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REPO-5195 Handle AGS usage of RFC822MetadataExtracter

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Put class back for now
This commit is contained in:
Alan Davis
2020-11-16 08:29:29 +00:00
parent 54922aefbd
commit 032d23c76d
1 changed files with 215 additions and 0 deletions
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repository/src/main/java/org/alfresco/repo/content/metadata/RFC822MetadataExtracter.java Normal file
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/*
* #%L
* Alfresco Repository
* %%
* Copyright (C) 2005 - 2020 Alfresco Software Limited
* %%
* This file is part of the Alfresco software.
* If the software was purchased under a paid Alfresco license, the terms of
* the paid license agreement will prevail. Otherwise, the software is
* provided under the following open source license terms:
*
* Alfresco 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 3 of the License, or
* (at your option) any later version.
*
* Alfresco 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 Alfresco. If not, see <http://www.gnu.org/licenses/>.
* #L%
*/
package org.alfresco.repo.content.metadata;
import java.io.IOException;
import java.io.InputStream;
import java.io.Serializable;
import java.io.UnsupportedEncodingException;
import java.util.Arrays;
import java.util.Date;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import javax.mail.Header;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeUtility;
import javax.mail.internet.MimeMessage.RecipientType;
import org.alfresco.repo.content.MimetypeMap;
import org.alfresco.service.cmr.repository.ContentReader;
import org.alfresco.service.namespace.QName;
/**
* @deprecated OOTB extractors are being moved to T-Engines.
*
* Metadata extractor for RFC822 mime emails.
*
* Default configuration: (see RFC822MetadataExtractor.properties)
*
* <pre>
* <b>messageFrom:</b> -- imap:messageFrom, cm:originator
* <b>messageTo:</b> -- imap:messageTo
* <b>messageCc:</b> -- imap:messageCc
* <b>messageSubject:</b> -- imap:messageSubject, cm:title, cm:description, cm:subjectline
* <b>messageSent:</b> -- imap:dateSent, cm:sentdate
* <b>messageReceived:</b> -- imap:dateReceived
* <b>All {@link Header#getName() header names}:</b>
* <b>Thread-Index:</b> -- imap:threadIndex
* <b>Message-ID:</b> -- imap:messageId
* </pre>
*
* @author Derek Hulley
* @since 3.2
*/
@Deprecated
public class RFC822MetadataExtracter extends AbstractMappingMetadataExtracter
{
protected static final String KEY_MESSAGE_FROM = "messageFrom";
protected static final String KEY_MESSAGE_TO = "messageTo";
protected static final String KEY_MESSAGE_CC = "messageCc";
protected static final String KEY_MESSAGE_SUBJECT = "messageSubject";
protected static final String KEY_MESSAGE_SENT = "messageSent";
protected static final String KEY_MESSAGE_RECEIVED = "messageReceived";
public static String[] SUPPORTED_MIMETYPES = new String[] { MimetypeMap.MIMETYPE_RFC822 };
public RFC822MetadataExtracter()
{
super(new HashSet<String>(Arrays.asList(SUPPORTED_MIMETYPES)));
}
@Override
protected Map<String, Serializable> extractRaw(ContentReader reader) throws Throwable
{
Map<String, Serializable> rawProperties = newRawMap();
InputStream is = null;
try
{
is = reader.getContentInputStream();
MimeMessage mimeMessage = new MimeMessage(null, is);
if (mimeMessage != null)
{
/**
* Extract RFC822 values that doesn't match to headers and need to be encoded.
* Or those special fields that require some code to extract data
*/
String tmp = InternetAddress.toString(mimeMessage.getFrom());
tmp = tmp != null ? MimeUtility.decodeText(tmp) : null;
putRawValue(KEY_MESSAGE_FROM, tmp, rawProperties);
tmp = InternetAddress.toString(mimeMessage.getRecipients(RecipientType.TO));
tmp = tmp != null ? MimeUtility.decodeText(tmp) : null;
putRawValue(KEY_MESSAGE_TO, tmp, rawProperties);
tmp = InternetAddress.toString(mimeMessage.getRecipients(RecipientType.CC));
tmp = tmp != null ? MimeUtility.decodeText(tmp) : null;
putRawValue(KEY_MESSAGE_CC, tmp, rawProperties);
putRawValue(KEY_MESSAGE_SENT, mimeMessage.getSentDate(), rawProperties);
/**
* Received field from RFC 822
*
* "Received" ":" ; one per relay
* ["from" domain] ; sending host
* ["by" domain] ; receiving host
* ["via" atom] ; physical path
* ("with" atom) ; link/mail protocol
* ["id" msg-id] ; receiver msg id
* ["for" addr-spec] ; initial form
* ";" date-time ; time received
*/
Date rxDate = mimeMessage.getReceivedDate();
if(rxDate != null)
{
// The email implementation extracted the received date for us.
putRawValue(KEY_MESSAGE_RECEIVED, rxDate, rawProperties);
}
else
{
// the email implementation did not parse the received date for us.
String[] rx = mimeMessage.getHeader("received");
if(rx != null && rx.length > 0)
{
String lastReceived = rx[0];
lastReceived = MimeUtility.unfold(lastReceived);
int x = lastReceived.lastIndexOf(';');
if(x > 0)
{
String dateStr = lastReceived.substring(x + 1).trim();
putRawValue(KEY_MESSAGE_RECEIVED, dateStr, rawProperties);
}
}
}
String[] subj = mimeMessage.getHeader("Subject");
if (subj != null && subj.length > 0)
{
String decodedSubject = subj[0];
try
{
decodedSubject = MimeUtility.decodeText(decodedSubject);
}
catch (UnsupportedEncodingException e)
{
logger.warn(e.toString());
}
putRawValue(KEY_MESSAGE_SUBJECT, decodedSubject, rawProperties);
}
/*
* Extract values from all header fields, including extension fields "X-"
*/
Set<String> keys = getMapping().keySet();
@SuppressWarnings("unchecked")
Enumeration<Header> headers = mimeMessage.getAllHeaders();
while (headers.hasMoreElements())
{
Header header = (Header) headers.nextElement();
if (keys.contains(header.getName()))
{
tmp = header.getValue();
tmp = tmp != null ? MimeUtility.decodeText(tmp) : null;
putRawValue(header.getName(), tmp, rawProperties);
}
}
}
}
finally
{
if (is != null)
{
try
{
is.close();
}
catch (IOException e)
{
}
}
}
// Done
return rawProperties;
}
/**
* Back door for RM
* @return Map
*/
public final Map<String, Set<QName>> getCurrentMapping()
{
return super.getMapping();
}
}