Java Code Examples for org.apache.shiro.codec.Base64#decode()

/**
  * 解密方法
  * @param data 要解密的数据
  * @param key  解密key
  * @param iv 解密iv
  * @return 解密的结果
  * @throws Exception
  */
 public static String desEncrypt(String data, String key, String iv) throws Exception {
     try {
byte[] encrypted1 = Base64.decode(data);

         Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
         SecretKeySpec keyspec = new SecretKeySpec(key.getBytes(), "AES");
         IvParameterSpec ivspec = new IvParameterSpec(iv.getBytes());

         cipher.init(Cipher.DECRYPT_MODE, keyspec, ivspec);

         byte[] original = cipher.doFinal(encrypted1);
         String originalString = new String(original);
         return originalString;
     } catch (Exception e) {
         e.printStackTrace();
         return null;
     }
 }
 

/**
  * 解密方法
  * @param data 要解密的数据
  * @param key  解密key
  * @param iv 解密iv
  * @return 解密的结果
  * @throws Exception
  */
 public static String desEncrypt(String data, String key, String iv) throws Exception {
     try {
byte[] encrypted1 = Base64.decode(data);

         Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
         SecretKeySpec keyspec = new SecretKeySpec(key.getBytes(), "AES");
         IvParameterSpec ivspec = new IvParameterSpec(iv.getBytes());

         cipher.init(Cipher.DECRYPT_MODE, keyspec, ivspec);

         byte[] original = cipher.doFinal(encrypted1);
         String originalString = new String(original);
         return originalString;
     } catch (Exception e) {
         e.printStackTrace();
         return null;
     }
 }
 

/**
  * 解密方法
  * @param data 要解密的数据
  * @param key  解密key
  * @param iv 解密iv
  * @return 解密的结果
  * @throws Exception
  */
 public static String desEncrypt(String data, String key, String iv) throws Exception {
     try {
byte[] encrypted1 = Base64.decode(data);

         Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
         SecretKeySpec keyspec = new SecretKeySpec(key.getBytes(), "AES");
         IvParameterSpec ivspec = new IvParameterSpec(iv.getBytes());

         cipher.init(Cipher.DECRYPT_MODE, keyspec, ivspec);

         byte[] original = cipher.doFinal(encrypted1);
         String originalString = new String(original);
         return originalString;
     } catch (Exception e) {
         e.printStackTrace();
         return null;
     }
 }
 

/**
 *
 * @param info the AuthenticationInfo from which to retrieve the credentials which assumed to be in already-hashed form.
 * @return a {@link Hash Hash} instance representing the given AuthenticationInfo's stored credentials.
 */
protected Object getCredentials(AuthenticationInfo info) {
    Object credentials = info.getCredentials();

    byte[] storedBytes = toBytes(credentials);

    if (credentials instanceof String || credentials instanceof char[]) {
        //account.credentials were a char[] or String, so
        //we need to do text decoding first:
        if (isStoredCredentialsHexEncoded()) {
            storedBytes = Hex.decode(storedBytes);
        } else {
            storedBytes = Base64.decode(storedBytes);
        }
    }
    AbstractHash hash = newHashInstance();
    hash.setBytes(storedBytes);
    return hash;
}
 

public static void main(String[] args) {
	String base64="zGkG0zevFbnIioooS3MfnnbWeBUeiZrScKVJms0CZAdJ2MYTddPkvBHGmMhvgdKA5QJk8FSb9T1Y1tFlUnnCsIvcK+iX4cfrwD7voGdU5bW9AWjwNvl3BDrAgRf+hvjrI3T5nBTFeW7uI6GzfFrIx92qER9lQ97g19Dn555uwIzf0ULvc8jICZTraLLrf2avh1hy2kUJJblO6u5IHiBbAXBNitZ6W1yjLEWmSFnb+EsEWAGB3WwV1u1HZO045LB4G57UIH4QGM0xfJjWWeahiTS4j9IAEJBbghwfL1A5pdzFiXJzzA5GF85vtP+6jLwQfGaQJyv35PvNNsDmCqFe8eUSBLji5z5y/y+yKfZk9izXiEvFjKQ5kqMqKfLMp+Vn5OuO+syc4CfJL4PLI16vwVUPV1EWAzyxUhK7DtD5OMVcLPwVtwZ11dG88wkZtjXvBymLyGCj5/Tk8gTWYsdcNKD5i8WvbMLT45S4iWsZxa/5offIiCipkkqoqvxCppJLTzBoaR/wlqoa1Bc/cvpijiJTIbSCj+iFloQRdax1mMQ";
	 base64 = ensurePadding(base64);
	  byte[] decoded = Base64.decode(base64);
	  
