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[shared storage] Support cross-origin worklet
For the sharedStorage.createWorklet() API, relax the same-origin restriction to allow cross-origin script, in which case a cross-origin worklet will be created. How: - Rely on CORS for the worklet to be loaded/used by the embedder. - Leverage the existing process allocation and management logic from service workers and directly re-use SiteInstanceImpl::CreateForServiceWorker(). To keep this CL focused, renaming will occur in a separate CL, as it will involve renaming other downstream components like 'UnmatchedServiceWorkerProcessTracker'. Explainer: WICG/shared-storage#130 Spec: WICG/shared-storage#131 Design doc: https://docs.google.com/document/d/1QTaaroCMeFVZVghI6JkUcDvmDQEacjvpyTfk6mpvQhA/edit?usp=sharing Bug: 325302836 Change-Id: I11c1fc87bc76f4400c54d9fa809349d1d1781247
1 parent 616d362 commit 01f734f

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‎shared-storage/cross-origin-create-worklet-credentials-include.tentative.https.sub.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/utils.js"></script>
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<script src="/shared-storage/resources/util.js"></script>
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<script src="/fenced-frame/resources/utils.js"></script>
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<body>
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<script>
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'use strict';
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promise_test(async () => {
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const ancestor_key = token();
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document.cookie = "key0=value0";
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const crossOrigin = 'https://{{domains[www]}}:{{ports[https][0]}}';
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const helper_url = crossOrigin +
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`/shared-storage/resources/credentials-test-helper.py` +
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`?access_control_allow_origin_header=${window.origin}` +
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`&access_control_allow_credentials_header=true` +
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`&token=${ancestor_key}`;
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const worklet = await sharedStorage.createWorklet(
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helper_url + `&action=store-cookie`,
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{ credentials: "include" });
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const request_cookie_fetch_response =
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await fetch(helper_url + `&action=get-cookie`);
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const request_cookie_text = await request_cookie_fetch_response.text();
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assert_equals(request_cookie_text, "NO_COOKIE_HEADER");
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}, 'createWorklet() with cross-origin module script and credentials "include"');
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</script>
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</body>

‎shared-storage/cross-origin-create-worklet-credentials-omit.tentative.https.sub.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/utils.js"></script>
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<script src="/shared-storage/resources/util.js"></script>
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<script src="/fenced-frame/resources/utils.js"></script>
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<body>
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<script>
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'use strict';
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promise_test(async () => {
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const ancestor_key = token();
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document.cookie = "key0=value0";
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const crossOrigin = 'https://{{domains[www]}}:{{ports[https][0]}}';
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const helper_url = crossOrigin +
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`/shared-storage/resources/credentials-test-helper.py` +
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`?access_control_allow_origin_header=${window.origin}` +
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`&token=${ancestor_key}`;
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const worklet = await sharedStorage.createWorklet(
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helper_url + `&action=store-cookie`,
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{ credentials: "omit" });
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const request_cookie_fetch_response =
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await fetch(helper_url + `&action=get-cookie`);
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const request_cookie_text = await request_cookie_fetch_response.text();
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assert_equals(request_cookie_text, "NO_COOKIE_HEADER");
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}, 'createWorklet() with cross-origin module script and credentials "omit"');
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</script>
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</body>

‎shared-storage/cross-origin-create-worklet-credentials-same-origin.tentative.https.sub.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/utils.js"></script>
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<script src="/shared-storage/resources/util.js"></script>
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<script src="/fenced-frame/resources/utils.js"></script>
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<body>
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<script>
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'use strict';
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promise_test(async () => {
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const ancestor_key = token();
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document.cookie = "key0=value0";
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const crossOrigin = 'https://{{domains[www]}}:{{ports[https][0]}}';
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const helper_url = crossOrigin +
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`/shared-storage/resources/credentials-test-helper.py` +
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`?access_control_allow_origin_header=${window.origin}` +
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`&token=${ancestor_key}`;
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const worklet = await sharedStorage.createWorklet(
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helper_url + `&action=store-cookie`,
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{ credentials: "same-origin" });
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const request_cookie_fetch_response =
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await fetch(helper_url + `&action=get-cookie`);
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const request_cookie_text = await request_cookie_fetch_response.text();
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assert_equals(request_cookie_text, "NO_COOKIE_HEADER");
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}, 'createWorklet() with cross-origin module script and credentials "same-origin"');
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</script>
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</body>

‎shared-storage/cross-origin-create-worklet-failure-missing-access-control-allow-credentials.tentative.https.sub.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/utils.js"></script>
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<script src="/shared-storage/resources/util.js"></script>
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<script src="/fenced-frame/resources/utils.js"></script>
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<body>
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<script>
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'use strict';
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promise_test(async t => {
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const ancestor_key = token();
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const crossOrigin = 'https://{{domains[www]}}:{{ports[https][0]}}';
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const helper_url = crossOrigin +
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`/shared-storage/resources/credentials-test-helper.py` +
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`?access_control_allow_origin_header=${window.origin}` +
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`&token=${ancestor_key}`;
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return promise_rejects_dom(t, "OperationError",
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sharedStorage.createWorklet(
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helper_url + `&action=store-cookie`,
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{ credentials: "include" }));
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}, 'createWorklet() with cross-origin module script and credentials ' +
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'"include", and without the Access-Control-Allow-Credentials response ' +
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'header');
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</script>
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</body>

‎shared-storage/cross-origin-create-worklet-failure-missing-access-control-allow-origin.tentative.https.sub.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/utils.js"></script>
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<script src="/shared-storage/resources/util.js"></script>
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<script src="/fenced-frame/resources/utils.js"></script>
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<body>
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<script>
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'use strict';
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promise_test(async t => {
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const ancestor_key = token();
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const crossOrigin = 'https://{{domains[www]}}:{{ports[https][0]}}';
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const helper_url = crossOrigin +
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`/shared-storage/resources/credentials-test-helper.py` +
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`&access_control_allow_credentials_header=true` +
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`&token=${ancestor_key}`;
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return promise_rejects_dom(t, "OperationError",
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sharedStorage.createWorklet(
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helper_url + `&action=store-cookie`,
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{ credentials: "include" }));
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}, 'createWorklet() with cross-origin module script and credentials ' +
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'"include", and without the Access-Control-Allow-Origin response header');
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</script>
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</body>

‎shared-storage/resources/credentials-test-helper.py

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@@ -13,6 +13,12 @@ def main(request, response):
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response.status = 200
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response.headers.append(b"Content-Type", b"text/javascript")
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if b"access_control_allow_credentials_header" in request.GET:
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response.headers.append(b"Access-Control-Allow-Credentials", request.GET[b"access_control_allow_credentials_header"])
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if b"access_control_allow_origin_header" in request.GET:
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response.headers.append(b"Access-Control-Allow-Origin", request.GET[b"access_control_allow_origin_header"])
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if action == b"store-cookie":
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cookie = request.headers.get(b"Cookie", b"NO_COOKIE_HEADER")
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request.server.stash.put(token, cookie)

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