as unknown.
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*/
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public void setUnknownUser(String unknownUser)
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{
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this.unknownUser = unknownUser;
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}
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public void setMailInboundEnabled(boolean mailInboundEnabled)
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{
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this.mailInboundEnabled = mailInboundEnabled;
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}
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/**
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* {@inheritDoc}
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*/
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public void importMessage(EmailMessage message)
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{
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processMessage(null, message);
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}
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/**
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* {@inheritDoc}
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*/
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public void importMessage(NodeRef nodeRef, EmailMessage message)
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{
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processMessage(nodeRef, message);
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}
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/**
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* Process the message. Method is called after filtering by sender's address.
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*
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* @param nodeRef Addressed node (target node).
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* @param message Email message
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* @throws EmailMessageException Any exception occured inside the method will be converted and thrown as <code>EmailMessageException</code>
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*/
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private void processMessage(final NodeRef nodeRef, final EmailMessage message)
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{
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if (!mailInboundEnabled)
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{
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throw new EmailMessageException(I18NUtil.getMessage("email.server.mail-inbound-disabled"));
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}
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try
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{
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RetryingTransactionCallback<Object> callback = new RetryingTransactionCallback<Object>()
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{
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public Object execute()
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{
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final String userName = authenticate(message.getFrom());
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AuthenticationUtil.runAs(new RunAsWork<Object>()
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{
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public Object doWork() throws Exception
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{
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String recepient = message.getTo();
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NodeRef targetNodeRef = null;
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if (nodeRef == null)
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{
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targetNodeRef = getTargetNode(recepient);
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}
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else
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{
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targetNodeRef = nodeRef;
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}
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EmailMessageHandler messageHandler = getMessageHandler(targetNodeRef);
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messageHandler.processMessage(targetNodeRef, message);
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return null;
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}
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}, userName);
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return null;
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}
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};
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retryingTransactionHelper.doInTransaction(callback, false);
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}
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catch (Throwable e)
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{
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log.error("Error process email message", e);
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throw new EmailMessageException(e.getMessage());
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}
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}
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/**
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* @param nodeRef Target node
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* @return Handler that can process message addressed to specific node (target node).
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* @throws EmailMessageException Exception is thrown if <code>nodeRef</code> is <code>null</code> or suitable message handler isn't found.
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*/
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private EmailMessageHandler getMessageHandler(NodeRef nodeRef)
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{
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if (nodeRef == null)
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{
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throw new EmailMessageException(I18NUtil.getMessage("email.server.incorrect-node-ref"));
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}
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String nodeTypeLocalName = nodeService.getType(nodeRef).getLocalName();
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EmailMessageHandler handler = emailMessageHandlerMap.get(nodeTypeLocalName);
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if (handler == null)
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{
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throw new EmailMessageException(I18NUtil.getMessage("email.server.handler-not-found"));
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}
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return handler;
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}
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/**
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* Method determines target node by recepient e-mail address.
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*
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* @param recepient An e-mail address of a receipient
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* @return Referance to the target node.
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* @exception EmailMessageException Exception is thrown if the target node couldn't be determined by some reasons.
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*/
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private NodeRef getTargetNode(String recepient)
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{
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if (recepient == null || recepient.length() == 0)
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{
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throw new EmailMessageException(I18NUtil.getMessage("email.server.incorrect-node-address"));
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}
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String[] parts = recepient.split("@");
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if (parts.length != 2)
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{
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throw new EmailMessageException(I18NUtil.getMessage("email.server.incorrect-node-address"));
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}
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// Ok, address looks well, let's try to find related alias
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StoreRef storeRef = new StoreRef(StoreRef.PROTOCOL_WORKSPACE, "SpacesStore");
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String query = String.format(AliasableAspect.SEARCH_TEMPLATE, parts[0]);
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ResultSet resultSet = searchService.query(storeRef, SearchService.LANGUAGE_LUCENE, query);
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// Sometimes result contains trash. For example if we look for node with alias='target' after searching,
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// we will get all nodes wich contain word 'target' in them alias property.
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for (int i = 0; i < resultSet.length(); i++)
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{
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NodeRef resRef = resultSet.getNodeRef(i);
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Object alias = nodeService.getProperty(resRef, EmailServerModel.PROP_ALIAS);
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if (parts[0].equals(alias))
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{
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return resRef;
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}
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}
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// Ok, alias wasn't found, let's try to interpret recepient address as 'node-bdid' value
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query = "@sys\\:node-dbid:" + parts[0];
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resultSet = searchService.query(storeRef, SearchService.LANGUAGE_LUCENE, query);
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if (resultSet.length() > 0)
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{
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return resultSet.getNodeRef(0);
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}
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throw new EmailMessageException(I18NUtil.getMessage("email.server.incorrect-node-address"));
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}
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/**
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* Authenticate in Alfresco repository by sender's e-mail address.
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*
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* @param from Sender's email address
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* @return User name
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* @throws EmailMessageException Exception will be thrown if authentication is failed.
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*/
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private String authenticate(String from)
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{
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String userName = null;
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StoreRef storeRef = new StoreRef(StoreRef.PROTOCOL_WORKSPACE, "SpacesStore");
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String query = "TYPE:cm\\:person +@cm\\:email:\"" + from + "\"";
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ResultSet resultSet = searchService.query(storeRef, SearchService.LANGUAGE_LUCENE, query);
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if (resultSet.length() == 0)
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{
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userName = unknownUser;
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if (userName == null || !isEmailContributeUser(userName))
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{
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throw new EmailMessageException(I18NUtil.getMessage("email.server.unknown-user"));
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}
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}
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else
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{
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NodeRef userNode = resultSet.getNodeRef(0);
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if (nodeService.exists(userNode))
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{
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userName = DefaultTypeConverter.INSTANCE.convert(String.class, nodeService.getProperty(userNode, ContentModel.PROP_USERNAME));
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if (!isEmailContributeUser(userName))
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{
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throw new EmailMessageException(I18NUtil.getMessage("email.server.not-contribute-user", userName));
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}
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}
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else
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{
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throw new EmailMessageException(I18NUtil.getMessage("email.server.contribute-group-not-exist"));
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}
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}
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return userName;
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}
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/**
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* Check that the user is the member in <b>EMAIL_CONTRIBUTORS</b> group
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*
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* @param userName User name
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* @return True if the user is member of the group
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* @exception EmailMessageException Exception will be thrown if the <b>EMAIL_CONTRIBUTORS</b> group isn't found
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*/
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private boolean isEmailContributeUser(String userName)
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{
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String searchQuery = "TYPE:\"{http://www.alfresco.org/model/user/1.0}authorityContainer\" +@usr\\:authorityName:\"GROUP_EMAIL_CONTRIBUTORS\"";
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StoreRef storeRef = new StoreRef("user", "alfrescoUserStore");
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ResultSet resultSet = searchService.query(storeRef, SearchService.LANGUAGE_LUCENE, searchQuery);
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if (resultSet.length() == 0)
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{
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throw new EmailMessageException(I18NUtil.getMessage("email.server.contribute-group-not-exist"));
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}
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NodeRef groupNode = resultSet.getNodeRef(0);
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Collection<String> memberCollection = DefaultTypeConverter.INSTANCE.getCollection(String.class, nodeService.getProperty(groupNode, ContentModel.PROP_MEMBERS));
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if (memberCollection.contains(userName))
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return true;
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return false;
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}
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}
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