Files
hspguard/internal/auth/refresh.go
2025-06-11 18:48:08 +02:00

83 lines
2.0 KiB
Go

package auth
import (
"encoding/json"
"fmt"
"net/http"
"strings"
"time"
"gitea.local/admin/hspguard/internal/types"
"gitea.local/admin/hspguard/internal/util"
"gitea.local/admin/hspguard/internal/web"
"github.com/google/uuid"
)
func (h *AuthHandler) refreshToken(w http.ResponseWriter, r *http.Request) {
authHeader := r.Header.Get("Authorization")
if authHeader == "" {
web.Error(w, "unauthorized", http.StatusUnauthorized)
return
}
parts := strings.Split(authHeader, "Bearer ")
if len(parts) != 2 {
web.Error(w, "invalid auth header format", http.StatusUnauthorized)
return
}
tokenStr := parts[1]
var userClaims types.UserClaims
token, err := util.VerifyToken(tokenStr, h.cfg.Jwt.PublicKey, &userClaims)
if err != nil || !token.Valid {
http.Error(w, fmt.Sprintf("invalid token: %v", err), http.StatusUnauthorized)
return
}
expire, err := userClaims.GetExpirationTime()
if err != nil {
web.Error(w, "failed to retrieve enough info from the token", http.StatusInternalServerError)
return
}
if time.Now().After(expire.Time) {
web.Error(w, "token is expired", http.StatusUnauthorized)
return
}
userId, err := uuid.Parse(userClaims.Subject)
if err != nil {
web.Error(w, "failed to parsej user id from token", http.StatusInternalServerError)
return
}
user, err := h.repo.FindUserId(r.Context(), userId)
if err != nil {
web.Error(w, "user with provided email does not exists", http.StatusBadRequest)
return
}
access, refresh, err := h.signTokens(&user)
if err != nil {
web.Error(w, "failed to generate tokens", http.StatusInternalServerError)
return
}
type Response struct {
AccessToken string `json:"access"`
RefreshToken string `json:"refresh"`
}
encoder := json.NewEncoder(w)
w.Header().Set("Content-Type", "application/json")
if err := encoder.Encode(Response{
AccessToken: access.Token,
RefreshToken: refresh.Token,
}); err != nil {
web.Error(w, "failed to encode response", http.StatusInternalServerError)
}
}