55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
package middleware
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import (
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"context"
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"fmt"
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"strings"
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"a301_server/pkg/config"
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"a301_server/pkg/database"
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"github.com/gofiber/fiber/v2"
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"github.com/golang-jwt/jwt/v5"
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)
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func Auth(c *fiber.Ctx) error {
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header := c.Get("Authorization")
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if !strings.HasPrefix(header, "Bearer ") {
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return c.Status(fiber.StatusUnauthorized).JSON(fiber.Map{"error": "인증이 필요합니다"})
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}
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tokenStr := strings.TrimPrefix(header, "Bearer ")
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token, err := jwt.Parse(tokenStr, func(t *jwt.Token) (any, error) {
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if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, fmt.Errorf("unexpected signing method")
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}
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return []byte(config.C.JWTSecret), nil
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})
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if err != nil || !token.Valid {
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return c.Status(fiber.StatusUnauthorized).JSON(fiber.Map{"error": "유효하지 않은 토큰입니다"})
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}
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claims := token.Claims.(jwt.MapClaims)
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userID := uint(claims["user_id"].(float64))
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username := claims["username"].(string)
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role := claims["role"].(string)
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// Redis 세션 확인
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key := fmt.Sprintf("session:%d", userID)
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stored, err := database.RDB.Get(context.Background(), key).Result()
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if err != nil || stored != tokenStr {
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return c.Status(fiber.StatusUnauthorized).JSON(fiber.Map{"error": "만료되었거나 로그아웃된 세션입니다"})
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}
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c.Locals("userID", userID)
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c.Locals("username", username)
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c.Locals("role", role)
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return c.Next()
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}
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func AdminOnly(c *fiber.Ctx) error {
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if c.Locals("role") != "admin" {
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return c.Status(fiber.StatusForbidden).JSON(fiber.Map{"error": "관리자 권한이 필요합니다"})
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}
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return c.Next()
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}
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