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Bug 1961913 [wpt PR 52063] - [Language Detector] Integrate Permissions Policy, a=testonly
Automatic update from web-platform-tests [Language Detector] Integrate Permissions Policy Updates the Language Detector API from being accessed from third-party iframes, unless there is a permission policy being delefated from the top-level Window. Spec: webmachinelearning/translation-api#45 Bug: 402166942 Change-Id: Ifbdabc3c8ee1098530dfabddb0d0c157aa40beb2 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6468598 Reviewed-by: Nathan Memmott <[email protected]> Commit-Queue: Christine Hollingsworth <[email protected]> Cr-Commit-Position: refs/heads/main@{#1448992} -- wpt-commits: 1116c83c92f39142ab033fa3e13df2e8f1e435b0 wpt-pr: 52063
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‎testing/web-platform/tests/ai/language_detection/detector-iframe.tentative.https.html

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<!DOCTYPE html>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/common/get-host-info.sub.js"></script>
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<body></body>
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<script>
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'use strict';
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const { HTTPS_ORIGIN, HTTPS_NOTSAMESITE_ORIGIN } = get_host_info();
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const PATH = location.pathname.substring(0, location.pathname.lastIndexOf('/') + 1);
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const IFRAME_PATH = PATH + 'resources/iframe-helper.html';
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function run_iframe_test(iframe, test_name) {
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iframe.contentWindow.postMessage({type: test_name}, '*');
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const {promise, resolve, reject} = Promise.withResolvers();
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window.onmessage = message => {
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if (message.data.success) {
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resolve(message.data.success);
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} else {
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reject(message.data.err)
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}
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}
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return promise;
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}
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function load_iframe(src, permission_policy) {
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let iframe = document.createElement('iframe');
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return new Promise((resolve, reject) => {
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iframe.onload = () => {
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resolve(iframe);
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}
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iframe.src = src;
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iframe.allow = permission_policy;
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document.body.appendChild(iframe);
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});
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}
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promise_test(async t => {
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const src = HTTPS_NOTSAMESITE_ORIGIN + IFRAME_PATH;
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const iframe = await load_iframe(src, /*permission_policy=*/"");
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await promise_rejects_dom(t, 'NotAllowedError',
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run_iframe_test(iframe, "LanguageDetectorCreate"));
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}, "Throw a 'NotAllowedError' when creating Language Detector within cross-origin iframe");
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promise_test(async t => {
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const src = HTTPS_NOTSAMESITE_ORIGIN + IFRAME_PATH;
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const iframe = await load_iframe(src, "languageDetector");
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assert_equals(
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await run_iframe_test(iframe, "LanguageDetectorCreate"), 'Success');
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}, "Language Detector can be created within cross-origin iframe with permission policy");
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promise_test(async t => {
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const src = HTTPS_ORIGIN + IFRAME_PATH;
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const iframe = await load_iframe(src, /*permission_policy=*/"");
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assert_equals(
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await run_iframe_test(iframe, "LanguageDetectorCreate"), 'Success');
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}, "Language Detector can be used within same-origin iframe");
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promise_test(async t => {
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const src = HTTPS_NOTSAMESITE_ORIGIN + IFRAME_PATH;
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const iframe = await load_iframe(src, /*permission_policy=*/"");
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assert_equals(
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await run_iframe_test(iframe, "LanguageDetectorAvailability"), 'unavailable');
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}, "Language Detector is unavailable within cross-origin iframe");
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promise_test(async t => {
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const src = HTTPS_NOTSAMESITE_ORIGIN + IFRAME_PATH;
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const iframe = await load_iframe(src, "languageDetector");
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assert_in_array(
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await run_iframe_test(iframe, "LanguageDetectorAvailability"),
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['downloadable', 'downloading', 'available']);
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}, "Language Detector is available within cross-origin iframe with permission policy");
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promise_test(async t => {
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const src = HTTPS_ORIGIN + IFRAME_PATH;
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const iframe = await load_iframe(src, /*permission_policy=*/"");
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assert_in_array(
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await run_iframe_test(iframe, "LanguageDetectorAvailability"),
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['downloadable', 'downloading', 'available']);
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}, "LanguageDetector is available within same-origin iframe");
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</script>

‎testing/web-platform/tests/ai/language_detection/resources/iframe-helper.html

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<!DOCTYPE HTML>
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<meta charset="utf-8">
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<script>
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window.onmessage = async message => {
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switch (message.data.type) {
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case 'LanguageDetectorCreate':
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LanguageDetector.create()
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.then(t => parent.postMessage({success: 'Success'}))
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.catch(err => parent.postMessage({err}));
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break;
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case 'LanguageDetectorAvailability':
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LanguageDetector.availability()
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.then(t => parent.postMessage({success: availability}))
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.catch(err => parent.postMessage({err}));
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break;
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};
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};
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</script>

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