/**
* Zero argument constructor for generation a key pair There will be a public key and a private
* key available
*
* @throws KOAException This exception will be thrown when there is a problem with generation a
* key pair
*/
public KOAKeyPair() throws KOAException {
try {
KEYPAIR_KEY_LENGTH = TechnicalProps.getIntProperty(TechnicalProps.RSA_KEY_LENGTH);
KeyPairGenerator keyPairGen = KeyPairGenerator.getInstance(KEYPAIR_GENERATOR_ALGORITHM);
keyPairGen.initialize(KEYPAIR_KEY_LENGTH);
keyPair = keyPairGen.generateKeyPair();
} catch (NoSuchAlgorithmException nsae) {
// KOALogHelper.logError ("KOAKeyPair", "Cannot generate key pair", nsae);
throw new KOAException(ErrorConstants.SECURITY_KEYPAIR_GENERATE, nsae);
}
}
/**
* Constructor writes an open tag to the writer
*
* @param xWriter de xml data wil be writen to this writer
*/
public KielijstExportWriter(Writer xWriter) throws KOAException {
try {
this.xWriter = xWriter;
xWriter.write(
"<?xml version=\"1.0\" encoding=\""
+ TechnicalProps.getProperty(TechnicalProps.KL_EXPORT_XML_ENCODING)
+ "\"?>\n");
xWriter.write("<result action=\"replace\" contenttype=\"kieslijst\">\n");
} catch (IOException ioe) {
String[] params = {"writer"};
KOALogHelper.logErrorCode("KielijstExportWriter", ErrorConstants.ERR_IO, params, ioe);
throw new KOADataBeheerException(KOADataBeheerException.IO_EXCETION, ioe);
}
}
/**
* Constructor for decryption of a key. Only the public of private key of the <code>keyType</code>
* will be available the other will return null
*
* @param password The password used for decryption
* @param criptKey A stream with the encrypted key
* @param keyType The type of the key public (<code>PUBLIC_KEY</code>) or private (<code>
* PRIVATE_KEY</code>)
* @throws KOAException This exception will be thrown when there is a problem with decryption
*/
public KOAKeyPair(String password, InputStream cryptKey, int keyType) throws KOAException {
try {
KEYPAIR_KEY_LENGTH = TechnicalProps.getIntProperty(TechnicalProps.RSA_KEY_LENGTH);
PBEParameterSpec paramSpec = new PBEParameterSpec(SALT, 20);
PBEKeySpec keySpec = new PBEKeySpec(password.toCharArray());
SecretKeyFactory kf = SecretKeyFactory.getInstance(KEY_ENCRIPTION_AKGORITHM);
SecretKey passwordKey = kf.generateSecret(keySpec);
Cipher cipher = Cipher.getInstance(KEY_ENCRIPTION_AKGORITHM);
cipher.init(Cipher.UNWRAP_MODE, passwordKey, paramSpec);
byte[] dummy = new byte[128];
int length;
ByteArrayOutputStream byteArray = new ByteArrayOutputStream();
while ((length = cryptKey.read(dummy)) != -1) {
byteArray.write(dummy, 0, length);
}
if (keyType == PRIVATE_KEY) {
Key unwrappedKey =
cipher.unwrap(byteArray.toByteArray(), KEYPAIR_GENERATOR_ALGORITHM, keyType);
keyPair = new KeyPair(null, (PrivateKey) unwrappedKey);
} else if (keyType == PUBLIC_KEY) {
Key unwrappedKey =
cipher.unwrap(byteArray.toByteArray(), KEYPAIR_GENERATOR_ALGORITHM, keyType);
keyPair = new KeyPair((PublicKey) unwrappedKey, null);
} else {
throw new InvalidKeyException("criptKey does not represent a wrapped key of type keyType");
}
} catch (NoSuchAlgorithmException nsae) {
KOALogHelper.logError("KOAKeyPair", "Cannot decrypt key pair", nsae);
throw new KOAException(ErrorConstants.SECURITY_KEYPAIR_DECRYPT, nsae);
} catch (NoSuchPaddingException nspe) {
KOALogHelper.logError("KOAKeyPair", "Cannot decrypt key pair", nspe);
throw new KOAException(ErrorConstants.SECURITY_KEYPAIR_DECRYPT, nspe);
} catch (InvalidKeySpecException ikse) {
KOALogHelper.logError("KOAKeyPair", "Cannot decrypt key pair", ikse);
throw new KOAException(ErrorConstants.SECURITY_KEYPAIR_DECRYPT, ikse);
} catch (InvalidKeyException ike) {
KOALogHelper.logError("KOAKeyPair", "Cannot decrypt key pair", ike);
throw new KOAException(ErrorConstants.SECURITY_KEYPAIR_DECRYPT, ike);
} catch (InvalidAlgorithmParameterException iape) {
KOALogHelper.logError("KOAKeyPair", "Cannot decrypt key pair", iape);
throw new KOAException(ErrorConstants.SECURITY_KEYPAIR_DECRYPT, iape);
} catch (IOException ioe) {
KOALogHelper.logError("KOAKeyPair", "Cannot decrypt key pair", ioe);
throw new KOAException(ErrorConstants.SECURITY_KEYPAIR_DECRYPT, ioe);
}
}
/**
* The execute method on the Suspend command. This method is executed in the ejb command target.
