【fix sonar】PasswordUtil文件

jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/PasswordUtil.java

@@ -1,13 +1,18 @@
 package com.jero.common.util;
 
-import java.nio.charset.StandardCharsets;
-import java.security.Key;
-import java.security.SecureRandom;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.PostConstruct;
 import javax.crypto.Cipher;
 import javax.crypto.SecretKey;
 import javax.crypto.SecretKeyFactory;
 import javax.crypto.spec.PBEKeySpec;
 import javax.crypto.spec.PBEParameterSpec;
+import java.nio.charset.StandardCharsets;
+import java.security.Key;
+import java.security.SecureRandom;
+@Component
 public class PasswordUtil {
 
 	private PasswordUtil(){
@@ -22,8 +27,32 @@ public class PasswordUtil {
 	/**
 	 * 定义使用的算法为:PBEWITHMD5andDES算法
 	 */
-	public static final String ALGORITHM = "PBEWithMD5AndDES";//加密算法
-	public static final String SALT = "63293188";//密钥
+	//加密算法
+	public static String ALGORITHM;
+	@Value("${jero.password.pbe.algorithm}")
+	private String algorithmStr;
+	@PostConstruct
+	public void setAlgorithm(){
+		synchronized (PasswordUtil.class){
+			if(ALGORITHM == null){
+				ALGORITHM = this.algorithmStr;
+			}
+		}
+	}
+
+	public static String SALT;
+	//密钥
+	@Value("${jero.password.pbe.salt}")
+	private String saltStr;
+	@PostConstruct
+	public void setSalt(){
+		synchronized (PasswordUtil.class){
+			if(SALT == null){
+				SALT = this.saltStr;
+			}
+		}
+
+	}
 
 	/**
 	 * 定义迭代次数为1000次
@@ -143,6 +172,17 @@ public class PasswordUtil {
 		}
 		return new String(passDec);
 	}
+	/**
+	 * 自定义加密明文字符串
+	 *
+	 * @param ciphertext
+	 *            待解密的密文字符串
+	 * @return 解密后的明文字符串
+	 * @throws Exception
+	 */
+	public static String decrypt(String ciphertext) {
+		return decrypt(ciphertext, ALGORITHM, SALT);
+	}
 
 	/**
 	 * 将字节数组转换为十六进制字符串
@@ -193,5 +233,4 @@ public class PasswordUtil {
 		return (byte) "0123456789ABCDEF".indexOf(c);
 	}
 
-
 }