File: eval-blocked-in-about-blank-iframe.html

package info (click to toggle)
firefox-esr 115.15.0esr-1~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 3,659,216 kB
  • sloc: cpp: 6,676,686; javascript: 5,690,965; ansic: 3,328,546; python: 1,120,594; asm: 397,163; xml: 180,531; java: 178,838; sh: 68,930; makefile: 20,999; perl: 12,595; objc: 12,561; yacc: 4,583; cs: 3,846; pascal: 2,840; lex: 1,720; ruby: 1,079; exp: 762; php: 436; lisp: 258; awk: 247; sql: 66; sed: 54; csh: 10
file content (61 lines) | stat: -rw-r--r-- 1,595 bytes parent folder | download | duplicates (6)
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
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
<!DOCTYPE html>
<html>

<head>
  <meta http-equiv="Content-Security-Policy"
        content="script-src 'self' 'unsafe-inline';">
  <script src="/resources/testharness.js"></script>
  <script src="/resources/testharnessreport.js"></script>
</head>

<body>

<p>
  Eval should be blocked in the iframe, but inline script should be allowed.
</p>

<script>
  promise_test(async t => {
    const document_loaded = new Promise(resolve => window.onload = resolve);
    await document_loaded;

    const eval_error = new Promise(resolve => {
      window.addEventListener('message', function(e) {
        assert_not_equals(e.data, 'FAIL', 'eval was executed in the frame');
        if (e.data === 'PASS')
          resolve();
      });
    });
    const csp_violation_report = new Promise(resolve => {
      window.addEventListener('message', function(e) {
        if (e.data["violated-directive"]) {
          assert_equals(e.data["violated-directive"], "script-src");
          resolve();
        }
      });
    });

    frames[0].document.write(`
      <script>
        window.addEventListener('securitypolicyviolation', function(e) {
          parent.postMessage({ 'violated-directive': e.violatedDirective });
        });
        try {
          eval('parent.postMessage(\"FAIL\", \"*\");');
        } catch (e) {
          if (e instanceof EvalError)
            parent.postMessage(\"PASS\", \"*\");
        }
      </sc` + `ript>`
    );
    frames[0].document.close();

    await eval_error;
    await csp_violation_report;
  });
</script>
<iframe src="about:blank"></iframe>

</body>

</html>