cn.org.once.cstack.utils.CustomPasswordEncoder.java Source code

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Here is the source code for cn.org.once.cstack.utils.CustomPasswordEncoder.java

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/*
 * LICENCE : CloudUnit is available under the GNU Affero General Public License : https://gnu.org/licenses/agpl.html
 * but CloudUnit is licensed too under a standard commercial license.
 * Please contact our sales team if you would like to discuss the specifics of our Enterprise license.
 * If you are not sure whether the AGPL is right for you,
 * you can always test our software under the AGPL and inspect the source code before you contact us
 * about purchasing a commercial license.
 *
 * LEGAL TERMS : "CloudUnit" is a registered trademark of Treeptik and can't be used to endorse
 * or promote products derived from this project without prior written permission from Treeptik.
 * Products or services derived from this software may not be called "CloudUnit"
 * nor may "Treeptik" or similar confusing terms appear in their names without prior written permission.
 * For any questions, contact us : contact@treeptik.fr
 */

package cn.org.once.cstack.utils;

import org.apache.commons.codec.binary.Base64;
import org.springframework.security.crypto.password.PasswordEncoder;

import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
import java.security.Key;

/**
 * Custom encoder for CloudUnit.
 * We could not use any standard because we need a bijectiv algorith.
 * We need to decrypt password from database to inject them into containers and shell scripts.
 */
public class CustomPasswordEncoder implements PasswordEncoder {

    private static final String ALGO = "AES";

    private static final byte[] keyValue = new byte[] { 'C', 'l', 'O', 'u', 'D', 'U', 'n', 'I', 't', '2', '0', '1',
            '5', '0', '0', '0' };

    private static Key generateKey() throws Exception {
        Key key = new SecretKeySpec(keyValue, ALGO);
        return key;
    }

    @Override
    public String encode(CharSequence sequence) {
        Cipher cipher;
        String encryptedString = null;
        try {
            cipher = Cipher.getInstance(ALGO);
            cipher.init(Cipher.ENCRYPT_MODE, generateKey());
            encryptedString = Base64.encodeBase64String(cipher.doFinal(sequence.toString().getBytes()));
        } catch (Exception e) {
            e.printStackTrace();
        }
        return encryptedString;
    }

    public String decode(CharSequence pass) {
        Cipher cipher;
        String decryptString = null;
        try {
            byte[] encryptText = Base64.decodeBase64(pass.toString());
            cipher = Cipher.getInstance(ALGO);
            cipher.init(Cipher.DECRYPT_MODE, generateKey());
            decryptString = new String(cipher.doFinal(encryptText));
        } catch (Exception e) {
            e.printStackTrace();
        }
        return decryptString;
    }

    @Override
    public boolean matches(CharSequence sequence, String toMatch) {
        return this.encode(sequence).equalsIgnoreCase(toMatch);
    }

}