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19
20 package org.apache.james.security;
21
22 import java.security.Provider;
23 import java.security.Security;
24
25 import javax.activation.CommandMap;
26 import javax.activation.MailcapCommandMap;
27
28 /***
29 * Security Providers initialization class. The first call of the init method
30 * will have the class loader do the job. This technique ensures proper
31 * initialization without the need of maintaining the
32 * <i>${java_home}/lib/security/java.security</i> file, that would otherwise
33 * need the addition of the following line:
34 * <code>security.provider.<i>n</i>=org.bouncycastle.jce.provider.BouncyCastleProvider</code>.
35 *
36 * The call also registers to the javamail's MailcapCommandMap the content
37 * handlers that are needed to work with s/mime mails.
38 *
39 */
40 public class InitJCE {
41 private static String bouncyCastleProviderClassName = "org.bouncycastle.jce.provider.BouncyCastleProvider";
42 private static boolean initialized = false;
43
44 /***
45 * Method that registers the security provider BouncyCastle as a system
46 * security provider. The provider class is dinamically loaded on runtime so
47 * there is no need to include the bouncycastle jar in the James
48 * distribution. It can be downloaded and installed by the user if she needs
49 * it.
50 */
51 public static void init() throws InstantiationException, IllegalAccessException, ClassNotFoundException {
52 if (!initialized) {
53 Security.addProvider((Provider)Class.forName(bouncyCastleProviderClassName).newInstance());
54
55 MailcapCommandMap mailcap = (MailcapCommandMap) CommandMap.getDefaultCommandMap();
56
57 mailcap.addMailcap("application/pkcs7-signature;; x-java-content-handler=org.bouncycastle.mail.smime.handlers.pkcs7_signature");
58 mailcap.addMailcap("application/pkcs7-mime;; x-java-content-handler=org.bouncycastle.mail.smime.handlers.pkcs7_mime");
59 mailcap.addMailcap("application/x-pkcs7-signature;; x-java-content-handler=org.bouncycastle.mail.smime.handlers.x_pkcs7_signature");
60 mailcap.addMailcap("application/x-pkcs7-mime;; x-java-content-handler=org.bouncycastle.mail.smime.handlers.x_pkcs7_mime");
61 mailcap.addMailcap("multipart/signed;; x-java-content-handler=org.bouncycastle.mail.smime.handlers.multipart_signed");
62
63 CommandMap.setDefaultCommandMap(mailcap);
64
65 initialized = true;
66 } else return;
67 }
68 }