Вход: без всплывающего окна браузера — API без токена отвечает 401 без Basic, интерфейс уводит на форму входа

α
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

frontend/src/app/interceptors/auth.interceptor.ts

@@ -1,16 +1,22 @@
-import { HttpInterceptorFn, HttpRequest, HttpHandlerFn } from '@angular/common/http';
+import { HttpErrorResponse, HttpInterceptorFn, HttpRequest, HttpHandlerFn } from '@angular/common/http';
+import { inject } from '@angular/core';
+import { Router } from '@angular/router';
+import { catchError, throwError } from 'rxjs';
 
 export const authInterceptor: HttpInterceptorFn = (req: HttpRequest<unknown>, next: HttpHandlerFn) => {
+  const router = inject(Router);
   const token = localStorage.getItem('token');
-  
-  if (token) {
-    const cloned = req.clone({
-      setHeaders: {
-        Authorization: `Bearer ${token}`
+  const request = token ? req.clone({ setHeaders: { Authorization: `Bearer ${token}` } }) : req;
+
+  return next(request).pipe(
+    catchError((error: unknown) => {
+      // not logged in or the token expired → to the login form
+      if (error instanceof HttpErrorResponse && error.status === 401 && !req.url.endsWith('/login')) {
+        localStorage.removeItem('token');
+        localStorage.removeItem('email');
+        router.navigate(['/login']);
       }
-    });
-    return next(cloned);
-  }
-  
-  return next(req);
+      return throwError(() => error);
+    })
+  );
 };