Files
template-vitrine/backend/internal/modules/auth/customer_handler.go
T
2026-09-14 20:50:19 +02:00

113 lines
3.6 KiB
Go

package auth
import (
"errors"
"net/http"
"github.com/gin-gonic/gin"
"backend/internal/modules/users"
"backend/internal/platform/middleware"
"backend/internal/platform/security"
)
// customer cookie name/path are intentionally distinct from the admin ones
// (see admin_handler.go) so the two spaces never share a session cookie.
const (
customerRefreshCookieName = "customer_refresh_token"
customerRefreshCookiePath = "/api/auth/customer"
)
// CustomerHandler mirrors AdminHandler but issues/accepts only
// customer-audience tokens. Not mounted by main.go in this phase (no
// customer-facing module needs it yet) — it exists so the future
// cart/orders module can activate customer auth without touching the admin
// code path at all.
type CustomerHandler struct {
service *Service
cookieSecure bool
}
func NewCustomerHandler(service *Service, cookieSecure bool) *CustomerHandler {
return &CustomerHandler{service: service, cookieSecure: cookieSecure}
}
func (h *CustomerHandler) Login(c *gin.Context) {
var req loginRequest
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "validation error", "details": err.Error()})
return
}
pair, user, err := h.service.Login(c.Request.Context(), security.AudienceCustomer, users.RoleCustomer, req.Email, req.Password)
if err != nil {
switch {
case errors.Is(err, ErrInvalidCredentials), errors.Is(err, ErrAccountDisabled):
c.JSON(http.StatusUnauthorized, gin.H{"error": "invalid credentials"})
default:
c.JSON(http.StatusInternalServerError, gin.H{"error": "login failed"})
}
return
}
h.setRefreshCookie(c, pair.RefreshToken)
c.JSON(http.StatusOK, accessTokenResponse{
AccessToken: pair.AccessToken,
User: &authUserResponse{ID: user.ID, Email: user.Email, Role: user.Role},
})
}
func (h *CustomerHandler) Refresh(c *gin.Context) {
token, err := c.Cookie(customerRefreshCookieName)
if err != nil || token == "" {
c.JSON(http.StatusUnauthorized, gin.H{"error": "missing refresh token"})
return
}
pair, err := h.service.Refresh(c.Request.Context(), security.AudienceCustomer, token)
if err != nil {
h.clearRefreshCookie(c)
c.JSON(http.StatusUnauthorized, gin.H{"error": "invalid or expired refresh token"})
return
}
h.setRefreshCookie(c, pair.RefreshToken)
c.JSON(http.StatusOK, accessTokenResponse{AccessToken: pair.AccessToken})
}
func (h *CustomerHandler) Logout(c *gin.Context) {
if token, err := c.Cookie(customerRefreshCookieName); err == nil && token != "" {
_ = h.service.Logout(c.Request.Context(), security.AudienceCustomer, token)
}
h.clearRefreshCookie(c)
c.JSON(http.StatusOK, gin.H{"message": "logged out"})
}
func (h *CustomerHandler) Me(c *gin.Context) {
userID, ok := middleware.GetUserID(c)
if !ok {
c.JSON(http.StatusUnauthorized, gin.H{"error": "unauthorized"})
return
}
user, err := h.service.Me(c.Request.Context(), userID)
if err != nil {
if errors.Is(err, users.ErrNotFound) {
c.JSON(http.StatusNotFound, gin.H{"error": "user not found"})
return
}
c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to load user"})
return
}
c.JSON(http.StatusOK, authUserResponse{ID: user.ID, Email: user.Email, Role: user.Role})
}
func (h *CustomerHandler) setRefreshCookie(c *gin.Context, token string) {
c.SetSameSite(http.SameSiteStrictMode)
c.SetCookie(customerRefreshCookieName, token, int(h.service.RefreshTTL().Seconds()), customerRefreshCookiePath, "", h.cookieSecure, true)
}
func (h *CustomerHandler) clearRefreshCookie(c *gin.Context) {
c.SetSameSite(http.SameSiteStrictMode)
c.SetCookie(customerRefreshCookieName, "", -1, customerRefreshCookiePath, "", h.cookieSecure, true)
}