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