1 /**************************************************************** 2 * Licensed to the Apache Software Foundation (ASF) under one * 3 * or more contributor license agreements. See the NOTICE file * 4 * distributed with this work for additional information * 5 * regarding copyright ownership. The ASF licenses this file * 6 * to you under the Apache License, Version 2.0 (the * 7 * "License"); you may not use this file except in compliance * 8 * with the License. You may obtain a copy of the License at * 9 * * 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 ****************************************************************/ 19 20 21 package org.apache.james.mailet.crypto.matcher; 22 23 import java.util.Collection; 24 25 import javax.mail.MessagingException; 26 import javax.mail.internet.MimeMessage; 27 28 import org.apache.mailet.base.GenericMatcher; 29 import org.apache.mailet.Mail; 30 31 /** 32 * checks if a mail is smime signed. 33 34 */ 35 public class IsSMIMESigned extends GenericMatcher { 36 37 /** 38 * @see org.apache.mailet.Matcher#match(org.apache.mailet.Mail) 39 */ 40 public Collection match(Mail mail) throws MessagingException { 41 if (mail == null) return null; 42 43 MimeMessage message = mail.getMessage(); 44 if (message == null) return null; 45 46 47 if (message.isMimeType("multipart/signed") 48 || message.isMimeType("application/pkcs7-signature") 49 || message.isMimeType("application/x-pkcs7-signature") 50 || ((message.isMimeType("application/pkcs7-mime") || message.isMimeType("application/x-pkcs7-mime")) 51 && message.getContentType().indexOf("signed-data") != -1)) { 52 return mail.getRecipients(); 53 } else return null; 54 } 55 }