miniITCS/backend/internal/middleware/auth.go

57 lines
1.2 KiB
Go

package middleware
import (
"net/http"
"strings"
"github.com/gin-gonic/gin"
"admintemplate/internal/auth"
)
func AuthMiddleware(jwtSecret string) gin.HandlerFunc {
return func(c *gin.Context) {
authHeader := c.GetHeader("Authorization")
if authHeader == "" {
c.JSON(http.StatusUnauthorized, gin.H{"error": "Authorization header required"})
c.Abort()
return
}
// Bearer token format
parts := strings.Split(authHeader, " ")
if len(parts) != 2 || parts[0] != "Bearer" {
c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid authorization format"})
c.Abort()
return
}
token := parts[1]
claims, err := auth.ValidateToken(token, jwtSecret)
if err != nil {
c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid or expired token"})
c.Abort()
return
}
// Set user info in context
c.Set("user_id", claims.UserID)
c.Set("username", claims.Username)
c.Set("role", claims.Role)
c.Next()
}
}
func RequireAdmin() gin.HandlerFunc {
return func(c *gin.Context) {
role, exists := c.Get("role")
if !exists || role != "admin" {
c.JSON(http.StatusForbidden, gin.H{"error": "Admin access required"})
c.Abort()
return
}
c.Next()
}
}