加入AES加密工具类

pcloud-common/src/main/java/com/pcloud/common/utils/encrypt/AESUtil.java

+package com.pcloud.common.utils.encrypt;
+
+import com.pcloud.common.exceptions.BizException;
+import org.apache.commons.lang3.StringUtils;
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.SecretKeySpec;
+import java.nio.charset.StandardCharsets;
+
+public class AESUtil {
+
+    private AESUtil() {
+    }
+
+    private static final String KEY_AES = "AES";
+
+    private static final String DEFAULT_KEY = "~dcg@rays$2021^&";
+
+    private static Cipher ENCRYPT_CIPHER = null;
+    private static Cipher DECRYPT_CIPHER = null;
+
+    /**
+     * 使用固定密钥加密
+     * @param src   待加密数据
+     * @return  加密后数据
+     */
+    public static String fixedEncrypt(final String src) {
+        if (StringUtils.isBlank(src)) {
+            return src;
+        }
+        try {
+            byte[] encrypted = getEncryptCipherInstance().doFinal(src.getBytes());
+            return byte2hex(encrypted);
+        } catch (Throwable t) {
+            throw new BizException("aes encrypt failed,src=" + src, t);
+        }
+
+    }
+
+    /**
+     * 使用固定密钥解密
+     * @param encrypted 待解密数据
+     * @return  解密后结果
+     */
+    public static String fixedDecrypt(final String encrypted) {
+        if (StringUtils.isBlank(encrypted)) {
+            return encrypted;
+        }
+        try {
+            byte[] b = hex2byte(encrypted);
+            if (b == null) {
+                throw new BizException("aes decrypt failed,src=" + encrypted);
+            }
+            byte[] original = getDecryptCipherInstance().doFinal(b);
+            return new String(original, StandardCharsets.UTF_8);
+        } catch (Throwable t) {
+            throw new BizException("aes decrypt failed,src=" + encrypted, t);
+        }
+    }
+
+    private static Cipher getEncryptCipherInstance() {
+        if (ENCRYPT_CIPHER == null) {
+            synchronized (AESUtil.class) {
+                if (ENCRYPT_CIPHER == null) {
+                    try {
+                        byte[] raw = DEFAULT_KEY.getBytes();
+                        SecretKeySpec spec = new SecretKeySpec(raw, KEY_AES);
+                        ENCRYPT_CIPHER = Cipher.getInstance(KEY_AES);
+                        ENCRYPT_CIPHER.init(Cipher.ENCRYPT_MODE, spec);
+                    } catch (Throwable t) {
+                        ENCRYPT_CIPHER = null;
+                        throw new BizException("aes cipher init failed", t);
+                    }
+                }
+            }
+        }
+        return ENCRYPT_CIPHER;
+    }
+
+    private static Cipher getDecryptCipherInstance() {
+        if (DECRYPT_CIPHER == null) {
+            synchronized (AESUtil.class) {
+                if (DECRYPT_CIPHER == null) {
+                    try {
+                        byte[] raw = DEFAULT_KEY.getBytes();
+                        SecretKeySpec spec = new SecretKeySpec(raw, KEY_AES);
+                        DECRYPT_CIPHER = Cipher.getInstance(KEY_AES);
+                        DECRYPT_CIPHER.init(Cipher.DECRYPT_MODE, spec);
+                    } catch (Throwable t) {
+                        DECRYPT_CIPHER = null;
+                        throw new BizException("aes cipher init failed", t);
+                    }
+                }
+            }
+        }
+        return DECRYPT_CIPHER;
+    }
+
+    private static byte[] hex2byte(String strhex) {
+        int l = strhex.length();
+        if (l % 2 == 1) {
+            return null;
+        }
+        byte[] b = new byte[l / 2];
+        for (int i = 0; i != l / 2; i++) {
+            b[i] = (byte) Integer.parseInt(strhex.substring(i * 2, i * 2 + 2),
+                    16);
+        }
+        return b;
+    }
+
+    private static String byte2hex(byte[] b) {
+        StringBuilder hs = new StringBuilder();
+        String tmp = "";
+        for (byte value : b) {
+            tmp = (Integer.toHexString(value & 0XFF));
+            if (tmp.length() == 1) {
+                hs.append("0").append(tmp);
+            } else {
+                hs.append(tmp);
+            }
+        }
+        return hs.toString().toUpperCase();
+    }
+}

pcloud-common/src/test/resources/log4j.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE log4j:configuration PUBLIC "-//APACHE//DTD LOG4J 1.2//EN" "log4j.dtd">
+<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
+	
+	<!-- Appenders -->
+	<appender name="console" class="org.apache.log4j.ConsoleAppender">
+		<param name="threshold" value="debug" />
+		<layout class="org.apache.log4j.PatternLayout">
+			<param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss,SSS} %-5p [%t]: %c:%L - %m%n" />
+		</layout>
+	</appender>
+	
+	<!-- Application Loggers -->
+	<logger name="com.pcloud">
+		<level value="debug" />
+	</logger>
+
+
+	<!-- Root Logger -->
+	<root>
+		<priority value="debug" />
+		<appender-ref ref="console" />
+	</root>
+</log4j:configuration>
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