*
* @throws CommandException necessary to fullfill abstract method signature
* @throws EPlatformException thrown when the remote instance of the Controller can not be
* created.
*/
public void execute()
throws ie.ucd.srg.logica.eplatform.command.CommandException, EPlatformException {
LogHelper.log(LogHelper.INFO, "[SuspendCommand.exeute] execute ");
boolean bBackupFailed = false;
try {
/* init the variabeles */
Hashtable htProps = new Hashtable();
htProps.put(
Context.INITIAL_CONTEXT_FACTORY,
JNDIProperties.getProperty(JNDIProperties.CONTROLLER_CONTEXT_FACTORY));
htProps.put(
Context.PROVIDER_URL, JNDIProperties.getProperty(JNDIProperties.CONTROLLER_PROVIDER));
/* init the context */
InitialContext icContext = new InitialContext(htProps);
/* lookup the controller */
Object obj = icContext.lookup(JNDIProperties.getProperty(JNDIProperties.CONTROLLER_NAME));
/* create the controller */
ControllerHome xControllerHome =
(ControllerHome) PortableRemoteObject.narrow(obj, ControllerHome.class);
Controller xController = xControllerHome.create();
// Verify pincodes. If validated then continue with change of state
g_crCallResult = xController.checkPinCode(sPincode1, sPincode2);
if (g_crCallResult.getResult() == CallResult.RESULT_OK) {
// change state to suspended
g_crCallResult = xController.suspend();
try {
/* Call script to backup database to removable medium */
String sBackupPath = TechnicalProps.getProperty(TechnicalProps.BACKUP_SCRIPT);
LogHelper.log(LogHelper.INFO, "[SuspendCommand.exeute] Start creating backup...");
if (sBackupPath != null) {
Process xProcess = Runtime.getRuntime().exec(sBackupPath);
int iProcessRes = xProcess.waitFor();
if (iProcessRes != 0) {
bBackupFailed = true;
KOALogHelper.log(
KOALogHelper.ERROR,
"Error executing script for backup to fs (suspend state) code = " + iProcessRes);
} else {
bBackupFailed = false;
String sMessage =
ie.ucd.srg.logica.eplatform.error.ErrorMessageFactory.getErrorMessageFactory()
.getErrorMessage(ErrorConstants.CREATE_BACKUP_OK, null);
KOALogHelper.audit(
KOALogHelper.INFO,
AuditEventListener.STATE_CHANGE,
"SuspendElection",
g_sUser,
sMessage);
// set callresult for backup
g_crCallResult.setBackupResult(sMessage);
LogHelper.log(LogHelper.INFO, "[SuspendCommand.exeute] backup created OK...");
}
}
} catch (java.lang.InterruptedException xInterruptedExc) {
bBackupFailed = true;
KOALogHelper.logErrorCode(
"SuspendCommand.execute",
ErrorConstants.UNABLE_TO_START_BACKUP_SCRIPT,
null,
xInterruptedExc);
} catch (java.io.IOException xioExc) {
bBackupFailed = true;
String[] params = {"backupscript"};
KOALogHelper.logErrorCode(
"SuspendCommand.execute", ErrorConstants.ERR_IO, params, xioExc);
}
}
} catch (NamingException ne) {
String[] params = {"Controller"};
KOALogHelper.logErrorCode("SuspendCommand.execute", ErrorConstants.ERR_NAMING, params, ne);
throw new KOAException(ErrorConstants.COMMAND_SUSPEND_EXEC, ne);
} catch (RemoteException re) {
String[] params = {"Controller"};
KOALogHelper.logErrorCode("SuspendCommand.execute", ErrorConstants.ERR_REMOTE, params, re);
throw new KOAException(ErrorConstants.COMMAND_SUSPEND_EXEC, re);
} catch (CreateException ce) {
String[] params = {"Controller"};
KOALogHelper.logErrorCode("SuspendCommand.execute", ErrorConstants.ERR_CREATE, params, ce);
throw new KOAException(ErrorConstants.COMMAND_SUSPEND_EXEC, ce);
} catch (KOAException koae) {
KOALogHelper.logError("SuspendCommand.execute", "KOAException", koae);
throw koae;
}
// Always perform the following code, to check if the backup was successful
finally {
if (bBackupFailed) {
try {
String sMessage =
ie.ucd.srg.logica.eplatform.error.ErrorMessageFactory.getErrorMessageFactory()
.getErrorMessage(ErrorConstants.CREATE_BACKUP_ERROR, null);
KOALogHelper.audit(
KOALogHelper.ERROR,
AuditEventListener.STATE_CHANGE,
"SuspendElection",
g_sUser,
sMessage);
g_crCallResult.setBackupResult(sMessage);
LogHelper.log(
LogHelper.ERROR,
"[SuspendCommand.exeute] Error occured with result that back up is not created...");
} catch (java.io.IOException ioe) {
String[] params = {"Error message factory"};
KOALogHelper.logErrorCode("SuspendCommand.execute", ErrorConstants.ERR_IO, params, ioe);
}
}
}
}
