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| package org.wiztools.wizcrypt; |
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| |
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| import java.io.UnsupportedEncodingException; |
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| import javax.crypto.NoSuchPaddingException; |
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| |
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| import java.security.NoSuchAlgorithmException; |
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| import java.security.InvalidKeyException; |
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| |
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| import java.io.FileInputStream; |
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| import java.io.FileOutputStream; |
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| import java.io.File; |
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| import java.io.IOException; |
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| import java.io.FileNotFoundException; |
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| |
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| import java.util.ResourceBundle; |
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| |
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| |
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| |
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| public class Decrypt implements IProcess{ |
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| |
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| private static final ResourceBundle rb = ResourceBundle.getBundle("org.wiztools.wizcrypt.wizcryptmsg"); |
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| |
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| private CipherKey ce; |
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| |
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2
| public void init(final String keyStr)
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| throws |
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| NoSuchAlgorithmException, |
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| UnsupportedEncodingException, |
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| InvalidKeyException, |
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| NoSuchPaddingException{ |
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2
| ce = CipherKeyGen.getCipherKeyForDecrypt(keyStr);
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| } |
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| |
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3
| public void process(final File file, final boolean forceOverwrite)
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| throws FileNotFoundException, |
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| DestinationFileExistsException, |
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| PasswordMismatchException, |
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| IOException{ |
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3
| FileInputStream fis = null;
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3
| FileOutputStream fos = null;
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3
| boolean canDelete = false;
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3
| try{
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3
| String path = file.getAbsolutePath();
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3
| if(!path.endsWith(".wiz")){
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1
| throw new FileNotFoundException(rb.getString("err.file.not.end.wiz")+path);
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| } |
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2
| String newPath = path.replaceFirst(".wiz$", "");
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2
| File outFile = new File(newPath);
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2
| if(!forceOverwrite && outFile.exists()){
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0
| throw new DestinationFileExistsException(
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| rb.getString("err.destination.file.exists")+ |
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| outFile.getAbsolutePath()); |
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| } |
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2
| fis = new FileInputStream(file);
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2
| fos = new FileOutputStream(outFile);
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2
| WizCrypt.decrypt(fis, fos, ce);
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1
| canDelete = true;
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| } finally{ |
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| |
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3
| if(canDelete){
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1
| file.delete();
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| } |
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| } |
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| } |
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| } |