Removed the size restriction in the next URI utilities. Buffer overflow may happen with any parameter, not only the "next" parameter. It should be solved in uWSGI, but not the application.

tests/test_utils.py

@@ -140,21 +140,6 @@ class NextUriTestCase(unittest.TestCase):
                                      "next": next_uri})
         self.assertEqual(response.status_code, 200)
 
-        # An extremely-long URI to trigger the error
-        next_uri = "/" + "x" * 1024
-        expected2 = next_uri[:512]
-        expected1 = f"{self.TARGET}?next={quote_plus(expected2)}"
-        response = client.get(f"/test-invalid-next?next={quote_plus(next_uri)}"
-                              f"&inherit-expected={quote_plus(expected1)}"
-                              f"&or-expected={quote_plus(expected2)}")
-        self.assertEqual(response.status_code, 200)
-        response = client.post("/test-invalid-next"
-                               f"?inherit-expected={quote_plus(expected1)}"
-                               f"&or-expected={quote_plus(expected2)}",
-                               data={"csrf_token": csrf_token,
-                                     "next": next_uri})
-        self.assertEqual(response.status_code, 200)
-
 
 class QueryKeywordParserTestCase(unittest.TestCase):
     """The test case for the query keyword parser."""