| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>Async request denied at preflight because of non-CORS-safelisted header</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/get-host-info.sub.js"></script> |
| <script src="/common/utils.js"></script> |
| </head> |
| <body> |
| <script type="text/javascript"> |
| const uuid = token(); |
| const url = get_host_info().HTTP_REMOTE_ORIGIN + |
| "/xhr/resources/access-control-preflight-denied.py?token=" + uuid; |
| |
| async_test((test) => { |
| let xhr = new XMLHttpRequest; |
| xhr.open("GET", url + "&command=reset", false); |
| xhr.send(); |
| |
| xhr = new XMLHttpRequest; |
| xhr.open("GET", url + "&command=header", true); |
| xhr.setRequestHeader("x-test", "foo"); |
| |
| xhr.onload = test.unreached_func( |
| "Cross-domain access with custom header allowed without throwing exception"); |
| |
| xhr.onerror = test.step_func_done(() => { |
| xhr = new XMLHttpRequest; |
| xhr.open("GET", url + "&command=complete", false); |
| xhr.send(); |
| assert_equals(xhr.responseText, "Request successfully blocked."); |
| }); |
| |
| xhr.send(); |
| }, "Async request denied at preflight"); |
| </script> |
| </body> |
| </html> |
