新增：新增修改密码功能，并优化部分以往代码

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/consts/RegExpConstants.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package top.charles7c.cnadmin.common.consts;
+
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+
+/**
+ * @author Charles7c
+ * @since 2023/1/10 20:06
+ */
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public class RegExpConstants {
+
+    /**
+     * 密码正则（必须包含字母和数字的组合，可以使用特殊字符，长度在6-32之间）
+     */
+    public static final String PASSWORD = "^(?=.*\\d)(?=.*[a-z]).{6,32}$";
+}

continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/SecureUtils.java

@@ -23,6 +23,9 @@ import cn.hutool.core.codec.Base64;
 import cn.hutool.crypto.SecureUtil;
 import cn.hutool.crypto.asymmetric.KeyType;
 
+import top.charles7c.cnadmin.common.config.properties.RsaProperties;
+import top.charles7c.cnadmin.common.util.validate.ValidationUtils;
+
 /**
  * 加密/解密工具类
  *
@@ -45,6 +48,19 @@ public class SecureUtils {
         return Base64.encode(SecureUtil.rsa(null, publicKey).encrypt(data, KeyType.PublicKey));
     }
 
+    /**
+     * 私钥解密
+     *
+     * @param data
+     *            要解密的内容（Base64 加密过）
+     * @return 解密后的内容
+     */
+    public static String decryptByRsaPrivateKey(String data) {
+        String privateKey = RsaProperties.PRIVATE_KEY;
+        ValidationUtils.exIfBlank(privateKey, "请配置 RSA 私钥");
+        return decryptByRsaPrivateKey(data, privateKey);
+    }
+
     /**
      * 私钥解密
      *