blade-tool/blade-core-crypto/src/main/java/org/springblade/core/api/crypto/util/ApiCryptoUtil.java

118 lines
3.9 KiB
Java

package org.springblade.core.api.crypto.util;
import org.springblade.core.api.crypto.annotation.decrypt.ApiDecrypt;
import org.springblade.core.api.crypto.annotation.encrypt.ApiEncrypt;
import org.springblade.core.api.crypto.bean.CryptoInfoBean;
import org.springblade.core.api.crypto.config.ApiCryptoProperties;
import org.springblade.core.api.crypto.enums.CryptoType;
import org.springblade.core.api.crypto.exception.EncryptBodyFailException;
import org.springblade.core.api.crypto.exception.EncryptMethodNotFoundException;
import org.springblade.core.api.crypto.exception.KeyNotConfiguredException;
import org.springblade.core.tool.utils.AesUtil;
import org.springblade.core.tool.utils.ClassUtil;
import org.springblade.core.tool.utils.DesUtil;
import org.springblade.core.tool.utils.StringUtil;
import org.springframework.core.MethodParameter;
import org.springframework.lang.Nullable;
/**
* <p>辅助检测工具类</p>
*
* @author licoy.cn, L.cm
*/
public class ApiCryptoUtil {
/**
* 获取方法控制器上的加密注解信息
*
* @param methodParameter 控制器方法
* @return 加密注解信息
*/
@Nullable
public static CryptoInfoBean getEncryptInfo(MethodParameter methodParameter) {
ApiEncrypt encryptBody = ClassUtil.getAnnotation(methodParameter.getMethod(), ApiEncrypt.class);
if (encryptBody == null) {
return null;
}
return new CryptoInfoBean(encryptBody.value(), encryptBody.secretKey());
}
/**
* 获取方法控制器上的解密注解信息
*
* @param methodParameter 控制器方法
* @return 加密注解信息
*/
@Nullable
public static CryptoInfoBean getDecryptInfo(MethodParameter methodParameter) {
ApiDecrypt decryptBody = ClassUtil.getAnnotation(methodParameter.getMethod(), ApiDecrypt.class);
if (decryptBody == null) {
return null;
}
return new CryptoInfoBean(decryptBody.value(), decryptBody.secretKey());
}
/**
* 选择加密方式并进行加密
*
* @param jsonData json 数据
* @param infoBean 加密信息
* @return 加密结果
*/
public static String encryptData(ApiCryptoProperties properties, byte[] jsonData, CryptoInfoBean infoBean) {
CryptoType type = infoBean.getType();
if (type == null) {
throw new EncryptMethodNotFoundException();
}
String secretKey = infoBean.getSecretKey();
if (type == CryptoType.DES) {
secretKey = ApiCryptoUtil.checkSecretKey(properties.getDesKey(), secretKey, "DES");
return DesUtil.encryptToBase64(jsonData, secretKey);
}
if (type == CryptoType.AES) {
secretKey = ApiCryptoUtil.checkSecretKey(properties.getAesKey(), secretKey, "AES");
return AesUtil.encryptToBase64(jsonData, secretKey);
}
throw new EncryptBodyFailException();
}
/**
* 选择加密方式并进行解密
*
* @param bodyData byte array
* @param infoBean 加密信息
* @return 解密结果
*/
public static byte[] decryptData(ApiCryptoProperties properties, byte[] bodyData, CryptoInfoBean infoBean) {
CryptoType type = infoBean.getType();
if (type == null) {
throw new EncryptMethodNotFoundException();
}
String secretKey = infoBean.getSecretKey();
if (type == CryptoType.AES) {
secretKey = ApiCryptoUtil.checkSecretKey(properties.getAesKey(), secretKey, "AES");
return AesUtil.decryptFormBase64(bodyData, secretKey);
}
if (type == CryptoType.DES) {
secretKey = ApiCryptoUtil.checkSecretKey(properties.getDesKey(), secretKey, "DES");
return DesUtil.decryptFormBase64(bodyData, secretKey);
}
throw new EncryptMethodNotFoundException();
}
/**
* 检验私钥
*
* @param k1 配置的私钥
* @param k2 注解上的私钥
* @param keyName key名称
* @return 私钥
*/
private static String checkSecretKey(String k1, String k2, String keyName) {
if (StringUtil.isBlank(k1) && StringUtil.isBlank(k2)) {
throw new KeyNotConfiguredException(String.format("%s key is not configured (未配置%s)", keyName, keyName));
}
return StringUtil.isBlank(k2) ? k1 : k2;
}
}