refactor(utils): 移除AES CBC解密函数并优化token加密逻辑

- 删除了AesCBCDecrypt函数，不再支持AES/CBC/PKCS7Padding解密方式- 在token.go中引入hex包用于密钥和IV的解码
- 使用hex.DecodeString对secretCfg中的Key和IV进行解码
- 添加日志记录key和iv解码失败的情况
- 加密失败时增加错误日志输出
- 保持原有加密功能不变，仅调整实现细节和依赖处理

internal/service/token.go

@@ -5,7 +5,9 @@ import (
 	"boss/internal/utils"
 	"context"
 	"encoding/base64"
+	"encoding/hex"
 	"encoding/json"
+	"github.com/beego/beego/v2/core/logs"
 	"sync"
 	"time"
 )
@@ -28,8 +30,19 @@ func (t *TokenService) GetToken(ctx context.Context, userId string) (token strin
 	if err != nil {
 		return ""
 	}
-	tokenB, err := utils.AesCBCEncrypt(tokenBytes, []byte(secretCfg.Key), []byte(secretCfg.IV))
+	key, err := hex.DecodeString(secretCfg.Key)
 	if err != nil {
+		logs.Error(err)
+		return ""
+	}
+	iv, err := hex.DecodeString(secretCfg.IV)
+	if err != nil {
+		logs.Error(err)
+		return ""
+	}
+	tokenB, err := utils.AesCBCEncrypt(tokenBytes, key, iv)
+	if err != nil {
+		logs.Error(err)
 		return ""
 	}
 	return base64.URLEncoding.EncodeToString(tokenB)

internal/utils/AES_ECB.go

@@ -63,27 +63,6 @@ func AesCBCEncrypt(plaintext []byte, key []byte, iv []byte) ([]byte, error) {
 	return plaintext, nil
 }
 
-// AesCBCDecrypt AES/CBC/PKCS7Padding 解密
-func AesCBCDecrypt(ciphertext []byte, key []byte, iv []byte) ([]byte, error) {
-	// AES
-	block, err := aes.NewCipher(key)
-	if err != nil {
-		panic(err)
-	}
-
-	if len(ciphertext)%aes.BlockSize != 0 {
-		panic("ciphertext is not a multiple of the block size")
-	}
-
-	// CBC 解密
-	mode := cipher.NewCBCDecrypter(block, iv)
-	mode.CryptBlocks(ciphertext, ciphertext)
-
-	// PKCS7 反填充
-	result := unPaddingPKCS7(ciphertext)
-	return result, nil
-}
-
 // PKCS7 填充
 func paddingPKCS7(plaintext []byte, blockSize int) []byte {
 	paddingSize := blockSize - len(plaintext)%blockSize