添加jwt鉴权中间件

pkg/auth/jwt.go

@@ -0,0 +1,54 @@
+package auth
+
+import (
+	"errors"
+	"fmt"
+	"github.com/golang-jwt/jwt/v5"
+	"time"
+)
+
+// @Author: yv1ing
+// @Author: me@yvling.cn
+// @Date: 2025/8/28 15:54
+// @Desc: jwt鉴权方法
+
+type AccessClaims struct {
+	ID       uint   `json:"id"`
+	Username string `json:"username"`
+	jwt.RegisteredClaims
+}
+
+func CreateAccessToken(ID uint, username string, secretKey string) (string, error) {
+	jwtSecret := []byte(secretKey)
+
+	claims := AccessClaims{
+		ID:       ID,
+		Username: username,
+		RegisteredClaims: jwt.RegisteredClaims{
+			Subject:   "gin-admin",
+			IssuedAt:  jwt.NewNumericDate(time.Now()),
+			ExpiresAt: jwt.NewNumericDate(time.Now().Add(12 * time.Hour)),
+			ID:        fmt.Sprintf("%d-%d", ID, time.Now().UnixNano()),
+		},
+	}
+
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	return token.SignedString(jwtSecret)
+}
+
+func ParseAccessToken(tokenStr, secretKey string) (*AccessClaims, error) {
+	jwtSecret := []byte(secretKey)
+	token, err := jwt.ParseWithClaims(tokenStr, &AccessClaims{}, func(token *jwt.Token) (interface{}, error) {
+		return jwtSecret, nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	if claims, ok := token.Claims.(*AccessClaims); ok && token.Valid {
+		return claims, nil
+	}
+
+	return nil, errors.New("token非法")
+}