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1   /**
2    *
3    * Copyright 2003-2004 The Apache Software Foundation
4    *
5    *  Licensed under the Apache License, Version 2.0 (the "License");
6    *  you may not use this file except in compliance with the License.
7    *  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   *  Unless required by applicable law or agreed to in writing, software
12   *  distributed under the License is distributed on an "AS IS" BASIS,
13   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   *  See the License for the specific language governing permissions and
15   *  limitations under the License.
16   */
17  package org.apache.geronimo.converter.bea;
18  
19  import java.util.regex.Pattern;
20  import java.util.regex.Matcher;
21  import java.util.Properties;
22  import java.util.Iterator;
23  import java.lang.reflect.Method;
24  import java.lang.reflect.InvocationTargetException;
25  import java.io.File;
26  import java.io.FileInputStream;
27  import java.io.FileNotFoundException;
28  import java.io.BufferedReader;
29  import java.io.FileReader;
30  import java.io.StringWriter;
31  import java.io.PrintWriter;
32  import java.io.IOException;
33  import java.io.InputStream;
34  import java.net.URLClassLoader;
35  import java.net.URL;
36  
37  /**
38   * Reads information out of the WebLogic domain directory.
39   * Needs access to the WebLogic JARs in the weblogic81/server/lib directory.
40   *
41   * @version $Rev: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
42   */
43  public class Weblogic81Utils {
44      private final static Pattern ENCRYPTED_STRING = Pattern.compile("\\\"\\{\\S+\\}\\S+?\\\"");
45      private Object decoder;
46      private Method decode;
47      private Object decrypter;
48      private Method decrypt;
49      private File domainDir;
50  
51      public Weblogic81Utils(String libDirPath, String domainDirPath) {
52          File libDir = new File(libDirPath);
53          if(!libDir.exists() || !libDir.canRead() || !libDir.isDirectory()) throw new IllegalArgumentException("Bad weblogic lib dir");
54          File weblogicJar = new File(libDir, "weblogic.jar");
55          File securityJar = new File(libDir, "jsafeFIPS.jar");
56          if(!weblogicJar.canRead()) throw new IllegalArgumentException("Cannot find JARs in provided lib dir");
57          domainDir = new File(domainDirPath);
58          if(!domainDir.exists() || !domainDir.canRead() || !domainDir.isDirectory()) throw new IllegalArgumentException("Bad domain directory");
59          File state = new File(domainDir, "SerializedSystemIni.dat");
60          if(!state.canRead()) throw new IllegalArgumentException("Cannot find serialized state in domain directory");
61          try {
62              ClassLoader loader = new URLClassLoader(securityJar.exists() ? new URL[]{weblogicJar.toURL(), securityJar.toURL()} : new URL[]{weblogicJar.toURL()}, Weblogic81Utils.class.getClassLoader());
63              initialize(loader, state);
64          } catch (Exception e) {
65              throw (RuntimeException)new IllegalArgumentException("Unable to initialize encryption routines from provided arguments").initCause(e);
66          }
67      }
68  
69      public Properties getBootProperties() {
70          File boot = new File(domainDir, "boot.properties");
71          FileInputStream bootIn = null;
72          try {
73              bootIn = new FileInputStream(boot);
74          } catch (FileNotFoundException e) {
75              return null;
76          }
77          try {
78              Properties props = new Properties();
79              props.load(bootIn);
80              bootIn.close();
81              for (Iterator it = props.keySet().iterator(); it.hasNext();) {
82                  String key = (String) it.next();
83                  String value = props.getProperty(key);
84                  if(value != null && value.startsWith("{")) props.setProperty(key, decryptString(value));
85              }
86              return props;
87          } catch (Exception e) {
88              return null;
89          }
90      }
91  
92      public String getConfigXML() throws FileNotFoundException {
93          File config = new File(domainDir, "config.xml");
94          BufferedReader in = new BufferedReader(new FileReader(config));
95          StringWriter string = new StringWriter();
96          PrintWriter out = new PrintWriter(string);
97          String line;
98          Matcher m = ENCRYPTED_STRING.matcher("");
99          try {
100             while((line = in.readLine()) != null) {
101                 m.reset(line);
102                 int last = -1;
103                 while(m.find()) {
104                     out.print(line.substring(last+1, m.start()));
105                     String s = line.substring(m.start(), m.end());
106                     out.print("\"");
107                     out.print(decryptString(s.substring(1, s.length()-1)));
108                     out.print("\"");
109                     last = m.end()-1;
110                 }
111                 if(last == -1) {
112                     out.println(line);
113                 } else {
114                     if(line.length() > last+1) {
115                         out.print(line.substring(last+1));
116                     }
117                     out.println();
118                 }
119                 out.flush();
120             }
121             in.close();
122             out.close();
123         } catch (Exception e) {
124             return null;
125         }
126         return string.getBuffer().toString();
127     }
128 
129     private void initialize(ClassLoader loader, File state) throws IOException, IllegalAccessException, NoSuchMethodException, InvocationTargetException, ClassNotFoundException, InstantiationException {
130         byte[] salt = null, key = null;
131         FileInputStream in = new FileInputStream(state);
132         salt = readBytes(in);
133         int i = in.read();
134         if(i != -1) {
135             if(i != 1) throw new IllegalStateException();
136             key = readBytes(in);
137         }
138         in.close();
139         decrypter = getEncryptionService(loader, salt, key);
140         decoder = loader.loadClass("weblogic.utils.encoders.BASE64Decoder").newInstance();
141         decode = decoder.getClass().getMethod("decodeBuffer", new Class[]{String.class});
142         decrypt = decrypter.getClass().getMethod("decryptString", new Class[]{byte[].class});
143     }
144 
145     private static byte[] readBytes(InputStream in) throws IOException {
146         int len = in.read();
147         if(len < 0)
148             throw new IOException("stream is empty");
149         byte result[] = new byte[len];
150         int index = 0;
151         while(true) {
152             if(index >= len) {
153                 break;
154             }
155             int count = in.read(result, index, len - index);
156             if(count == -1)
157                 break;
158             index += count;
159         }
160         return result;
161     }
162 
163     private String decryptString(String string) throws IllegalAccessException, InvocationTargetException {
164         if(string.indexOf('}') > -1) {
165             string = string.substring(string.indexOf("}")+1);
166         }
167         return (String) decrypt.invoke(decrypter, new Object[]{decode.invoke(decoder, new Object[]{string})});
168     }
169 
170     static Object getEncryptionService(ClassLoader loader, byte salt[], byte key[]) throws NoSuchMethodException, ClassNotFoundException, IllegalAccessException, InvocationTargetException {
171         String magic = "0xccb97558940b82637c8bec3c770f86fa3a391a56";
172         Object factory = loader.loadClass("weblogic.security.internal.encryption.JSafeEncryptionServiceImpl").getMethod("getFactory", new Class[0]).invoke(null, null);
173         Method getter = factory.getClass().getMethod("getEncryptionService", new Class[]{byte[].class, String.class, byte[].class});
174         return getter.invoke(factory, new Object[]{salt, magic, key});
175     }
176 }