fix: Change lang failed (#16861)

Co-authored-by: wangruidong <940853815@qq.com>

apps/jumpserver/middleware.py

@@ -10,8 +10,8 @@ import pytz
 from django.conf import settings
 from django.core.exceptions import MiddlewareNotUsed
 from django.db.utils import OperationalError
-from django.middleware.csrf import CsrfViewMiddleware
 from django.http.response import HttpResponseForbidden, JsonResponse
+from django.middleware.csrf import CsrfViewMiddleware
 from django.shortcuts import HttpResponse
 from django.shortcuts import redirect
 from django.urls import reverse
@@ -19,7 +19,6 @@ from django.utils import timezone
 from rest_framework import status
 
 from .utils import set_current_request
-from common.utils.common import text_hmac_sha256
 
 IGNORE_CSRF_CHECK = '*' in os.getenv("DOMAINS", "").split(',')
 
@@ -184,6 +183,8 @@ class SafeRedirectMiddleware:
                 return response
             target_host, target_port = self._split_host_port(parsed.netloc)
             origin_host, origin_port = self._split_host_port(request.get_host())
+            if self.check_proxy_origin_verified(request, origin_host):
+                return response
             if target_host != origin_host:
                 safe_redirect_url = '%s?%s' % (reverse('redirect-confirm'), f'next={quote(location)}')
                 return redirect(safe_redirect_url)
@@ -196,6 +197,12 @@ class SafeRedirectMiddleware:
             return host, port
         return netloc, '80'
 
+    def check_proxy_origin_verified(self, request, origin_host):
+        if settings.USE_X_FORWARDED_HOST and ("HTTP_X_FORWARDED_HOST" in request.META):
+            proxy_host, proxy_port = self._split_host_port(request.META["HTTP_X_FORWARDED_HOST"])
+            return proxy_host == origin_host
+        return False
+
 
 class CsrfCheckMiddleware(CsrfViewMiddleware):
     def _origin_verified(self, request):