Init

internal/auth/jwt.go

@@ -0,0 +1,31 @@
+package auth
+
+import (
+	"os"
+	"time"
+
+	"github.com/golang-jwt/jwt/v4"
+)
+
+var jwtSecret = []byte(os.Getenv("JWT_SECRET"))
+
+type Claims struct {
+	Username string `json:"username"`
+	Role     string `json:"role"`
+	jwt.RegisteredClaims
+}
+
+func GenerateJWT(username string, role string) (string, error) {
+	claims := Claims{
+		Username: username,
+		Role:     role,
+		RegisteredClaims: jwt.RegisteredClaims{
+			ExpiresAt: jwt.NewNumericDate(time.Now().Add(24 * time.Hour)), // 24h expiration
+			IssuedAt:  jwt.NewNumericDate(time.Now()),
+			NotBefore: jwt.NewNumericDate(time.Now()),
+		},
+	}
+
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	return token.SignedString(jwtSecret)
+}