Tomcat数据库连接池数据库密码加密
- - Java - 编程语言 - ITeye博客2、Factory中实现数据库密码解密. 3、将以上两个类打包(vajra-dbsecure.jar),并指定Main入口类. 4、tomcat全局数据源中使用加密后的数据库密码. 已有 0 人发表留言,猛击->> 这里<<-参与讨论. —软件人才免语言低担保 赴美带薪读研.
package com.vajra.security.encrypt; import java.io.IOException; import java.io.UnsupportedEncodingException; import java.security.InvalidAlgorithmParameterException; import java.security.InvalidKeyException; import java.security.NoSuchAlgorithmException; import java.security.spec.AlgorithmParameterSpec; import java.security.spec.InvalidKeySpecException; import javax.crypto.BadPaddingException; import javax.crypto.Cipher; import javax.crypto.IllegalBlockSizeException; import javax.crypto.NoSuchPaddingException; import javax.crypto.SecretKey; import javax.crypto.SecretKeyFactory; import javax.crypto.spec.PBEKeySpec; import javax.crypto.spec.PBEParameterSpec; import sun.misc.BASE64Decoder; import sun.misc.BASE64Encoder; public class CipherEncrypter { Cipher ecipher; Cipher dcipher; byte[] salt = { -87, -101, -56, 50, 86, 53, -29, 3 }; int iterationCount = 19; private static CipherEncrypter cipherEncrypter; private CipherEncrypter(String passPhrase) { try { PBEKeySpec keySpec = new PBEKeySpec(passPhrase.toCharArray()); SecretKey key = SecretKeyFactory.getInstance("PBEWithMD5AndDES") .generateSecret(keySpec); this.ecipher = Cipher.getInstance(key.getAlgorithm()); this.dcipher = Cipher.getInstance(key.getAlgorithm()); AlgorithmParameterSpec paramSpec = new PBEParameterSpec(this.salt, this.iterationCount); this.ecipher.init(1, key, paramSpec); this.dcipher.init(2, key, paramSpec); } catch (InvalidAlgorithmParameterException localInvalidAlgorithmParameterException) { } catch (InvalidKeySpecException localInvalidKeySpecException) { } catch (NoSuchPaddingException localNoSuchPaddingException) { } catch (NoSuchAlgorithmException localNoSuchAlgorithmException) { } catch (InvalidKeyException localInvalidKeyException) { } } private CipherEncrypter() { this("sfpay"); } public static CipherEncrypter getInstance() { if (cipherEncrypter == null) { cipherEncrypter = new CipherEncrypter(); } return cipherEncrypter; } public static String encrypt(String str) { try { byte[] utf8 = str.getBytes("UTF8"); byte[] enc = getInstance().ecipher.doFinal(utf8); return new BASE64Encoder().encode(enc); } catch (BadPaddingException localBadPaddingException) { } catch (IllegalBlockSizeException localIllegalBlockSizeException) { } catch (UnsupportedEncodingException localUnsupportedEncodingException) { } catch (Exception localException) { } return null; } public static String decrypt(String str) { try { byte[] dec = new BASE64Decoder().decodeBuffer(str); byte[] utf8 = getInstance().dcipher.doFinal(dec); return new String(utf8, "UTF8"); } catch (BadPaddingException localBadPaddingException) { } catch (IllegalBlockSizeException localIllegalBlockSizeException) { } catch (UnsupportedEncodingException localUnsupportedEncodingException) { } catch (IOException localIOException) { } return null; } public static void main(String[] args) { if (args.length != 1) return; System.out.println("encrypted string:" + encrypt(args[0])); } }
package com.vajra.security.datasource; import java.io.ByteArrayInputStream; import java.sql.SQLException; import java.util.Collections; import java.util.Enumeration; import java.util.Hashtable; import java.util.Properties; import java.util.StringTokenizer; import javax.naming.Context; import javax.naming.Name; import javax.naming.RefAddr; import javax.naming.Reference; import javax.sql.DataSource; import org.apache.tomcat.dbcp.dbcp.BasicDataSource; import org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory; import com.vajra.security.encrypt.CipherEncrypter; @SuppressWarnings("rawtypes") public class VajraBasicDataSourceFactory extends BasicDataSourceFactory { protected static final String PROP_DEFAULTAUTOCOMMIT = "defaultAutoCommit"; protected static final String PROP_DEFAULTREADONLY = "defaultReadOnly"; protected static final String PROP_DEFAULTTRANSACTIONISOLATION = "defaultTransactionIsolation"; protected static final String PROP_DEFAULTCATALOG = "defaultCatalog"; protected static final String PROP_DRIVERCLASSNAME = "driverClassName"; protected static final String PROP_MAXACTIVE = "maxActive"; protected static final String PROP_MAXIDLE = "maxIdle"; protected static final String PROP_MINIDLE = "minIdle"; protected static final