File: iframe-loading-lazy-nav-location-replace-cross-origin.html

package info (click to toggle)
thunderbird 1%3A143.0.1-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 4,703,968 kB
  • sloc: cpp: 7,770,492; javascript: 5,943,842; ansic: 3,918,754; python: 1,418,263; xml: 653,354; asm: 474,045; java: 183,079; sh: 111,238; makefile: 20,410; perl: 14,359; objc: 13,059; yacc: 4,583; pascal: 3,405; lex: 1,720; ruby: 999; exp: 762; sql: 715; awk: 580; php: 436; lisp: 430; sed: 69; csh: 10
file content (35 lines) | stat: -rw-r--r-- 1,263 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
<!DOCTYPE html>
<title>Navigating to a cross-origin for iframe loading='lazy' before it is loaded: location.replace</title>
<script src="/common/get-host-info.sub.js"></script>
<iframe src="support/blank.htm?src" loading="lazy" hidden></iframe>
<script>
const iframe = document.querySelector('iframe');
iframe.setAttribute(
  "data-src",
  `${get_host_info().HTTP_NOTSAMESITE_ORIGIN}/html/semantics/embedded-content/the-iframe-element/support/blank.htm?nav`
);

const iframeLoaded = new Promise(resolve => {
  iframe.onload = resolve;
});
iframe.contentWindow.location.replace(iframe.dataset.src);
iframe.hidden = false;
</script>
<!-- Loading testharness.js here is intentional to reproduce a bug in WebKit. -->
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
setup({single_test: true});
iframeLoaded.then(() => {
  // Need a timeout to detect failure when there are two navigations.
  step_timeout(() => {
    assert_throws_dom(
      "SecurityError", // Use the SecurityError to assert this is a cross-origin iframe
      () => {
        iframe.contentWindow.location.href
      },
      "The iframe should load the cross-site url via locaiton.replace");
    done();
  }, 1000);
});
</script>