acreskeyMoz
aa0f14678b
The IsFromCache branch in nsPrefetchNode::OnStartRequest forced the load event unconditionally, overriding the tainting-based decision. Only force it when the channel status is success, so a failed CORS check still fires error. Differential Revision: https://phabricator.services.mozilla.com/D309369
124 lines
5.6 KiB
HTML
124 lines
5.6 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=1268962
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-->
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<head>
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<title>Test for Bug 1268962</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1268962">Mozilla Bug 1268962</a>
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<p id="display"></p>
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<div id="content" style="display: none"></div>
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<script class="testbody" type="text/javascript">
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/** Test for Bug 1268962 */
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function testPrefetchEvent(url, crossorigin, expectLoad) {
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return new Promise((resolve) => {
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var link = document.createElement("LINK");
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link.setAttribute("rel", "prefetch");
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link.setAttribute("href", url);
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if (crossorigin) {
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link.setAttribute("crossorigin", "");
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}
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link.addEventListener("load", () => {
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ok(expectLoad, "not expecting load event for " + url);
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link.remove();
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resolve();
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});
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link.addEventListener("error", () => {
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ok(!expectLoad, "not expecting error event for " + url);
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link.remove();
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resolve();
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});
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document.head.appendChild(link);
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});
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}
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function testCancelPrefetchNotCrash(url) {
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var ios = SpecialPowers.Cc["@mozilla.org/network/io-service;1"].
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getService(SpecialPowers.Ci.nsIIOService);
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var prefetch = SpecialPowers.Cc["@mozilla.org/prefetch-service;1"].
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getService(SpecialPowers.Ci.nsIPrefetchService);
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var link = document.createElement("LINK");
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link.setAttribute("rel", "prefetch");
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link.setAttribute("href", url);
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document.head.appendChild(link);
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// Not actually verifying any value, just to ensure cancelPrefetchPreload
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// won't cause crash.
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prefetch.cancelPrefetchPreloadURI(ios.newURI(url), link);
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}
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let gCacheBuster = 0;
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// A CORS-mode prefetch served from cache whose CORS check fails must fire error,
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// not load. The first prefetch caches the 200 response (the CORS failure does
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// not doom the entry); the second is served from that cache entry.
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async function testCachedCorsFailureFiresError() {
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const id = gCacheBuster++;
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const url = CROSS_ORIGIN + "?statusCode=200&cacheControl=max-age%3D120" +
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"&cachedCors=" + id;
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await testPrefetchEvent(url, true, false);
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await testPrefetchEvent(url, true, false);
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const count = await fetch(CROSS_ORIGIN + "?getCount=" + id).then(r => r.text());
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is(count, "1", "second prefetch should be served from cache, not refetched");
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}
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const SJS_PATH = window.location.pathname.replace(/[^/]+$/, "file_bug1268962.sjs");
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const SAME_ORIGIN = "http://mochi.test:8888" + SJS_PATH;
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const CROSS_ORIGIN = "http://example.com" + SJS_PATH;
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SimpleTest.waitForExplicitFinish();
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SpecialPowers.pushPrefEnv({"set": [["network.prefetch-next.aggressive", true]]})
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// test same origin
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.then(() => testPrefetchEvent(SAME_ORIGIN + "?statusCode=200&cacheControl=no-cache", false, false))
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.then(() => testPrefetchEvent(SAME_ORIGIN + "?statusCode=404&cacheControl=no-cache", false, false))
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.then(() => testPrefetchEvent(SAME_ORIGIN + "?statusCode=200&cacheControl=max-age%3D120", false, true))
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.then(() => testPrefetchEvent(SAME_ORIGIN + "?statusCode=404&cacheControl=max-age%3D120", false, false))
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// test cross origin without CORS
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.then(() => testPrefetchEvent(CROSS_ORIGIN + "?statusCode=200&cacheControl=no-cache", false, true))
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.then(() => testPrefetchEvent(CROSS_ORIGIN + "?statusCode=404&cacheControl=no-cache", false, true))
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.then(() => testPrefetchEvent(CROSS_ORIGIN + "?statusCode=200&cacheControl=max-age%3D120", false, true))
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.then(() => testPrefetchEvent(CROSS_ORIGIN + "?statusCode=404&cacheControl=max-age%3D120", false, true))
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// test cross origin by redirection without CORS
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.then(() => testPrefetchEvent(SAME_ORIGIN + "?redirect=crossorigin&statusCode=200&cacheControl=no-cache", false, true))
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.then(() => testPrefetchEvent(SAME_ORIGIN + "?redirect=crossorigin&statusCode=404&cacheControl=no-cache", false, true))
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.then(() => testPrefetchEvent(SAME_ORIGIN + "?redirect=crossorigin&statusCode=200&cacheControl=max-age%3D120", false, true))
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.then(() => testPrefetchEvent(SAME_ORIGIN + "?redirect=crossorigin&statusCode=404&cacheControl=max-age%3D120", false, true))
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// test cross origin with CORS request but no CORS response: the CORS check
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// fails, which is a network error, so the error event fires
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.then(() => testPrefetchEvent(CROSS_ORIGIN + "?statusCode=200&cacheControl=no-cache", true, false))
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.then(() => testPrefetchEvent(CROSS_ORIGIN + "?statusCode=404&cacheControl=no-cache", true, false))
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.then(() => testPrefetchEvent(CROSS_ORIGIN + "?statusCode=200&cacheControl=max-age%3D120", true, false))
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.then(() => testPrefetchEvent(CROSS_ORIGIN + "?statusCode=404&cacheControl=max-age%3D120", true, false))
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// test cross origin with CORS request and CORS response
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.then(() => testPrefetchEvent(CROSS_ORIGIN + "?statusCode=200&cacheControl=no-cache&allowOrigin=*", true, false))
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.then(() => testPrefetchEvent(CROSS_ORIGIN + "?statusCode=404&cacheControl=no-cache&allowOrigin=*", true, false))
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.then(() => testPrefetchEvent(CROSS_ORIGIN + "?statusCode=200&cacheControl=max-age%3D120&allowOrigin=*", true, true))
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.then(() => testPrefetchEvent(CROSS_ORIGIN + "?statusCode=404&cacheControl=max-age%3D120&allowOrigin=*", true, false))
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// test that a cached CORS-mode failure fires error, not load
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.then(() => testCachedCorsFailureFiresError())
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// test the crash issue: https://bugzilla.mozilla.org/show_bug.cgi?id=1294159
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.then(() => testCancelPrefetchNotCrash(SAME_ORIGIN + "?statusCode=200&cacheControl=max-age%3D120"))
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.catch((err) => ok(false, "promise rejected: " + err))
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.then(() => SimpleTest.finish());
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</script>
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</body>
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</html>
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