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 22 package org.apache.james.mailet.crypto; 23 24 import java.security.Provider; 25 import java.security.Security; 26 27 import javax.activation.CommandMap; 28 import javax.activation.MailcapCommandMap; 29 30 /** 31 * Security Providers initialization class. The first call of the init method 32 * will have the class loader do the job. This technique ensures proper 33 * initialization without the need of maintaining the 34 * <i>${java_home}/lib/security/java.security</i> file, that would otherwise 35 * need the addition of the following line: 36 * <code>security.provider.<i>n</i>=org.bouncycastle.jce.provider.BouncyCastleProvider</code>. 37 * 38 * The call also registers to the javamail's MailcapCommandMap the content 39 * handlers that are needed to work with s/mime mails. 40 * 41 */ 42 public class InitJCE { 43 private static String bouncyCastleProviderClassName = "org.bouncycastle.jce.provider.BouncyCastleProvider"; 44 private static boolean initialized = false; 45 46 /** 47 * Method that registers the security provider BouncyCastle as a system 48 * security provider. The provider class is dinamically loaded on runtime so 49 * there is no need to include the bouncycastle jar in the James 50 * distribution. It can be downloaded and installed by the user if she needs 51 * it. 52 */ 53 public static void init() throws InstantiationException, IllegalAccessException, ClassNotFoundException { 54 if (!initialized) { 55 Security.addProvider((Provider)Class.forName(bouncyCastleProviderClassName).newInstance()); 56 57 MailcapCommandMap mailcap = (MailcapCommandMap) CommandMap.getDefaultCommandMap(); 58 59 mailcap.addMailcap("application/pkcs7-signature;; x-java-content-handler=org.bouncycastle.mail.smime.handlers.pkcs7_signature"); 60 mailcap.addMailcap("application/pkcs7-mime;; x-java-content-handler=org.bouncycastle.mail.smime.handlers.pkcs7_mime"); 61 mailcap.addMailcap("application/x-pkcs7-signature;; x-java-content-handler=org.bouncycastle.mail.smime.handlers.x_pkcs7_signature"); 62 mailcap.addMailcap("application/x-pkcs7-mime;; x-java-content-handler=org.bouncycastle.mail.smime.handlers.x_pkcs7_mime"); 63 mailcap.addMailcap("multipart/signed;; x-java-content-handler=org.bouncycastle.mail.smime.handlers.multipart_signed"); 64 65 CommandMap.setDefaultCommandMap(mailcap); 66 67 initialized = true; 68 } else return; 69 } 70 }