1 /************************************************************************
2 * Copyright (c) 2000-2006 The Apache Software Foundation. *
3 * All rights reserved. *
4 * ------------------------------------------------------------------- *
5 * Licensed under the Apache License, Version 2.0 (the "License"); you *
6 * may not use this file except in compliance with the License. You *
7 * may obtain a copy of the License at: *
8 * *
9 * http://www.apache.org/licenses/LICENSE-2.0 *
10 * *
11 * Unless required by applicable law or agreed to in writing, software *
12 * distributed under the License is distributed on an "AS IS" BASIS, *
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or *
14 * implied. See the License for the specific language governing *
15 * permissions and limitations under the License. *
16 ***********************************************************************/
17 package org.apache.james.transport.matchers.smime;
18
19 import java.util.Collection;
20
21 import javax.mail.MessagingException;
22 import javax.mail.internet.MimeMessage;
23
24 import org.apache.mailet.GenericMatcher;
25 import org.apache.mailet.Mail;
26
27 /***
28 * Checks if a mail is smime encrypted.
29 *
30 */
31 public class IsSMIMEEncrypted extends GenericMatcher {
32
33 /***
34 * @see org.apache.mailet.Matcher#match(org.apache.mailet.Mail)
35 */
36 public Collection match(Mail mail) throws MessagingException {
37 if (mail == null) return null;
38
39 MimeMessage message = mail.getMessage();
40 if (message == null) return null;
41
42 if ((message.isMimeType("application/x-pkcs7-mime")
43 || message.isMimeType("application/pkcs7-mime")) && (message.getContentType().indexOf("smime-type=enveloped-data") != -1)) {
44 return mail.getRecipients();
45 } else return null;
46 }
47
48 }