Source Code Cross Referenced for ConfigEncrypter.java in  » Database-JDBC-Connection-Pool » Primrose » uk » org » primrose » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database JDBC Connection Pool » Primrose » uk.org.primrose 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         *	Library name : Primrose - A Java Database Connection Pool.
003:         *	Published by Ben Keeping, http://primrose.org.uk .
004:         *	Copyright (C) 2004 Ben Keeping, primrose.org.uk
005:         *	Email: Use "Contact Us Form" on website
006:         *
007:         *	This library is free software; you can redistribute it and/or
008:         *	modify it under the terms of the GNU Lesser General Public
009:         *	License as published by the Free Software Foundation; either
010:         *	version 2.1 of the License, or (at your option) any later version.
011:         *
012:         *	This library is distributed in the hope that it will be useful,
013:         *	but WITHOUT ANY WARRANTY; without even the implied warranty of
014:         *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
015:         *	Lesser General Public License for more details.
016:         *
017:         *	You should have received a copy of the GNU Lesser General Public
018:         *	License along with this library; if not, write to the Free Software
019:         *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
020:         */package uk.org.primrose;
021:
022:        import java.security.*;
023:        import java.io.*;
024:        import java.util.*;
025:        import javax.crypto.*;
026:        import sun.misc.*;
027:
028:        public class ConfigEncrypter {
029:            static String keyfile = null;
030:
031:            static BufferedReader br = new BufferedReader(
032:                    new InputStreamReader(System.in));
033:
034:            public static void main(String args[]) throws Exception {
035:                start();
036:            }
037:
038:            public static void start() throws Exception {
039:                printMenu();
040:
041:                String line = br.readLine();
042:                if (line.trim().equals("q")) {
043:                    br.close();
044:                    System.exit(0);
045:                }
046:                while (!(line.trim().equals("1") || line.trim().equals("2"))) {
047:                    printMenu();
048:                    line = br.readLine();
049:                    if (line.trim().equals("q")) {
050:                        br.close();
051:                        System.exit(0);
052:                    }
053:
054:                }
055:
056:                if (line.trim().equals("1")) {
057:                    makeKey();
058:                } else if (line.trim().equals("2")) {
059:                    encrpytConfig();
060:                }
061:            }
062:
063:            public static void makeKey() throws Exception {
064:                System.out
065:                        .print("\nEnter the full directory path (eg /usr/local/keys) \nto where you would like the encryption key to be stored :: ");
066:                String line = br.readLine();
067:                while (!(new File(line).exists() && new File(line)
068:                        .isDirectory())) {
069:                    System.out.println("\nFile does not exist ...");
070:                    System.out
071:                            .print("Enter the full directory path (eg /usr/local/keys) \nto where you would like the encryption key to be stored :: ");
072:                    line = br.readLine();
073:                }
074:
075:                String dir = line;
076:
077:                System.out
078:                        .print("\nEnter the filename (eg mykey.key) of the encryption key to be stored :: ");
079:                String filename = dir + File.separator + br.readLine();
080:                keyfile = filename;
081:
082:                //Security.addProvider( new com.sun.crypto.provider.SunJCE() );
083:                KeyGenerator generator = KeyGenerator.getInstance("DES",
084:                        "SunJCE");
085:
086:                //generate a new random key
087:                generator.init(56, new SecureRandom());
088:                Key key = generator.generateKey();
089:
090:                ByteArrayOutputStream keyStore = new ByteArrayOutputStream();
091:                ObjectOutputStream keyObjectStream = new ObjectOutputStream(
092:                        keyStore);
093:                keyObjectStream.writeObject(key);
094:
095:                byte[] keyBytes = keyStore.toByteArray();
096:
097:                FileOutputStream fos = new FileOutputStream(filename);
098:                fos.write(keyBytes);
099:                fos.flush();
100:                fos.close();
101:
102:                System.out.print("\nSuccessfully created encryption key : "
103:                        + filename);
104:
105:                start();
106:
107:            }
108:
109:            public static void encrpytConfig() throws Exception {
110:                String bla = "/usr/local/keys/mykey.key";
111:                if (keyfile != null)
112:                    bla = keyfile;
113:                System.out
114:                        .print("\nEnter the full path and filename (eg "
115:                                + bla
116:                                + ") \nto where the encryption key is stored :: ");
117:                String line = br.readLine();
118:                while (!new File(line).exists()) {
119:                    System.out.println("\nFile does not exist ...");
120:                    System.out.print("\nEnter the full path and filename (eg "
121:                            + bla
122:                            + ") \nto where the encryption key is stored :: ");
123:                    line = br.readLine();
124:                }
125:                keyfile = line;
126:
127:                System.out
128:                        .print("\nEnter the full path and filename (eg /usr/tomcat/conf/primrose.config) \nto where the primrose config is  :: ");
129:                line = br.readLine();
130:                while (!new File(line).exists()) {
131:                    System.out.println("\nFile does not exist ...");