String PROP_INITIALSIZE = "initialSize"; protected static final String PROP_MAXWAIT = "maxWait"; protected static final String PROP_TESTONBORROW = "testOnBorrow"; protected static final String PROP_TESTONRETURN = "testOnReturn"; protected static final String PROP_TIMEBETWEENEVICTIONRUNSMILLIS = "timeBetweenEvictionRunsMillis"; protected static final String PROP_NUMTESTSPEREVICTIONRUN = "numTestsPerEvictionRun"; protected static final String PROP_MINEVICTABLEIDLETIMEMILLIS = "minEvictableIdleTimeMillis"; protected static final String PROP_TESTWHILEIDLE = "testWhileIdle"; protected static final String PROP_PASSWORD = "password"; protected static final String PROP_URL = "url"; protected static final String PROP_USERNAME = "username"; protected static final String PROP_VALIDATIONQUERY = "validationQuery"; protected static final String PROP_VALIDATIONQUERY_TIMEOUT = "validationQueryTimeout"; protected static final String PROP_INITCONNECTIONSQLS = "initConnectionSqls"; protected static final String PROP_ACCESSTOUNDERLYINGCONNECTIONALLOWED = "accessToUnderlyingConnectionAllowed"; protected static final String PROP_REMOVEABANDONED = "removeAbandoned"; protected static final String PROP_REMOVEABANDONEDTIMEOUT = "removeAbandonedTimeout"; protected static final String PROP_LOGABANDONED = "logAbandoned"; protected static final String PROP_POOLPREPAREDSTATEMENTS = "poolPreparedStatements"; protected static final String PROP_MAXOPENPREPAREDSTATEMENTS = "maxOpenPreparedStatements"; protected static final String PROP_CONNECTIONPROPERTIES = "connectionProperties"; protected static final String[] ALL_PROPERTIES = { "defaultAutoCommit", "defaultReadOnly", "defaultTransactionIsolation", "defaultCatalog", "driverClassName", "maxActive", "maxIdle", "minIdle", "initialSize", "maxWait", "testOnBorrow", "testOnReturn", "timeBetweenEvictionRunsMillis", "numTestsPerEvictionRun", "minEvictableIdleTimeMillis", "testWhileIdle", "password", "url", "username", "validationQuery", "validationQueryTimeout", "initConnectionSqls", "accessToUnderlyingConnectionAllowed", "removeAbandoned", "removeAbandonedTimeout", "logAbandoned", "poolPreparedStatements", "maxOpenPreparedStatements", "connectionProperties" }; public Object getObjectInstance(Object obj, Name name, Context nameCtx, Hashtable environment) throws Exception { if ((obj == null) || (!(obj instanceof Reference))) { return null; } Reference ref = (Reference) obj; if (!"javax.sql.DataSource".equals(ref.getClassName())) { return null; } Properties properties = new Properties(); for (int i = 0; i < ALL_PROPERTIES.length; i++) { String propertyName = ALL_PROPERTIES[i]; RefAddr ra = ref.get(propertyName); if (ra != null) { String propertyValue = ra.getContent().toString(); properties.setProperty(propertyName, propertyValue); } } return createDataSource(properties); } public static DataSource createDataSource(Properties properties) throws Exception { final BasicDataSource dataSource = new BasicDataSource(); String value = null; value = properties.getProperty("defaultAutoCommit"); if (value != null) { dataSource.setDefaultAutoCommit(Boolean.valueOf(value) .booleanValue()); } value = properties.getProperty("defaultReadOnly"); if (value != null) { dataSource .setDefaultReadOnly(Boolean.valueOf(value).booleanValue()); } value = properties.getProperty("defaultTransactionIsolation"); if (value != null) { int level = -1; if ("NONE".equalsIgnoreCase(value)) { level = 0; } else if ("READ_COMMITTED".equalsIgnoreCase(value)) { level = 2; } else if ("READ_UNCOMMITTED".equalsIgnoreCase(value)) { level = 1; } else if ("REPEATABLE_READ".equalsIgnoreCase(value)) { level = 4; } else if ("SERIALIZABLE".equalsIgnoreCase(value)) level = 8; else { try { level = Integer.parseInt(value); } catch (NumberFormatException e) { System.err .println("Could not parse defaultTransactionIsolation: " + value); System.err .println("WARNING: defaultTransactionIsolation not set"); System.err .println("using default value of database driver"); level = -1; } } dataSource.setDefaultTransactionIsolation(level); } value = properties.getProperty("defaultCatalog"); if (value != null) { dataSource.setDefaultCatalog(value); } value = properties.getProperty("driverClassName"); if (value != null) { dataSource.setDriverClassName(value); } value = properties.getProperty("maxActive"); if (value != null) { dataSource.setMaxActive(Integer.parseInt(value)); } value = properties.getProperty("maxIdle"); if (value != null) { dataSource.setMaxIdle(Integer.parseInt(value)); } value = properties.getProperty("minIdle"); if (value != null) { dataSource.setMinIdle(Integer.parseInt(value)); } value = properties.getProperty("initialSize"); if (value != null) { dataSource.setInitialSize(Integer.parseInt(value)); } value = properties.getProperty("maxWait"); if (value != null) { dataSource.setMaxWait(Long.parseLong(value)); } value = properties.getProperty("testOnBorrow"); if (value != null) { dataSource.setTestOnBorrow(Boolean.valueOf(value).booleanValue()); } value = properties.getProperty("testOnReturn"); if (value != null) { dataSource.setTestOnReturn(Boolean.valueOf(value).booleanValue()); } value = properties.getProperty("timeBetweenEvictionRunsMillis"); if (value != null) { dataSource.setTimeBetweenEvictionRunsMillis(Long.parseLong(value)); } value = properties.getProperty("numTestsPerEvictionRun"); if (value != null) { dataSource.setNumTestsPerEvictionRun(Integer.parseInt(value)); } value = properties.getProperty("minEvictableIdleTimeMillis"); if (value != null) { dataSource.setMinEvictableIdleTimeMillis(Long.parseLong(value)); } value = properties.getProperty("testWhileIdle"); if (value != null) { dataSource.setTestWhileIdle(Boolean.valueOf(value).booleanValue()); } value = properties.getProperty("password"); if (value != null) { dataSource.setPassword(CipherEncrypter.decrypt(value.trim())); } value = properties.getProperty("url"); if (value != null) { dataSource.setUrl(value); } value = properties.getProperty("username"); if (value != null) { dataSource.setUsername(value.trim()); } value = properties.getProperty("validationQuery"); if (value != null) { dataSource.setValidationQuery(value); } value = properties.getProperty("validationQueryTimeout"); if (value != null) { dataSource.setValidationQueryTimeout(Integer.parseInt(value)); } value = properties.getProperty("accessToUnderlyingConnectionAllowed"); if (value != null) { dataSource.setAccessToUnderlyingConnectionAllowed(Boolean.valueOf( value).booleanValue()); } value = properties.getProperty("removeAbandoned"); if (value != null) { dataSource .setRemoveAbandoned(Boolean.valueOf(value).booleanValue()); } value = properties.getProperty("removeAbandonedTimeout"); if (value != null) { dataSource.setRemoveAbandonedTimeout(Integer.parseInt(value)); } value = properties.getProperty("logAbandoned"); if (value != null) { dataSource.setLogAbandoned(Boolean.valueOf(value).booleanValue()); } value = properties.getProperty("poolPreparedStatements"); if (value != null) { dataSource.setPoolPreparedStatements(Boolean.valueOf(value) .booleanValue()); } value = properties.getProperty("maxOpenPreparedStatements"); if (value != null) { dataSource.setMaxOpenPreparedStatements(Integer.parseInt(value)); } value = properties.getProperty("initConnectionSqls"); if (value != null) { StringTokenizer tokenizer = new StringTokenizer(value, ";"); dataSource.setConnectionInitSqls(Collections.list(tokenizer)); } value = properties.getProperty("connectionProperties"); if (value != null) { Properties p = getProperties(value); Enumeration e = p.propertyNames(); while (e.hasMoreElements()) { String propertyName = (String) e.nextElement(); dataSource.addConnectionProperty(propertyName, p.getProperty(propertyName)); } } if (dataSource.getInitialSize() > 0) { dataSource.getLogWriter(); } Runtime.getRuntime().addShutdownHook(new Thread() { public void run() { try { dataSource.close(); } catch (SQLException e) { e.printStackTrace(); } } }); return dataSource; } protected static Properties getProperties(String propText) throws Exception { Properties p = new Properties(); if (propText != null) { p.load(new ByteArrayInputStream(propText.replace(';', '\n').getBytes())); } return p; } }
D:\>java -jar vajra-dbsecure.jar 1234567 encrypted string :L9+rt2kMEHo=
<Resource auth="Container" driverClassName="com.mysql.jdbc.Driver" maxActive="50" maxIdle="20" maxOpenPreparedStatements="100" maxWait="10000" name="jdbc/yxzxuserDS" password="L9+rt2kMEHo=" poolPreparedStatements="true" type="javax.sql.DataSource" url="jdbc:mysql://192.168.2.102:3306/testdb?autoReconnect=true&useUnicode=true&characterEncoding=UTF-8&useSSL=false" username="appuser" validationQuery="SELECT 1" factory="com.vajra.security.datasource.VajraBasicDataSourceFactory"/>