	  
	   byte[] serialized = decoded;
        CipherService cipherService = new AesCipherService();
        if (cipherService != null) {
            ByteSource byteSource = cipherService.decrypt(decoded, new byte[]{-112, -15, -2, 108, -116, 100, -28, 61, -99, 121, -104, -120, -59, -58, -102, 104});
            serialized = byteSource.getBytes();
        }
        Serializer<PrincipalCollection> serializer = new DefaultSerializer<PrincipalCollection>();
        ;
        System.out.println(serializer.deserialize(serialized));
        
        	SimplePrincipalCollection p=(SimplePrincipalCollection) serializer.deserialize(serialized);	

	  System.out.println(p.getPrimaryPrincipal());
	  System.out.println(p.getRealmNames());
	  System.out.println(p);
}
 

public static void main(String[] args) {
	String base64="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";
	 base64 = ensurePadding(base64);
	  byte[] decoded = Base64.decode(base64);
	  
	  
	   byte[] serialized = decoded;
        CipherService cipherService = new AesCipherService();
        if (cipherService != null) {
            ByteSource byteSource = cipherService.decrypt(decoded, new byte[]{-112, -15, -2, 108, -116, 100, -28, 61, -99, 121, -104, -120, -59, -58, -102, 104});
            serialized = byteSource.getBytes();
        }
        Serializer<PrincipalCollection> serializer = new DefaultSerializer<PrincipalCollection>();
        ;
        System.out.println(serializer.deserialize(serialized));
        
        	SimplePrincipalCollection p=(SimplePrincipalCollection) serializer.deserialize(serialized);	

	  System.out.println(p.getPrimaryPrincipal());
	  System.out.println(p.getRealmNames());
	  System.out.println(p);
}
 

public static JSONObject getUserInfo(String encryptedData, String sessionKey, String iv) {
    // 被加密的数据
    byte[] dataByte = Base64.decode(encryptedData);
    // 加密秘钥
    byte[] keyByte = Base64.decode(sessionKey);
    // 偏移量
    byte[] ivByte = Base64.decode(iv);
    try {
        // 如果密钥不足16位，那么就补足.  这个if 中的内容很重要
        int base = 16;
        if (keyByte.length % base != 0) {
            int groups = keyByte.length / base + (keyByte.length % base != 0 ? 1 : 0);
            byte[] temp = new byte[groups * base];
            Arrays.fill(temp, (byte) 0);
            System.arraycopy(keyByte, 0, temp, 0, keyByte.length);
            keyByte = temp;
        }
        // 初始化
        Security.addProvider(new BouncyCastleProvider());
        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS7Padding", "BC");
        SecretKeySpec spec = new SecretKeySpec(keyByte, "AES");
        AlgorithmParameters parameters = AlgorithmParameters.getInstance("AES");
        parameters.init(new IvParameterSpec(ivByte));
        cipher.init(Cipher.DECRYPT_MODE, spec, parameters);// 初始化
        byte[] resultByte = cipher.doFinal(dataByte);
        if (null != resultByte && resultByte.length > 0) {
            String result = new String(resultByte, "UTF-8");
            return JSON.parseObject(result);
        }
    } catch (Exception e) {
    }
    return null;
}
 

