78 lines
3.2 KiB
HTML
78 lines
3.2 KiB
HTML
<!DOCTYPE html>
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<title>data URL shared workers</title>
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<script src="/common/get-host-info.sub.js"></script>
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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>
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function assert_worker_sends_pass(test_desc, mime_type, worker_code) {
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async_test(function(t) {
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var w = new SharedWorker(`data:${mime_type},onconnect = function(e) { port = e.ports[0]; ${worker_code}}`);
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w.port.onmessage = t.step_func_done(function(e) {
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assert_equals(e.data, 'PASS');
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});
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w.port.postMessage('SEND_PASS');
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}, test_desc);
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}
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function assert_worker_throws(test_desc, worker_code) {
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assert_worker_sends_pass(test_desc, '', `try { ${worker_code}; port.postMessage("FAIL"); } catch (e) { port.postMessage("PASS"); }`);
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}
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// Any MIME type allowed
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assert_worker_sends_pass('application/javascript MIME allowed', 'application/javascript', 'port.postMessage("PASS")');
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assert_worker_sends_pass('text/plain MIME allowed', 'text/plain', 'port.postMessage("PASS")');
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assert_worker_sends_pass('empty MIME allowed', '', 'port.postMessage("PASS")');
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// Communications goes both ways
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assert_worker_sends_pass('communication goes both ways', 'application/javascript', 'port.onmessage = function(e) { port.postMessage("PASS"); }');
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// test access to storage APIs
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// https://w3c.github.io/IndexedDB/#dom-idbfactory-open
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assert_worker_sends_pass('indexedDB is present', '', 'port.postMessage("indexedDB" in self ? "PASS" : "FAIL")');
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assert_worker_throws('indexedDB is inaccessible', 'self.indexedDB.open("someDBName")');
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// Other standardized storage APIs are either not exposed to workers
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// (e.g. window.localStorage, window.sessionStorage), or are [SecureContext]
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// (e.g. self.caches).
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// 'data:' workers are cross-origin
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assert_worker_sends_pass('cross-origin worker', '', 'fetch("/").then(() => port.postMessage("FAIL"), () => port.postMessage("PASS"))');
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// 'data:' workers have opaque origin
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assert_worker_sends_pass('worker has opaque origin', 'application/javascript', 'port.postMessage(self.location.origin == "null" ? "PASS" : "FAIL")');
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function openWindow(url) {
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return new Promise(resolve => {
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const win = window.open(url, '_blank');
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add_completion_callback(() => win.close());
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window.onmessage = e => {
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assert_equals(e.data, 'LOADED');
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resolve(win);
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};
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});
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}
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promise_test(() => {
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const kWindowURL = 'data-url-shared-window.html';
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const kRemoteWindowURL = get_host_info().HTTP_REMOTE_ORIGIN +
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'/workers/data-url-shared-window.html';
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return openWindow(kWindowURL)
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.then(win => {
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const channel = new MessageChannel;
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win.postMessage(channel.port1, '*', [channel.port1]);
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return new Promise(resolve => channel.port2.onmessage = resolve);
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})
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.then(msg_event => {
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assert_equals(msg_event.data, 1);
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return openWindow(kRemoteWindowURL);
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})
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.then(win => {
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const channel = new MessageChannel;
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win.postMessage(channel.port1, '*', [channel.port1]);
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return new Promise(resolve => channel.port2.onmessage = resolve);
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})
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.then(msg_event => assert_equals(msg_event.data, 1));
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}, 'A data: URL shared worker should not be shared among origins.');
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</script>
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