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1   /*
2    * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
3    * The software in this package is published under the terms of the CPAL v1.0
4    * license, a copy of which has been included with this distribution in the
5    * LICENSE.txt file.
6    */
7   package org.mule.api.security.provider;
8   
9   import org.mule.api.MuleRuntimeException;
10  import org.mule.config.i18n.CoreMessages;
11  import org.mule.util.ClassUtils;
12  import org.mule.util.SystemUtils;
13  
14  import java.security.Provider;
15  
16  import org.apache.commons.logging.Log;
17  import org.apache.commons.logging.LogFactory;
18  
19  /**
20   * Automatically discovers the JDK we are running on and returns a corresponding
21   * {@link SecurityProviderInfo}. <p/> Implementations of this class are thread-safe.
22   */
23  public class AutoDiscoverySecurityProviderFactory implements SecurityProviderFactory
24  {
25  
26      /**
27       * Default is Sun's JSSE.
28       */
29      public static final SecurityProviderInfo DEFAULT_SECURITY_PROVIDER = new SunSecurityProviderInfo();
30  
31      /**
32       * Logger used by this class.
33       */
34      protected transient Log logger = LogFactory.getLog(getClass());
35  
36      /**
37       * Security provider properties for IBM JDK.
38       */
39      private static final SecurityProviderInfo IBM_SECURITY_PROVIDER = new IBMSecurityProviderInfo();
40  
41      /**
42       * Security provider properties for IBM JDK 1.4.2 and higher.
43       */
44      // private static final SecurityProviderInfo IBM_SECURITY_PROVIDER_2 = new
45      // IBMSecurityProvider2Info();
46  
47      public SecurityProviderInfo getSecurityProviderInfo()
48      {
49          SecurityProviderInfo info;
50  
51          if (SystemUtils.isIbmJDK())
52          {
53              // TODO test IBM JDK 1.4.2 more thoroughly and decide if
54              // it's worth including this newer provider support.
55              // switch to IBM's security provider
56              // if (SystemUtils.isJavaVersionAtLeast(142)) {
57              // IBM JSSE2
58              // info = IBM_SECURITY_PROVIDER_2;
59              // } else {
60              // older IBM JSSE
61              info = IBM_SECURITY_PROVIDER;
62              // }
63          }
64          else
65          {
66              info = DEFAULT_SECURITY_PROVIDER;
67  
68          }
69  
70          // BEA's JRockit uses Sun's JSSE, so defaults are fine
71  
72          return info;
73      }
74  
75      public Provider getProvider()
76      {
77          SecurityProviderInfo info = getSecurityProviderInfo();
78  
79          if (logger.isInfoEnabled())
80          {
81              logger.info("Using " + info.getClass().getName());
82          }
83  
84          try
85          {
86              return (Provider) ClassUtils.instanciateClass(info.getProviderClass());
87          }
88          catch (Exception ex)
89          {
90              throw new MuleRuntimeException(
91                  CoreMessages.failedToInitSecurityProvider(info.getProviderClass()), ex);
92          }
93      }
94  }