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19 package org.apache.james.transport.matchers.smime;
20
21 import java.util.Collection;
22
23 import javax.mail.MessagingException;
24 import javax.mail.internet.MimeMessage;
25
26 import org.apache.mailet.GenericMatcher;
27 import org.apache.mailet.Mail;
28
29 /***
30 * checks if a mail is smime signed.
31
32 */
33 public class IsSMIMESigned extends GenericMatcher {
34
35 /***
36 * @see org.apache.mailet.Matcher#match(org.apache.mailet.Mail)
37 */
38 public Collection match(Mail mail) throws MessagingException {
39 if (mail == null) return null;
40
41 MimeMessage message = mail.getMessage();
42 if (message == null) return null;
43
44
45 if (message.isMimeType("multipart/signed")
46 || message.isMimeType("application/pkcs7-signature")
47 || message.isMimeType("application/x-pkcs7-signature")
48 || ((message.isMimeType("application/pkcs7-mime") || message.isMimeType("application/x-pkcs7-mime"))
49 && message.getContentType().indexOf("signed-data") != -1)) {
50 return mail.getRecipients();
51 } else return null;
52 }
53 }