首次提交：初始化项目代码

internal/middleware/jwt.go

@@ -0,0 +1,38 @@
+package middleware
+
+import (
+	"strings"
+
+	"cloudnest/internal/pkg/jwt"
+	"cloudnest/internal/pkg/response"
+	"github.com/gin-gonic/gin"
+)
+
+func JWT(jwtSecret string) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if c.Request.Method == "OPTIONS" {
+			c.Next()
+			return
+		}
+
+		auth := c.GetHeader("Authorization")
+		if !strings.HasPrefix(auth, "Bearer ") {
+			response.Unauthorized(c, "未提供认证令牌")
+			c.Abort()
+			return
+		}
+		tokenStr := strings.TrimPrefix(auth, "Bearer ")
+
+		claims, err := jwt.ParseToken(tokenStr, jwtSecret)
+		if err != nil {
+			response.Unauthorized(c, "令牌无效")
+			c.Abort()
+			return
+		}
+
+		c.Set("user_id", claims.UserID)
+		c.Set("username", claims.Username)
+		c.Set("user_code", claims.UserCode)
+		c.Next()
+	}
+}