/**
* cookie管理器;
* @return
*/
@Bean
public CookieRememberMeManager rememberMeManager(){
    CookieRememberMeManager cookieRememberMeManager = new CookieRememberMeManager();
    //rememberme cookie加密的密钥 建议每个项目都不一样 默认AES算法 密钥长度（128 256 512 位），通过以下代码可以获取
    //KeyGenerator keygen = KeyGenerator.getInstance("AES");
    //SecretKey deskey = keygen.generateKey();
    //System.out.println(Base64.encodeToString(deskey.getEncoded()));
    byte[] cipherKey = Base64.decode("wGiHplamyXlVB11UXWol8g==");
    cookieRememberMeManager.setCipherKey(cipherKey);
    cookieRememberMeManager.setCookie(rememberMeCookie());
    return cookieRememberMeManager;
}
 

public static <T> T deserializeFromString(String base64){
    try{
        byte[] objectData = Base64.decode(base64);
        return deserialize(objectData);
    } catch (Exception e){
        throw new ResultException("deserialize session error");
    }
}
 

public static <T> Collection<T> deserializeFromStrings(Collection<String> base64s){
    try{
        List<T> list = Lists.newLinkedList();
        for(String base64 : base64s){
            byte[] objectData = Base64.decode(base64);
            T t = deserialize(objectData);
            list.add(t);
        }
        return list;
    }catch (Exception e){
        throw new ResultException("deserialize session error");
    }
}
 

public static Session deserialize(String sessionStr) {
    if (StringUtils.isBlank(sessionStr)) {
        return null;
    }
    try {
        ByteArrayInputStream bis = new ByteArrayInputStream(Base64.decode(sessionStr));
        ObjectInputStream ois = new ObjectInputStream(bis);
        return (Session) ois.readObject();
    } catch (Exception e) {
        throw new RuntimeException("deserialize session error", e);
    }
}
 

public static<T> T deserialize(String sessionStr,Class<T> clazz) {
    try {
        ByteArrayInputStream bis = new ByteArrayInputStream(Base64.decode(sessionStr));
        ObjectInputStream ois = new ObjectInputStream(bis);
        return ReflectionUtil.convertObjectToBean(ois.readObject(),clazz);
    } catch (Exception e) {
        throw new RuntimeException("deserialize session error", e);
    }
}
 

@SuppressWarnings({"rawtypes", "unchecked"})
public static RememberMeManager buildRememberMeManager(Serializer serializer, Logger logger,
													   @Symbol(SymbolConstants.HMAC_PASSPHRASE) String hmacPassphrase,
													   @Symbol(SecuritySymbols.REMEMBERME_CIPHERKERY) String rememberMeCipherKey) throws UnsupportedEncodingException {
	CookieRememberMeManager rememberMeManager = new CookieRememberMeManager();
	// the default Shiro serializer produces obnoxiously long cookies
	rememberMeManager.setSerializer(serializer);

	// assume properly configured cipher is of the right width (divisable by 16)
	byte[] cipherKey = Base64.decode(rememberMeCipherKey);
	if (cipherKey.length <= 0) {
		if (hmacPassphrase.isEmpty()) {
			logger
					.error("Neither symbol '"
								   + SecuritySymbols.REMEMBERME_CIPHERKERY
								   + "' nor  '"
								   + SymbolConstants.HMAC_PASSPHRASE
								   + "' is set. Using a random value as the cipher key for encrypting rememberMe information. Cookies will be invalidated when the JVM is restarted");
			return rememberMeManager;
		}

		logger.warn("Symbol '" + SecuritySymbols.REMEMBERME_CIPHERKERY + "' is not set, using '"
							+ SymbolConstants.HMAC_PASSPHRASE
							+ "' as the cipher. Beware that changing the value will invalidate rememberMe cookies");
		if (hmacPassphrase.length() < 16)
			hmacPassphrase = hmacPassphrase + ("================".substring(hmacPassphrase.length()));
		cipherKey = hmacPassphrase.getBytes("UTF-8");
		if (cipherKey.length > 16) cipherKey = Arrays.copyOf(cipherKey, 16);
	}
	rememberMeManager.setCipherKey(cipherKey);
	return rememberMeManager;
}
 

private static byte[] decode(String content) {
	return Base64.decode(content);
}