更新 pom组件版本 新增安全秘钥接口 新增接口关闭 新增encryption接入方法 新增basic接入方法 新增User-Agent接入方法 支持ftp多用户 支持basic多用户 修复file接入协议错误 修复ssl伪证书错误 美化RUL报错提醒

server/src/main/java/cn/keking/utils/AESUtil.java

@@ -0,0 +1,79 @@
+package cn.keking.utils;
+
+import cn.keking.config.ConfigConstants;
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.SecretKeySpec;
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+
+/**
+ * AES加密解密工具类（目前AES比DES和DES3更安全，速度更快，对称加密一般采用AES）
+ */
+public class AESUtil {
+    private static final String aesKey = ConfigConstants.getaesKey();
+
+    /**
+     * AES解密
+     */
+    public static String AesDecrypt(String url) {
+        if (!aesKey(aesKey)) {
+            return null;
+        }
+        try {
+            byte[] raw = aesKey.getBytes(StandardCharsets.UTF_8);
+            SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
+            Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
+            cipher.init(Cipher.DECRYPT_MODE, skeySpec);
+            byte[] encrypted1 = Base64.getDecoder().decode(url);//先用base64解密
+            byte[] original = cipher.doFinal(encrypted1);
+            return new String(original, StandardCharsets.UTF_8);
+        } catch (Exception e) {
+            if (e.getMessage().contains("Given final block not properly padded. Such issues can arise if a bad key is used during decryption")) {
+                return "Keyerror";
+            }else if (e.getMessage().contains("Input byte array has incorrect ending byte")) {
+                return "byteerror";
+            }else if (e.getMessage().contains("Illegal base64 character")) {
+                return "base64error";
+            }else if (e.getMessage().contains("Input length must be multiple of 16 when decrypting with padded cipher")) {
+                return "byteerror";
+            }else {
+                System.out.println("ace错误:"+e);
+                return null;
+            }
+        }
+    }
+
+    /**
+     * AES加密
+     */
+    public static String aesEncrypt(String url) {
+        if (!aesKey(aesKey)) {
+            return null;
+        }
+        try {
+            byte[] raw = aesKey.getBytes(StandardCharsets.UTF_8);
+            SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
+            Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");//"算法/模式/补码方式"
+            cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
+            byte[] encrypted = cipher.doFinal(url.getBytes(StandardCharsets.UTF_8));
+            return new String(Base64.getEncoder().encode(encrypted));//此处使用BASE64做转码功能，同时能起到2次加密的作用。
+        } catch (Exception e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+    public static boolean aesKey(String aesKey) {
+        if (aesKey == null) {
+            System.out.print("Key为空null");
+            return false;
+        }
+        // 判断Key是否为16位
+        if (aesKey.length() != 16) {
+            System.out.print("Key长度不是16位");
+            return false;
+        }
+        return true;
+    }
+}