01: /****************************************************************
02: * Licensed to the Apache Software Foundation (ASF) under one *
03: * or more contributor license agreements. See the NOTICE file *
04: * distributed with this work for additional information *
05: * regarding copyright ownership. The ASF licenses this file *
06: * to you under the Apache License, Version 2.0 (the *
07: * "License"); you may not use this file except in compliance *
08: * with the License. You may obtain a copy of the License at *
09: * *
10: * http://www.apache.org/licenses/LICENSE-2.0 *
11: * *
12: * Unless required by applicable law or agreed to in writing, *
13: * software distributed under the License is distributed on an *
14: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY *
15: * KIND, either express or implied. See the License for the *
16: * specific language governing permissions and limitations *
17: * under the License. *
18: ****************************************************************/package org.apache.james.transport.matchers.smime;
19:
20: import java.util.Collection;
21:
22: import javax.mail.MessagingException;
23: import javax.mail.internet.MimeMessage;
24:
25: import org.apache.mailet.GenericMatcher;
26: import org.apache.mailet.Mail;
27:
28: /**
29: * Checks if a mail is smime encrypted.
30: *
31: */
32: public class IsSMIMEEncrypted extends GenericMatcher {
33:
34: /**
35: * @see org.apache.mailet.Matcher#match(org.apache.mailet.Mail)
36: */
37: public Collection match(Mail mail) throws MessagingException {
38: if (mail == null)
39: return null;
40:
41: MimeMessage message = mail.getMessage();
42: if (message == null)
43: return null;
44:
45: if ((message.isMimeType("application/x-pkcs7-mime") || message
46: .isMimeType("application/pkcs7-mime"))
47: && (message.getContentType().indexOf(
48: "smime-type=enveloped-data") != -1)) {
49: return mail.getRecipients();
50: } else
51: return null;
52: }
53:
54: }
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