132:                    System.out
133:                            .print("\nEnter the full path and filename (eg /usr/tomcat/conf/primrose.config) \nto where the primrose config is :: ");
134:                    line = br.readLine();
135:                }
136:
137:                encryptFile(line, keyfile);
138:
139:            }
140:
141:            public static void encryptFile(String file, String keyFile)
142:                    throws Exception {
143:                System.out.println("Encrypting passwords in file : '" + file
144:                        + "'");
145:                BufferedReader br = new BufferedReader(new FileReader(file));
146:                PrintWriter pw = new PrintWriter(new FileOutputStream(file
147:                        + ".tmp"));
148:                String line = "";
149:                String poolName = "admin tool";
150:                while ((line = br.readLine()) != null) {
151:                    if (!line.trim().startsWith("#") && !line.trim().equals("")) {
152:                        StringTokenizer st = new StringTokenizer(line, "=");
153:                        int cnt = st.countTokens();
154:                        String key = st.nextToken();
155:                        String value = "";
156:                        while (st.hasMoreTokens()) {
157:                            value += (st.nextToken() + "=");
158:                        }
159:
160:                        if (value.length() != 0) {
161:                            value = value.substring(0, value.length() - 1);
162:                        }
163:
164:                        if (key.equals("poolName")) {
165:                            poolName = value;
166:                        }
167:
168:                        if (key.equals("password")) {
169:                            if (value == null || value.equals("")) {
170:                                pw.println(line);
171:                            } else {
172:                                System.out.println("\n---- " + poolName
173:                                        + " ----");
174:                                pw.println(key + "="
175:                                        + getEncryptedString(value, keyFile));
176:                                System.out.println("Encrypting from '" + value
177:                                        + "' to '"
178:                                        + getEncryptedString(value, keyFile)
179:                                        + "'");
180:                            }
181:                        } else {
182:                            pw.println(line);
183:                        }
184:                    } else {
185:                        pw.println(line);
186:                    }
187:                }
188:
189:                br.close();
190:                pw.flush();
191:                pw.close();
192:
193:                File f = new File(file);
194:                f.delete();
195:                f = new File(file + ".tmp");
196:                f.renameTo(new File(file));
197:                new File(file + ".tmp").delete();
198:
199:                System.out.println("\nDone !");
200:
201:            }
202:
203:            public static String getEncryptedString(String input, String keyFile)
204:                    throws Exception {
205:
206:                //Security.addProvider( new com.sun.crypto.provider.SunJCE() );
207:                Key key = null;
208:
209:                File f = new File(keyFile);
210:                FileInputStream fis = new FileInputStream(f);
211:                byte[] keyBytes = new byte[(int) f.length()];
212:                fis.read(keyBytes);
213:                fis.close();
214:
215:                ByteArrayInputStream keyArrayStream = new ByteArrayInputStream(
216:                        keyBytes);
217:                ObjectInputStream keyObjectStream = new ObjectInputStream(
218:                        keyArrayStream);
219:                key = (Key) keyObjectStream.readObject();
220:
221:                Cipher cipher = Cipher.getInstance("DES/ECB/PKCS5Padding");
222:                cipher.init(Cipher.ENCRYPT_MODE, key);
223:
224:                byte[] inputBytes = input.getBytes();
225:
226:                byte[] outputBytes = cipher.doFinal(inputBytes);
227:
228:                BASE64Encoder encoder = new BASE64Encoder();
229:                String base64 = encoder.encode(outputBytes);
230:                return base64;
231:            }
232:
233:            public static String getDecryptedString(String base64Input,
234:                    String keyFile) throws Exception {
235:                BASE64Decoder encoder = new BASE64Decoder();
236:                byte[] inputBytes = encoder.decodeBuffer(base64Input);
237:
238:                //Security.addProvider( new com.sun.crypto.provider.SunJCE() );
239:                Key key = null;
240:
241:                File f = new File(keyFile);
242:                FileInputStream fis = new FileInputStream(f);
243:                byte[] keyBytes = new byte[(int) f.length()];
244:                fis.read(keyBytes);
245:                fis.close();
246:
247:                ByteArrayInputStream keyArrayStream = new ByteArrayInputStream(
248:                        keyBytes);
249:                ObjectInputStream keyObjectStream = new ObjectInputStream(
250:                        keyArrayStream);
251:                key = (Key) keyObjectStream.readObject();
252:
253:                Cipher cipher = Cipher.getInstance("DES/ECB/PKCS5Padding");
254:                cipher.init(Cipher.DECRYPT_MODE, key);
255:
256:                byte[] outputBytes = cipher.doFinal(inputBytes);
257:
258:                return new String(outputBytes);
259:            }
260:
261:            public static void printMenu() {
262:                System.out.println("\n\n\n\n\n------- MENU -------");
263:                System.out
264:                        .println("1) Create an encryption key for your pools.");
265:                System.out.println("2) Encrypt your primrose config files.");
266:                System.out
267:                        .print("\nChoose an option (enter '1' or '2' or 'q' to quit) :: ");
268:            }
269:        }
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